Ethylene oxide gas purification device

Abstract

The utility model discloses an ethylene oxide gas purification device which comprises a purification box, a gas outlet pipe is fixedly connected to the interior of the purification box, a plurality of gas outlet holes are evenly formed in the outer wall of the gas outlet pipe, a wavy partition plate is fixedly connected to the interior of the purification box, and a plurality of filler balls are placed on the outer wall of the wavy partition plate. A through hole is formed in the outer wall of the purification box, a water outlet pipe is fixedly connected to the inner wall of the through hole, a plurality of nozzles fixedly communicate with the outer wall of the water outlet pipe, and a liquid discharge pipe fixedly communicates with the outer wall of the purification box. By arranging the gas outlet pipe, the gas outlet hole, the gas guide pipe, the wave-shaped partition plate, the filler ball, the water outlet pipe, the spray head and the liquid discharge pipe, ethylene oxide waste gas is prevented from being intensively discharged from one port to cause local condensation, and meanwhile, the wave-shaped partition plate divides the ethylene oxide waste gas into a plurality of areas through the structure of the wave-shaped partition plate; the packing balls enable the ethylene oxide waste gas and the absorption liquid two-phase flow to be in full contact.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas purification, in particular to an ethylene oxide gas purification device. Background Art

[0002] Ethylene oxide is a broad-spectrum, highly effective gaseous sterilization disinfectant. It has strong penetration into sterilized items and can reach deep into items, killing a number of pathogenic microorganisms, including bacterial propagules, spores, viruses and fungi. Both gases and liquids have strong microbicidal effects, with gases being more effective, so gases are often used. Using ethylene oxide for sterilization is a commonly used sterilization method. However, after the sterilization is completed, there will be a certain amount of sterilization waste gas in the sterilizer. Since the sterilization waste gas in the sterilizer is toxic, it cannot be directly discharged into the atmosphere. Therefore, the sterilization waste gas must be purified before it can be discharged.

[0003] In the prior art, waste gas needs to be transferred to a gas treatment device using a gas guide structure (pipeline) before treatment. However, when using a gas guide structure (pipeline), waste gas is more likely to condense together, causing the concentration of waste gas to increase before treatment, increasing the difficulty of subsequent purification work and reducing the effectiveness of purification treatment. Therefore, we propose an ethylene oxide gas purification device to solve the above problems. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an ethylene oxide gas purification device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An ethylene oxide gas purification device comprises a purification box, wherein an air outlet pipe is fixedly connected to the inside of the purification box, a plurality of air outlet holes are evenly formed on the outer wall of the air outlet pipe, a corrugated partition is fixedly connected to the inside of the purification box, a plurality of filler balls are placed on the outer wall of the corrugated partition, a through hole is formed on the outer wall of the purification box, a water outlet pipe is fixedly connected to the inner wall of the through hole, a plurality of nozzles are fixedly interconnected on the outer wall of the water outlet pipe, a liquid discharge pipe is fixedly interconnected on the outer wall of the purification box, a circular ring is fixedly connected to the top of the purification box, and a filtering mechanism is provided on the top of the purification box.

[0007] Preferably, the filtering mechanism includes a T-shaped rod, a mounting hole is provided at the top of the purification box, the inner wall of the mounting hole is rotatably connected to the outer wall of the T-shaped rod, the outer wall of the T-shaped rod is fixedly sleeved with a circular plate, an exhaust hole is provided at the top of the purification box, a plurality of fixed tubes are fixedly interconnected at the top of the circular plate, activated carbon is fixedly connected to the inside of the fixed tube, and secondary purification is performed by arranging the activated carbon to avoid residues in the ethylene oxide waste gas, and the activated carbon that has been saturated with adsorption is replaced after switching the fixed tube to facilitate the next rotation switch.

[0008] Preferably, a circular hole is opened on the outer wall of the purification box, the inner wall of the circular hole is fixedly connected to the outer wall of the air outlet pipe, and the multiple air outlet holes on the air outlet pipe are arranged in a straight line and are located below the air outlet pipe.

[0009] Preferably, one end of the gas outlet pipe is fixedly connected to an air guide pipe, and the outer wall of the corrugated partition is provided with a plurality of mesh holes, through which the ethylene oxide waste gas contacts the filler balls.

[0010] Preferably, one end of the water outlet pipe is fixedly connected to a water pump.

[0011] Preferably, the bottom of the circular plate is rotatably connected to the top of the purification box.

[0012] Preferably, an annular sealing gasket is fixedly connected to the inside of the circular ring, and the outer wall of the annular sealing gasket is slidably connected to the outer wall of the circular plate. The sealing performance between the circular plate and the circular ring is increased by providing the annular sealing gasket.

[0013] Compared with the prior art, the advantages of the utility model are:

[0014] This solution prevents the ethylene oxide waste gas from being discharged from a single port and causing local condensation by arranging an air outlet pipe, an air outlet hole, an air guide pipe, a wavy baffle, a filler ball, a water outlet pipe, a nozzle and a liquid discharge pipe. At the same time, the wavy baffle divides the ethylene oxide waste gas into several areas through its own structure, and the filler ball enables the two-phase flow of the ethylene oxide waste gas and the absorption liquid to fully contact. By arranging a circular ring, a circular plate, an exhaust hole, a fixed pipe, activated carbon, an annular sealing gasket and a T-bar, the circular plate can be rotated to drive multiple fixed pipes to switch, so as to avoid the need to stop the activated carbon for replacement after saturated adsorption fails, thereby improving the purification efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the description of the specific implementation methods will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a three-dimensional structural schematic diagram of an ethylene oxide gas purification device proposed by the utility model;

[0017] Figure 2 This is a schematic cross-sectional structure diagram of an ethylene oxide gas purification device proposed by the utility model;

[0018] Figure 3 The utility model provides an ethylene oxide gas purification device Figure 2 A schematic diagram of the enlarged structure of part A in the figure.

[0019] In the figure: 1. purification box; 2. air outlet pipe; 3. air outlet hole; 4. air guide pipe; 5. wavy partition; 6. packing ball; 7. water outlet pipe; 8. nozzle; 9. drain pipe; 10. ring; 11. round plate; 12. air outlet hole; 13. fixing pipe; 14. activated carbon; 15. ring sealing gasket; 16. T-bar. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Depend on Figure 1-Figure 3 As shown, it relates to an ethylene oxide gas purification device, including a purification box 1, an air outlet pipe 2 is fixedly connected to the inside of the purification box 1, a circular hole is opened on the outer wall of the purification box 1, the inner wall of the circular hole is fixedly connected to the outer wall of the air outlet pipe 2, a plurality of air outlet holes 3 are evenly opened on the outer wall of the air outlet pipe 2, and the ethylene oxide waste gas is discharged through the plurality of air outlet holes 3, one end of the air outlet pipe 2 is fixedly connected to an air guide pipe 4, and one end of the air guide pipe 4 is connected to the source of the ethylene oxide waste gas.

[0022] A corrugated partition 5 is fixedly connected to the inside of the purification box 1. The corrugated structure of the corrugated partition 5 separates the ethylene oxide waste gas when it floats upward to avoid the waste gas concentration. The outer wall of the corrugated partition 5 is provided with a plurality of mesh holes. A plurality of filler balls 6 are placed on the outer wall of the corrugated partition 5. The filler balls 6 enable the two-phase flow of the ethylene oxide waste gas and the absorption liquid to fully contact while maintaining a small resistance.

[0023] A through hole is provided on the outer wall of the purification box 1, and a water outlet pipe 7 is fixedly connected to the inner wall of the through hole. A water pump is fixedly connected to one end of the water outlet pipe 7, and a plurality of nozzles 8 are fixedly connected to the outer wall of the water outlet pipe 7. The water pump is operated to transport the absorption liquid to the water outlet pipe 7, and the absorption liquid is discharged from the plurality of nozzles 8. Part of the absorption liquid is hung on the outer surface of the packing balls 6 to facilitate the contact with the ethylene oxide waste gas. A drainage pipe 9 is fixedly connected to the outer wall of the purification box 1, and a circular ring 10 is fixedly connected to the top of the purification box 1, and the circular ring 10 assists the circular plate 11 to rotate.

[0024] A filtering mechanism is provided at the top of the purification box 1, and the filtering mechanism includes a T-shaped rod 16. A mounting hole is opened at the top of the purification box 1. The inner wall of the mounting hole is rotatably connected to the outer wall of the T-shaped rod 16. A circular plate 11 is fixedly sleeved on the outer wall of the T-shaped rod 16. The bottom of the circular plate 11 is rotatably connected to the top of the purification box 1. The T-shaped rod 16 drives the circular plate 11 to rotate, and the rotation of the circular plate 11 drives multiple fixed tubes 13 to switch.

[0025] An exhaust hole 12 is provided on the top of the purification box 1, and a plurality of fixed pipes 13 are fixedly connected to the top of the circular plate 11. Activated carbon 14 is fixedly connected inside the fixed pipes 13. The activated carbon 14 performs secondary purification on the ethylene oxide waste gas. An annular sealing gasket 15 is fixedly connected inside the ring 10, and the outer wall of the annular sealing gasket 15 is slidably connected to the outer wall of the circular plate 11.

[0026] Working principle: When in use, ethylene oxide waste gas enters the outlet pipe 2 from the air guide pipe 4 and is discharged through multiple outlet holes 3 to prevent ethylene oxide waste gas from being discharged from one port and causing local condensation. At the same time, when the ethylene oxide waste gas floats upward, the wavy partition plate 5 divides the gas into several areas through its own structure to avoid concentration. The water pump runs to transport the absorption liquid to the water outlet pipe 7 and discharges it from multiple nozzles 8. The ethylene oxide waste gas encounters the mesh and multiple filler balls 6 and is dispersed. At the same time, the two-phase flow of ethylene oxide waste gas and absorption liquid can fully contact each other while maintaining a small resistance. When part of the ethylene oxide waste gas is completely absorbed, it enters one of the fixed pipes 13 along the exhaust hole 12 and is adsorbed by the activated carbon 14. At the same time, the rotatable T-bar 16 drives the circular plate 11 to rotate, and the rotation of the circular plate 11 drives the multiple fixed pipes 13 to switch to avoid the activated carbon 14 from being shut down for replacement after saturated adsorption fails.

[0027] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An ethylene oxide gas purification device, comprising a purification box (1), characterized in that: An air outlet pipe (2) is fixedly connected to the interior of the purification box (1), and a plurality of air outlet holes (3) are evenly arranged on the outer wall of the air outlet pipe (2). A corrugated partition (5) is fixedly connected to the interior of the purification box (1), and a plurality of filler balls (6) are placed on the outer wall of the corrugated partition (5). A through hole is opened on the outer wall of the purification box (1), and a water outlet pipe (7) is fixedly connected to the inner wall of the through hole. A plurality of nozzles (8) are fixedly connected to the outer wall of the water outlet pipe (7). A liquid discharge pipe (9) is fixedly connected to the outer wall of the purification box (1). A circular ring (10) is fixedly connected to the top of the purification box (1), and a filtering mechanism is provided on the top of the purification box (1).

2. The ethylene oxide gas purification device according to claim 1, characterized in that: The filtering mechanism comprises a T-shaped rod (16), a mounting hole is provided at the top of the purification box (1), the inner wall of the mounting hole is rotatably connected to the outer wall of the T-shaped rod (16), a circular plate (11) is fixedly sleeved on the outer wall of the T-shaped rod (16), an exhaust hole (12) is provided at the top of the purification box (1), a plurality of fixed pipes (13) are fixedly connected to the top of the circular plate (11), and activated carbon (14) is fixedly connected to the inside of the fixed pipe (13).

3. The ethylene oxide gas purification device according to claim 1, characterized in that: The outer wall of the purification box (1) is provided with a circular hole, and the inner wall of the circular hole is fixedly connected to the outer wall of the air outlet pipe (2).

4. The ethylene oxide gas purification device according to claim 1, characterized in that: One end of the air outlet pipe (2) is fixedly connected to an air guide pipe (4), and the outer wall of the wave-shaped partition plate (5) is provided with a plurality of mesh holes.

5. The ethylene oxide gas purification device according to claim 1, characterized in that: One end of the water outlet pipe (7) is fixedly connected to a water pump.

6. The ethylene oxide gas purification device according to claim 2, characterized in that: The bottom of the circular plate (11) is rotatably connected to the top of the purification box (1).

7. The ethylene oxide gas purification device according to claim 2, characterized in that: An annular sealing gasket (15) is fixedly connected inside the circular ring (10), and the outer wall of the annular sealing gasket (15) is slidably connected to the outer wall of the circular plate (11).

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