CN209446549U - A kind of oxygen on-line analysis system - Google Patents
A kind of oxygen on-line analysis system Download PDFInfo
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- CN209446549U CN209446549U CN201822151901.7U CN201822151901U CN209446549U CN 209446549 U CN209446549 U CN 209446549U CN 201822151901 U CN201822151901 U CN 201822151901U CN 209446549 U CN209446549 U CN 209446549U
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Abstract
The utility model discloses a kind of oxygen on-line analysis systems, including cabinet, it further include pretreatment unit and oxygen analysis unit, the pretreatment unit and oxygen analysis unit are arranged at cabinet inside, the pretreatment unit includes scrubber tower, gas-liquid separator, air-source treater, sample streams meter, emptying flow meter, needle-valve, three-way ball valve and two pass ball valves, two pass ball valve is made of first liang of pass ball valve and second liang of pass ball valve, and the oxygen analysis unit is made of oxygen analyser.The utility model is made of pretreatment unit and oxygen analysis unit, scrubber tower in the pretreatment unit characteristic miscible with water according to methanol, DMAC, remove the organic gas in sample gas, and play cooling, buffer function, discoloration silica gel is provided in gas-liquid separator for removing fine impurities and moisture, likewise, being provided with organic filter powder in air-source treater, for removing organic gas ingredient and partial moisture, sample gas is allowed sufficiently to filter.
Description
Technical field
The utility model relates to a kind of analysis system, in particular to a kind of oxygen on-line analysis system.
Background technique
In production technology, gas generally requires to use as raw material or catalyst, in actual use, people
It needs to carry out Concentration Testing to gas, guarantee either in use or during exhaust emissions, then either prevent letting out
During leakage, it is required to detection gas concentration, to guarantee gaseous safety, accident is prevented, especially in production process
In, precision instrument needs to carry out gas accurate control, and can be with Real-time Feedback to production line, to do timely adjustment, and originally
A kind of oxygen on-line analysis system of utility model, is just to be able to real-time detection oxygen concentration, while feeding back to production line
And the instrument made.
Utility model content
Technical problem to be solved in the utility model is mainly achieved through the following technical solutions:
In one embodiment of the utility model, a kind of oxygen on-line analysis system, including cabinet, it further include that pretreatment is single
Member and oxygen analysis unit, the pretreatment unit and oxygen analysis unit are arranged at cabinet inside, the pretreatment unit
Including scrubber tower, gas-liquid separator, air-source treater, sample streams meter, emptying flow meter, needle-valve, three-way ball valve and two logical balls
Valve, two pass ball valve are made of first liang of pass ball valve and second liang of pass ball valve, and the oxygen analysis unit is by oxygen analyser
Composition；It is provided with filter probe device outside the cabinet, the filter probe device is connected to cabinet inside, and is connected to needle-valve one
End, the needle-valve other end are connected to the inlet end of scrubber tower, and machine is discharged in first liang of the water outlet pass ball valve of the scrubber tower
Outside case, the outlet side of the scrubber tower is connected to gas-liquid separator inlet end, and second liang of the gas-liquid separator water outlet is logical
Ball valve is discharged outside cabinet, and the gas-liquid separator outlet side is connected to air-source treater inlet end, the air-source treater outlet
End is connected to three-way ball valve one end, and one end in the other both ends of three-way ball valve is connected to flow calibrating device, the other end point
It is not connected to sample streams meter and emptying flow meter, emptying flow meter outlet side is connected to exhaust port, the sampling
Water proof filter is provided between flowmeter inlet end and three-way ball valve, sample streams meter outlet side is connected to oxygen analysis
Instrument inlet end, the oxygen analyser outlet side are connected to exhaust port.
Further, pipeline is all made of in cabinet with the device outside cabinet and realizes connection, pipeline is using 316L stainless steel and gathers
Pipeline made of tetrafluoroethene material, this pipeline is corrosion-resistant, high temperature, pressure duct and constant pressure and flow drying part, guarantees
System can be permanently effective operation.
In one embodiment of the utility model, the cabinet is made of 304 stainless steel materials.
In one embodiment of the utility model, it is additionally provided with pressure reducing valve between the filter probe device and needle-valve, it is described
One end of pressure reducing valve connects filter probe device, and the other end is connected to needle-valve.
In one embodiment of the utility model, the gas-liquid separator is internally provided with discoloration silica gel.
In one embodiment of the utility model, the air-source treater is internally provided with machine filtering powder.
In one embodiment of the utility model, the oxygen analyser uses D610 gas detector.
Using above technical scheme, have following technical effect:
A kind of oxygen on-line analysis system of the utility model, is made of pretreatment unit and oxygen analysis unit, pre- to locate
Manage the scrubber tower characteristic miscible with water according to methanol, DMAC in unit, remove the organic gas in sample gas, and play cooling,
Buffer function is provided with discoloration silica gel in gas-liquid separator for removing fine impurities and moisture, likewise, in air-source treater
It is provided with organic filter powder, for removing organic gas ingredient and partial moisture, allows sample gas sufficiently to filter, when gas enters oxygen
When analytical unit, one of water proof filter is also set up, to prevent moisture from entering oxygen analyser, and guarantees that oxygen analyser is normal
Work, herein, the oxygen analyser of use are D610 gas detectors, and fast response time, measurement accuracy are high, on-site test number
According to display function, in combination with advanced digital processing technology, automatic zero point correction, temperature compensation function, optional 4-20mA
Signal output inside sets alarm relay output switch parameter function, energy precise measurement oxygen concentration, and is set according to preset alarm
Definite value is alarmed；One end of three-way ball valve is also connected with flow calibrating device, and flow calibrating device can provide the zero of standard
Point gas and range gas during can be used, revise deviation, realize system fine-limit work.
Detailed description of the invention
Such as the structure principle chart that Fig. 1 is the utility model；
Such as the cabinet planar structure schematic diagram that Fig. 2 is the utility model.
1- needle-valve；2- scrubber tower；3- gas-liquid separator；4- air-source treater；5- three-way ball valve；6- emptying flow meter；7-
Water proof filter；8- sample streams meter；9- flow calibrating device；First liang of pass ball valve of 10-；Second liang of pass ball valve of 11-；12- is visited
Head filter；13- pressure reducing valve；14- oxygen analyser；15- cabinet；16- exhaust port.
Specific embodiment
In order to make the technological means of the utility model, create feature, reach purpose and effect is easy to understand, tie below
Conjunction is specifically illustrating, and furthers elucidate the utility model.
As shown in Figure 1, 2, a kind of oxygen on-line analysis system, including cabinet 15 further include pretreatment unit and oxygen point
Unit is analysed, the pretreatment unit and oxygen analysis unit are arranged inside cabinet 15, and the pretreatment unit includes gas washing
Tank 2, gas-liquid separator 3, air-source treater 4, sample streams meter 8, emptying flow meter 6, needle-valve 1, three-way ball valve 5 and two logical balls
Valve, two pass ball valve are made of first liang of pass ball valve 10 and second liang of pass ball valve 11, and the oxygen analysis unit is by oxygen point
Analyzer 14 forms；It is provided with filter probe device 12 outside the cabinet 15, the filter probe device 12 is connected to inside cabinet 15, and
It is connected to 1 one end of needle-valve, 1 other end of needle-valve is connected to the inlet end of scrubber tower 2, the water outlet of the scrubber tower 2
One liang of pass ball valve 10 is discharged outside cabinet 15, and the outlet side of the scrubber tower 2 is connected to 3 inlet end of gas-liquid separator, the gas-liquid
Second liang of 3 water outlet of separator pass ball valve 11 is discharged outside cabinet 15, and 3 outlet side of gas-liquid separator is connected to gas source processing
4 inlet end of device, 4 outlet side of air-source treater are connected to 5 one end of three-way ball valve, in the other both ends of the three-way ball valve 5
One end is connected to flow calibrating device 9, and the other end is connected to sample streams meter 8 and emptying flow meter 6, the emptying flow
It counts 6 outlet sides and is connected to exhaust port 16, be provided with and blocked water between 8 inlet end of sample streams meter and three-way ball valve 5
Filter 7,8 outlet side of sample streams meter are connected to 14 inlet end of oxygen analyser, and 14 outlet side of oxygen analyser connects
It is connected to exhaust port 16；The cabinet 15 is made of 304 stainless steel materials；Between the filter probe device 12 and needle-valve 1
It is additionally provided with pressure reducing valve 13, one end of the pressure reducing valve 13 connects filter probe device 12, and the other end is connected to needle-valve 1；The gas
Liquid/gas separator 3 is internally provided with discoloration silica gel；The air-source treater 4 is internally provided with machine filtering powder；The oxygen analyser
14 use D610 gas detector；Device in the cabinet 15 and outside cabinet 15 is all made of pipeline and realizes connection, the pipeline
Using pipeline made of 316L stainless steel and polytetrafluoroethylene (PTFE) material.
When utility model works, filter probe device 12 is mounted on suitable pipeline, sample gas then passes through the entrance of needle-valve 1
To scrubber tower 2, it is provided with clear water in scrubber tower 2, the impurity for being dissolved in water such as methanol, DMAC is got rid of, and is discharged, by gas washing
After tank 2, then gas-liquid separator 3 is flowed into, the discoloration silica gel of gas-liquid separator 3 gets rid of small impurity and moisture, by gas-liquid separation
After device 3, into air-source treater 4, under the action of organic filter powder, removal oxygen partial divides moisture, and allows oxygen sufficiently mistake
Filter, respectively enters flow calibrating device 9, sample streams meter 8 and emptying flow meter 6 after filtering, sample streams meter 8 is by constant oxygen
It to 500ml/min, send to oxygen analyser 14, and sends out the current data of 4-20mA, meanwhile, into flow calibrating device 9
The zero gas and range gas of standard be then provided, three-way ball valve 5 be for switching sample gas in production and Standard Gases and zero gas, if
In use for some time, there is deviation to instrument in detection accuracy, at this moment three-way ball valve 5 can be switched to calibration, be passed through range gas
And zero gas, Zero calibration and range designation are carried out respectively with the zero gas of standard and range gas, deviation are corrected, finally, flowing through
The gas of oxygen analyser 14 and the gas for flowing through emptying flow meter 6 are recycled and are discharged.
A kind of oxygen on-line analysis system of the utility model, is made of pretreatment unit and oxygen analysis unit, pre- to locate
Manage the characteristic miscible with water according to methanol, DMAC of scrubber tower 2 in unit, remove the organic gas in sample gas, and play cooling,
Buffer function is provided with discoloration silica gel in gas-liquid separator 3 for removing fine impurities and moisture, likewise, air-source treater 4
It is inside provided with organic filter powder, for removing organic gas ingredient and partial moisture, allows sample gas sufficiently to filter, when gas enters oxygen
When gas analytical unit, one of water proof filter 7 is also set up, to prevent moisture from entering oxygen analyser 14, and guarantees oxygen analysis
Instrument 14 works normally, and herein, the oxygen analyser 14 of use is D610 gas detector, and fast response time, measurement accuracy are high,
On-site test data display function, in combination with advanced digital processing technology, automatic zero point correction, temperature compensation function,
The output of optional 4-20mA signal, inside sets alarm relay output switch parameter function, can precise measurement oxygen concentration, and according to pre-
If alarm setting value alarm；One end of three-way ball valve 5 is also connected with flow calibrating device 9, and flow calibrating device 9 can be with
The zero gas and range gas of offer standard during can be used, revise deviation, realize system fine-limit work.
The foregoing describe the basic principles and main features of the utility model, It should be understood by those skilled in the art that this
Utility model is not restricted to the described embodiments, and the above embodiments and description only describe the originals of the utility model
Reason, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes
Change and improvement is fallen within the scope of the claimed invention, range is claimed by the attached claims in utility model
Book and its equivalent thereof.
Claims (6)
1. a kind of oxygen on-line analysis system, including cabinet (15), which is characterized in that further include pretreatment unit and oxygen analysis
Unit, the pretreatment unit and oxygen analysis unit are arranged at cabinet (15) inside, and the pretreatment unit includes gas washing
Tank (2), gas-liquid separator (3), air-source treater (4), sample streams meter (8), emptying flow meter (6), needle-valve (1), three-way ball
Valve (5) and two pass ball valves, two pass ball valve are made of first liang of pass ball valve (10) and second liang of pass ball valve (11), the oxygen
Analytical unit is made of oxygen analyser (14)；
It being provided with filter probe device (12) outside the cabinet (15), the filter probe device (12) is connected to cabinet (15) inside,
And it is connected to needle-valve (1) one end, needle-valve (1) other end is connected to the inlet end of scrubber tower (2), the scrubber tower (2)
Outside, the outlet side of the scrubber tower (2) is connected to gas-liquid separator to first liang of water outlet pass ball valve (10) discharge cabinet (15)
(3) inlet end, second liang of gas-liquid separator (3) water outlet pass ball valve (11) discharge cabinet (15) outside, divide by the gas-liquid
It is connected to air-source treater (4) inlet end from device (3) outlet side, air-source treater (4) outlet side is connected to three-way ball valve
(5) one end, the one end of the three-way ball valve (5) in addition in both ends are connected to flow calibrating device (9), and the other end is connected to
Sample streams meter (8) and emptying flow meter (6), emptying flow meter (6) outlet side is connected to exhaust port (16), described
It is provided between sample streams meter (8) inlet end and three-way ball valve (5) water proof filter (7), sample streams meter (8) outlet
End is connected to oxygen analyser (14) inlet end, and oxygen analyser (14) outlet side is connected to exhaust port (16).
2. a kind of oxygen on-line analysis system according to claim 1, which is characterized in that the cabinet (15) uses 304
Stainless steel material production.
3. a kind of oxygen on-line analysis system according to claim 1, which is characterized in that the filter probe device (12) and
It is additionally provided between needle-valve (1) pressure reducing valve (13), one end of the pressure reducing valve (13) connects filter probe device (12), and the other end connects
It is connected to needle-valve (1).
4. a kind of oxygen on-line analysis system according to claim 1, which is characterized in that in the gas-liquid separator (3)
Portion is provided with discoloration silica gel.
5. a kind of oxygen on-line analysis system according to claim 1, which is characterized in that in the air-source treater (4)
Organic filter powder is arranged in portion.
6. a kind of oxygen on-line analysis system according to claim 1, which is characterized in that the oxygen analyser (14) is adopted
With D610 gas detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151901.7U CN209446549U (en) | 2018-12-21 | 2018-12-21 | A kind of oxygen on-line analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822151901.7U CN209446549U (en) | 2018-12-21 | 2018-12-21 | A kind of oxygen on-line analysis system |
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| Publication Number | Publication Date |
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| CN209446549U true CN209446549U (en) | 2019-09-27 |
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| CN201822151901.7U Active CN209446549U (en) | 2018-12-21 | 2018-12-21 | A kind of oxygen on-line analysis system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575572A (en) * | 2022-09-27 | 2023-01-06 | 珠海易奥科技有限公司 | Online oxygen analysis device |
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2018
- 2018-12-21 CN CN201822151901.7U patent/CN209446549U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115575572A (en) * | 2022-09-27 | 2023-01-06 | 珠海易奥科技有限公司 | Online oxygen analysis device |
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