CN215711777U

CN215711777U - PSA carbon molecular sieve oxygenerator

Info

Publication number: CN215711777U
Application number: CN202122156036.7U
Authority: CN
Inventors: 邱红; 薛冬
Original assignee: Jiangyin Rongchen Machinery Manufacturing Co ltd
Current assignee: Jiangyin Rongchen Machinery Manufacturing Co ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-02-01
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a PSA carbon molecular sieve oxygen production device, which comprises an air compressor; the air compressor is connected with an air collecting cavity through a pipeline, the air collecting cavity is connected with a filtering mechanism through a shunt pipe, and the filtering mechanism is connected with a connecting bin through the shunt pipe; according to the utility model, the filtering mechanism is arranged in the device, in the process of long-term use, excessive impurities adsorbed on the surface of the filter element affect the efficiency of filtering the impurities in the air, the electromagnetic valves at the upper end and the lower end of the filtering mechanism at one side below the shunt pipe can be closed to stop the filtering mechanism from filtering, then the electromagnetic valves at the upper end and the lower end of the filtering mechanism at the other side below the shunt pipe are opened to filter the compressed air through the filtering mechanism at the other side, and the filter element in the filtering mechanism which stops working is replaced, so that the work of preparing oxygen can be stopped, the uninterrupted work is realized, and the work efficiency of preparing oxygen is improved.

Description

PSA carbon molecular sieve oxygenerator

Technical Field

The utility model relates to the technical field of oxygen generation devices, in particular to a PSA carbon molecular sieve oxygen generation device.

Background

Oxygen is a substance on earth on which organisms live, is easy to generate chemical reaction with other substances to generate oxides, and can generate a large amount of heat in the oxidation reaction process, so that the oxygen is widely applied to departments of life, medical treatment, metallurgy, chemical industry, energy, machinery, national defense industry and the like, while the oxygen is pure, and high-purity oxygen is required to be used as a reaction raw material in many places in the industry, so that a PSA carbon molecular sieve oxygen generation device is needed.

The defects of the prior PSA carbon molecular sieve oxygen generation device are as follows:

1. the inside of current PSA carbon molecular sieve oxygenerator contains filter equipment, and at the in-process of long-term use, the inside screw cap of filter equipment adsorbs too many impurity, need with the device stall, then changes the screw cap, this moment, can influence the work efficiency of system oxygen.

2. In the process of using the molecular sieve in the existing PSA carbon molecular sieve oxygen generation device, when the molecular sieve is pulverized, the pulverized molecular sieve has a small volume after being pulverized, the mobility of the molecular sieve in the space can be increased, and after the mobility is increased, the molecular sieve particles around are under the air current scouring, so that the friction among the particles is increased, the pulverization of more adsorbent particles is caused, the chain reaction can seriously influence the service life of the molecular sieve, and therefore the PSA carbon molecular sieve oxygen generation device is provided to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a PSA carbon molecular sieve oxygen generation device to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a PSA carbon molecular sieve oxygen production device comprises an air compressor; the air compressor is connected with an air collecting cavity through a pipeline, the air collecting cavity is connected with a filtering mechanism through a shunt pipe, the filtering mechanism is connected with a connecting bin through the shunt pipe, the connecting bin is connected with a first adsorption tower and a second adsorption tower through pipelines, the first adsorption tower is connected with a three-way pipe through a pipeline, the three-way pipe is connected with an oxygen purifying tower through a pipeline, the oxygen purifying tower is connected with a flow meter through a pipeline, and the flow meter is connected with an oxygen storage tank through a pipeline;

the filtering mechanism comprises a filtering cavity, a threaded cover and a filter element, the filtering mechanism is symmetrically arranged below the shunt pipe, the bottom of the filtering cavity is connected with the threaded cover through threads, the filter element is arranged inside the filtering cavity and the threaded cover, the electromagnetic valve is arranged on the surface of the shunt pipe at the top of the filtering cavity, and the electromagnetic valve is arranged on the bottom of the threaded cover and the surface of the shunt pipe;

first adsorption tower is including cavity, lid, place net, molecular sieve body, sealing washer, standing groove, electric putter and fixed slot, there is the lid top of cavity through threaded connection, and the internally mounted of cavity has and places the net, the upper and lower both ends of placing the net both sides have been seted up the fixed slot, and the internally mounted who places the net has the molecular sieve body, the standing groove has been seted up to position department to the both sides and the fixed slot of cavity, and the internally mounted of standing groove has electric putter, electric putter's one end is fixed with the fixed slot block, and the junction of cavity and lid is provided with the sealing washer.

Preferably, the top center position of the air compressor is fixedly connected with the pipeline, and the surface of the pipeline close to the bottom end of the air compressor is provided with the electromagnetic valve.

Preferably, one end of the pipeline is connected with the top of the air collection cavity, and an electromagnetic valve is installed at the joint of the top of the air collection cavity and the pipeline.

Preferably, the bottom of the filtering cavity is connected with the connecting bin through a shunt pipe, and a pressure regulating valve is arranged between the filtering cavity and the connecting bin.

Preferably, the left side and the right side of the upper end of the connecting bin are symmetrically connected with a first adsorption tower and a second adsorption tower through pipelines, and electromagnetic valves are arranged at the bottoms of the first adsorption tower and the second adsorption tower, which are close to the pipelines.

Preferably, the internal structure of the second adsorption tower is the same as that of the first adsorption tower, and the top of the cover body and the top of the second adsorption tower are in through connection with a three-way pipe through a pipeline.

Preferably, the surface of the top of the oxygen purification tower, which is close to the pipeline, is provided with an electromagnetic valve, and the surface of the pipeline connected with the top of the oxygen storage tank is provided with an electromagnetic valve.

Preferably, one end of the connecting bin is provided with a waste gas outlet, and the surface of one end of the waste gas outlet, which is close to the connecting bin, is provided with an electromagnetic valve.

Preferably, the structure inside the oxygen purification tower is the same as that of the first adsorption tower, a first display screen is mounted on the surface of the oxygen purification tower, and an oxygen purity tester is arranged inside the oxygen purification tower.

Preferably, two ends of the flow meter are connected with the oxygen purification tower and the flow meter in a penetrating manner through pipelines, and a second display screen is arranged on the surface of the flow meter.

Compared with the prior art, the utility model has the beneficial effects that:

1. the utility model is provided with the filtering mechanism inside the device, compressed air is conveyed to the inside of the filtering mechanism at one side below the shunt pipe through the shunt pipe, the compressed air passes through the filter element to filter impurities, in the process of long-term use, the impurities adsorbed on the surface of the filter element are excessive, the efficiency of filtering the impurities in the air is influenced, the electromagnetic valves at the upper end and the lower end of the filtering mechanism at one side below the shunt pipe can be closed to stop the filtering mechanism from filtering, then electromagnetic valves at the upper end and the lower end of the filtering mechanism at the other side below the shunt pipe are opened, the compressed air is filtered through the inside of the filtering mechanism at the other side, the filter element inside the filter mechanism which stops working is replaced, at the moment, the work of preparing oxygen can not be stopped, and the continuous work is realized, so that the work efficiency of preparing oxygen is improved.

2. According to the utility model, the top of the connecting bin is connected with the first adsorption tower through the pipeline, when compressed air flows into the molecular sieve body, the electric push rods symmetrically arranged on two sides above the placing net are clamped and fixed with the fixing grooves, so that the molecular sieve body inside the placing net can be kept stable to a certain extent, and thus the molecular sieve body is prevented from being pulverized in the long-term preparation process, the size of the molecular sieve body is reduced after the molecular sieve body is pulverized, the fluidity of the molecular sieve body in the space is increased, and the friction among particles is increased under the action of airflow scouring of the surrounding molecular sieve body particles after the flow is increased, so that more adsorbent particles are pulverized, and the efficiency of preparing oxygen by the molecular sieve body is influenced.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the internal structure of a first adsorption tower of the present invention;

FIG. 3 is a schematic view of the internal structure of an oxygen purification column according to the present invention;

fig. 4 is a schematic view of the internal structure of the filter mechanism of the present invention.

In the figure: 1. an air compressor; 2. a pipeline; 3. an air collection chamber; 4. a filtering mechanism; 401. a filter chamber; 402. a threaded cap; 403. a filter element; 5. a connecting bin; 6. a first adsorption tower; 601. a cavity; 602. a cover body; 603. placing a net; 604. a molecular sieve body; 605. a seal ring; 606. a placement groove; 607. an electric push rod; 608. fixing grooves; 7. a second adsorption column; 8. a three-way pipe; 9. an oxygen purification column; 10. a first display screen; 10. a first display screen; 1001. an oxygen purity tester; 11. a flow meter; 1101. a second display screen; 12. an oxygen storage tank; 13. an electromagnetic valve; 14. a pressure regulating valve; 15. an exhaust gas outlet; 16. and (4) dividing the tube.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, an embodiment of the present invention is shown: a PSA carbon molecular sieve oxygen generation device comprises an air compressor 1; an air collecting cavity 3 is connected with an air compressor 1 through a pipeline 2, the air collecting cavity 3 is connected with a filtering mechanism 4 through a shunt pipe 16, the filtering mechanism 4 is connected with a connecting bin 5 through the shunt pipe 16, the connecting bin 5 is connected with a first adsorption tower 6 and a second adsorption tower 7 through a pipeline 2, the first adsorption tower 6 is connected with a three-way pipe 8 through the pipeline 2, the three-way pipe 8 is connected with an oxygen purifying tower 9 through the pipeline 2, the oxygen purifying tower 9 is connected with a flow meter 11 through the pipeline 2, and the flow meter 11 is connected with an oxygen storage tank 12 through the pipeline 2;

the filtering mechanism 4 comprises a filtering cavity 401, a threaded cover 402 and a filter element 403, the filtering mechanism 4 is symmetrically arranged below the shunt tube 16, the bottom of the filtering cavity 401 is connected with the threaded cover 402 through threads, the filter element 403 is arranged inside the filtering cavity 401 and the threaded cover 402, the electromagnetic valve 13 is arranged on the surface of the shunt tube 16 at the top of the filtering cavity 401, and the electromagnetic valve 13 is arranged on the surfaces of the bottom of the threaded cover 402 and the shunt tube 16;

the first adsorption tower 6 comprises a cavity 601, a cover body 602, a placing net 603, a molecular sieve body 604, a sealing ring 605, a placing groove 606, an electric push rod 607 and a fixing groove 608, wherein the cover body 602 is connected above the cavity 601 through threads, the placing net 603 is installed in the cavity 601, the fixing grooves 608 are formed in the upper end and the lower end of the two sides of the placing net 603, the molecular sieve body 604 is installed in the placing net 603, the placing groove 606 is formed in the position corresponding to the two sides of the cavity 601 and the fixing groove 608, the electric push rod 607 is installed in the placing groove 606, one end of the electric push rod 607 is fixedly clamped with the fixing groove 608, and the sealing ring 605 is arranged at the joint of the cavity 601 and the cover body 602;

specifically, as shown in fig. 1, 2 and 3, when the device is used, air is delivered to the inside of the air compressor 1 to compress the air, after the compression is completed, the electromagnetic valve 13 at the top of the air compressor 1 is opened, the air compressed in the air compressor 1 is delivered to the inside of the air collection chamber 3 through the pipeline 2, then the electromagnetic valve 13 at the top of the air collection chamber 3 is opened, the compressed air is delivered to the inside of the filtering mechanism 4 at one side below the shunt pipe 16 through the shunt pipe 16, the compressed air passes through the filter element 403 to filter impurities, during the long-term use, the impurities adsorbed on the surface of the filter element 403 are too much, which affects the efficiency of filtering the impurities in the air, the electromagnetic valves 13 at the upper and lower ends of the filtering mechanism 4 at one side below the shunt pipe 16 can be closed to stop the filtering mechanism 4 from filtering, then the electromagnetic valves 13 at the upper and lower ends of the filtering mechanism 4 at the other side below the shunt pipe 16 are opened, the compressed air is filtered through the inside of the filtering mechanism 4 at the other side, the filter element 403 in the filtering mechanism 4 which stops working is replaced, at the moment, the work of preparing oxygen is not stopped, the uninterrupted work is realized, thereby the work efficiency of preparing oxygen is improved, then the filtered air is conveyed to the inside of the connecting bin 5 through the shunt pipe 16, because the surface of the shunt pipe 16 is provided with the pressure regulating valve 14, the air pressure in the first adsorption tower 6 and the second adsorption tower 7 can be regulated, the circulation speed of the air in the first adsorption tower 6 is regulated, the connecting bin 5 is conveyed to the first adsorption tower 6 and the second adsorption tower 7, the compressed air enters the inside of the first adsorption tower 6 from the inside of the pipeline 2, at the moment, the compressed air flows into the inside of the molecular sieve body 604, the electric push rods 607 symmetrically arranged at two sides above the net 603 are clamped and fixed with the fixing groove 608, the molecular sieve body 604 in the placing net 603 can be kept stable to a certain extent, so that the molecular sieve body 604 is prevented from being pulverized in the long-term preparation process, the size of the molecular sieve body 604 is reduced after the pulverization, the fluidity of the molecular sieve body 604 in the space is increased, after the fluidity is increased, the friction among particles is increased under the condition that the particles of the molecular sieve body 604 are flushed by air flow, and further the pulverization of more adsorbent particles is caused, so that the oxygen preparation efficiency of the molecular sieve body 604 is influenced, the electric push rod 607 can be separated from the inside of the fixing groove 608 by the separation of the cavity 601 and the cover body 602, the placing net 603 drives the molecular sieve body 604 to be taken out from the inside of the cavity 601 for replacement, the use is convenient, the oxygen preparation efficiency is prevented from being influenced by the molecular sieve body 604, and because the structures of the first adsorption tower 6 and the second adsorption tower 7 are the same, the oxygen in the air can be uninterruptedly extracted, the work can be carried out without intermission, so that the work efficiency of oxygen preparation is increased, then the electromagnetic valve 13 at the top of the first adsorption tower 6 is opened, the prepared oxygen enters the oxygen purifying tower 9 through the pipeline 2 and the three-way pipe 8, the oxygen purifying tower 9 is arranged to purify the oxygen again, so that the speed of preparing the oxygen is ensured, the oxygen purity inside the oxygen purifying tower 9 is detected by using the oxygen purity tester 1001, and is displayed by the first display screen 10, so that a worker can observe the oxygen purity inside the oxygen purifying tower 9 in real time, the electromagnetic valve 13 inside the oxygen purifying tower 9 is arranged to facilitate the discharge of the purified oxygen inside the oxygen purifying tower 9, the electromagnetic valve 13 at the top of the oxygen storage tank 12 is opened, so that the oxygen inside the oxygen purifying tower 9 can enter the oxygen storage tank 12 through the pipeline 2, then close solenoid valve 13, oxygen storage tank 12 stores oxygen, with oxygen preparation in the air after, open solenoid valve 13 through the controller, then the solenoid valve 13 of first adsorption tower 6 and second adsorption tower 7 bottom is opened, then the inside waste gas of first adsorption tower 6 and second adsorption tower 7 can pass through pipeline 2 and enter into the inside of connecting storehouse 5, then discharge waste gas to the collecting box inside through exhaust outlet 15, follow-up unified processing.

Further, the center of the top of the air compressor 1 is fixedly connected with the pipeline 2, and the surface of the pipeline 2 close to the bottom end of the air compressor 1 is provided with an electromagnetic valve 13;

specifically, as shown in fig. 1, 2 and 3, the air is delivered to the inside of the air compressor 1, the air is compressed, the electromagnetic valve 13 at the top of the air compressor 1 is opened after the compression is completed, the air compressed inside the air compressor 1 is delivered to the inside of the air collection cavity 3 through the pipeline 2, and the air is stored in the air collection cavity 3.

Furthermore, one end of the pipeline 2 is connected with the top of the air collection cavity 3, and a solenoid valve 13 is arranged at the joint of the top of the air collection cavity 3 and the pipeline 2;

specifically, as shown in fig. 1, 2 and 3, the compressed air inside the air compressor 1 is delivered to the inside of the air collection chamber 3 through the duct 2, and is stored in the air collection chamber 3.

Further, the bottom of the filter cavity 401 is connected with the connecting bin 5 through a shunt pipe 16, and a pressure regulating valve 14 is arranged between the filter cavity 401 and the connecting bin 5;

specifically, as shown in fig. 1, 2 and 3, the filtering mechanism 4 filters impurities and dust in the air, and after filtering, the filtered air can be conveyed to the inside of the connecting bin 5 through the shunt pipe 16, and the pressure regulating valve 14 is arranged to regulate the air pressure inside the device, so as to regulate the circulation speed of the air inside the device.

Further, the left side and the right side of the upper end of the connecting bin 5 are symmetrically connected with a first adsorption tower 6 and a second adsorption tower 7 through a pipeline 2, and electromagnetic valves 13 are arranged at the bottoms of the first adsorption tower 6 and the second adsorption tower 7, which are close to the bottom of the pipeline 2;

specifically, as shown in fig. 1, 2 and 3, compressed air is introduced into the interior of the connection silo 5 through the pipe 2, and then is transferred to the first adsorption tower 6 and the second adsorption tower 7 through the connection silo 5, and the first adsorption tower 6 and the second adsorption tower 7 are sequentially operated.

Further, the internal structure of the second adsorption tower 7 is the same as that of the first adsorption tower 6, and the top of the cover 602 and the top of the second adsorption tower 7 are connected with the three-way pipe 8 through the pipeline 2;

specifically, as shown in fig. 1, 2 and 3, the first adsorption tower 6 and the second adsorption tower 7 have the same structure, and can extract oxygen in the air without interruption, and can operate without interruption, thereby increasing the operating efficiency of oxygen production.

Further, an electromagnetic valve 13 is arranged on the top of the oxygen purifying tower 9 close to the surface of the pipeline 2, and the electromagnetic valve 13 is arranged on the surface of the pipeline 2 connected with the top of the oxygen storage tank 12;

specifically, as shown in fig. 1, 2 and 3, the arrangement of the electromagnetic valve 13 inside the oxygen purifying tower 9 can facilitate the discharge of the purified oxygen inside the oxygen purifying tower 9, open the electromagnetic valve 13 at the top of the oxygen storage tank 12, facilitate the entry of the oxygen inside the oxygen purifying tower 9 into the oxygen storage tank 12 through the pipeline 2, then close the electromagnetic valve 13, and store the oxygen in the oxygen storage tank 12.

Further, one end of the connecting bin 5 is provided with a waste gas outlet 15, and the surface of one end, close to the connecting bin 5, of the waste gas outlet 15 is provided with an electromagnetic valve 13;

specifically, as shown in fig. 1, 2 and 3, after the preparation of oxygen in the air is completed, the electromagnetic valve 13 is opened by the controller, then the electromagnetic valves 13 at the bottoms of the first adsorption tower 6 and the second adsorption tower 7 are opened, then the exhaust gas in the first adsorption tower 6 and the second adsorption tower 7 enters the interior of the connecting bin 5 through the pipeline 2, and then the exhaust gas is discharged into the collecting box through the exhaust gas outlet 15, and then the uniform treatment is performed subsequently.

Further, the structure inside the oxygen purifying tower 9 is the same as that of the first adsorption tower 6, a first display screen 10 is installed on the surface of the oxygen purifying tower 9, and an oxygen purity tester 1001 is arranged inside the oxygen purifying tower 9;

specifically, as shown in fig. 1, 2 and 3, the oxygen purifying tower 9 is configured to purify oxygen again, so as to ensure the oxygen preparation rate, and the oxygen purity tester 1001 is used to detect the oxygen purity inside the oxygen purifying tower 9, and a first display screen 10 is provided to display the oxygen purity, so that a worker can observe the oxygen purity inside the oxygen purifying tower 9 in real time.

Further, two ends of the flow meter 11 are connected with the oxygen purification tower 9 and the flow meter 11 through a pipeline 2, and a second display screen 1101 is installed on the surface of the flow meter 11;

specifically, as shown in fig. 1, fig. 2 and fig. 3, after the preparation of oxygen is completed, when the oxygen purifying tower 9 is to purify, the electromagnetic valve 13 above the oxygen purifying tower 9 is opened, then oxygen in the oxygen purifying tower 9 can flow into the inside of the pipeline 2 through the electromagnetic valve 13, and then the oxygen inside the pipeline 2 can pass through the inside of the flow meter 11, and the flow meter 11 is arranged to be able to detect the flow of oxygen inside the pipeline 2, so as to be able to detect the efficiency of the device for preparing oxygen.

The working principle is as follows: as shown in fig. 1, 2, 3 and 4, when the device is used, air is delivered to the inside of the air compressor 1 to compress the air, after the compression is completed, the electromagnetic valve 13 at the top of the air compressor 1 is opened to deliver the air compressed in the air compressor 1 to the inside of the air collection chamber 3 through the pipeline 2, then the electromagnetic valve 13 at the top of the air collection chamber 3 is opened to deliver the compressed air to the inside of the filtering mechanism 4 at one side below the shunt pipe 16 through the shunt pipe 16, so that the compressed air passes through the filter element 403 to filter impurities, during long-term use, too many impurities adsorbed on the surface of the filter element 403 affect the efficiency of filtering the impurities in the air, the electromagnetic valves 13 at the upper and lower ends of the filtering mechanism 4 at one side below the shunt pipe 16 can be closed to stop the filtering mechanism 4, then the electromagnetic valves 13 at the upper and lower ends of the filtering mechanism 4 at the other side below the shunt pipe 16 are opened, the compressed air is filtered through the inside of the filtering mechanism 4 at the other side, the filter element 403 in the filtering mechanism 4 which stops working is replaced, at the moment, the work of preparing oxygen is not stopped, the uninterrupted work is realized, thereby the work efficiency of preparing oxygen is improved, then the filtered air is conveyed to the inside of the connecting bin 5 through the shunt pipe 16, because the surface of the shunt pipe 16 is provided with the pressure regulating valve 14, the air pressure in the first adsorption tower 6 and the second adsorption tower 7 can be regulated, the circulation speed of the air in the first adsorption tower 6 is regulated, the connecting bin 5 is conveyed to the first adsorption tower 6 and the second adsorption tower 7, the compressed air enters the inside of the first adsorption tower 6 from the inside of the pipeline 2, at the moment, the compressed air flows into the inside of the molecular sieve body 604, the electric push rods 607 symmetrically arranged at two sides above the net 603 are clamped and fixed with the fixing groove 608, the molecular sieve body 604 in the placing net 603 can be kept stable to a certain extent, so that the situation that the size of the molecular sieve body 604 is reduced after the molecular sieve body 604 is pulverized due to the generation of pulverized molecular sieve body 604 in the long-term preparation process is avoided, the mobility of the molecular sieve body 604 in the space is increased, the friction among particles is increased under the condition that the particles of the molecular sieve body 604 around after the flow is increased are flushed by air flow, and further the pulverization of more adsorbent particles is caused, so that the efficiency of preparing oxygen by the molecular sieve body 604 is influenced, the molecular sieve body 604 can be separated from the inside of the fixing groove 608 through the cavity 601 and the cover body 602, the placing net 603 drives the molecular sieve body 604 to be taken out from the inside of the cavity 601 for replacement, the use is convenient, the influence of the oxygen preparation efficiency caused by the molecular sieve body 604 is avoided, and because the structures of the first adsorption tower 6 and the second adsorption tower 7 are the same, the oxygen in the air can be uninterruptedly extracted, the work can be carried out without intermission, so that the work efficiency of oxygen preparation is increased, then the electromagnetic valve 13 at the top of the first adsorption tower 6 is opened, the prepared oxygen enters the oxygen purifying tower 9 through the pipeline 2 and the three-way pipe 8, the oxygen purifying tower 9 is arranged to purify the oxygen again, so that the speed of preparing the oxygen is ensured, the oxygen purity inside the oxygen purifying tower 9 is detected by using the oxygen purity tester 1001, and is displayed by the first display screen 10, so that a worker can observe the oxygen purity inside the oxygen purifying tower 9 in real time, the electromagnetic valve 13 inside the oxygen purifying tower 9 is arranged to facilitate the discharge of the purified oxygen inside the oxygen purifying tower 9, the electromagnetic valve 13 at the top of the oxygen storage tank 12 is opened, so that the oxygen inside the oxygen purifying tower 9 can enter the oxygen storage tank 12 through the pipeline 2, then close solenoid valve 13, oxygen storage tank 12 stores oxygen, with oxygen preparation in the air after, open solenoid valve 13 through the controller, then the solenoid valve 13 of first adsorption tower 6 and second adsorption tower 7 bottom is opened, then the inside waste gas of first adsorption tower 6 and second adsorption tower 7 can pass through pipeline 2 and enter into the inside of connecting storehouse 5, then discharge waste gas to the collecting box inside through exhaust outlet 15, follow-up unified processing.

The utility model is not described in detail, but is well known to those skilled in the art.

Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. A PSA carbon molecular sieve oxygen production device comprises an air compressor (1); the method is characterized in that: the air compressor is characterized in that an air collecting cavity (3) is connected to the air compressor (1) through a pipeline (2), the air collecting cavity (3) is connected with a filtering mechanism (4) through a shunt pipe (16), the filtering mechanism (4) is connected with a connecting bin (5) through the shunt pipe (16), the connecting bin (5) is connected with a first adsorption tower (6) and a second adsorption tower (7) through the pipeline (2), the first adsorption tower (6) is connected with a three-way pipe (8) through the pipeline (2), the three-way pipe (8) is connected with an oxygen purifying tower (9) through the pipeline (2), the oxygen purifying tower (9) is connected with a flow meter (11) through the pipeline (2), and the flow meter (11) is connected with an oxygen storage tank (12) through the pipeline (2);

the filtering mechanism (4) comprises a filtering cavity (401), a threaded cover (402) and a filter element (403), the filtering mechanism (4) is symmetrically arranged below the shunt pipe (16), the bottom of the filtering cavity (401) is connected with the threaded cover (402) through threads, the filter element (403) is arranged inside the filtering cavity (401) and the threaded cover (402), the electromagnetic valve (13) is arranged on the surface of the shunt pipe (16) at the top of the filtering cavity (401), and the electromagnetic valve (13) is arranged on the bottom of the threaded cover (402) and the surface of the shunt pipe (16);

the first adsorption tower (6) comprises a cavity (601), a cover body (602), a placing net (603), a molecular sieve body (604), a sealing ring (605), a placing groove (606), an electric push rod (607) and a fixing groove (608), the cover body (602) is connected above the cavity (601) through threads, a placing net (603) is arranged in the cavity (601), fixing grooves (608) are arranged at the upper end and the lower end of the two sides of the placing net (603), a molecular sieve body (604) is arranged in the placing net (603), placing grooves (606) are arranged at the positions corresponding to the fixing grooves (608) on the two sides of the cavity (601), an electric push rod (607) is arranged in the placing groove (606), one end of the electric push rod (607) is clamped and fixed with the fixing groove (608), and a sealing ring (605) is arranged at the joint of the cavity (601) and the cover body (602).

2. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the top center position department and pipeline (2) fixed connection of air compressor machine (1), pipeline (2) are close to the bottom surface mounting of air compressor machine (1) have solenoid valve (13).

3. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: one end of the pipeline (2) is connected with the top of the air collection cavity (3), and an electromagnetic valve (13) is installed at the joint of the top of the air collection cavity (3) and the pipeline (2).

4. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the bottom of the filter cavity (401) is connected with the connecting bin (5) through a shunt pipe (16), and a pressure regulating valve (14) is arranged between the filter cavity (401) and the connecting bin (5).

5. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the left and right sides of the upper end of the connecting bin (5) are symmetrically connected with a first adsorption tower (6) and a second adsorption tower (7) through a pipeline (2), and electromagnetic valves (13) are installed at the bottoms of the first adsorption tower (6) and the second adsorption tower (7) close to the bottom of the pipeline (2).

6. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the internal structure of the second adsorption tower (7) is the same as that of the first adsorption tower (6), and the top of the cover body (602) and the top of the second adsorption tower (7) are in through connection with the three-way pipe (8) through a pipeline (2).

7. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the surface of the top of the oxygen purifying tower (9) close to the pipeline (2) is provided with an electromagnetic valve (13), and the surface of the pipeline (2) connected with the top of the oxygen storage tank (12) is provided with the electromagnetic valve (13).

8. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: one end of the connecting bin (5) is provided with a waste gas outlet (15), and the surface of one end, close to the connecting bin (5), of the waste gas outlet (15) is provided with an electromagnetic valve (13).

9. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: the structure of the interior of the oxygen purifying tower (9) is the same as that of the first adsorption tower (6), a first display screen (10) is mounted on the surface of the oxygen purifying tower (9), and an oxygen purity tester (1001) is arranged inside the oxygen purifying tower (9).

10. The PSA carbon molecular sieve oxygen generation device according to claim 1, wherein: two ends of the flow meter (11) are connected with the oxygen purification tower (9) and the flow meter (11) in a penetrating way through a pipeline (2), and a second display screen (1101) is arranged on the surface of the flow meter (11).