CN213202370U

CN213202370U - High-efficient vacuum pressure swing adsorption oxygenerator of VSPA

Info

Publication number: CN213202370U
Application number: CN202022250046.2U
Authority: CN
Inventors: 蔡利军; 李丕阳; 王冰; 黄光玉; 黄梅
Original assignee: Zhejiang Zhengda Air Separation Equipment Co ltd
Current assignee: Zhejiang Zhengda Air Separation Equipment Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-14
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a high-efficient vacuum pressure swing adsorption oxygenerator of VSPA, including desorber A and desorber B, air cleaner is installed to one side on the air-blower, and the inside on the air cleaner is provided with ultraviolet lamp, the last one end of ultraviolet lamp is provided with the filter material, and the filter material keeps away from the position of the vertical central line of air cleaner and installs the filter screen, oxygen discharge valve is installed to the last party of desorber A, desorber B installs the opposite side on desorber A, the bypass pipe is installed to the intermediate position on desorber A and the desorber B, desorber A all is connected with the oxygen delivery pipe with desorber B upper end one end, and pressure sensor is installed to the both sides of oxygen delivery pipe. This high-efficient vacuum pressure swing adsorption oxygenerator of VSPA is provided with ultraviolet lamp and can disinfects to the air in the air cleaner, sneaks into toxic gas impurity in avoiding the air, causes the influence to follow-up system oxygen.

Description

High-efficient vacuum pressure swing adsorption oxygenerator of VSPA

Technical Field

The utility model relates to an oxygen generation technical field specifically is a high-efficient vacuum pressure swing adsorption oxygenerator of VSPA.

Background

The vacuum pressure swing adsorption oxygen generator utilizes the adsorption characteristic of zeolite molecular sieve to nitrogen, and utilizes the switching action of adsorption tower to form positive pressure adsorption, and vacuum desorption can obtain circulation process to implement separation of oxygen and nitrogen in the air so as to continuously prepare the required industrial oxygen.

Current vacuum pressure swing adsorption oxygenerator simple structure, efficiency is lower, and lacks filter equipment, can lead to making oxygen purity not enough, can not be fine satisfy people's user demand, to the above-mentioned condition, carries out technical innovation on current VSPA high-efficient vacuum pressure swing adsorption oxygenerator basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient vacuum pressure swing adsorption oxygenerator of VSPA to propose current vacuum pressure swing adsorption oxygenerator simple structure in solving above-mentioned background, efficiency is lower, and lacks filter equipment, can lead to making oxygen purity not enough, the not fine user demand problem of satisfying people.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high-efficient vacuum pressure swing adsorption oxygenerator of VSPA, includes desorber A and desorber B, one side on the desorber A is connected with A tower intake pipe, and one side in A tower intake pipe is connected with the air-blower, air cleaner is installed to one side on the air-blower, and the inside on the air cleaner is provided with ultraviolet lamp, the last one end of ultraviolet lamp is provided with the filter material, and the filter material keeps away from the position of the vertical central line of air cleaner and installs the filter screen, one side on the air cleaner is provided with the nitrogen gas entry, and the nitrogen gas gate valve is installed to the party on the nitrogen gas entry, the party on the nitrogen gas gate valve is provided with the air inlet, oxygen discharge valve is installed to the party on the desorber A, the opposite side on desorber A is installed, one side of the desorption tower B is connected with a tower B air inlet pipe, one side of the tower B air inlet pipe is provided with a vacuum discharge pipe, one side of the vacuum discharge pipe is provided with a vacuum pump, one side of the vacuum pump is provided with a desorption gas forward discharge pipe, the upper ends of the desorption tower A and the desorption tower B are both connected with an oxygen discharge pipe, and two sides of the oxygen discharge pipe are provided with pressure sensors, one side of the upper end of each pressure sensor is provided with an oxygen discharge header pipe, one side of the oxygen discharge header pipe is provided with a self-operated pressure valve, one side of the self-operated pressure valve is provided with a buffer tank, one side of the buffer tank is provided with an oxygen discharge port, the outer side of the air blower is connected with a PLC controller through a lead, the PLC controller is electrically connected with an ultraviolet lamp through a lead, and the, and the PLC controller is electrically connected with the pressure sensor through a wire, and is electrically connected with the vacuum pump through a wire.

Preferably, the oxygen discharge valve forms a communicating structure with the tower A air inlet pipe through an air filter and a blower, and the filter screen is in a hollow net shape.

Preferably, the desorption tower A and the desorption tower B form a communication structure through a desorption gas forward-discharging pipe, and the desorption tower A and the desorption tower B form a communication structure through an oxygen discharge pipe, an oxygen discharge main pipe and a buffer tank.

Preferably, the inside of the analyzing gas forward-discharging pipe is provided with an analyzing gas forward-discharging valve, the inside of the vacuum discharging pipe is provided with a vacuum discharging valve, one side of the air inlet is provided with an air inlet valve, and the inside of the bypass pipe is provided with a bypass pipe air inlet valve.

Preferably, the oxygen discharge valve is in threaded connection with the oxygen discharge pipe, and the self-operated pressure valve is in threaded connection with the oxygen discharge main pipe.

Preferably, the ultraviolet lamps are symmetrically distributed about the vertical center line of the air filter, and the filter materials are uniformly distributed along the interior of the filter screen.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the oxygen discharge valve provides a channel for air to enter, the blower can be pressurized to facilitate air to enter, the desorption tower A and the desorption tower B are conveniently discharged by the desorption gas forward-releasing pipe, the buffer tank buffers internal gas, the pressure sensors monitor the pressure in the desorption tower A and the desorption tower B in real time, the vacuum pump is opened and closed to control the vacuum discharge in the desorption tower A and the desorption tower B, and the self-operated pressure valve regulates and controls the pressure in the oxygen discharge main pipe, so that the problems of single structure and low efficiency of the conventional vacuum pressure swing adsorption oxygen generation device are solved; the filter screen can filter impurities in the air, and the filter material can adsorb a part of impurities, so that the filtering effect is improved, and the problem of insufficient oxygen production purity caused by lack of a filtering device is avoided; ultraviolet lamp can disinfect to the air in the air cleaner, sneaks into toxic gas impurity in avoiding the air, causes the influence to follow-up system oxygen, greatly increased this kind of VSPA high-efficient vacuum pressure swing adsorption oxygenerator's practicality.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the air filter of the present invention;

fig. 3 is a schematic connection diagram of the electrical components of the present invention.

In the figure: 1. a desorber A; 2. a desorber B; 3. an oxygen discharge valve; 4. an air filter; 5. a blower; 6. a tower A gas inlet pipe; 7. a tower B gas inlet pipe; 8. a vacuum exhaust pipe; 9. a pressure sensor; 10. a self-operated pressure valve; 11. an oxygen discharge pipe; 12. a buffer tank; 13. a vacuum pump; 14. an ultraviolet lamp; 15. a filter screen; 16. filtering the material; 17. desorption gas is discharged from the pipe; 18. a PLC controller; 19. an oxygen discharge manifold; 20. a muffler; 21. an oxygen outlet; 22. a nitrogen inlet; 23. a bypass pipe; 24. a nitrogen gate valve; 25. an air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a VSPA high-efficiency vacuum pressure swing adsorption oxygen generation device comprises a desorption tower A1 and a desorption tower B2, one side of a desorption tower A1 is connected with a tower A air inlet pipe 6, one side of the tower A air inlet pipe 6 is connected with an air blower 5, one side of the air blower 5 is provided with an air filter 4, an ultraviolet lamp 14 is arranged in the air filter 4, one end of the ultraviolet lamp 14 is provided with a filter material 16, a filter screen 15 is arranged at a position, far away from the vertical central line of the air filter 4, of the filter material 16, an oxygen discharge valve 3 forms a communication structure with the tower A air inlet pipe 6 through the air filter 4 and the air blower 5, the filter screen 15 is in a hollow net shape, the ultraviolet lamp 14 is symmetrically distributed about the vertical central line of the air filter 4, the filter material 16 is uniformly distributed along the inner part of the filter screen 15, the air blower 5 can pressurize to facilitate the entering, toxic gas impurities are prevented from being mixed in the air, so that the subsequent oxygen generation is influenced, and the practicability of the VSPA high-efficiency vacuum pressure swing adsorption oxygen generation device is greatly improved;

one side of the air filter 4 is provided with a nitrogen inlet 22, one side of the nitrogen inlet 22 is provided with a nitrogen gate valve 24, one side of the nitrogen gate valve 24 is provided with an air inlet 25, one side of the desorption tower A1 is provided with an oxygen discharge valve 3, the desorption tower B2 is arranged at the other side of the desorption tower A1, a bypass pipe 23 is arranged at the middle position of the desorption tower A1 and the desorption tower B2, one side of the desorption tower B2 is connected with a tower B air inlet pipe 7, one side of the tower B air inlet pipe 7 is provided with a vacuum discharge pipe 8, one side of the vacuum discharge pipe 8 is provided with a vacuum pump 13, one side of the vacuum pump 13 is provided with a silencer 20, one side of the vacuum pump 13 is provided with a desorption gas cis-discharging pipe 17, the desorption gas cis-discharging pipe 17 is internally provided with a desorption gas cis-, a bypass air inlet valve is arranged in the bypass pipe 23, an oxygen discharge pipe 11 is connected with one end of the upper ends of the desorption tower A1 and the desorption tower B2, pressure sensors 9 are arranged on two sides of the oxygen discharge pipe 11, an oxygen discharge main pipe 19 is arranged on one end of the pressure sensor 9, a self-operated pressure valve 10 is arranged on one side of the oxygen discharge main pipe 19, a desorption tower A1 forms a communication structure with the desorption tower B2 through a desorption gas cis-discharging pipe 17, a desorption tower A1 and a desorption tower B2 form a communication structure with the buffer tank 12 through the oxygen discharge pipe 11 and the oxygen discharge main pipe 19, the oxygen discharge valve 3 is in threaded connection with the oxygen discharge pipe 11, the self-operated pressure valve 10 is in threaded connection with the oxygen discharge main pipe 19, the desorption tower A1 and the desorption tower B2 are conveniently discharged through the desorption gas cis-discharging pipe 17, the buffer tank 12 buffers the internal gas, the oxygen discharge valve 3 controls the discharge of oxygen in the desorption tower A1 and the desorption tower B2, and the self-operated pressure valve 10 regulates and controls the pressure in the oxygen discharge header pipe 19, so that the problems of single structure and low efficiency of the conventional vacuum pressure swing adsorption oxygen generation device are solved;

the buffer tank 12 is installed on one side of the self-operated pressure valve 10, an oxygen outlet 21 is formed in one side of the buffer tank 12, the outer side of the air blower 5 is connected with the PLC 18 through a lead, the PLC 18 is electrically connected with the ultraviolet lamp 14 through a lead, the PLC 18 is electrically connected with the air blower 5 through a lead, the PLC 18 is electrically connected with the pressure sensor 9 through a lead, meanwhile, the PLC 18 is electrically connected with the vacuum pump 13 through a lead, the pressure sensor 9 monitors the pressure in the desorption tower A1 and the desorption tower B2 in real time, and the vacuum pump 13 is opened and closed to control the vacuum discharge in the desorption tower A1 and the desorption tower B2.

The working principle of the VSPA1 high-efficiency vacuum pressure swing adsorption oxygen generation device is as follows: when the VSPA1 high-efficiency vacuum pressure swing adsorption oxygen generation device is used, firstly, the automation degree of the device for use can be improved through the arranged PLC 18, the PLC 18 can be electrically connected with an actuator through a lead, the actuator comprises an air blower 5, an air filter 4, an ultraviolet lamp 14, a vacuum pump 13, a program control valve and the like, the program control valve specifically comprises an oxygen discharge valve 3, a nitrogen gate valve 24, a vacuum discharge valve, an analytic gas forward release valve, an air inlet valve, a bypass pipe air inlet valve and a self-operated pressure valve 10, the arranged oxygen discharge valve 3, the nitrogen gate valve 24, the vacuum discharge valve, the analytic gas forward release valve, the air inlet valve, the bypass pipe air inlet valve and the self-operated pressure valve 10 are electrically connected with the PLC 18 through leads, all the arranged valves are arranged on corresponding pipelines, so that the opening and closing of the pipelines can be controlled, and the air blower 5 is started, the blower 5 works to introduce air into the oxygen discharge valve 3 from the air inlet 25, the air filter 4 is powered on to work, when the air passes through the air filter 4, the air can be filtered by the filter screen 15, the filter material 16 filled in the filter screen 15 adsorbs impurities in the air, the ultraviolet lamp 14 is powered on to work, the ultraviolet lamp 14 can sterilize and disinfect the air to avoid toxic gas impurities mixed in the air and influence on subsequent oxygen production, the purified air enters the desorption tower A1 from the tower A air inlet pipe 6 and enters the desorption tower B2 from the tower B air inlet pipe 7, the vacuum pump 13 is powered on to work, the gas in the desorption tower A1 and the desorption tower B2 is vacuumized and desorbed through the vacuum discharge pipe 8, the pressure sensor 9 monitors the pressure in the desorption tower A1 and the desorption tower B2 in real time and transmits data to the PLC 18, the oxygen in the desorption tower A1 and the desorption tower B2 is discharged into the oxygen discharge header pipe 19 through the oxygen discharge pipe 11, opening the self-operated pressure valve 10, discharging oxygen in an oxygen discharge header pipe 19 by the self-operated pressure valve 10, leading the gas into a buffer tank 12 for buffer work, finally discharging the gas from an oxygen discharge port 21, closing an oxygen gas outlet end valve when the desorption tower A1 is adsorbed and saturated, discharging adsorbed impurity gas, discharging the gas from a desorption gas cis-discharging pipe 17, opening a nitrogen gate valve 24 after the gas is discharged, introducing nitrogen from a nitrogen inlet 22 to purge the desorption tower A1 by using nitrogen, leading the nitrogen to carry away impurities remained in the desorption tower A1, leading a silencer 20 with the model of PSL-04 to be electrified for work to adsorb the generated noise, finally leading the finished gas into the desorption tower B2 through a bypass pipe 23 for stabilizing the pressure, completing the regeneration of the adsorbent and alumina, being used for adsorption again, leading the desorption tower A1 and the desorption tower B2 to alternately work to form a cycle, continuously generating oxygen, and providing electric energy for electric elements of the device by a power supply arranged in the device, therefore, the stable operation of the electrical elements of the device is ensured.

The VSPA1 high-efficiency vacuum pressure swing adsorption oxygen generation device has the beneficial effects that: the oxygen discharge valve 3 provides a channel for air to enter, the blower 5 can be pressurized to facilitate air to enter, the desorption tower A1 and the desorption tower B2 are conveniently discharged by the desorption gas forward-releasing pipe 17, the buffer tank 12 buffers internal gas, the pressure sensor 9 monitors the pressure in the desorption tower A1 and the desorption tower B2 in real time, the vacuum pump 13 is opened and closed to control the vacuum discharge in the desorption tower A1 and the desorption tower B2, and the self-operated pressure valve 10 regulates and controls the pressure in the oxygen discharge main pipe 19, so that the problems of single structure and low efficiency of the conventional vacuum pressure swing adsorption oxygen generation device are solved; filter screen 15 can filter the impurity in the air, and filter material 16 can adsorb some impurity, has improved filterable effect, has avoided lacking filter equipment, can lead to making the problem that oxygen purity is not enough.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient vacuum pressure swing adsorption oxygenerator of VSPA, includes desorber A (1), desorber B (2) and PLC controller (18), its characterized in that: one side on desorber A (1) is connected with A tower intake pipe (6), and one side on A tower intake pipe (6) is connected with air blower (5), air blower (5) are connected with air cleaner (4), and the inside on air cleaner (4) is provided with ultraviolet lamp (14), one end on ultraviolet lamp (14) is provided with filter material (16), and filter material (16) keep away from the position of air cleaner (4) vertical central line and install filter screen (15), one side on air cleaner (4) is provided with nitrogen gas entry (22), and one side on nitrogen gas entry (22) installs nitrogen gas gate valve (24), one side on nitrogen gas gate valve (24) is provided with air inlet (25), oxygen discharge valve (3) is installed to one side on desorber A (1), the opposite side on desorber A (1) is installed to desorber B (2), a bypass pipe (23) is installed in the middle of the desorption tower A (1) and the desorption tower B (2), a tower B air inlet pipe (7) is connected to one side of the desorption tower B (2), a vacuum discharge pipe (8) is installed to one side of the tower B air inlet pipe (7), a vacuum pump (13) is installed on one side of the vacuum discharge pipe (8), a silencer (20) is installed on one side of the vacuum pump (13), a desorption gas forward-discharging pipe (17) is arranged on one side of the vacuum pump (13), oxygen discharge pipes (11) are connected to one ends of the upper ends of the desorption tower A (1) and the desorption tower B (2), pressure sensors (9) are installed on two sides of the oxygen discharge pipes (11), an oxygen discharge main pipe (19) is installed on one side of the upper ends of the pressure sensors (9), and a self-operated pressure valve (10) is installed, buffer tank (12) are installed to one side on self-operated pressure valve (10), and one side on buffer tank (12) is provided with oxygen discharge port (21), the outside on air-blower (5) is connected with PLC controller (18) through the wire, electric connection between PLC controller (18) through wire and ultraviolet lamp (14), and electric connection between PLC controller (18) through wire and air-blower (5) to PLC controller (18) are through electric connection between wire and pressure sensor (9), and electric connection between PLC controller (18) through wire and vacuum pump (13) simultaneously.

2. The VSPA high-efficiency vacuum pressure swing adsorption oxygen generation plant according to claim 1, characterized in that: the oxygen discharge valve (3) is communicated with the tower A air inlet pipe (6) through an air filter (4) and an air blower (5), and the filter screen (15) is in a hollow net shape.

3. The VSPA high-efficiency vacuum pressure swing adsorption oxygen generation plant according to claim 1, characterized in that: the desorption tower A (1) and the desorption tower B (2) form a communicating structure through a desorption gas forward release pipe (17), and the desorption tower A (1) and the desorption tower B (2) form a communicating structure through an oxygen discharge pipe (11), an oxygen discharge main pipe (19) and a buffer tank (12).

4. The VSPA high-efficiency vacuum pressure swing adsorption oxygen generation plant according to claim 1, characterized in that: the inside of the analyzing gas forward-discharging pipe (17) is provided with an analyzing gas forward-discharging valve, the inside of the vacuum discharging pipe (8) is provided with a vacuum discharging valve, one side of the air inlet (25) is provided with an air inlet valve, and the inside of the bypass pipe (23) is provided with a bypass valve.

5. The VSPA high-efficiency vacuum pressure swing adsorption oxygen generation plant according to claim 1, characterized in that: the oxygen discharge valve (3) is in threaded connection with the oxygen discharge pipe (11), and the self-operated pressure valve (10) is in threaded connection with the oxygen discharge main pipe (19).

6. The VSPA high-efficiency vacuum pressure swing adsorption oxygen generation plant according to claim 1, characterized in that: the ultraviolet lamps (14) are symmetrically distributed about the vertical center line of the air filter (4), and the filter materials (16) are uniformly distributed along the interior of the filter screen (15).