CN207689443U - A kind of full-automatic total benzene analyzer - Google Patents
A kind of full-automatic total benzene analyzer Download PDFInfo
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- CN207689443U CN207689443U CN201820071371.2U CN201820071371U CN207689443U CN 207689443 U CN207689443 U CN 207689443U CN 201820071371 U CN201820071371 U CN 201820071371U CN 207689443 U CN207689443 U CN 207689443U
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- chromatographic column
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- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 239000007789 gas Substances 0.000 claims abstract description 55
- 238000010438 heat treatment Methods 0.000 claims abstract description 33
- 239000012159 carrier gas Substances 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 238000000926 separation method Methods 0.000 claims description 18
- 238000001179 sorption measurement Methods 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 16
- 238000004587 chromatography analysis Methods 0.000 claims description 14
- 238000005377 adsorption chromatography Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 7
- 230000001276 controlling effect Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 5
- 238000004440 column chromatography Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 24
- 230000035945 sensitivity Effects 0.000 abstract description 6
- 239000000306 component Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 238000003795 desorption Methods 0.000 description 6
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- QGJOPFRUJISHPQ-UHFFFAOYSA-N Carbon disulfide Chemical compound S=C=S QGJOPFRUJISHPQ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- RWGFKTVRMDUZSP-UHFFFAOYSA-N cumene Chemical compound CC(C)C1=CC=CC=C1 RWGFKTVRMDUZSP-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000001819 mass spectrum Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
Abstract
The utility model discloses a kind of full-automatic total benzene analyzers, including main panel, Vavle switching module, chromatographic column, heating and refrigerating module, gas interface, detector, power supply, MCU controls and communication module and casing, the main panel is equipped with power switch, flow control valve, flowmeter and temperature controller, the heating and refrigerating module include heat temperature raising component and the component that cools, the gas interface includes standard gas interface, zero gas interface, carrier gas interface, sample gas interface, detector waste discharge interface and sample gas waste discharge interface, MCU control and communication module respectively with computer, main panel, Vavle switching module, heating and refrigerating module and detector are electrically connected.The utility model belongs to detecting instrument technical field, and specifically there is provided one kind to be widely used, and has high detection sensitivity, easy to operate, the instrument of total benzene content that can be in continuous detection gas.
Description
Technical field
The utility model belongs to detecting instrument technical field, in particular to a kind of full-automatic total benzene analyzer.
Background technology
Total benzene generally includes the compounds such as benzene, toluene, ethylbenzene, dimethylbenzene, isopropylbenzene, styrene, and benzene is known carcinogenic
Other than object, other compounds also have different degrees of toxicity to human body and biology.It is usually adopted currently, measuring benzene series substances in atmosphere
With first being adsorbed through activated carbon room temperature, after thermal desorption or carbon disulfide solvent desorption, it is detected with gas chromatograph.Wherein inhale
Attached, thermal desorption and etc. by manual operation, it is time-consuming and laborious.If directly detection can not since detection limit is not achieved in sensitivity
Detection can not realize continuous detection and on-line checking.
Utility model content
To solve above-mentioned existing problem, the utility model provides one kind and is widely used, and has high detection sensitivity,
It is easy to operate, the instrument of total benzene content that can be in continuous detection gas.
The technical solution that the utility model is taken is as follows:The utility model automatically total benzene analyzer, including main panel, valve
Handover module, chromatographic column, heating and refrigerating module, gas interface, detector, power supply, MCU controls and communication module and casing,
The main panel is set to casing front panel, the Vavle switching module, chromatographic column, heating and refrigerating module, gas interface, detection
Device, power supply, MCU controls and communication module are set in casing, and the heating and refrigerating module are provided close to the position of chromatographic column, institute
It states main panel and is equipped with power switch, flow control valve, flowmeter and temperature controller, temperature controller is electric with detector and chromatographic column respectively
Connection, the Vavle switching module includes solenoid valve, and the gas interface is connected with air inlet pipeline, and solenoid valve is set to air inlet pipeline
On, air inlet pipeline is connected to chromatographic column, and chromatographic column connect with detector, it is described heat and refrigerating module include heat temperature raising component with
Cool component, and the gas interface includes standard gas interface, zero gas interface, carrier gas interface, sample gas interface, detector waste discharge
Interface and sample gas waste discharge interface, MCU control and communication module respectively with computer, main panel, Vavle switching module, heating
And refrigerating module and detector are electrically connected.
Main panel is equipped with power switch, flow control valve, flowmeter and three temperature controllers, for sample gas and carrier gas
Flow-rate adjustment, three temperature controllers are for adjusting detector, separation chromatography column and adsorption chromatography column temperature.
The power switch of main panel is opened into aft engine and obtains electric, temperature controller work, main panel there are LED numbers to show.
Gas interface has standard gas interface, zero gas interface, carrier gas interface, sample gas interface, detector waste discharge interface and sample
Gas waste discharge interface.Gas enters instrument by this part, and the gas for detecting and having handled accesses waste discharge pipeline by this component.
The Vavle switching module, chromatographic column, heating and refrigerating module, gas interface, detector, power supply, MCU are controlled and are led to
It interrogates module to be set in casing, preferably, Vavle switching module and chromatographic column are set to upper layer in casing, and detector is set in casing
Middle level, power supply and MCU controls and communication module are set to the lower layer in casing.
Further, the flow control valve includes baseline flow measurement adjuster and sample introduction flow regulator;The flowmeter
Including detector flowmeter and absorption flow meter;The temperature controller includes adsorption column temperature controller, detector temperature controller and baseline control
Temperature controller processed;
Baseline flow measurement adjuster is adjusted for carrier gas flux, and carrier gas, by this regulating valve, is set as 80- after voltage stabilizing
100mL/min adjusts rear bearing air-flow device flowmeter after testing;
Sample introduction flow regulator is used to adjust flow when carrier gas sample introduction, and carrier gas is after voltage stabilizing, by this regulating valve, setting
For 80-100mL/min, rear bearing air-flow is adjusted through chromatographic column, enters back into detector;
Detector flowmeter is used to show access into the carrier gas flux of detector, and carrier gas is after voltage stabilizing, by baseline flow measurement
Adjuster or sample introduction flow regulator enter the detector flowmeter, are set as 80-100mL/min, adjust rear bearing air-flow warp
Separation chromatography column or adsorption chromatography column, enter back into detector;
Absorption flow meter is used to show access into the sample gas flow of splitter, and sample gas is after voltage stabilizing, by valve
Handover module enters the absorption flow meter, is set as 200-1500mL/min, sample gas flows through separation chromatography column after adjusting;
Adsorption column temperature controller detaches column temperature control in adsorption process in room for showing and controlling separation column temperature
Temperature is desorbed according to pillar property settings at 200-400 DEG C in sample introduction;
Detector temperature controller keeps constant temperature at 5-20 DEG C, ensures inspection for showing with control detector temperature, set temperature
It is minimum to survey device background thermal noise;
Control line temperature controller enters adsorption chromatography for showing and controlling absorption column temperature, carrier gas after regulating flow
Column, adsorption chromatography column are controlled by this temperature controller in certain temperature constant temperature, and carrier gas later is controlled in free from admixture, constant temperature, constant current
Under state, ensure that baseline is steady.
Further, the solenoid valve is equipped with 7.Certain solenoid valve can also be arranged as required to as correlated measure, and valve refers to
Solenoid valve or flat valve.
Further, the chromatographic column includes separation chromatography column and adsorption chromatography column, including the two or one.
Further, the heat temperature raising component is adsorption column heating coil and splitter heating coil, and cool portion
Part is centrifugal fan;The adsorption column heating coil is set on adsorption chromatography column, and the splitter heating coil is set to separation
In chromatographic column;The air outlet of the centrifugal fan is provided close to the position of separation chromatography column.Sample adsorbed in this module,
The operations such as thermal desorption and sample introduction.For adsorption column heating coil for adjusting carrier gas constant temperature constant-resistance, splitter heating coil is de- for heat
It is attached.Separation chromatography column temperature quickly can be reduced to room temperature by centrifugal fan.
Further, the detector include detector body, chromatographic column SSR, detector SSR, detector cooling fan,
Ultraviolet lamp, ultraviolet lamp power supply, reative cell, film drier and detection control circuit, detector cooling fan are provided close to detector
The position of main body, ultraviolet lamp power supply are electrically connected with ultraviolet lamp, detection control circuit respectively with detector body, chromatographic column SSR, inspection
It surveys device SSR, detector cooling fan, ultraviolet lamp power supply, reative cell, film drier to be electrically connected, the detector further includes detection
Device holder, detector body are set on detector bracket.
Preferably, the detector body is UV vluorescent tester, flame ionization ditector, Mass Spectrometer Method
One kind in device.
Detector be benzene detection core component, the utility model select UV vluorescent tester, also optional hydrogen flame from
Sonization detector (FID) or mass spectrum (MS) detector.UV vluorescent tester has detection sensitivity high, and detection specificity is strong,
Compact, more advantages such as performance stabilization.
Further, the power supply includes valve group power supply, detector and MCU control power supplys.Power supply provides the various of instrument
DC power supply, micro controller unit (MCU) are responsible for parsing host computer order and execute various processing orders and responsible and host computer
Communications detector signal value.
Further, the MCU controls and communication module include MCU controls and telecommunication circuit, detector high-tension circuit.
Further, the main panel is equipped with the portions logo.The portions logo display instrument mark and instrument model.
What the utility model obtained using the above structure has the beneficial effect that:Automatically total benzene analyzer structure is set this programme
Meter is reasonable, and compact is independently installed, easy to operate, is widely used, and has high detection sensitivity, can continuously detect gas
Total benzene content in body.This programme is integrated with on-line period, adjusts pressure flow, room temperature absorption, elevated temperature desorption, sample introduction, analysis
Storage report etc. is in one, and using thermal desorption and Ultraluminescence detection technique, detection sensitivity reaches PPT ranks.Meet
Environment measuring, the conventional and online benzene such as carbon dioxide for foodstuff are analyzed.The utility model can be widely used for gaseous environment measuring station, even
The content of benzene in continuous on-line checking air.Can real-time online detection benzene content for control for carbon dioxide for foodstuff process detect
And finished product detection controls and Instructing manufacture.
Description of the drawings
Fig. 1 is the overall structure diagram of the full-automatic total benzene analyzer of the utility model;
Fig. 2 is the explosive view of the full-automatic total benzene analyzer of the utility model;
Fig. 3 is the interarea plate structure schematic diagram of the full-automatic total benzene analyzer of the utility model;
Fig. 4 is the Vavle switching module and chromatographic column structure schematic diagram of the full-automatic total benzene analyzer of the utility model;
Fig. 5 is the detector structural schematic diagram of the full-automatic total benzene analyzer of the utility model;
Fig. 6 is the utility model automatically the MCU controls of total benzene analyzer and communication module structural schematic diagram;
Fig. 7 is the mechanism block diagram of the full-automatic total benzene analyzer of the utility model;
Fig. 8 is the operating process block diagram of the full-automatic total benzene analyzer of the utility model.
Wherein, 1, main panel, 2, Vavle switching module, 3, chromatographic column, 4, heating and refrigerating module, 5, gas interface, 6, inspection
Survey device, 7, power supply, 8, MCU controls and communication module, 9, casing, 10, power switch, 11, flow control valve, 12, flowmeter,
13, temperature controller, 14, solenoid valve, 15, heat temperature raising component, 16, cool component, 17, baseline flow measurement adjuster, 18, sample introduction
Flow regulator, 19, detector flowmeter, 20, absorption flow meter, 21, adsorption column temperature controller, 22, detector temperature controller, 23,
Control line temperature controller, 24, separation chromatography column, 25, adsorption chromatography column, 26, detector body, 27, chromatographic column SSR, 28, detection
Device SSR, 29, detector cooling fan, 30, ultraviolet lamp, 31, ultraviolet lamp power supply, 32, reative cell, 33, film drier, 34, detection
Control circuit, 35, detector bracket, 36, valve group power supply, 37, detector and MCU control power supply, 38, MCU controls and communication electricity
Road, 39, detector high-tension circuit, 40, the portions logo.
Specific implementation mode
In conjunction with attached drawing, the utility model is described in further details.
As shown in Figs. 1-2, the utility model automatically total benzene analyzer, including main panel 1, Vavle switching module 2, chromatographic column
3, heating and refrigerating module 4, gas interface 5, detector 6, power supply 7, MCU controls and communication module 8 and casing 9, the interarea
Plate 1 be set to 9 front panel of casing, the Vavle switching module 2, chromatographic column 3, heating and refrigerating module 4, gas interface 5, detector 6,
Power supply 7, MCU controls and communication module 8 are set in casing 9, and the heating and refrigerating module 4 are provided close to the position of chromatographic column 3,
As shown in figure 3, the main panel 1 is equipped with power switch 10, flow control valve 11, flowmeter 12 and temperature controller 13, temperature controller
13 are electrically connected with detector 6 and chromatographic column 3 respectively, and the Vavle switching module 2 includes solenoid valve 14, and the gas interface 5 connects
There are air inlet pipeline, solenoid valve 14 to be set on air inlet pipeline, air inlet pipeline is connected to chromatographic column 3, and chromatographic column 3 is connect with detector 6, institute
It includes heat temperature raising component 15 and the component 16 that cools to state heating and refrigerating module 4, and the gas interface 5 connects including standard gas
Mouth, zero gas interface, carrier gas interface, sample gas interface, detector waste discharge interface and sample gas waste discharge interface, MCU control and
Communication module 8 is electrically connected with computer, main panel 1, Vavle switching module 2, heating and refrigerating module 4 and detector 6 respectively.
Wherein, as shown in figure 4, the flow control valve 11 includes baseline flow measurement adjuster 17 and sample introduction flow regulator
18;The flowmeter 12 includes detector flowmeter 19 and absorption flow meter 20;The temperature controller 13 includes adsorption column temperature controller
21, detector temperature controller 22 and control line temperature controller 23;
The baseline flow measurement adjuster 17 is adjusted for carrier gas flux, and carrier gas is after voltage stabilizing by this regulating valve, setting
For 80-100mL/min, rear bearing air-flow device flowmeter 19 after testing is adjusted;
The sample introduction flow regulator 18 is used to adjust flow when carrier gas sample introduction, and carrier gas is after voltage stabilizing, by this adjusting
Valve is set as 80-100mL/min, adjusts rear bearing air-flow through chromatographic column 3, enters back into detector 6;
The detector flowmeter 19 is used to show access into the carrier gas flux of detector 6, and carrier gas is after voltage stabilizing, by base
Linear flow rate adjuster 17 or sample introduction flow regulator 18 enter the detector flowmeter 19, are set as 80-100mL/min, adjust
Rear bearing air-flow is saved after separation chromatography column 24 or adsorption chromatography column 25, enters back into detector 6;
The absorption flow meter 20 is used to show access into the sample gas flow of splitter, sample gas after voltage stabilizing,
Enter the absorption flow meter 20 by Vavle switching module 2, be set as 200-1500mL/min, sample gas flows through point after adjusting
From chromatographic column 24;
The adsorption column temperature controller 21 detaches column temperature control in adsorption process for showing and controlling separation column temperature
In room temperature, it is desorbed at 200-400 DEG C according to pillar property settings in sample introduction;
The detector temperature controller 22 keeps permanent with 6 temperature of control detector, set temperature for showing at 5-20 DEG C
Temperature ensures that detector background thermal noise is minimum;
The control line temperature controller 23 enters absorption for showing and controlling absorption column temperature, carrier gas after regulating flow
Chromatographic column 25, adsorption chromatography column 25 are controlled by this temperature controller in certain temperature constant temperature, and carrier gas later is controlled in free from admixture, perseverance
In the state of temperature, constant current, ensure that baseline is steady.
As shown in figure 4, solenoid valve 14 is equipped with 7.Chromatographic column 3 includes separation chromatography column 24 and adsorption chromatography column 25.It is described
Heat temperature raising component 15 is adsorption column heating coil and splitter heating coil, and the component 16 that cools is centrifugal fan;Institute
Adsorption column heating coil is stated on adsorption chromatography column 25, the splitter heating coil is set on separation chromatography column 24;It is described
The air outlet of centrifugal fan is provided close to the position of separation chromatography column 24.The detector 6 includes detector body 26, chromatography
Column SSR27, detector SSR28, detector cooling fan 29, ultraviolet lamp 30, ultraviolet lamp power supply 31, reative cell 32, film drier
33 are provided close to the position of detector body 26, ultraviolet lamp power supply 31 and purple with detection control circuit 34, detector cooling fan
Outer lamp 30 is electrically connected,
As shown in figure 5, detection control circuit 34 respectively with detector body 26, chromatographic column SSR27, detector SSR28, inspection
It surveys device cooling fan 29, ultraviolet lamp power supply 31, reative cell, film drier 33 to be electrically connected, the detector 6 further includes detector branch
Frame 35, detector body 26 are set on detector bracket 35.The detector body 26 be UV vluorescent tester, hydrogen flame from
One kind in sonization detector, mass detector.As shown in fig. 6, the power supply 7 includes valve group power supply 36, detector and MCU controls
Power supply 37 processed.The MCU controls and communication module 8 include MCU controls and telecommunication circuit 38, detector high-tension circuit 39.It is described
Main panel 1 is equipped with the portions logo 40.
When specifically used, as shown in figure 8, need by zeroing, baseline test and appraisal, absorption, nitrogen protection, heat up holding, into
Sample, cooling and computer preserve step, as shown in fig. 7, testing staff is by computer when using and MCU is controlled and communication module
8 connections, control gas enter instrument by gas interface 5, and through excess pressure, flow-rate adjustment, Vavle switching module 2 reaches chromatographic column
3, it after being heated and cooled down in chromatographic column 3, is detected into detector 6, finally sends data to read on computer and protect
It deposits.
The utility model and embodiments thereof are described above, this description is no restricted, shown in attached drawing
Also be the utility model one of embodiment, actual structure is not limited to this.All in all if this field
Those of ordinary skill is enlightened by it, without deviating from the purpose of the present invention, not inventively design with
The similar frame mode of the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of full-automatic total benzene analyzer, it is characterised in that:Including main panel, Vavle switching module, chromatographic column, heating and cooling
Module, gas interface, detector, power supply, MCU controls and communication module and casing, the main panel are set to casing front panel, institute
Vavle switching module, chromatographic column, heating and refrigerating module, gas interface, detector, power supply, MCU controls and communication module is stated to be set to
In casing, the heating and refrigerating module are provided close to the position of chromatographic column, and the main panel is equipped with power switch, flow tune
Section valve, flowmeter and temperature controller, temperature controller are electrically connected with detector and chromatographic column respectively, and the Vavle switching module includes electromagnetism
Valve, the gas interface are connected with air inlet pipeline, and solenoid valve is set on air inlet pipeline, and air inlet pipeline is connected to chromatographic column, chromatographic column
It is connect with detector, the heating and refrigerating module include heat temperature raising component and the component that cools, the gas interface packet
Standard gas interface, zero gas interface, carrier gas interface, sample gas interface, detector waste discharge interface and sample gas waste discharge interface are included, it is described
MCU is controlled and communication module is electrically connected with computer, main panel, Vavle switching module, heating and refrigerating module and detector respectively.
2. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The flow control valve includes base
Linear flow rate adjuster and sample introduction flow regulator;The flowmeter includes detector flowmeter and absorption flow meter;The temperature control
Device includes adsorption column temperature controller, detector temperature controller and control line temperature controller;
The baseline flow measurement adjuster is adjusted for carrier gas flux, and carrier gas, by this regulating valve, is set as 80- after voltage stabilizing
100mL/min adjusts rear bearing air-flow device flowmeter after testing;
The sample introduction flow regulator is used to adjust flow when carrier gas sample introduction, and carrier gas is after voltage stabilizing, by this regulating valve, setting
For 80-100mL/min, rear bearing air-flow is adjusted through chromatographic column, enters back into detector;
The detector flowmeter is used to show access into the carrier gas flux of detector, and carrier gas is after voltage stabilizing, by baseline flow measurement
Adjuster or sample introduction flow regulator enter the detector flowmeter, are set as 80-100mL/min, adjust rear bearing air-flow warp
Chromatographic column enters back into detector;
The absorption flow meter is used to show access into the sample gas flow of splitter, and sample gas is after voltage stabilizing, by valve
Handover module enters the absorption flow meter, is set as 200-1500mL/min, sample gas flows through chromatographic column after adjusting;
The adsorption column temperature controller detaches column temperature control in adsorption process in room for showing and controlling separation column temperature
Temperature is desorbed according to pillar property settings at 200-400 DEG C in sample introduction;
The detector temperature controller keeps constant temperature at 5-20 DEG C, ensures inspection for showing with control detector temperature, set temperature
It is minimum to survey device background thermal noise;
The control line temperature controller enters chromatographic column, color for showing and controlling absorption column temperature, carrier gas after regulating flow
It composes column to be controlled in certain temperature constant temperature by this temperature controller, carrier gas later is controlled in the state of free from admixture, constant temperature, constant current, is protected
It is steady to demonstrate,prove baseline.
3. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The solenoid valve is equipped with 7.
4. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The chromatographic column includes separation color
Compose column and adsorption chromatography column.
5. a kind of full-automatic total benzene analyzer according to claim 1 or 4, it is characterised in that:The heat temperature raising component
For adsorption column heating coil and splitter heating coil, the component that cools is centrifugal fan;The adsorption column heating coil
On adsorption chromatography column, the splitter heating coil is set on separation chromatography column;The air outlet of the centrifugal fan is set
In close to the position of separation chromatography column.
6. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The detector includes detector
Main body, chromatographic column SSR, detector SSR, detector cooling fan, ultraviolet lamp, ultraviolet lamp power supply, reative cell, film drier and inspection
Control circuit is surveyed, detector cooling fan is provided close to the position of detector body, and ultraviolet lamp power supply is electrically connected with ultraviolet lamp, inspection
Survey control circuit respectively with detector body, chromatographic column SSR, detector SSR, detector cooling fan, ultraviolet lamp power supply, react
Room, film drier are electrically connected, and the detector further includes detector bracket, and detector body is set on detector bracket.
7. a kind of full-automatic total benzene analyzer according to claim 6, it is characterised in that:The detector body is ultraviolet
One kind in fluorescence detector, flame ionization ditector, mass detector.
8. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The power supply includes valve group electricity
Source, detector and MCU control power supply.
9. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The MCU controls and communication mould
Block includes MCU controls and telecommunication circuit, detector high-tension circuit.
10. a kind of full-automatic total benzene analyzer according to claim 1, it is characterised in that:The main panel is equipped with
The portions logo.
Priority Applications (1)
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CN201820071371.2U CN207689443U (en) | 2018-01-17 | 2018-01-17 | A kind of full-automatic total benzene analyzer |
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CN201820071371.2U CN207689443U (en) | 2018-01-17 | 2018-01-17 | A kind of full-automatic total benzene analyzer |
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Publication Number | Publication Date |
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CN207689443U true CN207689443U (en) | 2018-08-03 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108226368A (en) * | 2018-01-17 | 2018-06-29 | 韩军 | A kind of full-automatic total benzene analyzer |
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2018
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108226368A (en) * | 2018-01-17 | 2018-06-29 | 韩军 | A kind of full-automatic total benzene analyzer |
CN108226368B (en) * | 2018-01-17 | 2024-02-13 | 韩军 | Full-automatic total benzene analyzer |
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