CN107340152A - A kind of soil volatile organic matter environmental protection tests device - Google Patents
A kind of soil volatile organic matter environmental protection tests device Download PDFInfo
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- CN107340152A CN107340152A CN201710553218.3A CN201710553218A CN107340152A CN 107340152 A CN107340152 A CN 107340152A CN 201710553218 A CN201710553218 A CN 201710553218A CN 107340152 A CN107340152 A CN 107340152A
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- vocs
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- heating element
- element heater
- environmental protection
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- 239000002689 soil Substances 0.000 title claims abstract description 61
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 230000007613 environmental effect Effects 0.000 title claims abstract description 20
- 239000005416 organic matter Substances 0.000 title description 5
- 239000012855 volatile organic compound Substances 0.000 claims abstract description 91
- 238000010438 heat treatment Methods 0.000 claims abstract description 48
- 238000009413 insulation Methods 0.000 claims abstract description 20
- 239000000203 mixture Substances 0.000 claims description 13
- 238000009835 boiling Methods 0.000 claims description 11
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 9
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- YNQLUTRBYVCPMQ-UHFFFAOYSA-N Ethylbenzene Chemical compound CCC1=CC=CC=C1 YNQLUTRBYVCPMQ-UHFFFAOYSA-N 0.000 claims description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 4
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims description 4
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 3
- JOLQKTGDSGKSKJ-UHFFFAOYSA-N 1-ethoxypropan-2-ol Chemical compound CCOCC(C)O JOLQKTGDSGKSKJ-UHFFFAOYSA-N 0.000 claims description 2
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 claims description 2
- NTIZESTWPVYFNL-UHFFFAOYSA-N Methyl isobutyl ketone Chemical compound CC(C)CC(C)=O NTIZESTWPVYFNL-UHFFFAOYSA-N 0.000 claims description 2
- UIHCLUNTQKBZGK-UHFFFAOYSA-N Methyl isobutyl ketone Natural products CCC(C)C(C)=O UIHCLUNTQKBZGK-UHFFFAOYSA-N 0.000 claims description 2
- 150000002148 esters Chemical class 0.000 claims description 2
- 238000005259 measurement Methods 0.000 claims description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 2
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims 1
- 229910052782 aluminium Inorganic materials 0.000 claims 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 claims 1
- 229940011051 isopropyl acetate Drugs 0.000 claims 1
- GWYFCOCPABKNJV-UHFFFAOYSA-N isovaleric acid Chemical compound CC(C)CC(O)=O GWYFCOCPABKNJV-UHFFFAOYSA-N 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 229910052710 silicon Inorganic materials 0.000 claims 1
- 239000010703 silicon Substances 0.000 claims 1
- 239000007787 solid Substances 0.000 description 10
- 238000001514 detection method Methods 0.000 description 8
- 239000007789 gas Substances 0.000 description 5
- 238000004458 analytical method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 241001124569 Lycaenidae Species 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 150000001555 benzenes Chemical class 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- YKYONYBAUNKHLG-UHFFFAOYSA-N propyl acetate Chemical compound CCCOC(C)=O YKYONYBAUNKHLG-UHFFFAOYSA-N 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- QOSMNYMQXIVWKY-UHFFFAOYSA-N Propyl levulinate Chemical compound CCCOC(=O)CCC(C)=O QOSMNYMQXIVWKY-UHFFFAOYSA-N 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 125000001309 chloro group Chemical group Cl* 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 125000005575 polycyclic aromatic hydrocarbon group Chemical group 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
- G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N30/00—Investigating or analysing materials by separation into components using adsorption, absorption or similar phenomena or using ion-exchange, e.g. chromatography or field flow fractionation
- G01N30/02—Column chromatography
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
A kind of soil VOCs environmental protection tests devices, including：VOCs collecting devices and VOCs measuring apparatus；The VOCs acquisition components include drill bit, sleeve pipe, pushing ram, and motor；Drill bit is used for the soil for piercing set depth, the heating element heater that setting is heated for soil in it；The pushing ram is connected with drill bit and driven by motor, for driving drill bit to pierce in soil；Sleeve pipe is arranged at outside pushing ram, and the VOCs of volatilization gas channel is formed in it；VOCs measuring apparatus is gas chromatograph, and it receives the VOCs of the volatilization of VOCs collecting devices collection, determines the content of wherein various Volatile Organic Components；Heating element heater is arranged at the round platform position in the drill bit, and heating element heater side sets heat insulation layer, and the heat insulation layer can move up, and heating element heater is heated for soil.
Description
Technical field
The present invention relates to a kind of environmental protection tests technology, more particularly, to a kind of the continuous of Volatile Organic Compounds in Soil VOCs
Detection means.
Background technology
Pollutant in soil not only includes the heavy metals such as mercury, chromium, lead, cadmium, arsenic, nickel, it is also possible to contains benzene homologues, chloro
The organic matters such as hydro carbons, petroleum hydrocarbon, polycyclic aromatic hydrocarbon, agricultural chemicals, Polychlorinated biphenyls, and the inorganic matter such as cyanide and corrosive ion.It is raw
Raw material, intermediate product, catalyst or final product during production etc. may all be contaminated soil.It is living by long-term industry
Dynamic to influence, land pollution shows as organic and inorganic compounding contamination characteristics mostly.
The common volatile organic contaminant to human health includes Volatile Organohalides class, benzene series species, chlorine
For benzene class etc..Therefore, the volatile organic matter in soil is detected the preventing and treating to pollution play the role of it is important.With agriculture
Medicine, a large amount of uses of organic solvent and a large amount of waste water, the discharge of waste, volatile organic contaminant (VOCs) is to soil, heavy
The serious pollution of product thing, earth's surface and underground water source and the ecosystem turns into the environmental problem of a generally existing.
Volatile organic matter refers at normal temperatures, the various organic compounds that 50 DEG C~260 DEG C of boiling point.VOCs enters soil
And in ground water regime after, the growth of crops can be influenceed and destroy vegetation, seriously endanger the health of people.Its is main
Reason makes the property of soil to have exceeded the carrying capacity and purification speed of soil into the quantity and speed of the VOCs in soil
Matter, composition and character etc. change, and make the cumulative process of pollutant gradually dominant.Therefore, have to the volatility in soil
The preventing and treating that machine thing (VOCs) is detected to pollution plays the role of important.
At present, the analysis for VOCs includes Laboratory Instruments analysis and field instrumentation detects two ways.VOCs has
The characteristics of having highly volatile and being lost in, therefore, although Laboratory Instruments analysis can be accurate to VOCs qualitative and quantitative, sample
Product will pass through multiple intermediate links such as transport, preservation, considerably increase the possibility of sample volatilization, and analysis result lacks promptness,
High expensive is, it is necessary to research and develop the real-time analytical equipments of live VOCs.
In the prior art, 201410330499.2 patent of invention puts forward a kind of Volatile Organic Compounds in Soil and continuously examined
Device is surveyed, by the specified location for piercing VOCs harvesters in soil, passes through the heating element heats soil in harvester
Earth makes VOSs volatilize, and the VOCs of volatilization is carried into gas chromatograph VOCs analytical equipments by the carrier gas in harvester, from
And detect VOCs contents in soil.However, because the boiling point of different VOCs compositions is different, and heating element heater is reached from beginning to warm up
Certain time is needed to target temperature, therefore lower boiling VOCs compositions volatilize first, cause the measurement incipient stage lower boiling
VOCs composition detections value is higher, and the lower boiling VOCs composition detections value of follow-up phase is relatively low.
In order to solve the above problems, earlier application proposes a kind of improved Volatile Organic Compounds in Soil and continuously detects dress
Put, air container is set between VOCs harvesters and VOCs analytical equipments, collect the VOCs of volatilization after beginning to warm up
Into air container, after VOCs volatilizations in soil, the VOCs in air container is led into VOCs analytical equipments and examined
Survey.But the device needs to set air container, and need to measure after VOCs in soil is volatilized.
The content of the invention
The invention provides a kind of improved soil VOCs environmental protection tests devices, air container and not can be not provided with
Need can just to carry out the detection of VOCs compositions after VOCs in soil is volatilized.
As one aspect of the present invention, there is provided a kind of soil VOCs environmental protection tests devices, including：VOCs collecting devices
And VOCs measuring apparatus；The VOCs acquisition components include drill bit, sleeve pipe, pushing ram, and motor；The drill bit is used to bore
Enter the soil of set depth, the heating element heater that setting is heated for soil in it；The pushing ram be connected with drill bit and
Driven by motor, for driving drill bit to pierce in soil；Described sleeve pipe is arranged at outside the pushing ram, and volatilization is formed in it
VOCs gas channel；The VOCs measuring apparatus is gas chromatograph, and it receives the volatilization of VOCs collecting devices collection
VOCs, determine the content of wherein various Volatile Organic Components；The heating element heater is arranged at the round platform portion in the drill bit
Position, heating element heater top, lower section and the side set heat insulation layer respectively, and its side is anchor ring, and the anchor ring is section and institute
State round platform bottom surface identical cylindrical side；The side heat insulation layer of the heating element heater can move up, and make the heating element heater
It can be heated for soil.
Preferably, the heat insulation layer includes high temperature thermal insulation material.
Preferably, the high temperature thermal insulation material is alumina silicate fibre or silica fibre.
Preferably, the drill bit includes Part I, Part II and Part III；The Part I is taper,
Positioned at drill end, it is arranged to solid construction；The Part II is truncated cone-shaped, and in the middle part of drill bit, it is arranged to hollow,
Its internal setting heating element heater；Part III is frustum cone structure, and positioned at drill bit afterbody, its anchor ring sets air-vent.
Preferably, the Part III includes the solid section and periphery at center, and the solid portion cross-section is
Cylinder, its top are fixed with the pushing ram, and the periphery is hollow-core construction, and it forms the VOCs's to volatilize with sleeve pipe
Acquisition channel.
Preferably, the Part III solid section outer surface sets external screw thread, the Part III solid section and
The sleeve pipe that side heat insulation layer with the heating element heater is fixed, the side heat insulation layer of the heating element heater are set outside the pushing ram
Inner surface setting internal thread, the side heat insulation layer of the heating element heater can be moved up by rotating described sleeve pipe, so as to
Expose the heating element heater.
Preferably, when soil VOCs is detected, first the side heat insulation layer of the heating element heater is moved down, makes described add
Thermal element is adiabatic；After the temperature of the heating element heater reaches its heating-up temperature, by the side heat insulation layer of the heating element heater to
Upper movement, expose the heating element heater.
Preferably, the heating-up temperature is higher 50~100 degree than the VOCs composition mid-boiling point highests VOC for needing to detect.
Preferably, the air-vent is sealed by waterproof ventilated membrane.
Preferably, the heating element heater is resistance wire.
Preferably, it is different to include methanol, ethanol, isopropanol, acetone, normal propyl alcohol, butanone, ethyl acetate, acetic acid by the VOCs
The positive fourth of propyl ester, n-butanol, benzene, propylene glycol monomethyl ether, n-propyl acetate, 4-methyl-2 pentanone, propylene-glycol ethyl ether, toluene, acetic acid
One or more in ester, ethylbenzene, dimethylbenzene, cyclohexanone.
Preferably, in addition to human-computer interaction device, it is used to input the VOCs compositions that needs detect.
Preferably, the human-computer interaction device can also export the testing result of VOCs measuring apparatus.
As another aspect of the present invention, there is provided the detection method of above-mentioned soil VOCs environmental protection tests devices, including
Following steps：（1）The Volatile Organic Components for needing to detect are inputted by human-computer interaction device；（2）Controller determines to need
Boiling point highest Volatile Organic Components in the Volatile Organic Components of detection；（3）Controller is according to boiling point highest
Volatile Organic Components determine the heating-up temperature of heating element heater；（4）The specified detection that drill bit is drilled into soil by motor is deep
Degree；（5）The side heat insulation layer of heating element heater is moved down, makes the heating element heater adiabatic with soil；（6）Controller monitoring adds
The temperature of temperature sensor on thermal element, it is after heating element heater reaches heating-up temperature, the side heat insulation layer of heating element heater is upward
It is mobile, the heating element heater is heated soil；（7）The VOCs of volatilization reaches VOCs measuring apparatus by acquisition channel,
The content of VOCs compositions is measured by gas chromatograph.
Brief description of the drawings
Fig. 1 is the schematic diagram of the VOCs collecting devices in one embodiment of the invention.
Fig. 2 is the schematic diagram of the VOCs collecting device part-structure different conditions of one embodiment of the invention.
Fig. 3 is the soil VOCs environmental protection tests device overhaul flow charts of the embodiment of the present invention.
Embodiment
In order to illustrate more clearly of technical scheme, embodiment will be used simply to be situated between the present invention below
Continue, it should be apparent that, in describing below is only one embodiment of the present of invention, is come for those of ordinary skill in the art
Say, without having to pay creative labor, other technical schemes can also be obtained according to these embodiments, fallen within
Disclosure of the invention scope.
The soil VOCs environmental protection tests devices of the embodiment of the present invention, are detected for VOCs in soil, including：VOCs collections are set
Standby 100 and VOCs measuring apparatus.Referring to Fig. 1, VOCs collecting devices 100 include drill bit 10, sleeve pipe 20, pushing ram 30, and
Motor（It is not shown）.Drill bit 10 is used for the soil for piercing set depth, the heating element heater that setting is heated for soil in it.
Drill bit 10 includes Part I 11, Part II 12 and Part III 13, Part I 11, Part II 12 and the 3rd
Points 13 can be for example, by being welded together.Part I 11 is taper, and positioned at the top of drill bit 10, it is arranged to solid knot
Structure.Part II 12 is truncated cone-shaped, and positioned at the middle part of drill bit 10, it is arranged to hollow, its internal setting heating element heater 121, is used for
Heated for the soil around Part II 12.Heating element heater 121 can be such as resistance wire.Part III 13 is round platform
Structure, positioned at the afterbody of drill bit 10, its anchor ring sets air-vent, and for importing the VOCs of soil heating volatilization, air-vent is by waterproof
Ventilated membrane seals.Part III includes the solid section 131 and periphery 132 at center, and the section of solid section 131 is cylinder
Shape, top are fixed with pushing ram 30, and periphery 132 is hollow-core construction, and its VOCs for forming volatilization with sleeve pipe 20 collection is led to
Road 21.
Referring to Fig. 2 a, the top of heating element heater 121, lower section and side set heat insulation layer 122,123 and 124 respectively, absolutely
Thermosphere includes high temperature thermal insulation material, can be such as alumina silicate fibre or silica fibre.Side 124 is anchor ring, and the anchor ring is to cut
Face and the round platform bottom surface identical cylindrical side of Part II 12.The outer surface of 13 solid section of Part III 131 sets external screw thread, the
The sleeve pipe fixed with the side heat insulation layer 124 of heating element heater 121 is set outside the solid section 131 of three parts 13 and pushing ram 30
130, the inner surface setting internal thread of side heat insulation layer 124 of heating element heater 121 can be by heating element heater by revoling tube 130
121 side heat insulation layer 124 moves up, referring to Fig. 2 b, so that heating element heater 121 exposes, so as to be heated to soil.
The detection method of the soil VOCs environmental protection tests devices of the embodiment of the present invention, referring to Fig. 3, comprises the following steps：（1）
The Volatile Organic Components for needing to detect are inputted by human-computer interaction device；（2）Controller determines to need the volatility detected
Boiling point highest Volatile Organic Components in organic components；（3）Controller is according to boiling point highest volatile organic matter
Composition determines the heating-up temperature of heating element heater；（4）Drill bit is drilled into the specified investigation depth in soil by motor；（5）Will heating
The side heat insulation layer of element moves down, and makes the heating element heater adiabatic with soil；（6）Temperature on controller monitoring heating element heater
The temperature of sensor, after heating element heater reaches heating-up temperature, the side heat insulation layer of heating element heater is moved up, make described add
Thermal element heats to soil；（7）The VOCs of volatilization reaches VOCs measuring apparatus by acquisition channel, passes through gas chromatograph
Measure the content of VOCs compositions.
The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, although with reference to above-described embodiment pair
The present invention is described in detail, those of ordinary skills in the art should understand that：Still can be to the specific of the present invention
Embodiment is modified or equivalent substitution, and without departing from any modification of spirit and scope of the invention or equivalent substitution,
It all should cover among scope of the presently claimed invention.
Claims (9)
1. a kind of soil VOCs environmental protection tests devices, including：VOCs collecting devices and VOCs measuring apparatus；The VOCs collections
Part includes drill bit, sleeve pipe, pushing ram, and motor；The drill bit is used to pierce the soil of set depth, set in it for
The heating element heater that soil is heated；The pushing ram is connected with drill bit and driven by motor, for driving drill bit to pierce soil
In earth；Described sleeve pipe is arranged at outside the pushing ram, and the VOCs of volatilization gas channel is formed in it；The VOCs measurements are set
Standby be gas chromatograph, and it receives the VOCs of the volatilization of VOCs collecting devices collection, the wherein various volatile organic matters of measure into
The content divided；It is characterized in that：The heating element heater is arranged at the round platform position in the drill bit, above the heating element heater,
Lower section and side set heat insulation layer respectively, and its side is anchor ring, and the anchor ring is section and the round platform bottom surface identical cylinder
Side；The side of the heating element heater can move up, and the heating element heater is heated for soil.
2. soil VOCs environmental protection tests devices according to claim 1, it is characterised in that：It is exhausted that the heat insulation layer includes high temperature
Hot material.
3. soil VOCs environmental protection tests devices according to claim 2, it is characterised in that：The high temperature thermal insulation material is silicon
Sour aluminum fiber or silica fibre.
4. soil VOCs environmental protection tests devices according to claim 3, it is characterised in that：The heating-up temperature ratio needs to examine
The VOCs composition mid-boiling point highests VOC of survey is high 50~100 degree.
5. soil VOCs environmental protection tests devices according to claim 4, it is characterised in that：The air-vent is by waterproof and breathable
Film seals.
6. soil VOCs environmental protection tests devices according to claim 5, it is characterised in that：The heating element heater is resistance
Silk.
7. soil VOCs environmental protection tests devices according to claim 6, it is characterised in that：The VOCs includes methanol, second
Alcohol, isopropanol, acetone, normal propyl alcohol, butanone, ethyl acetate, isopropyl acetate, n-butanol, benzene, propylene glycol monomethyl ether, acetic acid positive third
It is a kind of or more in ester, 4-methyl-2 pentanone, propylene-glycol ethyl ether, toluene, n-butyl acetate, ethylbenzene, dimethylbenzene, cyclohexanone
Kind.
8. soil environmental protection tests device according to claim 7, it is characterised in that：Also include human-computer interaction device, it is used
In the VOCs compositions that input needs to detect.
9. soil VOCs environmental protection tests devices according to claim 8, it is characterised in that：The human-computer interaction device can also
Enough testing results by VOCs measuring apparatus export.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710553218.3A CN107340152B (en) | 2017-07-08 | 2017-07-08 | Soil volatile organic compounds environmental protection detection device |
Applications Claiming Priority (1)
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Cited By (6)
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| CN108107189A (en) * | 2017-12-14 | 2018-06-01 | 百奥森（江苏）食品安全科技有限公司 | A kind of ambient soil detection device |
| CN108226269A (en) * | 2017-11-21 | 2018-06-29 | 上海裕达实业有限公司 | For the original position of Volatile Organic Compounds in Soil, rapid detection method and device |
| CN108918826A (en) * | 2018-06-27 | 2018-11-30 | 清远市正裕环保科技有限公司 | A kind of environmental protection tests device |
| CN110208074A (en) * | 2019-05-21 | 2019-09-06 | 上海市环境科学研究院 | A kind of Volatile Organic Compounds in Soil device for fast detecting and its detection method |
| CN110595824A (en) * | 2018-06-12 | 2019-12-20 | 中国石油化工股份有限公司 | Soil liquid light hydrocarbon field in-situ acquisition device and method |
| CN112729973A (en) * | 2020-12-21 | 2021-04-30 | 广东贝源检测技术股份有限公司 | Device for rapidly determining VOCs in soil |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110595824A (en) * | 2018-06-12 | 2019-12-20 | 中国石油化工股份有限公司 | Soil liquid light hydrocarbon field in-situ acquisition device and method |
| CN110595824B (en) * | 2018-06-12 | 2021-07-27 | 中国石油化工股份有限公司 | Soil liquid light hydrocarbon field in-situ acquisition device and method |
| CN108918826A (en) * | 2018-06-27 | 2018-11-30 | 清远市正裕环保科技有限公司 | A kind of environmental protection tests device |
| CN110208074A (en) * | 2019-05-21 | 2019-09-06 | 上海市环境科学研究院 | A kind of Volatile Organic Compounds in Soil device for fast detecting and its detection method |
| CN112729973A (en) * | 2020-12-21 | 2021-04-30 | 广东贝源检测技术股份有限公司 | Device for rapidly determining VOCs in soil |
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