CN215692974U - Four tower purification devices of high-purity oxygen - Google Patents

Abstract

The utility model discloses a high-purity oxygen four-tower purification device in the technical field of oxygen purification, which comprises: a reaction tower; the pressurizing tower is connected with the reaction tower, and an inner cavity of the pressurizing tower is communicated with an inner cavity of the reaction tower and used for increasing pressure of the reaction tower; the decompression tower is respectively connected with the reaction tower and the pressurization tower, the inner cavity of the decompression tower is communicated with the inner cavity of the reaction tower, and the inner cavity of the decompression tower is communicated with the inner cavity of the pressurization tower and used for decompressing the reaction tower; the utility model can adjust the pressure in the reaction tower, purify oxygen by adsorbing different components in a mixture by an adsorbent under different pressure conditions, and improve the purity of the oxygen.

Description

Four tower purification devices of high-purity oxygen

Technical Field

The utility model relates to the technical field of oxygen purification, in particular to a high-purity oxygen four-tower purification device.

Background

Oxygen is a simple substance formed by oxygen element, and the chemical formula of oxygen is O2, which is relatively active and can react with most elements with oxygen. Is not very active at normal temperature and is not easy to react with a plurality of substances. But is very active at high temperature and can be directly combined with various elements, which is related to that the electronegativity of oxygen atoms is only inferior to that of fluorine.

The oxygen preparing method includes potassium permanganate extracting method, liquid air separating method, membrane separating technology and adsorption method, and the adsorption method has high extracting efficiency, so that most of the available oxygen extracting methods use adsorption method to prepare oxygen.

However, in the existing oxygen purification process, only nitrogen in the raw material is adsorbed, and other small amount of components in the raw material cannot be removed, so that the purity of oxygen is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-purity oxygen four-tower purification device, which solves the problem that the purity of oxygen is low because only nitrogen in raw materials is adsorbed and other small amount of components in the raw materials cannot be removed in the existing oxygen purification process proposed in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: a high purity oxygen four-column purification apparatus comprising:

a reaction tower;

the pressurizing tower is connected with the reaction tower, and an inner cavity of the pressurizing tower is communicated with an inner cavity of the reaction tower and used for increasing pressure of the reaction tower;

the decompression tower is respectively connected with the reaction tower and the pressurization tower, the inner cavity of the decompression tower is communicated with the inner cavity of the reaction tower, and the inner cavity of the decompression tower is communicated with the inner cavity of the pressurization tower and used for decompressing the reaction tower;

the discharging tower is connected with the reaction tower, and the inner cavity of the discharging tower is communicated with the inner cavity of the reaction tower.

Preferably, the reaction tower includes reaction tower body, first feed inlet, first discharge gate, first air pump, pressure boost interface, decompression interface and a plurality of adsorbent, first feed inlet sets up the side bottom of reaction tower body, first discharge gate sets up the top of reaction tower body, first air pump is installed keep away from on the first discharge gate the one end of reaction tower body, the pressure boost interface sets up keep away from on the reaction tower body one side bottom of first feed inlet, the decompression interface sets up close on the reaction tower body one side top of pressure boost interface is a plurality of the adsorbent is evenly installed the inner chamber of reaction tower body.

Preferably, keep away from on the first feed inlet reaction tower body's one end is installed feed mechanism, feed mechanism includes first connector, first thread groove, first filter screen, first filtration cotton layer and first activated carbon layer, first thread groove sets up the inner chamber of first connector is kept away from the one end of first feed inlet, first filter screen, first filtration cotton layer and first activated carbon layer are installed the inner chamber of first connector, first filter screen is in the right side of first thread groove, first filtration cotton layer is in the right side of first filter screen, first activated carbon layer is in the right side of first filtration cotton layer.

Preferably, the pressure boost tower includes pressure boost tower body, second air pump and third air pump, the second air pump passes through the pipe mounting and is in the lateral wall bottom of pressure boost tower body, the second air pump pass through the pipeline with the pressure boost interface is connected, the third air pump passes through the pipe mounting and is in the lateral wall bottom of pressure boost tower body, the second air pump is symmetrical with the third air pump.

Preferably, the vacuum tower includes vacuum tower body and fourth air pump, the vacuum tower body pass through the pipeline with the third air pump is connected, the fourth air pump passes through the pipe installation in the top of vacuum tower body, the fourth air pump pass through the pipeline with the decompression interface is connected.

Preferably, the ejection of compact tower includes ejection of compact tower body, second feed inlet, baffle, a plurality of filter plate and second discharge gate, the second feed inlet sets up the top of ejection of compact tower body, the inner chamber of second feed inlet with the inner chamber of ejection of compact tower body link up mutually, the baffle slant is installed the inner chamber of ejection of compact tower body is a plurality of the filter plate is evenly installed the inner chamber of ejection of compact tower body, the one end of filter plate with the inner chamber lateral wall of ejection of compact tower body is connected, the other end of filter plate with the lateral wall of baffle is connected, the second discharge gate sets up the lateral wall top of ejection of compact tower body, the inner chamber of second discharge gate with the inner chamber of ejection of compact tower body link up mutually.

Preferably, keep away from on the second discharge gate go out the one end installation of material tower body and arrange material mechanism, it includes second connector, second thread groove, second filter screen, the cotton layer of second filtration and second activated carbon layer to arrange material mechanism, the second thread groove is seted up the inner chamber of second connector is kept away from the one end of second discharge gate, second filter screen, second filtration cotton layer and second activated carbon layer are installed the inner chamber of second connector, the second filter screen is in the left side of second thread groove, the second filters cotton layer and is in the left side of second filter screen, the second activated carbon layer is in the left side of second filtration cotton layer.

Compared with the prior art, the utility model has the beneficial effects that: the utility model can adjust the pressure in the reaction tower, purify oxygen by adsorbing different components in the mixture by the adsorbent under different pressure conditions, improve the purity of oxygen, pump the inert gas in the pressurizing tower body to the inner cavity of the reaction tower body by the second air pump, increase the pressure in the reaction tower body, change the pressure in the inner cavity of the reaction tower body, purify oxygen by adsorbing different components in the mixture by the adsorbent under different pressure conditions, and improve the purity of oxygen.

Drawings

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

FIG. 2 is a schematic view of a reaction column according to the present invention;

FIG. 3 is a schematic view of the feeding mechanism of the present invention;

FIG. 4 is a schematic view of a pressurized column according to the present invention;

FIG. 5 is a schematic view of a vacuum tower according to the present invention;

FIG. 6 is a schematic view of the discharge tower of the present invention;

FIG. 7 is a schematic view of a discharging mechanism according to the present invention.

In the figure: 100 reaction towers, 110 reaction tower bodies, 120 first feed inlets, 130 first discharge outlets, 140 first air pumps, 150 pressurizing connectors, 160 pressure reducing connectors, 170 adsorbents, 200 feed mechanisms, 210 first connecting joints, 220 first threaded grooves, 230 first filter screens, 240 first filter cotton layers, 250 first activated carbon layers, 300 pressurizing towers, 310 pressurizing tower bodies, 320 second air pumps, 330 third air pumps, 400 pressure reducing towers, 410 pressure reducing tower bodies, 420 fourth air pumps, 500 discharge towers, 510 discharge tower bodies, 520 second feed inlets, 530 baffles, 540 filter plates, 550 second discharge outlets, 600 discharge mechanisms, 610 second connecting joints, 620 second threaded grooves, 630 second filter screens, 640 second filter cotton layers and 650 second activated carbon layers.

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.

The present invention provides a four-tower high purity oxygen purification device, which can adjust the pressure in a reaction tower, and purify oxygen by adsorbing different components in a mixture with an adsorbent under different pressure conditions, so as to improve the purity of oxygen, as shown in fig. 1, including: the device comprises a reaction tower 100, a feeding mechanism 200, a pressurizing tower 300, a pressure reducing tower 400, a discharging tower 500 and a discharging mechanism 600;

referring to fig. 1-2, the reaction tower 100 includes a reaction tower body 110, a first inlet 120, a first outlet 130, a first air pump 140, a pressurization interface 150, a pressure reduction interface 160, and a plurality of adsorbents 170, the first inlet 120 is disposed at the bottom of the side of the reaction tower body 110, the first outlet 130 is disposed at the top of the reaction tower body 110, the first air pump 140 is disposed at an end of the first outlet 130 away from the reaction tower body 110, the pressurization interface 150 is disposed at the bottom of the side of the reaction tower body 110 away from the first inlet 120, the pressure reduction interface 160 is disposed at the top of the side of the reaction tower body 110 close to the pressurization interface 150, the plurality of adsorbents 170 are uniformly disposed in an inner cavity of the reaction tower body 110, the first inlet 120 and the reaction tower body 110 are integrally formed, the first outlet 130 and the reaction tower body 110 are integrally formed, the pressurization interface 150 and the reaction tower body 110 are integrally formed, the pressure reducing interface 160 and the reaction tower body 110 are integrally processed;

referring to fig. 1, 2 and 4, a pressurizing tower 300 is connected to a reaction tower 100, an inner cavity of the pressurizing tower 300 is communicated with an inner cavity of the reaction tower 100 for increasing pressure to the reaction tower 100, the pressurizing tower 300 includes a pressurizing tower body 310, a second air pump 320 and a third air pump 330, the second air pump 320 is installed at the bottom of a side wall of the pressurizing tower body 310 through a pipe, the second air pump 320 is connected to a pressurizing port 150 through a pipe, the third air pump 330 is installed at the bottom of a side wall of the pressurizing tower body 310 through a pipe, the second air pump 320 is symmetrical to the third air pump 330, the pressurizing tower body 310 is filled with an inert gas, the inert gas in the pressurizing tower body 310 is pumped to the inner cavity of the reaction tower body 110 through the second air pump 320 to increase the pressure in the reaction tower body 110, so as to change the pressure in the inner cavity of the reaction tower body 110, and purify oxygen by adsorbing different components in a mixture under different pressure conditions through an adsorbent 170, improving the purity of the oxygen;

referring to fig. 1 and 3-5, a decompression tower 400 is respectively connected to a reaction tower 100 and a pressurization tower 300, an inner cavity of the decompression tower 400 is communicated with an inner cavity of the reaction tower 100, the inner cavity of the decompression tower 400 is communicated with the inner cavity of the pressurization tower 300 for depressurizing the reaction tower 100, the decompression tower 400 includes a decompression tower body 410 and a fourth air pump 420, the decompression tower body 410 is connected to a third air pump 330 through a pipe, the fourth air pump 420 is installed on the top of the decompression tower body 410 through a pipe, the fourth air pump 420 is connected to a depressurization interface 160 through a pipe, the fourth air pump 420 pumps air from the reaction tower body 110 to reduce the air pressure in the reaction tower body 110, after the air pressure is reduced, the adsorbent 170 releases the adsorbed components and pumps the released components to facilitate the next purification of oxygen, the third air pump 330 pumps the air in the decompression tower body 410 to the inner cavity of the pressurization tower body 310, the pressure-reducing tower body 410 is used for supplementing the pressure of the pressurizing tower body 310 and releasing the pressure in the pressurizing tower body 410, so that the interior of the pressurizing tower body 310 is always kept in a low-pressure state and the interior of the pressurizing tower body 410 is kept in a high-pressure state;

referring to fig. 1 and 6, a discharging tower 500 is connected to a reaction tower 100, an inner cavity of the discharging tower 500 is communicated with an inner cavity of the reaction tower 100, the discharging tower 500 includes a discharging tower body 510, a second inlet 520, a baffle 530, a plurality of filter plates 540 and a second outlet 550, the second inlet 520 is disposed at the top of the discharging tower body 510, the inner cavity of the second inlet 520 is communicated with the inner cavity of the discharging tower body 510, the baffle 530 is obliquely installed in the inner cavity of the discharging tower body 510, the plurality of filter plates 540 are uniformly installed in the inner cavity of the discharging tower body 510, one end of each filter plate 540 is connected to a side wall of the inner cavity of the discharging tower body 510, the other end of each filter plate 540 is connected to a side wall of the baffle 530, the second outlet 550 is disposed at the top of the side wall of the discharging tower body 510, the inner cavity of the second outlet 550 is communicated with the inner cavity of the discharging tower body 510, the second inlet 520 and the discharging tower body 510 are integrally formed, second discharge gate 550 and ejection of compact tower body 510 are formed for the integration processing, second feed inlet 520 passes through the pipeline and is connected with first air pump 140, the inner chamber of ejection of compact tower body 510 is extracted to the oxygen after will purifying through first air pump 140, the oxygen of extracting ejection of compact tower body 510 inner chamber passes a plurality of filter plates 540 in proper order, filter oxygen once more through a plurality of filter plates 540, with this purity that improves oxygen, the oxygen after the filtration obtains the gap through obtaining between baffle 530 and the ejection of compact tower body 510 inner wall and enters into in the space that ejection of compact tower body 510 inner chamber kept away from filter plates 540 and discharges through second discharge gate 550.

Referring to fig. 1 to 3, a feeding mechanism 200 is installed at an end of the first feed inlet 120 away from the reaction tower body 110, the feeding mechanism 200 includes a first connection head 210, a first thread groove 220, a first filter screen 230, a first filter cotton layer 240 and a first activated carbon layer 250, the first thread groove 220 is installed at an end of an inner cavity of the first connection head 210 away from the first feed inlet 120, the first filter screen 230, the first filter cotton layer 240 and the first activated carbon layer 250 are installed in the inner cavity of the first connection head 210, the first filter screen 230 is located at a right side of the first thread groove 220, the first filter cotton layer 240 is located at a right side of the first filter screen 230, the first activated carbon layer 250 is located at a right side of the first filter cotton layer 240, the first connection head 210 is connected to a raw material bin through the first thread groove 220, a raw material enters the inner cavity of the reaction tower body 110 through the first connection head 210, and a gas entering the inner cavity of the first connection head 210 sequentially passes through the first filter screen 230, the first activated carbon layer 250, First filter cotton layer 240 and first activated carbon layer 250 filter the raw materials through first filter screen 230, first filter cotton layer 240 and first activated carbon layer 250, reduce the impurity in the raw materials, and the reaction tower body 110 of being convenient for purifies the raw materials.

Referring to fig. 1, 6 and 7, a discharging mechanism 600 is installed at an end of the second discharge port 550 far from the discharge tower body 510, the discharging mechanism 600 includes a second connector 610, a second screw groove 620, a second filter screen 630, a second filter cotton layer 640 and a second activated carbon layer 650, the second screw groove 620 is installed at an end of the inner cavity of the second connector 610 far from the second discharge port 550, the second filter screen 630, the second filter cotton layer 640 and the second activated carbon layer 650 are installed in the inner cavity of the second connector 610, the second filter screen 630 is located at the left side of the second screw groove 620, the second filter cotton layer 640 is located at the left side of the second filter screen 630, the second activated carbon layer 650 is located at the left side of the second filter cotton layer 640, the discharge tower body 510 is connected with a storage tank through the second connector 610, purified oxygen is delivered into the storage tank through the second connector 610 to be encapsulated and stored in the connection tank, the purified oxygen enters the inner cavity of the second filter cotton layer 610 through the discharge tower body 510 and then passes through the second activated carbon layer 610 sequentially 650. The second filter cotton layer 640 and the second filter screen 630 further purify the oxygen to obtain high-purity oxygen.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (7)

1. The utility model provides a four tower purification devices of high-purity oxygen which characterized in that: the method comprises the following steps:

a reaction tower (100);

the reaction tower (100) is connected with the booster tower (300), and an inner cavity of the booster tower (300) is communicated with an inner cavity of the reaction tower (100) and used for increasing pressure of the reaction tower (100);

the pressure reducing tower (400), the pressure reducing tower (400) is respectively connected with the reaction tower (100) and the pressurizing tower (300), the inner cavity of the pressure reducing tower (400) is communicated with the inner cavity of the reaction tower (100), and the inner cavity of the pressure reducing tower (400) is communicated with the inner cavity of the pressurizing tower (300) and used for reducing the pressure of the reaction tower (100);

the discharging tower (500) is connected with the reaction tower (100), and the inner cavity of the discharging tower (500) is communicated with the inner cavity of the reaction tower (100).

2. The four-column purification device of high purity oxygen as claimed in claim 1, wherein: the reaction tower (100) comprises a reaction tower body (110), a first feeding hole (120), a first discharging hole (130), a first air pump (140), a pressurization interface (150), a decompression interface (160) and a plurality of adsorbents (170), the first feed inlet (120) is arranged at the bottom of the side surface of the reaction tower body (110), the first discharge hole (130) is arranged at the top of the reaction tower body (110), the first air pump (140) is arranged at one end of the first discharge hole (130) far away from the reaction tower body (110), the pressurizing connector (150) is arranged at the bottom of one side of the reaction tower body (110) far away from the first feed inlet (120), decompression interface (160) set up on reaction tower body (110) near one side top of pressure boost interface (150), a plurality of adsorbent (170) are evenly installed the inner chamber of reaction tower body (110).

3. The four-column purification device of high purity oxygen as claimed in claim 2, wherein: a feeding mechanism (200) is arranged at one end of the first feeding hole (120) far away from the reaction tower body (110), the feeding mechanism (200) comprises a first connecting head (210), a first thread groove (220), a first filter screen (230), a first filter cotton layer (240) and a first activated carbon layer (250), the first thread groove (220) is arranged at one end of the inner cavity of the first connecting head (210) far away from the first feeding hole (120), the first filter screen (230), the first filter cotton layer (240) and the first active carbon layer (250) are arranged in the inner cavity of the first connector (210), the first filter (230) is on the right side of the first thread groove (220), the first filter cotton layer (240) is arranged at the right side of the first filter screen (230), the first activated carbon layer (250) is on the right side of the first filter cotton layer (240).

4. The four-column purification device of high purity oxygen as claimed in claim 3, wherein: pressure boost tower (300) are including pressure boost tower body (310), second air pump (320) and third air pump (330), second air pump (320) are installed through the pipeline the lateral wall bottom of pressure boost tower body (310), second air pump (320) through the pipeline with pressure boost interface (150) are connected, third air pump (330) are installed through the pipeline the lateral wall bottom of pressure boost tower body (310), second air pump (320) are symmetrical with third air pump (330).

5. The four-column purification device of high purity oxygen as claimed in claim 4, wherein: decompression tower (400) are including decompression tower body (410) and fourth air pump (420), decompression tower body (410) through the pipeline with third air pump (330) are connected, fourth air pump (420) pass through the pipe mounting and are in the top of decompression tower body (410), fourth air pump (420) through the pipeline with decompression interface (160) are connected.

6. The four-column purification device of high purity oxygen as claimed in claim 5, wherein: the discharging tower (500) comprises a discharging tower body (510), a second feeding hole (520), a baffle (530), a plurality of filter plates (540) and a second discharging hole (550), the second feed inlet (520) is arranged at the top of the discharging tower body (510), the inner cavity of the second feeding hole (520) is communicated with the inner cavity of the discharging tower body (510), the baffle (530) is obliquely arranged in the inner cavity of the discharging tower body (510), the plurality of filter plates (540) are uniformly arranged in the inner cavity of the discharging tower body (510), one end of the filter plate (540) is connected with the inner cavity side wall of the discharging tower body (510), the other end of the filter plate (540) is connected with the side wall of the baffle plate (530), the second discharge hole (550) is arranged at the top of the side wall of the discharge tower body (510), the inner cavity of the second discharge hole (550) is communicated with the inner cavity of the discharge tower body (510).

7. The four-column purification device of high purity oxygen as claimed in claim 6, wherein: a discharging mechanism (600) is arranged at one end of the second discharging hole (550) far away from the discharging tower body (510), the discharging mechanism (600) comprises a second connector (610), a second thread groove (620), a second filter screen (630), a second filter cotton layer (640) and a second activated carbon layer (650), the second thread groove (620) is arranged at one end of the inner cavity of the second connector (610) far away from the second discharge hole (550), the second filter screen (630), the second filter cotton layer (640) and the second activated carbon layer (650) are arranged in the inner cavity of the second connector (610), the second filter screen (630) is at the left side of the second screw groove (620), the second filter cotton layer (640) is arranged at the left side of the second filter screen (630), the second activated carbon layer (650) is on the left side of the second filter cotton layer (640).

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