CN104807690B - A kind of SF6HF Standard Gases device for formulating and method in gas - Google Patents
A kind of SF6HF Standard Gases device for formulating and method in gas Download PDFInfo
- Publication number
- CN104807690B CN104807690B CN201510191780.7A CN201510191780A CN104807690B CN 104807690 B CN104807690 B CN 104807690B CN 201510191780 A CN201510191780 A CN 201510191780A CN 104807690 B CN104807690 B CN 104807690B
- Authority
- CN
- China
- Prior art keywords
- gas
- water bath
- formulating
- outlet pipe
- standard gases
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 239000002253 acid Substances 0.000 claims abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 4
- 238000002474 experimental method Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 229910018503 SF6 Inorganic materials 0.000 description 24
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 5
- 229960000909 sulfur hexafluoride Drugs 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010561 standard procedure Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of SF6HF Standard Gases device for formulating and method in gas, wherein, device for formulating includes：With the first water bath communicated with each other and the constant temperature water bath apparatus of the second water bath, heating module and temperature detecting module are provided with the first water bath；The top sealing of second water bath, is internally provided with sealedly being used for the inside groove for holding liquid HF acid, the front-end and back-end of inside groove are attached across the air inlet pipeline and outlet pipe of the second water bath, the outlet of outlet pipe and SF respectively6Gas acidity measurement apparatus is connected.Solve and use SF6Gas acidity detection means measures typical magnitude problem of transmission during acidity, can be to SF6Gas acidity detection means is directly calibrated, and makes its measurement data more accurate, with time-consuming short, effect it is good, it is easy to use the features such as, provide sound assurance for the safe operation of power equipment.
Description
Technical field
The present invention relates to a kind of SF6HF Standard Gases device for formulating and method in gas, belong to power system application technology neck
Domain.
Background technology
Sulfur hexafluoride gas has excellent insulation and arc quenching characteristic, is widely used in all kinds of high pressures, the electricity of super-pressure
In gas equipment.In order to ensure the safe operation of electrical equipment, it is necessary to control the content of all kinds of impurity compositions in sulfur hexafluoride gas,
The acid and acidic components that particularly there is severe corrosive to electrical equipment solid insulating material will be controlled strictly, wherein most
A kind of main caustic acid is exactly HF.Therefore, sulfur hexafluoride gas using preceding need carry out acidity detection, still, current SF6
The standard method of measurement of gas acidity can not be calibrated directly, lead to not judge detection data accuracy, the peace to power network
Full construction and production bring hidden danger, it would be highly desirable to improve.
The content of the invention
To solve the deficiencies in the prior art, it is an object of the invention to provide a kind of SF6HF Standard Gases prepare dress in gas
Put and method, SF can be directly connected to6Gas acidity measurement apparatus carries out calibration test to it, improves the accuracy of detection and reliable
Property.
In order to realize above-mentioned target, the present invention is adopted the following technical scheme that：
The present invention discloses a kind of SF first6HF Standard Gases device for formulating in gas, including：With first communicated with each other
The constant temperature water bath apparatus of water bath and the second water bath, wherein, heating module and temperature detecting module are provided with the first water bath；
The top sealing of second water bath, is internally provided with the inside groove for holding liquid HF acid, closure is provided with the top of inside groove,
Closure can be opened to add liquid HF acid, and the front-end and back-end of the closure are attached across the second water bath respectively
Air inlet pipeline and outlet pipe, the outlet of the outlet pipe and SF6Gas acidity measurement apparatus is connected.
Preferably, foregoing first water bath and the second water bath are provided with a connecting tube between nearest two side, even
Adapter is close to the top of constant temperature water bath apparatus, so that the first water bath and the connection of the second water bath.
Further, a circulating pump is connected between foregoing first water bath and the second water bath, to ensure the first water bath
Balanced as early as possible with the temperature of the second water bath.
Further, foregoing circulating pump is connected on the two side of the first water bath and the second water bath lie farthest away,
And close to bottom wall, so enable to the circulating effect of circulating pump optimal.
Specifically, aforementioned temperature detection module is RTD.
Preferably, a flow control valve is installed on foregoing air inlet pipeline.
As a further improvement on the present invention, it is saturating provided with one in the ullage of liquid HF acid in inner tank
Air film, to prevent liquid hydrofluoric acid from passing through.
In addition, the invention also discloses prepare SF using foregoing device for formulating6The method of HF Standard Gases in gas, bag
Include following steps：
S1, hold water in constant temperature water bath apparatus, start circulating pump, constant temperature water bath apparatus is added by heating module
Heat, and thermometric is carried out with temperature detecting module, stop heating when water temperature reaches setting value and carry out temperature control, setting value herein
For 40 ~ 80 DEG C, depending on required HF gas concentrations, temperature is higher, then the concentration of HF gases is higher；
S2, after after equalized temperature, the liquid HF acid in the inside groove of the second water bath can evaporate generation gas, now, will
Pure SF6Gas is passed through in inside groove from air inlet pipeline with constant flow velocity, then is discharged from outlet pipe, the SF of discharge6Gas has mark
The HF gases of quasi- concentration；
S3, the outlet of outlet pipe are directly connected to SF6Gas acidity measurement apparatus, calibration experiments are carried out to it.
In this compound method, by changing the water temperature in constant temperature water bath apparatus and being passed through SF6The flow velocity of gas, you can adjust
Save SF6The content of HF Standard Gases in gas, the gas discharged by alkali liquor absorption gas device for formulating, then titrated with acid solution, come
Carry out SF6HF standard gas concentrations quantifies in gas；.
The present invention is advantageous in that：The SF of the present invention6HF Standard Gases device for formulating and compound method in gas, are solved
Use SF6Gas acidity detection means measures typical magnitude problem of transmission during acidity, can be to SF6Gas acidity detection means
Directly calibrated, make its measurement data more accurate, with time-consuming short, effect it is good, it is easy to use the features such as, be power equipment
Safe operation provides sound assurance.
Brief description of the drawings
Fig. 1 is the SF of the present invention6The structural representation of a preferred embodiment of HF Standard Gases device for formulating in gas.
The implication of reference in figure：1st, the first water bath, the 2, second water bath, 3, heating module, 4, RTD, 5, enter
Air pipe, 6, outlet pipe, 7, inside groove, 8, flow control valve, 9, circulating pump, 10, ventilated membrane.
Embodiment
Make specific introduce to the present invention below in conjunction with the drawings and specific embodiments.
The SF of the present invention6HF Standard Gases device for formulating can be in pure SF in gas6The HF gas of standard content is prepared in gas
Body, so as to directly be calibrated to acidity content detection device.
The structure of the device includes the first water bath 1 and the second water bath 2 referring to Fig. 1, constant temperature water bath apparatus, and both are each other
Connection, can be realized by the connecting tube on both mutually close side walls and connected, so that balanced water temperature.In the first water bath 1
Interior to be provided with heating module 3 and temperature detecting module, temperature detecting module is preferably RTD 4；The top of second water bath 2 is close
Envelope, contains recirculated water, is being internally provided with sealedly being used to hold the inside groove 7 of liquid HF acid, to circulating water heating so that
Hydrofluoric acid evaporates.The sealing at the top of inside groove 7 can realize that hydrogen fluorine can be added into inside groove by opening closure by a closure
Acid solution body.
As shown in figure 1, the front-end and back-end of inside groove 7 connect air inlet pipeline 5 and outlet pipe 6, and the He of air inlet pipeline 5 respectively
Outlet pipe 6 both passes through the second water bath 2, pure SF6Gas is passed through in inside groove 7 from air inlet pipeline 5 with constant flow velocity, prepares mark
Discharged again from outlet pipe 6 after the HF gases of quasi- concentration, arrow show SF in Fig. 16The flow direction of gas, outlet pipe 6 goes out
Mouth and SF6Gas acidity measurement apparatus is connected, so as to realize that acidity is calibrated.Air inflow is controlled for convenience, in air inlet pipeline 5
One flow control valve 8 of upper installation is with flexible modulation SF6The flow of gas.
Further, for more balanced water temperature, one is connected between the first water bath 1 and the second water bath 2
Circulating pump 9, as shown in figure 1, circulating pump 9 is connected on the two side of the first water bath 1 and the lie farthest away of the second water bath 2, and
Close to bottom wall, so enable to the circulating effect of circulating pump 9 optimal.
As a further improvement on the present invention, the ullage of liquid HF acid is provided with a ventilated membrane 10 in inside groove 7,
Certainly, the height of ventilated membrane 10 is less than air inlet pipeline 5 and the position of outlet pipe 6, effectively to prevent liquid hydrofluoric acid
Into SF6In gas.
For a better understanding of the present invention, to preparing SF using foregoing device for formulating6The side of HF Standard Gases in gas
Method is introduced, and this method comprises the following steps：
S1, hold recirculated water in constant temperature water bath apparatus, start circulating pump 9, by heating module 3 to constant temperature water bath apparatus
Heated, and thermometric is carried out with temperature detecting module, stopped heating when water temperature reaches setting value and carry out temperature control, herein
Setting value be 40 ~ 80 DEG C, specifically can be according to required HF gas concentrations depending on, temperature is higher, then HF evaporation capacity is more；
S2, after after equalized temperature, the liquid HF acid in the inside groove 7 of the second water bath 2 can evaporate generation gas, now,
By pure SF6Gas is passed through in inside groove 7 from air inlet pipeline 5 with constant flow velocity, then is discharged from outlet pipe 6, the SF of discharge6Gas
HF gases with normal concentration；So-called " normal concentration ", refers to HF gas contents therein（Acidity）It is known, by changing
Become constant temperature water bath apparatus in water temperature and be passed through SF6The flow velocity of gas, can also adjust SF6The content of HF Standard Gases in gas, then
The gas discharged by alkali liquor absorption gas device for formulating, then titrated with acid solution, to carry out HF standard gas concentrations in SF6 gases
Quantify, quantitative approach is the standard method in industry, is not repeated in this patent；
S3, the outlet of outlet pipe 6 are directly connected to SF6Gas acidity measurement apparatus, calibration experiments are carried out to it.
To sum up, SF of the invention6HF Standard Gases device for formulating and compound method, solve and use SF in gas6Gas acidity
Detection means measures typical magnitude problem of transmission during acidity, can be to SF6Gas acidity detection means is directly calibrated, and makes it
Measurement data is more accurate, with time-consuming short, effect it is good, it is easy to use the features such as, provided for the safe operation of power equipment
The guarantee of power.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the invention is not limited in any way for above-described embodiment, it is all to be obtained by the way of equivalent substitution or equivalent transformation
Technical scheme, all falls within protection scope of the present invention.
Claims (8)
1. a kind of SF6HF Standard Gases device for formulating in gas, it is characterised in that including：With the first water bath for communicating with each other and
The constant temperature water bath apparatus of second water bath, wherein, heating module and temperature detecting module are provided with the first water bath；Second water-bath
The top sealing of groove, is internally provided with the inside groove for holding liquid HF acid, closure, closure energy is provided with the top of inside groove
Enough open to add liquid HF acid, the front-end and back-end of the closure are attached across the air inlet pipeline of the second water bath respectively
And outlet pipe, the outlet of the outlet pipe and SF6Gas acidity measurement apparatus is connected；In the inside groove, in hydrofluoric acid
The ullage of liquid is less than air inlet pipeline and outlet pipe position provided with a ventilated membrane, the height of ventilated membrane.
2. a kind of SF according to claim 16HF Standard Gases device for formulating in gas, it is characterised in that first water-bath
Groove and the second water bath are provided with a connecting tube between nearest two side, and connecting tube is close to the top of constant temperature water bath apparatus.
3. a kind of SF according to claim 16HF Standard Gases device for formulating in gas, it is characterised in that first water-bath
A circulating pump is connected between groove and the second water bath.
4. a kind of SF according to claim 36HF Standard Gases device for formulating in gas, it is characterised in that the circulating pump connects
On the two side for being connected to the first water bath and the second water bath lie farthest away, and close to bottom wall.
5. a kind of SF according to claim 16HF Standard Gases device for formulating in gas, it is characterised in that the temperature detection
Module is RTD.
6. a kind of SF according to claim 16HF Standard Gases device for formulating in gas, it is characterised in that the air inlet pipeline
One flow control valve of upper installation.
7. prepare SF using the device for formulating as described in any one of claim 3 or 46The method of HF Standard Gases in gas, it is special
Levy and be, comprise the following steps：
S1, hold water in constant temperature water bath apparatus, start circulating pump, constant temperature water bath apparatus is heated by heating module,
And thermometric is carried out with temperature detecting module, stop heating and carrying out temperature control when water temperature reaches setting value；
S2, after after equalized temperature, the liquid HF acid in the inside groove of the second water bath can evaporate generation gas, now, by pure SF6
Gas is passed through in inside groove from air inlet pipeline with constant flow velocity, then is discharged from outlet pipe, the SF of discharge6Gas has standard dense
The HF gases of degree；
S3, the outlet of outlet pipe are directly connected to SF6Gas acidity measurement apparatus, calibration experiments are carried out to it.
8. compound method according to claim 7, it is characterised in that in step S1, setting value is 40~80 DEG C, according to institute
Depending on needing HF gas concentrations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191780.7A CN104807690B (en) | 2015-04-21 | 2015-04-21 | A kind of SF6HF Standard Gases device for formulating and method in gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191780.7A CN104807690B (en) | 2015-04-21 | 2015-04-21 | A kind of SF6HF Standard Gases device for formulating and method in gas |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104807690A CN104807690A (en) | 2015-07-29 |
| CN104807690B true CN104807690B (en) | 2017-09-15 |
Family
ID=53692713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191780.7A Active CN104807690B (en) | 2015-04-21 | 2015-04-21 | A kind of SF6HF Standard Gases device for formulating and method in gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104807690B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929723Y (en) * | 2006-07-27 | 2007-08-01 | 中国计量科学研究院 | Dynamic gas distributor for multiple component expansion tube standard gases |
| CN101352660A (en) * | 2008-09-02 | 2009-01-28 | 浙江大学 | Device for formulating low concentration gas and formulating method |
| CN101713712A (en) * | 2008-10-06 | 2010-05-26 | 中国科学院大连化学物理研究所 | Dynamic preparation device for standard gas of solid-phase or liquid-phase compounds and application thereof |
| CN203329640U (en) * | 2013-06-27 | 2013-12-11 | 江苏物联网研究发展中心 | Standard gas mixing device for gas testing system |
| CN204613011U (en) * | 2015-04-21 | 2015-09-02 | 国家电网公司 | A kind of SF 6hF Standard Gases device for formulating in gas |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5094203B2 (en) * | 2007-05-16 | 2012-12-12 | 三菱レイヨン株式会社 | Gas mixer, method for producing raw material gas for gas phase catalytic oxidation reaction |
-
2015
- 2015-04-21 CN CN201510191780.7A patent/CN104807690B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2929723Y (en) * | 2006-07-27 | 2007-08-01 | 中国计量科学研究院 | Dynamic gas distributor for multiple component expansion tube standard gases |
| CN101352660A (en) * | 2008-09-02 | 2009-01-28 | 浙江大学 | Device for formulating low concentration gas and formulating method |
| CN101713712A (en) * | 2008-10-06 | 2010-05-26 | 中国科学院大连化学物理研究所 | Dynamic preparation device for standard gas of solid-phase or liquid-phase compounds and application thereof |
| CN203329640U (en) * | 2013-06-27 | 2013-12-11 | 江苏物联网研究发展中心 | Standard gas mixing device for gas testing system |
| CN204613011U (en) * | 2015-04-21 | 2015-09-02 | 国家电网公司 | A kind of SF 6hF Standard Gases device for formulating in gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104807690A (en) | 2015-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103712756B (en) | A kind of quantitative leakage detection method of pressure system | |
| CN109855925A (en) | The high vapour concentration aerosol on-line measurement device of the high temperature and pressure of bandgap calibration function | |
| CN103674448B (en) | Control pressurer system and space capsule junction device for detecting leak rate and method | |
| CN104880502B (en) | Simple stimulation apparatus for corrosion and electrochemistry tests in low speed pipeline | |
| CN108827821A (en) | A kind of fast analyser and method for density of hydrogen in nuclear power plant containment shell | |
| CN202793851U (en) | Vapor-liquid sampling device of high temperature and high pressure reactor | |
| CN104122374B (en) | The verification method of a kind of sulphur trioxide sampling test macro and device | |
| CN104807690B (en) | A kind of SF6HF Standard Gases device for formulating and method in gas | |
| CN106052968B (en) | Nuclear boiler heat-transfer pipe helium mass spectrum leak detection equipment leak source localization method | |
| CN204613011U (en) | A kind of SF 6hF Standard Gases device for formulating in gas | |
| CN103728105B (en) | A kind of quantitative leak detecting device of pressure system | |
| CN105403657B (en) | A kind of method for testing phosphine release amount in red phosphorus flame-retardant polymeric material | |
| CN104383787B (en) | Continuous production equipment of hydrogen chloride methanol solution and production technology | |
| CN203798789U (en) | Acidity measuring and absorbing device for sulfur hexafluoride gas | |
| CN203629754U (en) | A quantitative leakage detection apparatus for a pressure system | |
| CN106542600A (en) | A kind of device and method of the easy accurate deoxygenation of laboratory | |
| CN102095662B (en) | elemental silicon measuring method and device | |
| CN104596786A (en) | Compressed air circulation system for performance test of heat exchanger | |
| CN204462133U (en) | A kind of blast furnace gas mixed gaseous acid concentration dry type pick-up unit and sampler thereof | |
| CN205003268U (en) | A device that is used for direct current station conductivity meter to compare calibration | |
| CN208902687U (en) | A kind of sample gas of on-line analysis system arranges condensation liquid device automatically | |
| CN102445377B (en) | A kind of totally-enclosed high-temperature low-pressure digestion device | |
| CN204613000U (en) | A kind of SF 6the device for formulating of gas mineral oil in fluid content standard gas | |
| CN104678068A (en) | Dry type detection device for acid concentration of blast furnace coal gas as well as sampling device and detection method thereof | |
| CN220231626U (en) | Nitrogen-containing detection equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |