CN110954457B - Dust data intelligent acquisition device - Google Patents
Dust data intelligent acquisition device Download PDFInfo
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- CN110954457B CN110954457B CN201911335356.XA CN201911335356A CN110954457B CN 110954457 B CN110954457 B CN 110954457B CN 201911335356 A CN201911335356 A CN 201911335356A CN 110954457 B CN110954457 B CN 110954457B
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- smear
- groove
- dust
- toper
- cone
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- 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
-
- 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
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
Abstract
The invention relates to the technical field of environmental monitoring, and discloses an intelligent dust data acquisition device which comprises a detector, wherein a respiratory dust sampling head is fixedly arranged on the upper part of the side surface of the detector. This dust data intelligence collection system, through two permanent magnets and the cooperation of awl frame top fixed mounting's permanent magnet at the toper smear internal surface top fixed mounting that set up the toper, permanent magnet one and two heteropolar contacts of permanent magnet, inter attraction, carry out the fixed of upper and lower direction to the toper smear, the dusty air current flows downwards at toper smear surface, can pass through the direction of arc groove one, the effect powerful to the toper smear, make the toper smear can use permanent magnet one, two permanent magnet are the mid point and carry out the rotation that slides at the surface of awl frame, toper smear rotation can produce centrifugal force, can be thrown away the surface of toper smear under the effect of centrifugal force and large granule dust self effect, the coating area of the silicone grease of the further increase of arc groove of seting up.
Description
Technical Field
The invention relates to the technical field of environmental monitoring, in particular to an intelligent dust data acquisition device.
Background
With the continuous development of the society, not only a large amount of dust can be generated in industries such as coal mines, cement production and the like, but also the dust content in the current atmosphere is continuously increased, the collection demand of the society on air dust concentration data is more and more large, a dust concentration detector is a commonly used dust concentration data collection device, the aerodynamic diameter of dust is below 7.07 micrometers, the collection efficiency of dust with the aerodynamic diameter of 5 micrometers is 50%, the dust is called as respiratory dust, the respiratory dust can be deposited in alveolus and is very harmful to human bodies, and the respiratory dust concentration data in the air needs to be monitored by the respiratory dust detector.
Before the respiratory dust detector is started, the sampling head needs to be detached and disassembled to be divided into three parts, namely a filtering steel frame, a separator and a ventilation cover, the smear on the fixed disc on the upper surface of the separator is detached, the surface of the smear is coated with silicone grease, clamping filter paper on the upper surface of the filter steel frame, fastening the three parts in threaded fit, fixing the three parts on the detector in threaded manner, starting the detector, its inside aspiration pump begins work, form the air current with the dusty gas of detector outside through the through-hole at ventilation cover middle part, dusty air current can strike on the smear that scribbles the silicone grease, the silicone grease can be with the great dust adhesion of diameter, respiratory dust gets into the separator along with the air current to both sides diffusion, further separation is carried out with the large granule dust, the dusty air current separates the large granule dust once more through the filter paper on the filtration steelframe at last, the air current that will contain respiratory dust lets in equipment, carry out concentration detection.
Present respiratory dust detector's sampling head is in the course of the work, the smear is the platykurtic, the air is through ventilating behind the through-hole in the lid, can form the air current and strike on the smear, the smear can produce the vibrations of direction about the impact effect down, the smear is damaged easily in the use, and the area of contact of flat smear and dusty air current is little, adhesion large granule dust is few, it is not good to the adhesion effect of large granule dust, the smear that is adhered to the dust, adhesion effect worsens after using for a long time.
Disclosure of Invention
The invention provides an intelligent dust data acquisition device which has the advantages that a conical smear coated with silicone grease cannot bear larger airflow impact force, more adhered larger dust is generated, and a part of adhered dust can be thrown out by rotating centrifugal force, so that the adhesion effect of a conical sheet is ensured, and the problems that a flat smear is larger in airflow impact force and the adhesion effect is poor after large-particle dust is adhered are solved.
The invention provides the following technical scheme: an intelligent dust data acquisition device comprises a detector, wherein a respiratory dust sampling head is fixedly mounted at the upper part of the side surface of the detector, the respiratory dust sampling head comprises a filtering steel frame, filter paper is clamped at the middle part of the upper surface of the filtering steel frame, a separator is mounted on the upper surface of the filtering steel frame in a threaded manner, a support is fixedly mounted in an inner cavity of the separator, a ventilation cover is mounted on the upper surface of the separator in a threaded manner, a through hole is formed in a center shaft of the ventilation cover, an inverted round table is fixedly mounted in the middle of the upper surface of the support, a table groove is formed in the upper surface of the inverted round table, a cone frame is fixedly mounted in the middle of the upper surface of the inverted round table and positioned at the bottom of the table groove, a first permanent magnet is fixedly mounted at the top of the cone frame, dust collecting grooves are formed in the periphery of the cone frame, and a conical smear is magnetically absorbed on the outer surface of the cone frame, arc groove one has been seted up to the surface of toper smear, the bottom of toper smear is provided with the curved groove of direction, the bottom of ventilating cover seted up with invert round platform, awl frame size complex cooperation groove, the top fixed mounting of toper smear internal surface has permanent magnet two, arc groove two has been seted up on the surface in cooperation groove.
Preferably, the taper frame and the taper smear are in a taper shape and matched in size.
Preferably, the arc groove is an arc groove which is coiled on the outer surface of the conical smear.
Preferably, a guide direction of the guide curved groove coincides with an inclination direction of the table groove.
Preferably, the platform groove is in an inverted circular truncated cone shape, and after the separator is in threaded fit with the vent cover, a gap is left between the platform groove and the fit groove.
Preferably, the arc groove two circles are arranged on the surface of the matching groove.
The invention has the following beneficial effects:
the dust data intelligent acquisition device is characterized in that a permanent magnet II fixedly arranged at the top of the inner surface of a conical smear and fixedly arranged on the top of a conical frame are matched with a permanent magnet I fixedly arranged on the top of the conical frame, the permanent magnet I is in heteropolar contact with the permanent magnet II and mutually attracts, the conical smear is fixed up and down, the dust-containing air flow flows downwards on the lower surface of the conical smear and can be guided by the first arc groove, the conical smear is acted forcefully, so that the conical smear can slide and rotate on the outer surface of the cone frame by taking the permanent magnet I and the permanent magnet II as the middle points, the rotation of the conical smear can generate centrifugal force, the outer surface of the conical smear can be thrown out under the action of centrifugal force and large particle dust, the coating area of the silicone grease is further increased by the arc groove, meanwhile, the contact adhesion effect of the dusty airflow and the silicone grease is also improved, and the adhesion effect of the conical smear coated with the silicone grease after long-time work is ensured under the action of centrifugal force.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an explosive structure of a sampling head according to the present invention;
FIG. 3 is a schematic view of the separator of the present invention;
FIG. 4 is a schematic cross-sectional view of a conical sheet according to the present invention;
FIG. 5 is a front view of the mating groove of the present invention.
In the figure: 1. a detector; 2. a respiratory dust sampling head; 3. filtering the steel frame; 4. filtering paper; 5. a separator; 6. a vent cover; 7. a through hole; 8. a support; 9. inverting the round table; 10. a platform groove; 11. a conical frame; 12. a first permanent magnet; 13. a dust collecting groove; 14. a conical smear; 15. a first arc groove; 16. a guide curved slot; 17. a mating groove; 18. a second permanent magnet; 19. and a second arc groove.
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.
Referring to fig. 1-5, an intelligent dust data collecting device comprises a detector 1, a respiratory dust sampling head 2 is fixedly mounted at the upper part of the side surface of the detector 1, the respiratory dust sampling head 2 comprises a filtering steel frame 3, a filter paper 4 is clamped at the middle part of the upper surface of the filtering steel frame 3, a separator 5 is mounted on the upper surface of the filtering steel frame 3 in a threaded manner, a support 8 is fixedly mounted in the inner cavity of the separator 5, a vent cover 6 is mounted on the upper surface of the separator 5 in a threaded manner, a through hole 7 is formed in the center shaft of the vent cover 6, an inverted circular truncated cone 9 is fixedly mounted in the middle of the upper surface of the support 8, a cone groove 10 is formed in the upper surface of the inverted circular truncated cone 9, a cone frame 11 is fixedly mounted in the middle of the upper surface of the inverted circular truncated cone 9 and positioned at the bottom of the cone groove 10, a permanent magnet one 12 is fixedly mounted at the top of the cone frame 11, and dust collecting grooves 13 are formed in the upper surface of the inverted circular truncated cone 9 and positioned at the periphery of the cone frame 11, the outer surface magnetism of awl frame 11 has been inhaled toper smear 14, and the outer surface of toper smear 14 has seted up arc groove one 15, and the bottom of toper smear 14 is provided with direction curved slot 16, and the bottom of breather cover 6 is seted up with inversion round platform 9, awl frame 11 size complex cooperation groove 17, and the top fixed mounting of the 14 internal surface of toper smear has permanent magnet two 18, and arc groove two 19 has been seted up on the surface of cooperation groove 17.
Wherein, the awl frame 11 is coniform and size cooperation with toper smear 14, through coniform complex awl frame 11, toper smear 14 for through the air current that through-hole 7 inspiratory air formed and the upper surface contact of toper smear 14, the air current impact force reduces, produced vibration weakens, has improved toper smear 14's life, and the toper smear 14 area of conical surface is bigger, and the large granule dust of adhesion is more, and dust removal effect is better.
Wherein, arc groove 15 is the spiral at the 14 apparent arc walls of toper smear, arc groove 15 through circling, make the perpendicular dusty air current that descends flow along arc groove 15, can produce the effect to the lateral wall of arc groove 15, make toper smear 14 can use two 18 rotations of permanent magnet, produce centrifugal force, centrifugal force and dust self gravity can throw away the large granule dust of 14 surperficial adhesion wind of toper smear to platform groove 10, fall into the collection in the dust collecting tank 13 along platform groove 10 surface under the effect of self gravity, the adhesion effect on toper smear 14 surface after having guaranteed long-time work, arc groove 15 of seting up has increased the coating area of silicone grease, and with the area of contact of air current, adhesion large granule dust effect is better.
Wherein, the guiding direction of direction curved groove 16 is unanimous with the incline direction of platform groove 10, through the guiding action of the curved groove 16 of direction that sets up for along the toper smear 14 surface downward flow dusty air current diversion direction to between platform groove 10 and the cooperation groove 17, blockked that decurrent air current directly gets into dust collecting tank 13 and blows off the large granule dust of collecting once more, get into in separator 5, changed the flow direction of dusty air current, guarantee dust collecting tank 13's collection effect.
Wherein, platform groove 10 is inverted round platform form, separator 5 and the 6 screw-thread fit backs of ventilative lid, leave the gap between platform groove 10 and the cooperation groove 17, through spaced platform groove 10 and cooperation groove 17, and the platform groove 10 of inverted round platform, make the air current upwards flow that inclines, the large granule air current of carrying falls down the surface of platform groove 10 under its own gravity effect and arc groove two 19's separation, and fall into collection in the dust collecting tank 13 along platform groove 10, further handsome selection is carried out to the large granule dust, the separation effect of respiratory dust sampling head 2 has been improved.
Wherein, arc groove two 19 is convoluted and is seted up on the surface of cooperation groove 17, and through arc groove two 19 that spirals for arc groove two 19 has separation deceleration effect to the large granule dust in the dusty air current, and dust separation effect is better, and is further, and the guide effect that spirals makes dusty air current get into certain rotation rate in the separator 5, makes the rotatory separation effect of separator 5 better.
The working principle of the dust data acquisition device is as follows:
before the detector 1 is started, the respiratory dust sampling head 2 needs to be detached and disassembled to be divided into three parts, namely a filtering steel frame 3, a separator 5 and a vent cover 6, a conical smear 14 in an inverted round table 9 on the upper surface of the separator 5 is detached, silicone grease is coated on the outer surface of the conical smear 14 and then matched with a conical frame 11, a filter paper 4 is clamped on the upper surface of the filtering steel frame 3, the three parts are fastened in a threaded fit mode and fixed on the detector 1 in a threaded mode, the detector 1 is started, an air suction pump in the detector 1 starts to work, dust-containing gas outside the detector 1 forms air flow through a through hole 7 in the middle of the vent cover 6, the dust-containing air flow can impact on the conical smear 14 coated with the silicone grease, the conical smear 14 can break the air flow and flow along a first arc groove 15, force is applied to the side wall of the first arc groove 15, the conical smear 14 can rotate to throw out adhered large-particle dust, get rid of the surface of platform groove 10, the air current through arc groove 15 flows to direction curved groove 16 department, direction curved groove 16 is to the air current direction side top, make the air current get into the gap between platform groove 10 and the cooperation groove 17, two 19 arc grooves that cooperation groove 17 surface was seted up make the large granule dust in the dusty air current fall to the surface of platform groove 10 under self action of gravity, the large granule dust can fall into collection in the dust collecting tank 13 along platform groove 10 surface, two 19 curved arc grooves make the air current enter into and have certain initial rotation in the separator 5, the separation effect is better, the large granule dust is separated once more through filter paper 4 on the filter 3 to the dusty air current at last, the air current that will contain respiratory steelframe dust lets in detector 1, carry out concentration detection.
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 utility model provides a dust data intelligence collection system, includes detector (1), the upper portion fixed mounting of detector (1) side has respiratory dust sampling head (2), respiratory dust sampling head (2) is including filtering steelframe (3), the middle part joint of filtering steelframe (3) upper surface has filter paper (4), filter the upper surface screw thread of steelframe (3) and install separator (5), the inner chamber fixed mounting of separator (5) has support (8), upper surface screw thread of separator (5) is installed and is ventilated lid (6), through-hole (7), its characterized in that have been seted up to the axis of ventilating lid (6): the middle part of the upper surface of the support (8) is fixedly provided with an inverted round platform (9), the upper surface of the inverted round platform (9) is provided with a platform groove (10), the upper surface of the inverted round platform (9) is fixedly provided with a cone frame (11) in the middle part of the bottom surface of the platform groove (10), the top of the cone frame (11) is fixedly provided with a first permanent magnet (12), the upper surface of the inverted round platform (9) is arranged around the cone frame (11) and is provided with a dust collecting groove (13), the outer surface of the cone frame (11) is provided with a cone smear (14) in a magnetic absorption manner, the outer surface of the cone smear (14) is provided with a first arc groove (15), the bottom of the cone smear (14) is provided with a guide bent groove (16), the bottom of the ventilation cover (6) is provided with a matching groove (17) matched with the inverted round platform (9) and the cone frame (11) in size, and the top of the inner surface of the cone smear (14) is fixedly provided with a second permanent magnet (18), and the surface of the matching groove (17) is provided with a second arc groove (19).
2. The intelligent dust data acquisition device of claim 1, wherein: the cone frame (11) and the cone smear (14) are in a cone shape and are matched in size.
3. The intelligent dust data acquisition device of claim 1, wherein: the first arc groove (15) is an arc groove which is spirally wound on the outer surface of the conical smear (14).
4. The intelligent dust data acquisition device of claim 1, wherein: the guide direction of the guide curved groove (16) is consistent with the inclination direction of the table groove (10).
5. The intelligent dust data acquisition device of claim 1, wherein: the platform groove (10) is in an inverted round table shape, and after the separator (5) is in threaded fit with the vent cover (6), a gap is reserved between the platform groove (10) and the fit groove (17).
6. The intelligent dust data acquisition device of claim 1, wherein: the second arc groove (19) is spirally formed on the surface of the matching groove (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201911335356.XA CN110954457B (en) | 2019-12-23 | 2019-12-23 | Dust data intelligent acquisition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911335356.XA CN110954457B (en) | 2019-12-23 | 2019-12-23 | Dust data intelligent acquisition device |
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| CN110954457A CN110954457A (en) | 2020-04-03 |
| CN110954457B true CN110954457B (en) | 2022-01-14 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113804579B (en) * | 2020-06-16 | 2023-08-22 | 中国石油天然气股份有限公司 | Sample rack for measuring catalyst content in slurry oil by ash separation method and testing method |
| CN116930021B (en) * | 2023-09-15 | 2023-12-08 | 武汉森源蓝天环境科技工程有限公司 | Dust detection device |
| CN117451451A (en) * | 2023-10-23 | 2024-01-26 | 广州达安临床检验中心有限公司 | Sample biopsy frozen section supporting support structure |
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