CN105547733A - Frame sampling and analysis method for urban impervious surface ground deposition pollutants - Google Patents
Frame sampling and analysis method for urban impervious surface ground deposition pollutants Download PDFInfo
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- CN105547733A CN105547733A CN201510884754.2A CN201510884754A CN105547733A CN 105547733 A CN105547733 A CN 105547733A CN 201510884754 A CN201510884754 A CN 201510884754A CN 105547733 A CN105547733 A CN 105547733A
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- framework
- sampler
- hairbrush
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- pollutant
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- 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
-
- 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
- G01N2001/028—Sampling from a surface, swabbing, vaporising
Abstract
Belonging to the crossing field of municipal engineering technology and environmental engineering technology, the invention provides a sampling and analysis method for urban impervious surface ground deposition pollutants. The accumulated total amount of urban impervious surface ground deposition pollutants before rainfall represents the pollution degree of urban impervious surface before rainfall, and detailed study on the urban impervious surface pollution degree is insufficient. The method consists of: pressing and fixing a frame sampler to a selected urban impervious ground surface, employing a hair brush to sweep and take pollutants within the frame sampler, especially sweeping the corners of the frame sampler thoroughly; repeating sweeping taking more than 5 times; collecting the pollutants, and making labels for standby use; changing hair brushes at different sampling points to prevent secondary pollution caused by the hair brushes; and at the end of all sampling, making labels and sending the samples to a laboratory. The method provided by the invention can accurately collect the pollutants accumulated on the urban impervious surface before rainfall, and the collected pollutants can reflect the pollution degree of urban impervious surface through analysis. The method provided by the invention is easy to operate, and ensures the implementation feasibility.
Description
Technical field
The present invention relates to the sampling and analyzing method of waterproof earth's surface, a kind of city superficial deposit pollutant, belong to municipal works technology and environment project crossing domain.
Background technology
Along with socioeconomic high speed development, industry point source and sanitary sewage obtain comprehensive management and control, but a rainfall in discovery city also can bring huge pollutional load to receiving water body: normal river becomes overproof water quality, nitrogen phosphorus level in water body sharply rises, limited in one's ability to this with the traditional cities water environment treatment system that sewage network and treatment plant set up for core facility.The heightened awareness such as experts and scholars are controlled to taking means targetedly Modes for Urban Stormwater Runoff Pollution, and rainfall runoff has been carried out corresponding practice of harnessing as main pollution entering the water by indivedual city.
Modes for Urban Stormwater Runoff Pollution is 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.The pollutant suspended in an atmosphere enters natural precipitation along with rainfall, drops to ground, is the part in rainwater runoff pollution source; Pollutant from city waterproof earth's surface accumulation is then the main source of rainwater runoff pollution.The latter also exists spatio-temporal difference, and pollution source is complicated simultaneously, and pollution level is difficult to quantize.
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, proposes a kind of simple and feasible, framework method of 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 pollutant, proposes a kind of simple and feasible, framework method of sampling accurately.
The framework sampling apparatus of waterproof earth's surface, city superficial deposit pollutant, it is characterized in that, this device comprises: hairbrush and framework sampler.
Further, bristle hairbrush chosen by (1) hairbrush, and width is 2cm; Require that different sampled points is all furnished with respective one hairbrush.(2) framework sampler is by long 11cm, wide 1cm, and 4 battens of thick 0.5cm combine square, and its internal surface area is 10cm*10cm, and wants firm indeformable.
Apply the method that described device carries out sampling, it is characterized in that, step is: the pressing of framework sampler is fixed on waterproof ground, selected city, sweeps the pollutant got in framework sampler, especially sweep thoroughly by the corner of framework sampler with hairbrush; Repeat to sweep and get more than 5 times; Collect pollutant, carry out label with for subsequent use; Different sampled point will use hairbrush instead, prevents hairbrush from causing secondary pollution; After whole sampling terminates, carry out label and send laboratory.
When the pollutant collected is less than or equal to 10g/m
2time, this framework sampler available multiple repairing weld near selected sampled point, each time all at different ground point samplings, until the collected total amount of pollutant is greater than 10g/m
2till.
Sampling step is: the pressing of framework sampler is fixed on (building roof on waterproof ground, selected city, traffic route, square)---the pollutant got in framework sampler is swept with hairbrush, especially the corner of framework sampler is swept thoroughly---repeat to sweep and get 5 times---and collect pollutant, carry out label with for subsequent use---different sampled point will use different hairbrush instead, prevent hairbrush from causing secondary pollution---after all sampling terminates, carry out label and send laboratory.
Pollution level analytical approach: weight---the unit conversion of pollution level of each sampled point pollutant of weighing successively by label: namely sampling weight obtain pollution level divided by sampling area is xg/m
2---make a record.Laboratory chemical can be done further detect, analyze the pollution level of various different criteria pollutants.
Beneficial effect:
1. adopt method of the present invention, the pollutant of city waterproof earth's surface rainfall front ground accumulation can be collected accurately.
2. the present invention makes simple and easy, simple to operate, ensure that the exploitativeness of this patent.
3. the pollutant collected can reflect the pollution level on waterproof earth's surface, city by analysis.
Accompanying drawing explanation
Fig. 1 is apparatus of the present invention schematic diagram.
Embodiment
With reference to accompanying drawing, the present invention includes hairbrush and framework sampler.Sweep the earth's surface pollutant getting framework sampler corner for convenience, bristle hairbrush chosen by hairbrush, and width is 2cm, and hairbrush number is determined according to the number of different sampled point.Framework sampler is by long 11cm, and 4 battens of wide 1cm, thick 0.5cm combine square, and its internal surface area is 10cm*10cm, and wants firm indeformable.When the pollutant collected is less than or equal to 10g/m
2time, this framework sampler available multiple repairing weld near selected sampled point, each time all at different ground point samplings, until the collected total amount of pollutant is greater than 10g/m
2till.
Sampling procedure is: the pressing of framework sampler is fixed on (building roof on waterproof ground, selected city, traffic route, square)---the pollutant got in framework sampler is swept with hairbrush, especially the corner of framework sampler is swept thoroughly---repeat to sweep and get 5 times---and collect pollutant, carry out label with for subsequent use---different sampled point will use hairbrush instead, prevent hairbrush from causing secondary pollution---after all sampling terminates, carry out label and send laboratory.
Claims (4)
1. the framework sampling apparatus of waterproof earth's surface, city superficial deposit pollutant, is characterized in that, this device comprises: hairbrush and framework sampler.
2. framework sampling apparatus according to claim 1, is characterized in that: bristle hairbrush chosen by (1) hairbrush, and width is 2cm; Require that different sampled points is all furnished with respective one hairbrush.(2) framework sampler is by long 11cm, wide 1cm, and 4 battens of thick 0.5cm combine square, and its internal surface area is 10cm*10cm.
3. apply the method that device as claimed in claim 1 or 2 carries out sampling, it is characterized in that, step is: the pressing of framework sampler is fixed on waterproof ground, selected city, sweeps the pollutant got in framework sampler, especially sweep thoroughly by the corner of framework sampler with hairbrush; Repeat to sweep and get more than 5 times; Collect pollutant, carry out label with for subsequent use; Different sampled point will use hairbrush instead, prevents hairbrush from causing secondary pollution; After whole sampling terminates, carry out label and send laboratory.
4. analytical approach according to claim 3, is characterized in that: when the pollutant collected is less than or equal to 10g/m
2time, this framework sampler available multiple repairing weld near selected sampled point, each time all at different ground point samplings, until the collected total amount of pollutant is greater than 10g/m
2till.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884754.2A CN105547733A (en) | 2015-12-06 | 2015-12-06 | Frame sampling and analysis method for urban impervious surface ground deposition pollutants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510884754.2A CN105547733A (en) | 2015-12-06 | 2015-12-06 | Frame sampling and analysis method for urban impervious surface ground deposition pollutants |
Publications (1)
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|---|---|
| CN105547733A true CN105547733A (en) | 2016-05-04 |
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| CN201510884754.2A Pending CN105547733A (en) | 2015-12-06 | 2015-12-06 | Frame sampling and analysis method for urban impervious surface ground deposition pollutants |
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Cited By (1)
| 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 |
Citations (3)
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| CN201334401Y (en) * | 2009-01-06 | 2009-10-28 | 河南理工大学 | Field experimental device simulating the riparian wetland for controlling the agricultural nonpoint source pollution |
| CN103983751A (en) * | 2014-05-23 | 2014-08-13 | 天津大学 | Runoff non-point source pollution monitoring test device |
| CN204594981U (en) * | 2015-04-27 | 2015-08-26 | 水利部牧区水利科学研究所 | A kind of device of collection of biological skinning surfaces runoff |
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2015
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Patent Citations (3)
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|---|---|---|---|---|
| CN201334401Y (en) * | 2009-01-06 | 2009-10-28 | 河南理工大学 | Field experimental device simulating the riparian wetland for controlling the agricultural nonpoint source pollution |
| CN103983751A (en) * | 2014-05-23 | 2014-08-13 | 天津大学 | Runoff non-point source pollution monitoring test device |
| CN204594981U (en) * | 2015-04-27 | 2015-08-26 | 水利部牧区水利科学研究所 | A kind of device of collection of biological skinning surfaces runoff |
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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 |
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Application publication date: 20160504 |
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