CN109932435A - A kind of soil VOCs environmental protection tests method and environmental protection tests device - Google Patents
A kind of soil VOCs environmental protection tests method and environmental protection tests device Download PDFInfo
- Publication number
- CN109932435A CN109932435A CN201711367889.7A CN201711367889A CN109932435A CN 109932435 A CN109932435 A CN 109932435A CN 201711367889 A CN201711367889 A CN 201711367889A CN 109932435 A CN109932435 A CN 109932435A
- Authority
- CN
- China
- Prior art keywords
- vocs
- soil
- environmental protection
- heating element
- protection tests
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention relates to a kind of soil VOCs environmental protection tests devices, it include: VOCs acquisition equipment and VOCs measuring device, the VOCs acquisition equipment includes drill bit, casing, pushing ram and motor, the VOCs measuring device is gas chromatograph, the VOCs of its volatilization for receiving VOCs acquisition equipment acquisition, measure the content of wherein various Volatile Organic Components, it can export the VOCs of volatilization not carrier gas or air extractor, it can be improved the detection accuracy of VOCs simultaneously, when the heating element in environmental protection tests device when something goes wrong, it can be by extracting pushing ram, then replacing corresponding heating element makes it work again, heating column is equipped with protecting crust, it can prevent heating column from leading to chain rupture in pushing ram movement in this way.
Description
Technical field
The present invention relates to a kind of environmental protection tests technologies, more particularly, to one kind of Volatile Organic Compounds in Soil VOCs a kind of
Soil VOCs environmental protection tests device.
Background technique
Pollutant in soil not only includes the heavy metals such as mercury, chromium, lead, cadmium, arsenic, nickel, it is also possible to contain benzene homologues, chloro
The inorganic matters such as the organic matters such as hydro carbons, petroleum hydrocarbon, polycyclic aromatic hydrocarbon, pesticide, Polychlorinated biphenyls and cyanide and corrosive ion.It is raw
Raw material, intermediate product, catalyst or final product during production etc. may all be such that soil is contaminated.It is living by long-term industry
Dynamic to influence, land pollution shows as organic and inorganic compounding contamination characteristics mostly.
Common includes Volatile Organohalides class, benzene series species, chlorine to the volatile organic contaminant of human health
For benzene class etc..Therefore, being detected to the volatile organic matter in soil has important role to the prevention and treatment of pollution.With agriculture
Medicine, a large amount of of organic solvent use and the discharge of a large amount of waste water, waste, and volatile organic contaminant (VOCs) is to soil, heavy
The serious pollution of product object, earth's surface and underground water source and the ecosystem becomes a generally existing environmental problem.
Volatile organic matter refers at normal temperature, the various organic compounds that 50 DEG C~260 DEG C of boiling point.VOCs enters soil
And in ground water regime after, will affect the growth of crops and destroy vegetation, seriously endanger the health of people.It is main
Reason be into the VOCs in soil quantity and speed be more than soil carrying capacity and purification speed, make the property of soil
Matter, composition and character etc. change, and keep the cumulative process of pollutant gradually dominant.Therefore, have to the volatility in soil
Machine object (VOCs), which is detected, has important role to the prevention and treatment of pollution.
Currently, the analysis for VOCs includes Laboratory Instruments analysis and field instrumentation detection two ways.VOCs tool
The characteristics of having highly volatile and being lost, therefore, although Laboratory Instruments analysis can be accurate to VOCs qualitative and quantitative, sample
The possibility of sample volatilization is considerably increased by multiple intermediate links such as transport, preservations, analysis result lacks timeliness, at
This is higher, needs to research and develop the real-time quick analytical equipment of live VOCs.
Summary of the invention
The object of the present invention is to provide a kind of soil VOCs environmental protection tests devices, being capable of not carrier gas or air extractor
The VOCs of volatilization can be exported, while can be improved the detection accuracy of VOCs, when the heating element in environmental protection tests device goes out
It, can be by extracting pushing ram when existing problem, then replacing corresponding heating element makes it work again.
To achieve the above object, the invention provides the following technical scheme: a kind of soil VOCs environmental protection tests device, comprising:
VOCs acquires equipment and VOCs measuring device,
The VOCs acquisition equipment includes drill bit, casing, pushing ram and motor；The drill bit is for piercing set depth
Soil, the heating element heated for soil is arranged inside, the pushing ram is connected and is driven by motor with drill bit,
For driving drill bit to pierce in soil；Described sleeve pipe is set to outside the pushing ram, the air-flow of the interior VOCs for forming volatilization
Channel, described pushing ram one end are equipped with resettlement groove, and the heating element is arranged in resettlement groove, also to downward on the resettlement groove
Stretching has heating column, and the heating column is connect with drill bit；
The VOCs measuring device is gas chromatograph, receives the VOCs of the volatilization of VOCs acquisition equipment acquisition, measurement
The wherein content of various Volatile Organic Components.
Further, protecting crust is also arranged on the heating column.
Further, the heating element is adding thermal resistance.
A kind of soil VOCs environmental protection tests method, includes the following steps:
Step 1: the Volatile Organic Components for needing to detect are inputted by human-computer interaction device；
Step 2: controller determines the highest volatile organic matter of boiling point in the Volatile Organic Components for needing to detect
Ingredient；
Step 3: controller determines the heating temperature of heating element according to the highest Volatile Organic Components of boiling point；
Step 4: drill bit is drilled into the specified investigation depth in soil by motor；
Step 5: controller open air container and VOCs acquisition equipment between first switch, close air container with
The temperature of heating element is heated to heating temperature by the second switch between VOCs measuring device；
Step 6: the temperature of temperature sensor on controller monitoring heating element reaches heating temperature simultaneously in heating element
And after being continued above specific time, the first switch between air container and VOCs acquisition equipment is closed；
Step 7: controller opens the second switch between air container and VOCs measuring device, passes through gas chromatograph
Measure the content of VOCs ingredient.
Further, the specific time is-minute.
Further, boiling point Gao-degree of heating temperature Volatile Organic Components more highest than the boiling point.
It compared with prior art, being capable of not carrier gas the beneficial effects of the present invention are: a kind of soil VOCs environmental protection tests device
Or air extractor can export the VOCs of volatilization, while can be improved the detection accuracy of VOCs, when in environmental protection tests device
Heating element when something goes wrong, can by extract pushing ram, then replacing corresponding heating element makes it carry out work again
Make, heating column is equipped with protecting crust, can prevent heating column from leading to chain rupture in pushing ram movement in this way.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of soil VOCs environmental protection tests device of embodiment 1；
Fig. 2 is a kind of workflow schematic diagram of soil VOCs environmental protection tests device of embodiment 2.
In appended drawing reference: 1.VOCs acquires equipment；2.VOCs measuring device；3. drill bit；4 casings；5. pushing ram；6. electricity
Machine；7. heating element；8. resettlement groove；9. heating column；10. protecting crust；11. leading controller；12. air container.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment one:
As shown in Figs. 1-2, provided in this embodiment includes: a kind of soil VOCs environmental protection tests device, and VOCs acquires equipment 1
And VOCs measuring device 2, the VOCs acquisition equipment 1 includes drill bit 3, casing 4, pushing ram 5 and motor 6；The drill bit 3
For piercing the soil of set depth, the heating element 7 heated for soil, the pushing ram 5 and drill bit 3 is arranged inside
It is connected and is driven by motor 6, for drives drill bit 3 to pierce in soil；Described sleeve pipe 4 is set to outside the pushing ram 5,
The airflow channel of the interior VOCs for forming volatilization, described 5 one end of pushing ram are equipped with resettlement groove 8, and the setting of heating element 7 is disposing
In slot 8, heating column 9 is also extended downwardly on the resettlement groove 8, the heating column 9 is connect with 3 end of drill bit, the VOCs measurement
Equipment 2 is gas chromatograph, receives the VOCs for the volatilization that VOCs acquisition equipment 1 acquires, wherein various volatility are organic for measurement
The content of object ingredient, is also arranged with protecting crust 10 on the heating column 9, and the heating element 7 is adding thermal resistance.
A kind of soil VOCs environmental protection tests device provided by the present embodiment, can not carrier gas or air extractor
The VOCs of volatilization is exported, while can be improved the detection accuracy of VOCs, when the heating element 7 in environmental protection tests device goes wrong
When, it can be by extracting pushing ram 5, then replacing corresponding heating element 7 makes it work again, and heating column 9 is equipped with
Protecting crust 10 can prevent heating column 9 from leading to chain rupture when pushing ram 5 moves in this way.
A kind of soil VOCs environmental protection tests method, includes the following steps: provided by the present embodiment
Step 1: the Volatile Organic Components for needing to detect are inputted by human-computer interaction device；
Step 2: controller 11 determines that the highest volatility of boiling point in the Volatile Organic Components for needing to detect is organic
Object ingredient；
Step 3: controller 11 determines the heating temperature of heating element 7 according to the highest Volatile Organic Components of boiling point；
Step 4: drill bit 3 is drilled into the specified investigation depth in soil by motor 6；
Step 5: controller 11 opens the first switch between air container 12 and VOCs acquisition equipment 1, closes gas storage and holds
The temperature of heating element 7 is heated to heating temperature by the second switch between device 12 and VOCs measuring device 2；
Step 6: controller 11 monitors the temperature of temperature sensor on heating element 7, reaches heating temperature in heating element 7
After spending and being continued above specific time, the first switch between air container 12 and VOCs acquisition equipment 1 is closed；
Step 7: controller 11 opens the second switch between air container 12 and VOCs measuring device 2, passes through gas phase color
Spectrometer measures the content of VOCs ingredient, and the specific time is 6-8 minutes, heating temperature volatilization more highest than the boiling point
The high 35-45 degree of boiling point of property organic components.
Claims (6)
1. a kind of soil VOCs environmental protection tests device characterized by comprising VOCs acquisition equipment (1) and VOCs measurement are set
Standby (2),
VOCs acquisition equipment (1) includes drill bit (3), casing (4), pushing ram (5) and motor (6)；The drill bit (3) is used
In the soil for piercing set depth, the heating element (7) heated for soil, the pushing ram (5) and brill is arranged inside
Head (3) is connected and is driven by motor (6), for driving drill bit (3) to pierce in soil；Described sleeve pipe (4) is set to described push away
External into bar (5), the airflow channel of the interior VOCs for forming volatilization, described pushing ram (5) one end is equipped with resettlement groove (8), described
Heating element (7) setting has also extended downwardly heating column (9), the heating column on the resettlement groove (8) in resettlement groove (8)
(9) it is connected with drill bit (3) end；
The VOCs measuring device (2) is gas chromatograph, receives the VOCs of the volatilization of VOCs acquisition equipment (1) acquisition, surveys
The content of fixed wherein various Volatile Organic Components.
2. a kind of soil VOCs environmental protection tests device according to claim 1, which is characterized in that be located at the heating column
(9) protecting crust (10) are also arranged on.
3. a kind of soil VOCs environmental protection tests device according to claim 1, which is characterized in that the heating element (7)
For adding thermal resistance.
4. a kind of soil VOCs environmental protection tests method, which comprises the steps of:
Step 1: the Volatile Organic Components for needing to detect are inputted by human-computer interaction device；
Step 2: controller (11) determines the highest volatile organic matter of boiling point in the Volatile Organic Components for needing to detect
Ingredient；
Step 3: controller (11) determines the heating temperature of heating element (7) according to the highest Volatile Organic Components of boiling point；
Step 4: drill bit (3) is drilled into the specified investigation depth in soil by motor (6)；
Step 5: controller (11) opens the first switch between air container (12) and VOCs acquisition equipment (1), closes gas storage
The temperature of heating element (7) is heated to heating temperature by the second switch between container (12) and VOCs measuring device (2)；
Step 6: controller (11) monitors the temperature of temperature sensor on heating element (7), reaches heating in heating element (7)
Temperature and after being continued above specific time, closes air container (12) and VOCs acquires first switch between equipment (1)；
Step 7: controller (11) opens the second switch between air container (12) and VOCs measuring device (2), passes through gas phase
The content of chromatograph measurement VOCs ingredient.
5. soil VOCs environmental protection tests method according to claim 4, which is characterized in that the specific time is 6-8 points
Clock.
6. soil VOCs environmental protection tests method according to claim 5, which is characterized in that the heating temperature is than the boiling
The high 35-45 degree of boiling point of the highest Volatile Organic Components of point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367889.7A CN109932435A (en) | 2017-12-18 | 2017-12-18 | A kind of soil VOCs environmental protection tests method and environmental protection tests device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711367889.7A CN109932435A (en) | 2017-12-18 | 2017-12-18 | A kind of soil VOCs environmental protection tests method and environmental protection tests device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109932435A true CN109932435A (en) | 2019-06-25 |
Family
ID=66982853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711367889.7A Pending CN109932435A (en) | 2017-12-18 | 2017-12-18 | A kind of soil VOCs environmental protection tests method and environmental protection tests device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109932435A (en) |
-
2017
- 2017-12-18 CN CN201711367889.7A patent/CN109932435A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104181284B (en) | A kind of Volatile Organic Compounds in Soil continuous detection apparatus and detection method thereof | |
| CN202649200U (en) | Water quality organic matter monitor pre-warning system | |
| CN107340152A (en) | A kind of soil volatile organic matter environmental protection tests device | |
| CN103926362A (en) | Quantitative detection method for pyrethriods pesticide in soil | |
| Donaldson | Trace organics in water | |
| Yi et al. | Characterization of organic composition in snow and surface waters in the Athabasca Oil Sands Region, using ultrahigh resolution Fourier transform mass spectrometry | |
| CN107084862B (en) | A kind of soil VOCs environmental protection tests device | |
| CN107290462A (en) | A kind of detection method of uncontrollable discharge volatile organic matter | |
| Liden et al. | Analytical methods for the comprehensive characterization of produced water | |
| CN107238562A (en) | The infiltrative detection method of safety clothes chemical-resistant resistance | |
| CN109932435A (en) | A kind of soil VOCs environmental protection tests method and environmental protection tests device | |
| Horst et al. | Fluorescent dyes: A new weapon for conquering DNAPL characterization | |
| CN107219314B (en) | Environment-friendly detection method and environment-friendly detection device for soil VOCs | |
| Capelli et al. | Monitoring odour emisssions from an oil & gas plant: Electronic nose performance testing in the field | |
| Devine et al. | Development and testing of a field screening method based on bubbling extraction and photoionization detection for measurement of benzene and total VOCs | |
| Kurup | Novel technologies for sniffing soil and ground water contaminants | |
| Water | Community update | |
| Adamson et al. | Laboratory validation study of new vapor‐phase‐based approach for groundwater monitoring | |
| Levei et al. | Validation of petroleum hydrocarbons determination in soil by Fourier transform infrared spectroscopy. | |
| Hewitt et al. | PID‐based estimation of the concentration of aromatic and chlorinated VOCs in soil | |
| Hoshowski et al. | Inhibitor Partitioning Efficiency Using Fluorescence Spectroscopy Detection | |
| Keasler | Real-Time Field Monitoring To Optimize Microbe Control | |
| Koh et al. | An Approach Using Gas Monitoring to Find the Residual TCE Location in the Unsaturated Zone of Woosan Industrial Complex (WIC), Korea | |
| Li et al. | Application of raman spectroscopy to detecting organic contaminant in water | |
| Monger et al. | Using a gas-phase tracer test to characterize the impact of landfill gas generation on advective-dispersive transport of VOCs in the vadose zone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190625 |
|
| WD01 | Invention patent application deemed withdrawn after publication |