CN205879598U - Road laying dust sample thief - Google Patents
Road laying dust sample thief Download PDFInfo
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- CN205879598U CN205879598U CN201620835355.7U CN201620835355U CN205879598U CN 205879598 U CN205879598 U CN 205879598U CN 201620835355 U CN201620835355 U CN 201620835355U CN 205879598 U CN205879598 U CN 205879598U
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- laying dust
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Abstract
The utility model discloses a road laying dust sample thief, including the control unit, high pressure cleaner, vacuum pump and sampling unit, the control unit control high pressure cleaner with the opening and closing of vacuum pump, sampling unit has the sampling cylinder and the sampling bottle of mutual intercommunication, the sampling cylinder is a circular section of thick bamboo, high pressure cleaner with the sampling cylinder intercommunication, the vacuum pump with the sampling bottle intercommunication. The utility model discloses an adopting the road laying dust wet -type collector including high pressure cleaner, vacuum pump and sampling unit, utilizing the road surface that the high -pressure water washing sample thief is sealed, the road laying dust is by high -pressure water washing laggard income aquatic formation suspension, to obtain road laying dust suspension sample after the sampling including road laying dust suspension suction sampling bottle through the vacuum pump, have higher road laying dust collection rate, and improve the laying dust and detected the precision, compensate the not enough of dry -type dust absorption method.
Description
Technical field
This utility model relate to a kind of can the device of road dust in acquisition units area, especially a kind of road cumulated dust is wet
Formula sampler.
Background technology
Dust on the roads is road cumulated dust work of (wind-force, motor vehicles roll, crowd activity etc.) under certain dynamic condition
With the airborne dust formed in lower entrance surrounding air, it is one of the source of airborne fine particulate matter, controls dust on the roads and pollute improvement
Ambient air quality is significant.In order to strengthen city fine-grained management and supervision law enforcement, centralized renovation point is many, amount is big, face
Wide construction fugitive dust and road are dropped etc. and to be polluted, and need to detect road dust remaining quantity, control to provide foundation for dust on the roads.
What at present road dust remaining quantity detection was conventional is dry type dust suction method, dry type dust collection method because technology maturation, simple to operate and
It is widely adopted, but there is also certain limitation.First, it is impossible to detection wet road surface, as cleaning sweeper or sprinkling truck are made
Wet road surface after industry, and the outer moist road of building site outlet implementing watering and wheel flushing；Secondly, it is impossible to detect future more
Adding cleaning roads, if road is cleaner, dust amount is few, dust collecting amount will lack, and tears the process meeting such as dust collecting sleeve and screening
Introduce bigger detection error；3rd, the road surface after dry type dust suction still presents yellow-gray, it is impossible to detect relatively new paving
Absolute laying dust load, be unsatisfactory for road cleaning degree evaluate requirement.
Utility model content
This utility model embodiment provides a kind of road cumulated dust sampler, the road reclaimed in particular by high pressure water washing
Road laying dust wet type sampler, the laying dust meeting multiple road gathers needs, is effectively improved the collection rate of road cumulated dust, improves laying dust
Accuracy of detection.
In order to solve the problems referred to above, this utility model provides a kind of road cumulated dust sampler, clear including control unit, high pressure
Washing machine, vacuum pump and sampling unit, described control unit controls described jetting machine and the open and close of described vacuum pump,
Described sampling unit has the sampling cylinder and sampling bottle being interconnected, and described sampling cylinder is circular cylinder, described jetting machine with
Described sampling cylinder connects, and described vacuum pump connects with described sampling bottle；Described sampling unit also includes for fixing described sampling
The top board of cylinder and lower platen, described top board is provided with water inlet, export mouth and air intake, described water inlet and described height
Pressure cleaning machine connection, described export mouth connects with described sampling bottle；Described lower platen bottom surface is bonded with and prevents high-pressure washing water from overflowing
The inside and outside two-stage sealing gasket gone out, the thickness of inner seal pad is more than the thickness of outer side seal pad, the internal diameter of described inner seal pad
Identical with the internal diameter of described sampling cylinder.
The road cumulated dust sampler that this utility model embodiment provides also has a techniques below feature:
Further, surge flask and effusion meter also it are connected with between described sampling bottle and described vacuum pump in turn.
Further, described water inlet is also equipped with the solid cone nozzle of axial flow.
Further, the pressure limit of the solid cone nozzle of described axial flow is 0.05-1.0MPa, and range of flow is 1.8-
6.0L/min, jet angle is 90 °, the solid circular cone water column external diameter that the solid cone nozzle of described axial flow is formed and described lower platen
Internal diameter is equal.
Further, inside described air intake, relief valve is installed.
Further, delivery line vertically downward is installed inside described export mouth, described delivery line end with described under
Pressing plate bottom surface is maintained at same level height.
Further, described delivery line is steel pipe, is fitted with plastic tube in described steel pipe, and described plastic tube end is whittled into wedge
Shape.
Further, described sampling unit also includes leveling board, and described leveling board is for the regulation of sampling cylinder described in leveling
Leg.
This utility model has the advantages that and includes jetting machine, vacuum pump and sampling unit by employing
Road cumulated dust wet type harvester, utilizes the road surface that high pressure water washing sampler seals, and road cumulated dust is by after high pressure water washing
Enter and water is formed suspension；To contain road cumulated dust suspension suction sampling bottle by vacuum pump, sampling obtains road after terminating
Laying dust suspension sample, has higher road cumulated dust collection rate, improves laying dust accuracy of detection, compensate for dry type dust collection method
Deficiency, the wet road surface after washing sweeping machine or sprinkling truck operation can be detected and implement the outer tide of building site outlet that wheel rinses
Wet road, can detect the cleaning roads that laying dust amount is less, it is also possible to detect the relatively new absolute laying dust load paved.
Accompanying drawing explanation
Fig. 1 is the structural representation of the road cumulated dust sampler of this utility model embodiment；
Fig. 2 is the structural representation of the top board of the road cumulated dust sampler of this utility model embodiment；
Fig. 3 is the sectional view of top board in Fig. 2.
Detailed description of the invention
Below with reference to accompanying drawing and describe this utility model in detail in conjunction with the embodiments.It should be noted that do not rushing
In the case of Tu, the embodiment in this utility model and the feature in embodiment can be mutually combined.
In one embodiment of road cumulated dust sampler of the present utility model as shown in Figure 1 to Figure 3, this road cumulated dust is adopted
Sample device includes control unit, jetting machine, vacuum pump and sampling unit 100, and control unit controls jetting machine and vacuum
The open and close of pump, sampling unit 100 has the sampling cylinder 10 and sampling bottle 20, jetting machine and sampling cylinder being interconnected
10 connections, vacuum pump connects with sampling bottle 20, and sampling cylinder 10 is circular cylinder；Sampling unit 100 also includes adopting described in fixing
The top board 30 of sample cylinder 10 and lower platen 40, sampling cylinder 10 is circular cylinder, and top board 30 and lower platen 40 are circular, top board 30
Being provided with water inlet 31, export mouth 32 and air intake 33, lower platen 40 has the through hole identical with sampling cylinder internal diameter, top board
30 and lower platen 40 by fixing bolt 42, sampling cylinder 10 is fixed, be consequently formed the agent structure of sampling unit 100；Top board
Water inlet 31 on 30 connects with jetting machine, and export mouth 32 connects with sampling bottle 20；Lower platen 40 bottom surface is bonded with and prevents
The inside and outside two-stage sealing gasket that high-pressure washing water overflows, the thickness of inner seal pad 54 is more than the thickness 56 of outer side seal pad；Inner side
The internal diameter of sealing gasket 54 is identical with the through-hole diameter of sampling cylinder 10 and lower platen 40.In this embodiment, the internal diameter of sampling cylinder 10
For 110mm.Jetting machine and vacuum pump are for selecting as required, and such as, jetting machine model is QL-270F (Suzhou
Black cat), operating pressure adjustable extent is (1.0-6.0) MPa, and maximum stream flow is 10L/min；Vacuum pump model is 2688CHI44
(USA Thomas), maximum vacuum is-93.5kPa, and maximum stream flow is 76.5L/min.Control unit uses AC relay
Follow procedure controls cleaning machine and the open and close of vacuum pump, and temporal resolution is 0.1s, cleaning machine, vacuum pump and control unit
220VAC is all used to power.The running parameter of sampler adds synchronization negative pressure sampling 15s for rinsing 3 times (2s/ time), when rinsing interval
Between >=15s, after every time sampling terminates, sampler is placed on clean flat board and carries out 1 according to running parameter and take turns automatically cleaning operation.
Road cumulated dust sampler in this embodiment, includes jetting machine, vacuum pump and sampling unit by employing
Road cumulated dust wet type harvester, utilizes the road surface that high pressure water washing sampler seals, and road cumulated dust is by after high pressure water washing
Enter and water is formed suspension；To contain road cumulated dust suspension suction sampling bottle by vacuum pump, sampling obtains road after terminating
Laying dust suspension sample, has higher road cumulated dust collection rate, improves laying dust accuracy of detection, compensate for dry type dust collection method
Deficiency, the wet road surface after washing sweeping machine or sprinkling truck operation can be detected and implement the outer tide of building site outlet that wheel rinses
Wet road, can detect the cleaning roads that laying dust amount is less, it is also possible to detect the relatively new absolute laying dust load paved.
In the above-described embodiments, between sampling bottle 20 and vacuum pump, be also connected with surge flask and effusion meter in turn, concrete and
Speech, sampling bottle is connected with surge flask, and surge flask is connected with effusion meter, and effusion meter is connected with vacuum pump.Will sampling by vacuum pump
Road cumulated dust suspension sample suction sampling bottle in cylinder, negative pressure sampling can avoid sampling round cylinder pressure excessive cause close
Packing is poorly sealed, often gathers 1 sample and changes 1 sampling bottle；Surge flask is used for preventing suspension in sampling bottle from overflowing to be damaged
Vacuum pump, effusion meter can regulate vacuum pump flow rate.
In the above-described embodiments, water inlet 31 is also equipped with the solid cone nozzle of axial flow 312, the solid cone nozzle of axial flow
The model of 312 is 490.606.1Y.CE (Germany Lechler), and pressure limit is 0.05-1.0MPa, and range of flow is
1.8-6.0L/min, jet angle is 90 °, and the solid circular cone water column external diameter that described axial flow solid cone nozzle 312 is formed is with described
The internal diameter of lower platen 40 is equal, and the High-Pressure Water formed by using the solid cone nozzle of axial flow to make is sufficiently mixed with dust,
Improve the acquisition rate of road pavement laying dust, thus improve the accuracy of detection of road cumulated dust.
In the above-described embodiments, sampling unit 100 also includes leveling board 50, and leveling board 50 is for the tune of leveling sampling cylinder 10
Joint leg 52；The relief valve that operating pressure is 0.01MPa is installed inside air intake 33, sampling cylinder can be made in sampling process
In remain negative pressure state (≈-0.01MPa), the dust-laden suspension in sampling area can flow to sampling tube, be conducive to carrying
The high flushing water response rate, relief valve is generally opened at 10s, is therefore set to 15s the vacuum pump sampling time；Pacify inside export mouth 32
Equipped with delivery line 322 vertically downward, delivery line 322 end and described lower platen 40 bottom surface are maintained at same level；Delivery line
322 is steel pipe, and the internal diameter of steel pipe is 10mm, is fitted with plastic tube in steel pipe, and the external diameter of plastic tube is 10mm, and plastic tube end is cut
Wedgewise；Sample collector stands in and constantly compresses inside and outside sealing gasket on leveling board and plastic tube is clamp-oned steel pipe, it is ensured that close during sampling
Packing seals with road surface, plastic tube wedge shaped end and road contact.Sample collector stands in and adjusts regulation on leveling board 50
Foot 52 also compresses inside and outside sealing gasket, prevents high-pressure washing water from overflowing sampling cylinder, it is ensured that sampling process does not has suspension to overflow, power
Striving 100% collection road cumulated dust sample, when sample collector leaves leveling board, regulation leg can extend, and recovers the bullet of sealing gasket
Property.Sampling unit can also be connected with the hydraulic means being arranged on sampling vehicle so that sample collector can complete onboard
Sampling, it is ensured that sampling safety, reduction sampling work load.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, it is not intended to limit；
Although this utility model being described in detail with reference to previous embodiment, it will be understood by those within the art that:
Technical scheme described in foregoing embodiments still can be modified by it, or carries out wherein portion of techniques feature
With replacing；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this utility model each embodiment technology
The spirit and scope of scheme.
Claims (8)
1. a road cumulated dust sampler, it is characterised in that include control unit, jetting machine, vacuum pump and sampling unit,
Described control unit controls described jetting machine and the open and close of described vacuum pump, and described sampling unit has and interconnects mutually
Logical sampling cylinder and sampling bottle, described sampling cylinder is circular cylinder, and described jetting machine connects with described sampling cylinder, described vacuum
Pump connects with described sampling bottle；Described sampling unit also includes the top board for fixing described sampling cylinder and lower platen, described
Top board is provided with water inlet, export mouth and air intake, and described water inlet connects with described jetting machine, described export mouth
Connect with described sampling bottle；Described lower platen bottom surface is bonded with the inside and outside two-stage sealing gasket preventing high-pressure washing water from overflowing, inner side
The thickness of sealing gasket is more than the thickness of outer side seal pad, and the internal diameter of described inner seal pad is identical with the internal diameter of described sampling cylinder.
Road cumulated dust sampler the most according to claim 1, it is characterised in that between described sampling bottle and described vacuum pump
Also it is connected with surge flask and effusion meter in turn.
Road cumulated dust sampler the most according to claim 1, it is characterised in that it is solid that described water inlet is also equipped with axial flow
Cone nozzle.
Road cumulated dust sampler the most according to claim 3, it is characterised in that the pressure of the solid cone nozzle of described axial flow
Scope is 0.05-1.0MPa, and range of flow is 1.8-6.0L/min, and jet angle is 90 °, and the solid cone nozzle of described axial flow is formed
Solid circular cone water column external diameter equal with the internal diameter of described lower platen.
Road cumulated dust sampler the most according to claim 1, it is characterised in that be provided with pressure release inside described air intake
Valve.
Road cumulated dust sampler the most according to claim 1, it is characterised in that be provided with inside described export mouth vertically to
Under delivery line, described delivery line end and described lower platen bottom surface are maintained at same level height.
Road cumulated dust sampler the most according to claim 6, it is characterised in that described delivery line is steel pipe, described steel pipe
Inside being fitted with plastic tube, described plastic tube end is whittled into wedge shape.
Road cumulated dust sampler the most according to claim 1, it is characterised in that described sampling unit also includes leveling board,
Described leveling board is additionally provided with the regulation leg for sampling cylinder described in leveling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835355.7U CN205879598U (en) | 2016-08-03 | 2016-08-03 | Road laying dust sample thief |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620835355.7U CN205879598U (en) | 2016-08-03 | 2016-08-03 | Road laying dust sample thief |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205879598U true CN205879598U (en) | 2017-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620835355.7U Active CN205879598U (en) | 2016-08-03 | 2016-08-03 | Road laying dust sample thief |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198110A (en) * | 2016-08-03 | 2016-12-07 | 北京市环境保护科学研究院 | A kind of road cumulated dust wet type sampler |
-
2016
- 2016-08-03 CN CN201620835355.7U patent/CN205879598U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198110A (en) * | 2016-08-03 | 2016-12-07 | 北京市环境保护科学研究院 | A kind of road cumulated dust wet type sampler |
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