CN105858612B - And the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through - Google Patents
And the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through Download PDFInfo
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- CN105858612B CN105858612B CN201610202690.8A CN201610202690A CN105858612B CN 105858612 B CN105858612 B CN 105858612B CN 201610202690 A CN201610202690 A CN 201610202690A CN 105858612 B CN105858612 B CN 105858612B
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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
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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
- C01B2210/00—Purification or separation of specific gases
- C01B2210/0001—Separation or purification processing
- C01B2210/0009—Physical processing
- C01B2210/0014—Physical processing by adsorption in solids
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- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The present invention provides a kind of and the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through, including at least two air compression units, buffering constant pressure unit, the drying unit that radiates, oxygen absorbing unit, pressure sensor and control unit processed;First output end of each air compression unit is connect with the input terminal of buffering constant pressure unit, the output end for buffering constant pressure unit is connect with the first input end of heat dissipation drying unit, and the first output end of the drying unit that radiates is connect with the first input end of oxygen absorbing unit processed;The input terminal of pressure sensor is connect with the first input end of oxygen absorbing unit processed, and the output end of pressure sensor and the first input end of control unit connect, and the first output end of control unit is connect with the start end of each air compression unit;The control signal that control unit is transmitted according to pressure sensor adjusts the startup quantity of air compression unit.The present invention can meet oxygen demand processed in the area of the different each different altitude height of rarefaction of air degree.
Description
Technical field
The present invention relates to a kind of and the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through, belong to medical guarantor
Strong instrument field.
Background technology
Pressure-variable adsorption (Pressure Swing Absorption, referred to as:PSA) oxygenerating technology be using air as raw material, with
Zeolite molecular sieve is adsorbent, is passed through in adsorbent after imposing certain pressure to air, under a certain pressure, zeolite molecular sieve energy
The nitrogen in air is enough adsorbed, thus by the oxygen concentration in air, and when zeolite molecular sieve absorption nitrogen is saturated, to boiling
The decompression of stone molecular sieve makes nitrogen desorption be discharged and carry out regeneration recycling to zeolite molecular sieve.Therefore, omnibus control system
Technology makes the oxygen in air raw material, nitrogen separation to prepare by pressurized adsorbent, the Rapid Circulation process of decompression desorption
Store oxygen.
As China is in recent years in a large amount of developments of western plateau economic construction work, in the field work of plateau
Oxygen demand it is also more and more, existing small-sized portable pressure swing adsorption oxygen is divided into plain type oxygenerator and plateau type system
Oxygen machine, wherein plain type oxygenerator is primarily adapted for use in that atmospheric density is big, the normal plains region of air pressure, passes through in such area
Air pump is easy to extract sufficient amount air, and oxygen preparation is completed to which air to be sent into certain pressure in zeolite molecular sieve, but
Be plain type oxygenerator on plateau in use, because adsorbent bed admission pressure is insufficient or phase is not achieved in the indexs such as oxygen-producing amount, oxygen concentration
Pass standard, which requires, or valve is not opened is unable to normal boot-strap operation.And plateau type oxygenerator in Plain in use, because of adsorbent bed air inlet
Hypertonia or adsorbent bed penetrate oxygen concentration dramatic decrease or pressure obstruction is not normally functioning.Therefore, in the prior art simultaneously
The oxygenerator of highlands and plains region can be suitable for simultaneously.
Invention content
The present invention provides a kind of and the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through, existing for solving
The small-sized portable pressure swing adsorption oxygen having can not only can be suitably used for plains region but also adapt in the higher air of height above sea level
The defect of thin highlands.
The present invention provides a kind of and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level, including the compression of at least two air
Unit, buffering constant pressure unit, the drying unit that radiates, oxygen absorbing unit, pressure sensor and control unit processed;
First output end of each air compression unit is connect with the input terminal of the buffering constant pressure unit, described slow
The output end for rushing constant pressure unit is connect with the first input end of the heat dissipation drying unit, and the first of the heat dissipation drying unit is defeated
Outlet is connect with the first input end of the oxygen absorbing unit processed, and each air compression unit is used to extract from air empty
Gas is simultaneously filtered compression generation compressed air to the air of the extraction, and the buffering constant pressure unit is used for compression sky
Gas is into row buffering constant pressure;
The input terminal of the pressure sensor is connect with the first output end of the heat dissipation drying unit, the pressure sensing
The output end of device and the first input end of described control unit connect, the first output end of described control unit and each sky
The start end of gas compression unit connects;
The pressure sensor is used to monitor the pressure value of air in the entrance oxygen absorbing unit processed, and by the pressure
Value is transferred to described control unit;
Described control unit is used to send out to the air compression unit when the pressure value is less than the first predetermined threshold value
Signal is controlled, to increase the startup quantity of the air compression unit.
Further, each air compression unit includes air pump, air bleeding valve and check valve, the air pump respectively with institute
It states air bleeding valve to connect with check valve, the output end of the check valve is the first output end of the air compression unit, the row
The input terminal of the input terminal of air valve and the air pump is the start end of the air compression unit.
Further, the buffering constant pressure unit includes the air cushion tank and overflow valve interconnected, the overflow valve
For adjusting the pressure of air in the air cushion tank;The input terminal of the air cushion tank is the buffering constant pressure unit
Input terminal, the output end of the air cushion tank are the output end of the buffering constant pressure unit.
Further, further include:Oxygen flow monitoring unit and oxygen purity monitoring unit, the oxygen flow monitoring are single
The input terminal of member and the input terminal of oxygen purity monitoring unit are connect with the oxygen output of the oxygen absorbing unit processed respectively, institute
The first output end for stating oxygen flow monitoring unit is connected with the second input terminal of described control unit, the oxygen purity monitoring
The output end of unit is connected with the third input terminal of described control unit.
Further, further include:Making oxygen driving unit, input terminal and the control of the making oxygen driving unit
The second output terminal of unit processed connects, and the second of the output end of the making oxygen driving unit and the oxygen absorbing unit processed is defeated
Enter end connection;
The making oxygen driving unit for changing the oxygen absorbing unit processed oxygen running parameter processed.
Further, the heat dissipation drying unit includes the radiator and rotary separator interconnected, the radiator
Input terminal be the heat dissipation drying unit first input end, the output end of the rotary separator is the dry list of the heat dissipation
First output end of member.
Further, further include interface board, the interface board includes circuit interface, air-path interface and drainage interface;
The circuit interface is used to provide working power to the oxygenerator;The air-path interface is supervised with the oxygen flow
The second output terminal connection for surveying unit, for receiving oxygen and conveying the oxygen to storage oxygen equipment and/or pressure oxygen equipment;It is described
Drainage interface is connect with the second output terminal of the heat dissipation drying unit, for discharging the ponding in the heat dissipation drying unit.
Further, further include the operating display being connect with described control unit.
Further, further include rack, at least two air compression unit, buffering constant pressure unit, heat dissipation are dry single
Member, oxygen absorbing unit processed, pressure sensor, control unit, oxygen flow monitoring unit, oxygen purity monitoring unit, oxygen stream processed
Journey driving unit, interface board and operating display are separately fixed in the rack;Further include babinet, the rack is accommodated in institute
It states in babinet, and is connect with the babinet by screw rod.
The present invention also provides a kind of and adaptive adsorption oxygen-preparation process of machine constant pressure type height above sea level, using any of the above-described described
And the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level carry out, described method includes following steps:
1) an at least air compression unit extracts air from external environment and is filtered compression, and it is empty to obtain compression
Gas, and the compressed air is input to the buffering constant pressure unit;
2) the buffering constant pressure unit receives the compressed air and is adjusted into row buffering to the compressed air, then will
Compressed air after buffering is adjusted is input to the heat dissipation drying unit;
3) pressure after the heat dissipation drying unit receives the compressed air after the buffering is adjusted and adjusted to the buffering
Contracting air carries out removing water process, obtains the drying compressed air, and the drying compressed air is input to the pressure and is passed
Sensor and the oxygen absorbing unit processed;
4) pressure value of drying compressed air described in the pressure sensor monitoring, and the pressure value is sent to described
Control unit;
5) described control unit receives the pressure value, and the pressure value is compared with the first predetermined threshold value, when
When the pressure value is less than first predetermined threshold value, the startup quantity that described control unit increases the air compression unit is straight
It is identical as the first predetermined threshold value to the pressure value;
6) after the pressure value is identical as the first predetermined threshold value, the oxygen absorbing unit processed is to the drying compressed air
Nitrogen adsorption is carried out, oxygen is obtained.
The of the invention and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level and method for producing oxygen through, are supervised by pressure sensor
The compressed air pressure for entering oxygen absorbing unit processed, the i.e. air inflow of compressed air are surveyed, and by the pressure in a manner of electric signal
It is transferred to control unit, the pressure value of compressed air is compared by control unit with the first predetermined threshold value that itself is stored, when
When pressure value is less than the first predetermined threshold value, control unit starts surplus successively to not actuated air compression unit transmission enabling signal
Remaining air compression unit is until the pressure value of compressed air is identical as the first predetermined threshold value, to enable air compression unit
More air capacities are extracted to meet the currently design objective requirement to oxygen making amount and oxygen purity from the external world.
Description of the drawings
Fig. 1 be the present invention and the adaptive adsorption oxygen-preparation machine module diagram of machine constant pressure type height above sea level;
Fig. 2 be the present invention and another embodiment module diagram of the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level;
Fig. 3 is the structural schematic diagram of interface board in the present invention.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is the present invention
A part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained under the premise of creative work is made, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 be the present invention and the adaptive adsorption oxygen-preparation machine module diagram of machine constant pressure type height above sea level.
The of the invention and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level includes at least two air compression units 1, buffering constant pressure
Unit 2, heat dissipation drying unit 3, oxygen absorbing unit 4 processed, pressure sensor 5 and control unit 6;Each air compression unit 1
First output end 11 is connect with the input terminal 22 of buffering constant pressure unit 2, and the output end 21 of buffering constant pressure unit 2 and heat dissipation are dry single
The first input end 32 of member 3 connects, the first input end of the first output end 31 and oxygen absorbing unit 4 processed of heat dissipation drying unit 3
42 connections, each air compression unit 1, which is used to extract air from air and is filtered compression to the air of extraction, generates pressure
Contracting air, buffering constant pressure unit 2 for compressed air into row buffering constant pressure;The input terminal 52 of pressure sensor 5 is dry with heat dissipation
First output end 31 of dry unit 3 connects, and the output end 51 of pressure sensor 5 is connect with the first input end 62 of control unit 6,
First output end 61 of control unit 6 is connect with the start end 12 of each air compression unit 1;Pressure sensor 5 is for monitoring
Into the pressure value of air in oxygen absorbing unit 4 processed, and pressure value is transferred to control unit 6;Control unit 6 is for working as pressure
Control signal is sent out to air compression unit 1 when value is less than the first predetermined threshold value, to increase the startup number of air compression unit 1
Amount.
Two air compression units are included at least in the oxygenerator of the present invention, as shown in Figure 1, the oxygenerator of the present invention includes
4 air compression units 1 (1a-1d), 4 air compression units 1 are in mode in parallel, all include one and big gas phase
Logical air entry, which is used to extract extraneous air and then carries out compression filtering to the air of extraction, generates compressed air, the
One output end 11 is connect with the first input end 22 of buffering constant pressure unit 2 respectively.When air compression unit 1 completes the mistake of air
After filtering compression processing, the compressed air with certain pressure can be input to buffering constant pressure unit 2,2 meeting pair of buffering constant pressure unit
The compressed air of entrance plays the role of buffering pressure regulation, compressed air is input in heat dissipation drying unit 3 again later, compression is empty
Gas can be condensed into water by the vapor therein that radiates, the water after the rotating separation device processing in the drying unit 3 that radiates
Branch detaches with gas completion, to obtain dry compressed air.Dry compressed air is after heat dissipation drying unit 3 exports
Into oxygen absorbing unit 4 processed, molecular sieve in oxygen absorbing unit 4 processed after the compressed air for touching the drying with pressure,
Nitrogen adsorption can be carried out to dry compressed air, and then obtain oxygen.
Since the molecular sieve of absorption nitrogen is at various pressures for the adsorption capacity of nitrogen difference, only enter molecular sieve
Air pressure reach certain requirement after, molecular sieve could complete the absorption to nitrogen.Thus under different height above sea levels,
In order to meet the needs of oxygen making amount, it is adjusted such that for entering the air inflow needs of compressed air of oxygen absorbing unit 4 processed
It reaches the absorption demand of molecular sieve.The oxygenerator of the present invention can be suitable for the highlands of various height above sea levels, by molecule
The pressure demand of the nitrogen adsorption of sieve is limited as the pressure of the compressed air to entering oxygen absorbing unit 4 processed, which is
Current molecular sieves the optimal compression air inlet amount that can complete nitrogen adsorption, i.e., the first above-mentioned predetermined threshold value.In general, working as
When height above sea level is any height above sea level of 0-5000m, which is 0.22-0.23MPa, first predetermined threshold value
It can be manually set and be stored in control unit 6.
When the oxygenerator of the present invention is after being powered startup, control unit 6 can first be sent to First air compression unit 1a
Controlling signal enabling, it runs, and after air compression unit 1a completes air compression, buffering constant pressure, drying steps, pressure passes
Sensor 5 can press the compressed air of the drying that will enter in oxygen absorbing unit 4 processed exported from heat dissipation drying unit
Power detects, and the concrete outcome of the pressure detecting is transferred to control unit 6 in a manner of electric signal, 6 meeting of control unit at this time
The pressure value received is compared with the first predetermined threshold value being stored therein in, when the pressure value received is pre- less than first
If (pressure of the drying compressed air entered in oxygen absorbing unit 4 processed is not up to the pressure of molecular sieve absorption nitrogen when threshold value
Demand), control unit 6 can send control signal enabling to air compression unit 1b, and it runs, and participates in the air pressure of operation at this time
Contracting unit is two air compression units of 1a and 1b, therefore from the external world can extract more air within the unit interval to reach the
One presets the requirement of pre- threshold value.And so on, if air supply does not meet the needs of the first predetermined threshold value also, control is single
Member 6 can needs of the more air compression units of sequence starting up to meeting the first predetermined threshold value.It is empty by controlling in the present invention
The startup quantity of gas compression unit 1 can carry out the air inflow of compressed air coarse adjustment, but often exist and work as compressed air
Air inflow be less than the first predetermined threshold value when restart another air compression unit after, the air inflow of compressed air can be higher than again
First predetermined threshold value can not only influence molecular sieve adsorption capacity for nitrogen but also can increase energy consumption at this time, thus at this time can taking human as pair
It buffers constant pressure unit and carries out threshold value setting, the pressure venting that will be had more is preset until the air inflow of compressed air is in first
In the range of pre- threshold value.
It is worth noting that, the first output end 61 of control unit 6 includes several control ports in the present invention, wherein controlling
The number of port processed is identical as the number of air compression unit 1, and the output end of each control port and an air compression are single
The start end of member 1 is connected by electric wire, and the signal exported from each control port is not interfere with each other.Therefore, when control unit 6
When sending out control signal enabling air compression unit, startup letter can be sent out by corresponding control port in the first output end 61
Number, that air compression unit 1 to be connect accordingly with control port will be activated.
In order to effectively reduce starting up's time, control unit 6 can for the first time start according to current specific height above sea level control
Air compression unit number, specifically, current altitude can be input in control unit 6 by operating personnel.For example, in sea
The place of degree of lifting 3000m or more is in use, control unit 6 can automatically select 3 fortune of air compression units 1 after oxygenerator booting
It is most short for standard progress to run the cumulative time by the program of control unit 6 for row, specifically which 3 work of air compression units 1
Compare and finally determines.If tolerance does not reach requirement, the 4th air compression unit 1 can be started.
Specifically, the first input end 42 and pressure of the first output end 31 of heat dissipation drying unit 3, oxygen absorbing unit 4 processed
The input terminal 52 of sensor 5 is connected by threeway.By the connection type of threeway, it disclosure satisfy that pressure sensor 5 for from dissipating
The real-time monitoring for the drying compressed air that heated drying unit 3 exports, it is preferred that it is single that threeway can be positioned close to oxygen absorption processed
The side of member 4, such as from the about 20cm of oxygen absorbing unit 4 processed, which can ensure that pressure sensor 5 monitors most accurately i.e.
It into the compressed air pressure after the drying in oxygen absorbing unit 4 processed, will avoid since heat dissipation drying unit 3 and oxygen processed absorption are single
Pipeline gets rusty pressure error caused by equal institute's possibility between member 4.
The of the invention and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level is suitable for the area of different altitude height, leads to
The startup quantity for the air supply control air compression unit that monitoring enters in oxygen absorbing unit 4 processed is crossed to adjust to the external world
The rate of air sucked in required of air can simultaneously be finely adjusted rate of air sucked in required, meet optimal adsorption ability of the binding molecule sieve for nitrogen, and most
Reach the oxygen demand processed under current altitude under optimal energy consumption eventually.
Referring to FIG. 2, Fig. 2 be the present invention and another embodiment mould of the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level
Block schematic diagram.Each air compression unit 1 in the embodiment includes air pump 15, air bleeding valve 16 and check valve 17, and air pump 15 divides
It is not connect with air bleeding valve 16 and check valve 17, the output end of check valve 17 is the first output end 11 of air compression unit 1, exhaust
The input terminal of valve 16 and the start end 12 that the input terminal of air pump 15 is air compression unit 1.In the present embodiment, when needing to start
When air compression unit 1 (1a), control unit 6 can first send to the input terminal of the air bleeding valve 16 of air compression unit 1 (1a) and control
Signal processed makes its opening, to make the output pressure of the air pump being connect with air bleeding valve 16 15 be reduced to 0, to ensure that air pump 15
Startup not with pressure.After the air bleeding valve 16 opens 2s, control unit 6 can be to the defeated of the air pump 15 of the air compression unit 1 (1a)
Enter end and send out the control signal enabling air pump 15, air bleeding valve 16 is closed after 1-3s, at this time air pump 15 can quickly extract air from
And pressure rises rapidly, the air of extraction is then carried out compression and under the action of check valve 17 to buffering constant pressure list by air pump 15
Member 2 conveys compressed air.The setting can ensure the working efficiency of air compression unit 1, make it can be within the unit interval
Extract more air capacities in the external world.In order to be purified in advance to the air of extraction, a filter, mistake can be set before air pump
Filter can to the external world extract air be filtered, and finally obtain impurity grain size less than or equal to 10 μm, impurity content it is small
In or equal to 0.5mg/m3The air with certain cleannes.
Further, buffering constant pressure unit 2 includes the air cushion tank 25 interconnected and overflow valve 26, and overflow valve 26 is used
To adjust the pressure of air in air cushion tank 25;The input terminal of air cushion tank 25 is the input terminal 22 for buffering constant pressure unit 2,
The output end of air cushion tank 25 is the output end 21 for buffering constant pressure unit 2.Referring to FIG. 2, since the oxygenerator of the present invention exists
The highlands of rarefaction of air can start multiple air compression units 1, therefore the first output of multiple air compression units 1 simultaneously
End 11 can all export compressed air simultaneously, and the first output end 11 of multiple air compression units 1 exports compressed air in order to prevent
Unstability, compressed air can be introduced into air cushion tank 25 until compressed air stablize.If eventually entering into oxygen absorption processed
The compressed air pressure of unit 4 is more than the first predetermined threshold value, can be right by pair overflow valve being connect with air cushion tank 25 26
Compressed air is finely adjusted extra gas discharge until the compressed air air inflow in buffering constant pressure unit meets first in advance
If threshold value.
Further, further include oxygen flow monitoring unit 7 and oxygen purity monitoring in order to further meet oxygen demand processed
Unit 8, the input terminal of oxygen flow monitoring unit 7 and the input terminal of oxygen purity monitoring unit 8 respectively with oxygen absorbing unit 4 processed
Oxygen output 41 connect, the second 622 ends of input of the first output end 71 of oxygen flow monitoring unit 7 and control unit 6
Connection, the output end 81 of oxygen purity monitoring unit 8 and the third input terminal 633 of control unit 6 connect.Oxygen flow monitoring is single
Member 7 can be used in oxygen export to oxygen absorbing unit 4 processed progress flow monitoring, and oxygen purity monitoring unit 8 can be used in pair
The oxygen that oxygen absorbing unit 4 processed exports carries out purity monitoring.It can think, oxygen absorbing unit 4 processed further includes a nitrogen output end
(not shown), the nitrogen output end can be used in when molecular sieve is saturated nitrogen adsorption, make absorption by decompression processing
Nitrogen desorption over a molecular sieve emits, to meet recycling for molecular sieve.It is worth noting that, the present invention is simultaneously
The number of the molecular sieve tower in oxygen absorbing unit 4 processed is not limited.
Further, further include:Making oxygen driving unit 9, the input terminal 92 of making oxygen driving unit 9 and control are single
The second output terminal 611 of member 6 connects, the second input terminal of the output end 91 of making oxygen driving unit 9 and oxygen absorbing unit 4 processed
422 connections.Making oxygen driving unit 9 for changing oxygen absorbing unit 4 processed oxygen running parameter processed.
It is defeated in order to more accurately control after compressed air after the drying meets molecular sieve to the adsorptive pressure of nitrogen
Go out the flow and purity of oxygen, oxygen flow threshold value and oxygen purity threshold value can also be stored in control unit 6, works as oxygen stream
The instantaneous value that amount monitoring unit 7 and oxygen purity monitoring unit 8 are fed back to control unit 6 and oxygen flow threshold value and oxygen purity
When threshold value mismatches, control unit 6 can carry out signal transmission to making oxygen driving unit 9, make making oxygen driving unit 9
The running parameter of oxygen absorbing unit 4 processed is adjusted, such as the desorption time of the adsorption time of nitrogen, nitrogen and is pressed
Time etc., until current oxygen flow and oxygen purity respectively with the oxygen flow threshold value and oxygen that are stored in control unit 6
Gas purity threshold value matches.
It is envisioned that make when making oxygen driving unit 9 is adjusted the running parameter of oxygen absorbing unit 4 processed,
It is probably also affected into the pressure of the compressed air after the drying of oxygen absorbing unit 4 processed, at this point, pressure sensor 5
Also need to execute pressure monitoring task to meet the needs of the first predetermined threshold value.Therefore, oxygenerator of the invention can be in difference
It is worked normally in the area of height above sea level, and ensures that current oxygen making amount and oxygen purity reach design objective requirement.
Further, heat dissipation drying unit 3 includes the radiator and rotary separator interconnected, the input terminal of radiator
For the first input end 32 for the drying unit 3 that radiates, the output end of rotary separator is the first output end of heat dissipation drying unit 3
31.Radiator is connected with the output end 21 of buffering constant pressure unit 2, and for radiating to compressed air, one is carried out by cooling down
Grade cooling water separation.The input terminal of rotary separator is connected with radiator output end, is used for two level gas-water separation, is finally completed pressure
The drying of contracting air removes water process.
Further, further include interface board.Fig. 3 is the structural schematic diagram of interface board in the present invention, is please referred to Fig.3.Interface
Plate includes circuit interface a, air-path interface b and drainage interface c;Circuit interface a is used to provide working power to oxygenerator, and gas circuit connects
Mouthful b connect with the second output terminal of oxygen flow monitoring unit 7, for receiving oxygen and to storing up oxygen equipment and/or press oxygen equipment
Convey oxygen;Drainage interface c is connect with the second output terminal of heat dissipation drying unit 3, for discharging the product in heat dissipation drying unit 3
Water.
In order to avoid oxygenerator middle pipe is passed by cumbersome, an interface board can be set in oxygenerator, and the interface board is special
It is output and input with extraneous for completing oxygenerator.Circuit interface a can provide working power for oxygenerator ensures oxygenerator
Normal operation, include the ground terminal a1 of electrical safety, power input electric connector a2 and power supply transfer output electricity
Connector a3;Air-path interface b is that oxygen exports fast interface, can be connect with the second output terminal of oxygen flow monitoring unit 7,
Complete the output of oxygen.Drainage interface c can be connect with heat dissipation drying unit 3, radiated for collecting and being discharged compressed air
Generated moisture after cooling and rotating separation, including cooling drain and detach draining conversion knob c1 and the fast interface of draining
c2。
Further, further include the operating display 10 being connect with control unit 6.Operating display 10 can be convenient for user to grasp
Make, such as setting for the first predetermined threshold value, oxygen flow threshold value and oxygen purity threshold value can be completed and inputted to make
It is stored in control unit 6 in, can also complete pressure sensor 5 to enter oxygen absorbing unit 4 processed in drying compressed air pressure,
The visualization of current oxygen flow and oxygen purity, is convenient for the working condition of the current oxygenerator of user's more intuitive understanding.It is excellent
Choosing, which can be touch screen, and the startup and shutdown of equipment can also be carried out by the operating display.
Further, further include rack, at least two air compression units 1, buffering constant pressure unit 2, heat dissipation drying unit
3, oxygen absorbing unit 4 processed, pressure sensor 5, control unit 6, oxygen flow monitoring unit 7, oxygen purity monitoring unit 8, system
Oxygen driving unit 9, interface board and operating display 10 are respectively fixed on the machine frame.The rack is as above-mentioned each unit
Carrier can be moved volume reductionizations of oxygenerator and open country convenient for daily convenient for the connection and fixation between each unit
Outer operation.
Further, further include babinet, rack is accommodated in babinet, and is connect with babinet by screw rod.Babinet, which uses, to be blown
Mould forming technique or rotation molding technology, the carrier for providing carrying for instrument and outer packing babinet, when operation only needs to open
Just oxygenerator can be operated.The integrated design of case instrument disclosure satisfy that frequent carrying, handling, vehicle-mounted transport, field
The requirements such as operation are highly suitable to be applied for the strategies such as natural calamity, field training, solve frequently to carry, fill
Unload, the field extreme environments such as vehicle-mounted transport is vibrated, drenched with rain to oxygen generating plant may caused by damage the problems such as.
The of the invention and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level is simple in structure, easy to operation.Pass through pressure
Sensor carries out pressure monitoring and adjustment to the pressure value for entering drying compressed air pressure in oxygen absorbing unit processed, to meet
The normal running conditions of oxygenerator under current altitude makes nitrogen molecule sieve meet the suction to nitrogen under the conditions of optimal adsorption
It is attached, and then oxygen can be prepared in the area of various height above sea levels, and be easy to move, therefore the present invention is on western plateau
The field emergency medical rescue in area, field medicine treatment and prevention, alleviation and the treatment etc. of altitude sickness have wide
Application prospect.
The present invention also provides a kind of and adaptive adsorption oxygen-preparation process of machine constant pressure type height above sea level, using any of the above-described described
And the adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level carry out, described method includes following steps:
1) an at least air compression unit extracts air from external environment and is filtered compression, and it is empty to obtain compression
Gas, and the compressed air is input to the buffering constant pressure unit;
2) the buffering constant pressure unit receives the compressed air and is adjusted into row buffering to the compressed air, then will
Compressed air after buffering is adjusted is input to the heat dissipation drying unit;
3) pressure after the heat dissipation drying unit receives the compressed air after the buffering is adjusted and adjusted to the buffering
Contracting air carries out removing water process, obtains the drying compressed air, and the drying compressed air is input to the pressure and is passed
Sensor and the oxygen absorbing unit processed;
4) pressure value of drying compressed air described in the pressure sensor monitoring, and the pressure value is sent to described
Control unit;
5) described control unit receives the pressure value, and the pressure value is compared with the first predetermined threshold value, when
When the pressure value is less than first predetermined threshold value, the startup quantity that described control unit increases the air compression unit is straight
It is identical as the first predetermined threshold value to the pressure value;
6) after the pressure value is identical as the first predetermined threshold value, the oxygen absorbing unit processed is to the drying compressed air
Nitrogen adsorption is carried out, oxygen is obtained.
The provided by the invention and adaptive adsorption oxygen-preparation process of machine constant pressure type height above sea level, can adapt to different altitude height
The application scenario of atmospheric density (or atmospheric pressure) variation requires, and relative constant air inflow is provided for oxygen absorbent module processed, with
Oxygen index processed when oxygenerator being made not influenced to reach design by height above sea level, to solve oxygenerator oxygen absorbent module air inlet
Pressure changes with height above sea level and changes and oxygenerator is caused to be difficult to the problem of different height above sea levels can work normally.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (6)
1. a kind of and adaptive adsorption oxygen-preparation machine of machine constant pressure type height above sea level, which is characterized in that compressed including at least two air
Unit, buffering constant pressure unit, the drying unit that radiates, oxygen absorbing unit, pressure sensor and control unit processed;
First output end of each air compression unit is connect with the input terminal of the buffering constant pressure unit, and the buffering is permanent
The output end of unit is pressed to be connect with the first input end of the heat dissipation drying unit, the first output end of the heat dissipation drying unit
It is connect with the first input end of the oxygen absorbing unit processed, each air compression unit is used to extract air simultaneously from air
To the air of the extraction be filtered compression generate compressed air, the buffering constant pressure unit for the compressed air into
Row buffering constant pressure;
The input terminal of the pressure sensor is connect with the first output end of the heat dissipation drying unit, the pressure sensor
Output end and the first input end of described control unit connect, the first output end of described control unit and each air pressure
The start end of contracting unit connects;
The pressure sensor is used to monitor the pressure value into air in the oxygen absorbing unit processed, and the pressure value is passed
It is handed to described control unit;
Described control unit is used to send out control to the air compression unit when the pressure value is less than the first predetermined threshold value
Signal, to increase the startup quantity of the air compression unit;
Each air compression unit includes air pump, air bleeding valve and check valve, the air pump respectively with the air bleeding valve and list
It is connected to valve, the output end of the check valve is the first output end of the air compression unit, the input terminal of the air bleeding valve
Input terminal with the air pump is the start end of the air compression unit;
The buffering constant pressure unit includes the air cushion tank and overflow valve interconnected, and the overflow valve is used for adjusting the sky
The pressure of air in gas surge tank;The input terminal of the air cushion tank is the input terminal of the buffering constant pressure unit, the sky
The output end of gas surge tank is the output end of the buffering constant pressure unit;
Further include:Oxygen flow monitoring unit and oxygen purity monitoring unit, the input terminal of the oxygen flow monitoring unit and
The input terminal of oxygen purity monitoring unit is connect with the oxygen output of the oxygen absorbing unit processed respectively, the oxygen flow prison
The first output end for surveying unit is connected with the second input terminal of described control unit, the output end of the oxygen purity monitoring unit
It is connected with the third input terminal of described control unit;
Further include:Making oxygen driving unit, the input terminal of the making oxygen driving unit and the second of described control unit
Output end connects, and the output end of the making oxygen driving unit is connect with the second input terminal of the oxygen absorbing unit processed;
The making oxygen driving unit for changing the oxygen absorbing unit processed oxygen running parameter processed.
2. oxygenerator according to claim 1, which is characterized in that the heat dissipation drying unit includes the heat dissipation interconnected
Device and rotary separator, the input terminal of the radiator are the first input end of the heat dissipation drying unit, the rotating separation
The output end of device is the first output end of the heat dissipation drying unit.
3. oxygenerator according to claim 1, which is characterized in that further include interface board, the interface board includes that circuit connects
Mouth, air-path interface and drainage interface;
The circuit interface is used to provide working power to the oxygenerator;The air-path interface and oxygen flow monitoring are single
The second output terminal connection of member, for receiving oxygen and conveying the oxygen to storage oxygen equipment and/or pressure oxygen equipment;The draining
Interface is connect with the second output terminal of the heat dissipation drying unit, for discharging the ponding in the heat dissipation drying unit.
4. according to any oxygenerators of claim 1-3, which is characterized in that further include the behaviour being connect with described control unit
Make display screen.
5. oxygenerator according to claim 4, which is characterized in that further include rack, at least two air compression is single
Member, buffering constant pressure unit, the drying unit that radiates, oxygen absorbing unit processed, pressure sensor, control unit, oxygen flow monitoring are single
Member, oxygen purity monitoring unit, making oxygen driving unit, interface board and operating display are separately fixed in the rack;
Further include babinet, the rack is accommodated in the babinet, and is connect with the babinet by screw rod.
6. a kind of and adaptive adsorption oxygen-preparation process of machine constant pressure type height above sea level, which is characterized in that any using claim 1-5
The adaptive adsorption oxygen-preparation machine of described and machine constant pressure type height above sea level carries out, and described method includes following steps:
1) an at least air compression unit extracts air from external environment and is filtered compression, obtains compressed air,
And the compressed air is input to the buffering constant pressure unit;
2) the buffering constant pressure unit receives the compressed air and is adjusted into row buffering to the compressed air, then will buffering
Compressed air after adjusting is input to the heat dissipation drying unit;
3) compression after the heat dissipation drying unit receives the compressed air after the buffering is adjusted and adjusted to the buffering is empty
Gas carries out removing water process, obtains drying compressed air, and the drying compressed air is input to the pressure sensor and institute
State oxygen absorbing unit processed;
4) pressure value of drying compressed air described in the pressure sensor monitoring, and the pressure value is sent to the control
Unit;
5) described control unit receives the pressure value, and the pressure value is compared with the first predetermined threshold value, when described
When pressure value is less than first predetermined threshold value, described control unit increases the startup quantity of the air compression unit until institute
It is identical as the first predetermined threshold value to state pressure value;
6) after the pressure value is identical as the first predetermined threshold value, the oxygen absorbing unit processed carries out the drying compressed air
Nitrogen adsorption obtains oxygen.
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CN111517281A (en) * | 2020-06-08 | 2020-08-11 | 可孚医疗科技股份有限公司 | Altitude-adaptive portable oxygen generator and oxygen generation method |
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CN103058143A (en) * | 2011-10-18 | 2013-04-24 | 吴华洪 | Oxygen generator capable of controlling concentration of generated oxygen |
CN103626132A (en) * | 2012-08-22 | 2014-03-12 | 张碧波 | Portable oxygenerator suitable for plateau section |
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JP2007089684A (en) * | 2005-09-27 | 2007-04-12 | Ngk Spark Plug Co Ltd | Oxygen concentrator |
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CN103058143A (en) * | 2011-10-18 | 2013-04-24 | 吴华洪 | Oxygen generator capable of controlling concentration of generated oxygen |
CN103626132A (en) * | 2012-08-22 | 2014-03-12 | 张碧波 | Portable oxygenerator suitable for plateau section |
CN204999610U (en) * | 2015-08-05 | 2016-01-27 | 贵阳活性源环保产业有限公司 | Oxygenerator air compressor rotational speed self compensating system |
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