CN113426246B

CN113426246B - Pressure swing adsorption oxygen generating equipment for dispersed oxygen

Info

Publication number: CN113426246B
Application number: CN202110725843.8A
Authority: CN
Inventors: 朱永强
Original assignee: Tibet Shenghainuo Technology Co ltd
Current assignee: Tibet Shenghainuo Technology Co ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-04-15
Anticipated expiration: 2041-06-29
Also published as: CN113426246A

Abstract

The invention discloses pressure swing adsorption oxygen generation equipment for dispersing oxygen, which comprises a purification tank, a separation tank, an adsorption tank and a storage tank, wherein one end of the separation tank is connected with the purification tank, the other end of the separation tank is connected with the adsorption tank, the other end of the adsorption tank is connected with the storage tank, impurities and moisture in air are removed by the purification tank, the separation tank separates oxygen from other components in the air by cooling and heating, the adsorption tank performs pressure swing adsorption on the oxygen in the components in the air, and the storage tank stores the oxygen. The low temperature that the gas had after the purifying tank utilized the gasification cools down self jar body, and the jar body is irritated from up down to the air that will have impurity, makes the air produce the whirl in jar body and contact with jar internal wall, makes the moisture liquefaction in the air and detain on jar internal wall, and impurity in the air contacts and realizes the separation with the air with water under the effect of centrifugal force to reach the effect to air drying, edulcoration.

Description

Pressure swing adsorption oxygen generating equipment for dispersed oxygen

Technical Field

The invention relates to the technical field of pressure swing adsorption oxygen generation, in particular to pressure swing adsorption oxygen generation equipment for dispersing oxygen.

Background

In plateau areas, due to high cold and oxygen deficiency and insufficient oxygen content in air, people can have nausea, vomiting, weakness and other uncomfortable reactions under the environment, and can have severe high altitude pulmonary edema, high altitude cerebral edema and other high-primordial diseases, and the life of people can be endangered when the prevention and the treatment are not in time.

Pressure swing adsorption oxygen making equipment is a machine for making oxygen by utilizing air separation technology, and mainly utilizes the difference of adsorption capacity of molecular sieve to various component gases in air under the condition of different pressures to attain the goal of separating oxygen from other components.

In the pressure swing adsorption oxygen generating equipment, because the characteristics of the molecular sieve and the limitation of the adsorption principle, the molecular sieve has lower adsorption capacity to inert gas in the air, and oxygen prepared by the pressure swing adsorption oxygen generating equipment contains a large amount of inert gas, so that oxygen with higher purity needs to be purified.

Disclosure of Invention

The invention aims to provide pressure swing adsorption oxygen generation equipment for dispersing oxygen so as to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a pressure swing adsorption oxygenerator of diffusion oxygen, this pressure swing adsorption oxygenerator include the purification tank, divide and stay jar, adsorption tank, holding vessel, the branch stays jar one end and is connected with the purification tank, divides and stays the jar other end and is connected with the adsorption tank, the adsorption tank other end is connected with the holding vessel, the purification tank clears away impurity and moisture in to the air, divide and stay the jar through cooling and other composition separation that heat up messenger oxygen and air, the adsorption tank carries out the pressure swing adsorption to the oxygen in the air composition, the holding vessel saves oxygen. The purification tank cools the tank body by utilizing the low temperature of the gasified gas, and injects the air with impurities into the tank body from bottom to top, so that the air generates rotational flow in the tank body and is contacted with the inner wall of the tank body, the moisture in the air is liquefied and is retained on the inner wall of the tank body, and the impurities in the air are contacted with the water under the action of centrifugal force and are separated from the air, thereby achieving the effects of drying and removing the impurities; besides removing water by cooling the inner wall, the water is electrolyzed by the purification tank in a water electrolysis mode to decompose water into hydrogen and oxygen, and the content of oxygen in the air is further improved while the water in the air is removed by the purification tank; the separation and retention tank liquefies gas in air by cooling and pressurizing, then the gas with a boiling point lower than that of oxygen is gasified and separated from oxygen in a heating mode, the temperature in the separation and retention tank is kept below the boiling point of oxygen until other gas lower than the boiling point of oxygen is completely separated from oxygen, the separation and retention tank is heated again to enable the temperature to reach the boiling point of oxygen, so that oxygen is separated from other residual liquefied gas, the separation and retention tank obtains oxygen by cooling and heating, the separation and retention tank infuses the oxygen into the adsorption tank, the adsorption tank is adsorbed by zeolite molecular sieves and the oxygen after pressure transformation, so that the oxygen is separated from other gas components again, the purity of the oxygen is further improved, and the adsorption tank is infused with the oxygen after pressure reduction for storage.

The purification tank comprises an outer purification tank body and an inner purification tank body arranged in the outer purification tank body, a spiral plate is arranged between the outer purification tank body and the inner purification tank body, a first air outlet pipe is arranged at the upper end of the inner purification tank body, the first air outlet pipe penetrates through the upper end of the outer purification tank body, a vortex hopper is arranged in the middle of the lower end of the inner purification tank body, a shunting shell is arranged in the vortex hopper, a spiral cone is arranged above the vortex hopper, and the upper end of the spiral cone is fixed with the lower end of the first air outlet pipe; the purification outer tank body and the purification inner tank body are matched with each other to form a cooling space, the cooling space is connected with an air outlet pipe of the separation tank, other low-temperature gas separated from oxygen in the separation tank enters the cooling space and is cooled with the purification inner tank body, a spiral plate forms a flow path of the gas in the cooling space, the gas is cooled along the spiral path purification inner tank body, a spiral flow bucket provides support for installation of a flow distribution shell and provides conditions for generation of air spiral flow, the flow distribution shell distributes air infused by a purification compressor and enables the air to enter the spiral flow bucket along a certain inclination angle, a plurality of groups of air flows with inclination angles distributed by the flow distribution shell rotate and are fused on the spiral flow bucket, the spiral cone is hung above the spiral flow bucket, a spiral groove is formed in the outer side of the spiral cone, and the spiral cone separates the space above the spiral flow bucket, the air flowing out of the shunting shell is prevented from vertically rising in the purifying inner tank body, the spiral cone compresses the air flowing out of the shunting shell, so that the air flow rotates and rises along the inner wall of the spiral flow hopper, and the spiral cone assists the air to generate spiral flow through the spiral groove;

the lower extreme that purifies the inner tank body is provided with purification compressor, purification compressor is connected with the whirl fill, first outlet duct and the first intake-tube connection of the pot of keeping aside, purify the outer tank body and purify the cooling space between the inner tank body and be connected with the outlet duct of the pot of keeping aside. The purification compressor extracts outside air, and infuse the purification inner tank body with the air through the whirl fill after the compression in, the air enters into the purification inner tank body through the whirl fill and makes and produce the whirl, and the air after purification tank purification enters into the separation jar through first outlet duct. Before preparing oxygen, the temperature in the separation and retention tank is reduced firstly, so that the temperature of air in the separation and retention tank is reduced, and the air with the temperature reduced is infused into the space between the purification outer tank body and the purification inner tank body, so that the air is cooled and the temperature in the separation and retention tank is reduced.

Be provided with the electrolysis board in the first outlet duct, the electrolysis board is hollow structure, has seted up a plurality of groups electrolysis hole on the electrolysis board, all is provided with the horn tube in every group electrolysis hole, the expansion mouth of horn tube is towards the spiral awl, every group the both sides of horn tube upper end all are provided with the electrode slice, and are two sets of the electrode slice divide into positive plate and negative pole piece, and the positive plate is connected with the power positive pole, and the negative pole piece is connected with the power negative pole, the inner space of electrolysis board and the space intercommunication between the outer jar body of purification and the purification inner tank body. The electrolysis board is inside to have low temperature gas to flow, low temperature gas cools down the electrolysis board, remaining few part moisture in the air and electrolysis board terminal surface and horn tube end face contact, and form the water droplet on electrolysis board terminal surface and horn tube, the one end motion of electrode slice is installed promptly to the shrink end of horn tube under the drive of air current to the water droplet that forms on the horn tube, when the water droplet removes the position of electrode slice, the circuit switches on, make the electrode slice decompose the water droplet, form hydrogen and oxygen, simultaneously, the horn tube is through the virus in the diameter setting in the air, the bacterium blocks, prevent the bacterium, the virus enters into in the next process, the horn tube passes through the electrode slice and kills virus and bacterium, realize the aseptic of air.

At least two sets of air vents are formed in the flow dividing shell, each set of air vents is provided with a flow dividing pipe, each set of air vents is provided with a rotational flow pipe with a radian, and each set of rotational flow pipe is attached to the inner wall of the rotational flow hopper. The air that the reposition of redundant personnel shell was instilled to the purification compressor shunts, makes the air enter into the whirl through every shunt tubes and whirl pipe and fights inside, and through the setting that has the whirl pipe of radian, makes the air flow in the whirl is fought with the gesture that has mobile angle and flow direction, and the stranded air current that has angle and direction rotates and assembles on the whirl is fought, forms the air whirl at last in purifying the inner tank body.

The branch stays the jar including the branch stays the outer jar of body, the branch stays the internal portion of outer jar and is provided with the branch and stays the internal portion of jar, the branch stays the outer jar of body and stays and be provided with the temperature regulating board between the internal portion of jar, the branch stays internal portion of jar upper end middle part position and is provided with first intake pipe, and branch stays internal portion of jar one side and is provided with out the oxygen pipe, it is connected with the adsorption compressor on the oxygen pipe to go out, the other end and the adsorption tank of adsorption compressor are connected, the temperature regulating board is to the temperature reduction or the rising of staying the internal portion of jar. The outer jar of body and the inner tank body of staying of branch cooperate each other and form the space of installation temperature regulating board, and the inner tank body of staying of branch stores liquefied gas, and the temperature regulating board cools down the temperature of the internal portion of staying inner tank, and the air of purifying tank pours into the internal portion of staying inner tank of staying, makes the atmospheric pressure of the internal portion of staying of branch increase, and the reduction of cooling and the rising of atmospheric pressure make gas stay the internal portion liquefaction of inner tank in the branch. When the gas is liquefied, the adsorption compressor does not work. When the liquefied gas in the first separating tank is stored to a certain amount, the purifying tank is switched to the second separating tank through the pipeline, is communicated with the second separating tank, the first separating tank is provided with a pressure valve and an electromagnetic valve, the electromagnetic valve controls the pipeline of the pressure valve connected with the separating inner tank body, under the condition that the internal pressure of the first retention tank is kept unchanged, the internal temperature of the retention internal tank body is heated along with the temperature regulating plate, so that the internal temperature of the retention internal tank body sequentially reaches the boiling point of each gas, other gas components are separated from oxygen, because the boiling point of the nitrogen is lower than that of the oxygen, the liquefied oxygen and other gases with the boiling points higher than that of the oxygen are reserved in the inner tank body, when the oxygen needs to be gasified, the adsorption compressor works, the electromagnetic valve closes the pressure valve and the pipeline of the separated inner tank body, and the adsorption compressor compresses oxygen in the separated inner tank body again and transmits the oxygen to the adsorption tank.

The adsorption tank comprises an adsorption outer tank body, an adsorption inner tank body arranged in the adsorption outer tank body, a temperature control plate is arranged between the adsorption outer tank body and the adsorption inner tank body, the temperature control plate enables the temperature in the adsorption inner tank body to rise or fall, a molecular sieve is arranged in the adsorption inner tank body, a second air inlet pipe is arranged on the adsorption inner tank body, the second air inlet pipe is connected with an adsorption compressor, the second air inlet pipe is located below the molecular sieve, a second oxygen outlet pipe is arranged in the middle of the upper end of the adsorption inner tank body, an electromagnetic valve is arranged in the second oxygen outlet pipe, and the second oxygen outlet pipe is connected with a storage tank. The outer adsorption tank body protects the temperature control plate and the inner adsorption tank body, the inner adsorption tank body provides support for installation of the molecular sieve, the molecular sieve adsorbs high-pressure oxygen, oxygen and other gas components are separated twice, the purity of the oxygen is further improved, and devices for controlling internal pressure and discharging other gases such as a pressure gauge, a pressure release valve and a solenoid valve are arranged on the inner adsorption tank body.

The temperature control plate and the temperature control plate are composed of a copper plate, a P-type semiconductor and an N-type semiconductor, the P-type semiconductor is connected with the N-type semiconductor through the plate, the P-type semiconductor and the N-type semiconductor are connected into a control circuit, and the control circuit controls the flowing direction of current in the P-type semiconductor and the N-type semiconductor. The P-type semiconductor and the N-type semiconductor are connected into a circuit, and current flows through the two semiconductors, so that the plate dissipates or absorbs heat, and the temperature of the interior of the tank body is raised or lowered. The plate can be enclosed into a ring outside the tank body, but two ends of the plate are not contacted, and the P-type semiconductor and the N-type semiconductor are respectively arranged at two ends of the plate, so that current flows from one end of the plate to the other end of the plate.

The electrolytic plate is made of insulating materials, the outer separating tank body and the inner separating tank body are both provided with insulating materials, and the outer adsorbing tank body and the inner adsorbing tank body are both provided with insulating materials.

Compared with the prior art, the invention has the following beneficial effects:

1. the purification tank cools the tank body by utilizing the low temperature of the gasified gas, and injects the air with impurities into the tank body from bottom to top, so that the air generates rotational flow in the tank body and is contacted with the inner wall of the tank body, the moisture in the air is liquefied and is retained on the inner wall of the tank body, and the impurities in the air are contacted with the water under the action of centrifugal force and are separated from the air, thereby achieving the effects of drying and removing the impurities; except that the moisture is removed through the inner wall cooling, the purifying tank is still electrolyzed through the mode of electrolysis water, makes water split into hydrogen and oxygen, and the purifying tank further improves the content of oxygen in the air when getting rid of moisture in the air.

2. The separation and retention tank liquefies gas in air by cooling and pressurizing, and then the gas with a boiling point lower than that of oxygen is gasified and separated from the oxygen in a heating mode, the temperature in the separation and retention tank is kept below the boiling point of the oxygen until other gas lower than the boiling point of the oxygen is completely separated from the oxygen, the separation and retention tank is heated again to make the temperature reach the boiling point of the oxygen so as to separate the oxygen from other residual liquefied gas, the separation and retention tank obtains the oxygen by cooling and heating, the separation and retention tank infuses the oxygen into the adsorption tank, the adsorption tank is adsorbed with the oxygen after pressure transformation through a zeolite molecular sieve so as to make the oxygen separated from other gas components again, the purity of the oxygen is further improved, and the adsorption tank infuses the oxygen into the storage tank to realize the preparation of the oxygen; in the application, the purification of oxygen is realized by combining an industrial oxygen generation method and a pressure swing adsorption oxygen generation method, so that the problem of low oxygen generation purity is solved.

3. The electrolysis board is inside to have low temperature gas to flow, low temperature gas cools down the electrolysis board, remaining few part moisture in the air and electrolysis board terminal surface and horn tube end face contact, and form the water droplet on electrolysis board terminal surface and horn tube, the one end motion of electrode slice is installed promptly to the shrink end of horn tube under the drive of air current to the water droplet that forms on the horn tube, when the water droplet removes the position of electrode slice, the circuit switches on, make the electrode slice decompose the water droplet, form hydrogen and oxygen, simultaneously, the horn tube is through the virus in the diameter setting in the air, the bacterium blocks, prevent the bacterium, the virus enters into in the next process, the horn tube passes through the electrode slice and kills virus and bacterium, realize the aseptic of air.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a schematic view of the construction of the purification tank of the present invention;

FIG. 3 is a schematic view of the internal structure of the purification tank of the present invention;

FIG. 4 is a schematic view of the diverter housing structure of the present invention;

FIG. 5 is a schematic top view of an electrolytic plate of the present invention;

FIG. 6 is a schematic half-section of an electrolytic plate of the present invention;

FIG. 7 is a schematic view of the internal structure of the retention tank of the present invention;

FIG. 8 is a schematic view of the internal structure of the adsorption tank of the present invention.

In the figure: 1. a purification tank; 2. separating and reserving the cans; 3. an adsorption tank; 4. a storage tank; 1-1, purifying a compressor; 1-2, purifying the outer tank body; 1-3, purifying the inner tank body; 1-4, a cyclone hopper; 1-5, a shunt shell; 1-51, shunt tubes; 1-6, spiral cone; 1-7, an electrolytic plate; 1-71, electrolytic holes; 1-72, a horn tube; 1-73, electrode slice; 1-8, spiral plate; 2-1, separating and reserving the outer tank body; 2-2, a temperature adjusting plate; 2-3, separating and reserving the inner tank body; 2-4, adsorbing a compressor; 3-1, adsorbing the outer tank body; 3-2, a temperature control plate; 3-3, adsorbing the inner tank body; 3-4, molecular sieve.

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.

Referring to fig. 1-8, the present invention provides the following technical solutions: the utility model provides a pressure swing adsorption oxygenerator of diffusion oxygen, this pressure swing adsorption oxygenerator is including purifying jar 1, divide and stay jar 2, adsorption tank 3, holding vessel 4, divide and stay 2 one end of jar and be connected with purifying jar 1, divide and stay 2 other ends of jar and be connected with adsorption tank 3, the 3 other ends of adsorption tank are connected with holding vessel 4, impurity and moisture in the purification jar 1 to the air are clear away, divide and stay jar 2 and make oxygen and other composition separation in the air through cooling and intensification, adsorption tank 3 carries out pressure swing adsorption to the oxygen in the air composition, holding vessel 4 saves oxygen.

The purifying tank 1 comprises an outer purifying tank body 1-2, the purifying device comprises an outer purifying tank body 1-2, an inner purifying tank body 1-3, spiral plates 1-8, spiral passages 1-8, first air outlet pipes, spiral buckets 1-4, a flow dividing shell 1-5, spiral cones 1-4, spiral cones 1-6 and a shaft, wherein the inner purifying tank body 1-3 is arranged in the outer purifying tank body 1-2, the spiral plates 1-8 are arranged between the outer purifying tank body 1-2 and the inner purifying tank body 1-3, the first air outlet pipes penetrate through the upper end of the outer purifying tank body 1-2, the spiral buckets 1-4 are arranged in the middle of the lower end of the inner purifying tank body 1-3, the flow dividing shells 1-4 are arranged in the spiral buckets 1-4, and the upper ends of the spiral cones 1-6 are fixed with the lower ends of the first air outlet pipes through the shaft;

the cyclone bucket 1-4 and the purifying inner tank body 1-3 are mutually matched at the bottom of the purifying inner tank body 1-3 to form a space for storing water, and the sewage with impurities, bacteria and viruses can be discharged out of the purifying tank 1 by arranging a blow-off pipe on the purifying inner tank body 1-3.

The lower end of the purifying inner tank body 1-3 is provided with a purifying compressor 1-1, the purifying compressor 1-1 is connected with a rotational flow bucket 1-4, a first air outlet pipe is connected with a first air inlet pipe of the separation tank 2, a cooling space between the purifying outer tank body 1-2 and the purifying inner tank body 1-3 is connected with an air outlet pipe (not shown in the figure) of the separation tank 2, the air outlet pipe is used for releasing gas after temperature rise and gasification, the gasified gas is low-temperature gas at random, the purifying inner tank body 1-3 is cooled by the low temperature of the gasified gas, and the air outlet pipe is provided with a pressure valve and an electromagnetic valve.

The first air outlet pipe is internally provided with electrolytic plates 1-7, the electrolytic plates 1-7 are made of insulating materials, the electrolytic plates 1-7 are of hollow structures, a plurality of groups of electrolytic holes 1-71 are formed in the electrolytic plates 1-7, each group of electrolytic holes 1-71 is internally provided with a horn tube 1-72, the expansion opening of each horn tube 1-72 faces to a spiral cone 1-6, the two sides of the upper end of each group of horn tubes 1-72 are respectively provided with an electrode plate 1-73, the two groups of electrode plates 1-73 are divided into a positive plate and a negative plate, the positive plate is connected with the positive pole of a power supply, the negative plate is connected with the negative pole of the power supply, and the internal space of the electrolytic plates 1-7 is communicated with the space between the purification outer tank body 1-2 and the purification inner tank body 1-3.

At least two groups of vent holes are formed in the shunt shell 1-5, the shunt shell 1-5 is of a C-shaped structure, shunt tubes 1-51 are mounted on each group of vent holes, spiral-flow tubes with radian are mounted on each group of shunt tubes 1-51, and each group of spiral-flow tubes is attached to the inner wall of the spiral-flow hopper 1-4.

The separating and reserving tank 2 comprises a separating and reserving outer tank body 2-1, a separating and reserving inner tank body 2-3 is installed inside the separating and reserving outer tank body 2-1, insulating materials are arranged on the reserving outer tank body 2-1 and the separating and reserving inner tank body 2-3, a temperature adjusting plate 2-2 is installed between the separating and reserving outer tank body 2-1 and the separating and reserving inner tank body 2-3, a first air inlet pipe, an air outlet pipe (not shown in the drawing) and a pressure gauge are installed in the middle position of the upper end of the separating and reserving inner tank body 2-3, an oxygen outlet pipe is installed on one side of the separating and reserving inner tank body 2-3, an adsorption compressor 2-4 is connected onto the oxygen outlet pipe, the other end of the adsorption compressor 2-4 is connected with the adsorption tank 3, and the temperature of the inner tank body 2-3 is reduced or increased by the temperature adjusting plate 2-2.

The outer jar of body and the inner tank body of staying of branch cooperate each other and form the space of installation temperature regulating board, and the inner tank body of staying of branch stores liquefied gas, and the temperature regulating board cools down the temperature of the internal portion of staying inner tank, and the air of purifying tank pours into the internal portion of staying inner tank of staying, makes the atmospheric pressure of the internal portion of staying of branch increase, and the reduction of cooling and the rising of atmospheric pressure make gas stay the internal portion liquefaction of inner tank in the branch.

When the gas is liquefied, the adsorption compressor does not work.

The specific implementation comprises two groups of separating tanks 2, which are divided into a first separating tank and a second separating tank, when the liquefied gas in the first separating tank is stored to a certain amount, the purifying tank is switched to the second separating tank through a pipeline (an electromagnetic valve and a one-way valve are arranged in the pipeline) and is communicated with the second separating tank;

install pressure valve and solenoid valve on the first branch stays jar, the solenoid valve is connected the pipeline of the branch stay inner tank body to the pressure valve and is controlled, under the circumstances that first branch stay jar internal pressure keeps unchangeable, along with the temperature regulation board heats up to the internal temperature of the branch stay inner tank, make the internal temperature of the branch stay inner tank reach the boiling point of each gas in proper order, thereby make other gas composition and oxygen separation, because the boiling point of nitrogen gas is lower than oxygen, consequently, stay other gases that liquefied oxygen and boiling point are higher than oxygen in the branch stay inner tank body, when needing to gasify oxygen, adsorption compressor works, the solenoid valve is closed the pressure valve with the pipeline of the branch stay between the inner tank body, adsorption compressor will divide the oxygen in the stay inner tank body to compress once more and transmit to adsorption tank 3 in.

When the oxygen in the first separating and retaining tank is treated and is finished and the liquefied gas in the second separating and retaining tank is stored for a certain amount, the purifying tank is connected with the first separating and retaining tank again through the pipeline and is disconnected from the communicating channel of the second separating and retaining tank, so that the air enters the first separating and retaining tank again, the temperature in the second separating and retaining tank begins to rise, other gases are separated from the oxygen, and the extraction of the oxygen is realized.

The adsorption tank comprises two groups of adsorption tanks 3 and is divided into a first adsorption tank and a second adsorption tank, the first adsorption tank is connected with a first retention tank through a pipeline, the second adsorption tank is connected with a second retention tank through a pipeline, the adsorption tank 3 comprises an adsorption outer tank body 3-1 and an adsorption inner tank body 3-3 installed inside the adsorption outer tank body 3-1, the adsorption outer tank body 3-1 and the adsorption inner tank body 3-3 are both provided with insulating materials, and the adsorption inner tank body is provided with devices for controlling internal pressure and discharging other gases, such as a pressure gauge, a pressure relief valve and an electromagnetic valve.

A temperature control plate 3-2 is arranged between the outer adsorption tank body 3-1 and the inner adsorption tank body 3-3, the temperature control plate 3-2 enables the temperature in the inner adsorption tank body 3-3 to rise or fall, a molecular sieve 3-4 is arranged in the inner adsorption tank body 3-3 and is a zeolite molecular sieve, a second air inlet pipe is arranged on the inner adsorption tank body 3-3 and is connected with an adsorption compressor 2-4, the second air inlet pipe is positioned below the molecular sieve 3-4, a second oxygen outlet pipe is arranged in the middle of the upper end of the inner adsorption tank body 3-3 and is provided with an electromagnetic valve, and the second oxygen outlet pipe is connected with a storage tank 4. The second oxygen outlet pipe is connected with a pipeline component consisting of a pump, a valve and the like.

The molecular sieve adsorbs the high-pressure oxygen, so that the oxygen is separated from other gas components twice, and the purity of the oxygen is further improved.

The temperature adjusting plate 2-2 and the temperature control plate 3-2 are both made of a copper plate, a P-type semiconductor and an N-type semiconductor, the P-type semiconductor and the N-type semiconductor are connected through the plate, the P-type semiconductor and the N-type semiconductor are connected to a control circuit, and the control circuit controls the flowing direction of current in the P-type semiconductor and the N-type semiconductor. The P-type semiconductor and the N-type semiconductor are connected into a circuit, and current flows through the two semiconductors, so that the plate dissipates or absorbs heat, and the temperature of the interior of the tank body is raised or lowered. The plate can be enclosed into a ring outside the tank body, but two ends of the plate are not contacted, and the P-type semiconductor and the N-type semiconductor are respectively arranged at two ends of the plate, so that current flows from one end of the plate to the other end of the plate.

The working principle of the invention is as follows:

when oxygen is prepared, the purification tank 1 is communicated with the first retention tank through a pipeline, the purification compressor 1-1 extracts outside air and infuses the air into the cyclone bucket 1-4, the shunt shell 1-5 shunts the air infused by the purification compressor 1-1, so that the air enters the cyclone bucket 1-4 through each shunt pipe 1-51 and the cyclone pipe, and the air flows in the cyclone bucket 1-4 at a flowing angle and a flowing direction through the arrangement of the cyclone pipe with radian;

the spiral cones 1-6 are hung above the spiral hoppers 1-4, spiral grooves are formed in the outer sides of the spiral cones 1-6, the spiral cones 1-6 are used for separating the space above the spiral hoppers 1-4 to prevent air flowing out of the shunting shells 1-5 from vertically rising in the purification inner tank body 1-3, the spiral cones 1-6 are used for pressing the air flowing out of the shunting shells 1-5 to enable the air flow to rotate and rise along the inner walls of the spiral hoppers 1-4, the spiral cones 1-6 assist air through the spiral grooves to generate rotational flow, a plurality of air flows with angles and directions rotate and converge on the spiral hoppers, and finally air rotational flow is formed in the purification inner tank body.

Air is contacted with the inner wall of the purifying inner tank body 1-3, water in the air is condensed into water after being cooled and is retained on the inner wall of the purifying inner tank body 1-3, meanwhile, impurities in the air are contacted with the water on the inner wall under the action of centrifugal force and are intercepted by the water, bacteria, viruses and the like in the air are intercepted by the water, and the impurities, the bacteria, the viruses and the like are separated from the air.

Air continuously rises in the purification tank 1 and enters the first separation tank after passing through the electrolytic plates 1-7, residual moisture in the air is condensed by the electrolytic plates 1-7 and moves to the contraction ends of the horn tubes 1-72 under the drive of airflow, and the water conducts a circuit between the two electrode plates 1-73, so that the water is electrolyzed into hydrogen and oxygen, and the content of the oxygen in the air is further improved.

The air gets into first branch and stays the jar in, and the air liquefies under low temperature environment and high pressure condition, and when the liquefied air in first branch stays the jar and stores to a certain extent, the purge tank 1 cuts off and stays the jar between being connected with first to be connected with the second and stay the jar, make the air get into the second and stay the jar in and carry out the liquefaction.

The temperature adjusting plate 2-2 in the first separating tank starts to work to heat the interior of the first separating tank, so that the temperature in the first separating tank gradually reaches the boiling point of each gas and is continuously separated from oxygen, when the gas with the boiling point lower than the boiling point of oxygen is separated, the temperature is controlled below the boiling point of oxygen, when the oxygen is separated, the temperature in the first separating tank is controlled at the boiling point of oxygen, so that the oxygen is separated from other gases with the boiling point higher than the boiling point of oxygen, the gasified gas is separated from the oxygen and enters the space between the purifying outer tank body 1-2 and the purifying inner tank body 1-3 through the gas outlet pipe, when the first separating tank starts to gasify the oxygen, the adsorption compressor 2-4 starts to work, so that the oxygen is compressed again and then enters the adsorption tank 3.

The adsorption tank 3 adsorbs the high-pressure oxygen through the molecular sieves 3-4, so that the oxygen is separated from other gas components again, the gas of other components is discharged out of the adsorption tank 3, when the pressure reduction is needed to release the oxygen, the pressure in the adsorption tank 3 is reduced, and the oxygen adsorbed by the molecular sieves 3-4 is released and enters the storage tank 4 through the pipeline assembly and is infused into the storage tank 4.

After the release of oxygen from the first retention tank is completed and the liquefied gas in the second retention tank is stored to a certain amount, the purge tank is connected to the first retention tank again and the hydraulic gas in the second retention tank is treated to separate oxygen from other gas components and infuse oxygen into the second adsorption tank.

The oxygen in the first adsorption tank and the second adsorption tank can be separately or simultaneously infused into the storage tank 4, and the preparation of the oxygen is realized through the mutual matching of the purification tank 1, the separation tank 2 and the adsorption tank 3.

It is noted that, herein, relational terms such as first and second, and the like may 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. Also, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a pressure swing adsorption oxygen generating equipment of dispersion oxygen which characterized in that: the pressure swing adsorption oxygen generation equipment comprises a purification tank (1), a separation tank (2), an adsorption tank (3) and a storage tank (4), wherein one end of the separation tank (2) is connected with the purification tank (1), the other end of the separation tank (2) is connected with the adsorption tank (3), the other end of the adsorption tank (3) is connected with the storage tank (4), impurities and moisture in air are removed by the purification tank (1), the separation tank (2) separates oxygen from other components in the air by cooling and heating, the adsorption tank (3) performs pressure swing adsorption on oxygen in air components, and the storage tank (4) stores the oxygen;

the purification tank (1) comprises an outer purification tank body (1-2) and an inner purification tank body (1-3) arranged inside the outer purification tank body (1-2), a first air outlet pipe is arranged at the upper end of the inner purification tank body (1-3), the first air outlet pipe penetrates through the upper end of the outer purification tank body (1-2), a vortex hopper (1-4) is arranged in the middle of the lower end of the inner purification tank body (1-3), a diversion shell (1-5) is arranged inside the vortex hopper (1-4), a spiral cone (1-6) is arranged above the vortex hopper (1-4), and the upper end of the spiral cone (1-6) is fixed with the lower end of the first air outlet pipe;

an electrolytic plate (1-7) is arranged in the first air outlet pipe, the electrolytic plate (1-7) is of a hollow structure, a plurality of groups of electrolytic holes (1-71) are formed in the electrolytic plate (1-7), a horn tube (1-72) is arranged in each group of electrolytic holes (1-71), the expanding opening of the flared tubes (1-72) faces to the spiral cone (1-6), two sides of the upper end of each group of flared tubes (1-72) are respectively provided with an electrode plate (1-73), the two groups of electrode plates (1-73) are divided into a positive plate and a negative plate, the positive plate is connected with the positive pole of a power supply, the negative plate is connected with the negative pole of the power supply, the internal space of the electrolytic plate (1-7) is communicated with the space between the purification outer tank body (1-2) and the purification inner tank body (1-3).

2. The oxygen-dispersing pressure swing adsorption oxygen-generating plant of claim 1, wherein: a spiral plate (1-8) is arranged between the purification outer tank body (1-2) and the purification inner tank body (1-3);

the lower extreme of purifying the inner tank body (1-3) is provided with purification compressor (1-1), purification compressor (1-1) is connected with whirl fill (1-4), first outlet duct and the first intake-tube connection who stays jar (2) of branch, purify the cooling space between the outer tank body (1-2) and the purification inner tank body (1-3) and be connected with the outlet duct that stays jar (2) of branch.

3. The oxygen-dispersing pressure swing adsorption oxygen-generating plant of claim 2, wherein: the cyclone dust collector is characterized in that at least two groups of vent holes are formed in the flow dividing shell (1-5), each group of vent holes is provided with a flow dividing pipe (1-51), each flow dividing pipe (1-51) in each group is provided with a cyclone pipe with a radian, and each cyclone pipe in each group is attached to the inner wall of the cyclone hopper (1-4).

4. The oxygen-dispersing pressure swing adsorption oxygen plant of claim 3, wherein: the separation and retention tank (2) comprises a separation and retention outer tank body (2-1), a separation and retention inner tank body (2-3) is arranged inside the separation and retention outer tank body (2-1), a temperature adjusting plate (2-2) is arranged between the separation and retention outer tank body (2-1) and the separation and retention inner tank body (2-3), a first air inlet pipe is arranged at the middle position of the upper end of the separation and retention inner tank body (2-3), an oxygen outlet pipe is arranged on one side of the separation and retention inner tank body (2-3), an adsorption compressor (2-4) is connected onto the oxygen outlet pipe, the other end of the adsorption compressor (2-4) is connected with the adsorption tank (3), and the temperature adjusting plate (2-2) reduces or increases the temperature inside the separation and retention inner tank body (2-3).

5. The oxygen-dispersing pressure swing adsorption oxygen plant of claim 4, wherein: the adsorption tank (3) comprises an adsorption outer tank body (3-1) and an adsorption inner tank body (3-3) arranged in the adsorption outer tank body (3-1), a temperature control plate (3-2) is arranged between the adsorption outer tank body (3-1) and the adsorption inner tank body (3-3), the temperature control plate (3-2) enables the temperature in the adsorption inner tank body (3-3) to rise or fall, a molecular sieve (3-4) is arranged in the adsorption inner tank body (3-3), a second air inlet pipe is arranged on the adsorption inner tank body (3-3), the second air inlet pipe is connected with an adsorption compressor (2-4), the second air inlet pipe is positioned below the molecular sieve (3-4), a second oxygen outlet pipe is arranged in the middle of the upper end of the adsorption inner tank body (3-3), and an electromagnetic valve is arranged in the second oxygen outlet pipe, the second oxygen outlet pipe is connected with the storage tank (4).

6. The oxygen-dispersing pressure swing adsorption oxygen plant of claim 5, wherein: the temperature adjusting plate (2-2) and the temperature control plate (3-2) are both composed of a copper plate, a P-type semiconductor and an N-type semiconductor, the P-type semiconductor is connected with the N-type semiconductor through the plate, the P-type semiconductor and the N-type semiconductor are connected into a control circuit, and the control circuit controls the flowing direction of current in the P-type semiconductor and the N-type semiconductor.

7. The oxygen-dispersing pressure swing adsorption oxygen plant of claim 6, wherein: the electrolytic plates (1-7) are made of insulating materials, the outer separating tank body (2-1) and the inner separating tank body (2-3) are both provided with insulating materials, and the outer adsorbing tank body (3-1) and the inner adsorbing tank body (3-3) are both provided with insulating materials.