CN113019068B - Oxygen-making adsorption tower - Google Patents
Oxygen-making adsorption tower Download PDFInfo
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- CN113019068B CN113019068B CN202110562904.3A CN202110562904A CN113019068B CN 113019068 B CN113019068 B CN 113019068B CN 202110562904 A CN202110562904 A CN 202110562904A CN 113019068 B CN113019068 B CN 113019068B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/0407—Constructional details of adsorbing systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
Abstract
The invention discloses an oxygen production adsorption tower which comprises a tower body, an annular adsorption bin and an air outlet channel. The bottom of tower body is equipped with inlet channel, the top of tower body is equipped with the filler passageway. The annular adsorbs the storehouse to be established in the tower body, the annular adsorb the top in storehouse with the top of tower body links to each other, just the annular adsorb the storehouse with filler channel intercommunication, the annular adsorb the periphery wall in storehouse with the side periphery wall interval of tower body is arranged with the annular adsorb the periphery wall in storehouse with form the chamber of admitting air between the side periphery wall of tower body, the chamber of admitting air with inlet channel intercommunication, form the chamber of giving vent to anger in the internal perisporium in annular adsorption storehouse. The oxygen-making adsorption tower provided by the invention can reduce the dead space, the gas is uniformly distributed, and the system operation efficiency is improved.
Description
Technical Field
The invention relates to the field of gas separation and purification, in particular to an oxygen production adsorption tower.
Background
In the related art, in order to obtain rich oxygen with low energy consumption and low cost, a pressure swing adsorption oxygen production device is generally adopted to produce oxygen. Along with the needs of a large number of smelting projects, the scale demand of the pressure swing adsorption oxygen generation device is increased, so that the development of the pressure swing adsorption oxygen generation device towards large-scale is promoted, and the adsorption tower is a key device of the pressure swing adsorption oxygen generation device.
In the related art, there are two types of oxygen generation adsorption towers in the industry: axial flow adsorption columns and radial flow adsorption columns. The domestic oxygen-making scale is greater than 1000 standard meters per hour and the oxygen-making device generally adopts a radial flow adsorption tower. The conventional radial flow adsorption tower adopts a structure that raw material gas enters and is ejected out from the bottom, so that a dead space exists, and the operation efficiency of an oxygen generation system is influenced; in addition, the radial flow adsorption tower is high, and troubles are brought to the installation and the maintenance of large-diameter pipelines and valves.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the embodiment of the invention provides an oxygen production adsorption tower which can reduce the dead space and improve the system operation efficiency.
The oxygen-making adsorption tower comprises a tower body, wherein an air inlet channel is arranged at the bottom of the tower body, and a filler channel is arranged at the top of the tower body; the annular adsorption bin is arranged in the tower body, the top of the annular adsorption bin is connected with the top of the tower body, the annular adsorption bin is communicated with the filler channel, the outer peripheral wall of the annular adsorption bin and the side peripheral wall of the tower body are arranged at intervals to form an air inlet cavity between the outer peripheral wall of the annular adsorption bin and the side peripheral wall of the tower body, the air inlet cavity is communicated with the air inlet channel, and an air outlet cavity is formed in the inner peripheral wall of the annular adsorption bin; a support column is arranged in the gas outlet cavity, the top end of the support column is connected with the top of the tower body, and the bottom end of the support column is connected with the bottom of the tower body or the inner wall of the gas outlet channel; and the air outlet channel is arranged at the bottom of the tower body, at least part of the air outlet channel is arranged in the air inlet channel, and the air outlet channel is communicated with the bottom of the air outlet cavity in a sealing manner so as to discharge oxygen prepared.
According to the oxygen generation adsorption tower provided by the embodiment of the invention, the dead space can be reduced, and the system operation efficiency is improved.
In some embodiments, the top of the supporting column extends to the outside of the gas outlet cavity and into the packing channel, the packing channel includes a first section and a second section, the first section is a circular ring column shape, the second section is a conical ring column shape, and the second section is connected between the first section and the annular adsorption bin.
In some embodiments, the air outlet channel includes an air outlet section and a plurality of branch pipe sections, the top end of the air outlet section is communicated with the air outlet cavity, the plurality of branch pipe sections are all arranged at the bottom of the air outlet section and are all communicated with the air outlet section, the plurality of branch pipe sections are arranged at intervals along the circumferential direction of the tower body, and the plurality of branch pipe sections penetrate through the bottom wall of the tower body in a sealing manner or penetrate through the channel wall of the air inlet channel in a sealing manner.
In some embodiments, the air outlet channel further includes a converging section, the converging section is sleeved on the outer periphery side of the air inlet channel to form a converging cavity between the outer periphery wall of the air inlet channel and the inner periphery of the converging section, the converging section is provided with an air outlet communicated with the converging cavity, and the plurality of branch pipe sections are communicated with the converging cavity.
In some embodiments, the radial dimension of the gas exit segment is less than the radial dimension of the gas exit cavity.
In some embodiments, the inner circumferential wall and the outer circumferential wall of the annular adsorption bin are coated with wire mesh.
In some embodiments, the air inlet passage includes a third section and a fourth section, the third section is a truncated cone shape, the radial dimension of the third section gradually increases along the direction from bottom to top, the fourth section is a cylindrical shape, and the third section is connected between the tower body and the fourth section.
In some embodiments, the outer circumferential side of the tower body is provided with a plurality of standoffs, which are arranged at intervals along the circumferential direction of the tower body.
In some embodiments, the top of the tower body is provided with a manhole.
In some embodiments, the axis of the support column and the axis of the outlet cavity are coaxially arranged.
Drawings
FIG. 1 is a schematic diagram of an oxygen production adsorption column according to an embodiment of the invention.
Fig. 2 is a schematic view of an oxygen generation adsorption column according to another embodiment of the present invention.
Fig. 3 is a distribution diagram of a segment of an outlet channel branch according to another embodiment of the present invention.
FIG. 4 is a schematic view of air flow according to an embodiment of the present invention.
Reference numerals:
a tower body 1; a cylinder 11; an upper end enclosure 12; a lower end enclosure 13;
an intake passage 2; a third section 21; a fourth segment 22;
a filler passage 3; a first section 31; a second section 32;
an annular adsorption bin 4;
an air inlet cavity 5;
an air outlet cavity 6;
an air outlet channel 7; an air outlet section 71; a branch pipe section 72; a bus bar section 73;
a support column 8;
a wire mesh 9;
a manhole 10;
a support 011.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
As shown in fig. 1, the oxygen production adsorption tower according to the embodiment of the invention comprises a tower body 1, an annular adsorption bin 4 and an air outlet channel 2.
The bottom of the tower body 1 is provided with an air inlet channel 2, and the top of the tower body 1 is provided with a filler channel 3. Specifically, as shown in fig. 1, the tower body 1 may be composed of a cylinder 11, an upper head 12, and a lower head 13. The upper end enclosure 13 is welded at the upper end part of the cylinder body 11, the lower end enclosure 13 is welded at the lower end part of the cylinder body 11, and a cavity is formed inside the tower body 1. The air inlet channel 2 is arranged at the lower end socket of the tower body 1 and communicated with the inner cavity of the tower body 1, and raw material air can be introduced into the tower body 1 through the air inlet channel 2. Filler channel 3 establishes the upper cover department at the tower body to with the inside annular of tower body 1 adsorb storehouse 4 intercommunication, can supply the adsorbent in the annular adsorbs storehouse 4 through filler channel 3.
The annular adsorbs storehouse 4 to establish in tower body 1, and the top that the annular adsorbed storehouse 4 links to each other with tower body 1's top, and the annular adsorbs storehouse 4 and filler channel 3 intercommunication, and the periphery wall of annular adsorbed storehouse 4 and the side of tower body 1 are peripheral wall interval arrangement in order to form air inlet chamber 5 between the periphery wall of annular adsorbed storehouse 4 and the side periphery wall of tower body 1, and air inlet chamber 5 and air inlet channel 2 intercommunication form air outlet chamber 6 in the internal perisporium of annular adsorbed storehouse 4. Be equipped with support column 8 in the air outlet cavity 6, and the top of support column 8 links to each other with the top of tower body 1, and the bottom of support column 8 links to each other with the bottom of tower body 1 or links to each other with air outlet channel 7's inner wall.
Specifically, as shown in fig. 1, the annular adsorption bin 4 is arranged in the tower body 1, and the top end of the annular adsorption bin 4 is welded to the upper end enclosure 12. Annular adsorption storehouse 4 includes a plurality of adsorbent frames, and a plurality of adsorbent frames form the annular and arrange, and two adjacent adsorbent frames welded connection, and the absorption frame intussuseption is filled with the adsorbent.
The periphery wall of annular absorption storehouse 4 and the inner wall interval arrangement of tower body 1 and form air inlet cavity 5 between the two, air inlet cavity 5 is the circular column shape. The air inlet cavity 5 is communicated with the air inlet channel 2, and the raw material gas introduced into the air inlet channel can directly flow into the air inlet cavity 5. The filler channel 3 runs through the upper end socket of the tower body 1, the top of the annular adsorption bin 4 is communicated with the filler channel 3, and the upper end part of the filler channel 3 can be provided with a flange cover. The bottom of the annular adsorption bin 4 is of a closed structure, so that raw material gas can only pass through the outer peripheral wall of the annular adsorption bin 4 and the inner peripheral wall of the annular adsorption bin 4.
An air outlet cavity 6 is formed in the inner peripheral wall of the annular adsorption bin 4, and the air outlet cavity 6 is in a circular column shape. The gas flowing out from the inner peripheral wall of the annular adsorption bin 4 can be directly gathered in the gas outlet cavity 6.
The support column 8 may be a hollow column or a solid column. The top and the 1 top welded connection of tower body of support column, its bottom and 1 bottom welded connection of tower body, for example, the bottom of support column can be equipped with a plurality of connecting rods, and a plurality of connecting rods are arranged along the equidistant of the circumferential direction of support column, and each connecting rod all supports between the low head of support column and tower body bottom, and the clearance between two adjacent connecting rods then can supply in the oxygen inflow air outlet channel of the intracavity of giving vent to anger. It is understood that in other embodiments, the bottom end of the supporting column 8 may be connected to the inner wall of the air outlet channel 7 through a connecting rod.
The air outlet channel 7 is arranged at the bottom of the tower body 1, at least part of the air outlet channel 7 is arranged in the air inlet channel 2, and the air outlet channel 7 is communicated with the bottom of the air outlet cavity 6 in a sealing way so as to discharge the prepared oxygen.
As shown in fig. 1, the air outlet channel 7 is arranged at the lower end of the tower body 1, the air outlet channel 7 penetrates through the side wall of the air inlet channel 2, and the top end of the air outlet channel 7 is communicated with the air outlet cavity. One end of the air outlet channel is communicated with the air outlet cavity 6, and the other end of the air outlet channel penetrates out from the lower end of the tower body.
As shown in FIG. 4, the direction of the arrow in FIG. 4 is the direction of the gas flow in the oxygen production adsorption tower. In the system oxygen adsorption tower use, raw materials gas gets into tower body 1 from inlet channel 2, flows and passes annular absorption storehouse 4 in chamber 5 admits air, adsorbs the absorbent in the storehouse 4 through the annular and can adsorb components such as vapor, nitrogen gas, carbon dioxide, and oxygen then can pass the annular and adsorb the storehouse and enter into out gas cavity 6 in, and the oxygen that makes can flow through the outlet channel 7 of 6 bottoms in the storehouse of giving vent to anger.
According to the oxygen production adsorption tower provided by the embodiment of the invention, the support column 8 is arranged in the tower body 1, on one hand, the support column can be supported between the top and the bottom of the tower body, so that the structural strength of the tower body is enhanced, on the other hand, the support column can occupy the internal space of the adsorption tower, so that the space for gas flowing in the adsorption tower is reduced, the volume of a dead space is correspondingly reduced, and the working efficiency of the adsorption tower is favorably improved.
Because inlet channel and outlet channel all establish the bottom at the tower body, the raw materials gas that flows into the chamber of admitting air from inlet channel is because relative molecular mass is little, and the raw materials gas can upwards flow by oneself and be full of whole chamber of admitting air in the upper and lower direction, then the raw materials gas can radially flow and pass the annular in the inboard in the horizontal direction and adsorb the storehouse, and the oxygen that flows out in the annular adsorbs the storehouse can be covered with whole air outlet chamber in the upper and lower direction, from this, further reduced "dead space" in the tower body, further improved work efficiency.
In addition, because inlet channel and outlet channel all establish the bottom at the tower body, the position department subaerial or near ground can be established to the valve on inlet channel and the outlet channel to convenient the maintenance, avoided among the correlation technique operating personnel need climb to the top of tower body and the condition that has the potential safety hazard.
In some embodiments, the top of the support column 8 extends to the outside of the gas outlet cavity 6 and into the packing channel 1, the packing channel 3 comprises a first section 31 and a second section 32, the first section 31 is circular cylindrical, the second section 32 is conical cylindrical, and the second section 32 is connected between the first section 31 and the annular adsorption bin 4.
Specifically, as shown in fig. 1, the cross section of the packing channel in the horizontal direction is circular, the packing channel surrounds the outer periphery of the support column, and according to the difference of the shape, the packing channel can be divided into a first section and a second section in the up-down direction, wherein the first section is integrally circular cylindrical, the second section is integrally conical cylindrical, the top end of the second section with small radial size is communicated with the first section, and the bottom end of the second section with large radial size is communicated with the top of the annular adsorption bin. During the packing operation, the adsorbent can be introduced into the annular adsorption bin through the first section and the second section.
The setting of filler passageway has made things convenient for filling of adsorbent, in addition, because the second section has certain inclination, during the operation of packing, the second section has the effect that slows down adsorbent landing speed, has avoided the adsorbent falling speed very fast to cause the condition of great impact to annular absorption storehouse easily.
In some embodiments, the gas outlet channel 7 includes a gas outlet section 71 and a plurality of branch sections 72, the top end of the gas outlet section 71 is communicated with the gas outlet cavity 6, the plurality of branch sections 72 are all disposed at the bottom of the gas outlet section 71 and are all communicated with the gas outlet section 71, the plurality of branch sections 72 are arranged at intervals along the circumferential direction of the tower body 1, and the plurality of branch sections 72 seal through the bottom wall of the tower body 1 or seal through the channel wall of the gas inlet channel 2.
Specifically, as shown in fig. 2, the outlet section 71 is a hollow cylindrical tube, which is arranged coaxially with the outlet chamber 6, and is provided between the branch pipe section 72 and the outlet chamber 6. The number of the branch pipe sections is two, the top ends of the two branch pipe sections 72 are communicated with the bottom of the air outlet section 71 and are symmetrically distributed about the axis of the air outlet section 71. The bottom ends of the two branch pipe sections 72 are sealed and penetrate through the lower seal head 13.
The symmetrically distributed branch pipe sections 72 can avoid uneven distribution of air flow, uneven air pressure and uneven flow velocity when air flows into the annular adsorption bin 4 in the tower body 1. The high flow velocity of the gas passing through the annular adsorption bin 4 reduces the impurity adsorption capacity of the adsorbent, so that the purity of the oxygen in the gas outlet cavity 6 is reduced, and the product quality is reduced.
It is to be understood that in other embodiments the number of leg sections 72 may be 4, as shown in fig. 3, and that the 4 leg sections 72 are evenly distributed along the circumference of the tower body 1. The number of leg segments can also be 3, 5, etc. In other embodiments, the bottom end of each leg segment may pass through a channel wall of the inlet channel.
In some embodiments, the air outlet channel 7 further includes a converging section 73, the converging section 73 is sleeved on the outer periphery side of the air inlet channel 2 to form a converging cavity between the outer periphery wall of the air inlet channel 2 and the inner periphery of the converging section 73, the converging section 73 is provided with an air outlet communicated with the converging cavity, and the plurality of branch pipe sections 72 are all communicated with the converging cavity.
As shown in fig. 2, the confluence section may be a square tube with a closed bottom end, and an air outlet is arranged on a tube body of the square tube. The bus bar section 73 is fitted around the outer periphery of the intake passage 2. The bottom end of each branch pipe section 72 is communicated with the inner cavity of the confluence section. Oxygen can flow into the confluence section through the branch pipe section 72 and then flows out of the oxygen-making adsorption tower through the air outlet on the confluence section.
The setting up of the section of converging has played the effect of assembling the oxygen that flows from each branch pipe section, can realize the collection to oxygen through set up a gas outlet on the section of converging, has made things convenient for the collection of oxygen.
In some embodiments, the radial dimension of the gas outlet section 71 is smaller than the radial dimension of the gas outlet cavity 6.
As shown in fig. 2, the cross-sectional dimension of the gas outlet section 71 is smaller than the cross-sectional dimension of the gas outlet cavity 6 in the horizontal direction, so that the flow velocity of oxygen flowing through the gas outlet section 71 is increased, and oxygen can flow out of the oxygen generation adsorption tower conveniently.
In some embodiments, both the inner and outer circumferential walls of the annular adsorption bin are coated with a wire mesh 9.
As shown in fig. 2, the silk screen 9 includes an inner silk screen and an outer silk screen, the inner silk screen covers the inner peripheral wall of the annular adsorption bin, the outer silk screen covers the outer peripheral wall of the annular adsorption bin, and the upper and lower edges of the inner silk screen and the upper and lower edges of the outer silk screen can be fixedly connected to the upper end enclosure 12 or the lower end enclosure through positioning pins. The wire mesh 9 can separate the mist in the gas and reduce the impurities in the prepared oxygen.
In some embodiments, the inlet duct 2 comprises a third section 21 and a fourth section 22, the third section 21 is a truncated cone, the radial dimension of the third section 21 increases gradually from bottom to top, the fourth section 22 is a cylindrical section, and the third section 21 is connected between the tower 1 and the fourth section 22.
As shown in fig. 2, the fourth section 22 is coaxial with the tower 1. The lower end part of the third section 21 is communicated with the upper end part of the fourth section 22, and the upper end part of the third section is hermetically connected with the upper end enclosure 13. The third section is communicated with the air inlet cavity. The provision of the third section 21 and the fourth section 22 facilitates an even flow of gas into the inlet chamber 5, facilitating an even distribution of gas in the inlet chamber 5. The cross section size of the third section 21 gradually increases, plays a role in buffering and slowing down the flow velocity, and avoids the situation that the airflow disorder is easily aggravated due to large volume difference between the air inlet channel and the tower body. .
In some embodiments, the outer circumferential side of the tower body 1 is provided with a plurality of supports 011, the plurality of supports 011 being arranged at intervals along the circumferential direction of the tower body 1.
Specifically, as shown in fig. 1 and 2, the support 011 can be a right-angle triangle, the side edge of the support 011 is welded to the outer wall of the tower body 1, and the bottom edge of the support is perpendicular to the outer wall of the tower body 1. The support 011 is used for fixing the oxygen production adsorption tower and preventing the oxygen production adsorption tower from inclining and collapsing. It is understood that in other embodiments, the support 011 can be a square plate.
In some embodiments the top of the tower 1 is provided with a manhole 10.
The manhole 10 is a hollow round pipe, a valve is arranged at the top of the manhole 10, and the bottom of the manhole is communicated with the inner cavity of the tower body. The valve can be provided with a pressure sensor which is electrically connected with the alarm device. When the pressure in the adsorption tower is too high, the sensor can sound the alarm. The manhole is used for preventing the oxygen-making adsorption tower from causing explosion due to too high air pressure. It will be appreciated that in other embodiments, the manhole may also be a square pipe.
In some embodiments, the axis of the support column 8 and the axis of the outlet cavity 6 are arranged coaxially.
Specifically, as shown in fig. 1 and 2, the support column is cylindrical, the gas outlet cavity 6 is formed by the inner wall of the annular adsorption bin 4, and the two are coaxially arranged to ensure that the space of the gas outlet cavity 6 is uniformly distributed, so that oxygen is uniformly distributed in the gas outlet cavity 6, and the gas outlet cavity 6 is prevented from locally forming pressure difference to disturb the flow of gas in the oxygen generation adsorption tower.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (9)
1. An oxygen production adsorption column, comprising:
the tower body is provided with an air inlet channel at the bottom and a filler channel at the top;
the annular adsorption bin is arranged in the tower body, the top of the annular adsorption bin is connected with the top of the tower body, the annular adsorption bin is communicated with the filler channel, the outer peripheral wall of the annular adsorption bin and the side peripheral wall of the tower body are arranged at intervals to form an air inlet cavity between the outer peripheral wall of the annular adsorption bin and the side peripheral wall of the tower body, the air inlet cavity is communicated with the air inlet channel, and an air outlet cavity is formed in the inner peripheral wall of the annular adsorption bin; a support column is arranged in the gas outlet cavity, the top end of the support column is connected with the top of the tower body, and the bottom end of the support column is connected with the bottom of the tower body or the inner wall of the gas outlet channel;
the gas outlet channel is arranged at the bottom of the tower body, at least part of the gas outlet channel is arranged in the gas inlet channel, and the gas outlet channel is communicated with the bottom of the gas outlet cavity in a sealing manner so as to discharge the prepared oxygen;
the top of support column extends to go out the outside of gas cavity and stretch into in the filler passageway, the filler passageway includes first section and second section, first section is the ring cylindricality, the second section is the cone ring cylindricality, the second section is connected first section with between the annular adsorbs the storehouse.
2. The oxygen generation adsorption tower of claim 1, wherein the gas outlet channel comprises a gas outlet section and a plurality of branch pipe sections, the top end of the gas outlet section is communicated with the gas outlet cavity, the plurality of branch pipe sections are all arranged at the bottom of the gas outlet section and are all communicated with the gas outlet section, the plurality of branch pipe sections are arranged at intervals along the circumferential direction of the tower body, and the plurality of branch pipe sections are sealed to penetrate through the bottom wall of the tower body or through the channel wall of the gas inlet channel.
3. The oxygen generation adsorption tower of claim 2, wherein the gas outlet channel further comprises a confluence section, the confluence section is sleeved on the outer periphery side of the gas inlet channel to form a confluence cavity between the outer periphery wall of the gas inlet channel and the inner periphery of the confluence section, the confluence section is provided with a gas outlet communicated with the confluence cavity, and the branch pipe sections are all communicated with the confluence cavity.
4. The oxygen-generating adsorption column of claim 2, wherein the radial dimension of the gas outlet section is less than the radial dimension of the gas outlet cavity.
5. The oxygen generation adsorption tower of claim 1, wherein the inner peripheral wall and the outer peripheral wall of the annular adsorption bin are coated with wire mesh.
6. The oxygen generation adsorption tower of claim 1, wherein the inlet channel comprises a third section and a fourth section, the third section is in a truncated cone shape, the radial dimension of the third section is gradually increased along the direction from bottom to top, the fourth section is in a cylindrical shape, and the third section is connected between the tower body and the fourth section.
7. The oxygen generation adsorption tower of claim 1, wherein the tower body is provided with a plurality of supports on an outer peripheral side thereof, the plurality of supports being spaced apart along a circumferential direction of the tower body.
8. The oxygen generation adsorption column of any one of claims 1-7, wherein a manhole is provided at a top of the column body.
9. The oxygen generation adsorption column of any one of claims 1 to 7, wherein the axis of the support column and the axis of the gas outlet chamber are coaxially arranged.
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|---|---|---|---|---|
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| KR102191964B1 (en) * | 2019-04-29 | 2020-12-16 | (주)리엔텍엔지니어링 | Dry adsorption tower to reduce pressure loss |
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| CN201308804Y (en) * | 2008-11-17 | 2009-09-16 | 杨海申 | Dry-type air absorption purification tower |
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