CN204588704U - Intelligent nitrogen gas generator - Google Patents
Intelligent nitrogen gas generator Download PDFInfo
- Publication number
- CN204588704U CN204588704U CN201520263778.1U CN201520263778U CN204588704U CN 204588704 U CN204588704 U CN 204588704U CN 201520263778 U CN201520263778 U CN 201520263778U CN 204588704 U CN204588704 U CN 204588704U
- Authority
- CN
- China
- Prior art keywords
- nitrogen gas
- valve
- nitrogen
- instrument
- switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses intelligent nitrogen gas generator, comprise aviation separatory membrane, nitrogen gas purity on-line monitoring system and blow-off valve Controlling System, aviation separatory membrane is hollow-fibre membrane, there is the microporous pipe of identical internal-and external diameter, nitrogen gas purity on-line monitoring system comprises pressure regulator valve, under meter and oxygen divide instrument, blow-off valve Controlling System comprises two switch-valves and a flow control valve, instrument real time on-line monitoring nitrogen gas purity is divided by oxygen, described two switch-valves one control nitrogen stream, another switch-valve by nitrogen discharge in air, flow control valve is connected to nitrogen discharge outlet.This device can real time on-line monitoring nitrogen gas purity, and can report to the police by automatic-discharging as nitrogen gas purity does not reach requirement, realize intellectualized operation, only need start shooting just can long-time unattended feeding matter combined instrument air feed.This apparatus design is succinct, and highly versatile, can be used for the LC-MS instrument of all commercially available brands on market, its compact structure noiselessness, can be placed on LC-MS instrument side and use.
Description
Technical field
The utility model relates to a kind of nitrogen gas generator device, particularly the intelligent nitrogen gas generator in a kind of laboratory.
Background technology
Along with food safety affair takes place frequently in recent years, in food safety detection, LC-MS instrument detection method is required more and more, but need a large amount of nitrogen in LC-MS instrument equipment use, most liquid nitrogen container that uses provided in the past, there are some problems as sample can not be made continuously due to the restriction of liquid nitrogen container volume in this, security can not ensure, also can produce certain waste, the intelligent nitrogen gas generator in laboratory is exactly good substitute, its cost is low, can use continuously for a long time, can support the use with the model of commercially available Ye Zhi manufacturer.
Summary of the invention
Technical problem to be solved in the utility model is, provides one can real time on-line monitoring nitrogen gas purity, can report to the police by automatic-discharging, realize the intelligent nitrogen gas generator of intellectualized operation as nitrogen gas purity does not reach requirement.
In order to solve the problem, the utility model provides intelligent nitrogen gas generator, it is characterized in that, comprise aviation separatory membrane, nitrogen gas purity on-line monitoring system and blow-off valve Controlling System, described aviation separatory membrane is hollow-fibre membrane, there is the microporous pipe of identical internal-and external diameter, described nitrogen gas purity on-line monitoring system comprises pressure regulator valve, under meter and oxygen divide instrument, described blow-off valve Controlling System comprises two switch-valves and a flow control valve, instrument real time on-line monitoring nitrogen gas purity is divided by oxygen, described two switch-valves one control nitrogen stream, another switch-valve by nitrogen discharge in air, flow control valve is connected to nitrogen discharge outlet.
As a preferred version, described nitrogen gas purity on-line monitoring system comprises a programmable alarm point and a group alarm output switch parameter, and its guard signal exports and connects blow-off valve Controlling System.
As a preferred version, described intelligent nitrogen gas generator also comprises a manual switch valve and and inserts four-way connection soon.
As a preferred version, described oxygen divides instrument to adopt ionic current oxygen sensor to be measuring unit, through MPU to signal processing, provides nitrogen concentration value to show after utilizing oxygen concn value to extrapolate nitrogen concentration value.
As a preferred version, described switch-valve is electromagnetic switch valve.
As a preferred version, described flow control valve is needle type valve.
The utility model has the advantage of; this device adopts aviation separatory membrane technology nitrogen; be configured with nitrogen gas purity on-line monitoring system; can real time on-line monitoring nitrogen gas purity; can report to the police by automatic-discharging as nitrogen gas purity does not reach requirement; protect follow-up LC-MS instrument, realize intellectualized operation, only need start shooting just can long-time unattended feeding matter combined instrument air feed.In addition, this apparatus design is succinct, and highly versatile, can be used for the LC-MS instrument of all commercially available brands on market, its compact structure noiselessness, can be placed on LC-MS instrument side and use.
Accompanying drawing explanation
Fig. 1 is the structure iron of the intelligent nitrogen gas generator of the utility model.
Fig. 2 is the circuit controling drawing of the intelligent nitrogen gas generator of the utility model.
Label in diagram is:
1---aviation separatory membrane, 2---switch-valve, 3---oxygen divides instrument, and 4---switch-valve, 5---flow control valve, 6---manual switch valve, 7---insert four-way connection soon, 8---pressure regulator valve, 9---under meter;
1 '---switch-valve 2,2 '---switch-valve 4,3 '---normally closed contact, 4 '---common junction, 5 '---normal opened contact.
Embodiment
Elaborate to the utility model below in conjunction with accompanying drawing, the purposes of embodiment is only to explain the present invention and non-limiting technical scheme.
Embodiment 1
As depicted in figs. 1 and 2, intelligent nitrogen gas generator comprises aviation separatory membrane 1, nitrogen gas purity on-line monitoring system and blow-off valve Controlling System, described aviation separatory membrane 1 is hollow-fibre membrane, there is the microporous pipe of identical internal-and external diameter, described nitrogen gas purity on-line monitoring system comprises pressure regulator valve 8, under meter 9 and oxygen divide instrument 3, described blow-off valve Controlling System comprises two switch-valves 2 and 4 and a flow control valve 5, instrument 3 real time on-line monitoring nitrogen gas purity is divided by oxygen, described two switch-valves one control nitrogen stream, another switch-valve by nitrogen discharge in air, flow control valve 5 is connected to nitrogen discharge outlet.
Nitrogen gas purity on-line monitoring system also comprises a programmable alarm point and a group alarm output switch parameter, and its guard signal exports and connects blow-off valve Controlling System.
Intelligent nitrogen gas generator also comprises a manual switch valve 6 and and inserts four-way connection 7 soon.
Oxygen divides instrument 3 to adopt ionic current oxygen sensor to be measuring unit, through MPU to signal processing, provides nitrogen concentration value to show after utilizing oxygen concn value to extrapolate nitrogen concentration value.
Switch-valve 2 and 4 is preferably electromagnetic switch valve, and flow control valve 5 is preferably needle type valve.
During use, compression drying air is imported aviation separatory membrane 1, pressurized air requires: (1), pressure range 7 ~ 10bar, and (2), dew-point temperature are less than 5 DEG C, (3), not containing the particle of particle > 0,01 μm, (4), not oil-containing.Pressurized air removes oxygen in air through aviation separatory membrane 1, obtain the nitrogen of 99% purity, aviation separatory membrane 1 is made up of the meticulous arrangement in an orderly manner of millions of polymeric hollow fibers, the difference of these fiber utilization nitrogen and oxygen permeability is by air separation, oxygen in air is a kind of fast gas, rapid osmotic can cross membrane fiber thus fallen by desorption, nitrogen then obtains boundling finished product nitrogen through its tubular fibre micropore.Finished product nitrogen is switch-valve 6 manually, enter into fast slotting four-way connection 7, be divided into three gas circuits, one road is to pressure regulator valve 8, regulate nitrogen pressure to 86 ~ 106KPa, the nitrogen regulated by pressure imports under meter 9, and adjust flux meter 9 nitrogen flow rate is 400 ~ 600ml/min, the nitrogen regulated is connected to oxygen and divides instrument 3, divide instrument 3 real time on-line monitoring nitrogen gas purity by oxygen.
One road nitrogen is connected to electromagnetic switch valve 2, this electromagnetic switch valve 2 controls supply lead one tunnel and receives the zero line side that oxygen divides instrument 3, another road is connected to the normally closed contact 3 ' that oxygen divides instrument 3 to report to the police output terminal, it is connect live wire that oxygen divide instrument 3 to report to the police to export common junction 4 ', when oxygen divide instrument 3 monitor oxygen purity be less than below 3% time, explanation nitrogen gas purity meets the demands, namely in safe handling scope, at this moment oxygen divides instrument 3 to keep nitrogen unimpeded to electromagnetic switch valve 2 power supply, stably feeding matter combined instrument air feed, oxygen divides the power requirement of instrument 3 and electromagnetic switch valve 2 to be 220V.AC, 50/60Hz, or 24V.DC.Fast last road nitrogen of four-way connection 7 of inserting is connected to emptying electromagnetic switch valve 4, electromagnetic switch valve 4 connection traffic variable valve 5, flow control valve 5 is connected to air, electromagnetic switch valve 4 supply lead connects a road and is connected to zero line, one road is connected to oxygen and divides instrument 3 to report to the police output contact normal opened contact 5 ', when oxygen divide instrument 3 monitor oxygen purity be greater than more than 3% time, oxygen divides instrument 3 to be energized to electromagnetic switch valve 4, this electromagnetic switch valve 4 opens emptying, the electromagnetic switch valve 2 that nitrogen uses simultaneously closes not feeding matter combined instrument air feed, protection LC-MS instrument, the rate of discharge that flow control valve 5 controls electromagnetic switch valve 4 is less than 10L/min.
This apparatus design is succinct, and highly versatile, can be used for the LC-MS instrument of all commercially available brands on market, its compact structure noiselessness, can be placed on LC-MS instrument side and use.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. intelligent nitrogen gas generator, it is characterized in that, comprise aviation separatory membrane, nitrogen gas purity on-line monitoring system and blow-off valve Controlling System, described aviation separatory membrane is hollow-fibre membrane, there is the microporous pipe of identical internal-and external diameter, described nitrogen gas purity on-line monitoring system comprises pressure regulator valve, under meter and oxygen divide instrument, described blow-off valve Controlling System comprises two switch-valves and a flow control valve, instrument real time on-line monitoring nitrogen gas purity is divided by oxygen, described two switch-valves one control nitrogen stream, another switch-valve by nitrogen discharge in air, flow control valve is connected to nitrogen discharge outlet.
2. intelligent nitrogen gas generator according to claim 1, is characterized in that, described nitrogen gas purity on-line monitoring system comprises a programmable alarm point and a group alarm output switch parameter, and its guard signal exports and connects blow-off valve Controlling System.
3. intelligent nitrogen gas generator according to claim 1, is characterized in that, described intelligent nitrogen gas generator also comprises a manual switch valve and and inserts four-way connection soon.
4. intelligent nitrogen gas generator according to claim 1, is characterized in that, described oxygen divides instrument to adopt ionic current oxygen sensor to be measuring unit, through MPU to signal processing, provides nitrogen concentration value to show after utilizing oxygen concn value to extrapolate nitrogen concentration value.
5. intelligent nitrogen gas generator according to claim 1, is characterized in that, described switch-valve is electromagnetic switch valve.
6. intelligent nitrogen gas generator according to claim 1, is characterized in that, described flow control valve is needle type valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263778.1U CN204588704U (en) | 2015-04-28 | 2015-04-28 | Intelligent nitrogen gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263778.1U CN204588704U (en) | 2015-04-28 | 2015-04-28 | Intelligent nitrogen gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204588704U true CN204588704U (en) | 2015-08-26 |
Family
ID=53924880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263778.1U Active CN204588704U (en) | 2015-04-28 | 2015-04-28 | Intelligent nitrogen gas generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204588704U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018695A (en) * | 2016-06-22 | 2016-10-12 | 中国人民解放军95989部队 | High-pressure nitrogen contamination warning device |
| CN110078032A (en) * | 2019-05-23 | 2019-08-02 | 昆山伊普乐净化科技有限公司 | Formula nitrogen separating equipment for purification can be filtered with magnetic film |
-
2015
- 2015-04-28 CN CN201520263778.1U patent/CN204588704U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106018695A (en) * | 2016-06-22 | 2016-10-12 | 中国人民解放军95989部队 | High-pressure nitrogen contamination warning device |
| CN110078032A (en) * | 2019-05-23 | 2019-08-02 | 昆山伊普乐净化科技有限公司 | Formula nitrogen separating equipment for purification can be filtered with magnetic film |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204588704U (en) | Intelligent nitrogen gas generator | |
| CN202092899U (en) | Field gas sampling and purifying device | |
| CN103472156B (en) | System for sampling and component analysis of raw natural gas | |
| CN204010924U (en) | A kind of Novel oil-immersed transformer | |
| CN110794266A (en) | Degradation testing system and method for transformer oil | |
| CN204204161U (en) | A kind of leakage gas-detecting device | |
| CN204490835U (en) | A kind of skid Sweet natural gas TEG dehydration device | |
| CN203286284U (en) | Automatic pressure regulation device for steam | |
| CN203525399U (en) | Automatic control filter for production of insulating varnish | |
| CN206996218U (en) | A kind of novel air air film drying system | |
| CN204815989U (en) | Filter device with interior profit impurity of sampling enclosed bus air supply | |
| CN104174131A (en) | Self-extinguishing device for cable | |
| CN206039289U (en) | Durable test bench for service life of temperature controller | |
| CN206868457U (en) | A kind of nitrogen protective redundancy device of centrifuge | |
| CN204034096U (en) | A kind of cable automatic fire extinguisher | |
| CN104368813A (en) | Hydrogen flow regulating device for tungsten alloy material vertical melting sintering | |
| CN104696702A (en) | Safety gas supply device for chemical equipment | |
| CN101979988B (en) | Analysis evaporator | |
| CN104258706A (en) | Chemical treatment system for thermal power plant | |
| CN204448453U (en) | Glue spreader liquid feed device | |
| CN204154535U (en) | For the solution sampling system of ammonium nitrate tank car | |
| CN204086229U (en) | A kind of transformer oil chromatographic on-line monitoring special-purpose air generator | |
| CN202909545U (en) | Cooling water automatic feeding and supercharging device of deionized water cooling system | |
| CN204676633U (en) | One automatically tests water supply installation | |
| CN201811878U (en) | Analysis evaporator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |