CN110462384A - For homogenizing the mixed equipment of gas - Google Patents
For homogenizing the mixed equipment of gas Download PDFInfo
- Publication number
- CN110462384A CN110462384A CN201880019412.6A CN201880019412A CN110462384A CN 110462384 A CN110462384 A CN 110462384A CN 201880019412 A CN201880019412 A CN 201880019412A CN 110462384 A CN110462384 A CN 110462384A
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- Prior art keywords
- catheter
- fluids
- equipment
- fluid
- outer catheter
- 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.)
- Pending
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- 239000012530 fluid Substances 0.000 claims abstract description 59
- 238000006243 chemical reaction Methods 0.000 claims abstract description 58
- 238000002156 mixing Methods 0.000 claims abstract description 12
- 238000000265 homogenisation Methods 0.000 claims abstract description 11
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 52
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000010935 stainless steel Substances 0.000 claims 1
- 239000000203 mixture Substances 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 4
- 238000010791 quenching Methods 0.000 abstract description 4
- 230000000171 quenching effect Effects 0.000 abstract description 4
- 238000011089 mechanical engineering Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 47
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 9
- 238000005259 measurement Methods 0.000 description 5
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 230000005283 ground state Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 239000008240 homogeneous mixture Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
- G01N21/76—Chemiluminescence; Bioluminescence
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/38—Diluting, dispersing or mixing samples
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Abstract
This disclosure relates to mechanical engineering field.Particularly, this disclosure relates to which a kind of equipment being used together with chemiluminescence detector (CLD), is used to homogenize the mixing of gas, which includes outer catheter (102);Inner catheter (104) across the outer catheter (102);First passage (104) passes through the inner catheter (102) and limits, one of described two fluids are connected;The inner wall (102 ') of the outer catheter (102) is spaced apart to limit second channel (102A), for the second fluid in described two fluids to be connected with the outer wall (104 ') of the inner catheter (104);The outer catheter (102) limits bottom end (102B), and the inner catheter (104) limits the first outlet (104B) recessed relative to the bottom end (102B).Reaction zone (106) is limited in the recess between the first outlet (104B) and the bottom end (102B), for introducing described two fluids from the first passage (104A) and the second channel (102A) to homogenize.The technological progress of homogenization equipment of the invention is that it is conducive to the uniform mixing of gas, and mixture is allowed to advance at the center of CLD detector, to avoid photon loss caused by the optical quenching due to improperly mixing, in gas short-circuit flow and CLD.
Description
Technical field
This disclosure relates to gas mixer field.
Background technique
The phenomenon that chemiluminescence shines during being chemical reaction.The phenomenon is for certain chemical combination in test sample gas
Object.Chemiluminescence detector (CLD) is dense using the nitric oxide (NO) in chemiluminescence principle detection and measurement sample gas
The device of degree.CLD has reaction chamber, allows nitric oxide NO and ozone (O in sample gas3) react to be formed to be in and swashed
Send out the nitrogen dioxide (NO of state2*).Work as NO2When * returning to ground state, emit photon.The photon of generation is detected by photon detector, is referred to
Show that there are NO in sample gas.
Traditional CLD has the gas access for ozone and sample gas for separating or separating.Sample gas and ozone
The chemiluminescence reaction of generation light occurs in the reaction chamber.If the mixing of ozone and sample gas is uneven, cause NO to
NO2Conversion it is less, so as to cause light loss.In addition, if the stroke of mixture is not located at the center of detector and very
It is short, then it will lead to short circuit and the optical quenching of flowing, also result in light loss.Any light loss is all undesirable, because this
Photon detector is set to indicate the incorrect concentration dependent value of NO with sample gas.Moreover, if mixing is not uniform
Placed in the middle, then the measuring signal from photon detector will not be linear, and will highly depend on the flow of flow of ozone.
Therefore, to overcome the above disadvantages, need it is a kind of for obtaining the mixed uniformly equipment of sample gas and ozone,
Its chemiluminescence reaction is set to provide the correct reading of NO concentration in sample gas.
Summary of the invention
The some purposes for the disclosure that at least one embodiment meets are as follows.
The purpose of the disclosure is to improve one or more problems of the prior art or at least provide useful alternative solution.
The object of the present invention is to provide a kind of the mixed uniformly of gas for advancing at the center of photon detector to set
Standby, which will be used together with chemiluminescence detector.
It is a further object to provide a kind of equipment, be conducive to the uniform mixing of the gas in CLD and placed in the middle
Flowing, to avoid photon loss caused by the optical quenching due to improperly mixing, in the short circuit and CLD of gas flowing.
According to being described below, the other objects and advantages of the disclosure be will become apparent from, and be not intended to be limited to the disclosure
Range.
The disclosure contemplates a kind of equipment for homogenizing two kinds of fluids.The equipment include outer catheter and pass through outer catheter
Inner catheter.First passage is limited across inner catheter, for passing through one of two kinds of fluids fluid.The inner wall of outer catheter with
The outer wall of inner catheter is spaced apart, to limit the second channel for passing through the second fluid in two kinds of fluids.Outer catheter limits
Bottom end, and inner catheter limits the first outlet being recessed relative to bottom end.It is limited in recess between bottom end and first outlet
Reaction zone, for introducing two kinds of fluids from first passage and second channel, to be homogenized.
In one embodiment, outer catheter and inner catheter are coaxial.In another embodiment, first passage and second
Channel is coaxial.
In another embodiment, equipment includes discharge port, for fluid to be discharged from reaction zone after homogenization.
In another embodiment, inner catheter and outer catheter are stainless steels, and the inner wall of outer catheter and inner catheter
Outer wall is polishing.
In another embodiment, first outlet is located near photon detector, which passes through for detecting
The reaction containing nitric oxide production sample fluid and the ozone across second channel across first passage generates in the reaction region
Photon.
The disclosure is contemplated that a kind of method for homogenizing two kinds of fluids.This method is related to passing through two kinds of fluid introducings
The reaction zone for being recessed the outlet of inner catheter relative to outer catheter and being formed, one of two kinds of fluids are introduced by the inner catheter
Reaction zone, inner catheter pass through outer catheter, the second fluid in two kinds of fluids by the inner wall of the outer wall of inner catheter and outer catheter it
Between annular space be introduced into reaction zone.
Detailed description of the invention
The homogenization equipment of the disclosure will be described now by means of unrestricted attached drawing, in which:
Figure 1A shows the signal of the homogenization equipment according to an embodiment of the present disclosure being used together with photon detector
Figure;
Figure 1B shows the schematic diagram of reactor unit used in homogenization equipment according to an embodiment of the present disclosure;
Fig. 2 shows the variations for describing the sensor output for corresponding to the chemiluminescence detector of ozone flow of variation
Curve graph;And
Fig. 3 A and Fig. 3 B show the photon detector for describing the various mass flows for sample gas and air/ozone
The curve graph of the variation of output.
Specific embodiment
A kind of application of chemiluminescence detector (CLD) is the NO concentration measured in gas.CLD has reaction chamber, permits
Perhaps the nitric oxide NO in sample gas and ozone (O3) react to form the nitrogen dioxide (NO for being in excitation state2*).Work as NO2*
When returning to ground state, it can emit photon.These photons generated are detected by photon detector, which provides for sample
The instruction of NO content present in product gas.
Traditional CLD has the separated gas access for ozone and sample gas.Gas passes through the gas for separating/separating
Body entrance enters reaction chamber, and before entering in the reaction chamber, they are not pre-mixed.Sample gas and ozone are anti-in the reaction chamber
It answers, to generate the nitrogen dioxide (NO for being in excitation state2*).Work as NO2When * returning to ground state, it can emit photon.This generation light
Reaction it is very fast.If the mixing of ozone and sample gas is uneven, it will lead to incomplete chemiluminescence reaction, lead
Cause NO to NO2Conversion it is less, so as to cause light loss.In addition, if the stroke of mixture is not located at the center of detector,
It then will lead to flowing short circuit and optical quenching, also result in light loss.Any light loss be all it is undesirable because photoelectricity is caused to be examined
It surveys device and provides the error indication for NO content present in sample gas, also, the NO signal of the measurement from CLD will not be
Linear.In order to obtain linear output signal, NO and O3Reaction must have complete conversion ratio.
For this purpose, the disclosure contemplates a kind of homogenization equipment being used together with CLD, advantageously form in a detector
The homogeneous mixture of sample gas and ozone that the heart is advanced, and light is avoided by promoting chemiluminescence reaction substantially completely
Any photon acceptor of sub- detector loses.Using the opposite inlet at ozone inlet pipe, admixture of gas is always positioned at detection
The center of device, and it is unrelated with ozone flow.Therefore, CLD signal is unrelated with ozone flow, this is an advantage over the main excellent of traditional CLD
Point.
In the following, the homogenization with reference to Figure 1A and Figure 1B description for CLD 100A (hereinafter also referred to as photon detector) is set
Standby 100 (hereinafter also referred to as equipment 100).Equipment 100 according to an embodiment of the present disclosure for homogenizing two kinds of fluids is wrapped
Include outer catheter 102 and the inner catheter 104 across outer catheter 102.First passage 104A is limited across inner catheter 104, for being connected
One of two kinds of fluids fluid.The inner wall 102 ' of outer catheter 102 is spaced apart with the outer wall 104 ' of inner catheter 104, to limit
Two channel 102A, for the second fluid in the fluid to be connected.Outer catheter limits bottom end 102B, and inner catheter limits relatively
In the first outlet 104B that bottom end 102B is recessed.Reaction zone 106 is limited to recessed between bottom end 102B and first outlet 104B
In portion, homogenized for introducing two kinds of fluids from first passage 104A and second channel 102A.In one embodiment, outside
Conduit 102 and inner catheter 104 are coaxial.In another embodiment, first passage 104A and second channel 102A is coaxial
's.In another embodiment, inner catheter 104 and outer catheter 102 are stainless steels, also, the inner wall 102 ' of outer catheter 102 and interior
The outer wall 104 ' of conduit 104 is polished, to allow one of two kinds of gas smoothly to pass therethrough.
Equipment 100 includes at least one discharge port 108, for fluid to be discharged from reaction zone 106 after homogenization.More
Specifically, chemiluminescence reaction occurs in reaction zone 106 after the homogenization of two kinds of gas, wherein calculating the sample of NO content
Product gas is fed to reaction zone 106 via inner catheter 104, and ozone gas needed for chemiluminescence reaction is via outer catheter 102
Supply.After chemiluminescence reaction, the admixture of gas being present in reaction zone 106 is discharged via discharge port 108.One
In a embodiment, there are two discharge ports 108 for the tool of equipment 100, are configured to be orthogonal to the longitudinal axis of equipment 100.
In one embodiment, discharge port 108 configures at the position diametrically being limited on outer catheter, and
Longitudinal axis relative to equipment 100 is with 10 ° to 170 ° of angle tilt.In one embodiment, there are two the tools of outer catheter 102
Entrance 110 configures at position diametrically supravasal outside.In another embodiment, two entrances 110 relative to
The longitudinal axis of equipment 100 is with 10 ° to 170 ° of angle tilt.
In exemplary application, the bottom end 102B of equipment 100 is located near photon detector 200, and photon detector 200 is used
In the photon that detection is generated in reaction zone 106 by the reaction containing nitric oxide production sample fluid and ozone, sample fluid is
One in two kinds of fluids, first passage 104A is passed through, ozone is the second fluid in two kinds of fluids, passes through second channel
102A。
In one embodiment, outer catheter 102 limits second outlet 102C, helps ozone gas introducing reaction zone
106.The horizontal difference of first outlet 104B and second outlet 102C helps to form mixed zone 112 in outer catheter 102.Draw
The vorticla motion for entering the ozone gas in outer catheter 102 is conducive to sample gas from inner catheter 104 and ozone in mixed zone
Interior premixing.In one embodiment, the maximum distance between first outlet 104B and the level of second outlet 102C is
1.5mm, that is, the height of mixed zone 112 is 1.5mm.In one embodiment, between bottom end 102B and second outlet 102C most
Small distance is 5mm.In one embodiment, the distance between first outlet 104B and bottom end 102B and second outlet 102C and
The ratio of the distance between one outlet 104B is in the range of 2 to 4.
The disclosure also conceives a kind of method for homogenizing two kinds of fluids.The process is related to two kinds of fluid introducings passing through phase
The reaction zone 106 for being recessed the outlet 104B of inner catheter 104 for outer catheter 102 and being formed, one of two kinds of fluids pass through institute
It states inner catheter 104 to be introduced into reaction zone 106, inner catheter 104 passes through outer catheter 102.Second fluid in two kinds of fluids passes through interior
Annular space between the outer wall 104 ' of conduit 104 and the inner wall 102 ' of outer catheter 102 introduces reaction zone 106.Implement at one
In example, every kind of fluid in two kinds of fluids can be single fluid or fluid mixture.In another embodiment, every kind of fluid
By precharge before introducing first passage and second channel.
It in one embodiment, is 40 to 180ml/min by the range of the sample gas flow of inner catheter 104, also,
Range by the ozone flow for configuring at least one entrance 110 on outer catheter 102 is 400 to 1200ml/min.This is
In order to promote the chemiluminescence reaction between sample gas and ozone substantially completely.In addition, via two entrances 110 by equivalent
Ozone (it is the second fluid in two kinds of fluids) be supplied to reaction zone 106, to promote the mixture of sample gas and ozone
It advances at the center of reaction zone 106, to promote chemiluminescence reaction substantially completely and relative to the independence of ozone flow.
As previously mentioned, the chemiluminescence reaction substantially completely being centered about on photon detector component 202 prevents chemiluminescence
The loss of the photon generated during reaction.Therefore, the photon that the photon detector component 202 of photon detector 200 is received and detected
Quantity will not incur loss, and this loss occurrence is in the conventional inlet equipment of photon detector.Because of photon detector component 202
The quantity of the photon detected will not incur loss, and the equipment 100 of the disclosure helps to provide NO's present in sample gas
Substantially error-free value, and the up to NO of 10000ppm can be measured.
In one embodiment, reaction zone 106 has taper configurations, convenient for assembling equipment 100 in standard-sized light
On sub- detector 200, wherein the maximum gauge of the reaction zone 106 of operable bottom end and the maximum of photon detector 200 are straight
Diameter is identical.
Fig. 2 shows the curves for describing the sensor output for corresponding to the chemiluminescence detector of ozone flow of variation
Figure;As shown in Fig. 2, for the stabilization sample gas flow of 100ml/min and the NO of 5000ppm, ozone flow is from 1000ml/
Min changes to 200ml/min.However, the variation of ozone flow does not have the output of the photon detector of chemiluminescence detector
It influences, and output signal is linear.Photon detector lower than 400ml/min ozone flow under unstable signal be
Since the ozone concentration in reaction chamber is insufficient.This does not indicate that mixing is bad.
Fig. 3 A and Fig. 3 B show the photon detector output for the various mass flowrates of sample gas and ozone.Fig. 3 A
Original measurement structure is shown, Fig. 3 B shows analysis and summary.Other than the measurement result in Fig. 2, the measurement result is also
Show independence for ozone flow of the CLD signal under different sample flows.This shows the gas of ozone and sample gas
Body mixture is always positioned at the center of reaction zone 106, this is the significant improvement to conventional photonic detector.
Technical advantage: the above-described disclosure has several technological merits, including but not limited to realizes homogenization equipment,
Its:
It is used together with chemiluminescence detector;And
Facilitate the uniform mixing in the gas of the inlet CLD, to avoid due to the inlet CLD gas it is improper mixing and
Caused any photon loss, and it is unrelated with ozone flow.
The embodiments herein and its various features and advantageous thin are explained with reference to non-limiting embodiment in description herein
Section.The description to well-known parts and processes technology is omitted, in order to avoid unnecessarily obscure the embodiments herein.Used here as
Example be intended merely to facilitate and understand the mode of the embodiments herein of can practicing, and further enable those skilled in the art
Practice the embodiments herein.Therefore, these embodiments are not necessarily to be construed as limitation scope of embodiments herein.
The foregoing description of specific embodiment will fully disclose the general aspects of embodiment hereof, other people are led to
It crosses using current knowledge, is that various applications are easily modified and/or to be adapted to these specific in the case where not departing from universal
Embodiment, and therefore, the equivalent that should and be intended to be interpreted as these adaptations and modify in the disclosed embodiments contain
In justice and range.It should be understood that words or terms used herein are the purposes for description rather than limited.Therefore, although
The embodiments herein is described according to preferred embodiment, it will be recognized to those skilled in the art that can be as described herein
The embodiments herein is practiced by modifying in the spirit and scope of embodiment.
Throughout the specification, word " comprising " such as " contain " or the variant of "comprising" will be understood as imply include
The group of the element, integer or step or element group, multiple integers or step, but do not include excluding any other element, integer
Or the group of step or element, integer or step.
It is indicated using statement " at least " or "at least one" using one or more elements or ingredient or amount, because in this public affairs
It is can be used in the embodiment opened to realize one or more desired objects or result.
Any discussion to document, movement, material, device, article etc. being included in the description is only to be
The background of the disclosure is provided.Should not because of it before the priority date of the application from anywhere in exist, and be regarded as
Recognize that any or all these item constitutes the public affairs in a part either field relevant to the disclosure of prior art basis
Know common sense.
The numerical value referred to for various physical parameters, size or quantity is only approximation, and is conceived above/below distribution
It is fallen within the scope of the disclosure to the value of the numerical value of parameter, size or quantity, unless there is opposite statement in specification.
Although quite having emphasized the component and component part of preferred embodiment herein, but it is to be understood that do not departing from
In the case where the principle of the disclosure, many embodiments can be manufactured, and many changes can be carried out in a preferred embodiment.Root
According to this disclosure, these and other variations in the other embodiments of preferred embodiment and the disclosure are for this field
Technical staff will be apparent, thus it will be clearly understood that foregoing descriptive content is only interpreted as illustrative disclosure
Rather than it limits.
Claims (11)
1. a kind of equipment (100) for homogenizing two kinds of fluids, comprising:
A) outer catheter (102);
B) inner catheter (104) pass through the outer catheter (102);
C) first passage (104) pass through the inner catheter (102) and limit, for one of described two fluids to be connected;
D) inner wall (102 ') of the outer catheter (102) is spaced apart with the outer wall (104 ') of the inner catheter (104), to limit
Two channels (102A), for the second fluid in described two fluids to be connected;
E) outer catheter (102) limits bottom end (102B);
F) inner catheter (104) limits the first outlet (104B) recessed relative to the bottom end (102B);And
G) reaction zone (106) are limited in the recess between the first outlet (104B) and the bottom end (102B), are used
In introducing described two fluids from the first passage (104A) and the second channel (102A) to homogenize.
2. equipment (100) as described in claim 1, wherein the outer catheter (102) and the inner catheter (104) are coaxial
's.
3. equipment (100) as described in claim 1, wherein the first passage (104A) and the second channel (102A)
It is coaxial.
4. equipment (100) as described in claim 1, including discharge port (108) are used for after homogenization from the reaction
The fluid is discharged in area (106).
5. equipment (100) as described in claim 1, wherein the inner catheter (104) and the outer catheter (102) are stainless
Steel, and the outer wall (104 ') of the inner wall (102 ') of the outer catheter (102) and the inner catheter (104) is polished.
6. equipment (100) as described in claim 1, wherein the outer catheter (102) has two entrances (110), and this two
Entrance configures at the position diametrically on the outer catheter (102).
7. equipment (100) as claimed in claim 6, wherein the second fluid of equivalent is fed via described two entrances (110)
Give the reaction zone (106).
8. equipment (100) as described in claim 1, wherein it is attached that the bottom end (102B) is located in photon detector (200)
Closely, the photon detector is used to detect by containing nitric oxide production sample fluid and passing through the by first passage (104A)
The photon that the reaction of the ozone in two channels (102A) generates in the reaction zone (106), described two fluids are in the reaction
Reaction in area (106).
9. a kind of process for homogenizing two kinds of fluids, by introducing described two fluids by relative to outer catheter (102)
The outlet (104B) of inner catheter (104) is recessed in the reaction zone (106) of formation, one of described two fluids are guided to lead to
It crosses the inner catheter to enter in the reaction zone (106), outer catheter (102) passes through the inner catheter (104), described two fluids
In second fluid pass through between the outer wall (104 ') of the inner catheter (104) and the inner wall (102 ') of the outer catheter (102)
Annular space be fed in the reaction zone (106).
10. process as claimed in claim 9, wherein each in the fluid can be single fluid or fluid mixing
Object.
11. process as claimed in claim 9, wherein each in the fluid is introducing the first passage and second
By precharge before channel.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN201721012465 | 2017-04-06 | ||
IN201721012465 | 2017-04-06 | ||
PCT/EP2018/053297 WO2018184756A1 (en) | 2017-04-06 | 2018-02-09 | An apparatus for homogenized mixing of gases |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110462384A true CN110462384A (en) | 2019-11-15 |
Family
ID=61616944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201880019412.6A Pending CN110462384A (en) | 2017-04-06 | 2018-02-09 | For homogenizing the mixed equipment of gas |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3607306A1 (en) |
CN (1) | CN110462384A (en) |
WO (1) | WO2018184756A1 (en) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5239856A (en) * | 1988-11-21 | 1993-08-31 | L'air Liquide, Societe Anonyme Pour L'etude Et L'exploitation Des Procedes Georges Claude | Apparatus for producing standard gas mixtures |
FR2667397B1 (en) * | 1990-10-02 | 1992-10-30 | Air Liquide | METHOD AND DEVICE FOR PROVIDING GAS TO A VERY HIGH SENSITIVITY ANALYZER. |
JP3104383B2 (en) * | 1992-02-27 | 2000-10-30 | 株式会社島津製作所 | Chemiluminescence concentration measuring device |
US9192901B2 (en) * | 2010-05-25 | 2015-11-24 | Ucl Business Plc | Co-current mixer, apparatus, reactor and method for precipitating nanoparticles |
-
2018
- 2018-02-09 EP EP18709932.0A patent/EP3607306A1/en not_active Withdrawn
- 2018-02-09 WO PCT/EP2018/053297 patent/WO2018184756A1/en unknown
- 2018-02-09 CN CN201880019412.6A patent/CN110462384A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
WO2018184756A1 (en) | 2018-10-11 |
EP3607306A1 (en) | 2020-02-12 |
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