CN206974849U - A kind of gas content detection means - Google Patents
A kind of gas content detection means Download PDFInfo
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- CN206974849U CN206974849U CN201720974952.2U CN201720974952U CN206974849U CN 206974849 U CN206974849 U CN 206974849U CN 201720974952 U CN201720974952 U CN 201720974952U CN 206974849 U CN206974849 U CN 206974849U
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Abstract
It the utility model is related to a kind of gas content detection means, the hydrogeneous measuring device cost for which solving existing containing hydrogen silicone oil is high, complex operation, the low technical problem of accuracy of measurement, it includes gas generating unit, normal-pressure balance gas operated device and gas volume measurement device, normal-pressure balance gas operated device includes graduated cylinder, first glass straight tube, first U-shaped glass tube, first three-way valve, second glass straight tube, 3rd glass straight tube, second U-shaped glass tube, the gas container of second three-way valve and variable volume, one end of first U-shaped glass tube is connected with the first glass straight tube, the other end is connected with the upper end of the second glass straight tube, the lower end of second glass straight tube is connected with the entrance of the first three-way valve；The first outlet of first three-way valve is connected with the second U-shaped glass tube；The second outlet of first three-way valve is connected with the A mouths of the second three-way valve, and the gas container of variable volume is connected with the B mouths of the second three-way valve；It can be widely applied to gas detection technology field.
Description
Technical field
Gas measurement technique field is the utility model is related to, in particular to a kind of gas content detection means.
Background technology
Containing hydrogen silicone oil has very important effect in the industrial production, and it is silicon rubber sealing material, organosilyl surface
The raw material indispensable when preparing such as activating agent, silicon wax, silicone modified polymerses.
The hydrogen content of containing hydrogen silicone oil is the crucial technical indicator of containing hydrogen silicone oil, and the accurate hydrogen content for measuring containing hydrogen silicone oil is to answer
With the critical process before containing hydrogen silicone oil.At present, the hydrogeneous measuring method of containing hydrogen silicone oil mainly has chemical titration, mass-spectrometer measurement
Method, gasometry etc..Chemical titration complex operation, influence factor is too many, and measurement error is too big；Although mass spectrography measures
Accurately, but measuring apparatus cost is high, and plant maintenance trouble, in general enterprise does not possess use condition, it is necessary to entrust exterior measuring, takes
Cost is laborious.Gasometry is although simple to operate, but gas volume changing greatly with temperature and pressure, gas volume measurement
The degree of accuracy is low, just influences whether final measurement result when gas volume measurement is inaccurate, causes the final measured value degree of accuracy low.
The content of the invention
The utility model is exactly to solve the hydrogeneous measuring device cost height of existing containing hydrogen silicone oil, complex operation, survey
Measure the low technical problem of the degree of accuracy, there is provided the gas content detection means that a kind of cost is low, simple to operate, accuracy of measurement is high.
The utility model provides a kind of gas content detection means, including gas generating unit, normal-pressure balance gas operated device
With gas volume measurement device, normal-pressure balance gas operated device includes graduated cylinder, the first glass straight tube, the first U-shaped glass tube, the one or three
Port valve door, the second glass straight tube, the 3rd glass straight tube, the second U-shaped glass tube, the gas of the second three-way valve and variable volume hold
Device, one end of the first U-shaped glass tube are connected with the upper end of the first glass straight tube, and the upper end of the other end and the second glass straight tube connects
Connect, the lower end of the first glass straight tube is stretched into graduated cylinder, and the lower end of the second glass straight tube is connected with the entrance of the first three-way valve；The
The upper end of three glass straight tubes is connected with the first outlet of the first three-way valve, and lower end passes through connecting tube and the second U-shaped glass tube
One end connects；The second outlet of first three-way valve is connected by gas conduit with the A mouths of the second three-way valve, variable volume
Gas container is connected by gas conduit with the B mouths of the second three-way valve, and the output end of gas generating unit extend into the first glass
In the lower ending opening of glass straight tube, the C mouths of the second three-way valve are connected with the input of gas volume measurement apparatus.
Preferably, the gas container of variable volume is glass syringe, and the injection port of glass syringe passes through gas conduit
It is connected with the B mouths of the second three-way valve.
Preferably, gas generating unit includes the bottleneck company of reaction bulb, gas conduit and bottle plug, bottle plug and reaction bulb
Connect, the gas conduit on gas generating unit is connected with valve；One end of gas conduit on gas generating unit passes through bottleneck
Plug is inserted into inside reaction bulb, and the other end is extend into the lower ending opening of the first glass straight tube.
Preferably, gas volume measurement apparatus includes gas conduit, tank and base buret, the top of base buret
Rubber pipette bulb is connected with, the lower end of base buret is stretched into tank；One end of gas conduit in gas volume measurement apparatus with
The C mouths connection of second three-way valve, the other end are extend into the lower ending opening of base buret.
Preferably, gas volume measurement apparatus includes airway tube, tank and inverted graduated cylinder, and one end of airway tube is extend into
In inverted graduated cylinder lower openings, the other end is connected with the C mouths of the second three-way valve.
Preferably, the gas container of variable volume is plastic injector or air bag.
The beneficial effects of the utility model are hydrogen to be discharged using the reaction of containing hydrogen silicone oil and alkali, in normal temperature and pressure
Under environment, the volume of hydrogen can be accurately measured, then by the way that the hydrogen content of containing hydrogen silicone oil is further calculated.This practicality is new
Type simple structure, easy to operate, cost is low, and accuracy of measurement is high, and stability is high, runs at normal temperatures and pressures.
The utility model further feature and aspect, by the description of the embodiment below with reference to accompanying drawing,
It is clearly stated that.
Brief description of the drawings
Fig. 1 is the structural representation of gas content detection means；
Fig. 2 be glass syringe push rod from the original state of maximum compression be ejected after state.
Symbol description in figure：
1. reaction bulb, 2. gas conduits, 3. valves, 4. bottle plugs, 5. graduated cylinders, 6. first glass straight tubes, 7. first U-shaped glass
Glass pipe, 8. first three-way valves, 9. connecting tubes, 10. second three-way valves, 11. gas conduits, 12. glass syringes, 13.
Two U-shaped glass tubes, 14. base burets, 15. tanks, 16. second glass straight tubes, 17. gas conduits, 18. gas conduits, 19.
3rd glass straight tube.
Embodiment
As shown in figure 1, gas content detection means includes gas generating unit, normal-pressure balance gas operated device, gas volume
Measurement apparatus.
Gas generating unit includes reaction bulb 1, gas conduit 2, valve 3, bottle plug 4, the bottle of bottle plug 4 and reaction bulb 1
Mouth connection, valve 3 are connected on gas conduit 2, and one end of gas conduit 2 is inserted into inside reaction bulb 1 through bottle plug 4.Instead
Answer during producing gas in bottle 1, valve 3 is opened, reaction bulb 1 produces after gas process terminates and closes valve 3.
Normal-pressure balance gas operated device include graduated cylinder 5, the first glass straight tube 6, the first U-shaped glass tube 7, the first three-way valve 8,
Second glass straight tube 16, gas conduit 17, gas conduit 18, the 3rd glass straight tube 19, the second U-shaped glass tube 13, the second threeway
Valve 10, connecting tube 9, glass syringe 12, the lower end of the first glass straight tube 6 are stretched into graduated cylinder 5, are placed with water in graduated cylinder 5, and first
The lower end of glass straight tube 6 is inserted into water, has a small amount of water to be present in the first glass straight tube 6.The other end of gas conduit 2 stretches into
Into the lower ending opening of the first glass straight tube 6；One end of first U-shaped glass tube 7 is connected with the upper end of the first glass straight tube 6, separately
One end is connected with the upper end of the second glass straight tube 16.The lower end of second glass straight tube 16 is connected with the entrance of the first three-way valve 8,
The upper end of 3rd glass straight tube 19 is connected with the first outlet of the first three-way valve 8, and the lower end of the 3rd glass straight tube 19 passes through company
Adapter 9 is connected with one end of the second U-shaped glass tube 13.One end of gas conduit 17 and the second outlet of the first three-way valve 8 connect
Connect, the A mouths of the second three-way valve 10 are connected with the other end of gas conduit 17, and the injection port of glass syringe 12 is led by gas
Pipe 18 is connected with the B mouths of the second three-way valve 10.The second U-shaped glass tube 13, the first glass straight tube 6 are installed into fixation with iron stand
It is good.
It should be noted that glass syringe 12 can be replaced with plastic injector, it can also be replaced with air bag, made in a word
All it is feasible with the gas container of other variable volumes.
Gas volume measurement apparatus includes gas conduit 11, tank 15, base buret 14, the top of base buret 14
Rubber pipette bulb is connected with, the lower end of base buret 14 is stretched into tank 15, one end of gas conduit 11 and the second three-way valve 10
The connection of C mouths, the other end extend into the lower ending opening of base buret 14.Water is placed with tank 15, base buret 14
Lower ending opening is stretched into water.The installation of base buret 14 is fixed with iron stand.
The application method of gas content detection means is described below：
Before use, holding containing hydrogen silicone oil to be detected in reaction bulb 1, in an initial condition, valve 3 is opened；By first
Three-way valve 8 is opened, and the first three-way valve 8 is in all-pass state；Second three-way valve 10 is opened, the second three-way valve 10
A mouths connect with B mouths, and C mouths are to close.A certain amount of water is poured into graduated cylinder 5, the lower end of the first glass straight tube 6 is inserted into water
In, there is a small amount of water to be present in the first glass straight tube 6.A certain amount of water is poured into the second U-shaped glass tube 13, forms two liquid in left and right
Face.With in the enough water of rubber pipette bulb suction to base buret 14, water is added into tank 15, is made under base buret 14
End is stretched into water.Glass syringe 12 is set to be in most compressed state.Make the liquid level and the second U-shaped glass tube 13 of the reclaimed water of graduated cylinder 5
Two interior liquid levels are in same level.
A certain amount of alkali lye is injected into reaction bulb 1, alkali lye produces hydrogen with containing hydrogen silicone oil reaction, and hydrogen is led from gas
Pipe 2 is entered in the first glass straight tube 6, then enters the first threeway by the first U-shaped glass tube 7, the second glass straight tube 16 successively
Valve 8 divides two-way, and all the way into entering back into the second U-shaped glass tube 13 after the 3rd glass straight tube 19, another way is led by gas
Pipe 17 enters the second three-way valve 10.Glass is all entered by gas conduit 18 into the hydrogen in the second three-way valve 10
In syringe 12, the push rod in glass syringe 12 is gradually ejected in the presence of Hydrogen Vapor Pressure, in glass syringe 12
Push rod position is as shown in Fig. 2 dotted line represents the initial position of push rod in Fig. 2.
After the hydrogen in reaction bulb 1 discharges completely, valve 3 is closed, pulls out the push rod of glass syringe 12,
The liquid level in two liquid levels and the graduated cylinder 5 in the second U-shaped glass tube 13 is adjusted in same level.Then by the first triple valve
Door 8 is closed；The B mouths for adjusting the second three-way valve 10 are connected with C mouths, and A mouths are closed, and gas conduit 18 is connected with gas conduit 11
Logical, gas conduit 18 does not connect with gas conduit 17.The push rod of glass syringe 12 is slowly promoted, push rod is returned to initial position
(position shown in dotted line in Fig. 2), the hydrogen in such glass syringe 12 is just fully drained, and passes sequentially through gas conduit
18th, the B mouths of the second three-way valve 10, the C mouths of the second three-way valve 10, gas conduit 11 are entered in base buret 14, this
When base buret 14 in gas volume be exactly the hydrogen that containing hydrogen silicone oil discharges in reaction bulb 1 volume, pass through in next step
Scale on base buret 14 calculates respective volume, then calculates the hydrogeneous of containing hydrogen silicone oil by known computational methods
Measure final result.
Whole process is carried out at normal temperatures and pressures, and measurement is accurate, normal-pressure balance gas operated device and gas cubing
The temperature and pressure of device local environment will keep constant.
It should be noted that measure dress for the gas volume being made up of gas conduit 11, tank 15, base buret 14
Put, can be replaced with other known gas volume measurement apparatus, such as：The graduated cylinder for filling water is upside down in the tank for filling water
In, it is extend into using an airway tube in graduated cylinder lower openings, the C mouths of the other end of airway tube and the second three-way valve 10 connect
Connect.
It is described above to be not limited to the utility model only to preferred embodiment of the present utility model, for this
For the technical staff in field, the utility model can have various modifications and variations.
Claims (6)
1. a kind of gas content detection means, it is characterized in that, including gas generating unit, normal-pressure balance gas operated device and gas body
Product measurement apparatus, the normal-pressure balance gas operated device include graduated cylinder, the first glass straight tube, the first U-shaped glass tube, the first triple valve
The gas container of door, the second glass straight tube, the 3rd glass straight tube, the second U-shaped glass tube, the second three-way valve and variable volume,
One end of the first U-shaped glass tube is connected with the upper end of the first glass straight tube, and the upper end of the other end and the second glass straight tube connects
Connect, the lower end of the first glass straight tube is stretched into graduated cylinder, and the lower end of the second glass straight tube connects with the entrance of the first three-way valve
Connect；The upper end of 3rd glass straight tube is connected with the first outlet of the first three-way valve, and lower end passes through connecting tube and the second U-shaped glass
One end connection of pipe；The second outlet of first three-way valve is connected by gas conduit with the A mouths of the second three-way valve, and volume can
The gas container of change is connected by gas conduit with the B mouths of the second three-way valve, and the output end of the gas generating unit stretches into
Into the lower ending opening of the first glass straight tube, the C mouths of second three-way valve connect with the input of gas volume measurement apparatus
Connect.
2. gas content detection means according to claim 1, it is characterised in that the gas container of the variable volume is
Glass syringe, the injection port of the glass syringe are connected by gas conduit with the B mouths of the second three-way valve.
3. gas content detection means according to claim 1 or 2, it is characterised in that the gas generating unit includes
The bottleneck of reaction bulb, gas conduit and bottle plug, bottle plug and reaction bulb connects, the gas conduit on the gas generating unit
It is connected with valve；One end of gas conduit on the gas generating unit is inserted into inside reaction bulb through bottle plug, another
End is extend into the lower ending opening of the first glass straight tube.
4. gas content detection means according to claim 3, it is characterised in that the gas volume measurement apparatus includes
Gas conduit, tank and base buret, the top of the base buret are connected with rubber pipette bulb, and the lower end of base buret is stretched
Enter in tank；One end of gas conduit in the gas volume measurement apparatus is connected with the C mouths of the second three-way valve, the other end
It extend into the lower ending opening of base buret.
5. gas content detection means according to claim 3, it is characterised in that the gas volume measurement apparatus includes
Airway tube, tank and inverted graduated cylinder, one end of airway tube are extend into inverted graduated cylinder lower openings, the other end and the two or three
The C mouths connection of port valve door.
6. gas content detection means according to claim 1, it is characterised in that the gas container of the variable volume is
Plastic injector or air bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974952.2U CN206974849U (en) | 2017-08-05 | 2017-08-05 | A kind of gas content detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720974952.2U CN206974849U (en) | 2017-08-05 | 2017-08-05 | A kind of gas content detection means |
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| Publication Number | Publication Date |
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| CN206974849U true CN206974849U (en) | 2018-02-06 |
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| CN201720974952.2U Active CN206974849U (en) | 2017-08-05 | 2017-08-05 | A kind of gas content detection means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738240A (en) * | 2019-03-07 | 2019-05-10 | 常州进出口工业及消费品安全检测中心 | A kind of device for formulating and its configuration method for hazardous gas quantitative detection |
-
2017
- 2017-08-05 CN CN201720974952.2U patent/CN206974849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738240A (en) * | 2019-03-07 | 2019-05-10 | 常州进出口工业及消费品安全检测中心 | A kind of device for formulating and its configuration method for hazardous gas quantitative detection |
| CN109738240B (en) * | 2019-03-07 | 2024-05-03 | 常州工业及消费品检验有限公司 | Preparation device for quantitative detection of dangerous gas and preparation method thereof |
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