CN118258657B - High-load atmospheric particulate sampler - Google Patents
High-load atmospheric particulate sampler Download PDFInfo
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- CN118258657B CN118258657B CN202410672839.3A CN202410672839A CN118258657B CN 118258657 B CN118258657 B CN 118258657B CN 202410672839 A CN202410672839 A CN 202410672839A CN 118258657 B CN118258657 B CN 118258657B
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- sampler
- ring
- filter cylinder
- cover
- filter
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- 239000000428 dust Substances 0.000 claims abstract description 50
- 239000002245 particle Substances 0.000 claims abstract description 39
- 239000013618 particulate matter Substances 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000007664 blowing Methods 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 20
- 238000010408 sweeping Methods 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 35
- 238000004140 cleaning Methods 0.000 abstract description 31
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012545 processing Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000013585 weight reducing agent Substances 0.000 abstract description 2
- 230000010354 integration Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 7
- 230000001680 brushing effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 239000002131 composite material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000008277 atmospheric particulate matter Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/12—Brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
- B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
- B01D46/2411—Filter cartridges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/34—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis parallel to the surface
-
- 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
-
- 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
- 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
- G01N1/34—Purifying; Cleaning
-
- 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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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Geometry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a high-load atmospheric particulate sampler, which relates to the technical field of particulate samplers and comprises: the filter cylinder with a circular structure is hung on the bottom of the suction fan in a threaded manner; the bottom of the semicircular dust shielding sleeve is welded and hoisted with a half-circle triangular driving block in an annular array; the center position welding of sampler casing diapire hangs and is equipped with the blowing pipe, and the inside center department of blowing pipe is through the top of spring slidable mounting has the impact block, and the symmetrical welding has two horizontally arranged atress poles on the impact block, follows the ring gear and rotates, and the triangle drive piece supports with the atress pole inclined plane in proper order and leans on the contact for the impact block is impacted from top to bottom and is implemented vibration clearance to the particulate matter of interception on the filter cartridge. The invention can combine the optimized integration of the driving mechanisms of the two sets of cleaning mechanisms for common use, so that the particle sampler can realize complete and comprehensive collection of particles and simplify the structure, thereby being beneficial to the overall weight reduction of the particle sampler and reducing the manufacturing and processing difficulty.
Description
Technical Field
The invention relates to the technical field of particulate matter samplers, in particular to a high-load atmospheric particulate matter sampler.
Background
The atmospheric particulate sampler is a special instrument for collecting suspended particulate in the atmosphere. Its main function is to collect suspended particulate matter in the air, such as total suspended particulate matter (TSP), respirable particulate matter (PM 10), fine particulate matter (PM 2.5), etc., onto a filter membrane or other collection medium by specific techniques and apparatus. The collected samples can be further used for analyzing the concentration, the components, the physical properties and the like of the particulate matters, and provide important data support for atmospheric environment monitoring, scientific research, pollution control and the like. The atmospheric particulate sampler is typically comprised of a suction fan, a filtration unit, and a unit for cleaning and collecting the particles intercepted by the filtration unit.
The existing particle sampler is used for thoroughly and comprehensively collecting particles blocked and adhered on a filter membrane, a filter screen and other filter components, and some particle sampler is provided with two mechanisms for carrying out composite shedding cleaning on the particles, such as a rotary sweeping cleaning mechanism and a composite vibration shedding cleaning mechanism, but the two shedding cleaning mechanisms are respectively required to be respectively matched with a driving mechanism alone, so that the two sets of driving mechanisms cannot be optimally integrated and shared, the particle sampler is caused to thoroughly and comprehensively collect the particles, and the particle sampler is required to be subjected to a complex and heavy structure, so that the whole structure is simplified, the weight is reduced, and the manufacturing and processing difficulty is reduced.
Disclosure of Invention
In view of the above, the invention provides a high-load atmospheric particulate sampler to solve the problems that two shedding cleaning mechanisms are needed to be matched with each other separately, and the two sets of driving mechanisms cannot be combined and shared in an optimized and integrated way, so that the integral structure of the particulate sampler is not easy to simplify, the weight is reduced, and the manufacturing and processing difficulty is reduced.
The technical scheme provided by the invention is as follows: the utility model provides a high load atmospheric particulates sample thief, specifically includes sample thief casing and suction fan; a top cover is fixedly blocked on the top end opening of the sampler shell, and a suction fan is arranged at the central position of the top cover in a penetrating way;
The filter cylinder with a circular structure is hung on the bottom of the suction fan in a threaded manner; a gear ring is rotatably arranged on the outer side of the bottom of the suction fan, and two semicircular dust shielding sleeves are symmetrically and slidably arranged in the gear ring; two brush plates are symmetrically welded at the bottom of the gear ring, and the brush plates are rotated along with the gear ring to clean particles intercepted on the filter cylinder;
The bottom of the semicircular dust shielding sleeve is welded and hoisted with a half-circle triangular driving block in an annular array; the center position welding of sampler casing diapire hangs and is equipped with the blowing pipe, and the inside center department of blowing pipe is through the top of spring slidable mounting has the impact block, and the symmetrical welding has two horizontally arranged atress poles on the impact block, follows the ring gear and rotates, and the triangle drive piece supports with the atress pole inclined plane in proper order and leans on the contact for the impact block is impacted from top to bottom and is implemented vibration clearance to the particulate matter of interception on the filter cartridge.
Further, the two semicircular dust shielding sleeves are supported vertically downwards and are respectively arranged on two sides of the filter cylinder, and in a normal state, the two semicircular dust shielding sleeves are mutually close to each other and are in sliding butt joint with the clamping sleeve on the filter cylinder, so that dust shielding protection is implemented on the filter cylinder.
Further, the filter cylinder is inserted into the sampler shell in an upright mode, a circle of filter grooves which are arranged in an upright mode are formed in the circumferential side wall of the filter cylinder in a penetrating mode in a surrounding mode, and a filter screen or filter cloth is covered in the filter grooves;
and a six-edge short shaft is welded and hung at the central position of the discharge pipe, the impact block is in sliding fit with the six-edge short shaft, and a spring for pushing the impact block is sleeved on the six-edge short shaft.
Further, the gear ring and the filter cylinder are concentric and horizontally arranged, a rotating ring is welded at the inner center of the gear ring, two six-edge positioning shafts are symmetrically welded between the rotating ring and the gear ring, and the top end parts of the two semicircular dust shielding sleeves are in sliding fit with the two six-edge positioning shafts.
Further, a synchronous driving ring which can slide up and down through the pushing of a spring is rotatably arranged on the shell wall of the suction fan, and two connecting rods are symmetrically and rotatably connected between the synchronous driving ring and the top end parts of the two semicircular dust shielding sleeves;
Two pushing bolts are symmetrically and rotatably installed on the top cover at positions close to the synchronous driving ring in a penetrating mode, guide balls are installed at the bottom ends of the pushing bolts in an embedded mode, and the guide balls are in abutting contact with the synchronous driving ring.
Further, a flange is welded on the bottom opening of the suction fan, an annular chute is formed in the circumferential outer wall of the flange, and a swivel is in running fit with the annular chute;
An air outlet cover with a plugging structure at the top end is fixed on an opening at the top end of the suction fan in a threaded manner, a circle of air outlet grooves are formed in the circumferential side wall of the air outlet cover in a surrounding manner, a barrel cover with the upper end and the lower end in an opening structure is sleeved on the air outlet cover in a rotating manner, and a circle of air permeable grooves with the shapes corresponding to the air outlet grooves are formed in the circumferential side wall of the barrel cover in a surrounding manner;
The sampler is characterized in that a circle of air inlet grooves with the same number as the air outlet grooves are formed in the sampler shell in a penetrating mode, a circle of arc-shaped cover plate is installed on the sampler shell in a rotating and laminating mode, a synchronizing ring matched with the sampler shell in a rotating mode is welded at the top end of the circle of arc-shaped cover plate, a jacking bolt is installed on the synchronizing ring in a penetrating mode in a rotating mode, and the part, protruding out of the inner side of the synchronizing ring, of the jacking bolt is in abutting contact with the outer wall of the sampler shell.
Further, the brush plates are vertically supported downwards and are respectively arranged at two sides of the filter cylinder, and brushes are fixed on one side, facing the filter cylinder, of the brush plates through magic tapes and are in sweeping contact with the filter cylinder;
The middle position of the semicircular dust shielding sleeve is provided with a long-strip penetrating groove along the height direction, and the brush plate is in sliding fit with the long-strip penetrating groove.
Further, the top end position of the circumferential side wall of the barrel cover is penetrated and rotatably provided with a locking bolt, and the part of the locking bolt protruding out of the inner side of the barrel cover is in abutting contact with the circumferential side wall of the air outlet cover.
Furthermore, two L-shaped connecting plates are symmetrically welded between the cylinder cover and the synchronous ring.
The high-load atmospheric particulate sampler provided by the invention has the following beneficial effects:
when the dust-proof device is used, the inclined plane guiding principle of the triangular driving block is used together with the springs on the six-edge short shaft, the two semicircular dust-proof sleeves can sequentially push and drive the stress rod and the impact block to slide up and down to impact when rotating along with the gear ring, vibration shedding cleaning is carried out on the particles intercepted on the filter cylinder, and the dust-proof device is used together with the brush plate for brushing cleaning, so that double composite shedding cleaning can be carried out on the particles intercepted on the filter cylinder, the residue of the particles on the filter cylinder is effectively reduced, compared with the prior art of single shedding cleaning means, the cleaning and collecting of the intercepted particles are more comprehensive and thorough, and the cleaning and collecting use effects are better.
In addition, the gear ring can directly rotate to drive the two brush plates to conduct rotary sweeping motion, and the gear ring can indirectly drive the impact block to slide up and down for impact motion through the power transmission of the two semicircular dust shielding sleeves, so that the gear ring can be used as a driving mechanism of a rotary brushing cleaning mechanism and a driving mechanism of an impact vibration cleaning mechanism, the driving mechanisms of the two cleaning mechanisms can be optimally integrated and combined together to be used together, the driving mechanisms of the two cleaning mechanisms are omitted, and the driving mechanisms are independently configured for the two cleaning mechanisms respectively, so that the integral structure of the particle sampler is facilitated to be simplified, the particle sampler can be simplified in structure while the particles are thoroughly and comprehensively collected, and the weight and manufacturing difficulty of the particle sampler are reduced.
In addition, the two semicircular dust covers can be used for not only protecting the filter cylinder from dust, but also being used as a power transmission part between the gear ring and the impact block, has the dual-purpose use effect of one device, can omit the power transmission part additionally configured for the impact block, is beneficial to further simplifying the integral structure of the sampler, and is beneficial to further reducing the weight of the sampler and the manufacturing and processing difficulty.
In addition, the barrel cover, the round arc cover plate and the two semicircular dust shielding sleeves are matched together to realize double dust shielding protection on the filter cylinder, so that the dust accumulation of the filter cylinder in an idle state can be effectively reduced, the blocking probability of the filter cylinder in idle state is reduced, the number of times of cleaning and dredging the filter cylinder before use is reduced, and the dustproof use effect is better.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
The drawings described below are only for illustration of some embodiments of the invention and are not intended to limit the invention.
In the drawings:
FIG. 1 is a schematic view showing the overall structure of a first embodiment of the present invention;
FIG. 2 is a schematic view of the overall bottom side structure of a first embodiment of the present invention;
FIG. 3 is a schematic diagram showing a semi-sectional inner side structure of a sampler housing according to a first embodiment of the present invention;
FIG. 4 is a schematic view showing a detachable state of an arc-shaped cover plate according to a first embodiment of the present invention;
FIG. 5 shows a schematic diagram of a half-section bottom side of a sampler housing according to a first embodiment of the present invention;
FIG. 6 shows a schematic diagram of the attachment of a suction fan to a filter cartridge in accordance with a first embodiment of the present invention;
FIG. 7 is a schematic view of the bottom side of a filter cartridge according to a first embodiment of the invention;
FIG. 8 is a schematic view showing a cartridge removed state according to the first embodiment of the present invention;
Fig. 9 is a schematic view showing the structure of a ring gear according to the first embodiment of the invention;
FIG. 10 is a schematic diagram showing the overall structure of a second embodiment of the present invention;
List of reference numerals
1. A sampler housing; 101. a top cover; 1011. positioning a hanging shaft; 102. pushing the bolt; 103. controlling an electric box; 104. a particle collection box; 105. a retainer ring; 106. a synchronous drive ring; 1061. a connecting rod; 1062. rotating the ring;
2. an arc cover plate; 201. a synchronizing ring; 202. an L-shaped connecting plate;
3. a suction fan; 301. an air outlet cover; 302. a barrel cover; 303. a flange;
4. a filter cartridge; 401. an impact block; 4011. a force-bearing rod; 402. six-edge short shaft; 403. discharging pipes;
5. a gear ring; 501. semicircular dust cover; 5011. a triangle driving block; 502. brushing a plate; 5021. a brush; 503. a swivel;
6. And a motor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without creative efforts, based on the described embodiments of the present invention fall within the protection scope of the present invention.
Please refer to fig. 1 to 9;
Embodiment one:
The invention provides a high-load atmospheric particulate sampler, which comprises a sampler shell 1, a top cover 101, a positioning hanging shaft 1011, a pushing bolt 102, a control electric box 103, a particulate collection box 104, a retainer ring 105, a synchronous driving ring 106, a connecting rod 1061, a rotating ring 1062, an arc cover plate 2, a synchronous ring 201, an L-shaped connecting plate 202, a suction fan 3, an air outlet cover 301, a cylinder cover 302, a flange 303, a filter cylinder 4, an impact block 401, a stress rod 4011, a six-edge short shaft 402, a gear ring 5, a semicircular dust shielding sleeve 501, a triangular driving block 5011, a brush plate 502, a brush 5021 and a rotating ring 503; a top cover 101 is fixedly blocked on the top end opening of the sampler shell 1 through threads, and a suction fan 3 with threads is arranged at the center of the top cover 101 in a penetrating manner;
Wherein, the filter cylinder 4 which is in a circular structure and is vertically arranged is hung on the bottom of the suction fan 3 in a threaded manner; the outer side of the bottom of the suction fan 3 is rotatably provided with a gear ring 5 which is concentric with the filter cylinder 4 and is horizontally arranged, and two semicircular dust shielding sleeves 501 which are vertically supported at the lower part are symmetrically and slidingly arranged in the gear ring 5; two brush plates 502 which are vertically supported downwards are symmetrically welded at the bottom of the gear ring 5, the brush plates 502 are arranged on two sides of the filter cylinder 4 in a separated mode, a brush 5021 is fixed on one side, facing the filter cylinder 4, of the brush plates 502 through a magic tape, the brush 5021 is in sweeping contact with the filter cylinder 4, the brush 5021 rotates along with the gear ring 5, the brush plates 502 can sweep, scrape and fall off the accumulated particles intercepted on the filter cylinder 4, and further the two brush plates 502 virtually form a mechanism for conducting rotary brushing cleaning on the particles on the filter cylinder 4;
The bottom of the semicircular dust shielding sleeve 501 is welded and hung with a half-circle triangular driving block 5011 in an annular array; the central position of the bottom wall of the sampler shell 1 is welded and hung with a discharge pipe 403, the impact block 401 is slidably arranged at the inner center of the discharge pipe 403 through the pushing of a spring, two horizontally arranged stress rods 4011 are symmetrically welded on the impact block 401, a triangle driving block 5011 is rotated along with a gear ring 5 to be in contact with the inclined surface of the stress rod 4011 in a propping way, the two semicircular dust shielding sleeves 501 can sequentially push and drive the stress rod 4011 and the impact block 401 to slide up and down to impact when rotating along with the gear ring 5 through the inclined surface guiding principle of the triangle driving block 5011, and vibration shedding cleaning (refer to fig. 5) is implemented on particles intercepted on the filter cylinder 4, so that the particles intercepted on the filter cylinder 4 can be cleaned together by brushing and brushing, the residues of the particles on the filter cylinder 4 can be effectively reduced, compared with the prior art of single shedding cleaning means, the cleaning and collecting of the intercepted particles are more comprehensive, and the collecting effects are better; the force bar 4011, the impact block 401 and the springs on the six-edged stub shaft 402 essentially constitute a mechanism for performing impact vibration cleaning of the particulate matter on the filter cartridge 4;
The gear ring 5 can directly rotationally drive the two brush plates 502 to perform rotary sweeping motion, and the gear ring 5 can indirectly drive the impact block 401 to slide up and down for impact motion through the power transmission of the two semicircular dust shielding sleeves 501, so that the gear ring 5 can be used as a driving mechanism of a rotary brushing cleaning mechanism and a driving mechanism of an impact vibration cleaning mechanism, the driving mechanisms of the two cleaning mechanisms can be optimally integrated and combined together to be used together, the driving mechanisms of the two cleaning mechanisms are omitted, the driving mechanisms are independently configured for the two cleaning mechanisms, the integral structure of the particle sampler is facilitated to be simplified, the particle sampler can be simplified in structure while the particles are thoroughly and comprehensively collected, and the integral weight reduction and the manufacturing and processing difficulty reduction of the particle sampler are facilitated.
Preferably, the semicircular dust shielding sleeves 501 are arranged on two sides of the filter cylinder 4 in a separated mode, and in an idle state, the two semicircular dust shielding sleeves 501 are close to each other and are in sliding butt joint with the filter cylinder 4 to be used for shielding dust protection on the filter cylinder 4, the two semicircular dust shielding sleeves 501 can be used for shielding dust protection on the filter cylinder 4 and can also be used as a power transmission part between the gear ring 5 and the impact block 401, the dual-purpose use effect is achieved, the power transmission part additionally arranged for the impact block 401 can be omitted, the integral structure of the sampler is further simplified, and the sampler is further reduced in weight and manufacturing difficulty.
Preferably, the filter cartridge 4 is inserted in the sampler shell 1 in a stretching way, a circle of vertically arranged filter grooves are formed in the circumferential side wall of the filter cartridge 4 in a penetrating way, and a filter screen or filter cloth is covered in the filter grooves;
A hexagonal short shaft 402 is welded and suspended at the center of the discharge pipe 403, the impact block 401 is in sliding fit with the hexagonal short shaft 402, and a spring for pushing the impact block 401 is sleeved on the hexagonal short shaft 402.
Preferably, a rotating ring 503 is welded at the inner center of the gear ring 5, two six-edge positioning shafts are symmetrically welded between the rotating ring 503 and the gear ring 5, and the top end parts of the two semicircular dust shielding sleeves 501 are in sliding fit with the two six-edge positioning shafts;
the top ends of the two semicircular dust shielding sleeves 501 are welded with L-shaped slide bars, and the top ends of the L-shaped slide bars are correspondingly in sliding fit with the two hexagonal positioning shaft sleeves;
The inside thread of sampler casing 1 circumference lateral wall is fixed with erects and upwards arranges motor 6, and the top cover of motor 6 pivot is equipped with the driving gear, and the driving gear meshes the transmission with ring gear 5, and motor 6 is used for driving ring gear 5 rotation.
Preferably, a synchronous driving ring 106 capable of sliding up and down through the pushing of a spring is rotatably installed on the shell wall of the suction fan 3, two connecting rods 1061 are symmetrically and rotatably connected between the synchronous driving ring 106 and the top end parts of the two semicircular dust shielding sleeves 501, the two connecting rods 1061, the two semicircular dust shielding sleeves 501 and the synchronous driving ring 106 are jointly connected to form two slider-crank mechanisms, and the two mechanisms can drive the two semicircular dust shielding sleeves 501 to slide up and down to open and close in opposite directions through the two mechanisms;
The head end of the connecting rod 1061 is rotationally connected with the circumferential outer ring of the synchronous driving ring 106, and the tail end is rotationally connected with the top end of the L-shaped sliding rod;
a rotating ring 1062 is welded at the inner center of the synchronous driving ring 106, and the rotating ring 1062 is in running fit with the shell wall of the suction fan 3;
Two pushing bolts 102 are symmetrically and rotatably installed on the top cover 101 near the synchronous driving ring 106 in a penetrating way, guide balls are embedded at the bottom ends of the pushing bolts 102 and are in abutting contact with the synchronous driving ring 106, when the pushing bolts 102 are pushed downwards in a rotating way, the synchronous driving ring 106 can be pushed to be driven to slide downwards, two semicircular dust shielding sleeves 501 are controlled to approach each other to slide and butt the clamping sleeve to cover the filter cylinder 4, and when the pushing bolts 102 are pushed upwards in a rotating way (refer to fig. 6), the synchronous driving ring 106 loses the downward pushing retaining force and can be pushed upwards in a bouncing way by a spring on the suction fan 3, the two semicircular dust shielding sleeves 501 are controlled to be far away from each other in a sliding way, and the filter cylinder 4 is opened for sampling.
Preferably, a flange 303 is welded on the bottom opening of the suction fan 3, an annular chute is formed on the circumferential outer wall of the flange 303, and a rotating ring 503 is in rotating fit with the annular chute;
An air outlet cover 301 with a plugging structure at the top end is fixed on the top end opening of the suction fan 3 in a threaded manner, a circle of air outlet grooves are formed on the circumferential side wall of the air outlet cover 301 in a surrounding manner, a barrel cover 302 with an opening structure at the upper end and the lower end is sleeved on the air outlet cover 301 in a rotating manner, and as shown in fig. 10, a circle of air permeable grooves with shapes corresponding to the air outlet grooves are formed on the circumferential side wall of the barrel cover 302 in a surrounding manner in a penetrating manner;
The sampler housing 1 is provided with a circle of air inlet grooves with the same quantity as the air outlet grooves in a surrounding and penetrating way, the sampler housing 1 is provided with a circle of arc cover plates 2 in a rotating and fitting way, the top ends of the circle of arc cover plates 2 are welded with a synchronous ring 201 which is in rotating and fitting with the sampler housing 1, the synchronous ring 201 is provided with a jacking bolt in a penetrating and rotating way, the part of the jacking bolt protruding out of the inner side of the synchronous ring 201 is in abutting contact with the outer wall of the sampler housing 1, in an idle state, the circle of arc cover plates 2 are used for rotating and covering the circle of air inlet grooves for sealing the sampler housing 1 to implement indirect dust shielding protection on the filter cylinder 4, and the jacking bolt on the synchronous ring 201 is used for jacking and keeping the circle of arc cover plates 2 in a use state of being closed and separated and opened in a rotating and overlapping way with the circle of air inlet grooves.
The middle position of the semicircular dust shielding sleeve 501 is provided with a long strip through groove along the height direction, and the brush plate 502 is in sliding fit with the long strip through groove.
Preferably, the top end position of the circumferential side wall of the barrel cover 302 is penetrated and rotatably provided with a locking bolt, the part of the locking bolt protruding out of the inner side of the barrel cover 302 is abutted against the circumferential side wall of the air outlet cover 301, in an idle state, the barrel cover 302 is rotated to cover and seal a circle of air outlet groove for sealing the sampler shell 1 to implement indirect dust shielding protection on the filter cylinder 4, the locking bolt is used for jacking and positioning the barrel cover 302 in a rotating closing and opening state, the barrel cover 302, the circle of arc cover plate 2 and the two semicircular dust shielding sleeves 501 are matched together to implement double dust shielding protection on the filter cylinder 4, the dust collection amount of the filter cylinder 4 in the idle state can be effectively reduced, the blocking probability of the filter cylinder 4 in idle state is reduced, the times of additionally cleaning and dredging the filter cylinder 4 before use can be reduced, and the dust prevention using effect is better.
Preferably, the top end of the top cover 101 is fixedly provided with a control electric box 103, a speed regulation controller is arranged in the control electric box 103 and used for controlling the start and stop of the suction fan 3 and regulating the speed of the suction fan 3, the rotating speed of the suction fan 3 can be regulated and lifted through the speed regulation controller, the suction load of the suction fan 3 on the atmosphere is increased, and the suction fan is suitable for taking high-load and high-flux atmospheric particles;
the discharge pipe 403 is fixedly provided with a particle collection box 104 in a threaded manner;
The bottom side of the circumference outer wall of the sampler shell 1 is welded and sleeved with a check ring 105, and the bottom end of the circle of arc-shaped cover plate 2 is in sliding abutting contact with the check ring 105.
On the basis of the first embodiment, the second embodiment is as shown in fig. 10:
The utility model provides a high load atmospheric particulates sample thief, still include between barrel casing 302 and the synchronizer ring 201 symmetrical welding have two department L form connecting plates 202, two department L form connecting plates 202 can link together barrel casing 302 and round arc apron 2, make barrel casing 302 and round arc apron 2 can synchronous rotation open and close, save the trouble that need step by step open and close two blanking cover parts in proper order, compared in embodiment one, it is more convenient to operate and use, and barrel casing 302 and round arc apron 2 accessible one jack bolt on the synchronizer ring 201 implement the roof pressure location, compared in embodiment one, can save the trouble that need step by step to two blanking cover parts elasticity location in proper order.
Working principle: when the filter is used, the cylindrical cover 302 and the round of arc cover plate 2 are firstly turned on, the round of air outlet grooves and the round of air inlet grooves are opened, then the two semicircular dust shielding sleeves 501 are opened in a sliding manner to expose the filter cylinder 4, then the suction fan 3 is turned on, under the rotary suction of the suction fan 3, negative pressure is formed in the sampler shell 1, under the action of negative pressure suction load, external atmosphere sequentially passes through the round of air inlet grooves and the filter screen on the filter cylinder 4 to be sucked and conveyed into the suction fan 3, and is discharged outside through the round of air outlet grooves, and when the air passes through the filter screen, particles in the air are trapped and accumulated on the outer surface of the filter screen;
When the particles are cleaned, firstly, the motor 6 is started, the motor 6 drives the gear ring 5 to rotate, the brush 5021 rotates along with the gear ring 5, the brush plate 502 can sweep and clean the particles intercepted and accumulated on the filter cylinder 4, the inclined plane guiding principle of the triangular driving block 5011 is matched with the springs on the six-edge short shaft 402 to be used together, the two semicircular dust shielding sleeves 501 can sequentially push and drive the stress rod 4011 and the impact block 401 to slide up and down to impact when rotating along with the gear ring 5, and the vibration and shedding cleaning (refer to fig. 5) is carried out on the particles intercepted on the filter cylinder 4, so that the particles intercepted on the filter cylinder 4 can be cleaned in a double composite manner by matching with the brush plate 502;
Finally, the cleaned particulate matter falls into the particulate collection box 104 by gravity to complete the whole sampling process.
In this context, the following points need to be noted:
1. The drawings of the embodiments of the present invention relate only to the structures related to the embodiments of the present invention, and reference may be made to the general design for other structures.
2. The embodiments of the invention and the features of the embodiments can be combined with each other to give new embodiments without conflict.
The foregoing is merely illustrative embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think about variations or substitutions within the technical scope of the present invention, and the invention should be covered. Therefore, the protection scope of the invention is subject to the protection scope of the claims.
Claims (9)
1. A high load atmospheric particulate sampler comprising: a sampler housing (1) and a suction fan (3); a top cover (101) is fixedly blocked on the top opening of the sampler shell (1), and a suction fan (3) is arranged at the center of the top cover (101) in a penetrating manner;
The filter cartridge (4) with a circular structure is hung at the bottom of the suction fan (3) in a threaded manner; a gear ring (5) is rotatably arranged at the outer side of the bottom of the suction fan (3), and two semicircular dust shielding sleeves (501) are symmetrically and slidably arranged in the gear ring (5); two brush plates (502) are symmetrically welded at the bottom of the gear ring (5), and the brush plates (502) are rotated along with the gear ring (5) to clean particles intercepted on the filter cylinder (4);
The bottom of the semicircular dust shielding sleeve (501) is welded and hung with a half-circle triangular driving block (5011) in an annular array; the center position welding of sampler casing (1) diapire hangs and is equipped with blowing pipe (403), and the inside center department of blowing pipe (403) is through the top of spring sliding mounting has impact block (401), and symmetrical welding has atress pole (4011) that two places level were arranged on impact block (401), follows ring gear (5) rotation, and triangle drive piece (5011) is in proper order with atress pole (4011) inclined plane butt contact for impact block (401) are gone up and down to impact and are implemented vibration clearance to the particulate matter of interception on filter cylinder (4).
2. The high-load atmospheric particulate sampler of claim 1, wherein the two semicircular dust shielding sleeves (501) are vertically supported downward and are respectively arranged at two sides of the filter cylinder (4), and the two semicircular dust shielding sleeves (501) are mutually close to each other and are in sliding butt joint with the filter cylinder (4) in a clamping manner in a normal state, so as to implement dust shielding protection on the filter cylinder (4).
3. The high-load atmospheric particulate sampler according to claim 2, wherein the filter cartridge (4) is inserted in the sampler housing (1) in an upright manner, a circle of filter tanks which are arranged in an upright manner are arranged on the circumferential side wall of the filter cartridge (4) in a surrounding and penetrating manner, and a filter screen or filter cloth is covered in the filter tanks;
And a hexagonal short shaft (402) is welded and hung at the central position of the discharging pipe (403), the impact block (401) is in sliding fit with the hexagonal short shaft (402), and a spring for pushing the impact block (401) is sleeved on the hexagonal short shaft (402).
4. The high-load atmospheric particulate sampler according to claim 1, wherein the gear ring (5) is concentric with the filter cartridge (4) and horizontally arranged, a rotating ring (503) is welded at the inner center of the gear ring (5), two six-edge positioning shafts are symmetrically welded between the rotating ring (503) and the gear ring (5), and the top end parts of the two semicircular dust shielding sleeves (501) are in sliding fit with the two six-edge positioning shafts.
5. The high-load atmospheric particulate sampler according to claim 4, wherein a synchronous driving ring (106) capable of sliding up and down by pushing of a spring is rotatably installed on a shell wall of the suction fan (3), and two connecting rods (1061) are symmetrically and rotatably connected between the synchronous driving ring (106) and top end parts of two semicircular dust shielding sleeves (501);
Two pushing bolts (102) are symmetrically and rotatably installed on the top cover (101) at positions close to the synchronous driving ring (106), guide balls are installed at the bottom ends of the pushing bolts (102) in an embedded mode, and the guide balls are in abutting contact with the synchronous driving ring (106).
6. The high-load atmospheric particulate sampler according to claim 4, wherein a flange (303) is welded on the bottom opening of the suction fan (3), an annular chute is formed on the circumferential outer wall of the flange (303), and a swivel (503) is in running fit with the annular chute;
An air outlet cover (301) with a plugging structure at the top end is fixed on the top end opening of the suction fan (3) in a threaded manner, a circle of air outlet grooves are formed in the circumferential side wall of the air outlet cover (301) in a surrounding manner, a barrel cover (302) with the upper end and the lower end in an opening structure is sleeved on the air outlet cover (301) in a rotating manner, and a circle of air permeable grooves with the shapes matched with the air outlet grooves are formed in the circumferential side wall of the barrel cover (302) in a surrounding manner in a penetrating manner;
The sampler is characterized in that a circle of air inlet grooves with the same quantity as the air outlet grooves are formed in the sampler shell (1) in a surrounding and penetrating mode, a circle of arc-shaped cover plate (2) is installed on the sampler shell (1) in a rotating and laminating mode, a synchronizing ring (201) in rotating fit with the sampler shell (1) is welded at the top end of the circle of arc-shaped cover plate (2), a jacking bolt is installed on the synchronizing ring (201) in a penetrating and rotating mode, and the jacking bolt protrudes out of the inner side of the synchronizing ring (201) and is in abutting contact with the outer wall of the sampler shell (1).
7. The high-load atmospheric particulate sampler according to claim 1, wherein the brush plates (502) are vertically supported downward and are respectively arranged at two sides of the filter cylinder (4), and brushes (5021) are fixed on one side, facing the filter cylinder (4), of the brush plates (502) through velcro, and the brushes (5021) are in sweeping contact with the filter cylinder (4);
The middle position of the semicircular dust shielding sleeve (501) is provided with a long strip penetrating groove along the height direction, and the brush plate (502) is in sliding fit with the long strip penetrating groove.
8. The high-load atmospheric particulate sampler of claim 6, wherein a locking bolt is rotatably installed at the top end position of the circumferential side wall of the barrel cover (302), and the part of the locking bolt protruding from the inner side of the barrel cover (302) is in abutting contact with the circumferential side wall of the air outlet cover (301).
9. The high-load atmospheric particulate sampler of claim 6 wherein two L-shaped connection plates (202) are symmetrically welded between said canister cover (302) and said synchronizing ring (201).
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| CN108278124A (en) * | 2018-01-25 | 2018-07-13 | 张荷友 | A kind of rotary mine dedusting equipment of brush board cleaning dust |
| CN114534386A (en) * | 2022-01-18 | 2022-05-27 | 安徽智宇环保滤材有限公司 | Novel industrial dust removal filter bag with fixed knot constructs |
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| US5223005A (en) * | 1992-08-14 | 1993-06-29 | Aercology, Inc. | Dust and fume collector |
| CN115253526B (en) * | 2022-06-28 | 2023-06-20 | 南京大学环境规划设计研究院集团股份公司 | Device for removing particulate matters |
| CN115178048B (en) * | 2022-08-01 | 2023-08-01 | 浙江嘉源环保科技有限公司 | Dust removal device for separating light materials from construction waste and application method thereof |
| CN218653492U (en) * | 2022-11-15 | 2023-03-21 | 迪马新材料科技（苏州）有限公司 | Waste gas collecting equipment |
| CN116474484A (en) * | 2023-04-10 | 2023-07-25 | 刘艳尼 | Particle separation dust collecting equipment with self-cleaning function |
| CN117205676A (en) * | 2023-10-12 | 2023-12-12 | 广东鑫风风机有限公司 | Centrifugal fan capable of avoiding corrosion and unbalance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278124A (en) * | 2018-01-25 | 2018-07-13 | 张荷友 | A kind of rotary mine dedusting equipment of brush board cleaning dust |
| CN114534386A (en) * | 2022-01-18 | 2022-05-27 | 安徽智宇环保滤材有限公司 | Novel industrial dust removal filter bag with fixed knot constructs |
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