CN118191085A - Quick detection device of VOCs in soil - Google Patents
Quick detection device of VOCs in soil Download PDFInfo
- Publication number
- CN118191085A CN118191085A CN202410321413.3A CN202410321413A CN118191085A CN 118191085 A CN118191085 A CN 118191085A CN 202410321413 A CN202410321413 A CN 202410321413A CN 118191085 A CN118191085 A CN 118191085A
- Authority
- CN
- China
- Prior art keywords
- sealing
- vocs
- sample
- box body
- soil
- 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
- 238000001514 detection method Methods 0.000 title claims abstract description 77
- 239000002689 soil Substances 0.000 title claims abstract description 60
- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 45
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000000725 suspension Substances 0.000 claims abstract description 30
- 238000003825 pressing Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011521 glass Substances 0.000 claims description 7
- 238000005485 electric heating Methods 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 18
- 239000000523 sample Substances 0.000 description 60
- 238000005070 sampling Methods 0.000 description 18
- 239000000741 silica gel Substances 0.000 description 7
- 229910002027 silica gel Inorganic materials 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 238000011835 investigation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 238000003900 soil pollution Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of detection instrument equipment, and provides a quick detection device for VOCs in soil, which comprises: the sealing box body is internally provided with a temperature control unit, and the front side of the sealing box body is provided with a sealing glove opening and rubber gloves in sealing connection with the sealing glove opening; the suspension mechanism is arranged in the sealed box body and can move transversely and is used for suspending a sample bag with a soil sample inside; the detection mechanism is arranged in the sealed box body and can be communicated with the sample bag so as to detect the soil sample. The quick detection device for VOCs in soil provided by the invention can realize accurate temperature control of the soil sample to be detected, effectively promote volatilization of VOCs gas in the soil sample, simultaneously detect a plurality of samples in batches, shorten sample treatment waiting time before detection, improve detection efficiency, effectively avoid sample pollution in the detection process and improve detection accuracy.
Description
Technical Field
The invention belongs to the technical field of detection instrument equipment, and particularly relates to a device for rapidly detecting VOCs in soil.
Background
The rapid detection of Volatile Organic Compounds (VOCs) in soil is an important auxiliary means in soil pollution investigation. The on-site rapid detection can assist on-site sampling personnel in judging the position of the polluted soil, so that the polluted soil is more accurately collected, the on-site working efficiency is improved, the workload is reduced, the accuracy of pollution investigation work is improved, the soil pollution condition of the construction land is truly reflected, and a basis is provided for on-site environment management.
The environment investigation and monitoring of the VOCs polluted land generally needs to use portable organic matter rapid detection equipment to screen the total amount of the VOCs in the soil, and the common equipment mainly comprises a portable photoionization detector (PID), and the sampling steps are as follows: after soil is collected by a sampling shovel, stones and impurities in a soil sample are removed, the soil is placed in a polyethylene self-sealing bag, and the volume of the soil sample in the self-sealing bag accounts for 1/2 of the volume of the self-sealing bag; the self-sealing bag is arranged at the backlight after sampling, so that sunlight is prevented from directly shining, and rapid detection is completed within 30 minutes after sampling.
As the release of volatile organic compounds in the soil is in direct proportion to the temperature, the higher the temperature is, the more beneficial to the release of the volatile organic compounds. However, at present, the detection is carried out under outdoor conditions, and no effective temperature control means is adopted, so that volatile organic compounds contained in the soil can not be effectively released during the detection under the low temperature condition, and the detection result is low.
In addition, because the existing common self-sealing sample bag is only provided with a self-sealing opening, the sealing is required to be opened in the detection process, and the detection probe of the detection instrument extends into the detection bag through the sealing, the gas in the sample bag in the process is extremely easy to leak and cross-pollute, the detection accuracy cannot be ensured, and the leaked gas is easy to pollute the surrounding environment, especially in the laboratory closed environment.
Therefore, a rapid detection device capable of accurately controlling temperature, promoting volatilization of VOCs in a soil sample and improving detection efficiency and accuracy is required to be designed.
Disclosure of Invention
The invention aims to solve the technical problems, and provides the quick detection device for the VOCs in the soil, which can realize accurate temperature control of the soil sample to be detected, effectively promote volatilization of VOCs gas in the soil sample, simultaneously detect a plurality of samples in batches, shorten sample treatment waiting time before detection, improve detection efficiency, effectively avoid pollution of the samples in the detection process and improve detection accuracy.
The technical scheme of the invention is as follows:
the invention provides a quick detection device for VOCs in soil, which comprises:
the sealing box body is internally provided with a temperature control unit, and the front side of the sealing box body is provided with a sealing glove opening and rubber gloves in sealing connection with the sealing glove opening;
The suspension mechanism is arranged in the sealed box body and can move transversely and is used for suspending a sample bag with a soil sample inside;
The detection mechanism is arranged in the sealed box body and can be communicated with the sample bag so as to detect the soil sample.
Preferably, the sample bag is a self-sealing sample bag, and a sealing pressing strip is arranged at the opening of the top of the sample bag;
the sample bag body is close to the sealing layering department is provided with the sampling port, the sampling port with detection mechanism is linked together, the sampling port is provided with control valve body.
Preferably, the suspension mechanism comprises an upright post, a top suspension disc which is positioned at the top end of the upright post and fixedly connected with the upright post, and a bottom tray which is positioned below the top suspension disc and movably sleeved on the periphery of the upright post;
the bottom of the upright post is provided with a bottom sliding block, the bottom wall of the sealing box body is provided with a transverse sliding groove, and the bottom sliding block is movably embedded in the transverse sliding groove.
Preferably, a plurality of groups of clamping pieces are arranged on the lower end surface of the top suspension disc at intervals, each clamping piece comprises L-shaped clamping blocks which are oppositely arranged, and the cross section of the tail end of each clamping block is in a major arc shape;
The sealing pressing strips are clamped in the upper area between the clamping blocks, and the sample bag body is arranged between the clamping blocks in a penetrating mode.
Preferably, a plurality of groups of bearing seats are arranged on the upper end face of the bottom tray at intervals, the upper end faces of the bearing seats are concave cambered surfaces, and partition strips are arranged between the adjacent bearing seats.
Preferably, the bottom tray is provided with a locking bolt, and the top suspension tray is made of transparent organic glass.
Preferably, the temperature control unit comprises an electric heating wire, a temperature sensor, a controller and a storage battery which are electrically connected;
the electric heating wires are arranged at the bottom of the sealed box body.
Preferably, the detection mechanism comprises a supporting seat and a detector arranged above the supporting seat;
The storage battery is arranged below the supporting seat and is electrically connected with the detector.
Preferably, the detector is a PID detector, and a sample inlet of the PID detector is detachably connected with the sample inlet of the sample bag through a silica gel hose.
Preferably, a fixing clamping seat matched with the detector is arranged above the supporting seat and used for clamping and fixing the detector;
The fixed clamping seat comprises inverted L-shaped clamp frames which are symmetrically arranged.
Preferably, the side wall of the sealed box body is provided with a calibration pipeline communicated with the inside of the sealed box body, and the calibration pipeline is connected with an external air source for zero air calibration;
the calibration pipeline is provided with an activated carbon tank and a communication valve body.
Preferably, the top wall of the sealing box body is made of transparent organic glass, or the whole sealing box body is made of transparent organic glass.
Compared with the prior art, the invention has the following advantages and effects:
(1) The temperature control unit can effectively maintain the constant temperature in the sealed box body, so that the constant standing temperature of the soil sample is ensured, the volatilization of VOCs gas in the soil sample is promoted, the standing time for detection is shortened, and the detection efficiency and the accuracy of a detection result are improved;
(2) The rubber glove in sealed connection with the sealed box body is adopted, so that soil samples are kept in the sealed box body in the standing and detecting processes, detection errors caused by gas leakage in the detecting process are effectively avoided, the detecting accuracy is improved, meanwhile, pollution of VOCs gas in the samples to the surrounding environment can be avoided, and the safety of operators is ensured;
(3) Adopt the suspension mechanism that sets up in sealed box, can hang the vertical placing of bottom bearing with the sample bag top of depositing soil sample for VOCs gas breaks away from soil, volatilizees the space above gathering at the sample bag, the volatilization of gas in the soil sample of being convenient for, and later stage detecting instrument's suction detects.
Drawings
FIG. 1 is a schematic diagram of a device for rapidly detecting VOCs in soil according to embodiment 1 of the present invention;
FIG. 2 is a schematic diagram showing another construction of a device for rapidly detecting VOCs in soil according to embodiment 1 of the present invention;
Fig. 3 is a schematic structural view of a suspension mechanism in a device for rapidly detecting VOCs in soil according to embodiment 1 of the present invention;
FIG. 4 is a schematic view showing the structure of a sample bag in a device for rapidly detecting VOCs in soil according to example 1 of the present invention;
FIG. 5 is a schematic view of the structure of the device for rapidly detecting VOCs in soil in example 1 of the present invention during the process of placing soil samples;
Fig. 6 is a schematic view showing the structure of a suspension mechanism in a device for rapidly detecting VOCs in soil according to embodiment 2 of the present invention.
Reference numerals: the device comprises a 1-sealed box body, a 11-temperature control unit, a 12-sealed glove port, a 13-rubber glove, a 14-transverse chute, a 15-calibration pipeline, a 151-activated carbon tank, a 152-communicated valve body, a 2-suspension mechanism, a 21-upright post, a 211-bottom sliding block, a 22-top suspension disc, a 221-clamping piece, a 2211-clamping block, a 23-bottom tray, a 231-supporting seat, a 232-parting bead, a 233-locking bolt, a 3-sample bag, a 31-sealing pressing strip, a 32-sampling port, a 33-control valve body, a 4-detection mechanism, a 41-supporting seat, a 411-fixed clamping seat, a 42-detection instrument and a 5-silica gel hose.
Detailed Description
The present invention will now be described further in connection with specific embodiments for a better understanding of the present invention by those skilled in the art.
Example 1:
As shown in fig. 1-5, the invention provides a quick detection device for VOCs in soil, which comprises a sealed box body 1, and a suspension mechanism 2 and a detection mechanism 4 which are arranged in the sealed box body 1, wherein the quick detection device can be carried to an outdoor site for carrying out real-time quick detection of the VOCs in a soil sample, and the whole standing and detection process is in a sealed and closed environment, so that the detection efficiency is effectively improved, and the detection accuracy is ensured.
As shown in fig. 1 and 2, the bottom of the sealed box 1 is provided with a temperature control unit 11, and an insulating layer is arranged inside the sealed box 1, so that the internal temperature of the sealed box 1 can be effectively maintained to be constant at about 25 ℃, and the sealed box can continuously work for 12 hours or more, thereby ensuring the time for setting the soil sample to stand at constant temperature and promoting the volatilization of VOCs gas. The temperature control unit 11 specifically includes an electric heating wire, a temperature sensor, a controller, and a storage battery that are electrically connected, and the specific components and the corresponding electrical connection structures are all mature prior art and are not described in detail herein. Specifically, the electric heating wire is arranged at the bottom of the sealed box body 1, and the storage battery can be a lithium battery and is arranged in the sealed box body 1 in a replaceable manner.
The top wall and the front side wall of the sealing box body 1 are both made of transparent materials, and can be specifically made of transparent organic glass so as to facilitate visual operation of operators, as shown in fig. 1, the front side wall of the sealing box body 1 is provided with a sealing glove port 12, a rubber glove 13 is arranged at the sealing glove port 12, and a sealing rubber ring is arranged between the rubber glove 13 and the sealing glove port 12 to ensure the tightness of the whole process in the detection process.
The sample bag 3 is a self-sealing sample bag 3, as shown in fig. 4, a sealing pressing strip 31 is arranged at the top opening of the sample bag 3, a sampling port 32 is arranged at the position, close to the sealing pressing strip 31, of the bag body of the sample bag 3, namely, the sampling port 32 is arranged in the space above the sample bag 3 and far away from the soil sample placed below, so that Volatile Organic Compounds (VOCs) are conveniently volatilized and accumulated in the top space of the sample bag 3, and gas is conveniently sucked in the subsequent detection process; the sampling port 32 of the self-sealing sample bag 3 is provided with a control valve body 33, the control valve body 33 is in a closed state in the standing process, and in the detection process, an operator opens the control valve body 33 through the rubber glove 13 to detect samples.
As shown in fig. 2, the detection mechanism 4 includes a supporting seat 41 and a detector 42 disposed above the supporting seat 41, a fixing clamping seat 411 adapted to the detector 42 is disposed above the supporting seat 41 and used for clamping and fixing the detector 42, the fixing clamping seat 411 includes an inverted L-shaped clamp frame symmetrically disposed and used for clamping and fixing the detector 42, preventing the detector 42 from falling off due to shaking, the specific fixing clamping seat 411 is provided with two groups of clamp column detectors 42, two ends of the clamp column detectors 42 are respectively disposed inside the supporting seat 41, a storage battery is disposed inside the supporting seat 41, the detector 42 is a PID (photo ionization detector), a sample inlet of the detector 42 is provided with a silica gel hose 5, the silica gel hose 5 is detachably connected with a sampling port 32 of a self-sealing sample bag 3, in a specific operation process, an operator firstly connects the silica gel hose 5 with the sampling port 32 of the sample bag 3 to be detected through a rubber glove 13, then opens a corresponding control valve body 33, controls the detector 42 to detect, firstly closes the control hose 33 after the detection is completed, and then disconnects the silica gel hose 5 from the sampling port 32 of the sample bag 3. It should be noted that, in the process of performing different sample detection, before the silicone hose 5 is connected to the sampling port 32 of the next sample bag 3, the sealing box 1 is preferably subjected to zero gas calibration through the calibration pipeline 15, so as to ensure the accuracy of the detection result, that is, between the connection detection of the silicone hose 5 and the sampling port 32 of the different sample bag 3, an external gas source is connected through the calibration pipeline 15 to perform a zero gas calibration step.
Further, in some embodiments, the detector 42 is electrically connected to the storage battery disposed inside the support seat 41, so that the detector 42 can be powered, specifically, the support seat 41 is provided with a charging interface connected to the storage battery, and the detector 42 is provided with a charging socket adapted to a charging structure.
The suspension mechanism 2 can transversely move and set up in the inside of sealed box 1, suspension mechanism 2 sets up the right side in sealed box 1 inside, sealed box 1 right side lateral wall is provided with the right door body with it sealing connection, suspension mechanism 2 can transversely pass the opening of right door body department, so that the operating personnel hangs self-sealing sample bag 3 on suspension mechanism 2, detector 42 and supporting seat 41 set up the left side in sealed box 1 inside, sealed box 1 left side lateral wall is provided with the left door body with it sealing connection, in order to change battery, and detector 42.
The side wall of the sealed box body 1 is provided with a calibration pipeline 15 communicated with the inside of the sealed box body, the calibration pipeline 15 is connected with an external air source for zero air calibration, so that the deviation of the detection result of the detector 42 can be effectively avoided, and the accuracy of the detection result is improved; the calibration pipeline 15 is a stainless steel pipeline, the calibration pipeline 15 is provided with an activated carbon tank to avoid pollution in the calibration process, and the calibration pipeline 15 is provided with a communication valve body 152 to control the on-off of the calibration pipeline 15.
The suspension mechanism 2 specifically comprises a stand column 21, a top suspension disc 22 which is positioned at the top end of the stand column 21 and fixedly connected with the stand column 21, and a bottom tray 23 which is positioned below the top suspension disc 22 and movably sleeved on the periphery of the stand column 21, wherein a bottom sliding block 211 is arranged at the bottom end of the stand column 21, the bottom sliding block 211 specifically takes the shape of an I, the bottom wall of the sealed box body 1 is provided with a transverse sliding groove 14, the transverse sliding groove 14 specifically takes the shape of an inverted T, and the bottom sliding block 211 is movably embedded in the transverse sliding groove 14, so that the suspension mechanism 2 can be pulled out of the sealed box body 1, and an operator can suspend the sample bag 3 on the suspension mechanism 2.
As shown in fig. 3, 10 groups of clamping pieces 221 are uniformly arranged on the lower end surface of the top suspension plate 22 at intervals, the clamping pieces 221 are matched with sealing pressing strips 31 of the self-sealing sample bags 3, the clamping pieces 221 comprise L-shaped clamping blocks 2211 which are oppositely arranged, the cross sections of the tail ends of the clamping blocks 2211 are in a major arc shape, the stability of the suspended sample bags 3 is ensured, meanwhile, damage to the bag bodies of the sample bags 3 is avoided, the sealing pressing strips 31 are clamped in the upper area between the clamping blocks 2211, and the self-sealing sample bags 3 are arranged between the clamping blocks 2211 in a penetrating mode. The cover that bottom tray 23 liftable is established in stand 21 periphery, and bottom tray 23 is provided with locking bolt 233, and bottom tray 23 up end even interval is provided with multiunit bearing seat 231, and the bearing seat 231 up end is the spill cambered surface to make soil sample spread in the bottom tiling of sample bag 3, the volatilization of VOCs gas of being convenient for is provided with parting bead 232 between the adjacent bearing seat 231, in order to avoid the activity skew of self-sealing sample bag 3.
Example 2:
Example 2 of the present invention will be described with reference to fig. 6. In addition, the description of the parts not different from those of embodiment 1 will be omitted, and the same reference numerals will be given.
As shown in fig. 6, in the quick detection device for VOCs in soil according to the present invention, the top suspension disc 22 in the suspension mechanism 2 is made of transparent organic glass, and is matched with the transparent top wall of the sealed box 1, so that an operator can observe the inside of the sealed box 1 through the top of the sealed box 1, and is convenient for hanging and placing the sample bag 3, and in the later detection process, the connection between the silica gel hose 5 and the sampling port 32 of the sample bag 3 is convenient, and the setting and operation of the detector 42 are performed.
In conclusion, the quick detection device for VOCs in soil provided by the invention can realize accurate temperature control of the soil sample to be detected, effectively promote volatilization of VOCs gas in the soil sample, simultaneously detect a plurality of samples in batches, shorten sample treatment waiting time before detection, improve detection efficiency, effectively avoid pollution of the samples in the detection process and improve detection accuracy.
The foregoing is only illustrative of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.
Claims (10)
1. Quick detection device of VOCs in soil, its characterized in that includes:
The sealing box body (1) is internally provided with a temperature control unit (11), and the front side of the sealing box body (1) is provided with a sealing glove opening (12) and rubber gloves (13) in sealing connection with the sealing glove opening; a suspension mechanism (2) which is arranged in the sealed box body (1) and can move transversely, and is used for suspending a sample bag (3) with a soil sample inside; the detection mechanism (4) is arranged in the sealed box body (1) and can be communicated with the sample bag (3) so as to detect a soil sample.
2. The rapid detection device for VOCs in soil according to claim 1, wherein: the sample bag (3) is a self-sealing sample bag (3), and a sealing pressing strip (31) is arranged at the opening of the top of the self-sealing sample bag; the sample bag (3) bag body is close to sealing layering (31) department is provided with sample connection (32), sample connection (32) with detection mechanism (4) are linked together, sample connection (32) are provided with control valve body (33).
3. The rapid detection device for VOCs in soil according to claim 2, wherein: the suspension mechanism (2) comprises an upright post (21), a top suspension disc (22) which is positioned at the top end of the upright post (21) and fixedly connected with the upright post, and a bottom tray (23) which is positioned below the top suspension disc (22) and movably sleeved on the periphery of the upright post (21);
The bottom of the upright post (21) is provided with a bottom sliding block (211), the bottom wall of the sealed box body (1) is provided with a transverse sliding groove (14), and the bottom sliding block (211) is movably embedded in the transverse sliding groove (14).
4. A rapid detection device for VOCs in soil according to claim 3, wherein: a plurality of groups of clamping pieces (221) are arranged on the lower end surface of the top suspension disc (22) at intervals, the clamping pieces (221) comprise L-shaped clamping blocks (2211) which are oppositely arranged, and the cross section of the tail end of each clamping block (2211) is in a major arc shape; the sealing pressing strips (31) are clamped in the upper area between the clamping blocks (2211), and the sample bag (3) body is arranged between the clamping blocks (2211) in a penetrating mode.
5. A rapid detection device for VOCs in soil according to claim 3, wherein: the bottom tray (23) upper end face interval is provided with multiunit bearing seat (231), bearing seat (231) up end is the spill cambered surface, adjacent be provided with parting bead (232) between bearing seat (231).
6. The rapid detection device for VOCs in soil according to claim 1, wherein: the temperature control unit (11) comprises an electric heating wire, a temperature sensor, a controller and a storage battery which are electrically connected; the electric heating wires are arranged at the bottom of the sealed box body (1).
7. The rapid detection device for VOCs in soil according to claim 6, wherein: the detection mechanism (4) comprises a supporting seat (41) and a detector (42) arranged above the supporting seat (41); the storage battery is arranged below the supporting seat (41) and is electrically connected with the detector (42).
8. The rapid detection device for VOCs in soil according to claim 7, wherein: a fixed clamping seat (411) matched with the detector (42) is arranged above the supporting seat (41) and used for clamping and fixing the detector (42); the fixed clamping seat (411) comprises inverted L-shaped clamp frames which are symmetrically arranged.
9. The rapid detection device for VOCs in soil according to claim 1, wherein: the side wall of the sealed box body (1) is provided with a calibration pipeline (15) communicated with the inside of the sealed box body, and the calibration pipeline (15) is connected with an external air source for zero air calibration; the calibration pipeline (15) is provided with an activated carbon tank (151) and a communication valve body (152).
10. The rapid detection device for VOCs in soil according to claim 1, wherein: the top wall of the sealing box body (1) is made of transparent organic glass, or the whole sealing box body (1) is made of transparent organic glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410321413.3A CN118191085A (en) | 2024-03-20 | 2024-03-20 | Quick detection device of VOCs in soil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410321413.3A CN118191085A (en) | 2024-03-20 | 2024-03-20 | Quick detection device of VOCs in soil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118191085A true CN118191085A (en) | 2024-06-14 |
Family
ID=91397709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410321413.3A Pending CN118191085A (en) | 2024-03-20 | 2024-03-20 | Quick detection device of VOCs in soil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118191085A (en) |
-
2024
- 2024-03-20 CN CN202410321413.3A patent/CN118191085A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213544328U (en) | Simulation experiment platform for simulating dust retention change of plants in natural environment | |
| CN112729944A (en) | Unmanned aerial vehicle collection system and system | |
| CN206960060U (en) | Airtight detecting apparatus | |
| CN118191085A (en) | Quick detection device of VOCs in soil | |
| CN211837953U (en) | A artifical simulation climate box for monitoring uranium tailings sand | |
| CN205103063U (en) | Sampling device for medical testing | |
| CN213098972U (en) | Multifunctional animal experiment cabin system | |
| CN218629153U (en) | Regional greenhouse gas sampling device of landfill | |
| CN215178989U (en) | Sampling equipment for environmental monitoring | |
| CN214585268U (en) | Indoor culture and collection device for measuring soil emission gas | |
| CN213716143U (en) | Intelligent multifunctional gas alarm calibrating device | |
| CN107421788A (en) | A kind of gas sampling inlet duct | |
| CN210720245U (en) | Odor monitoring device | |
| CN204575391U (en) | A kind of solid source of release discharge the gas extractor of gas | |
| CN208621583U (en) | A kind of split type volatile organic matter sampling apparatus | |
| CN219391711U (en) | Embedded industrial analyzer | |
| CN220872433U (en) | Atmospheric sampling detection device | |
| CN107083324B (en) | Portable rapid bacterium collecting system for rapidly detecting microorganisms in filled drinking water | |
| CN211206155U (en) | Automatic tester for smoke dust content | |
| CN113624906B (en) | Zero-loss detection system and method for combustion particles and harmful gases | |
| CN212872123U (en) | Gauze mask particulate matter filtration efficiency detector | |
| CN213749903U (en) | Detection equipment for determining molecular weight distribution of peptides in enzymatic hydrolysate | |
| CN213632819U (en) | Intelligent oil sampling device for current transformer | |
| CN2847261Y (en) | Indoor air quality detector | |
| CN214703323U (en) | High-efficient detection device of soil for outdoor environment detection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination |