CN206945361U - Reaction generation minimum gas on-line detecting system - Google Patents
Reaction generation minimum gas on-line detecting system Download PDFInfo
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- CN206945361U CN206945361U CN201720719838.5U CN201720719838U CN206945361U CN 206945361 U CN206945361 U CN 206945361U CN 201720719838 U CN201720719838 U CN 201720719838U CN 206945361 U CN206945361 U CN 206945361U
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- gas
- way valve
- detecting system
- line detecting
- circulation loop
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Abstract
The utility model discloses one kind to react generation minimum gas on-line detecting system, belongs to detection device technical field.On-line detecting system includes reactor, gas collection portion, quantitative sampling portion and gas circulation portion, and each part is sequentially connected in series by pipeline to form circulation loop；The quantitative sampling portion includes six-way valve and quantity tube；Also include gas detection section, it is in parallel with the circulation loop by the six-way valve；The quantity tube is accessed into the circulation loop progress quantitative sampling by switching the six-way valve；Switch the six-way valve again to be tested and analyzed the quantity tube access gas detection section.The utility model provides an efficient detection technique, it is ensured that efficiently sampling and the sample introduction test of minimum gas, realizes the qualitative and quantitative analysis of the real-time online to producing minimum gas in reaction.
Description
Technical field
A kind of reaction generation minimum gas on-line detecting system is the utility model is related to, belongs to detection device technical field.
Background technology
In many scientific researches and actual production work, often need to detect some real-time caused gases, instead
The test system of gas, which should be generated, can apply in multiple necks such as Essential Chemistry, life science, environmental science, new energy, new material
Domain.But when reaction generation gas is very micro, detection operation irregularity is difficult.
Gas-chromatography (GC) is conventional analytical equipment, and it is used as carrier gas general by being different from the inert gas of gas sample component
Gas sample is sent into chromatographic column, because different component carries out repeated multiple times distribution or adsorption and de-adsorption during exercise, due to each
The ability of the adsorption-desorption of component in the chromatography column is different, and different component is finally separated；After component flows out chromatographic column, stand
Enter detector；Sample component can be changed into electric signal by detector, electric signal size and tested group component or concentration into
Direct ratio；Signal amplifies and recorded in real time, obtains gas chromatogram, so as to be entered according to information such as the peak position of spectrogram and peak intensities to gas sample
Row qualitative and quantitative analysis.
But in actually detected, it is difficult to by gas collection all caused by reaction and be passed through the detections such as gas-chromatography (GC) and set
It is standby to carry out qualitative and quantitative analysis.Even if feasible, such a method is also that program is cumbersome, efficiency is low, and can not reflect hair
Real-time condition during angry precursor reactant.
In the prior art, patent 201020265986.2 discloses a kind of trace gas collecting and on-line detecting system, its
By building vacuum line, after being vacuumized in reactor, gasometry sampling caused by reaction is detected.Due to vacuum
The inner product of pipeline is certain, then sampling amount has fixed proportionate relationship with all gas to be checked, you can obtains total overall reaction life accordingly
Into the data of gas.But the technology then needs strict guarantee air-tightness due to needing vacuumize process；Need cumbersome take out simultaneously
Vacuum step；And the patent uses fixed glass piping thus to increase so as to solve the problems, such as vacuum pressure and corrosion of piping
Device builds cost, and glass is easily damaged, be unfavorable for equipment operation and maintenance.
In view of foregoing existing technical problem, should develop a kind of minimum gas on-line checking of new and effective reaction generation
System, it is set to have more practicality.
The content of the invention
Purpose is to provide a kind of switch contact of quick disjunction and the breaker using the structure, used technical side
Case is：
One kind reaction generation minimum gas on-line detecting system, including：Reactor, gas collection portion, quantitative sampling portion and
Gas circulation portion, each part of the above are in series by pipeline to form circulation loop；Separately also include gas detection section；It is described quantitative
Sampling unit includes six-way valve and quantity tube.
6 interfaces of the six-way valve connect the gas detection section, quantity tube and the circulation loop respectively；Make to pass through
Switch the six-way valve and the quantity tube is accessed into the circulation loop progress quantitative sampling；Switch the six-way valve again by described in
Quantity tube accesses the gas detection section and tested and analyzed.
Further, the gas collection portion is the gas collection container of variable volume, to ensure in the circulation loop
Air pressure is consistent with external pressure.
Further, the gas collection container is discharge opeing gas bottle.
Further, described gas detection section uses gas-chromatography, and the sample introduction carrier gas of gas-chromatography first accesses six-way valve,
Gas sample in the quantitative loop is taken out of and accesses gas-chromatography and is detected.
Further, the gas circulation portion uses peristaltic pump.
Further, 1 four-way valve is further connected with the circulation loop, 2 interfaces of remainder of the four-way valve connect respectively
Enter inert gas as carrier gas, and exhaust emissions pipeline；
Before reaction detection is started, carrier gas is accessed into the circulation loop by impurity therein by switching the four-way valve
Gas is discharged；Switch the four-way valve again and return back to circuit cycle state, proceed by reaction detection.
Further, according to the air guide direction in the gas circulation portion, by air inlet to outlet order, in the circulation loop
The order of connection of each part is followed successively by：
Four-way valve --- reactor --- gas collection portion --- quantitative sampling portion --- gas circulation portion --- four-way valve.
Reaction generation minimum gas on-line testing method is carried out using the system, injected in first passing through toward circulation loop quantitative
The mode simulation reaction of object gas carries out test and obtains corresponding signal data, to obtain normative reference curve；Again in identical bar
The generation gas test reacted under part, gained signal data compare normative reference curve and calculated, raw in being reacted
Into minimum gas data.
Using preceding solution, it is ensured that efficiently sampling and the sample introduction test of minimum gas, realize to being produced in reaction
The qualitative and quantitative analysis of the real-time online of raw minimum gas.Reaction generation minimum gas on-line detecting system of the present utility model
At least have the advantages that：
(1) due to not needing special vacuumize process, troublesome operation is avoided；
(2) while vacuumizing part is eliminated, device structure is simple, and cost is lower；
(3) it can meet that equipment uses using the PE pipes of pipe with small pipe diameter, polyfluortetraethylene pipe etc., thus reduce reaction gas circuit
Inner product, the minimum gas that reaction generates is set not diluted by large scale, so as to improve accuracy of detection；
(4) and react consistent with external pressure inside gas circuit, air-tightness and stability are more secure；
(5) it can also avoid using glass component, equipment is sturdy and durable etc..
The utility model provides the reaction generation minimum gas on-line detecting system of complete set, realizes that side is reacted,
Side on-line testing, there is wide applicability.
Brief description of the drawings
Fig. 1 is the reaction generation minimum gas on-line detecting system structural representation in the utility model, is reaction in figure
When quantitative sampling state；
Fig. 2 is the gas washing view of the reaction generation minimum gas on-line detecting system in the utility model；
Fig. 3 is the sample detection view of the reaction generation minimum gas on-line detecting system in the utility model.
Embodiment
For technological means and beneficial effect of the present utility model is expanded on further, below in conjunction with accompanying drawing and preferred embodiment,
Specific embodiment of the present utility model is described in detail：
As shown in Figure 1, reaction generation minimum gas on-line detecting system, including：Reactor (2), gas collection portion,
Quantitative sampling portion and gas circulation portion；Gas circulation portion uses peristaltic pump (3)；Gas collection portion uses draining gas bottle (4), makes
Air pressure in circulation loop is consistent with external pressure；Quantitative sampling portion includes six-way valve (5) and quantity tube (6).Also include conduct
The gas-chromatography of gas detection section, and switching carrier gas access device carry out 1 four-way valve (1) of gas washing.
According to the air guide direction of peristaltic pump (3), by air inlet to outlet order, using external diameter 3mm internal diameters 2mm PE pipes according to
Following each part of sequential series forms circulation loop：Four-way valve (1) --- reactor (2) --- draining gas bottle (4) --- six
Port valve (5) --- peristaltic pump (3) --- four-way valve (1).
2 interfaces of remainder of four-way valve (1) are respectively connected to inert gas as carrier gas, and exhaust emissions pipeline.Six is logical
6 interfaces of valve (5) connect gas-chromatography, quantity tube (6) and circulation loop respectively, make quantity tube (6) to be respectively connected to circulate
Loop and gas-chromatography.
As shown in Figure 2, will by carrier gas access circulation loop by switching four-way valve (1) before reaction detection is started
Foreign gas discharge therein；Switch four-way valve (1) again and return back to circuit cycle state as shown in Figure 1, proceed by
Reaction detection.
As shown in Figure 1, switch six-way valve (5) during reaction and quantity tube (6) access circulation loop is subjected to quantitative sampling.
As shown in Figure 3, time point to be detected, switching six-way valve (5) are examined quantity tube (6) access gas-chromatography
Analysis is surveyed, completes a sample detecting.
Reaction generation minimum gas test is carried out using the system, advanced rower sample test, by the above process, followed by past
The mode simulation reaction that quantitative objective gas is injected in loop back path carries out the corresponding signal data of test acquisition, to obtain normative reference
Curve；Reaction test is carried out again, and gained signal data compares normative reference curve and calculated, and what is generated in being reacted is micro
Gas data.
Above description is specific embodiment of the present utility model, is respectively illustrated not in essence of the present utility model
Appearance is construed as limiting, and person of ordinary skill in the field makes an amendment or deformed to foregoing embodiment, without departing substantially from this reality
With new essence.
Claims (7)
1. one kind reaction generation minimum gas on-line detecting system, it is characterised in that including：Reactor, gas collection portion, quantify
Sampling unit and gas circulation portion, each part of the above are in series by pipeline to form circulation loop；
Separately also include gas detection section；
The quantitative sampling portion includes six-way valve and quantity tube；
6 interfaces of the six-way valve connect the gas detection section, quantity tube and the circulation loop respectively；Make to pass through switching
The quantity tube is accessed the circulation loop and carries out quantitative sampling by the six-way valve；Switching the six-way valve again will be described quantitative
Pipe accesses the gas detection section and tested and analyzed.
2. reaction generation minimum gas on-line detecting system as claimed in claim 1, it is characterised in that the gas collection portion
For the gas collection container of variable volume, to ensure that the air pressure in the circulation loop is consistent with external pressure.
3. reaction generation minimum gas on-line detecting system as claimed in claim 2, it is characterised in that the gas collection container is
Discharge opeing gas bottle.
4. reaction generation minimum gas on-line detecting system as claimed in claim 1, it is characterised in that described gas detection
Portion uses gas-chromatography, and the sample introduction carrier gas of gas-chromatography first accesses six-way valve, and the gas sample in the quantitative loop is taken out of and accessed
Gas-chromatography is detected.
5. reaction generation minimum gas on-line detecting system as claimed in claim 1, it is characterised in that the gas circulation portion
Using peristaltic pump.
6. the reaction generation minimum gas on-line detecting system as described in any bar in claim 1-5, it is characterised in that described
It is further connected with 1 four-way valve in circulation loop, 2 interfaces of remainder of the four-way valve are respectively connected to inert gas as carrier gas, with
And exhaust emissions pipeline；
Before reaction detection is started, carrier gas is accessed into the circulation loop by foreign gas therein by switching the four-way valve
Discharge；Switch the four-way valve again and return back to circuit cycle state, proceed by reaction detection.
7. reaction generation minimum gas on-line detecting system as claimed in claim 6, it is characterised in that followed according to the gas
The air guide direction of ring portion, by air inlet to outlet order, the order of connection of each part is followed successively by the circulation loop：
Four-way valve --- reactor --- gas collection portion --- quantitative sampling portion --- gas circulation portion --- four-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719838.5U CN206945361U (en) | 2017-06-20 | 2017-06-20 | Reaction generation minimum gas on-line detecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720719838.5U CN206945361U (en) | 2017-06-20 | 2017-06-20 | Reaction generation minimum gas on-line detecting system |
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| Publication Number | Publication Date |
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| CN206945361U true CN206945361U (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720719838.5U Active CN206945361U (en) | 2017-06-20 | 2017-06-20 | Reaction generation minimum gas on-line detecting system |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084860A (en) * | 2017-06-20 | 2017-08-22 | 海南聚能科技创新研究院有限公司 | Reaction generation minimum gas on-line detecting system |
| CN114113423A (en) * | 2021-12-07 | 2022-03-01 | 江西蓝星星火有机硅有限公司 | Device and method for quantitatively determining residual silicon hydrogen in organic silicon sample |
-
2017
- 2017-06-20 CN CN201720719838.5U patent/CN206945361U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084860A (en) * | 2017-06-20 | 2017-08-22 | 海南聚能科技创新研究院有限公司 | Reaction generation minimum gas on-line detecting system |
| CN114113423A (en) * | 2021-12-07 | 2022-03-01 | 江西蓝星星火有机硅有限公司 | Device and method for quantitatively determining residual silicon hydrogen in organic silicon sample |
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