CN105277389A - Water wash sampling method for deposited pollutants on urban impermeable ground surface - Google Patents
Water wash sampling method for deposited pollutants on urban impermeable ground surface Download PDFInfo
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- CN105277389A CN105277389A CN201510886443.XA CN201510886443A CN105277389A CN 105277389 A CN105277389 A CN 105277389A CN 201510886443 A CN201510886443 A CN 201510886443A CN 105277389 A CN105277389 A CN 105277389A
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Abstract
The invention provides a water wash sampling method for deposited pollutants on the urban impermeable ground surface and belongs to the cross field of the municipal engineering technology and the environment engineering technology. The accumulation amount of the deposited pollutants on the urban impermeable ground surface before raining represents the pollution level of the urban impermeable ground surface before raining, and no sampling method exists. A frame sampler is pressed and fixed on a selected urban impermeable ground surface, the gap between the frame sampler and the urban impermeable ground surface is sealed with plasticine, the frame sampler is filled with water, a brush which is wetted in advance is used for cleaning the pollutants in the frame sampler, and particularly corners of the frame sampler are cleaned thoroughly; a direct current vacuum pump is started, and a mixed solution in the frame sampler is absorbed into a wild-mouth bottle. According to the water wash sampling method for the deposited pollutants on the urban impermeable ground surface, the accumulated pollutants on the urban impermeable ground surface before raining can be accurately collected; the filling-digging amount of the urban impermeable ground surface can be indirectly measured; manufacturing is easy, the operation is simple, and the implementing criterion of the method is guaranteed.
Description
Technical field
The present invention relates to the method for sampling of waterproof earth's surface, a kind of city superficial deposit pollutant, belong to municipal works technology and environment project crossing domain.
Background technology
Modes for Urban Stormwater Runoff Pollution refers under the drip washing and souring of rainfall, the pollutant that in urban atmosphere and earth's surface is accumulated is along with runoff, participate in collecting via unwatering system, conveying and process, by the water pollutions multiplely collecting, move and discharging modes finally enter receiving water body and cause.
Along with the fast development of Chinese society, increasing people enters city, city size is caused constantly to expand, urbanization degree is more and more higher, urbanization result in greenery patches, vegetation etc. dankly surface area coverage greatly reduce, and the Permeable stratum areas such as the road in city, square, building roof continue to increase.Meanwhile, due to the impact of human factor, urban surface is caused to have accumulated the pollutant of a large amount of complicated, pollutant from city waterproof earth's surface accumulation also exists spatio-temporal difference, pollution source are complicated simultaneously, pollution level is difficult to quantize, and is washed and transfers in rainfall runoff, cause rainwater to be heavily polluted in rainfall.Waterproof earth's surface, city runoff pollution has become the important pollution source of natural water, and runoff pollution research in waterproof earth's surface, city more and more becomes the focus and emphasis of experts and scholars' research.
Since developed countries and regions hand control Modes for Urban Stormwater Runoff Pollution, present stage praises highly energetically affects with low the rainwater source creativity measure that development facility is representative, provides reference and reference for China carries out related work.Wherein before runoff enters drainage pipeline networks, it cut down and process not only simple economy, and effective.Typical measure comprises: control atmospheric pollution, rationally clean Streets.But before rainfall, amount of pollutant accumulation and the pollution level on waterproof earth's surface, city but seldom carry out quantitative test.
The accumulation total amount of waterproof earth's surface, the front city of rainfall superficial deposit pollutant, characterize the pollution level on waterproof earth's surface, the front city of rainfall, current shortage is to its comparatively detailed research, and reason is the current method of sampling not having waterproof earth's surface, the city of specification pollutant.The present invention solves the current method of sampling also not having waterproof earth's surface, the city of specification pollutant, propose a kind of simple and feasible, wash the method for sampling accurately, for follow-up formulation associated specifications is offered reference.
Summary of the invention
The present invention is mainly and solves the current method of sampling also not having waterproof earth's surface, the city of specification superficial deposit pollutant, proposes a kind of feasible, accurate water washing collection method.
The washing sampling apparatus of waterproof earth's surface, city superficial deposit pollutant, it is characterized in that, pollutant sampling apparatus comprises: hairbrush, accumulator, direct-current vacuum pump, snorkel, wide-necked bottle and framework sampler; Framework sampler is furnished with plasticine, wide-necked bottle bottleneck plug jam-pack, plug does two snorkels, is respectively draft tube and escape pipe; Wherein draft tube one is placed in outside bottle, and one enters in bottle, and escape pipe one enters in bottle, the air intake opening of a connection minisize dc vacuum pump; Minisize dc vacuum pump and accumulator connect.
Further, bristle hairbrush chosen by (1) hairbrush, and width is 2cm; Different sampled point all will be equipped with respective one hairbrush; (2) accumulator selection work voltage is 12V; (3) direct-current vacuum pump vacuum tightness is 75kpa, operating voltage 12V, rated flow 10L/min; (4) wide-necked bottle volume is with seal rubber plug; For preventing wide-necked bottle from causing secondary pollution, different sampled point all will be equipped with a respective wide-necked bottle; (5) framework sampler is square, and its internal surface area is 10cm*10cm.
Apply the method for described device, it is characterized in that, step is: the pressing of framework sampler is fixed on waterproof ground, selected city, space plasticine between the waterproof earth's surface of framework sampler and city is closed, water is poured in framework sampler, with the pollutant in prior moistening good hairbrush cleaning framework sampler, especially by the cleaning of the corner of framework sampler thoroughly; Start direct-current vacuum pump, the mixed solution in framework is sucked in wide-necked bottle; Circulate at least 5 times, collect, carry out label with for subsequent use; Different sampled point installs different wide-necked bottles, selects different hairbrush, prevents wide-necked bottle and hairbrush from causing secondary pollution; All sampled points have been sampled, and make a record and send laboratory.
The connection of partial devices described above: wide-necked bottle bottleneck plug jam-pack, plug does two snorkels, wherein draft tube one is placed in outside bottle, and one enters 10cm in bottle, and escape pipe one enters 10cm in bottle, the air intake opening of a connection minisize dc vacuum pump.Meanwhile, minisize dc vacuum pump and accumulator and power switch connect.
Sampling procedure is: the pressing of framework sampler is fixed on (building roof on waterproof ground, selected city, traffic route, square), space plasticine between the waterproof earth's surface of framework sampler and city is closed---in framework sampler, pouring 200ml pure water into---with prior moistening good hairbrush cleans pollutant in framework sampler, especially by the cleaning of the corner of framework sampler thoroughly---turn on the power switch, start minisize dc vacuum pump, with the snorkel be placed in outside bottle by the mixed solution inhaler in framework---circulate 5 times with this, collect, carry out label with for subsequent use---different sampled point installs different wide-necked bottles, select different hairbrush, preventing wide-necked bottle and hairbrush from causing secondary pollution---all sampled points have been sampled, make a record and send laboratory.
Beneficial effect:
1. adopt method of the present invention, the pollutant accumulated before the rainfall of waterproof earth's surface can be collected accurately.
2. this patent indirectly can also measure filling out of waterproof earth's surface and destroy vector.
3. this patent makes simple and easy, simple to operate, ensure that the exploitativeness of this patent.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention schematic diagram.
Embodiment
With reference to accompanying drawing, the present invention includes: hairbrush, accumulator, direct-current vacuum pump, snorkel, wide-necked bottle, framework sampler.Sweep the earth's surface pollutant getting framework sampler corner for convenience, bristle hairbrush chosen by hairbrush, and width is 2cm.Carry for convenience, battery tension is 12V, and volume is 15cm*15cm*15cm.Carry for convenience, select minisize dc vacuum pump, and be combined with battery pack, minisize dc vacuum pump vacuum tightness is 75kpa, operating voltage 12V, rated flow 10L/min.Snorkel is the plastic, transparent flexible pipe of diameter 6mm.Wide-necked bottle volume 2.5L, and with seal rubber plug.Framework sampler is by long 11cm, and 4 hard plastic material strips of wide 1cm, thick 5cm combine square, and its internal surface area is 10cm*10cm, and is furnished with plasticine, ensures framework sampler and waterproof ground good seal.
Device connects: wide-necked bottle bottleneck plug jam-pack, and plug does two snorkels, wherein draft tube one is placed in outside bottle, and one enters 10cm in bottle, and escape pipe one enters 10cm in bottle, the air intake opening of a connection minisize dc vacuum pump.Meanwhile, minisize dc vacuum pump and accumulator and power switch connect.
Sampling procedure is: the pressing of framework sampler is fixed on (building roof on waterproof ground, selected city, traffic route, square), space plasticine between framework sampler and waterproof earth's surface is closed---in framework sampler, pouring 200ml pure water into---with prior moistening good hairbrush cleans pollutant in framework sampler, especially by the cleaning of the corner of framework sampler thoroughly---turn on the power switch, start minisize dc vacuum pump, with the snorkel be placed in outside bottle by the mixed solution inhaler in framework---circulate 5 times with this, collect, carry out label with for subsequent use---different sampled point installs different wide-necked bottles, select different hairbrush, preventing wide-necked bottle and hairbrush from causing secondary pollution---all sampled points have been sampled, make a record and send laboratory.
Claims (3)
1. the washing sampling apparatus of waterproof earth's surface, city superficial deposit pollutant, is characterized in that, pollutant sampling apparatus comprises: hairbrush, accumulator, direct-current vacuum pump, snorkel, wide-necked bottle and framework sampler; Framework sampler is furnished with plasticine, wide-necked bottle bottleneck plug jam-pack, plug does two snorkels, is distributed as draft tube and escape pipe; Wherein draft tube one is placed in outside bottle, and one enters in bottle, and escape pipe one enters in bottle, the air intake opening of a connection minisize dc vacuum pump; Minisize dc vacuum pump and accumulator connect.
2. device according to claim 1, it is characterized in that: bristle hairbrush chosen by (1) hairbrush, width is 2cm; Different sampled point all will be equipped with respective one hairbrush; (2) accumulator selection work voltage is 12V; (3) direct-current vacuum pump vacuum tightness is 75kpa, operating voltage 12V, rated flow 10L/min; (4) wide-necked bottle volume is with seal rubber plug; For preventing wide-necked bottle from causing secondary pollution, different sampled point all will be equipped with a respective wide-necked bottle; (5) framework sampler is square, and its internal surface area is 10cm*10cm.
3. apply the method for device as claimed in claim 1 or 2, it is characterized in that, step is: the pressing of framework sampler is fixed on waterproof ground, selected city, space plasticine between the waterproof earth's surface of framework sampler and city is closed, water is poured in framework sampler, with the pollutant in prior moistening good hairbrush cleaning framework sampler, especially by the cleaning of the corner of framework sampler thoroughly; Start direct-current vacuum pump, the mixed solution in framework is sucked in wide-necked bottle; Circulate at least 5 times, collect, carry out label with for subsequent use; Different sampled point installs different wide-necked bottles, selects different hairbrush, prevents wide-necked bottle and hairbrush from causing secondary pollution; All sampled points have been sampled, and make a record and send laboratory.
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| CN201510886443.XA CN105277389A (en) | 2015-12-06 | 2015-12-06 | Water wash sampling method for deposited pollutants on urban impermeable ground surface |
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| CN201510886443.XA CN105277389A (en) | 2015-12-06 | 2015-12-06 | Water wash sampling method for deposited pollutants on urban impermeable ground surface |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680444A (en) * | 2016-12-05 | 2017-05-17 | 北京工业大学 | Method for directly obtaining SWMM (storm water management model) water quality model parameter B |
| CN109000976A (en) * | 2018-07-06 | 2018-12-14 | 中国水利水电科学研究院 | Storm runoff samples automatically, monitoring device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106680444A (en) * | 2016-12-05 | 2017-05-17 | 北京工业大学 | Method for directly obtaining SWMM (storm water management model) water quality model parameter B |
| CN109000976A (en) * | 2018-07-06 | 2018-12-14 | 中国水利水电科学研究院 | Storm runoff samples automatically, monitoring device and method |
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Application publication date: 20160127 |