Drying mechanism for high-purity oxygen preparation equipment
By combining a primary filter ring, a secondary filter ring, and a filter cartridge, along with the squeezing function of a limiting mesh ring, the problem of decreased effectiveness of silica gel desiccant after absorbing water is solved, achieving efficient multiple filtration and adsorption to ensure the quality of oxygen drying.
Patent Information
- Application Number
- CN202422568060.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-24
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-10-24
AI Technical Summary
During the preparation of high-purity oxygen, the pores of the silica gel desiccant are occupied after absorbing moisture, resulting in a decrease in drying effect. Moist oxygen passes through the gaps, affecting the drying effect.
The system employs a combination structure of a primary filter ring, a secondary filter ring, and a filter cartridge. Oxygen is first filtered through the primary filter ring, then comes into contact with the desiccant to adsorb moisture, and finally passes through the secondary filter ring for further filtration. The limiting mesh ring, under the action of a spring, compresses the desiccant to fill the gaps, ensuring the drying effect.
It achieves multiple filtration and adsorption of oxygen, prevents moisture residue, improves drying quality and effect, and avoids oxygen containing water being discharged due to desiccant saturation.
Smart Images
Figure CN223453995U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a gas drying equipment technical field, concretely relates to a drying mechanism for high -purity oxygen preparation equipment. BACKGROUND
[0002] Oxygen is one of indispensable components in the earth's atmosphere, is the key gas that plants and animals respiration process takes from air and is used for cell metabolism, and high -purity oxygen is the oxygen that is extracted from air by advanced technology and highly purified, and its purity far exceeds the content in ordinary air, because of its excellent purity, is widely used in medical treatment, high -efficient combustion, precision welding and scientific research experiment etc. Multiple fields, satisfy various professional needs, such as being used for auxiliary treatment respiratory system disease on medical treatment, being used for enhancing combustion efficiency and metal cutting welding in industry etc., and its highly purified characteristics make it can play more accurate and efficient role in these fields.
[0003] However, because oxygen has certain moisture, when purifying high -purity oxygen, usually silica gel drying agent is used to absorb the moisture in oxygen, and dry oxygen, but after absorbing moisture, the small holes in silica gel drying agent are occupied by moisture, which can reduce its surface area, cause a large number of gaps between drying agents, and make it easy for humid oxygen to pass through the drying agent from the gap, which affects the drying effect of oxygen. Therefore, the technical personnel in the art provide a drying mechanism for high -purity oxygen preparation equipment to solve the problems raised in the above background technology. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a drying mechanism for high -purity oxygen preparation equipment to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The utility model provides a kind of drying mechanism for high-purity oxygen preparation equipment, including: drying cylinder, the inside of drying cylinder is provided with cavity, and the both ends of drying cylinder are provided with end cap for closing the opening of cavity, two end caps are respectively provided with air inlet pipe, exhaust pipe being communicated with cavity, and the inside of cavity is provided with filter cartridge, the inside of filter cartridge is provided with containing cavity for storing drying agent, and the both ends of filter cartridge are threadedly installed with the closing net cover for closing containing cavity, the inside of closing net cover is provided with limit net ring, limit net ring extends to the inside of containing cavity and extrudes drying agent, and the inside of cavity is provided with first filter ring, second filter ring respectively on the outside of two closing net covers, first filter ring and second filter ring are respectively close to the end face of two closing net covers and cover on its mesh, and the end of closing net cover close to limit net ring is uniformly provided with a plurality of sleeves, the inside of sleeve is slidably installed with extension rod, extension rod penetrates sleeve and extends to its outside, and the end of extension rod outside sleeve is installed on the end face of limit net ring, and spring is arranged between the end face of limit net ring and the end face of closing net cover and around the outside of sleeve and extension rod.
[0007] Preferably, the end of the two end caps close to the drying cylinder is provided with a first threaded lug, and the first threaded lug is threadedly installed on the inner wall of the cavity and tightly pressed against the end face of the first filter ring and the second filter ring, respectively. The end face of the end cap is provided with a sealing gasket around the outside of the first threaded lug, and the end cap is tightly attached to the end face of the drying cylinder through the sealing gasket.
[0008] Preferably, a sealing ring is arranged between the two end caps, the first filter ring, the filter cartridge, and the second filter ring, and the two end caps, the first filter ring, the filter cartridge, and the second filter ring are tightly attached to each other through the sealing ring.
[0009] Preferably, the end face of the two closing net covers is provided with a second threaded lug, and the second threaded lug is threadedly installed on the inner wall of the containing cavity.
[0010] Preferably, the inside of the sleeve is provided with a hollow groove, and the extension rod is slidably installed in the inside of the hollow groove.
[0011] Preferably, the opening of the hollow groove is provided with an annular baffle, the inside of the annular baffle is provided with a through hole, the extension rod penetrates the through hole and extends to the outside of the sleeve.
[0012] Preferably, the end of the extension rod inside the hollow groove is provided with an annular lug for limiting its position, and the diameter of the annular lug is greater than the inner diameter of the through hole.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] By setting the first filter ring, the filter cylinder and the second filter ring, when drying oxygen, oxygen can enter the cavity from the air inlet pipe and pass through the first filter ring, the moisture in the oxygen is preliminarily filtered by the first filter screen in the first filter ring, and then the preliminarily filtered oxygen enters the filter cylinder through the mesh holes on the closed mesh cover and the limiting mesh ring and contacts the drying agent in the containing cavity, the moisture in the oxygen is adsorbed by the drying agent, the moisture in the secondary filtered oxygen flowing out of the filter cylinder is filtered three times by the second filter screen in the second filter ring, and the filtered oxygen is discharged from the air outlet pipe, so that the drying of oxygen can be completed, the moisture in the oxygen can be filtered and adsorbed multiple times, the moisture remaining in the filtered and adsorbed oxygen is prevented, the situation that the moisture containing oxygen is discharged due to the fact that the filter screen and the drying agent cannot dry the moisture in the oxygen after adsorbing the moisture is avoided, and the quality of oxygen drying is improved.
[0015] When the drying agent adsorbs moisture and reduces the surface area, the two limiting mesh rings slide to the inside of the containing cavity and press the drying agent under the elastic force of the spring, the drying agent is clamped at the middle position of the containing cavity, the drying agent is mutually attached, the gap in the inside of the drying agent is filled, the moisture containing oxygen is prevented from being discharged from the gap, the situation that the drying effect of oxygen is affected due to the fact that the moisture containing oxygen is discharged from the gap is avoided, and the drying effect of oxygen is ensured. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a three-dimensional schematic view of the drying cylinder according to an embodiment of the present application;
[0017] Figure 2 It is a split schematic view of the drying cylinder according to an embodiment of the present application;
[0018] Figure 3 It is a split schematic view of the filter cylinder according to an embodiment of the present application;
[0019] Figure 4 It is a split schematic view of the limiting mesh ring and the closed mesh cover according to an embodiment of the present application;
[0020] Figure 5 It is a split schematic view of the extension rod and the sleeve according to an embodiment of the present application.
[0021] In the figure: 1, drying cylinder; 101, cavity; 11, end cover; 111, first threaded lug; 112, gasket; 12, air inlet pipe; 13, exhaust pipe; 14, primary filter ring; 15, secondary filter ring; 16, sealing ring; 2, filter cylinder; 201, containing cavity; 21, closed mesh cover; 211, second threaded lug; 22, limiting mesh ring; 23, sleeve; 231, empty slot; 232, annular baffle; 233, through hole; 24, extension rod; 241, annular lug; 25, spring. DETAILED DESCRIPTION
[0022] In the description of the present application, it is to be understood that the terms "center", "transverse", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, or be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more. In addition, the term "comprising" and any variations thereof are intended to cover non-exclusive inclusion.
[0023] In combination Figures 1-5As shown, the inside of the drying cylinder 1 is provided with a cavity 101, and both ends of the drying cylinder 1 are provided with end covers 11 for closing the opening of the cavity 101, the two end covers 11 are respectively provided with air inlet pipes 12 and air outlet pipes 13 which are communicated with the cavity 101, and the inside of the cavity 101 is provided with a filter cylinder 2, the inside of the filter cylinder 2 is provided with a containing cavity 201 for storing drying agent, and both ends of the filter cylinder 2 are threadedly installed with closing mesh covers 21 for closing the containing cavity 201, the inner side of the closing mesh cover 21 is provided with a limiting mesh ring 22, the limiting mesh ring 22 extends to the inside of the containing cavity 201 and extrudes the drying agent, and the inside of the cavity 101 located outside the two closing mesh covers 21 is respectively provided with a primary filter ring 14 and a secondary filter ring 15, the primary filter ring 14 and the secondary filter ring 15 are respectively tightly attached to the mesh holes on the end faces of the two closing mesh covers 21 and cover the mesh holes, and the end of the closing mesh cover 21 close to the limiting mesh ring 22 is uniformly provided with a plurality of sleeves 23, the inside of the sleeve 23 is slidably installed with an extension rod 24, the extension rod 24 penetrates through the sleeve 23 and extends to the outside of the sleeve 23, and the end of the extension rod 24 located outside the sleeve 23 is installed on the end face of the limiting mesh ring 22, and the spring 25 is arranged between the end face of the limiting mesh ring 22 and the end face of the closing mesh cover 21 and surrounds the outside of the sleeve 23 and the extension rod 24.
[0024] In an embodiment, when the primary filter ring 14, the secondary filter ring 15 and the filter cylinder 2 are assembled, the primary filter ring 14, the filter cylinder 2, the secondary filter ring 15 and the sealing ring 16 can be sequentially placed in the cavity 101, and then the two end covers 11 are installed on the ends of the drying cylinder 1 through the first threaded lugs 111, so that the first threaded lugs 111 extend to the inside of the cavity 101 to press the primary filter ring 14, the filter cylinder 2, the secondary filter ring 15 and the sealing ring 16, preventing the primary filter ring 14, the filter cylinder 2 and the secondary filter ring 15 from shaking in the cavity 101, and then the end cover 11 is tightly pressed on the end of the drying cylinder 1 through the sealing gasket 112 to close the cavity 101, so that the assembly of the primary filter ring 14, the secondary filter ring 15 and the filter cylinder 2 is completed, the gap between the end cover 11, the primary filter ring 14, the filter cylinder 2 and the secondary filter ring 15 can be sealed by the sealing ring 16, preventing oxygen from leaking from the gap between the end cover 11, the primary filter ring 14, the filter cylinder 2 and the secondary filter ring 15, avoiding the case that the oxygen containing moisture mixes with the dried oxygen in the cavity 101, and ensuring the quality of the dried oxygen.
[0025] In an embodiment, when the drying cylinder 1 is closed by the end cover 11, the gap between the end cover 11 and the drying cylinder 1 can be sealed by the sealing gasket 112, preventing oxygen from leaking from the gap between the end cover 11 and the drying cylinder 1, and ensuring the sealing performance of the drying cylinder 1.
[0026] In one embodiment, when drying oxygen, oxygen can enter the cavity 101 from the air inlet pipe 12, pass through the primary filter ring 14, and the moisture in the oxygen is preliminarily filtered by the primary filter screen in the primary filter ring 14. The preliminarily filtered oxygen enters the filter cartridge 2 through the mesh on the closed screen cover 21 and the limiting screen ring 22, and contacts the desiccant in the containing cavity 201. The moisture in the oxygen is adsorbed by the desiccant for secondary filtration. The secondary filtered oxygen flowing out of the filter cartridge 2 passes through the secondary filter ring 15, and the moisture in the oxygen is filtered by the secondary filter screen in the secondary filter ring 15 for three times. The filtered oxygen is discharged from the air outlet pipe 13, and the drying of oxygen is completed. The moisture in the oxygen can be filtered and adsorbed multiple times, preventing the moisture from remaining in the filtered and adsorbed oxygen, avoiding the situation that the filtered screen and the desiccant cannot dry the moisture in the oxygen after adsorbing the moisture, and improving the quality of oxygen drying.
[0027] In one embodiment, when the desiccant is used to adsorb the moisture in the oxygen, the two limiting screen rings 22 can slide in the containing cavity 201 under the elastic force of the spring 25 and press the desiccant, clamping the desiccant at the middle position of the containing cavity 201, and the desiccants are in close contact with each other, filling the gaps inside, preventing the oxygen containing moisture from being discharged from the gaps, avoiding the situation that the oxygen containing moisture affects the oxygen drying effect, and ensuring the effect of oxygen drying.
[0028] In one embodiment, since the diameter of the annular lug 241 is greater than the inner diameter of the through hole 233, when the limiting screen ring 22 is used to limit the desiccant, the annular lug 241 on the extension rod 24 can be blocked by the annular baffle 232 to prevent the extension rod 24 sliding in the hollow groove 231 from being separated from the sleeve 23 through the through hole 233, avoiding the situation that the limiting screen ring 22 cannot be used because the extension rod 24 is separated from the sleeve 23, and ensuring the use of the limiting screen ring 22.
[0029] In one embodiment, when the primary filter ring 14, the secondary filter ring 15, the filter screen inside the filter cartridge 2 and the drying agent are replaced, the end cover 11 can be detached by screwing the first threaded lug 111, the primary filter ring 14, the secondary filter ring 15 and the filter cartridge 2 inside the drying cartridge 1 are taken out, the filter screen on the primary filter ring 14 and the secondary filter ring 15 is replaced, the closing screen cover 21 is detached by screwing the second threaded lug 211, and the limiting screen ring 22 is separated from the filter cartridge 2, so that the drying agent in the filter cartridge 2 can be replaced. The structure is simple, the operation is convenient, and the maintenance work is facilitated.
[0030] The working principle of the utility model is: when drying oxygen, oxygen can enter the cavity 101 from the inlet pipe 12, pass through the primary filter ring 14, and be preliminarily filtered by the primary filter screen in the primary filter ring 14, then the preliminarily filtered oxygen enters the filter cartridge 2 through the mesh holes on the closing screen cover 21 and the limiting screen ring 22 and contacts the drying agent in the containing cavity 201, the water in the oxygen is adsorbed by the drying agent, the water in the oxygen is filtered twice, then the two limiting screen rings 22 slide in the containing cavity 201 under the elastic force of the spring 25 and press the drying agent, the drying agent is clamped at the middle position of the containing cavity 201, the drying agent is mutually adhered, the gap in the drying agent is filled, the oxygen containing water is prevented from being discharged from the gap, the drying effect of the oxygen is improved, finally, the twice filtered oxygen flowing out of the filter cartridge 2 passes through the secondary filter ring 15, the water in the oxygen is filtered three times by the secondary filter screen in the secondary filter ring 15, and the filtered oxygen is discharged from the exhaust pipe 13, so that the drying of the oxygen is completed, the water in the oxygen is filtered and adsorbed multiple times, the water in the filtered and adsorbed oxygen is prevented from being residual, the situation that the oxygen containing water is discharged due to the fact that the filter screen and the drying agent cannot dry the water in the oxygen because they are in a full state after adsorbing water is avoided, and the drying quality of the oxygen is ensured.
[0031] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A drying mechanism for a high-purity oxygen production apparatus, comprising: The utility model provides a dry cylinder (1), its characterized in being that the inside of dry cylinder (1) is opened with cavity (101), and the both ends of dry cylinder (1) are provided with end cover (11) for closing the opening of cavity (101), two end cover (11) are provided with air inlet pipe (12) respectively, exhaust pipe (13) with cavity (101) is linked, and the inside of cavity (101) is provided with filter cylinder (2), the inside of filter cylinder (2) is opened with the containing cavity (201) for depositing drying agent, and the both ends of filter cylinder (2) are threadedly installed with the closing net cover (21) for closing containing cavity (201), the inside of closing net cover (21) is provided with the limiting net ring (22), the limiting net ring (22) extends to the inside of containing cavity (201) and extrudes drying agent, and the inside of cavity (101) is located at the outside of two closing net cover (21) and is provided with primary filter ring (14), secondary filter ring (15) respectively, primary filter ring (14) and secondary filter ring (15) are respectively close to the end face of two closing net cover (21) and cover on its mesh, and the end of closing net cover (21) near limiting net ring (22) is evenly provided with a plurality of sleeve (23), the inside of sleeve (23) is slidably installed with extension rod (24), extension rod (24) penetrates sleeve (23) and extends to its outside, and the end of extension rod (24) located at the outside of sleeve (23) is installed in the end face of limiting net ring (22), and the end face between limiting net ring (22) and closing net cover (21) is provided with spring (25) and surrounds the outside of sleeve (23), extension rod (24).
2. The drying mechanism for a high-purity oxygen production apparatus according to claim 1, characterized by, The end of two end cover (11) near dry cylinder (1) is provided with first threaded support ear (111), and the end face of end cover (11) is provided with sealing pad (112) and surrounds the outside of first threaded support ear (111).
3. The drying mechanism for a high-purity oxygen production apparatus according to claim 1, characterized by, Two end cover (11), primary filter ring (14), filter cylinder (2) and secondary filter ring (15) are provided with sealing ring (16), and two end cover (11), primary filter ring (14), filter cylinder (2) and secondary filter ring (15) are tightly attached to each other through sealing ring (16).
4. The drying mechanism for a high-purity oxygen production apparatus according to claim 1, wherein The end face of two closing net cover (21) is provided with second threaded support ear (211), and the end face of two closing net cover (21) is provided with second threaded support ear (211).
5. The drying mechanism for a high-purity oxygen production apparatus according to claim 1, wherein The inside of sleeve (23) is provided with air slot (231), and extension rod (24) is slidably installed in air slot (231).
6. The drying mechanism for a high-purity oxygen production apparatus according to claim 5, wherein An annular baffle (232) is arranged at the opening of the said slot (231), and a through hole (233) is formed in the interior of the annular baffle (232), the said extension rod (24) penetrates through the said through hole (233) and extends to the outside of the sleeve (23).
7. The drying mechanism for a high-purity oxygen production apparatus according to claim 6, characterized by An annular supporting lug (241) for limiting the position of the said extension rod (24) is arranged at one end of the said extension rod (24) which is located in the interior of the said slot (231), and the diameter of the annular supporting lug (241) is greater than the inner diameter of the said through hole (233).