CN209400487U - A kind of online chromatograph for VOC analysis - Google Patents
A kind of online chromatograph for VOC analysis Download PDFInfo
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- CN209400487U CN209400487U CN201920048768.4U CN201920048768U CN209400487U CN 209400487 U CN209400487 U CN 209400487U CN 201920048768 U CN201920048768 U CN 201920048768U CN 209400487 U CN209400487 U CN 209400487U
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- chromatographic column
- fid
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- valve
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Abstract
The utility model discloses a kind of online chromatographs for VOC analysis, including cabinet and embedded industrial PC, instrument box, auxiliary tank, fid detector, incubation chamber, pressure maintaining valve, sample gas inlet, heat block, pneumatic operated valve and chromatographic column are installed in cabinet, and power panel, FID signal plate, master control borad, transformer, igniter and Switching Power Supply, the embedded industrial PC is assemblied in case front panel, embedded industrial PC is equipped with touch screen, USB port and power switch, and embedded industrial PC is connect with the network port on master control borad.The utility model compared with prior art the advantages of be: the utility model detection sensitivity is high, and stability is good, and controllability is strong, and integrated level is high, can meet the full constituent of non-methane total hydrocarbons and benzene homologues in environmentally friendly VOC emission and measure, meet on-line analysis demand.
Description
Technical field
The utility model relates to chromatograph more particularly to a kind of online chromatographs for VOC analysis.
Background technique
Therefore, a kind of online chromatograph for VOC analysis is researched and developed, becomes that those skilled in the art are urgently to be resolved to be asked
Topic.
Summary of the invention
The utility model is to provide a kind of online chromatograph for VOC analysis to solve above-mentioned deficiency.
The above-mentioned purpose of the utility model is realized by technical solution below: a kind of for the online of VOC analysis
Chromatograph, including cabinet and embedded industrial PC, cabinet middle part are equipped with upper mounting plate and lower installation board, upper mounting plate and lower peace
Intermediate interlayer is formed between loading board, and forms upper box and lower box；
Instrument box is installed in the upper box, auxiliary tank, fid detector, incubation chamber, pressure maintaining valve, sample gas inlet, is added
Heat block, pneumatic operated valve and chromatographic column, the pressure maintaining valve are three, and one of pressure maintaining valve provides 30ml/min carrier gas to chromatographic column,
It is separated for component, other two pressure maintaining valve connects fid detector, provides 30ml/min hydrogen and 300ml/min air respectively
To fid detector, fid detector is mounted on the side plate of incubation chamber；Described two pneumatic operated valves are pneumatic ten-way valves, are pacified respectively
On another side plate loaded on incubation chamber, heat block is mounted on ten-way valve valve head, around there are two chromatographic column on two heat blocks, two
A chromatographic column is the propark Q chromatographic column of 2m long and the PEG-20w chromatographic column of 3m long；Wherein propark Q chromatographic column is used for
Analyze the methane in environmental monitoring in VOC emission gas；Non-methane total hydrocarbons subtracts methane content meter by the total hydrocarbon content detected
It obtains；PEG-20w chromatographic column is used to analyze the benzene homologues in environmental monitoring in VOC emission gas；The sample gas inlet connects
Ten-way valve is connect, is connected between ten-way valve and chromatographic column using the stainless steel tube of anti-absorption, the outlet of chromatographic column may be coupled directly to
Fid detector, sample enters cabinet through sample gas inlet, then enters chromatographic column by ten-way valve, fid detector of finally entering,
It is constantly in inside incubation chamber, internal temperature has been at a controllable temperature region by heat block heat transfer, is effectively reduced
Absorption of the whole system to sample.
The lower box is equipped with circuit control part, circuit control part include power panel, FID signal plate, master control borad,
Transformer, igniter and Switching Power Supply, master control borad and FID signal plate are connect by 32 needle sockets with power panel；Switching Power Supply connects
Connect inserted computer and master control borad；Igniter connects fid detector；Transformer connects power panel；
The embedded industrial PC is assemblied in case front panel, embedded industrial PC be equipped with touch screen, USB port and
Power switch, embedded industrial PC are connect with the network port on master control borad, and embedded industrial PC can be realized each to instrument
The data setting and monitoring and the analysis and calculating of spectrogram of a system.
Further, the sample gas inlet is connected with filter, damper by connecting pipe, provides to detector steady
Fixed hydrogen, air and carrier gas, Filter Precision 0.01um are prevented with guaranteeing that the gas for entering whole system is pure enough
Pollute air-channel system, chromatographic column and fid detector.
Further, the intermediate interlayer with a thickness of 15mm.
Further, the intermediate interlayer is filled with the glass fiber thermal insulation board of 15mm thickness, reduces separative unit and inspection
Heat radiation of the unit to circuit is surveyed, the isolation of circuit system and other systems is realized.
Further, the detection accuracy of the fid detector can achieve 0.01ppm.
The embedded industrial PC can carry out data analysis and result treatment after establishing analytical plan automatically.It can pass through
Modubus or 4-20mA upload data to host computer.
The utility model compared with prior art the advantages of be: the utility model detection sensitivity is high, and stability is good, can grasp
Control property is strong, and integrated level is high, can meet the full constituent of non-methane total hydrocarbons and benzene homologues in environmentally friendly VOC emission and measure, meet online point
Analysis demand.
Detailed description of the invention
Fig. 1 is the mounting structure schematic diagram of the inside of upper case in the utility model.
Fig. 2 is the mounting structure schematic diagram of the inside of lower case in the utility model.
Fig. 3 is the structural schematic diagram of embedded industrial PC in the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, Figure 2 and Figure 3, a kind of online chromatograph for VOC analysis, including cabinet 1 and embedded work
Computer 3 is controlled, upper mounting plate 1-9 and lower installation board 1-10 is equipped in the middle part of cabinet 1, between upper mounting plate 1-9 and lower installation board 1-10
Intermediate interlayer is formed, and forms upper box and lower box；
Instrument box 1-1, auxiliary tank 1-2, fid detector 1-3, incubation chamber 1-4, pressure maintaining valve 1- are installed in the upper box
5, sample gas inlet 1-6, heat block 1-7, pneumatic operated valve 1-8 and chromatographic column, the pressure maintaining valve 1-5 are three, one of pressure stabilizing
Valve 1-5 provides 30ml/min carrier gas to chromatographic column, separates for component, other two pressure maintaining valve 1-5 connection fid detector 1-3,
It provides 30ml/min hydrogen respectively and 300ml/min air gives fid detector 1-3, fid detector 1-3 to be mounted on incubation chamber 1-4
Side plate on；Described two pneumatic operated valve 1-8 are pneumatic ten-way valves, are respectively arranged on another side plate of incubation chamber 1-4, heating
Block 1-7 is mounted on ten-way valve valve head, and around there are two chromatographic column on two heat block 1-7, two chromatographic columns are 2m's long
The PEG-20w chromatographic column of propark Q chromatographic column and 3m long；Wherein propark Q chromatographic column is for analyzing VOC in environmental monitoring
Methane in discharge gas；Non-methane total hydrocarbons subtracts methane content by the total hydrocarbon content detected and is calculated；PEG-20w chromatography
Column is used to analyze the benzene homologues in environmental monitoring in VOC emission gas；The sample gas inlet 1-6 connection ten-way valve 1-8, ten is logical
It being connected between valve 1-8 and chromatographic column using the stainless steel tube of anti-absorption, the outlet of chromatographic column may be coupled directly to fid detector,
Sample enters cabinet 1 through sample gas inlet 1-6, then enters chromatographic column by ten-way valve 1-8, and finally enter fid detector 1-3,
It is constantly in inside incubation chamber 1-4, internal temperature has been at a controllable temperature region by heat block 1-7 heat transfer, has
Effect reduces absorption of the whole system to sample.
The lower box is equipped with circuit control part 2, and circuit control part 2 includes power panel 2-1, FID signal plate 2-
2, master control borad 2-3, transformer 2-4, igniter 2-5 and Switching Power Supply 2-6, master control borad 2-3 and FID signal plate 2-2 pass through 32 needles
Socket is connect with power panel 2-1；Switching Power Supply 2-6 is that inserted computer and master control borad 2-3 external event are powered；Igniter 2-5
For fid detector igniting；Transformer 2-4 provides required power supply for entire instrument power source plate 2-1；
The embedded industrial PC 3 is assemblied in case front panel, embedded industrial PC 3 be equipped with touch screen 3-1,
USB port 3-2 and power switch 3-3, embedded industrial PC are connect with the network port on master control borad 2-3, embedded industry control electricity
Brain 3 can realize the data setting and monitoring and the analysis and calculating of spectrogram to each system of instrument.
Further, the sample gas inlet 1-6 is connected with filter, damper by connecting pipe, mentions to detector
For stable hydrogen, air and carrier gas, Filter Precision 0.01um is pure enough into the gas of whole system to guarantee,
Prevent pollution air-channel system, chromatographic column and fid detector 1-3.
Further, the intermediate interlayer with a thickness of 15mm.
Further, the intermediate interlayer is filled with the glass fiber thermal insulation board of 15mm thickness, reduces separative unit and inspection
Heat radiation of the unit to circuit is surveyed, the isolation of circuit system and other systems is realized.
Further, the detection accuracy of the fid detector 1-3 can achieve 0.01ppm.
The embedded industrial PC 3 can carry out data analysis and result treatment after establishing analytical plan automatically.It can lead to
It crosses modubus or 4-20mA uploads data to host computer.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (4)
1. a kind of online chromatograph for VOC analysis, it is characterised in that: including cabinet and embedded industrial PC, cabinet
Middle part is equipped with upper mounting plate and lower installation board, intermediate interlayer is formed between upper mounting plate and lower installation board, and form top box
Body and lower box；
Instrument box, auxiliary tank, fid detector, incubation chamber, pressure maintaining valve, sample gas inlet, heating are installed in the upper box
Block, pneumatic operated valve and chromatographic column, the pressure maintaining valve are three, and one of pressure maintaining valve provides 30ml/min carrier gas to chromatographic column,
Two pressure maintaining valves of remaininging connect fid detectors, provide 30ml/min hydrogen and 300ml/min air respectively to fid detector, FID
Detector is mounted on the side plate of incubation chamber；Described two pneumatic operated valves are pneumatic ten-way valves, are respectively arranged in the another of incubation chamber
On side plate, heat block is mounted on ten-way valve valve head, and around there are two chromatographic column on two heat blocks, two chromatographic columns are 2m long
Propark Q chromatographic column and 3m long PEG-20w chromatographic column；The sample gas inlet connects ten-way valve, ten-way valve and chromatography
It is connected between column using the stainless steel tube of anti-absorption, the outlet of chromatographic column may be coupled directly to fid detector；
The lower box is equipped with circuit control part, and circuit control part includes power panel, FID signal plate, master control borad, transformation
Device, igniter and Switching Power Supply, master control borad and FID signal plate are connect by 32 needle sockets with power panel；Switching Power Supply connection is embedding
Enter formula computer and master control borad；Igniter connects fid detector；Transformer connects power panel；
The embedded industrial PC is assemblied in case front panel, and embedded industrial PC is equipped with touch screen, USB port and power supply
Switch, embedded industrial PC are connect with the network port on master control borad.
2. a kind of online chromatograph for VOC analysis according to claim 1, it is characterised in that: the sample gas
Import is connected with filter, damper by connecting pipe, provides stable hydrogen, air and carrier gas, filter to detector
Precision is 0.01um, to guarantee that the gas for entering whole system is pure enough, prevents pollution air-channel system, chromatographic column and FID inspection
Survey device.
3. a kind of online chromatograph for VOC analysis according to claim 1, it is characterised in that: the middle interval
Layer with a thickness of 15mm.
4. a kind of online chromatograph for VOC analysis according to claim 1, it is characterised in that: the middle interval
Layer is filled with the glass fiber thermal insulation board of 15mm thickness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048768.4U CN209400487U (en) | 2019-01-12 | 2019-01-12 | A kind of online chromatograph for VOC analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920048768.4U CN209400487U (en) | 2019-01-12 | 2019-01-12 | A kind of online chromatograph for VOC analysis |
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| Publication Number | Publication Date |
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| CN209400487U true CN209400487U (en) | 2019-09-17 |
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| CN201920048768.4U Active CN209400487U (en) | 2019-01-12 | 2019-01-12 | A kind of online chromatograph for VOC analysis |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
-
2019
- 2019-01-12 CN CN201920048768.4U patent/CN209400487U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646552A (en) * | 2019-10-23 | 2020-01-03 | 无锡市凯奥善生物医药科技有限公司 | Chromatographic column temperature control system and method |
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