CN217084357U - Nesting doll type air dust-fall sampling device - Google Patents
Nesting doll type air dust-fall sampling device Download PDFInfo
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- CN217084357U CN217084357U CN202220891806.4U CN202220891806U CN217084357U CN 217084357 U CN217084357 U CN 217084357U CN 202220891806 U CN202220891806 U CN 202220891806U CN 217084357 U CN217084357 U CN 217084357U
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Abstract
The utility model discloses a cover child formula air dust fall sampling device, including fixing base, stainless steel stationary mast, the outer bucket of stainless steel and first dust fall jar, the round hole has been seted up to the inside central position department of fixing base, and the inside of round hole has inserted the stainless steel stationary mast, and the inside central position department of the outer bucket of stainless steel has placed first dust fall jar, and the inside central position department of first dust fall jar has placed second dust fall jar, and the inside central position department of second dust fall jar has placed third dust fall jar. The utility model discloses an install fixing base, stainless steel stationary mast, the outer bucket of stainless steel, first dust fall jar, second dust fall jar and third dust fall jar, the outer bucket of stainless steel is put into to first dust fall jar, the central position department in first dust fall jar is put to the second dust fall jar, the central position department in second dust fall jar is put to the third dust fall jar, the structure of cover child formula does benefit to the problem that the dust fall dust collection efficiency that solution dry process collection received the wind-force influence and lead to is low.
Description
Technical Field
The utility model relates to an ecological environment monitoring sampling technical field specifically is a cover child formula air dust fall sampling device.
Background
Air dust fall is an important monitoring project for atmospheric environment quality monitoring by an ecological environment monitoring department, dust fall collection methods adopted at home and abroad at present mainly comprise a dry collection method, a wet collection method and a glass ball collection method, and many researchers at home and abroad research the dust collection efficiency of each method by using a single dust fall cylinder to discover that the dust collection efficiency of the wet collection method is higher than that of the glass ball collection method and that of the glass ball collection method, so that the dust collection efficiency of the national standard of China is higher than that of the dry collection method, and therefore, the dust fall samples are collected by the wet collection method.
The dry collection has no defect of the wet collection, the dust collection efficiency is low, the important reason is that the influence of wind power on ultrafine particles in the dust falling cylinder is huge, the glass ball method is higher than the dry sampling, the roughness of the dust falling cylinder bottom is increased by the glass balls in the dust falling cylinder, and the influence of the wind power is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cover child formula air dust fall sampling device to current collection system who proposes in solving above-mentioned background art receives the wind-force influence and leads to the dust fall inefficiency of gathering dust easily.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a cover child formula air dust fall sampling device, includes outer bucket of fixing base, stainless steel stationary mast, stainless steel and first dust fall jar, the round hole has been seted up to the inside central position department of fixing base, just the stainless steel stationary mast has been inserted in the inside of round hole, the top of stainless steel stationary mast is provided with outer bucket of stainless steel, just first dust fall jar has been placed to the inside central position department of outer bucket of stainless steel, second dust fall jar has been placed to the inside central position department of first dust fall jar, just third dust fall jar has been placed to the inside central position department of second dust fall jar.
Preferably, four corners of fixing base bottom all are provided with the fixed plate, just all pass the spud pile on the fixed plate, the bottom evenly distributed in the spud pile outside has the bellying, improves the joint strength between spud pile and the stratum.
Preferably, the bottom of the stainless steel outer barrel is provided with a barrel bottom, a mounting hole is formed in the center of the barrel bottom, and the top end of the stainless steel fixing stand column is connected with the mounting hole, so that the stainless steel fixing stand column is connected with the barrel bottom.
Preferably, the height of the round hole is the same as the thickness of the fixing seat, the fixing seat is a cast iron block, the stability of the stainless steel fixing upright is improved, and the stainless steel fixing upright is not easy to incline in windy weather.
Preferably, the bottom of spud pile all is provided with the pile head, just the pile head all is the toper structure of inversion, the outside of pile head is evenly seted up flutedly, further increases resistance to plucking.
Preferably, the inner wall processing of mounting hole has the internal thread, the top processing of stainless steel stationary mast has the external screw thread with internal thread assorted, just the length of external screw thread is the same with the height of mounting hole, the installation and the dismantlement between the outer bucket of stainless steel and the stainless steel stationary mast of being convenient for.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the doll-type air dust-fall sampling device is characterized in that a fixing seat, a stainless steel fixing upright post, a stainless steel outer barrel, a first dust-fall cylinder, a second dust-fall cylinder and a third dust-fall cylinder are installed on the fixing seat, the stainless steel fixing upright post is fixed on the fixing seat, the stainless steel outer barrel is installed at the top of the stainless steel fixing upright post, then the first dust-fall cylinder is placed in the stainless steel outer barrel, the second dust-fall cylinder is placed at the central position in the first dust-fall cylinder, the third dust-fall cylinder is placed at the central position in the second dust-fall cylinder, then standing is carried out to sample dust fall in the environment, dust fall amount data are respectively calculated after sampling, and the purpose of sampling is realized at a monitoring point, the dust fall monitoring is carried out for one time by a set of sampling device, then the data analysis is carried out on the sampling data, the incredible data can be removed, thereby obtaining the credible data, this air dust fall sampling device of a set of child formula structure does benefit to and solves the dry process and collects the dust fall dust collection inefficiency problem that leads to because of the influence of wind-force.
(2) This overlap child formula air dust fall sampling device is provided with the barrel head through the bottom at the outer bucket of stainless steel, has seted up the mounting hole on the barrel head, and the mounting hole inner wall is provided with the internal thread, and the top processing of stainless steel stationary mast has the external screw thread for mounting hole threaded connection on the top of stainless steel stationary mast and the barrel head, the installation and the dismantlement between the outer bucket of stainless steel of being convenient for and the stainless steel stationary mast, the dismouting is convenient.
(3) This overlap child formula air dust fall sampling device all is provided with the fixed plate through four corners in the fixing base bottom, the bottom of fixed plate all is provided with the spud pile, the outside of spud pile bottom evenly is provided with the bellying, do benefit to the area of contact who increases between spud pile surface and the stratum, thereby improve the joint strength between spud pile and the stratum, furthermore, the bottom of spud pile is fixed with the pile head, do benefit to and insert the spud pile ground, it is fixed to do benefit to being connected of fixing base and ground, overhead evenly distributed of pile is fluted simultaneously, can further increase resistance to plucking performance, avoid fixing base slope or collapse.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic top view of the fixing base of the present invention;
fig. 3 is a schematic view of the bottom of the barrel according to the present invention;
fig. 4 is an enlarged schematic structural view of a point a in fig. 1 according to the present invention;
fig. 5 is an enlarged schematic view of the fixing pile of the present invention.
In the figure: 1. a fixed seat; 2. stainless steel fixed columns; 3. a barrel bottom; 4. a third dust falling cylinder; 5. a stainless steel outer barrel; 6. a first dustfall cylinder; 7. a second dustfall cylinder; 8. a fixing plate; 9. a circular hole; 10. fixing the pile; 11. mounting holes; 12. an external thread; 13. an internal thread; 14. a boss portion; 15. pile head; 16. and (4) a groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides an embodiment: a nesting doll type air dust fall sampling device comprises a fixed seat 1, a stainless steel fixed upright post 2, an outer stainless steel barrel 5 and a first dust fall cylinder 6, wherein a round hole 9 is formed in the center of the inside of the fixed seat 1, the stainless steel fixed upright post 2 is inserted into the round hole 9, the outer stainless steel barrel 5 is arranged at the top end of the stainless steel fixed upright post 2, the barrel wall of the outer stainless steel barrel 5 is 2.5 mm thick, the inner diameter of the barrel is 155 mm, and the barrel height is 200 mm;
the device is washed twice by tap water and distilled water in a laboratory, and then is respectively put into a clean plastic bag to be sealed and brought into a sampling site, at the sampling site, the fixed seat 1 is fixedly connected with the ground, and the fixed seat 1 is 200 mm thick, 400 mm long and 400 mm wide;
then the stainless steel fixed upright post 2 is inserted into a round hole 9 on the fixed seat 1, wherein the diameter of the round hole 9 is 30 mm, and the depth is 200 mm;
the height of the round hole 9 is the same as the thickness of the fixed seat 1, and the fixed seat 1 is a cast iron block, so that the stainless steel fixed upright post 2 penetrates through the fixed seat 1, the stability of the stainless steel fixed upright post 2 is improved, and the stainless steel fixed upright post is not easy to incline in windy weather;
then, fixing a stainless steel outer barrel 5 on the top of a stainless steel fixed upright post 2, wherein the wall thickness of the stainless steel fixed upright post 2 is 5 mm, the inner diameter is 20 mm, the length is 1500 mm, the bottom end of the stainless steel outer barrel 5 is provided with a barrel bottom 3, the thickness of the barrel bottom 3 is 15 mm, a mounting hole 11 is arranged in the center of the barrel bottom 3, the diameter of the mounting hole 11 is 30 mm, the height of the mounting hole is 15 mm, and the top end of the stainless steel fixed upright post 2 is connected with the mounting hole 11;
an internal thread 13 is processed on the inner wall of the mounting hole 11, the length of the internal thread 13 is 15 mm, an external thread 12 matched with the internal thread 13 is processed at the top end of the stainless steel fixing upright post 2, and the length of the external thread 12 is the same as the height of the mounting hole 11;
a first dustfall cylinder 6 is arranged at the central position inside the stainless steel outer barrel 5, the thickness of the cylinder bottom and the cylinder wall of the first dustfall cylinder 6 is 2 mm, the inner diameter of the cylinder is 150 mm, and the height of the cylinder is 300 mm;
a second dustfall cylinder 7 is placed in the center of the interior of the first dustfall cylinder 6, the cylinder bottom and the cylinder wall are 2 mm thick, the cylinder inner diameter is 100 mm, and the cylinder height is 200 mm;
a third dustfall cylinder 4 is placed in the center of the interior of the second dustfall cylinder 7, the cylinder bottom and the cylinder wall are 2 mm thick, the cylinder inner diameter is 50 mm, and the cylinder height is 100 mm;
placing a first dustfall cylinder 6 into a stainless steel outer barrel 5, placing a second dustfall cylinder 7 at the central position in the first dustfall cylinder 6, placing a third dustfall cylinder 4 at the central position in the second dustfall cylinder 7, standing, and sampling dustfall in the environment;
after sampling is finished, washing the dust particles on the outer wall of the third dust-settling cylinder 4 by using a bottle washing filled with distilled water, entering the second dust-settling cylinder 7, and washing the dust particles on the outer wall of the second dust-settling cylinder 7 by using the bottle washing filled with the distilled water, entering the first dust-settling cylinder 6;
the air dust-settling sampling device with the doll type structure is beneficial to solving the problem of low dust-settling and dust-collecting efficiency caused by the influence of wind force on dry collection;
then, distilled water is used for washing dustfall of the third dustfall cylinder 4, the second dustfall cylinder 7 and the first dustfall cylinder 6, the dustfall enters an evaporation vessel, after water is evaporated, an analytical balance is used for weighing, and the dustfall mass and the cylinder opening sectional area of the third dustfall cylinder 4, the second dustfall cylinder 7 and the first dustfall cylinder 6 are respectively recorded;
then, the dustfall mass of the first dustfall cylinder 6, the second dustfall cylinder 7 and the third dustfall cylinder 4 is respectively calculated, then, when the dustfall mass of the third dustfall cylinder 4 is added with the dustfall mass of the second dustfall cylinder 7, the dustfall amount of the second dustfall cylinder 7 is calculated, and when the dustfall mass of the third dustfall cylinder 4, the dustfall mass of the second dustfall cylinder 7 and the dustfall mass of the first dustfall cylinder 6 are added, the dustfall amount of the first dustfall cylinder 6 is calculated;
the method is characterized in that once dust fall monitoring is carried out at a monitoring point through a set of sampling device, 5 monitoring data can be obtained, the 5 data are subjected to data analysis, and the unreliable data are removed, so that the credible data are obtained;
the bottom end of the outer side of the fixed pile 10 is uniformly provided with the convex parts 14, which is beneficial to increasing the contact area between the surface of the fixed pile 10 and the stratum, thereby improving the connection strength between the fixed pile 10 and the stratum;
the bottom of spud pile 10 all is provided with pile head 15, and pile head 15 all is the toper structure of invering, does benefit to and inserts spud pile 10 ground, and recess 16 has evenly been seted up in pile head 15's the outside, can further increase resistance to plucking performance, avoids fixing base 1 slope or collapses.
The working principle is as follows: when the device is used, firstly, the device is washed twice by running water and distilled water in a laboratory, and then the device is put into a clean plastic bag to be sealed and brought into a sampling site, at the sampling site, firstly, the fixing seat 1 is fixedly connected with the ground, four corners at the bottom of the fixing seat 1 are respectively provided with the fixing plates 8, the bottom ends of the fixing plates 8 are respectively provided with the fixing piles 10, the bottom of each fixing pile 10 is fixedly provided with the pile head 15 to facilitate the insertion of the fixing pile 10 into the ground, the outer side of the bottom of each fixing pile 10 is uniformly provided with the protruding parts 14 to facilitate the increase of the contact area between the surface of each fixing pile 10 and the ground, so that the connection strength between each fixing pile 10 and the ground is improved, meanwhile, the grooves 16 are uniformly distributed on the pile heads 15, the anti-pulling performance can be further improved, the inclination or collapse of the fixing seat 1 is avoided, and then the stainless steel fixing upright 2 is inserted into the round hole 9 on the fixing seat 1, then, the stainless steel outer barrel 5 is fixed at the top of the stainless steel fixed stand column 2, a mounting hole 11 is formed in the barrel bottom 3, an inner thread 13 is arranged on the inner wall of the mounting hole 11, an outer thread 12 is processed at the top of the stainless steel fixed stand column 2, the top end of the stainless steel fixed stand column 2 is in threaded connection with the mounting hole 11 in the barrel bottom 3, the stainless steel outer barrel 5 and the stainless steel fixed stand column 2 are convenient to mount and dismount, then, the first dust settling cylinder 6 is placed in the stainless steel outer barrel 5, the second dust settling cylinder 7 is placed in the central position in the first dust settling cylinder 6, the third dust settling cylinder 4 is placed in the central position in the second dust settling cylinder 7, then, standing is conducted to conduct dust collection on dust in the environment, the problem that dust settling efficiency is low due to the fact that dry collection is affected by wind power is solved, and the first dust settling cylinder 6, the dust collection efficiency is calculated after sampling, And the dustfall quality of the second dustfall cylinder 7 and the third dustfall cylinder 4 is subjected to data analysis on the sampled data, and the unreliable data are removed, so that the credible data are obtained.
Claims (6)
1. The utility model provides a cover child formula air dust fall sampling device, a serial communication port, including fixing base (1), stainless steel stationary mast (2), the outer bucket of stainless steel (5) and first dust fall jar (6), round hole (9) have been seted up to the inside central position department of fixing base (1), just stainless steel stationary mast (2) have been inserted to the inside of round hole (9), the top of stainless steel stationary mast (2) is provided with the outer bucket of stainless steel (5), just first dust fall jar (6) have been placed to the inside central position department of the outer bucket of stainless steel (5), second dust fall jar (7) have been placed to the inside central position department of first dust fall jar (6), just third dust fall jar (4) have been placed to the inside central position department of second dust fall jar (7).
2. The nesting doll type air dust-settling sampling device of claim 1, which is characterized in that: four corners of fixing base (1) bottom all are provided with fixed plate (8), just all pass spud pile (10) on fixed plate (8), the bottom evenly distributed in spud pile (10) outside has bellying (14).
3. The nesting doll type air dust-settling sampling device of claim 1, which is characterized in that: the bottom of the stainless steel outer barrel (5) is provided with a barrel bottom (3), a mounting hole (11) is formed in the center of the barrel bottom (3), and the top end of the stainless steel fixing upright post (2) is connected with the mounting hole (11).
4. The nesting doll type air dust-settling sampling device of claim 1, which is characterized in that: the height of the round hole (9) is the same as the thickness of the fixed seat (1), and the fixed seat (1) is a cast iron block.
5. The nesting doll type air dust fall sampling device according to claim 2, characterized in that: the bottom of spud pile (10) all is provided with pile head (15), just pile head (15) all are the toper structure of invering, the outside of pile head (15) is evenly seted up flutedly (16).
6. The nesting doll type air dust-settling sampling device according to claim 3, wherein: the inner wall of mounting hole (11) is processed there is internal thread (13), the top processing of stainless steel fixed column (2) have with internal thread (13) assorted external screw thread (12), just the length of external screw thread (12) is the same with the height of mounting hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891806.4U CN217084357U (en) | 2022-04-18 | 2022-04-18 | Nesting doll type air dust-fall sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220891806.4U CN217084357U (en) | 2022-04-18 | 2022-04-18 | Nesting doll type air dust-fall sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217084357U true CN217084357U (en) | 2022-07-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220891806.4U Active CN217084357U (en) | 2022-04-18 | 2022-04-18 | Nesting doll type air dust-fall sampling device |
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| Country | Link |
|---|---|
| CN (1) | CN217084357U (en) |
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- 2022-04-18 CN CN202220891806.4U patent/CN217084357U/en active Active
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Effective date of registration: 20221221 Address after: No. 11, Xinshan Road, Nangang District, Harbin, Heilongjiang, 150000 Patentee after: Heilongjiang Zhixin Environmental Testing Co.,Ltd. Address before: 150000 environmental monitoring center station, No.68 Jianguo Street, Daoli District, Harbin City, Heilongjiang Province Patentee before: Wang Jian |