Oxygen generator capable of removing water and drying

By combining refrigeration and adsorption dryers, and utilizing the chemical reaction of calcium oxide drying plates and the high-temperature adsorption properties of silica gel drying plates, the problem of uneven air heating in oxygen generators is solved, thus improving drying efficiency.

CN223570389UActive Publication Date: 2025-11-21SUZHOU JIAYE PURIFICATION EQUIP CO LTD
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Patent Information

Application Number
CN202423141893.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-19
Publication Date
2025-11-21
Estimated Expiration
2034-12-19

AI Technical Summary

Technical Problem

In existing oxygen generators, the air is heated unevenly, resulting in poor drying effect.

Method used

A combination of refrigerated dryer and adsorption dryer is used. The calcium oxide drying plate reacts chemically with the air to release heat, while the silica gel drying plate enhances the adsorption performance at high temperatures. The combination of calcium oxide and silica gel drying plates improves drying efficiency.

Benefits of technology

It improves the uniformity and overall drying effect of air drying, enhances the water absorption capacity of the calcium oxide drying plate and the adsorption performance of the silica gel drying plate, and optimizes the drying effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of oxygen generators, discloses an oxygen generator capable of removing water and drying, and solves the problems that the air temperature rises quickly in an area close to an electric heating wire, and the air temperature rises slowly in an area far away from the electric heating wire. The calcium oxide drying device comprises a device frame, a freezing type drying machine is installed in the device frame, an adsorption type drying machine is installed in the device frame, and when a calcium oxide drying plate makes contact with the air, the calcium oxide drying plate can release a large amount of heat through chemical reaction with water; the calcium oxide drying plate firstly and quickly absorbs a large amount of moisture, in the reaction process, the ambient air humidity can be quickly reduced, meanwhile, the temperature is increased, the adsorption performance of the silica gel drying plate can be enhanced in the environment with a slightly high temperature, and a small amount of residual moisture can be further adsorbed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to oxygen -generating machine technical field, concretely is oxygen -generating machine of water removal drying. BACKGROUND

[0002] Industrial oxygen generator is the important equipment of industrial oxygen production, it is widely used in metallurgical combustion-supporting, chemical industry, environmental protection, building material, light industry, medical treatment, aquaculture, biotechnology, sewage treatment and other fields, industrial oxygen generator separates air and is mainly composed of two adsorption towers filled with molecular sieve, under normal temperature conditions, compressed air is purified after filtration, water removal drying and other treatments and enters the adsorption tower, nitrogen in the air is adsorbed by molecular sieve in the adsorption tower, and oxygen is enriched in the gas phase, and the oxygen flows out of the outlet and is stored in the oxygen buffer tank, and the molecular sieve in the other tower that has completed adsorption is rapidly depressurized, and the adsorbed components are analyzed, two towers are alternately circulated, and cheap oxygen with purity of 90% or more can be obtained.

[0003] The existing Chinese patent with publication number CN210229565U discloses an oxygen generator with water removal and drying functions, an electric heating wire is arranged in the drying plate, a plurality of through holes are formed in the drying plate, air continues to pass through the drying box after passing through the drying pipe, the drying plate in the drying box emits a certain amount of heat under the action of the electric heating wire, and the water in the air can be evaporated when the air passes through the through holes.

[0004] For the related technology in the above, the air is heated by the electric heating wire mainly through the way of heat radiation and heat convection, in the area close to the electric heating wire, the air temperature rises quickly, and in the area far away from the electric heating wire, the air temperature rises slowly, which leads to uneven heating of the air and affects the drying effect. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing oxygen -generating machine of water removal drying, adopts this device to work, thereby solves in the area close to the electric heating wire, the air temperature rises quickly, and in the area far away from the electric heating wire, the air temperature rises slowly, which leads to uneven heating of the air and affects the drying effect.

[0006] To achieve the above object, the utility model provides following technical scheme: the oxygen generator of water removal drying, including device frame, the inside installation of device frame has the refrigerated dryer, the inside installation of device frame has the adsorption dryer, the inside installation of device frame has adsorption tank no.

[0007] Preferably, the drying assembly one includes a connecting plate, a handle one is fixedly installed on the outer side of the connecting plate, a plurality of placing shells are fixedly installed on the inner side of the connecting plate, a calcium oxide drying plate is slidingly installed in the inside of each placing shell, and a handle two is fixedly installed on one end of the calcium oxide drying plate. When the calcium oxide drying plate needs to be replaced, the calcium oxide drying plate is removed from the inside of the placing shell by pulling out the connecting plate, and the calcium oxide drying plate is replaced. The drying efficiency is reduced due to the long reaction time of the calcium oxide drying plate.

[0008] Preferably, a plurality of groups of bolts are threadedly mounted on the two sides of the connecting plate and matched with the reaction shell; a plurality of groups of threaded grooves are formed on the reaction shell and matched with the drying assembly one and the drying assembly two; the drying assembly one and the drying assembly two are threadedly connected with the reaction shell through the bolts, so that the drying assembly one and the drying assembly two are fixed with the reaction shell, and meanwhile, the drying assembly one and the drying assembly two can be quickly disassembled through the bolts, and then the silica gel drying plate and the calcium oxide drying plate inside can be replaced.

[0009] Preferably, a circular groove is formed on the upper end of the reaction shell and matched with the circular groove; a plurality of limiting strips are fixedly installed inside the reaction shell and matched with the placing shell; the drying gas in the reaction shell is discharged through the adsorption tank one and then the adsorption tank two through the circular groove; and the placing shell is fixed when being pulled out through the limiting strip.

[0010] Preferably, the adsorption tank one is connected with the adsorption dryer through the connecting pipe one; the lower end of the adsorption tank one is fixedly installed with a supporting leg; the adsorption tank one and the adsorption tank two are connected through the connecting pipe two; the lower end of the adsorption tank one and the adsorption tank two is fixedly installed with the connecting pipe three; the outer side of the adsorption tank two is fixedly installed with an exhaust valve; and the lower end of the adsorption tank one and the adsorption tank two is provided with a pressure relief valve; the gas dried through the adsorption dryer flows into the adsorption tank one for adsorption drying, and then the air is secondarily treated through the adsorption tank two and then discharged through the exhaust valve.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] The oxygen generator provided by the utility model can remove water and dry, when the device is used to remove water and dry the air, the air is firstly frozen through the refrigeration dryer through the air inlet valve, the dried air enters the reaction shell through the connecting valve, and is dried through the calcium oxide drying plate, when the calcium oxide drying plate contacts with the air, the calcium oxide drying plate releases a large amount of heat through the chemical reaction with water, the released heat promotes the chemical reaction between the calcium oxide drying plate and the air, the silica gel drying plate also has enhanced adsorption performance in the environment with slightly higher temperature, the drying efficiency of the two is enhanced, and the overall drying effect of the device is further optimized. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a refrigeration dryer and adsorption dryer structure schematic view of the utility model;

[0015] Figure 3The utility model discloses an internal structure schematic drawing of adsorption type drying machine.

[0016] Figure 4 The utility model discloses a drying assembly one structure schematic drawing.

[0017] Figure 5 The utility model discloses an overall back structure schematic drawing.

[0018] Figure 6 The utility model discloses an overall back side structure schematic drawing.

[0019] In the drawing: 1, device frame, 2, refrigeration type drying machine, 21, inlet valve, 22, control panel, 23, connecting valve, 3, adsorption type drying machine, 31, reaction shell, 311, thread groove, 312, round tank, 313, limiting strip, 32, drying assembly one, 321, connecting plate, 322, handle one, 323, bolt, 324, place shell, 325, calcium oxide drying plate, 326, handle two, 33, drying assembly two, 331, silica gel drying plate, 4, adsorption tank two, 41, pressure -relief valve, 42, exhaust valve, 5, adsorption tank one, 51, connecting pipe two, 52, connecting pipe three, 53, support leg, 54, connecting pipe one. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.

[0021] In order to further understand the content of the utility model, the utility model is described in detail in combination with the drawings.

[0022] In combination with Figures 1-4The oxygen generator that can be dried, including device frame 1, the inside installation of device frame 1 has frozen drying machine 2, the inside installation of device frame 1 has adsorption drying machine 3, the inside installation of device frame 1 has adsorption tank one 5, the inside installation of device frame 1 has adsorption tank two 4, frozen drying machine 2 includes air inlet valve 21, the outside fixed installation of frozen drying machine 2 has control panel 22, the lower end fixed installation of frozen drying machine 2 has connection valve 23, the one end of connection valve 23 away from frozen drying machine 2 is fixedly connected with adsorption drying machine 3;Adsorption drying machine 3 includes reaction shell 31, the inside installation of reaction shell 31 has dry component one 32, dry component one 32 lower end is slidably provided with dry component two 33, the inside installation of dry component one 32 has calcium oxide drying plate 325, the inside installation of dry component two 33 has silica gel drying plate 331, dry component one 32 and dry component two 33 are the same in structure except silica gel drying plate 331, when calcium oxide drying plate 325 contacts with air, calcium oxide drying plate 325 releases a large amount of heat by chemical reaction with water, calcium oxide drying plate 325 first absorbs a large amount of water, in the reaction process, the humidity of the surrounding air will rapidly decrease, while the temperature increases, while silica gel drying plate 331 in the slightly higher temperature environment, the adsorption performance will also be enhanced, can further absorb the remaining small amount of water, and can prevent the release of water from the deliquescent product calcium hydroxide that may occur after calcium oxide drying plate 325 absorbs water, when the device is used to dry air, air is first passed through frozen drying machine 2 through air inlet valve 21 to be preliminary frozen, the dried air enters reaction shell 31 through connection valve 23, first passes through calcium oxide drying plate 325 to carry out drying reaction, when calcium oxide drying plate 325 contacts with air, calcium oxide drying plate 325 releases a large amount of heat by chemical reaction with water, the released heat promotes calcium oxide drying plate 325 to contact with air, calcium oxide drying plate 325 releases a large amount of heat by chemical reaction with water, silica gel drying plate 331 in the slightly higher temperature environment, the adsorption performance will also be enhanced, thereby enhancing the drying efficiency of both, further optimizing the overall drying effect of the device.

[0023] In combination Figures 2-3 , dry component one 32 includes connecting plate 321, the outside fixed installation of connecting plate 321 has handle one 322, the inside fixed installation of connecting plate 321 has multiple groups of placing shell 324, the inside of each group of placing shell 324 is slidably provided with calcium oxide drying plate 325, one end of calcium oxide drying plate 325 is fixedly installed with handle two 326, when it is necessary to replace calcium oxide drying plate 325, by pulling out connecting plate 321, calcium oxide drying plate 325 is removed from placing shell 324, and is replaced, the reaction time of placing calcium oxide drying plate 325 is too long to cause the drying efficiency to be reduced.

[0024] In combination Figure 3 , the two sides of the connecting plate 321 are threadedly installed with multiple groups of bolts 323 matched with the reaction shell 31; the reaction shell 31 is provided with multiple groups of threaded grooves 311 matched with the drying assembly one 32 and the drying assembly two 33, the drying assembly one 32 and the drying assembly two 33 are threadedly connected with the reaction shell 31 through the bolts 323, the drying assembly one 32 and the drying assembly two 33 are fixed with the reaction shell 31, and the drying assembly one 32 and the drying assembly two 33 can also be quickly disassembled through the bolts 323, so as to realize replacement of the silica gel drying plate 331 and the calcium oxide drying plate 325.

[0025] In combination Figure 3 , the upper end of the reaction shell 31 is provided with a circular groove 312 matched with the circular groove 312, and the inside of the reaction shell 31 is fixedly installed with multiple groups of limiting strips 313 matched with the placing shells 324, the drying gas in the reaction shell 31 is discharged through the adsorption tank one 5 and the adsorption tank two 4 through the circular groove 312, and the placing shells 324 are fixed when being pulled out through the limiting strips 313.

[0026] In combination Figure 1 , Figures 5-6 , the adsorption tank one 5 is connected with the adsorption dryer 3 through the connecting pipe one 54, the lower end of the adsorption tank one 5 is fixedly installed with a supporting leg 53, the adsorption tank one 5 and the adsorption tank two 4 are connected through the connecting pipe two 51, the adsorption tank one 5 and the adsorption tank two 4 are fixedly installed with the connecting pipe three 52 at the lower end, the outer side of the adsorption tank two 4 is fixedly installed with the exhaust valve 42, the lower end of the adsorption tank one 5 and the adsorption tank two 4 is provided with the pressure relief valve 41, the gas dried through the adsorption dryer 3 flows into the adsorption tank one 5 for adsorption drying, and then the air is secondarily treated through the adsorption tank two 4 and discharged through the exhaust valve 42.

[0027] Working principle: air first enters the refrigeration dryer 2 through the inlet valve 21 to carry out preliminary refrigeration drying, and then enters the reaction shell 31 of the adsorption dryer 3 through the connecting valve 23, contacts the calcium oxide drying plate 325 in the drying assembly one 32 first, the calcium oxide drying plate 325 reacts with water to quickly absorb a large amount of water and release heat, and the silica gel drying plate 331 enhances the adsorption performance in the high temperature environment to further adsorb a small amount of remaining water, the dried gas passes through the adsorption tank one 5 through the circular groove 312, and then passes through the adsorption tank two 4 for secondary treatment, and is discharged by the exhaust valve 42, the drying assembly one 32 and the drying assembly two 33 can be fixed or disassembled with the reaction shell 31 through the bolts 323 to facilitate replacement of the internal drying plate, the lower ends of the adsorption tank one 5 and the adsorption tank two 4 are provided with the pressure relief valve 41, and the two are connected through the connecting pipe two 51, the adsorption tank one 5 is also connected with the adsorption dryer 3 through the connecting pipe one 54 and supported by the supporting leg 53.

[0028] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0029] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments change, modify, replace and vary in many ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An oxygen generator capable of dehydration and drying, comprising a device frame (1), a refrigerated dryer (2) installed inside the device frame (1), an adsorption dryer (3) installed inside the device frame (1), an adsorption tank one (5) installed inside the device frame (1), and an adsorption tank two (4) installed inside the device frame (1), characterized in that: The refrigerated dryer (2) includes an air inlet valve (21), a control panel (22) is fixedly installed on the outside of the refrigerated dryer (2), and a connecting valve (23) is fixedly installed at the lower end of the refrigerated dryer (2). The end of the connecting valve (23) away from the refrigerated dryer (2) is fixedly connected to the adsorption dryer (3). The adsorption dryer (3) includes a reaction shell (31). A first drying component (32) is slidably installed inside the reaction shell (31). A second drying component (33) is slidably installed at the lower end of the first drying component (32). A calcium oxide drying plate (325) is slidably installed inside the first drying component (32). A silica gel drying plate (331) is slidably installed inside the second drying component (33). The first drying component (32) and the second drying component (33) have the same structure except for the silica gel drying plate (331). When the calcium oxide drying plate (325) comes into contact with air, it releases a large amount of heat through a chemical reaction with water. The calcium oxide drying plate (325) first and quickly absorbs a large amount of water. During the reaction, the ambient air humidity will decrease rapidly and the temperature will increase. The silica gel drying plate (331) will also have enhanced adsorption performance in a slightly higher temperature environment, and can further adsorb the remaining small amount of water. It can also prevent the deliquescent product calcium hydroxide that may appear after the calcium oxide drying plate (325) absorbs water from releasing water again.

2. The oxygen generator capable of dehydration and drying according to claim 1, characterized in that: The drying assembly 1 (32) includes a connecting plate (321), a handle 1 (322) is fixedly installed on the outside of the connecting plate (321), and multiple sets of placement shells (324) are fixedly installed on the inside of the connecting plate (321). A calcium oxide drying plate (325) is slidably installed inside each set of placement shells (324), and a handle 2 (326) is fixedly installed at one end of the calcium oxide drying plate (325).

3. The oxygen generator capable of dehydration and drying according to claim 2, characterized in that: The connecting plate (321) has multiple sets of bolts (323) threaded on both sides, and the bolts (323) are matched with the reaction shell (31).

4. The oxygen generator capable of dehydration and drying according to claim 3, characterized in that: The reaction shell (31) has multiple sets of threaded grooves (311) that match the drying component one (32) and the drying component two (33).

5. The oxygen generator capable of dehydration and drying according to claim 4, characterized in that: The upper end of the reaction shell (31) is provided with a circular groove (312), the circular groove (312) matches the circular groove (312), and multiple sets of limiting strips (313) are fixedly installed inside the reaction shell (31), the limiting strips (313) match the placement shell (324).

6. The oxygen generator capable of dehydration and drying according to claim 1, characterized in that: The first adsorption tank (5) is connected to the adsorption dryer (3) through the first connecting pipe (54). The lower end of the first adsorption tank (5) is fixedly installed with a support leg (53). The first adsorption tank (5) and the second adsorption tank (4) are connected through the second connecting pipe (51). The lower end of the first adsorption tank (5) and the second adsorption tank (4) are fixedly installed with the third connecting pipe (52). The outer side of the second adsorption tank (4) is fixedly installed with an exhaust valve (42). The lower end of the first adsorption tank (5) and the second adsorption tank (4) are both equipped with a pressure relief valve (41).

Citation Information

Patent Citations

  • Oxygenerator with dewatering and drying functions

    CN210229565U