CN116698524B - VOCs adsorption trapping device for analyzing atmospheric pollution degree - Google Patents
VOCs adsorption trapping device for analyzing atmospheric pollution degree Download PDFInfo
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- CN116698524B CN116698524B CN202310681316.0A CN202310681316A CN116698524B CN 116698524 B CN116698524 B CN 116698524B CN 202310681316 A CN202310681316 A CN 202310681316A CN 116698524 B CN116698524 B CN 116698524B
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 48
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 20
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000003344 environmental pollutant Substances 0.000 abstract description 30
- 231100000719 pollutant Toxicity 0.000 abstract description 30
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 7
- 230000006872 improvement Effects 0.000 description 9
- 239000012528 membrane Substances 0.000 description 8
- 230000000712 assembly Effects 0.000 description 7
- 238000000429 assembly Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical group [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011146 organic particle Substances 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/40—Concentrating samples
- G01N1/405—Concentrating samples by adsorption or absorption
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0047—Organic compounds
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- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Molecular Biology (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention relates to the technical field of trapping for analyzing the degree of atmospheric pollution, in particular to a VOCs adsorption trapping device for analyzing the degree of atmospheric pollution, which comprises a box body and a trapping assembly arranged in the box body. In the invention, the supporting component can accelerate the trapping component to trap and adsorb the atmosphere containing VOCs pollutants in the process of downwards moving along the inner wall of the box body; when the air inlet is closed, the supporting component is continuously moved downwards, so that the atmosphere in the trapping cavity can be compressed, the increase of the atmosphere concentration containing VOCs pollutants in the collecting box is facilitated, and the sufficient quantity of the atmosphere sample containing the VOCs pollutants in the adsorption trapping plate can be ensured; when the atmosphere containing VOCs pollutants in the trapping cavity is compressed to a moving degree, the atmosphere can be discharged from the exhaust assembly into the exhaust cavity in the box body and finally discharged to the outside from the exhaust port, so that the operation is simple; after the sample is collected, the sample can be directly taken down from the supporting component, and the use is convenient.
Description
Technical Field
The invention relates to the technical field of trapping for analyzing the degree of atmospheric pollution, in particular to a VOCs adsorption trapping device for analyzing the degree of atmospheric pollution.
Background
The vocs in the atmosphere are widely sourced from work and life of us, are large to chemical plants, packaging and printing plants, are small to automobile repair plants, dry cleaners, automobile exhaust in life, furniture paint spraying, home decoration and the like, can generate vocs, and react photochemically with nitrogen oxides and hydrocarbon compounds in the atmosphere under the irradiation of sunlight to generate two pollutants, wherein one of the pollutants is a constituent part of PM2.5 and is called secondary organic particles; another contaminant is ozone. These two pollutants fly in the air, which can affect the air quality, destroy the ozone layer and aggravate the greenhouse effect.
The Chinese patent classification number: the utility model discloses an atmospheric pollution thing collection system of CN210090097U, gather the shell and adopt upper and lower open-ended hollow cylindrical structure, first filter membrane fixed bolster is installed gather the top of shell, the bottom of gathering the shell is installed to the second filter membrane fixed bolster, first filter membrane mount and second filter membrane mount all adopt hollow structure, evenly set up the through-hole that is used for admitting air and exhaust on first filter membrane mount and second filter membrane mount, first rotation control device installs on the collection shell of first filter membrane mount top, second rotation control device installs on the collection shell of second filter membrane mount below. Through the air input and the exhaust amount of the atmosphere of the collection device can be controlled artificially, the atmosphere entering the collection device can be positioned in the collection device for a long time, so that some pollutants in the atmosphere can be effectively adsorbed by the collection device, and further, the condition that the collection sample amount is insufficient for analysis after a large amount of air collection is effectively avoided.
Therefore, the atmospheric pollution collecting device in the prior art can enable collected atmosphere to stay in the device for a long time by manually controlling the air inflow and the air displacement of the atmosphere of the collecting device, and effectively adsorb the collected atmosphere by the device, so that the condition that the collected sample quantity is insufficient for analysis after a large amount of air is collected is effectively avoided.
In the above, although the atmospheric pollutants can be effectively collected, the size of the through holes for air inlet and air exhaust needs to be manually controlled in the collection process, and the operation is complicated; moreover, the collecting device cannot compress the air entering the device, so that the concentration of air pollution particles in the collecting box is increased, and the quantity of samples collected by the adsorption collecting plate is ensured to be enough; and after collection, it is inconvenient to take out the adsorption plate containing the atmospheric pollution oxygen sample after adsorption trapping.
Accordingly, the present inventors have developed a VOCs adsorption trap for analyzing the degree of atmospheric pollution by years of experience and practice in the related industry to overcome the drawbacks of the prior art.
Disclosure of Invention
The invention aims to provide a VOCs adsorption trapping device for analyzing the atmospheric pollution degree, so as to solve the problems in the background technology.
In order to achieve the above purpose, the invention provides a VOCs adsorption trapping device for analyzing the atmospheric pollution degree, which comprises a box body and a trapping assembly arranged in the box body, wherein an air inlet is formed in one side of the outer wall of the box body close to the bottom, a fan is rotatably arranged in the position of the outer wall of the box body, a supporting assembly for supporting the trapping assembly is movably arranged in the box body, the interior of the box body is divided into a trapping cavity and an exhaust cavity by the supporting assembly, the trapping assembly is clamped and arranged on the lower surface of the supporting assembly, a plurality of exhaust assemblies for exhausting when the atmosphere is compressed are arranged on the upper surface of the supporting assembly, a power assembly for driving the fan to rotate is fixedly arranged in a rotating hub of the fan, the fan is in transmission connection with the supporting assembly through the power assembly, and exhaust ports are symmetrically formed in the positions of two sides of the outer wall of the box body close to the upper end.
As a further improvement of the technical scheme, the supporting component comprises a supporting plate, the upper surface of the supporting plate is fixedly provided with first springs close to four corners, the upper ends of the four first springs are fixedly connected with the inner wall of the box body at the top, the edge of two sides of the supporting plate is symmetrically provided with baffle plates, the surfaces of the two baffle plates, which are opposite, are respectively in movable fit with the two sides of the inner wall of the box body, one baffle plate is used for controlling the opening and closing of the air inlet, and the lower surface of the supporting plate is connected with the trapping component in a clamping mode.
As a further improvement of the technical scheme, the trapping assembly comprises a frame, the upper surface of the frame is matched with the lower surface of the supporting plate in a clamping manner, and a trapping plate is fixedly arranged in the frame.
As a further improvement of the technical scheme, a plurality of clamping blocks are fixedly arranged on the upper surface of the frame, a plurality of clamping grooves are formed in the lower surface of the supporting plate, close to the edge, of the clamping blocks, and the clamping blocks are respectively matched with the clamping grooves in a clamping mode.
As a further improvement of the technical scheme, the power assembly comprises a rotating shaft, the rotating shaft penetrates through a rotating hub of the fan to extend into the air inlet, a steel wire rope is wound on the outer portion, close to the inner end portion, of the rotating shaft, a boss is fixedly arranged on the outer wall of the baffle plate, close to the upper end portion, of the baffle plate, the outer end portion of the steel wire rope is fixedly connected with the boss, the outer end portion of the rotating shaft extends out of the fan, and a handle is fixedly arranged on the outer end portion of the rotating shaft.
As a further improvement of the technical scheme, a plurality of exhaust assemblies comprise a cover body, a plurality of through holes are formed in the upper surface of a supporting plate, a plurality of lower opening parts of the cover body are fixedly connected with a plurality of through holes respectively, a plurality of air outlet holes are formed in the positions, located at the tops, of the outer walls of the cover body, supporting rods are fixedly arranged at the positions, located at the lower opening parts, of the inner parts of the cover body, a plurality of second springs are fixedly arranged on the inner surfaces of the supporting rods, the outer end parts of the second springs are fixedly provided with sealing covers, and the lower surfaces of the sealing covers are movably matched with the outer walls of the cover body respectively.
As a further improvement of the technical scheme, sliding grooves are symmetrically formed in two sides of the inner portion of the box body, sliding blocks are symmetrically arranged on the surfaces of two opposite sides of the baffle plate, and the sliding blocks are in sliding connection with the sliding grooves.
As a further improvement of the technical scheme, the lower surface of the supporting plate is symmetrically provided with deflector rods at the end parts close to the edges of the two sides, the four deflector rods are rotationally connected with the supporting plate, the outer end parts of the two deflector rods positioned on the same side are protruded out of the baffle plate, the outer end parts of the deflector rods are in movable fit with the bottom of the sliding groove, and the inner end parts of the deflector rods are in movable fit with the frame.
As a further improvement of the technical scheme, a collecting groove is movably arranged at the bottom of the box body, and the collecting groove is movably matched with the collecting plate.
As a further improvement of the technical scheme, a strip hole is formed in the position, close to the bottom, of the outer wall of the box body, and the collecting groove is in movable fit with the strip hole.
Compared with the prior art, the invention has the beneficial effects that:
1. this a VOCs adsorbs entrapment device for analyzing atmospheric pollution degree, after the atmosphere that contains VOCs pollutant enters into the entrapment chamber of the inside of box, continue to rotate power component, make it drive the inner wall of supporting component along the box and remove downwards, at this in-process, can accelerate entrapment subassembly entrapment and adsorb the atmosphere that contains VOCs pollutant, be favorable to improving the work efficiency that the entrapment was adsorbed and is gathered.
2. This a VOCs adsorbs entrapment device for analyzing atmospheric pollution degree, when supporting component removes to when closing the air inlet, continue to make supporting component downwardly moving again, can compress the atmosphere that contains VOCs pollutant that is located the entrapment intracavity portion, be favorable to increasing the inside atmospheric concentration that contains VOCs pollutant of collecting box, and can make the atmosphere that contains VOCs pollutant fast enter into the entrapment subassembly inside when compressing, make VOCs particulate matter be adsorbed by the entrapment subassembly, thereby can guarantee that the absorptive atmospheric sample volume that contains VOCs pollutant of entrapment subassembly is enough.
3. This a VOCs adsorbs entrapment device for analyzing atmospheric pollution degree, after the atmospheric pressure that contains VOCs pollutant in the entrapment intracavity portion was compressed to the removal degree, the inside pressure of entrapment intracavity portion can top move a plurality of exhaust components, makes the atmospheric air discharge from exhaust component to the inside exhaust intracavity of box to finally discharge outside from the gas vent, whole process easy operation that adsorbs the entrapment and gather is convenient for people to use.
4. This a VOCs adsorbs entrapment device for analyzing atmospheric pollution degree, entrapment subassembly entrapment adsorb and gather the atmospheric sample that contains VOCs pollutant after, can directly take off from supporting component, be convenient for take out and change entrapment subassembly.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the tank of the present invention with the support assembly and the trapping assembly mounted therein;
FIG. 3 is a cross-sectional view of the overall structure of the tank of the present invention with the support assembly and the trapping assembly mounted therein;
FIG. 4 is a split view of the overall structure of the tank and the collecting trough of the present invention;
FIG. 5 is a split view of the overall structure of the fan and power assembly of the present invention;
FIG. 6 is a schematic view of the overall structure of the support and trap assemblies and exhaust assembly of the present invention;
FIG. 7 is a fragmentary view of the overall construction of the support and trap assemblies and exhaust assemblies of the present invention;
FIG. 8 is a schematic view of the overall structure of the support assembly and exhaust assembly of the present invention;
FIG. 9 is an enlarged view of the partial structure of FIG. 8A in accordance with the present invention;
FIG. 10 is a cross-sectional view of the overall construction of the exhaust assembly of the present invention;
FIG. 11 is a cross-sectional view of the overall construction of the trapping assembly of the present invention;
fig. 12 is an enlarged view of a partial structure at B of fig. 11 according to the present invention.
The meaning of each reference sign in the figure is:
1. a case; 10. an air inlet; 100. a fan; 11. a chute; 12. a collection tank; 13. a slit hole; 14. an exhaust port;
2. a trapping assembly; 20. a frame; 200. a clamping block; 21. a trap plate;
3. a support assembly; 30. a support plate; 300. a through hole; 301. a clamping groove; 31. a first spring; 32. a baffle; 320. a slide block; 321. a boss; 33. a deflector rod;
4. an exhaust assembly; 40. a cover body; 400. an air outlet hole; 401. a support rod; 402. a second spring; 403. sealing cover;
5. a power assembly; 50. a rotating shaft; 51. a wire rope; 52. a handle.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-12, the embodiment provides a VOCs adsorption trapping device for analyzing the degree of atmospheric pollution, which comprises a box body 1 and a trapping assembly 2 installed in the box body 1, wherein an air inlet 10 is formed at one side of the outer wall of the box body 1 near the bottom, a fan 100 is rotatably arranged at the air inlet 10, in the process of adsorbing and trapping the VOCs of the degree of atmospheric pollution, the fan 100 is rotated, the air outside the box body 1 is favorably caused to be sucked by the fan 100, the fan 100 is quickly introduced into the box body 1, the collection working efficiency is favorably improved, a supporting assembly 3 for supporting the trapping assembly 2 is movably arranged in the box body 1, the supporting assembly 3 divides the box body 1 into a trapping cavity and an exhaust cavity, the trapping assembly 2 is clamped and arranged on the lower surface of the supporting assembly 3, the trapping assembly 2 is positioned in the trapping cavity, a plurality of exhaust assemblies 4 for compressing the air are arranged on the upper surface of the supporting assembly 3, the fan 100 is fixedly arranged in a rotating hub, the fan 100 is used for driving the fan 5 to rotate, and the supporting assembly 5 is continuously driven by the fan 5, and the supporting assembly 5 is continuously rotated along the inner wall 5 of the supporting assembly 5, and the supporting assembly 5 is continuously driven to move downwards, and the power assembly 5 is continuously connected with the supporting assembly 5 in the box body 1, and the power assembly is continuously driven to move downwards and the supporting assembly is driven by the supporting assembly 5; when the supporting component 3 moves downwards to close the air inlet 10 along the inner wall of the box body 1, the trapping cavity is in a relatively airtight state, the power component 5 is continuously rotated to drive the supporting component 3 to move downwards, at the moment, the supporting component 3 can compress the atmosphere containing VOCs pollutants in the trapping cavity, which is beneficial to increasing the atmosphere concentration containing VOCs pollutants in the collecting box, and the atmosphere containing VOCs pollutants can be quickly introduced into the trapping component 2 during compression, so that VOCs particles are adsorbed by the trapping component 2, the condition that the amount of the atmospheric sample containing VOCs pollutants adsorbed by the trapping component 2 is enough can be ensured, the two sides of the outer wall of the box body 1 are close to the upper end part and symmetrically provided with the air outlet 14 is ensured, after the atmosphere containing VOCs pollutants in the trapping cavity is compressed to the moving degree, the pressure in the trapping cavity can push the plurality of the air outlet components 4 positioned on the upper surface of the supporting component 3, so that the atmosphere can be discharged into the air outlet cavity in the box body 1 through the air outlet component 4 and finally discharged from the air outlet 14 to the outside, the whole operation is simple, and the operation is convenient for people to use; and after the trapping component 2 traps and adsorbs the atmospheric sample containing VOCs pollutant, the atmospheric sample can be directly taken off from the supporting component 3, so that the trapping component 2 can be conveniently taken out and replaced.
Wherein, box 1 outer wall is located the both sides department symmetry fixed of bottom and is provided with the support, and the support is cavity structure, and the support of two cavity structures is linked together with box 1 is inside, and the support of two cavity structures not only can regard as the supporting leg of box 1, and when two baffles 32 moved down to the trap plate 21 along box 1 and contacted with collecting vat 12, the inside cavity of support of two cavity structures still can provide the extension space for two baffles 32 respectively.
On the basis of the above, the structure and the use process of the supporting component 3 are further described, the supporting component 3 comprises a supporting plate 30, the upper surfaces of the supporting plate 30 are fixedly provided with first springs 31 near four corners, the upper ends of the four first springs 31 are fixedly connected with the inner wall of the box body 1, the two side edges of the supporting plate 30 are symmetrically provided with baffle plates 32, the opposite surfaces of the two baffle plates 32 are respectively movably matched with the two sides of the inner wall of the box body 1, one baffle plate 32 is used for controlling the opening and closing of the air inlet 10, the lower surface of the supporting plate 30 is clamped with a capturing component 2, the supporting plate 30 in the supporting component 3 can be driven to move downwards along the inner wall of the box body 1 while the power component 5 rotates, the plurality of first springs 31 on the upper surface of the supporting component can be driven to relax, and the supporting plate 30 can also drive the capturing component 2 to move downwards along the box body 1, and the capturing component 2 can accelerate the capturing component 2 to absorb and collect the atmosphere containing VOCs pollutants inside the capturing cavity in the process of the capturing component 1; the supporting plate 30 moves downwards along the box body 1 to drive the baffle plate 32 to close the air inlet 10, so that the collecting cavity is in a relatively airtight state, at the moment, the supporting plate 30 moves downwards along the inner wall of the box body 1 again, the supporting plate 30 can compress the atmosphere containing VOCs pollutants in the collecting cavity, and the compressed atmosphere is discharged from the plurality of exhaust assemblies 4 at the upper part of the supporting plate 30 through the collecting assembly 2, so that the collecting assembly 2 can be ensured to absorb enough atmospheric samples containing the VOCs pollutants; after the analysis, trapping and adsorption sampling of the atmospheric pollution degree is finished, the first spring 31 is contracted to drive the supporting plate 30 to move towards the upper part of the box body 1 until the box body is reset.
As described above, the structure of the trapping assembly 2 needs to be described, the trapping assembly 2 includes the frame 20, the upper surface of the frame 20 is in clamping fit with the lower surface of the supporting plate 30, and the trapping plate 21 is fixedly arranged inside the frame 20.
Specifically, the upper surface of the frame 20 is fixedly provided with a plurality of clamping blocks 200, a plurality of clamping grooves 301 are formed in the lower surface of the supporting plate 30 near the edge, the clamping blocks 200 are respectively matched with the clamping grooves 301 in a clamping manner, and the clamping blocks 200 on the frame 20 are clamped into the clamping grooves 301 on the supporting plate 30, so that the capturing assembly 2 and the supporting assembly 3 can be connected.
It is to be noted that the structure and the working process of the power assembly 5 are described that the power assembly 5 includes a rotating shaft 50, the rotating shaft 50 penetrates through a rotating hub of the fan 100 to extend into the air inlet 10, a steel wire rope 51 is wound around the outer portion of the rotating shaft 50 near the inner end portion, the outer wall of the baffle 32 located at one side of the air inlet 10 is fixedly provided with a boss 321 near the upper end portion, the outer end portion of the steel wire rope 51 is fixedly connected with the boss 321, the outer end portion of the rotating shaft 50 extends out of the fan 100, a handle 52 is fixedly provided at the outer end portion of the rotating shaft 50, the handle 52 is held and rotated, the rotating shaft 52 can be rotated while simultaneously driving the rotating shaft 50 to rotate, the fan 100 fixedly connected with the rotating shaft 50 can be rotated, the air outside the box 1 can be quickly sucked into the box, the rotating shaft 50 can be rotated while simultaneously driving the inner end of the rotating shaft 50 to wind the steel wire rope 51, and at the same time, the steel wire rope 51 pulls the baffle 32 to drive the support plate 30 to move downwards along the inner wall of the box 1.
It should be noted that, the plurality of exhaust components 4 include a cover body 40, a plurality of through holes 300 are provided on the upper surface of the supporting plate 30, the lower openings of the plurality of cover bodies 40 are fixedly connected with the plurality of through holes 300 respectively, the air outlet holes 400 are provided on the top of the outer walls of the plurality of cover bodies 40, the supporting rods 401 are fixedly provided on the lower openings of the plurality of cover bodies 40, the second springs 402 are fixedly provided on the inner surfaces of the plurality of supporting rods 401, the outer ends of the plurality of second springs 402 extend out of the air outlet holes 400, the sealing covers 403 are fixedly provided on the outer ends of the plurality of second springs 402, the lower surfaces of the plurality of sealing covers 403 are movably matched with the outer walls of the plurality of cover bodies 40 respectively, after the air containing VOCs pollutants in the trapping cavity is compressed to a certain extent, the air in the trapping cavity can penetrate through the trapping plate 21 to jack the plurality of exhaust components 4 on the upper portion of the supporting plate 30, the sealing covers 403 on the outer walls of the cover bodies 40 are separated from the cover bodies 40, and the air can be discharged from the air outlet holes 400.
In addition, in order to ensure the stability of connection between the supporting component 3 and the box 1, the sliding grooves 11 are symmetrically formed in two sides of the inside of the box 1, the sliding blocks 320 are symmetrically arranged on the surfaces of two baffle plates 32 on the opposite sides, the sliding blocks 320 are in sliding connection with the sliding grooves 11, and when the baffle plates 32 on two sides of the supporting plate 30 move up and down along the inner wall of the box 1, the two baffle plates 32 can drive the sliding blocks 320 to slide up and down along the sliding grooves 11, so that the accuracy of movement tracks and the stability of connection between the baffle plates 32 and the box 1 are ensured.
After the analysis, trapping and sampling of the atmospheric pollution degree are finished, the trapping assembly 2 needs to be taken out for analysis, the lower surface of the supporting plate 30 is symmetrically provided with the deflector rods 33 at the end parts close to the edges of the two sides, the four deflector rods 33 are rotationally connected with the supporting plate 30, the outer end parts of the two deflector rods 33 positioned on the same side are all extended out of the baffle plate 32, the outer end parts of the deflector rods 33 are movably matched with the bottom of the chute 11, the inner end parts of the deflector rods 33 are movably matched with the frame 20, when the supporting plate 30 drives the outer end parts of the four deflector rods 33 positioned on the lower surface of the deflector rods to be in contact with the lower end parts of the chute 11, the supporting plate 30 continuously moves downwards, at the moment, the outer end parts of the deflector rods 33 are blocked by the lower end parts of the chute 11, so that the outer end parts of the deflector rods 33 are tilted upwards, and simultaneously, the inner end parts of the deflector rods 33 can be driven to downwards press the frame 20, so that the frame 20 is separated from the supporting plate 30, and the trapping plate 21 with the atmospheric VOCs pollutants can be removed.
In addition, the inside bottom that is located of box 1 activity is equipped with collecting vat 12, and collecting vat 12 and trap board 21 movable fit, collecting vat 12 are used for collecting the trap board 21 that has atmospheric VOCs pollutant that takes off.
Secondly, rectangular hole 13 has been seted up to the department that box 1 outer wall is close to the bottom, and collecting vat 12 and rectangular hole 13 movable fit, through pulling out rectangular hole 13 with collecting vat 12, alright take out the outside of box 1 with the entrapment board 21 that adsorbs atmospheric VOCs pollutant, the atmospheric pollution thing of VOCs who gathers is washed with organic solvent and is dissolved, after the reconcentration, can carry out the detection analysis work of atmospheric pollution degree.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. VOCs adsorption trapping device for analyzing atmospheric pollution degree comprises a box body (1) and a trapping assembly (2) arranged in the box body (1), and is characterized in that: an air inlet (10) is formed in one side of the outer wall of the box body (1) close to the bottom, a fan (100) is rotationally arranged at the air inlet (10) and positioned on the outer wall of the box body (1), a supporting component (3) for supporting the collecting component (2) is movably arranged in the box body (1), the supporting component (3) divides the interior of the box body (1) into a collecting cavity and an exhaust cavity, the collecting component (2) is clamped and arranged on the lower surface of the supporting component (3), a plurality of exhaust components (4) for exhausting air are arranged on the upper surface of the supporting component (3), a power component (5) for driving the fan (100) to rotate is fixedly arranged in a rotating hub of the fan, the fan (100) is in transmission connection with the supporting component (3) through the power component (5), and exhaust ports (14) are symmetrically formed in the positions, close to the upper end parts, on two sides of the outer wall of the box body (1);
the supporting component (3) comprises a supporting plate (30), first springs (31) are fixedly arranged on the upper surface of the supporting plate (30) close to four corners, the upper ends of the four first springs (31) are fixedly connected with the top of the inner wall of the box body (1), baffle plates (32) are symmetrically arranged on the edges of two sides of the supporting plate (30), the surfaces of the two opposite baffle plates (32) are respectively in movable fit with the two sides of the inner wall of the box body (1), one baffle plate (32) is used for controlling the opening and closing of the air inlet (10), and a trapping component (2) is clamped on the lower surface of the supporting plate (30);
the trapping assembly (2) comprises a frame (20), the upper surface of the frame (20) is in clamping fit with the lower surface of the supporting plate (30), and a trapping plate (21) is fixedly arranged in the frame (20);
a plurality of exhaust subassembly (4) are including cover body (40), a plurality of through-holes (300) have been seted up to backup pad (30) upper surface, a plurality of the lower mouth department of cover body (40) respectively with a plurality of through-hole (300) fixed connection, a plurality of cover body (40) outer wall is located top department and has all been seted up venthole (400), a plurality of cover body (40) are inside to be located down mouthful department and all fix and be equipped with bracing piece (401), a plurality of bracing piece (401) internal surface is all fixed and is equipped with second spring (402), a plurality of the outer tip of second spring (402) all stretches out the outside of venthole (400), and a plurality of the outer tip of second spring (402) is all fixed and is equipped with sealed lid (403), a plurality of the lower surface of sealed lid (403) respectively with a plurality of cover body (40) outer wall clearance fit.
2. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 1, wherein: the upper surface of the frame (20) is fixedly provided with a plurality of clamping blocks (200), a plurality of clamping grooves (301) are formed in the lower surface of the supporting plate (30) close to the edge, and the clamping blocks (200) are respectively matched with the clamping grooves (301) in a clamping mode.
3. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 1, wherein: the power component (5) comprises a rotating shaft (50), the rotating shaft (50) penetrates through a rotating hub of the fan (100) to extend into the air inlet (10), a steel wire rope (51) is wound on the outer portion, close to the inner end portion, of the rotating shaft (50), located on one side of the air inlet (10), of the outer wall of the baffle (32), a boss (321) is fixedly arranged on the portion, close to the upper end portion, of the baffle, the outer end portion of the steel wire rope (51) is fixedly connected with the boss (321), the outer end portion of the rotating shaft (50) extends out of the fan (100), and a handle (52) is fixedly arranged on the outer end portion of the rotating shaft (50).
4. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 1, wherein: sliding grooves (11) are symmetrically formed in two sides of the inside of the box body (1), sliding blocks (320) are symmetrically arranged on the surfaces of two opposite sides of the baffle (32), and the sliding blocks (320) are in sliding connection with the sliding grooves (11).
5. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 4, wherein: the utility model discloses a frame, including backup pad (30), the tip department symmetry that is close to both sides edge is equipped with driving lever (33), four driving lever (33) all with backup pad (30) rotate to be connected, be located two of same side driving lever (33) outer tip all stretches out to the outside of baffle (32), the outer tip of driving lever (33) with the bottom clearance fit of spout (11), the inner tip of driving lever (33) with frame (20) clearance fit.
6. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 1, wherein: the bottom inside box (1) activity is equipped with collecting vat (12), collecting vat (12) with trap board (21) clearance fit.
7. The VOCs adsorption trap for analyzing the degree of atmospheric pollution according to claim 6, wherein: the box body (1) outer wall is close to the bottom and is provided with a strip hole (13), and the collecting groove (12) is in movable fit with the strip hole (13).
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| CN202310681316.0A CN116698524B (en) | 2023-06-09 | 2023-06-09 | VOCs adsorption trapping device for analyzing atmospheric pollution degree |
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