CN205773348U - A kind of device preparing high-purity nitrogen continuously - Google Patents
A kind of device preparing high-purity nitrogen continuously Download PDFInfo
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- CN205773348U CN205773348U CN201620459714.3U CN201620459714U CN205773348U CN 205773348 U CN205773348 U CN 205773348U CN 201620459714 U CN201620459714 U CN 201620459714U CN 205773348 U CN205773348 U CN 205773348U
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Abstract
This utility model relates to a kind of device preparing high-purity nitrogen continuously, including air pretreatment system, the nitrogen oxygen separation membrane being connected with air pretreatment system, with nitrogen oxygen separation membrane first exports respectively, second exports the nitrogen gas generating system and oxygen generation system being connected, respectively with air pretreatment system, nitrogen gas generating system and the electric controller of oxygen generation system electrical connection, under the regulation and control of electric controller, air is separated into nitrogen-rich gas and oxygen rich gas successively after air pretreatment system and nitrogen oxygen separation membrane, nitrogen-rich gas prepares high-purity nitrogen after nitrogen gas generating system processes, oxygen rich gas prepares oxygen after oxygen generation system processes, realize preparing continuously the purpose of high-purity nitrogen co-production oxygen.Compared with prior art, this utility model device, with cheap air as raw material, prepares the high-purity nitrogen that purity is 99.999% continuously, and co-production purity is the oxygen of 96%, it is capable of 24 hours uninterruptedly providing nitrogen and oxygen, meets industry and laboratory needs.
Description
Technical field
This utility model belongs to nitrogen preparing technical field, relates to a kind of device preparing high-purity nitrogen continuously.
Background technology
Liquid chromatograph mass spectrography (LC/MS) is one of conventional method of Laboratory Instruments analysis, extensively applies
In fields such as biochemistry, medical research and application, environmental analysis, food analysis and clinical practices.Tradition is real
Test room and the plenum system of LC/MS is typically with the steel cylinder of low cost or high pressure tank realizes, but steel cylinder
And the finite capacity of high pressure tank, it is impossible to realize 24 hours uninterruptedly providing experiment required nitrogen, to this end, real
The personnel of testing must order continually, carry, install gas tank.When installing gas tank, portion gas can be caused unavoidably to let out
Dew, not only wastes gas, but also there is certain potential safety hazard.
Existing separating air and making mainly has low temperature process, absorption method and membrane separation process for the method for nitrogen.Wherein, low
There is energy consumption height, long flow path, start-up course length, the high drawback of plant maintenance requirement in warming therapy；Absorption method power consumption is relatively big,
And the adsorption capacity of adsorbent is limited, when adsorbing certain molecule and reaching saturated, need to stop work and make adsorbent reactivation；Film
The nitrogen gas purity that partition method obtains is about 95%, and oxygen purity is 30-40%, is all difficult to meet needs.
Utility model content
Defect that the purpose of this utility model is contemplated to overcome above-mentioned prior art to exist and provide one to join
Produce oxygen and the low device preparing high-purity nitrogen continuously of energy consumption.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of device preparing high-purity nitrogen continuously, this device includes air pretreatment system and air pretreatment
Nitrogen oxygen separation membrane that system is connected, respectively with the first of nitrogen oxygen separation membrane the outlet, second export the nitrogen gas generating system being connected
And oxygen generation system, the electric controller that electrically connects with air pretreatment system, nitrogen gas generating system and oxygen generation system respectively,
Under the regulation and control of electric controller, air is separated into rich nitrogen successively after air pretreatment system and nitrogen oxygen separation membrane
Gas and oxygen rich gas, nitrogen-rich gas prepares high-purity nitrogen after nitrogen gas generating system processes, and oxygen rich gas is through oxygen system processed
System prepares oxygen after processing, it is achieved prepare the purpose of high-purity nitrogen co-production oxygen continuously.
Electricity before air compressor machine that described air pretreatment system includes being sequentially connected, condenser, surge tank, Pressure gauge
Magnet valve and except water filter, should be connected with the import of nitrogen oxygen separation membrane except water filter, electric before described Pressure gauge
Magnet valve electrically connects with electric controller.
It is provided with between described condenser and surge tank and prevents the check valve of air blow back in surge tank.
Before described Pressure gauge, electromagnetic valve is provided with, with between water filter, the Pressure gauge electrically connected with electric controller.
Described nitrogen gas generating system includes that the oxygen being connected in parallel and being connected with the first outlet of nitrogen oxygen separation membrane is inhaled a pair
Coupon unit and the nitrogen gas purity analyser that is connected with Oxygen Adsorption unit successively and nitrogen dust removal filter, described
Oxygen Adsorption unit and nitrogen gas purity analyser electrically connect with electric controller respectively.
Described Oxygen Adsorption unit includes Oxygen Adsorption tower and is arranged on Oxygen Adsorption tower and nitrogen oxygen separation membrane
Oxygen Adsorption tower electromagnetic valve between first outlet, this Oxygen Adsorption tower electromagnetic valve electrically connects with electric controller.
Being filled with oxygen uptake molecular sieve in described Oxygen Adsorption tower, this oxygen uptake molecular sieve is carbon molecular sieve.
Described carbon molecular sieve has stronger absorbability to oxygen, it is possible to allow nitrogen molecule pass through, and can be used for purifying
Nitrogen.
Described oxygen generation system includes that the nitrogen being connected in parallel and being connected with the second outlet of nitrogen oxygen separation membrane is inhaled a pair
Coupon unit and the oxygen purity analyser that is connected with nitrogen adsorption unit successively and oxygen dust removal filter, described
Nitrogen adsorption unit and oxygen purity analyser electrically connect with electric controller respectively.
Described nitrogen adsorption unit includes nitrogen adsorption tower and is arranged on nitrogen adsorption tower and nitrogen oxygen separation membrane
Nitrogen adsorption tower electromagnetic valve between second outlet, this nitrogen adsorption tower electromagnetic valve electrically connects with electric controller.
Being filled with suction nitrogen molecular sieve in described nitrogen adsorption tower, this suction nitrogen molecular sieve includes 5A molecular sieve or 13X
One in molecular sieve.
Described 5A molecular sieve or 13X molecular sieve have stronger absorbability to nitrogen, it is possible to allow oxygen molecule lead to
Cross, can be used for purifying oxygen.
When reality is applied, air, after air compressor machine compression being cooled by condenser, flows into slow by check valve
Rushing tank, the air in surge tank, after electromagnetic valve regulation before Pressure gauge to predetermined pressure, flows into except removing in water filter
Remove moisture, in nitrogen oxygen separation membrane, be separated into nitrogen-rich gas that nitrogen gas purity is about 95% afterwards and oxygen is pure
Degree is the oxygen rich gas of 30-40%.Wherein, the trace oxygen in nitrogen-rich gas in Oxygen Adsorption tower by carbon molecule
Sieve adsorbs and removes, and dust or particulate matter in nitrogen-rich gas are removed in nitrogen dust removal filter, can be prepared by
High-purity nitrogen；Nitrogen in oxygen rich gas in nitrogen adsorption tower by 5A molecular sieve or 13X molecular sieve adsorption
Removing, dust or particulate matter in oxygen rich gas are removed in oxygen dust removal filter, can be prepared by oxygen.
In practical work process, electromagnetic valve and except in pipeline between water filter before Pressure gauge monitoring pressure in real time table
The pressure of air, and feed back to electric controller in time, when the appearance of abnormal pressure of air, electric controller leads to
Before overregulating Pressure gauge, the opening degree of electromagnetic valve is to maintain stablizing of air pressure；Two Oxygen Adsorption units alternately works
Making, nitrogen gas purity analyser is monitored the purity of nitrogen in real time, and is fed back to electric controller in time, works as nitrogen gas purity
When the nitrogen gas purity that analyser records is gradually lowered, show carbon molecular sieve in the Oxygen Adsorption unit worked by
Gradually close to saturated, electric controller will pass through circuit and closes the Oxygen Adsorption tower electromagnetic valve worked, and beats simultaneously
Drive another Oxygen Adsorption tower electromagnetic valve, make the Oxygen Adsorption tower on this branch road start working, it is ensured that nitrogen process processed is even
Continue and carry out, the most just can be by standby after the most saturated carbon molecular sieve regeneration；Two nitrogen adsorption units alternately work,
The purity of oxygen monitored in real time by oxygen purity analyser, and feeds back to electric controller in time, when oxygen purity analysis
When the oxygen purity that instrument records is gradually lowered, show the 5A molecular sieve in the nitrogen adsorption unit worked or
13X molecular sieve moves closer to saturated, and electric controller will pass through circuit and closes the nitrogen adsorption tower electromagnetism worked
Valve, and open another nitrogen adsorption tower electromagnetic valve simultaneously, make the nitrogen adsorption tower on this branch road start working, protect
Card oxygen preparation is carried out continuously, the most just can be by standby after the most saturated 5A molecular sieve or 13X regenerating molecular sieve.
Compared with prior art, this utility model has the following characteristics that
1) with cheap air as raw material, the high-purity nitrogen that purity is 99.999%, co-production are prepared continuously
Purity is the oxygen of 96%, it is possible to realizes 24 hours uninterruptedly providing nitrogen and oxygen, meets industry and laboratory
Need；
2) use nitrogen oxygen separation membrane in the posterior technique of front, nitrogen gas generating system and oxygen generation system, not only increase nitrogen oxygen
Separating film outlet nitrogen-rich gas and the purity of oxygen rich gas, meanwhile, air obtains after nitrogen oxygen separation membrane preliminary purification
Nitrogen-rich gas and oxygen rich gas can also reduce in the oxygen uptake molecular sieve in Oxygen Adsorption tower and nitrogen adsorption tower
Inhale nitrogen molecular sieve and treat the adsorbance of adsorbed gas, extend oxygen uptake molecular sieve and inhale the service life of nitrogen molecular sieve,
Reduce energy consumption；
3) electric controller real-time monitoring device duty, is automatically adjusted air pressure the timely automated switching of energy
Oxygen Adsorption unit and the duty of nitrogen adsorption unit, it is ensured that the long-time stable work of device.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Description of symbols in figure:
Electromagnetic valve, 6 pressures before 1 air compressor machine, 2 condensers, 3 check valves, 4 surge tanks, 5 Pressure gauges
Power table, 7 except water filter, 8 nitrogen oxygen separation membranes, 9 Oxygen Adsorption tower electromagnetic valves, 10 Oxygen Adsorption towers,
11 nitrogen gas purity analysers, 12 nitrogen dust removal filters, 13 nitrogen adsorption tower electromagnetic valves, 14 nitrogen are inhaled
Attached tower, 15 oxygen purity analysers, 16 oxygen dust removal filters.
Detailed description of the invention
With specific embodiment, this utility model is described in detail below in conjunction with the accompanying drawings.The present embodiment is new with this practicality
Implement premised on type technical scheme, give detailed embodiment and concrete operating process, but this practicality
Novel protection domain is not limited to following embodiment.
Embodiment 1:
As it is shown in figure 1, a kind of device preparing high-purity nitrogen continuously, this device include air pretreatment system,
The nitrogen oxygen separation membrane 8 that is connected with air pretreatment system, respectively with the first outlet of nitrogen oxygen separation membrane 8, second go out
Mouthful be connected nitrogen gas generating system and oxygen generation system, be electrically connected with air pretreatment system, nitrogen gas generating system and oxygen generation system respectively
The electric controller connect, under the regulation and control of electric controller, air is successively through air pretreatment system and nitrogen oxygen separating
Being separated into nitrogen-rich gas and oxygen rich gas after film 8, nitrogen-rich gas prepares high-purity nitrogen after nitrogen gas generating system processes
Gas, oxygen rich gas prepares oxygen after oxygen generation system processes, it is achieved prepare high-purity nitrogen co-production oxygen continuously
Purpose.
Wherein, air pretreatment system includes being sequentially connected air compressor machine 1, condenser 2, surge tank 4, pressure
Electromagnetic valve 5 and except water filter 7 before table, should be connected with the import of nitrogen oxygen separation membrane 8 except water filter 7, press
Before power table, electromagnetic valve 5 electrically connects with electric controller.It is provided with between condenser 2 and surge tank 4 and prevents surge tank 4
The check valve 3 of interior air blow back.Electromagnetic valve 5 and except being provided with and electric controller between water filter 7 before Pressure gauge
The Pressure gauge 6 of electrical connection.
Nitrogen gas generating system includes the Oxygen Adsorption list being connected in parallel and being connected with the first outlet of nitrogen oxygen separation membrane 8 a pair
Unit and the nitrogen gas purity analyser 11 that is connected with Oxygen Adsorption unit successively and nitrogen dust removal filter 12, oxygen
Absorbing unit and nitrogen gas purity analyser 11 electrically connect with electric controller respectively.Wherein, Oxygen Adsorption unit bag
Include Oxygen Adsorption tower 10 and be arranged on the oxygen between Oxygen Adsorption tower 10 and the first outlet of nitrogen oxygen separation membrane 8
Adsorption tower electromagnetic valve 9, this Oxygen Adsorption tower electromagnetic valve 9 electrically connects with electric controller.In Oxygen Adsorption tower 10
Being filled with oxygen uptake molecular sieve, this oxygen uptake molecular sieve is carbon molecular sieve.
Oxygen generation system includes the nitrogen adsorption list being connected in parallel and being connected with the second outlet of nitrogen oxygen separation membrane 8 a pair
Unit and the oxygen purity analyser 15 that is connected with nitrogen adsorption unit successively and oxygen dust removal filter 16, nitrogen
Absorbing unit and oxygen purity analyser 15 electrically connect with electric controller respectively.Wherein, nitrogen adsorption unit bag
Include nitrogen adsorption tower 14 and be arranged on the nitrogen between nitrogen adsorption tower 14 and the second outlet of nitrogen oxygen separation membrane 8
Adsorption tower electromagnetic valve 13, this nitrogen adsorption tower electromagnetic valve 13 electrically connects with electric controller.Nitrogen adsorption tower 14
Inside being filled with suction nitrogen molecular sieve, this suction nitrogen molecular sieve is 5A molecular sieve.
When reality is applied, air is after air compressor machine 1 compresses and cooled by condenser 2, by check valve 3
Flowing into surge tank 4, the air in surge tank 4 regulates to predetermined pressure through electromagnetic valve before Pressure gauge 5, and inflow removes
Removing moisture in water filter 7, being separated into nitrogen gas purity afterwards in nitrogen oxygen separation membrane 8 is about 95%
Nitrogen-rich gas and oxygen purity are the oxygen rich gas of 30-40%.Wherein, the trace oxygen in nitrogen-rich gas is at oxygen
Being adsorbed by carbon molecular sieve in adsorption tower 10 and remove, dust in nitrogen-rich gas or particulate matter are at nitrogen dust removal and filtration
Device 12 is removed, can be prepared by high-purity nitrogen；Nitrogen in oxygen rich gas is quilt in nitrogen adsorption tower 14
5A molecular sieve adsorption and remove, dust or particulate matter in oxygen rich gas are removed in oxygen dust removal filter 16
Go, can be prepared by oxygen.
In practical work process, electromagnetic valve 5 and except between water filter 7 before Pressure gauge 6 monitoring pressure in real time table
The pressure of air in pipeline, and feed back to electric controller in time, when the appearance of abnormal pressure of air, electric-controlled
Device processed is by opening degree the stablizing with maintenance air pressure of electromagnetic valve 5 before regulation Pressure gauge；Two Oxygen Adsorption lists
Unit's alternation, nitrogen gas purity analyser 11 monitors the purity of nitrogen in real time, and feeds back to electric controller in time,
When the nitrogen gas purity that nitrogen gas purity analyser 11 records is gradually lowered, show the Oxygen Adsorption unit worked
In carbon molecular sieve move closer to saturated, electric controller will pass through circuit close working Oxygen Adsorption tower electricity
Magnet valve 9, and open another Oxygen Adsorption tower electromagnetic valve 9 simultaneously, make the Oxygen Adsorption tower 10 in this parallel branch
Start working, it is ensured that nitrogen process processed is carried out continuously, the most just can be by standby after the most saturated carbon molecular sieve regeneration；Two
Individual nitrogen adsorption units alternately works, and oxygen purity analyser 15 is monitored the purity of oxygen in real time, and fed back in time
To electric controller, when the oxygen purity that oxygen purity analyser 15 records is gradually lowered, show to work
Nitrogen adsorption unit in 5A molecular sieve move closer to saturated, electric controller will pass through circuit close just in work
The nitrogen adsorption tower electromagnetic valve 13 made, and open another nitrogen adsorption tower electromagnetic valve 13 simultaneously, make this parallel connection
Nitrogen adsorption tower 14 on road is started working, it is ensured that oxygen preparation is carried out continuously, the most just can be by the most saturated 5A
After regenerating molecular sieve standby.
Embodiment 2:
In the present embodiment, being filled with suction nitrogen molecular sieve in nitrogen adsorption tower 14, this suction nitrogen molecular sieve is 13A molecule
Sieve.Remaining is with embodiment 1.
The above-mentioned description to embodiment is to be understood that for ease of those skilled in the art and use reality
With novel.These embodiments obviously easily can be made various amendment, and handle by person skilled in the art
General Principle described herein is applied in other embodiments without through performing creative labour.Therefore, this practicality
The novel above-described embodiment that is not limited to, those skilled in the art are according to announcement of the present utility model, new without departing from this practicality
Improvement and amendment that type category is made all should be within protection domains of the present utility model.
Claims (10)
1. the device preparing high-purity nitrogen continuously, it is characterised in that this device includes air pretreatment system
System, the nitrogen oxygen separation membrane (8) being connected with air pretreatment system, respectively first going out with nitrogen oxygen separation membrane (8)
Mouthful, second outlet be connected nitrogen gas generating system and oxygen generation system, respectively with air pretreatment system, nitrogen gas generating system and system
The electric controller of oxygen system electrical connection, under the regulation and control of electric controller, air is successively through air pretreatment system
And it being separated into nitrogen-rich gas and oxygen rich gas after nitrogen oxygen separation membrane (8), nitrogen-rich gas is after nitrogen gas generating system processes
Preparing high-purity nitrogen, oxygen rich gas prepares oxygen after oxygen generation system processes, it is achieved prepare high-purity nitrogen continuously
The purpose of co-production oxygen.
A kind of device preparing high-purity nitrogen continuously the most according to claim 1, it is characterised in that institute
Air compressor machine (1) that the air pretreatment system stated includes being sequentially connected, condenser (2), surge tank (4),
Electromagnetic valve (5) and except water filter (7) before Pressure gauge, should be except water filter (7) and nitrogen oxygen separation membrane (8)
Import be connected, before described Pressure gauge, electromagnetic valve (5) electrically connects with electric controller.
A kind of device preparing high-purity nitrogen continuously the most according to claim 2, it is characterised in that institute
It is provided with, between condenser (2) and the surge tank (4) stated, the check valve (3) preventing surge tank (4) interior air blow back.
A kind of device preparing high-purity nitrogen continuously the most according to claim 2, it is characterised in that institute
Before the Pressure gauge stated electromagnetic valve (5) with except being provided with, between water filter (7), the pressure electrically connected with electric controller
Table (6).
A kind of device preparing high-purity nitrogen continuously the most according to claim 1, it is characterised in that institute
The nitrogen gas generating system stated includes the Oxygen Adsorption being connected in parallel and being connected with the first outlet of nitrogen oxygen separation membrane (8) a pair
Unit and the nitrogen gas purity analyser (11) being connected with Oxygen Adsorption unit successively and nitrogen dust removal filter (12),
Described Oxygen Adsorption unit and nitrogen gas purity analyser (11) electrically connect with electric controller respectively.
A kind of device preparing high-purity nitrogen continuously the most according to claim 5, it is characterised in that institute
The Oxygen Adsorption unit stated includes Oxygen Adsorption tower (10) and is arranged on Oxygen Adsorption tower (10) and nitrogen oxygen separating
Film (8) first outlet between Oxygen Adsorption tower electromagnetic valve (9), this Oxygen Adsorption tower electromagnetic valve (9) with
Electric controller electrically connects.
A kind of device preparing high-purity nitrogen continuously the most according to claim 6, it is characterised in that institute
Being filled with oxygen uptake molecular sieve in the Oxygen Adsorption tower (10) stated, this oxygen uptake molecular sieve is carbon molecular sieve.
A kind of device preparing high-purity nitrogen continuously the most according to claim 1, it is characterised in that institute
The oxygen generation system stated includes the nitrogen adsorption being connected in parallel and being connected with the second outlet of nitrogen oxygen separation membrane (8) a pair
Unit and the oxygen purity analyser (15) being connected with nitrogen adsorption unit successively and oxygen dust removal filter (16),
Described nitrogen adsorption unit and oxygen purity analyser (15) electrically connect with electric controller respectively.
A kind of device preparing high-purity nitrogen continuously the most according to claim 8, it is characterised in that institute
The nitrogen adsorption unit stated includes nitrogen adsorption tower (14) and is arranged on nitrogen adsorption tower (14) and nitrogen oxygen separating
Nitrogen adsorption tower electromagnetic valve (13) between second outlet of film (8), this nitrogen adsorption tower electromagnetic valve (13)
Electrically connect with electric controller.
A kind of device preparing high-purity nitrogen continuously the most according to claim 9, it is characterised in that institute
Being filled with suction nitrogen molecular sieve in the nitrogen adsorption tower (14) stated, this suction nitrogen molecular sieve includes 5A molecular sieve or 13X
One in molecular sieve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620459714.3U CN205773348U (en) | 2016-05-19 | 2016-05-19 | A kind of device preparing high-purity nitrogen continuously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620459714.3U CN205773348U (en) | 2016-05-19 | 2016-05-19 | A kind of device preparing high-purity nitrogen continuously |
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| CN205773348U true CN205773348U (en) | 2016-12-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399723A (en) * | 2016-05-19 | 2017-11-28 | 拜默实验设备（上海）股份有限公司 | A kind of continuous device for preparing high-purity nitrogen |
-
2016
- 2016-05-19 CN CN201620459714.3U patent/CN205773348U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107399723A (en) * | 2016-05-19 | 2017-11-28 | 拜默实验设备（上海）股份有限公司 | A kind of continuous device for preparing high-purity nitrogen |
| CN107399723B (en) * | 2016-05-19 | 2023-06-13 | 拜默实验设备（上海）股份有限公司 | Device for continuously preparing high-purity nitrogen |
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