Anesthetic gas purification device
By designing an anesthesia gas purification device containing multiple purification components and high-temperature treatment chambers, the problems of limited adsorption capacity and frequent replacement of traditional activated carbon are solved, and the effect of effectively purifying and extending the service life of activated carbon is achieved.
Patent Information
- Application Number
- CN202411897666.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-03-28
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
In traditional operating rooms, activated carbon is used to adsorb anesthesia gas, but its adsorption capacity is limited and needs to be replaced frequently, which increases the work burden of medical staff.
An anesthetic gas purification device is designed, including a negative pressure pump, a preliminary filtering mechanism, a built-in water tank, a drying box and an adsorption box, and effective purification of anesthetic gas is achieved through multiple purification components. A high-temperature treatment chamber is set up in the adsorption box, and high-temperature treatment is performed using an electric heating box to achieve desorption of the anesthetic gas adsorbed on the activated carbon particles and extend the service life of activated carbon.
This device can effectively purify anesthesia gas, reduce health risks to medical staff, extend the service life of activated carbon, reduce the frequency of replacement, and improve work efficiency.
Smart Images
Figure CN119701557A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of purification equipment, and in particular to an anesthetic gas purification device. Background Art
[0002] In the field of medical surgery, the use of anesthetic gas is an indispensable part of ensuring the smooth progress of the operation. However, with the widespread use of anesthetic drugs, a problem that cannot be ignored has gradually emerged: during the operation, anesthetic gas will inevitably be released into the air of the operating room, resulting in an increase in the concentration of anesthetic gas in the operating room. Although it has a necessary anesthetic effect on patients, it may pose a potential health risk to medical staff who are exposed to such an environment for a long time.
[0003] In traditional operating rooms, air purification equipment is one of the important devices to ensure a clean operating environment. Activated carbon is often used to adsorb anesthetic gases in the air due to its good adsorption properties. However, the adsorption capacity of activated carbon is limited. When the adsorption is saturated, it needs to be replaced. This process is relatively cumbersome and needs to be performed frequently, which increases the workload of medical staff.
[0004] Therefore, the present application proposes an anesthetic gas purification device to solve the above-mentioned problems. Summary of the invention
[0005] The purpose of the present invention is to provide an anesthetic gas purification device to solve the technical problems raised in the background technology.
[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an anesthetic gas purification device, comprising an equipment frame, a control operation panel is arranged on the upper end of the equipment frame, an air suction port is opened on the front side wall of the equipment frame, a negative pressure pump is fixedly connected to the inner wall of the rear side of the equipment frame, a preliminary filtering mechanism is arranged on the front side of the negative pressure pump, a cleaning mechanism is arranged on the front side of the preliminary filtering mechanism, the cleaning mechanism is located on the rear side of the air suction port, a built-in water tank, a drying box and an adsorption box are arranged below the negative pressure pump, the built-in water tank and the drying box are fixedly connected to the inner side wall of the equipment frame, an outlet pipe is fixedly connected to the output end of the negative pressure pump, an end of the outlet pipe away from the negative pressure pump passes through the upper side wall of the built-in water tank, and is close to the lower side of the built-in water tank. The inner wall of the built-in water tank is fixedly connected with a connecting pipe at the upper end, and the end of the connecting pipe away from the built-in water tank is communicated with the drying box, and the connecting pipe is communicated with the built-in water tank. An electric heating wire is arranged on the inner side of the drying box, and an inspection window is arranged on the right side wall of the equipment outer frame. The adsorption box is located on the rear side of the inspection window, and the upper end of the adsorption box is opened. An upper sealing cover is arranged on the upper port of the adsorption box. An air supply pipe is fixedly connected with the upper side wall of the drying box, and the end of the air supply pipe away from the drying box passes through the upper sealing cover and extends to the bottom of the upper sealing cover. An exhaust pipe is fixedly connected to the upper sealing cover, and the end of the exhaust pipe away from the upper sealing cover passes through the side wall of the equipment outer frame and extends to the outside of the equipment outer frame. An auxiliary recovery mechanism is arranged on the outside of the adsorption box.
[0007] Preferably, a high-temperature treatment chamber is provided in the side wall of the adsorption box, and the auxiliary recovery mechanism includes an electric heating box, the output end of the electric heating box is fixedly connected to an air supply pipe, and the input end of the electric heating box is fixedly connected to a return air pipe, and the ends of the return air pipe and the air supply pipe away from the electric heating box both penetrate the side wall of the equipment outer frame and the side wall of the high-temperature treatment chamber, and are connected to the high-temperature treatment chamber, and the connection points of the return air pipe and the air supply pipe with the adsorption box are symmetrically distributed on the front and rear sides of the adsorption box.
[0008] Preferably, a guide baffle is provided on the inner side of the adsorption box, the upper end of the guide baffle is abutted against the lower end of the upper sealing cover, the left and right ends of the guide baffle are respectively fixedly connected to the left and right inner walls of the adsorption box, the guide baffle is located between the gas supply pipe and the exhaust pipe, the lower end of the guide baffle does not contact the lower inner wall of the adsorption box, and activated carbon particles are provided on the inner side of the adsorption box.
[0009] Preferably, a plurality of ventilation pipes are arranged on the inner side of the adsorption box, the ventilation pipes penetrate the guide baffle, and the front and rear ends of the ventilation pipes are respectively fixedly connected to the front and rear inner walls of the adsorption box, and the front and rear side cavities of the high-temperature treatment chamber are connected through the ventilation pipes.
[0010] Preferably, a cleaning pipe is fixedly connected to the air outlet pipe, and one end of the cleaning pipe away from the air outlet pipe passes through the side wall of the drying box and is connected to the drying box. Solenoid valves are provided on the air supply pipe, air outlet pipe, exhaust pipe and cleaning pipe. The solenoid valve on the air outlet pipe is located on the side of the connection between the cleaning pipe and the air outlet pipe close to the built-in water tank.
[0011] Preferably, the preliminary filtering mechanism includes a partition frame and a filter screen, the partition frame is L-shaped, the upper end of the partition frame is fixedly connected to the upper inner wall of the device outer frame, the front end of the partition frame is fixedly connected to the front inner wall of the device outer frame, the left and right ends of the partition frame are respectively fixedly connected to the left and right inner walls of the device outer frame, the partition frame is located at the rear side of the air suction port, the input end of the negative pressure pump is fixedly connected with an air suction pipe, the end of the air suction pipe away from the negative pressure pump passes through the rear wall of the partition frame and extends to the front side of the partition frame, the left end of the filter screen passes through the right side wall of the device outer frame and extends into the device outer frame, the upper end of the filter screen is slidably connected to the upper inner wall of the device outer frame by a limiting slide groove, the lower end of the filter screen is slidably connected to the lower inner wall of the partition frame by a limiting slide groove, and the filter screen is located at the rear side of the cleaning mechanism.
[0012] Preferably, the cleaning mechanism comprises a lifting motor, a lifting screw rod, a limiting slide rod and a cleaning roller, a cleaning brush is arranged on the side wall of the cleaning roller, the lifting motor is fixed to the lower end of the dividing frame, the output end of the lifting motor passes through the lower side wall of the dividing frame and is fixedly connected to the lower end of the lifting screw rod, the upper end of the lifting screw rod is rotatably connected to the upper inner wall of the equipment outer frame, the upper and lower ends of the limiting slide rod are respectively fixedly connected to the upper inner wall of the equipment outer frame and the lower inner wall of the dividing frame, the cleaning roller is located between the lifting screw rod and the limiting slide rod, the lifting screw rod is threadedly connected with a lifting block 1, and the limiting slide rod is slidably connected to There is a lifting block 2, the right end of the cleaning roller is rotatably connected to the left end of the lifting block 2, the left end of the cleaning roller is fixedly connected to a rotating rod, the left end of the rotating rod is rotatably connected to the right end of the lifting block 1, the rotating rod is fixedly connected to a driving gear, the outer side wall of the lifting block 1 is fixedly connected to an auxiliary frame, the right end of the auxiliary frame is rotatably connected to a driving gear, the driving gear is meshed with the driving gear, an auxiliary tooth plate is provided on the outside of the driving gear, the upper and lower ends of the auxiliary tooth plate are respectively fixedly connected to the upper inner wall of the equipment outer frame and the lower inner wall of the dividing frame, and the driving gear is meshed with the auxiliary tooth plate.
[0013] Preferably, the outer side wall of the device outer frame is provided with a collecting box and a dust pump, the input end of the dust pump is connected with the collecting box, the lower side wall of the partition frame is provided with a dust suction port, the lower end of the partition frame is fixedly connected with a dust suction frame, the dust suction port is connected with the dust suction frame, the collecting box is connected with a dust suction pipe, the end of the dust suction pipe away from the collecting box passes through the side walls of the device outer frame and the dust suction frame, and is connected with the dust suction frame.
[0014] Preferably, a filter plate is provided inside the built-in water tank, the outer end of the filter plate abuts against the upper inner wall of the built-in water tank, and the lower end of the air outlet pipe penetrates the filter plate and extends to the bottom of the filter plate.
[0015] Compared with the related art, the anesthetic gas purification device provided by the present invention has the following beneficial effects:
[0016] 1. The present invention provides an anesthetic gas purification device. Through multiple purification components such as a negative pressure pump, a preliminary filtering mechanism, a built-in water tank, a drying box and an adsorption box, the device can effectively purify and treat anesthetic gas. The negative pressure pump sucks the anesthetic gas from the air suction port, and after preliminary filtration, it is deeply purified through the built-in water tank, the drying box and the adsorption box in turn to ensure that the discharged gas meets the safety standards. A high-temperature treatment chamber is provided on the inner wall of the adsorption box, and the high-temperature treatment chamber is connected to the electric heating box through an air supply pipe and a return pipe. After the adsorption of anesthetic gas is completed by using the activated carbon particles in the adsorption box, the device is moved to a designated location, and high-temperature gas is introduced into the high-temperature treatment chamber of the electric heating box, and the activated carbon particles in the adsorption box are subjected to high-temperature treatment by using the high-temperature gas, so that the anesthetic gas adsorbed on the activated carbon can be desorbed from the activated carbon, so that the device can continue to be used without frequent replacement of the activated carbon; wherein the ventilation pipe in the adsorption box ensures that each position of the activated carbon in the adsorption box is heated evenly, thereby ensuring the treatment effect. A cleaning tube is also provided on the air outlet pipe in the device. During the desorption operation, the solenoid valve on the cleaning tube is opened, the solenoid valve on the air outlet pipe is closed, and the negative pressure pump is used to introduce dry gas into the adsorption box to further ensure that the desorbed anesthetic gas can be discharged smoothly.
[0017] 2. The present invention provides an anesthetic gas purification device. In the device, a cleaning mechanism is arranged at the front side of the preliminary treatment mechanism. A filter is arranged in the preliminary treatment mechanism. The filter is used to achieve preliminary treatment of the air to prevent large particles of impurities from entering the interior of the device. A cleaning roller is arranged in the cleaning mechanism. While the cleaning roller is driven up and down by a lifting motor and a lifting screw, the driving gear cooperates with the auxiliary tooth plate to realize the rotation of the driving gear. The driving gear cooperates with the driving gear to realize the rotation of the driving gear and the cleaning roller. The filter is cleaned by a cleaning brush on the surface of the cleaning roller. The cleaned dust enters the collection box from the dust suction port, the dust suction frame and the dust suction pipe under the action of the dust suction pump for collection. The device does not need to manually replace the filter repeatedly, and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;
[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the present invention from another angle;
[0020] Figure 3 It is another perspective schematic diagram of the three-dimensional structure of the present invention;
[0021] Figure 4 It is a schematic diagram of a cross-sectional three-dimensional structure of the present invention;
[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the adsorption box position of the present invention;
[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the adsorption box position section of the present invention;
[0024] Figure 7 It is a partial exploded schematic diagram of the position of the adsorption box of the present invention;
[0025] Figure 8 It is a schematic diagram of the cross-sectional structure of the adsorption box of the present invention;
[0026] Fig. 9 It is a schematic diagram of the local structure of the air extraction port position of the present invention;
[0027] Fig.10 This is a schematic diagram showing the structure of the rear side of the split frame of the present invention;
[0028] Fig.11 A schematic diagram showing the cleaning mechanism of the present invention;
[0029] Fig.12 for Fig.11 A partial enlarged view of point A in the middle.
[0030] In the figure: 1. Equipment frame; 2. Air extraction port; 3. Diverter plate; 4. Control panel; 5. Negative pressure pump; 6. Air extraction pipe; 7. Preliminary filtering mechanism; 8. Cleaning mechanism; 9. Air outlet pipe; 10. Built-in water tank; 11. Filter plate; 12. Connecting pipe; 13. Drying box; 14. Electric heating wire; 15. Air pipe; 16. Adsorption box; 17. Upper sealing cover; 18. Exhaust pipe; 19. Electric heating box; 20. Air supply pipe; 21. Air return pipe; 22. Guide baffle; 23. Ventilation pipe ; 24. High temperature treatment chamber; 25. Cleaning pipe; 26. Inspection window; 27. Partition frame; 28. Filter; 29. Dust port; 30. Dust frame; 31. Dust pipe; 32. Collection box; 33. Dust pump; 34. Lifting screw; 35. Limiting slide bar; 36. Auxiliary gear plate; 37. Lifting block one; 38. Cleaning roller; 39. Lifting block two; 40. Rotating rod; 41. Driving gear; 42. Auxiliary frame; 43. Active gear; 44. Cleaning brush; 45. Lifting motor. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0032] See also Figure 1-8The present invention provides a technical solution: an anesthetic gas purification device, comprising an equipment frame 1, a control operation panel 4 is arranged at the upper end of the equipment frame 1, an air suction port 2 is opened on the front side wall of the equipment frame 1, and a plurality of diverter plates 3 are arranged inside the air suction port 2, and the diverter plates 3 are used to facilitate the diversion of the drawn gas to ensure the full utilization of the filter 28, a negative pressure pump 5 is fixedly connected to the inner wall of the rear side of the equipment frame 1, a preliminary filtering mechanism 7 is arranged on the front side of the negative pressure pump 5, a cleaning mechanism 8 is arranged on the front side of the preliminary filtering mechanism 7, and the cleaning mechanism 8 is located at the rear side of the air suction port 2, and a built-in water tank 10, a drying box 13 and an adsorption box 16 are arranged below the negative pressure pump 5, and the built-in water tank 10 The drying box 13 is fixedly connected to the inner wall of the equipment outer frame 1, the output end of the negative pressure pump 5 is fixedly connected to the air outlet pipe 9, the end of the air outlet pipe 9 away from the negative pressure pump 5 passes through the upper side wall of the built-in water tank 10 and is close to the lower inner wall of the built-in water tank 10, the upper end of the built-in water tank 10 is fixedly connected to the connecting pipe 12, the end of the connecting pipe 12 away from the built-in water tank 10 is connected to the drying box 13, the connecting pipe 12 is connected to the built-in water tank 10, an electric heating wire 14 is arranged on the inner side of the drying box 13, the right side wall of the equipment outer frame 1 is provided with an inspection window 26, the adsorption box 16 is located at the rear side of the inspection window 26, the upper end of the adsorption box 16 is opened, and the upper port of the adsorption box 16 is provided with an upper sealing cover 17, and the drying box 13 is provided with an electric heating wire 14. An air supply pipe 15 is fixedly connected to the upper side wall of the drying box 13. The end of the air supply pipe 15 away from the drying box 13 passes through the upper sealing cover 17 and extends to the bottom of the upper sealing cover 17. An exhaust pipe 18 is fixedly connected to the upper sealing cover 17. The end of the exhaust pipe 18 away from the upper sealing cover 17 passes through the side wall of the equipment outer frame 1 and extends to the outside of the equipment outer frame 1. An auxiliary recovery mechanism is arranged on the outside of the adsorption box 16. When in use, the device is moved to a specified position, and the adsorption function of the device is turned on by controlling the operation panel 4. At this time, the negative pressure pump 5 provides negative pressure to the suction pipe 6, and then the gas in the operating room is sucked into the device through the suction port 2. The gas is preliminarily filtered through the filter screen 28 and passes through the negative pressure pump 5 from The air outlet pipe 9 is introduced into the built-in water tank 10, fully reacts with the water in the built-in water tank 10, further filters the impurities therein, and dissolves part of the anesthetic gas in the water. The treated gas is introduced into the drying box 13 through the connecting pipe 12, and the gas is dried by the electric heating wire 14. The dried gas enters the adsorption box 16 through the air supply pipe 15. The gas is introduced from the rear side of the guide baffle 22 and passes through the activated carbon particles on the rear side of the guide baffle 22, and enters the activated carbon particles on the front side of the guide baffle 22 from the lower end of the guide baffle 22, and is finally discharged from the exhaust pipe 18, thereby adsorbing the anesthetic gas diffused in the operating room to avoid affecting the medical staff;
[0033] A filter plate 11 is provided inside the built-in water tank 10, and the outer end of the filter plate 11 abuts against the upper inner wall of the built-in water tank 10. The lower end of the air outlet pipe 9 passes through the filter plate 11 and extends to the bottom of the filter plate 11. The filter plate 11 is used to filter impurities filtered after the gas contacts the water.
[0034] A high-temperature treatment chamber 24 is provided in the side wall of the adsorption box 16, and the auxiliary recovery mechanism includes an electric heating box 19, the output end of the electric heating box 19 is fixedly connected to an air supply pipe 20, and the input end of the electric heating box 19 is fixedly connected to a return air pipe 21, and the return air pipe 21 and the end of the air supply pipe 20 away from the electric heating box 19 both penetrate the side wall of the equipment outer frame 1 and the side wall of the high-temperature treatment chamber 24, and are connected to the high-temperature treatment chamber 24, and the connection points of the return air pipe 21 and the air supply pipe 20 with the adsorption box 16 are symmetrically distributed on the front and rear sides of the adsorption box 16, and high-temperature gas is introduced into the high-temperature treatment chamber 24 of the electric heating box 19, and the high-temperature gas is used to perform high-temperature treatment on the activated carbon particles in the adsorption box 16, so that the anesthetic gas adsorbed on the activated carbon can be desorbed from the activated carbon, so that the device can continue to be used without frequent replacement of activated carbon;
[0035] A guide baffle 22 is provided inside the adsorption box 16, the upper end of the guide baffle 22 abuts against the lower end of the upper sealing cover 17, and the left and right ends of the guide baffle 22 are respectively fixedly connected to the left and right inner walls of the adsorption box 16, and the guide baffle 22 is located between the gas delivery pipe 15 and the exhaust pipe 18, and the lower end of the guide baffle 22 does not contact the lower inner wall of the adsorption box 16. Activated carbon particles are provided inside the adsorption box 16, and the guide baffle 22 is used to separate the adsorption particles of the adsorption box 16 and limit the direction of the gas, thereby extending the contact time between the gas and the adsorption particles and improving the adsorption effect;
[0036] A plurality of ventilation pipes 23 are arranged inside the adsorption box 16. The ventilation pipes 23 penetrate the guide baffle 22, and the front and rear ends of the ventilation pipes 23 are respectively fixedly connected to the front and rear inner walls of the adsorption box 16. The front and rear cavities of the high-temperature treatment chamber 24 are connected through the ventilation pipes 23. The ventilation pipes 23 are used to ensure that each position of the activated carbon in the adsorption box 16 is heated evenly, thereby ensuring the treatment effect.
[0037] A cleaning pipe 25 is fixedly connected to the air outlet pipe 9. One end of the cleaning pipe 25 away from the air outlet pipe 9 passes through the side wall of the drying box 13 and is connected to the drying box 13. Solenoid valves are provided on the air supply pipe 15, the air outlet pipe 9, the exhaust pipe 18 and the cleaning pipe 25. The solenoid valve on the air outlet pipe 9 is located on the side of the connection between the cleaning pipe 25 and the air outlet pipe 9 close to the built-in water tank 10. During adsorption, the solenoid valve of the air outlet pipe 9 is opened and the solenoid valve of the cleaning pipe 25 is closed; when the activated carbon particles are restored to activity, the solenoid valve of the air outlet pipe 9 is closed, the solenoid valve of the cleaning pipe 25 is opened, and the negative pressure pump 5 is used to introduce dry gas into the adsorption box 16 to further ensure that the desorbed anesthetic gas can be discharged smoothly.
[0038] See also Figure 9-12 As shown, the present invention provides a technical solution: the preliminary filtering mechanism 7 includes a partition frame 27 and a filter screen 28, the partition frame 27 is L-shaped, the upper end of the partition frame 27 is fixedly connected to the upper inner wall of the device outer frame 1, the front end of the partition frame 27 is fixedly connected to the front inner wall of the device outer frame 1, the left and right ends of the partition frame 27 are respectively fixedly connected to the left and right inner walls of the device outer frame 1, the partition frame 27 is located at the rear side of the air suction port 2, the input end of the negative pressure pump 5 is fixedly connected with an air suction pipe 6, the end of the air suction pipe 6 away from the negative pressure pump 5 passes through the rear wall of the partition frame 27, and extends to the front side of the partition frame 27, the left end of the filter screen 28 passes through the right side wall of the device outer frame 1, and extends into the device outer frame 1, the upper end of the filter screen 28 is slidably connected to the upper inner wall of the device outer frame 1 through a limiting slide groove, the lower end of the filter screen 28 is slidably connected to the lower inner wall of the partition frame 27 through a limiting slide groove, and the filter screen 28 is located at the rear side of the cleaning mechanism 8;
[0039] The cleaning mechanism 8 includes a lifting motor 45, a lifting screw rod 34, a limit slide rod 35 and a cleaning roller 38. A cleaning brush 44 is arranged on the side wall of the cleaning roller 38. The lifting motor 45 is fixed to the lower end of the dividing frame 27. The output end of the lifting motor 45 passes through the lower side wall of the dividing frame 27 and is fixedly connected to the lower end of the lifting screw rod 34. The upper end of the lifting screw rod 34 is rotatably connected to the upper inner wall of the device outer frame 1. The upper and lower ends of the limit slide rod 35 are respectively connected to the upper inner wall and the lower inner wall of the device outer frame 1. The lower inner wall of the dividing frame 27 is fixedly connected, the cleaning roller 38 is located between the lifting screw rod 34 and the limiting slide rod 35, the lifting screw rod 34 is threadedly connected with the lifting block 1 37, the limiting slide rod 35 is slidably connected with the lifting block 2 39, the right end of the cleaning roller 38 is rotatably connected to the left end of the lifting block 2 39, the left end of the cleaning roller 38 is fixedly connected to the rotating rod 40, the left end of the rotating rod 40 is rotatably connected to the right end of the lifting block 1 37, and the rotating rod 40 is fixedly connected to The driving gear 41 and the outer wall of the lifting block 37 are fixedly connected to an auxiliary frame 42, and the right end of the auxiliary frame 42 is rotatably connected to a driving gear 43, the driving gear 43 is meshed with the driving gear 41, and an auxiliary tooth plate 36 is arranged on the outer side of the driving gear 43, and the upper and lower ends of the auxiliary tooth plate 36 are respectively fixedly connected to the upper inner wall of the equipment outer frame 1 and the lower inner wall of the dividing frame 27, and the driving gear 43 is meshed with the auxiliary tooth plate 36, and the diameter of the driving gear 43 is greater than the diameter of the driving gear 41, thereby ensuring the rotation speed of the cleaning roller 38 and improving the cleaning frequency; when cleaning the filter screen 28, the lifting motor 45 and the lifting screw 34 are used to drive the cleaning roller 38 to move up and down, and the driving gear 43 cooperates with the auxiliary tooth plate 36 to realize the rotation of the driving gear 43, and the driving gear 43 cooperates with the driving gear 41 to realize the rotation of the driving gear 41 and the cleaning roller 38, and the cleaning brush 44 on the surface of the cleaning roller 38 is used to clean the filter screen 28;
[0040] A collecting box 32 and a dust suction pump 33 are provided on the outer wall of the equipment outer frame 1, the input end of the dust suction pump 33 is connected to the collecting box 32, a dust suction port 29 is provided on the lower side wall of the dividing frame 27, a dust suction frame 30 is fixedly connected to the lower end of the dividing frame 27, the dust suction port 29 is connected to the dust suction frame 30, a dust suction pipe 31 is connected to the collecting box 32, the end of the dust suction pipe 31 away from the collecting box 32 passes through the side walls of the equipment outer frame 1 and the dust suction frame 30, and is connected to the dust suction frame 30. After cleaning the filter 28, the swept dust enters the collecting box 32 from the dust suction port 29, the dust suction frame 30 and the dust suction pipe 31 under the action of the dust suction pump 33 for collection. The device does not need to be manually replaced repeatedly for the filter 28, and is more convenient to use.
[0041] Working principle: When in use, move the device to the designated position, and turn on the adsorption function of the device by controlling the operation panel 4. At this time, the negative pressure pump 5 provides negative pressure to the suction pipe 6, and then draws the gas in the operating room into the device through the suction port 2. The gas is preliminarily filtered through the filter 28, and is introduced into the built-in water tank 10 from the outlet pipe 9 through the negative pressure pump 5, and fully reacts with the water in the built-in water tank 10 to further filter the impurities therein, and partially dissolve the anesthetic gas in the water. The treated gas is introduced into the drying box 13 through the connecting pipe 12, and the gas is dried by the electric heating wire 14. The dried gas enters the adsorption box 16 through the gas supply pipe 15, and the gas is introduced from the rear side of the guide baffle 22 and passes through the activated carbon particles on the rear side of the guide baffle 22, and enters the activated carbon particles on the front side of the guide baffle 22 from the lower end of the guide baffle 22, and is finally discharged from the exhaust pipe 18, thereby adsorbing the anesthetic gas diffused in the operating room to avoid affecting medical staff. After the activated carbon particles have reached saturation in adsorption, they need to be desorbed by high-temperature treatment to discharge the adsorbed impurities and restore the activity of the activated carbon particles. A high-temperature treatment chamber 24 is provided on the inner wall of the adsorption box 16. The high-temperature treatment chamber 24 is connected to the electric heating box 19 through the air supply pipe 20 and the air return pipe 21. After the adsorption of the anesthetic gas is completed by the activated carbon particles in the adsorption box 16, the device is moved to a designated location, and high-temperature gas is introduced into the high-temperature treatment chamber 24 of the electric heating box 19. The high-temperature gas is used to perform high-temperature treatment on the activated carbon particles in the adsorption box 16, so that the anesthetic gas adsorbed on the activated carbon can be desorbed from the activated carbon, so that the device can continue to be used without frequent replacement of activated carbon; wherein the ventilation pipe 23 in the adsorption box 16 ensures that each position of the activated carbon in the adsorption box 16 is heated evenly, thereby ensuring the treatment effect. A cleaning tube 25 is also provided on the air outlet pipe 9 in the device. During the desorption operation, the solenoid valve on the cleaning tube 25 is opened, the solenoid valve on the air outlet pipe 9 is closed, and the negative pressure pump 5 is used to introduce dry gas into the adsorption box 16 to further ensure that the desorbed anesthetic gas can be discharged smoothly.
[0042] A cleaning mechanism 8 is arranged at the front side of the preliminary treatment mechanism, and a filter screen 28 is arranged in the preliminary treatment mechanism. The filter screen 28 is used to achieve preliminary treatment of the air to prevent large particles of impurities from entering the interior of the equipment. A cleaning roller 38 is arranged in the cleaning mechanism 8. While the cleaning roller 38 is driven up and down by the lifting motor 45 and the lifting screw 34, the driving gear 43 cooperates with the auxiliary tooth plate 36 to realize the rotation of the driving gear 43, and the driving gear 43 cooperates with the driving gear 41 to realize the rotation of the driving gear 41 and the cleaning roller 38. The cleaning brush 44 on the surface of the cleaning roller 38 is used to clean the filter screen 28. The cleaned dust enters the collection box 32 from the dust suction port 29, the dust suction frame 30 and the dust suction pipe 31 under the action of the dust suction pump 33 for collection. The device does not need to be manually replaced repeatedly. The filter screen 28 is more convenient to use.
Claims
1. An anesthetic gas purification device, comprising a device frame (1), characterized in that: A control operation panel (4) is arranged at the upper end of the device outer frame (1); an air suction port (2) is provided on the front side wall of the device outer frame (1); a negative pressure pump (5) is fixedly connected to the rear inner wall of the device outer frame (1); a preliminary filtering mechanism (7) is arranged on the front side of the negative pressure pump (5); a cleaning mechanism (8) is arranged on the front side of the preliminary filtering mechanism (7); the cleaning mechanism (8) is located on the rear side of the air suction port (2); and a built-in water tank is arranged below the negative pressure pump (5). (10), a drying box (13) and an adsorption box (16), the built-in water tank (10) and the drying box (13) are both fixedly connected to the inner wall of the equipment outer frame (1), the output end of the negative pressure pump (5) is fixedly connected to an air outlet pipe (9), the end of the air outlet pipe (9) away from the negative pressure pump (5) passes through the upper side wall of the built-in water tank (10) and is close to the lower inner wall of the built-in water tank (10), the upper end of the built-in water tank (10) is fixedly connected to a connecting pipe (12), and the connecting pipe (12) 2) one end away from the built-in water tank (10) is connected to the drying box (13), the connecting pipe (12) is connected to the built-in water tank (10), an electric heating wire (14) is arranged on the inner side of the drying box (13), a right side wall of the device outer frame (1) is provided with an inspection window (26), the adsorption box (16) is located at the rear side of the inspection window (26), the upper end of the adsorption box (16) is opened, the upper end of the adsorption box (16) is provided with an upper sealing cover (17), the drying box (13) is provided with an electric heating wire (14), and the right side wall of the device outer frame (1) is provided with an inspection window (26). An air supply pipe (15) is fixedly connected to the upper side wall of the drying box (13); one end of the air supply pipe (15) away from the drying box (13) passes through the upper sealing cover (17) and extends to the bottom of the upper sealing cover (17); an exhaust pipe (18) is fixedly connected to the upper sealing cover (17); one end of the exhaust pipe (18) away from the upper sealing cover (17) passes through the side wall of the equipment outer frame (1) and extends to the outside of the equipment outer frame (1); an auxiliary recovery mechanism is arranged on the outside of the adsorption box (16).
2. An anesthetic gas purification device according to claim 1, characterized in that: A high-temperature treatment chamber (24) is arranged in the side wall of the adsorption box (16); the auxiliary recovery mechanism comprises an electric heating box (19); the output end of the electric heating box (19) is fixedly connected to an air supply pipe (20); the input end of the electric heating box (19) is fixedly connected to a return air pipe (21); the ends of the return air pipe (21) and the air supply pipe (20) away from the electric heating box (19) both penetrate the side wall of the equipment outer frame (1) and the side wall of the high-temperature treatment chamber (24), and are connected to the high-temperature treatment chamber (24); the connection points of the return air pipe (21) and the air supply pipe (20) with the adsorption box (16) are symmetrically distributed on the front and rear sides of the adsorption box (16).
3. An anesthetic gas purification device according to claim 2, characterized in that: A guide baffle (22) is arranged inside the adsorption box (16), the upper end of the guide baffle (22) is in contact with the lower end of the upper sealing cover (17), the left and right ends of the guide baffle (22) are respectively fixedly connected to the left and right inner walls of the adsorption box (16), the guide baffle (22) is located between the gas supply pipe (15) and the exhaust pipe (18), the lower end of the guide baffle (22) does not contact the lower inner wall of the adsorption box (16), and activated carbon particles are arranged inside the adsorption box (16).
4. An anesthetic gas purification device according to claim 2, characterized in that: A plurality of ventilation pipes (23) are arranged on the inner side of the adsorption box (16), the ventilation pipes (23) penetrate the guide baffle (22), and the front and rear ends of the ventilation pipes (23) are respectively fixedly connected to the front and rear inner walls of the adsorption box (16), and the front and rear side cavities of the high-temperature treatment chamber (24) are connected through the ventilation pipes (23).
5. The anesthetic gas purification device according to claim 1, characterized in that: The air outlet pipe (9) is fixedly connected to a cleaning pipe (25); one end of the cleaning pipe (25) away from the air outlet pipe (9) penetrates the side wall of the drying box (13) and is in communication with the drying box (13); the air supply pipe (15), the air outlet pipe (9), the exhaust pipe (18) and the cleaning pipe (25) are all provided with electromagnetic valves; the electromagnetic valve on the air outlet pipe (9) is located on a side of the connection between the cleaning pipe (25) and the air outlet pipe (9) close to the built-in water tank (10).
6. The anesthetic gas purification device according to claim 1, characterized in that: The preliminary filtering mechanism (7) comprises a partition frame (27) and a filter screen (28); the partition frame (27) is L-shaped; the upper end of the partition frame (27) is fixedly connected to the upper inner wall of the device outer frame (1); the front end of the partition frame (27) is fixedly connected to the front inner wall of the device outer frame (1); the left and right ends of the partition frame (27) are respectively fixedly connected to the left and right inner walls of the device outer frame (1); the partition frame (27) is located at the rear side of the air suction port (2); and the input end of the negative pressure pump (5) is fixedly connected to an air suction pipe (6). The end of the air extraction pipe (6) away from the negative pressure pump (5) passes through the rear side wall of the partition frame (27) and extends to the front side of the partition frame (27). The left side end of the filter screen (28) passes through the right side wall of the device outer frame (1) and extends into the device outer frame (1). The upper end of the filter screen (28) is slidably connected to the upper inner wall of the device outer frame (1) through a limiting slide groove. The lower end of the filter screen (28) is slidably connected to the lower inner wall of the partition frame (27) through a limiting slide groove. The filter screen (28) is located at the rear side of the cleaning mechanism (8).
7. An anesthetic gas purification device according to claim 6, characterized in that: The cleaning mechanism (8) comprises a lifting motor (45), a lifting screw rod (34), a limiting slide rod (35) and a cleaning roller (38). A cleaning brush (44) is arranged on the side wall of the cleaning roller (38). The lifting motor (45) is fixed to the lower end of the partition frame (27). The output end of the lifting motor (45) passes through the lower side wall of the partition frame (27) and is fixedly connected to the lower end of the lifting screw rod (34). The upper end of the lifting screw rod (34) is rotatably connected to the upper inner wall of the device outer frame (1). The upper and lower ends of the limiting slide rod (35) are respectively fixedly connected to the upper inner wall of the device outer frame (1) and the lower inner wall of the partition frame (27). The cleaning roller (38) is located between the lifting screw rod (34) and the limiting slide rod (35). The lifting screw rod (34) is threadedly connected to a lifting block 1 (37). The limiting slide rod (35) is slidably connected to a A lifting block (39), the right side end of the cleaning roller (38) is rotatably connected to the left side end of the lifting block (39), the left side end of the cleaning roller (38) is fixedly connected to a rotating rod (40), the left side end of the rotating rod (40) is rotatably connected to the right side end of the lifting block (37), the rotating rod (40) is fixedly connected to a driving gear (41), the outer side wall of the lifting block (37) is fixedly connected to an auxiliary frame (42), the right side end of the auxiliary frame (42) is rotatably connected to a driving gear (43), the driving gear (43) is meshed with the driving gear (41), an auxiliary tooth plate (36) is arranged on the outer side of the driving gear (43), the upper and lower ends of the auxiliary tooth plate (36) are respectively fixedly connected to the upper inner wall of the device outer frame (1) and the lower inner wall of the dividing frame (27), and the driving gear (43) is meshed with the auxiliary tooth plate (36).
8. An anesthetic gas purification device according to claim 6, characterized in that: The outer wall of the device outer frame (1) is provided with a collection box (32) and a dust suction pump (33); the input end of the dust suction pump (33) is communicated with the collection box (32); the lower side wall of the partition frame (27) is provided with a dust suction port (29); the lower end of the partition frame (27) is fixedly connected with a dust suction frame (30); the dust suction port (29) is communicated with the dust suction frame (30); the collection box (32) is connected with a dust suction pipe (31); the end of the dust suction pipe (31) away from the collection box (32) passes through the side walls of the device outer frame (1) and the dust suction frame (30), and is communicated with the dust suction frame (30).
9. The anesthetic gas purification device according to claim 6, characterized in that: A filter plate (11) is provided on the inner side of the built-in water tank (10), the outer end of the filter plate (11) abuts against the upper inner wall of the built-in water tank (10), and the lower end of the air outlet pipe (9) penetrates the filter plate (11) and extends to the bottom of the filter plate (11).