CN112444434A - Atmosphere sampling device for same-point multi-acquisition environment detection - Google Patents
Atmosphere sampling device for same-point multi-acquisition environment detection Download PDFInfo
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- CN112444434A CN112444434A CN201910737058.7A CN201910737058A CN112444434A CN 112444434 A CN112444434 A CN 112444434A CN 201910737058 A CN201910737058 A CN 201910737058A CN 112444434 A CN112444434 A CN 112444434A
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- box body
- air
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- partition plate
- environment detection
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- 238000001514 detection method Methods 0.000 title claims abstract description 33
- 238000005070 sampling Methods 0.000 title claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000010521 absorption reaction Methods 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 12
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 12
- 241001330002 Bambuseae Species 0.000 claims description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 12
- 239000011425 bamboo Substances 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
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- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/26—Devices for withdrawing samples in the gaseous state with provision for intake from several spaces
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- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
- G01N1/2205—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling with filters
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/2273—Atmospheric sampling
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- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
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- Life Sciences & Earth Sciences (AREA)
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- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Engineering & Computer Science (AREA)
- Dispersion Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides an atmosphere sampling device for environment detection with same point and multiple collection, which relates to the field of environment detection and comprises a box body, wherein a partition plate is arranged in the box body, the partition plate divides the interior of the box body into two independent spaces, gas absorption liquid is injected into one side of the partition plate in the box body, two right-angle air inlet pipes are inserted into the top of the box body and positioned at the top of the gas absorption liquid, the air sampling device for environment detection with same point and multiple collection is characterized in that a pull rod is lifted to drive a piston to ascend so as to generate negative pressure on one side of the partition plate, the negative pressure is transmitted to the other side of the partition plate through an air guide pipe, air enters the interior of the gas absorption liquid through a top cylinder and the air inlet pipes, a filter membrane can adsorb suspended matters in the air for mass concentration detection, and the air absorption liquid can absorb the air for detection, the volume of sucking air can be calculated according to the lifting length of the pull rod by the aid of the scale grooves.
Description
Technical Field
The invention relates to the technical field of environment detection, in particular to an atmospheric sampling device for same-point multi-acquisition environment detection.
Background
The currently common atmospheric active sampling equipment is large in volume, needs to be driven by electric power and the like, so that large-scale field sampling is difficult to carry out, in order to solve the problem, a scholars puts forward an idea of atmospheric passive sampling, a PAS takes concentration difference between environmental media as a driving force, and the capture of target pollutants by an adsorbing material is realized through gas molecular diffusion, adsorption, deposition and permeation principles, the PAS has the advantages of small volume, convenience in carrying, no need of electric power supply and the like, organic pollutants with low concentration in the environment can be collected for a long time, further, the time-weighted average concentration of the pollutants is obtained to reflect the survival condition of human beings exposed in the polluted environment for a long time, the public tends to complain about boiling on environmental pollution and haze weather deterioration, the existing gas sampling device cannot simultaneously collect air samples at the same height position for multiple times, therefore, sampling is very inconvenient, although the problem is solved by the atmosphere sampling device for the same-point multi-collection environment detection with the application number of CN201720536376.3, the mass content of suspended matters in air cannot be detected, the detection effect is poor, the content of the extracted air cannot be determined, and the detection result is inaccurate.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the atmosphere sampling device for the same-point multi-acquisition environment detection, and solves the problems that the quality content of suspended matters in air cannot be detected by a comparison file, the detection effect is poor, the content of the extracted air cannot be determined, and the detection result is inaccurate.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an atmosphere sampling device for environment detection with multi-point collection comprises a box body, wherein a partition plate is arranged in the box body, the partition plate divides the interior of the box body into two independent spaces, gas absorption liquid is injected into the interior of the box body and one side of the partition plate, two right-angle air inlet pipes are inserted into the top of the box body and the top of the gas absorption liquid, the top of each air inlet pipe is connected with an ejector sleeve, a bracket is clamped in the ejector sleeve, a filter membrane is sleeved in the bracket, a seal cover in threaded connection with the ejector sleeve is sleeved at the top of the ejector sleeve, an air guide pipe is arranged at one side of the partition plate close to the gas absorption liquid, the bottom of the air guide pipe extends to the other side of the partition plate, a piston is arranged at one side of the partition plate far away from the gas absorption liquid, the side wall of the piston is in close contact with the partition plate and the, the side wall of pull rod has seted up the scale groove, the top of pull rod runs through the inner wall of box and extends to the top of box, the lateral wall bottom side of box is connected with the blast pipe, end section of thick bamboo is installed to the bottom of box, slidable sill bar has been pegged graft to the bottom of end section of thick bamboo, the bottom welding of sill bar has the nail board.
Preferably, the top of the gas-guide tube is connected with an elbow, and the elbow is in a round arc shape.
Preferably, the top of the piston is connected with a connecting rod, and the other end of the connecting rod is connected with the side wall of the pull rod.
Preferably, the top of the pull rod is connected with a pull handle, and the pull handle is fan-shaped.
Preferably, the side wall of the bottom rod is clamped with a side strip, and the side wall of the side strip is in sliding contact with the inner wall of the bottom barrel.
Preferably, the side wall of the box body is provided with a through window, and the through window is positioned on one side of the box body close to the piston.
(III) advantageous effects
The invention provides an atmospheric sampling device for same-point multi-acquisition environment detection. The method has the following beneficial effects:
1. this gather environmental detection with many points and use atmospheric sampling device, it can produce the negative pressure in one side of baffle to lift the pull rod drive piston and rise, transmit the opposite side to the baffle through the air duct, make the air pass through the inside that top cylinder and intake pipe got into gaseous absorption liquid, the suspended solid in the adsorbable air of filter membrane carries out mass concentration and detects, the component is conveniently detected in the absorbable air of air absorption liquid, and set up the scale groove at the lateral wall of pull rod, can calculate the volume of absorbing the air according to the promotion length of pull rod, be convenient for calculate whether qualified air quality, the practicality is better.
2. This gather environmental detection with multipoint and use atmospheric sampling device, two intake pipes and a top section of thick bamboo have been set up, through the quality of combining its detection air suspended solid of closing cap, detect a back and seal the closing cap, open the closing cap on another top section of thick bamboo and detect, the time of changing the filter membrane has been reduced, help improving detection efficiency, the sill bar that the bottom half set up can stretch out and draw back in the inside of a bottom section of thick bamboo, the height of convenient control box carries out the empty gas detection of co-altitude not, the practicality is better.
Drawings
FIG. 1 is a schematic view of the interior of the case of the present invention;
FIG. 2 is an enlarged view of area A of the present invention;
fig. 3 is a schematic view of the inside of the top cylinder of the present invention.
In the figure: 1 box body, 2 baffle plates, 3 air inlet pipes, 4 top cylinders, 5 sealing covers, 6 brackets, 7 filter membranes, 8 air guide pipes, 9 bent pipes, 10 pistons, 11 pull rods, 12 pull handles, 13 connecting rods, 14 scale grooves, 15 penetrating windows, 16 exhaust pipes, 17 bottom cylinders, 18 bottom rods, 19 nail plates and 20 side strips.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides an atmosphere sampling device for environment detection with multiple acquisition at the same point, which comprises a box body 1, wherein a partition plate 2 is arranged in the box body 1, the partition plate 2 divides the interior of the box body 1 into two independent spaces, gas absorption liquid is injected into the box body 1 and positioned on one side of the partition plate 2, two right-angle air inlet pipes 3 are inserted into the top of the box body 1 and positioned on the top of the gas absorption liquid, the top of each air inlet pipe 3 is connected with a top cylinder 4, a bracket 6 is clamped in the top cylinder 4, a filter membrane 7 is sleeved in the bracket 6, a sealing cover 5 in threaded connection with the top cylinder 4 is sleeved on the top of the top cylinder 4, a gas guide pipe 8 is arranged on one side of the partition plate 2 close to the gas absorption liquid, the bottom of the gas guide pipe 8 extends to the other side of the partition plate 2, a bent pipe 9 is connected to the top of the gas guide pipe 8, and the bent pipe, a piston 10 is arranged on one side of the partition board 2 far away from the gas absorption liquid, the side wall of the piston 10 is in close contact with the partition board 2 and the side wall of the box body 1, a pull rod 11 is connected to the top of the piston 10, a connecting rod 13 is connected to the top of the piston 10, the other end of the connecting rod 13 is connected with the side wall of the pull rod 11, the connection of the piston 10 and the pull rod 11 is stabilized, a pull handle 12 is connected to the top of the pull rod 11, the pull handle 12 is fan-shaped, the pull rod 11 is convenient to pull, a scale groove 14 is formed in the side wall of the pull rod 11, a through window 15 is arranged on the side wall of the box body 1, the through window 15 is positioned on one side of the box body 1 close to the piston 10, the condition of the piston 10 is convenient to observe, the extending length of the pull rod 11 is determined, the top of the pull rod 11 penetrates through, a bottom section of thick bamboo 17 is installed to the bottom of box 1, and the bottom of a bottom section of thick bamboo 17 is pegged graft and is had slidable sill bar 18, and the lateral wall joint of sill bar 18 has side strip 20, and the lateral wall of side strip 20 and the inner wall sliding contact of a bottom section of thick bamboo 17 improve sill bar 18 at the inside gliding stability of a bottom section of thick bamboo 17, and the bottom welding of sill bar 18 has nail board 19.
The working principle is as follows: when the device is used, the pull rod 11 is lifted up to drive the piston 10 to ascend so as to generate negative pressure on one side of the partition board 2, the negative pressure is transmitted to the other side of the partition board 2 through the air duct 8, air enters the inside of the gas absorption liquid through the top cylinder 4 and the air inlet pipe 3, the filter membrane 7 can absorb suspended matters in the air to carry out mass concentration detection, the components in the air can be absorbed by the air absorption liquid to be conveniently detected, the side wall of the pull rod 11 is provided with the scale groove 14, the volume of the absorbed air can be calculated according to the lifting length of the pull rod 11, whether the air quality is qualified or not can be conveniently calculated, the seal cover 5 can be combined to control the quality of the suspended matters in the detected air, the seal cover 5 is sealed after one part is detected, the seal cover 5 on the other top cylinder 4 is opened for detection, the time for replacing the filter membrane 7 is reduced, the detection efficiency is improved, the height of the box body 1 can be conveniently controlled, and air detection with different heights can be carried out.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The atmosphere sampling device for the same-point multi-collection environment detection is characterized by comprising a box body (1), a partition plate (2) is arranged inside the box body (1), the partition plate (2) divides the inside of the box body (1) into two independent spaces, gas absorption liquid is injected into the inside of the box body (1) and one side of the partition plate (2), two right-angle air inlet pipes (3) are inserted into the top of the box body (1) and the top of the gas absorption liquid, the top of each air inlet pipe (3) is connected with a top cylinder (4), a bracket (6) is clamped inside the top cylinder (4), a filter membrane (7) is sleeved inside the bracket (6), a sealing cover (5) in threaded connection with the top cylinder (4) is sleeved on the top of the top cylinder, and an air guide pipe (8) is arranged on one side of the partition plate (2) close to the gas absorption liquid, the bottom of air duct (8) extends to the opposite side of baffle (2), one side that gaseous absorption liquid was kept away from in baffle (2) is provided with piston (10), and the lateral wall of piston (10) all presses close to the contact with the lateral wall of baffle (2) and box (1), the top of piston (10) is connected with pull rod (11), scale groove (14) have been seted up to the lateral wall of pull rod (11), the top of pull rod (11) runs through the inner wall of box (1) and extends to the top of box (1), the lateral wall bottom side of box (1) is connected with blast pipe (16), end section of thick bamboo (17) is installed to the bottom of box (1), the bottom of end section of thick bamboo (17) is pegged graft and is had slidable end pole (18), the bottom welding of end pole (18) has nail board (19).
2. The atmospheric sampling device for environment detection with multiple acquisitions according to claim 1, wherein: the top of the air duct (8) is connected with an elbow (9), and the elbow (9) is in a round arc shape.
3. The atmospheric sampling device for environment detection with multiple acquisitions according to claim 1, wherein: the top of the piston (10) is connected with a connecting rod (13), and the other end of the connecting rod (13) is connected with the side wall of the pull rod (11).
4. The atmospheric sampling device for environment detection with multiple acquisitions according to claim 1, wherein: the top of the pull rod (11) is connected with a pull handle (12), and the pull handle (12) is fan-shaped.
5. The atmospheric sampling device for environment detection with multiple acquisitions according to claim 1, wherein: the lateral wall joint of sill bar (18) has side strip (20), and the lateral wall of side strip (20) and the inner wall sliding contact of end section of thick bamboo (17).
6. The atmospheric sampling device for environment detection with multiple acquisitions according to claim 1, wherein: the side wall of the box body (1) is provided with a through window (15), and the through window (15) is positioned on one side of the box body (1) close to the piston (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737058.7A CN112444434A (en) | 2019-08-10 | 2019-08-10 | Atmosphere sampling device for same-point multi-acquisition environment detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910737058.7A CN112444434A (en) | 2019-08-10 | 2019-08-10 | Atmosphere sampling device for same-point multi-acquisition environment detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112444434A true CN112444434A (en) | 2021-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910737058.7A Pending CN112444434A (en) | 2019-08-10 | 2019-08-10 | Atmosphere sampling device for same-point multi-acquisition environment detection |
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| CN (1) | CN112444434A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014884A (en) * | 2022-07-15 | 2022-09-06 | 南通东昌环保设备科技有限公司 | Environmental quality check out test set |
-
2019
- 2019-08-10 CN CN201910737058.7A patent/CN112444434A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115014884A (en) * | 2022-07-15 | 2022-09-06 | 南通东昌环保设备科技有限公司 | Environmental quality check out test set |
| CN115014884B (en) * | 2022-07-15 | 2023-10-03 | 南通东昌环保设备科技有限公司 | Environment quality detection equipment |
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Application publication date: 20210305 |