CN203447944U - Radial oxygen production adsorption tower - Google Patents
Radial oxygen production adsorption tower Download PDFInfo
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- CN203447944U CN203447944U CN201320463919.5U CN201320463919U CN203447944U CN 203447944 U CN203447944 U CN 203447944U CN 201320463919 U CN201320463919 U CN 201320463919U CN 203447944 U CN203447944 U CN 203447944U
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Abstract
The utility model provides a radial oxygen production adsorption tower and belongs to the technical field of mechanical equipment. The radial oxygen production adsorption tower can solve the technical problems of excessively small height-diameter ratio, excessively large occupied area, non-uniform adsorption and the like of the adsorption tower in the prior art. The radial oxygen production adsorption tower comprises a cylindrical tower body, wherein a gas inlet assembly is arranged at the bottom of the tower body, a gas outlet assembly is arranged at the top of the tower body, an adsorption assembly is arranged in the tower body, an annular gas conveying cavity is formed between the inner wall of the tower body and the outer wall of the adsorption assembly, the gas inlet assembly comprises an annular gas vent positioned in the periphery of the lower end of the adsorption assembly, the annular gas vent runs through the gas conveying cavity, the gas conveying cavity can radially convey a gas flow to the adsorption assembly, the two ends of the adsorption assembly are sealed, a gas collecting channel for collecting finished product oxygen is arranged at the center of the adsorption assembly, the lower end of the gas collecting channel is sealed, and the upper end of the gas collecting channel is communicated with the gas outlet assembly. The radial oxygen production adsorption tower provided by the utility model has the advantages of uniform adsorption, high adsorption efficiency, small occupied area, capability of realizing large-scale design and the like.
Description
Technical field
The utility model belongs to mechanical equipment technical field, relates to a kind of absorption tower, especially relates to a kind of radially oxygen adsorption tower.
Background technology
In modern industry, the technology that adsorption tower carries out adsorbing separation to gas is widely used in the industries such as petrochemical industry, medicine metallurgy, electronics, as separated in gas, be dried and air cleaning, wastewater treatment, oxygen nitrogen processed etc.In adsorption tower, sorbing material generally adopts molecular sieve, and molecular sieve has suction-operated to a certain or several components in mixed gas feed, and when gas passes through adsorption tower, one or more components are adsorbed, and other components are separated, reach separating effect.But existing adsorption tower is mostly axial adsorption tower, be that air inlet and the direction of giving vent to anger are all along axially, the resistance that the more past place of working off one's feeling vent one's spleen of gas is subject to sorbing material is larger, if resistance causes gas to pass through or Negotiation speed is excessively slow, adsorption tower just can not normally be used; And if the excessive velocities that gas passes through, can produce the phenomenon of molecular sieve " boiling ", in order to prevent molecular sieve " boiling ", conventionally molecular sieve is compressed with pressure, thereby so just cause the molecular sieve fragmentation in adsorption tower bottom to lose normal adsorption function, have influence on the adsorption efficiency of whole adsorption tower.Therefore height and diameter ratio can not excessive (conventionally about 1:1) when design for the absorbent module of existing adsorption tower.In order to improve the ratio of height to diameter of adsorption tower absorbent module, reduce the floor space of adsorption tower, improve adsorption efficiency, by adsorption tower toward the design of maximization direction, people's radially adsorption tower that begins one's study.
For example, Chinese patent literature discloses a kind of radial flow absorbing vessel [Granted publication number: CN1145519C], comprises and is essentially columniform shell, and shell has the longitudinal axis, the first diameter, first end, with respect to the second end of first end; Be arranged in shell and adjacent with the second end of shell and be rigidly connected to the base plate on shell; Be arranged on the columniform outer net that is essentially in shell; Be arranged on the columniform Intranet in position substantially in outer net; At least one is arranged on the columniform Intranet in position substantially between internal, external network; At least one is arranged on the columniform mid-level net that is essentially between internal, external network, and outer net has the longitudinal axis substantially parallel with the longitudinal axis of shell, is less than the Second bobbin diameter of the first diameter of shell, the lower end that He Yu upper end, upper end is relative etc.
The adsorption tower that such scheme provides, can effectively improve ratio of height to diameter, reduce the floor space of adsorption tower, and can multiple adsorbent has been installed in an adsorption tower and there is deformable net, can improve the thermal and mechanical stress of net when the shrinkage of adsorbent heat expansion.But the air inlet of above-mentioned scheme is from Intranet air inlet, giving vent to anger is to give vent to anger from outer net, that is to say that gas is radially to pass through from inside to outside adsorbent, more arrives outside gas pressure less, can cause the phenomenon of adsorbing inhomogeneous and " crossfire " to occur, and this also directly have influence on adsorption efficiency; Secondly, this adsorption tower does not have air inlet current equalizer, causes the air-flow of air inlet unbalanced, affects the even assimilation effect of whole adsorption tower; Again, this adsorption tower does not design admission pressure balanced structure, cause the pressure of air inlet inhomogeneous in whole adsorption tower, can affect equally the even absorption of adsorption tower, and then cause the adsorption effect of adsorbent to decline, therefore the adsorption efficiency of above-mentioned adsorption tower is general, and is not suitable for the oxygen generating plant of maximization.
Utility model content
The purpose of this utility model is for the problems referred to above, and a kind of radially oxygen adsorption tower is provided; The ratio of height to diameter that has solved the existing adsorption tower of prior art is too small, and floor space is excessive and adsorb the technical problems such as inhomogeneous.
For achieving the above object, the utility model has adopted following technical proposal:
A kind of radially oxygen adsorption tower, comprise tubular tower body, in tower body bottom, be provided with air intake assembly, top is provided with out pneumatic module, in described tower body, be provided with absorbent module, between described tower body inwall and absorbent module outer wall, form ringwise gas transmission chamber, described air intake assembly has the ring-shaped ventilation mouth that is positioned at periphery, absorbent module lower end, described ring-shaped ventilation mouth and gas transmission chamber connect and gas transmission chamber can make air-flow radial delivery to absorbent module, the closed at both ends of described absorbent module and having at absorbent module center for collecting the channel of gas collection of finished product oxygen, described channel of gas collection lower end closed, upper end with go out pneumatic module and be connected.
In above-mentioned radially oxygen adsorption tower, described gas transmission chamber cross-sectional area from the bottom to top diminishes gradually.
In above-mentioned radially oxygen adsorption tower, described gas transmission chamber is large upper end, lower end circlet shape circular cone tubular.
In above-mentioned radially oxygen adsorption tower, described air intake assembly comprises that shutoff is at the distributor of absorbent module bottom, between described distributor and tower body bottom, form and be large conical distribution chamber, little upper end, lower end, in tower body bottom, be provided with the air inlet connecting with conical distribution chamber, described ring-shaped ventilation interruption-forming is communicated with gas transmission chamber by ring-shaped ventilation mouth in top and the conical distribution chamber in conical distribution chamber.
In above-mentioned radially oxygen adsorption tower, described distributor is large coniform in little upper end, lower end and has top towards the conical projections of air inlet at distributor center, described conical projections center line overlaps with air inlet axial line extended line, at air inlet, is provided with pre-distributor.
In above-mentioned radially oxygen adsorption tower, between described distributor and tower body bottom, be provided with some equally distributed support plates in a circumferential direction, described distributor top is provided with the stiffening plate for shutoff absorbent module lower end, and described support plate upper end is passed distributor and is connected with stiffening plate.
In above-mentioned radially oxygen adsorption tower, between described conical distribution chamber and ring-shaped ventilation mouth, there is arc gas distribution channel; Between described stiffening plate and distributor, form the taper chamber connecting with channel of gas collection.
In above-mentioned radially oxygen adsorption tower, described absorbent module comprises the first cylinder, the second cylinder and the 3rd cylinder arranging with one heart from the inside to the outside, the first described cylinder, the second cylinder and the 3rd cylinder are made by the gas permeable material of rigidity, between the first described cylinder and the second cylinder, be formed for placing the absorption storehouse of adsorbent, between the second described cylinder and the 3rd cylinder, be formed for placing the dryness storehouse of drier.
In above-mentioned radially oxygen adsorption tower, described top, absorption storehouse is provided with at least one the adsorbent charging aperture being positioned at outside tower body, and described dryness storehouse top is provided with at least one the drier charging aperture being positioned at outside tower body.
In above-mentioned radially oxygen adsorption tower, the described pneumatic module that goes out comprises the central tube that is fixed on channel of gas collection upper end, and described central tube upper end passes outside tower body.
Compared with prior art, the utility model has the advantage of:
1,, by the design in annular gas transmission chamber, reached radial air inlet mode from outside to inside, and coordinated ring-shaped ventilation mouth to reach the effect that absorption is even, adsorption efficiency is high, can maximize and design.
2, pass through the design in the gas transmission chamber of annular cones tubular, make the pressure of gas in whole gas transmission chamber even, make the admission pressure of adsorption tower even, thereby guaranteed the even adsorbed gas of absorbent module, improved adsorption effect.
3, by the design of distributor, conical distribution chamber and pre-distributor, make the gas flow in intake process even, thereby guaranteed the steady flow of gas in gas transmission chamber, can there is not turbulent phenomenon, for the even absorption of adsorption tower provides reliable assurance.
4, the design of a plurality of stavings, can make adsorption tower fill multiple filler, improves adsorption efficiency.
5, design centre pipe in channel of gas collection, uses atmospheric pressure and is stablized, and has guaranteed the pressure balance in whole channel of gas collection, has avoided gas in being filled with the absorbent module of molecular sieve, to produce the phenomenon of crossfire and molecular sieve " boiling ".
Accompanying drawing explanation
Fig. 1 is the structural representation that the utility model provides;
Fig. 2 is the top view of Fig. 1;
Fig. 3 is the upward view of the distributor that provides of the utility model;
Fig. 4 is the aperture schematic diagram on the first staving of providing of the utility model, the second staving, the 3rd staving;
Fig. 5 is the A place enlarged drawing in Fig. 1;
Fig. 6 is the utility model gas flow schematic diagram in use.
In figure, absorbent module 1, air intake assembly 2, go out pneumatic module 3, gas transmission chamber 4, channel of gas collection 5, arc gas distribution channel 7, discharge duct 8, tower body 9, ring-shaped ventilation mouth 10, the first staving 11, the second staving 12, the 3rd staving 13, cover plate 14, the first dividing plate 15, second partition 16, drier charging aperture 17, adsorbent charging aperture 18, absorption storehouse 111, dryness storehouse 112, support plate 20, air inlet 21, stiffening plate 22, distributor 23, pre-distributor 24, through hole 25, taper chamber 26, balance pipe 27, valve 28, conical distribution chamber 29, conical projections 231, gas outlet 31, central tube 32, gas collection mouth 33, stiffening ring 91, reinforcement 92, manhole 101.
Arrow in Fig. 6 is gas flow.
The specific embodiment
As shown in Figure 1, a kind of radially oxygen adsorption tower, comprise tubular tower body 9, in tower body 9 bottoms, be provided with air intake assembly 2, top is provided with out pneumatic module 3, in described tower body 9, be provided with absorbent module 1, between described tower body 9 inwalls and absorbent module 1 outer wall, form ringwise gas transmission chamber 4, described air intake assembly 1 has the ring-shaped ventilation mouth 10 that is positioned at absorbent module 1 periphery, lower end, described ring-shaped ventilation mouth 10 connects with gas transmission chamber 4 and gas transmission chamber 4 can make air-flow radial delivery to absorbent module 1, the closed at both ends of described absorbent module 1 and having at absorbent module 1 center for collecting the channel of gas collection 5 of finished product oxygen, described channel of gas collection 5 lower end closed, upper end with go out pneumatic module 3 and be connected.
Described gas transmission chamber 4 is large upper end, lower end circlet shape circular cone tubular, and described gas transmission chamber 4 cross-sectional area from the bottom to top diminishes gradually.By De Labolong equation, obtain PV/T=constant, in the situation that the temperature T of gas is constant, volume V diminishes, it is large that pressure P becomes, again in conjunction with hydromechanical principle, in the situation that fluid is shunted, pressure can diminish gradually, because gas flows toward the top in gas transmission chamber 4 on the one hand, the direction of the channel of gas collection 5 of footpath yearning absorbent module 1 flows again on the other hand, in the process of this shunting, the pressure of gas reduces gradually, but because gas transmission chamber 4 cross-sectional area from the bottom to top diminishes gradually, thereby make the pressure in air collecting chamber 4 become gradually large, therefore pressure tends to balance, thereby the cooperation at ring-shaped ventilation mouth 10 has been issued to radial air inlet isostasy, absorption evenly, the effect that adsorption efficiency is high, in the present embodiment, the ratio of the cross-sectional area of the bottom of air collecting chamber 4 and the cross-sectional area at top is between 10:1-2:1.
Described air intake assembly 2 comprises that shutoff is at the distributor 23 of absorbent module 1 bottom, between described distributor 23 and tower body 9 bottoms, form and be large conical distribution chamber 29, little upper end, lower end, in tower body 9 bottoms, be provided with the air inlet 21 connecting with conical distribution chamber 29, top and conical distribution chamber 29 that described ring-shaped ventilation mouth 10 is formed on conical distribution chamber 29 are communicated with gas transmission chamber 4 by ring-shaped ventilation mouth 10.
By the design in annular gas transmission chamber 4, reached radial air inlet mode from outside to inside, and coordinated ring-shaped ventilation mouth 10 to reach absorption evenly, the effect that adsorption efficiency is high.The design in the gas transmission chamber 4 by annular cones tubular, makes the pressure of gas in whole gas transmission chamber 4 even, makes the admission pressure of adsorption tower even, thereby has guaranteed the even adsorbed gas of absorbent module 1, has improved adsorption effect.
The design in the gas transmission chamber 4 of annular cones tubular, makes the pressure of gas in whole gas transmission chamber even, makes the admission pressure of adsorption tower even, thereby has guaranteed the even adsorbed gas of absorbent module, has improved adsorption effect.
Between described distributor 23 and tower body 9 bottoms, be provided with some equally distributed support plates 20 in a circumferential direction, described distributor 23 tops are provided with the stiffening plate 22 for shutoff absorbent module 1 lower end, described support plate 20 upper ends are passed distributor 23 and are connected with stiffening plate 22, thereby improve the intensity of whole absorbent module 1, guarantee the reliability of absorbent module 1 when maximizing design.
Between described conical distribution chamber 29 and ring-shaped ventilation mouth 10, there is arc gas distribution channel 7; Between described stiffening plate 22 and distributor 23, form the taper chamber 26 connecting with channel of gas collection 5.
As shown in Figure 1, Figure 3, on distributor 23, be also provided with and somely can make the gas in air inlet 21 enter the aperture in taper chamber 26.In tower body 9, be also provided with balance pipe 27, described balance pipe 27 one end are communicated with taper chamber 26, and the other end stretches out outside tower body 9 and connects valve 28.This design is mainly for the gas pressure between balance air inlet 21 and gas outlet 31, when admission pressure is excessive, opens valve 28, reduces admission pressure, thereby prevents molecular sieve " boiling ", improves the adsorption efficiency of absorbent module 1.
Described distributor 23 is large coniform in little upper end, lower end and has top towards the conical projections 231 of air inlet 21 at distributor 23 centers, described conical projections 231 center lines overlap with air inlet 21 axial line extended lines, at air inlet 21, are provided with pre-distributor 24.The upper and lower surface of described pre-distributor 24 is the recessed of circular arc, on recessed surface, be also evenly equipped with through hole 25, the preliminary current-sharing of gas quilt after through hole 25, through distributor 23, reach secondary current-sharing effect again, thereby improve the uniformity that is entered into the gas in gas transmission chamber 4 by ring-shaped ventilation mouth 10.
Described absorbent module 1 comprises the first cylinder 11, the second cylinder 12 and the 3rd cylinder 13 arranging with one heart from the inside to the outside, described the first cylinder 11, the second cylinder 12 and the 3rd cylinder 13 are made by the gas permeable material of rigidity, the absorption storehouse 111 that is formed for placing adsorbent between the first described cylinder 11 and the second cylinder 12, is formed for placing the dryness storehouse 112 of drier between the second described cylinder 12 and the 3rd cylinder 13.As a kind of preferred scheme, as shown in Figure 4, in the present embodiment, on the first cylinder 11, the second cylinder 12 and the 3rd cylinder 13, offer regular aperture, wherein the aperture φ of aperture is between 0.1-10mm, and the distance of center circle d of aperture is between 0.12-12mm.
At the outer surface of the first cylinder 11 and the inner surface of the 3rd cylinder 13, be enclosed with respectively two-layer silk screen, be wherein close to the hole area of one deck silk screen of the outer surface of the first cylinder 11 and the inner surface of the 3rd cylinder 13 at 0.2-0.8mm
2between, the hole area of another layer of silk screen is at 0.1-0.4mm
2between.
Described 111 tops, absorption storehouse are provided with at least one the adsorbent charging aperture 18 being positioned at outside tower body 9, and described dryness storehouse 112 tops are provided with at least one the drier charging aperture 17 being positioned at outside tower body 9.
As shown in Figure 1 and Figure 2, described absorbent module 1 also comprises the cover plate 14 that is arranged on tower body 9 tops and is tightly connected with tower body 9, the lower surface of described cover plate 14 connects the first dividing plate 15 and second partition 16, the first dividing plate 15 connects the 3rd cylinder 13, second partition 16 second cylinders 12, as a kind of preferred scheme, in the present embodiment, described adsorbent charging aperture 18 and drier charging aperture 17 are all arranged on cover plate 14.
The described pneumatic module 3 that goes out comprises the central tube 32 that is fixed on channel of gas collection 5 upper ends, and described central tube 32 upper ends pass outside tower body 9.
On the tube wall of central tube 32 and near place, bottom, be equipped with gas collection mouth 33, the oxygen in channel of gas collection 5 is by the rear gas outlet 31 that flows to central tube 32 of gas collection mouth 33.
In channel of gas collection 5, design centre pipe 32, uses atmospheric pressure and is stablized, and has guaranteed the pressure balance in whole channel of gas collection 5, has avoided gas in being filled with the absorbent module 1 of molecular sieve, to produce the phenomenon of crossfire.
As shown in Figure 1, shown in Figure 5, in the outside of tower body 9 and along tower body 9, be axially provided with several stiffening rings 91, described stiffening ring 91 is circular, in the outside of stiffening ring 91 and along stiffening ring 91, be circumferentially evenly provided with some reinforcements 92, wherein stiffening ring 91 can be fixed on tower body 9 by the mode being spirally connected or weld, reinforcement 92 is fixed on stiffening ring 91 by the mode being spirally connected or weld, the setting of stiffening ring 91 and reinforcement 92, in order to increase the intensity of tower body 9, thereby improve the axial height of tower body 9, adsorption tower can be designed toward maximization direction.
On tower body 9, be also provided with discharge duct 25, discharge duct 25 one end are through the rear connection dryness storehouse 112 of stiffening plate 22, and discharge duct 25 other ends stretch out outside tower body 9, at tower body 9 tops, are also provided with a manhole 26, and described manhole 26 is communicated with absorption storehouse 111.
Discharge duct 25 is for discharging the drier in dryness storehouse 112 outside absorbent module 1, manhole is for discharging the adsorbent in absorption storehouse 111 outside absorbent module 1, in working order, manhole seals, and one end that discharge duct 25 stretches out outside tower body 9 can be closed by flange seal or mounted valve.
As shown in Figure 6, need the gas of adsorbing separation to be entered by air inlet 21, after approach conical distribution chamber 29, arc gas distribution channel 7, ring-shaped ventilation mouth 10, enter into gas transmission chamber 4, there is again gas transmission chamber 4 radially by obtaining the oxygen of purifying after absorbent module 1, to enter into channel of gas collection 5, after gas collection mouth 33, enter into central tube 32, finally by gas outlet 31, flow out and collect.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used herein, absorbent module, air intake assembly, go out the terms such as pneumatic module, gas transmission chamber, channel of gas collection, arc gas distribution channel, tower body, ring-shaped ventilation mouth, the first staving, the second staving, the 3rd staving, distributor, taper chamber, conical distribution chamber, conical projections, gas outlet, but do not get rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (10)
1. an oxygen adsorption tower radially, comprise tubular tower body (9), in tower body (9) bottom, be provided with air intake assembly (2), top is provided with out pneumatic module (3), in described tower body (9), be provided with absorbent module (1), it is characterized in that, between described tower body (9) inwall and absorbent module (1) outer wall, form ringwise gas transmission chamber (4), described air intake assembly (1) has the ring-shaped ventilation mouth (10) that is positioned at absorbent module (1) periphery, lower end, described ring-shaped ventilation mouth (10) connects with gas transmission chamber (4) and gas transmission chamber (4) can make air-flow radial delivery to absorbent module (1), the closed at both ends of described absorbent module (1) and there is the channel of gas collection (5) for collecting finished product oxygen at absorbent module (1) center, described channel of gas collection (5) lower end closed, upper end with go out pneumatic module (3) and be connected.
2. radially oxygen adsorption tower according to claim 1, is characterized in that, described gas transmission chamber (4) cross-sectional area from the bottom to top diminishes gradually.
3. radially oxygen adsorption tower according to claim 2, is characterized in that, described gas transmission chamber (4) is large upper end, lower end circlet shape circular cone tubular.
4. according to the radially oxygen adsorption tower described in claim 1 or 2 or 3, it is characterized in that, described air intake assembly (2) comprises that shutoff is at the distributor (23) of absorbent module (1) bottom, between described distributor (23) and tower body (9) bottom, form and be large conical distribution chamber (29), little upper end, lower end, in tower body (9) bottom, be provided with the air inlet (21) connecting with conical distribution chamber (29), top and conical distribution chamber (29) that described ring-shaped ventilation mouth (10) is formed on conical distribution chamber (29) are communicated with gas transmission chamber (4) by ring-shaped ventilation mouth (10).
5. radially oxygen adsorption tower according to claim 4, it is characterized in that, described distributor (23) is large coniform in little upper end, lower end and has top towards the conical projections (231) of air inlet (21) at distributor (23) center, described conical projections (231) center line overlaps with air inlet (21) axial line extended line, at air inlet (21), is provided with pre-distributor (24).
6. radially oxygen adsorption tower according to claim 4, it is characterized in that, between described distributor (23) and tower body (9) bottom, be provided with some equally distributed support plates in a circumferential direction (20), described distributor (23) top is provided with the stiffening plate (22) for shutoff absorbent module (1) lower end, and described support plate (20) upper end is passed distributor (23) and is connected with stiffening plate (22).
7. radially oxygen adsorption tower according to claim 6, is characterized in that, between described conical distribution chamber (29) and ring-shaped ventilation mouth (10), has arc gas distribution channel (7); Between described stiffening plate (22) and distributor (23), form the taper chamber (26) connecting with channel of gas collection (5).
8. according to the radially oxygen adsorption tower described in claim 1 or 2 or 3, it is characterized in that, described absorbent module (1) comprises the first cylinder (11) arranging with one heart from the inside to the outside, the second cylinder (12) and the 3rd cylinder (13), described the first cylinder (11), the second cylinder (12) and the 3rd cylinder (13) are made by the gas permeable material of rigidity, between described the first cylinder (11) and the second cylinder (12), be formed for placing the absorption storehouse (111) of adsorbent, between described the second cylinder (12) and the 3rd cylinder (13), be formed for placing the dryness storehouse (112) of drier.
9. radially oxygen adsorption tower according to claim 8, it is characterized in that, described top, absorption storehouse (111) is provided with and is positioned at least one outer adsorbent charging aperture (18) of tower body (9), and described dryness storehouse (112) top is provided with and is positioned at least one outer drier charging aperture (17) of tower body (9).
10. according to the radially oxygen adsorption tower described in claim 1 or 2 or 3, it is characterized in that, the described pneumatic module (3) that goes out comprises the central tube (32) that is fixed on channel of gas collection (5) upper end, and described central tube (32) upper end passes outside tower body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463919.5U CN203447944U (en) | 2013-07-30 | 2013-07-30 | Radial oxygen production adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320463919.5U CN203447944U (en) | 2013-07-30 | 2013-07-30 | Radial oxygen production adsorption tower |
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| CN203447944U true CN203447944U (en) | 2014-02-26 |
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| CN201320463919.5U Expired - Fee Related CN203447944U (en) | 2013-07-30 | 2013-07-30 | Radial oxygen production adsorption tower |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357243A (en) * | 2013-07-30 | 2013-10-23 | 杭州普菲科空分设备有限公司 | Radial oxygen production adsorption tower |
| CN105399055A (en) * | 2015-11-09 | 2016-03-16 | 青岛海尔空调器有限总公司 | Oxygen production module and air treatment device |
| CN113332829A (en) * | 2021-07-05 | 2021-09-03 | 江苏宝联气体有限公司 | Be applied to vacuum pressure swing adsorption system's trachea distributor |
| CN113908661A (en) * | 2021-09-09 | 2022-01-11 | 浙江大学杭州国际科创中心 | Vertical radial flow adsorber |
| CN115738580A (en) * | 2021-09-03 | 2023-03-07 | 四川大学 | Combined gas distributor |
-
2013
- 2013-07-30 CN CN201320463919.5U patent/CN203447944U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103357243A (en) * | 2013-07-30 | 2013-10-23 | 杭州普菲科空分设备有限公司 | Radial oxygen production adsorption tower |
| CN105399055A (en) * | 2015-11-09 | 2016-03-16 | 青岛海尔空调器有限总公司 | Oxygen production module and air treatment device |
| CN105399055B (en) * | 2015-11-09 | 2018-10-12 | 青岛海尔空调器有限总公司 | A kind of oxygen module processed and air processor |
| CN113332829A (en) * | 2021-07-05 | 2021-09-03 | 江苏宝联气体有限公司 | Be applied to vacuum pressure swing adsorption system's trachea distributor |
| CN115738580A (en) * | 2021-09-03 | 2023-03-07 | 四川大学 | Combined gas distributor |
| CN113908661A (en) * | 2021-09-09 | 2022-01-11 | 浙江大学杭州国际科创中心 | Vertical radial flow adsorber |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140226 Termination date: 20190730 |