CN1091054A - The preparation method and the device of oxygen and thick nitrogen - Google Patents
The preparation method and the device of oxygen and thick nitrogen Download PDFInfo
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- CN1091054A CN1091054A CN 93119484 CN93119484A CN1091054A CN 1091054 A CN1091054 A CN 1091054A CN 93119484 CN93119484 CN 93119484 CN 93119484 A CN93119484 A CN 93119484A CN 1091054 A CN1091054 A CN 1091054A
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Abstract
The invention provides a kind of directly is oxygen with air separation and the method and the device of thick nitrogen (constituent of air that deoxygenation is outer) at normal temperatures, and it utilizes susceptibility different of oxygen and thick nitrogen, separates acquisition oxygen product and thick nitrogen product in gradient magnetic.Advantage of the present invention is a separation of air under the normal temperature, and power consumption is few, and cost is low, safety, and equipment is simple, and volume is little, and is in light weight, and only enterprise is not easy to be provided with, and family also can have.
Description
The present invention relates to the preparation method and the device of oxygen and thick nitrogen, particularly in the low temperature range of normal temperature to the liquefaction of air directly separation of air produce the oxygen and the method and apparatus of nitrogen slightly.
Air all has everywhere as producing the raw material of oxygen with thick nitrogen, but most of users can not be at need with oxygen, nitrogen part separation of air and produce oxygen, nitrogen product on the spot.Reason is the empty branch technology of present widely used deep cooling, is earlier with the air cryogenic liquefying, utilize the boiling point difference of its component again, is separated into oxygen, nitrogen through fractionation.This method with the device can isolate highly purified oxygen, nitrogen product, but because of needs with the air deep cooling to 77K low temperature, so technical process use equipment is many, tonnage is big, device costs an arm and a leg, the operation process complexity, and operation easier is big, except the self-built deep cooling air separation facility of bigger enterprise, small business and fragmentary user just have to use the high-pressure cylinder transportation, store, and conveying efficiency is low, the expense height, and explosion hazard is arranged.Remote districts, particularly inconvenience.
The purpose of this invention is to provide a kind of sky branch technology novel method according to new principle, the method that is provided can be in the temperature range of normal temperature to the liquefaction of air, directly, separation of air continuously, produce oxygen and thick nitrogen (constituent of air outside the deoxygenation, below herewith) product.
Another object of the present invention is that provide according to the method that provided can be in the temperature range of normal temperature to the liquefaction of air, directly, separation of air is produced the device of oxygen and thick nitrogen continuously, provide movably, portable, technical process simple, device operational administrative, that can produce oxygen and thick nitrogen whenever and wherever possible easily.
According to purpose of the present invention, a kind of method of producing oxygen and thick nitrogen product is provided, it is characterized in that: with the continuous input space gradient magnetic of air, speed with the subcritical value, following the path flows that is set in the spatial gradient magnetic field, make airborne oxygen with thick nitrogen (constituent of air outside the deoxygenation) layering, shunting and flow in the high field intensity zone in spatial gradient magnetic field, with pressure difference or temperature head oxygen is exported through the oxygen output tube from the high field intensity zone then, get oxygen product, thick nitrogen is ostracised outside gradient magnetic, through pipeline output, get thick nitrogen product.
According to the air flow quantity distribution oxygen in input gradient magnetic field and the output flow of thick nitrogen, to obtain the product of different purity.
According to purpose of the present invention, provide a kind of device of producing oxygen and thick nitrogen according to the method that is provided, it is characterized in that: a spatial gradient magnetic field that is communicated with air source, this gradient magnetic is produced by permanent magnet or conventional electromagnet or superconducting electromagnet, be arranged in the spatial gradient magnetic field magnetic split tunnel with regulation air and separated constituent of air glide path in gradient magnetic, the air input unit that is communicated with air source and magnetic split tunnel, one end is arranged in the spatial gradient magnetic field in the high field intensity zone, the thick nitrogen take-off equipment that the oxygen take-off equipment of the other end outside the magnetic split tunnel, an end are communicated with the magnetic split tunnel.
The oxygen take-off equipment is in the end in the gradient magnetic high field intensity zone, and heating unit is set.
On air input unit and oxygen take-off equipment and thick nitrogen take-off equipment, install setting device respectively, and be equiped with link gear between the setting device of the setting device of oxygen take-off equipment and thick nitrogen take-off equipment, when making the aperture increase of one of them setting device, another aperture reduces.
The associated plant that the described device of producing oxygen and thick nitrogen is carried out series, parallel and series-parallel connection.
In each component of air, oxygen is paramagnetic substance, and thick nitrogen (constituent of air outside the deoxygenation) then is diamagnetic substance.The susceptibility of this two classes material not only has opposite symbol, and great numerical difference between is arranged.Therefore, air is driven in gradient magnetic, oxygen will be subjected to gradient magnetic direction opposite effect power with thick nitrogen, obtain the opposite acceleration of direction.Airborne oxygen is subjected to a reactive force that points to the magneticstrength augment direction in gradient magnetic, attracted to the highest zone of magneticstrength in the gradient magnetic, airborne thick nitrogen then is subjected to gradient magnetic and points to the reactive force that magneticstrength reduces direction, is ostracised outside magnetic field.Both in gradient magnetic by layering so that shunting collected respectively, oxygen product and thick nitrogen product.
Because oxygen promptly has very high paramagnetic rate in normal temperature, and paramagnetic rate and temperature are inversely proportional to, nitrogen and other constituent of air then have reversal magnetization rate (temperature independent) so utilize the method and apparatus of magnetic field force separation of air, can in the temperature range of normal temperature to the liquefaction of air air be separated into oxygen and thick nitrogen product by paramagnetic properties and diamagnetism matter.And separation efficiency increases along with the reduction of air themperature.
During with the magnetic field force separation of air, magneticstrength and gradient are higher, and then the efficient of air separation is higher.Under normal temperature and condition of normal pressure, it is that 0.3T and gradient are the magnetic field force of 3T/m that separated airborne oxygen should be subjected to magneticstrength at least, or the action of a magnetic field power suitable with the product of the two, then can be separated effectively.Resistances such as too small magneticstrength and gradient are difficult to make oxygen molecule to overcome the thermal motion of air, viscosity and effectively being separated, perhaps velocity of separation is slow, and efficient is very low.
When the structure of device, after parameters such as magneticstrength and field gradient and air themperature were determined, the flow velocity of separated air in device just had a threshold value again, and the airborne oxygen that surpasses critical velocity will be exported with thick nitrogen, and not separated.Said critical velocity value can draw from concrete experiment, also can calculate according to known mechanics method.
Technical characterictic about the device of producing oxygen and thick nitrogen that provided is illustrated in conjunction with various embodiments of the present invention.
Because the present invention adopts the new principle of magnetic air separating, new air separating method and device is provided, thereby has had following advantage and effect.
The present invention is separation of air at normal temperatures, does not need the air cryogenic liquefying, so the operation power consumption is little, product cost is low.
The present invention is simple in structure, and it is little to make volume, in light weight, and device easy to carry also can be made into the combination of bigger multiple arrangement and air separation plant with technical scale output.Only enterprise is not easy to purchase, and family also can have.
The present invention can be on the spot direct separation of air continuously, with making with usefulness, do not need the high-pressure cylinder transportation and store, cost saving, nothing danger, and acetylene safely and hydro carbons are diamagnetic substances, separate with paramagnetic oxygen in apparatus of the present invention, go with nitrogen, therefore the danger that does not exist hydro carbons such as oxygen and acetylene to blast.
The present invention can make from life cooking stove up to the nitrogen liquid of Industrial Stoves, solid-fuelled combustion processes, generally is able to pure oxygen or oxygen-enriched combustion-supporting, thereby improves thermo-efficiency, save energy.Can make medical health career obtain convenient and inexpensive oxygen source.Vast outlying agricultural district can obtain convenient inexpensive thick nitrogen, is used for deinsectization and storing and fresh-keepings such as agricultural-food, Chinese medicine.
Below with reference to accompanying drawing, a part of embodiment of the present invention is described.
Fig. 1 uses the gradient magnetic separation of air, exports the principle schematic of the device of oxygen product from magnetic field with the temperature head method;
Fig. 2 uses the gradient magnetic separation of air, exports the principle schematic of the device of oxygen and thick nitrogen product with pressure difference or temperature head;
Fig. 3 is the magnetic body support device of device shown in Figure 2;
Fig. 4 is the principle schematic of single channel circulation channel magnetic air separating device;
Fig. 5 is the structure iron of device shown in Figure 4;
Fig. 6 is the principle schematic with magnetic air separating device of two-way split channel;
Fig. 7 is the structure iron of device shown in Figure 6;
Fig. 8 is to use the principle schematic of the magnetic air separating device of superconducting magnet;
Fig. 9 is the setting device synoptic diagram of magnetic air separating device;
Figure 10 is the associated plant synoptic diagram in parallel of magnetic air separating device;
Figure 11 is the series combination device synoptic diagram of magnetic chart air separation facility;
Figure 12 is the permanent magnet with yoke of magnetic air separating device;
Figure 13 is the conventional electromagnet of magnetic air separating device.
Two cone shape permanent magnets (1) are relative with (2) coaxial heteropole among Fig. 1, in spacing is arranged.The circular gradient magnetic that is produced, the circle centre position magneticstrength is the highest, and to circumference, field intensity increases with radius and reduces, and is antigradient and distributes by the center of circle.The inlet end of oxygen output tube (4) is arranged on magnetic field center, and its output terminal is outside magnetic field.An electric heating element (11) is arranged on the end that oxygen output tube (4) is interior, lean on magnetic field center.
Make air (K) below the speed that limits, enter gradient magnetic shown in Figure 1, then airborne oxygen (O
2) be subjected to gradient magnetic and point to the magneticstrength augment direction, promptly point to the reactive force of magnetic field center, obtain acceleration, and attracted to the highest circle centre position of magneticstrength.Be in the oxygen (O of magnetic field center
2) suffered magnetic field force, be that circular gradient magnetic points to making a concerted effort of the center of circle by circumference.Oxygen (the O that is attracted by gradient magnetic
2) riddle between two magnetic poles (1) and (2) and oxygen output tube (4) in, with an electric heating element (11) with the oxygen (O in the oxygen output tube (4)
2) heating, the then oxygen (O in the oxygen output tube (4)
2) the temperature rising, susceptibility reduces, suffered gradient magnetic sensing magnetic field center, the reactive force of field intensity augment direction reduces, and the result is lower by the outer temperature of the inlet end of oxygen output tube (4), the oxygen (O that susceptibility is higher
2) institute squeezes, and from the output terminal of oxygen output tube (4) output magnetic field.Enter the cryogenic oxygen (O of pipe (4)
2) be heated again, and squeeze magnetic field.Process is carried out continuously, is collected, and gets oxygen (O
2) product.Enter the thick nitrogen (N of gradient magnetic
2, c) be subjected to pointing to the reactive force that magneticstrength reduces direction, promptly point to the reactive force of circumference by magnetic field center, and with oxygen (O
2) separate diffluence outside magnetic field.Among Fig. 1 by the isolating thick nitrogen (N of magnetic field force
2, c) do not give recovery.
The use temperature difference method is exported oxygen (O from gradient magnetic
2) time, the suffered sensing magneticstrength of the oxygen K1 in the oxygen output tube (4) reduces the reactive force of direction, promptly points to the power of output terminal, with the inside and outside oxygen (O of oxygen output tube (4)
2) difference of the susceptibility that causes because of temperature head increases, increase with the intensity and the gradient of the gradient magnetic of device.The temperature head method of output oxygen, temperature head needs greater than 50 ℃, and the upper limit then is subjected to the restriction of Curie temperature and structured material.
Be used for heating (O
2) thermal source and corresponding device thereof, without limits.
Two cone shape permanent magnets (1) are relative with (2) coaxial heteropole among Fig. 2, in spacing is arranged, the circular gradient magnetic that is produced, the explanation of characteristic such as Fig. 1.Gradient magnetic is in the elliptical container (6).Respectively install a water conservancy diversion sphere (7) and (8) on the bottom surface of cone shape permanent magnet (1) and (2).Constitute gas passage between the shell wall of they and container (6).Returning apparatus has air input tube (3) to be communicated with air source (not drawing among the figure) on the shell wall, and thick nitrogen output tube (5) is housed.The inlet end of oxygen output tube (4) is arranged on the gradient magnetic center, and field intensity highest point, its output terminal then place container (outside (6).
Make air (K) below the speed that limits, enter container (6), meet water conservancy diversion sphere (7) and formation sphere stream, following the centrifugal channel flow between water conservancy diversion sphere (7) and the container (6) by air input tube (3).When air (K) enters gradient magnetic between magnetic pole (1) and (2), oxygen (O wherein
2) because of being that paramagnetic substance is subjected to the reactive force that gradient magnetic points to the magneticstrength augment direction, attracted to magnetic field center, the field intensity highest point, and riddle in magnetic field and the oxygen output tube (4).Make in the container (6), the gaseous tension of the inlet end of oxygen output tube (4) is perhaps offset the interior oxygen (O of oxygen output tube (4) with gaseous tension greater than the pressure of its output terminal
2) magnetism of suffered gradient magnetic, the then oxygen (O in the oxygen output tube (4)
2), promptly by the oxygen (O in pipe (4) magnetic field in addition
2) squeeze, and flow out by output terminal.Process is carried out continuously, is collected, and gets oxygen (O
2) product.
Perhaps use the temperature head method, through oxygen output tube (4) output oxygen (O
2) product, heating unit among Fig. 2 (11) is not drawn existing.The principle of temperature head method, as described above.
Enter the thick nitrogen (N of gradient magnetic
2,, and be subjected to pointing to the reactive force that magneticstrength reduces direction c) because of being diamagentic effect.Scolded shell wall to container (6), adherent flowing, after the passage between the shell wall of container (6) and the water conservancy diversion sphere (8), outside thick nitrogen output tube (5) flow container (6).Collected, got thick nitrogen (N
2, c) product.
After the structure and magnetic parameter and medium temperature value of schematic diagram 2 shown devices, flow through the oxygen (O of gradient magnetic in the container (6)
2) speed, a threshold value is just arranged, the oxygen (O of supercritical velocity (Vc)
2) will leap the gradient magnetic between two magnetic poles (1) and (2), with thick nitrogen (N
2, c) export.As oxygen (O among Fig. 2
2) track shown in.V
1＜V
2＜V
3。
Two recessed cone shape supporting bases (9) are coaxial relatively among Fig. 3, with device permanent magnet (1) and (2).The abutment wall (10) of two supporting bases (9) and 3 above radial arrangement is fixedly connected, keeping the distance between the supporting base (9), and constitutes with container (6).
Gradient magnetic shown in Figure 4 (Bg) is produced by two cone shape permanent magnets (1) and (2), its characteristic such as Fig. 1,2 explanation.The magnetic line of force direction of gradient magnetic among Fig. 4 (Bg) is vertically to enter paper, but opposite magnetic line of force direction also is equivalent.
Make air (K) below critical velocity (Vc), through air input tube (3) access to plant, the magnetic split tunnel (23) that is following in the gradient magnetic flows the oxygen (O in the air (K)
2) in gradient magnetic, be subjected to pointing to the reactive force of magneticstrength augment direction, i.e. centripetal force, thick nitrogen (N
2, C) then be subjected to pointing to the reactive force that magneticstrength reduces direction, i.e. centrifugal force.Oxygen (O
2) and thick nitrogen (N
2, C) layering gradually in magnetic split tunnel (23), oxygen (O
2) press close to training wall (12) and flow, and thick nitrogen (N
2, c) shell wall of label apparatus (14) flows.The outer guide face of training wall (12) is a track trend magnetic field center parabolically.Oxygen (O
2) in passage (23), flow to the end of training wall (12), just sucked magnetic trap between the terminal and dividing walls (13) of training wall (12) and the magnetic field center that arrives by magnetic field force, the method for applying pressure difference or temperature head makes oxygen (O
2) through oxygen output tube (4) output, collected, get oxygen (O
2) product.Pressure difference and temperature head method output oxygen (O
2) principle, seen Fig. 1 and Fig. 2 explanation.Heating unit (11) in the oxygen output tube (4) does not draw among Fig. 4.Thick nitrogen (N
2, c) flow to splitter plate (13) and locate, just with oxygen (O along magnetic split tunnel (23) periphery
2) shunting, via thick nitrogen output tube (5) output, collected, get thick nitrogen (N
2, c) product.
Two permanent magnets (1) among Fig. 5 are relative with (2) coaxial heteropole, place two supporting bases (9), between two supporting bases (9), supported by training wall (13), to keep at a distance.Between the shell wall (14) of device and the training wall (12) is magnetic split tunnel (23).Air input tube (3) all passes shell wall (14) with thick nitrogen output tube (5) and is communicated with magnetic split tunnel (23).Oxygen output tube (4) is then drawn outside device through the center drilling of one or two permanent magnet.Perhaps oxygen output tube (4) is complied with and radially drawn between air input tube (3) and the thick nitrogen output tube (5), and is arranged side by side with it.
The explanation of the characteristic of circular gradient magnetic (Bg) such as Fig. 1 Fig. 2 and Fig. 4 among Fig. 6.
Air (K) behind air input tube (3) access to plant, divides two-way to flow in magnetic split tunnel (24) below critical velocity (Vc).Oxygen (O
2) and thick nitrogen (N
2, c) be subjected to gradient magnetic direction opposite effect power, layering gradually in magnetic split tunnel (24) because of magnetic property is different.Be subjected to the oxygen (O of gradient magnetic centripetence power
2) paste two-way training walls (15) and flow, divided two-way to suck magnetic field center by gradient magnetic before at two-way splitter plate (16).Use the method for aforementioned pressure difference or temperature head, through oxygen output tube (4) with oxygen (O
2) output, collect oxygen (O
2) product.Heating unit among this figure (11) does not draw.Be subjected to the thick nitrogen (N of gradient magnetic centrifugal direction reactive force
2, c), pasting shell wall (14) flow to two-way splitter plate (16) locate with oxygen (O
2) shunting.After two-way converges, flow out, collected, get thick nitrogen (N from thick nitrogen output tube (5)
2, c) product.
Two permanent magnets (1) are relative with (2) coaxial heteropole among Fig. 7, produce described gradient magnetic (Bg).Two permanent magnets (1) place two recessed cone shape magnet holder (9) with (2), and two-way training wall (15) supports two magnet holder (9) to keep spacing with two-way splitter plate (16).Between the shell wall (14) of device and two-way training wall (15) and two-way splitter plate (16) and the magnet holder (9) is magnetic split tunnel (24).Air input tube (3) and thick nitrogen output tube (5) pass shell wall (14) and are communicated with magnetic split tunnel (24).The inlet end of oxygen output tube (4) is arranged on the inboard of two-way training wall (15), and its output terminal then passes the inner chamber of two-way training wall (15) and air input tube (3) to device.When the use temperature difference method.The input terminus of oxygen output tube (4) then extends to magnetic field center.
Magnetic split tunnel (23) and (24) can be made the independently magnetic split tunnel corresponding to the bulk of gradient magnetic, and do not used the part that shell wall is a passage among Fig. 5 and Fig. 7.
Install the tubaeform superconducting electromagnet of both-end (19) among Fig. 8 on the wall of the center-aisle of magnetic air separating device (18), it comprises superconducting coil and thermostat.Behind the superconducting coil feed, superconducting magnet (19) produces the gradient magnetic of high-strength high-gradient in center-aisle (18), the superconducting coil center, and promptly the center magneticstrength of center-aisle (18) is the highest, reduce gradually by center to two ends magneticstrength, be antigradient and distribute.
Make air (K) below critical velocity (Vc), enter circular channel (17), divide two-way to follow centrifugal axle track and flow through air input tube (3), to center-aisle (18) two ends, the oxygen (O in the air (K)
2) be subjected to the reactive force of sensing magneticstrength augment direction of the gradient magnetic of superconducting magnet (19), promptly point to the reactive force of magnetic field center, and attracted to the center of center-aisle (18), the field intensity highest point.The method of applying pressure difference or temperature head makes oxygen (O
2) export through oxygen output tube (4).Collected, got oxygen (O
2) product.The heating unit (11) of oxygen output tube (4) does not draw among Fig. 8.Thick nitrogen (N
2, c) reactive force that is reduced direction by the sensing magneticstrength of superconduction gradient magnetic in passage (17) repels, the excircle that pastes passages (17) flows, and then is output in outside the device via thick nitrogen output tube (5), collected, thick nitrogen (N
2, c) product.
(CKF) is the block diagram (CKF) of Fig. 2, Fig. 4, Fig. 6 and magnetic air separating device shown in Figure 8 among Fig. 9.Institute's dress variable valve (20) is in order to regulating, stablize the air pressure of access to plant on the air input tube (3) of device (CKF), qualification speed, and the variable valve (21) on the oxygen output tube (4) is in order to adjusting oxygen (O
2) flow of product, to control its purity.Oxygen (O
2) output is less than the oxygen (O of access to plant
2) when measuring, product trends towards high purity.Otherwise product is low purity oxygen or oxygen-rich air.Variable valve (22) on the thick nitrogen output tube (5) is used for regulating thick nitrogen (N
2, c) output is lower than thick nitrogen (N, c) quantum of output of access to plant.Thick nitrogen (N
2, c) output is lower than the thick nitrogen (N of access to plant
2, when c) measuring, obtain the thick nitrogen (N of little oxygen
2, c) product.Between variable valve (21) and variable valve (22), installing link gear (30), when making the aperture increase of one of them variable valve, the aperture of another variable valve reduces, to distribute the output flow between the two.
Figure 10 is an associated plant in parallel of producing oxygen and the magnetic air separating device (CKF) of thick nitrogen.It is communicated with by plural magnetic air separating device (CKF) is in parallel, combines.Their air input tube (3), oxygen (O
2) output tube (4) and thick nitrogen output tube (5) be respectively from being connected.The magnetic air separating device of combination in parallel is used to obtain corresponding large-tonnage oxygen (O
2) or/and thick nitrogen (N
2, c) product.
Figure 11 is the series combination device of magnetic air separating device (CKF).Through device (CKF-1) isolated oxygen, input unit (CKF-2) separates once more, to improve oxygen (O
2) purity of product.Repeated isolation repeatedly.Can obtain highly purified oxygen (O
2) product.Thick nitrogen (the N of same repeated isolation
2, c), can obtain little oxygen (O
2) thick nitrogen (N
2, c).The multiple-series of multiple arrangement (CKF), or series connection-parallel arrangement can obtain high purity product and big output.
Figure 12 is the permanent magnet with yoke (25) (1) and (2) of magnetic air separating device (CKF).
Figure 13 is the conventional electromagnet of magnetic air separating device, and it has iron core (26), magnetic coil (27) and magnetic pole (28) and (29).
The part embodiment of the magnetic force air separation plant that below provides.Be not used to produce the pole form of the magnet of gradient magnetic in the limiting device.
Claims (9)
1, a kind of can be in the temperature range of normal temperature to the liquefaction of air directly separation of air produce the method for oxygen and thick nitrogen, it is characterized in that: with the continuous input gradient of air magnetic field, speed with the subcritical value, following the path flows that is set in the gradient magnetic, make airborne oxygen and thick nitrogen (constituent of air outside the deoxygenation) layering so that shunting, and flow in the high magnetic strength zone of gradient magnetic, with pressure difference or temperature head oxygen is exported through the oxygen output tube from the high field intensity zone then, get oxygen product, thick nitrogen is ostracised outside gradient magnetic, through pipeline output, get thick nitrogen product.
2, method according to claim 1 is characterized in that: distribute the output flow of oxygen product and the output flow of thick nitrogen product according to the air flow quantity in input gradient magnetic field, to obtain the product of different purity.
3, the device of producing oxygen and thick nitrogen that a kind of method according to claim 1 provides, comprise air source, it is characterized in that: a spatial gradient magnetic field that is communicated with air source, this gradient magnetic is produced by permanent magnet or conventional electromagnet or superconducting electromagnet, be arranged in the spatial gradient magnetic field magnetic split tunnel with regulation air and the separated glide path of constituent of air in gradient magnetic, the air input unit that is communicated with air source and magnetic split tunnel, one end is arranged at the oxygen product take-off equipment in the high field intensity zone, spatial gradient magnetic field, the thick nitrogen product take-off equipment that an end is communicated with the magnetic split tunnel.
4, device according to claim 3 is characterized in that: the oxygen take-off equipment is in the end in the high-strength zone of gradient magnetic and is provided with heating unit.
5, device according to claim 3 is characterized in that: by two and the plural device of producing oxygen and thick nitrogen the parallel arrangement of combination in parallel.
6, device according to claim 3 is characterized in that: by two and the plural tandem arrangement of producing the device institute series combination of oxygen and thick nitrogen.
7, according to claim 3,5 or 6 described devices, it is characterized in that: in parallel by producing oxygen more than three with the device institute of thick nitrogen, connect and the synchronous hybrid device of composition.
8, according to claim 3,5,6 or 7 described devices, it is characterized in that: on air input unit and oxygen take-off equipment and thick nitrogen take-off equipment, be equiped with setting device respectively.
9, according to claim 3,5,6,7 or 8 described setting devices, it is characterized in that: between the setting device of the setting device of oxygen take-off equipment and thick nitrogen take-off equipment, link gear is set, when making the aperture increase of one of them setting device, the aperture of another setting device correspondingly reduces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93119484 CN1091054A (en) | 1992-11-05 | 1993-11-02 | The preparation method and the device of oxygen and thick nitrogen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN92112806.1 | 1992-11-05 | ||
| CN 92112806 CN1086458A (en) | 1992-11-05 | 1992-11-05 | The preparation method and the device of oxygen and thick nitrogen |
| CN 93119484 CN1091054A (en) | 1992-11-05 | 1993-11-02 | The preparation method and the device of oxygen and thick nitrogen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1091054A true CN1091054A (en) | 1994-08-24 |
Family
ID=25742826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93119484 Pending CN1091054A (en) | 1992-11-05 | 1993-11-02 | The preparation method and the device of oxygen and thick nitrogen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1091054A (en) |
-
1993
- 1993-11-02 CN CN 93119484 patent/CN1091054A/en active Pending
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