CN101196441A - Vacuum sampling device for monitoring rainwater drain water quality - Google Patents
Vacuum sampling device for monitoring rainwater drain water quality Download PDFInfo
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- CN101196441A CN101196441A CNA2007103045377A CN200710304537A CN101196441A CN 101196441 A CN101196441 A CN 101196441A CN A2007103045377 A CNA2007103045377 A CN A2007103045377A CN 200710304537 A CN200710304537 A CN 200710304537A CN 101196441 A CN101196441 A CN 101196441A
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Abstract
The invention is a rain water runoff quality testing and vacuum sampling device, which belongs to the water supplying and discharging filed of water conservancy project. The invention comprises a vacuum buffering bottle (12), a vacuum pump (14) and a plurality of rain water sampling devices with the same structure. The vacuum buffering bottle is connected with a vacuum pump and each rain water sampling device is communicated with the vacuum buffering bottle. The structure of the single water sampling device is that: the device comprises an outdoor rain water sampling bottle (15), an indoor rain water collecting bottle (4) and a rain water sampling bottle (7); the outdoor water sampling bottle and the indoor rain water collecting bottle are communicated with each other by an outdoor rain water collecting and drawing duct; the indoor rain water collecting bottle and the rain water sampling bottle are communicated by a connecting rain water sampling bottle duct. The indoor rain water collecting bottle is communicated with the vacuum buffering bottle through an indoor rain water collecting bottle vacuumizing duct. The indoor rain water collecting bottle is communicated with air through the indoor rain water collecting bottle airing duct. The invention has the advantages of solving the sampling problem at multiple places of rain water runoff and saving the labour of on-site sampling in rain.
Description
Technical field
The present invention relates to a kind of vacuum sampling device for monitoring rainwater drain water quality, belong to hydraulic engineering water supply and drainage field.
Background technology
The feasibility of Application of Urban Rain Water and can utilize degree not only to depend on the rainfall and the spatial and temporal distributions of rainfall, and depend on the water quality condition of rainfall runoff, the monitoring analysis of rainfall runoff water quality is a basic work carrying out Application of Urban Rain Water, and accurately whether the rainwater sampling, in time, reliably, can directly have influence on the quality of whole water quality monitoring work.Past, in rainfall runoff water quality monitoring work, people adopt on-the-spot hand sampling mostly, are difficult to guarantee the unification in each sampling spot sampling time, also be difficult for holding the runoff yield time accurately, brought inconvenience for further analytical work, simultaneously, on-site sampling work also will spend lot of manpower and material resources, the situation of multidraw is all the more so, especially run into the big situation of day reshahar, the on-site sampling personnel will travel to and fro between between sampling spot and the laboratory in spite of the rain, and on-site sampling work is very arduous.At present, various portable water quality monitoring sampler are arranged, but instrument can only the single-point sampling, and it costs an arm and a leg.
Summary of the invention
The objective of the invention is to overcome existing water quality monitoring sampler and get a little single, expensive defective, a kind of vacuum sampling device for monitoring rainwater drain water quality is provided.This device can be taken a sample to a plurality of sampling spots simultaneously simultaneously, and has simple in structure, low cost and other advantages.
To achieve these goals, the present invention has taked following technical scheme.This device comprises vacuum buffer bottle 12, the rainwater sampler that vacuum pump 14 is identical with a plurality of structures.Wherein, vacuum buffer bottle 12 is connected with vacuum pump 14, and each rainwater sampler all is connected with vacuum buffer bottle 12, and the structure of each rainwater sampler is as follows: include outdoor rainwater sampling bottle 15, indoor rainwater receiving flask 4 and rainwater sample bottle 7; Outdoor rainwater sampling bottle 15 is introduced conduit 2 with indoor rainwater receiving flask 4 by outdoor rainwater collection and is connected, and outdoor rainwater collection is introduced conduit 2 and is provided with into rainwater valve 3.Indoor rainwater receiving flask 4 is connected by being connected rainwater sample bottle conduit 5 with rainwater sample bottle 7, and connection rainwater sample bottle conduit 5 is provided with puts rainwater valve 6.Indoor rainwater receiving flask 4 vacuumizes conduit 11 by indoor rainwater receiving flask and is connected with vacuum buffer bottle 12, and indoor rainwater receiving flask vacuumizes conduit 11 and is provided with and vacuumizes valve 10.Indoor rainwater receiving flask 4 is connected with atmosphere by indoor rainwater receiving flask airway 8, and indoor rainwater receiving flask airway 8 is provided with gas valve 9.
Also include the tripod fixed support 16 that is used for fixing outdoor rainwater sampling bottle 15, tripod fixed support 16 is provided with warning lamp 17.
Compare with existing sampler, the present invention has following advantage: 1) solve rainfall runoff multiple spot problem of sampling simultaneously, and the sample time of unified each sampling spot of different underlying surface; 2) determine accurate runoff yield time of each sampling spot; 3) save the labor capacity of on-site sampling in spite of the rain, and simple to operate.
Description of drawings
Fig. 1 indoor set synoptic diagram
The indoor rainwater receiving flask of Fig. 2 synoptic diagram
The outdoor sampling head synoptic diagram of Fig. 3
Among the figure: 1, sample platform, 2, outdoor rainwater collection introduces conduit, 3, advance the rainwater valve, 4, indoor rainwater receiving flask, 5, connect rainwater sample bottle conduit, 6, put the rainwater valve, 7, rainwater sample bottle, 8, indoor rainwater receiving flask airway, 9, gas valve, 10, vacuumize valve, 11, indoor rainwater receiving flask vacuumizes conduit, 12, the vacuum buffer bottle, 13, connect the vacuum pump conduit, 14, vacuum pump, 15, outdoor rainwater sampling bottle, 16, tripod fixed support, 17, warning lamp.
Embodiment
The invention will be further described below in conjunction with accompanying drawing.
As Fig. 1～shown in Figure 3, present embodiment mainly comprises outdoor sampling head, indoor rainwater receiving flask 4, vacuum buffer bottle 12 and vacuum pump 14.Wherein, outdoor sampling head includes outdoor rainwater sampling bottle 15, tripod fixed support 16 and warning lamp 17.Be provided with six outdoor rainwater sampling bottles 15 and six indoor rainwater receiving flasks in the present embodiment, wherein outdoor rainwater sampling bottle 15 is introduced conduit 2 with indoor rainwater receiving flask 4 by outdoor rainwater collection and is connected one to one, and introduces on the conduit 2 that in outdoor rainwater collection into rainwater valve 3 being installed.Indoor rainwater receiving flask 4 links to each other by being connected rainwater sample bottle conduit 5 with rainwater sample bottle 7, and with putting 6 controls of rainwater valve.Indoor rainwater receiving flask 4 vacuumizes conduit 11 with vacuum buffer bottle 12 by indoor rainwater receiving flask and links to each other, and with vacuumizing valve 10 controls.Indoor rainwater receiving flask 4 is connected by rainwater receiving flask airway 8 and atmosphere, and controls with gas valve 9.Link to each other by being connected vacuum pump conduit 13 between vacuum buffer bottle 12 and the vacuum pump 14.
Outdoor sampling head is made up of outdoor rainwater sampling bottle 15, tripod fixed support 16, warning lamp 17.What the outdoor rainwater sampling bottle 15 in the present embodiment adopted is the 500ml plastic beverage bottle, plastic bottle is just put, on plastic bottle closure, punch, introducing conduit 2 with the outdoor rainwater collection of internal diameter 6mm links to each other, strict seal is wanted in the attention junction, that beats diameter 6mm at the bottom of the plastic bottle advances 6 of rainwater hole, it is evenly distributed to be the plum blossom shape, the gravel of about half bottle of diameter of packing in the bottle greater than 6mm, main play fixedly body, prevent the body inclination, outdoor rainwater collection is introduced conduit 2 and is inserted gravel until near the bottle end, gets runoff yield first water sample constantly with assurance.What tripod fixed support 16 adopted is common collapsible music stand, presses and props up on outdoor rainwater sampling bottle 15, plays fixation.Warning lamp 17 is an alternating flashing light, and dry cell power supply is placed in tripod fixed support 16 tops, plays the security warning effect, prevents that the pedestrian from hitting sampling head by mistake.During sampling, make rainwater rainwater collection outside rainwater sampling bottle 15 inlet chambers introduce conduit 2 by suction.
The plastic tube that conduit 2 adopts diameter 6mm is introduced in outdoor rainwater collection, will add the cover steel pipe when laying by road, sets up from the outdoor rainwater collection introducing conduit 2 on roof and will note avoiding dog leg, and is unimpeded to guarantee water delivery.In addition, each sampling spot will use the conduit of different colours, so that check maintenance.
Each indoor rainwater receiving flask 4 is all continuous with corresponding outdoor sampling head, indoor rainwater receiving flask 4 is arranged in order to be inverted and is erected on the vertical panel of sample platform 1, the glass of indoor rainwater receiving flask 4 employing 2500mm is mouthful bottle, settle outdoor rainwater collection introducing conduit 2 and be connected rainwater sample bottle conduit 5 at its bottleneck, outdoor rainwater collection is introduced conduit 2 and should be inserted near the bottle position at the end, in case occur the submerge discharging flow state when using, get final product and connect rainwater sample bottle conduit 5 insertion bottlenecks, guaranteeing to get instant water sample, rainwater receiving flask airway 8 is installed and indoor rainwater receiving flask vacuumizes conduit 11 to bottleneck at the bottom side of indoor rainwater receiving flask 4.
In the present embodiment, except that outdoor sampling head 15,16,17 and outdoor rainwater collection introducing conduit 2, the remainder of device all is installed in the laboratory.
Before rainfall is arrived, at first place outdoor sampling head 15 at outdoor each sampling spot, 16,17, rainfall at the beginning, promptly at once at indoor unlatching vacuum pump 14, vacuumize simultaneously by 12 pairs of indoor each rainwater receiving flasks 4 of vacuum buffer bottle, after the rainfall runoff yield forms, rainwater is then by the outdoor sampling head 15 that is placed on each sampling spot, 16,17 introduce conduit 2 by outdoor rainwater collection flows into each indoor rainwater receiving flask 4, open the gas valve 9 of rainwater receiving flask 4 simultaneously and put rainwater valve 6, the rainwater of rainwater receiving flask 4 can be put into rainwater sample bottle 7, in order to measuring every water quality parameter.
In order accurately to make sample time, before use, measure the time that each sampling spot rainwater flows to indoor rainwater receiving flask 4, when actual sampling record, should will should deduct the time to obtain sample time accurately.
For this reason, we have developed vacuum sampling device for monitoring rainwater drain water quality, and use it for research practice, have obtained effect preferably.
The concrete operations step of present embodiment is as follows:
1) before the rainfall outdoor sampling head (15,16,17) is in place, warning lamp 17 is opened in 16 fixations of tripod fixed support;
2) close and respectively put rainwater valve 6 and gas valve 9, open and vacuumize valve 10;
3) open vacuum pump 14;
4) observe and write down going out the stream time of each indoor rainwater receiving flask 4;
5) time interval by the requirement of water quality monitoring scheme takes water sample, if there is a rainwater receiving flask 4 to begin to flow to rainfall runoff, then pick up counting, other rainwater receiving flask 4 is also to begin time division spacer this moment, put all rainwater receiving flasks 4 of then emptying to the time interval, vacuum pump 14 does not stop when putting rainwater, only needs to open gas valve 9 and put rainwater valve 6 to get final product.
6) water sample is respectively charged into rainwater sample bottle 7, and post label, if during less than sample interval point, the water surface near the bottle top, should in time be put rainwater to rainwater sample bottle 7 in the rainwater receiving flask 4, and record discharge time, post label, as adding the survey water sample, or as abandoning water treatment, can prevent that like this rainwater from flowing into vacuum buffer bottle 12, also can guarantee that the water sample in the rainwater receiving flask 4 is the up-to-date water sample that just extracts from sampling spot simultaneously.But put the rainwater of still wanting in all rainwater receiving flasks 4 of emptying in the time interval of determining, to guarantee the collection water sample being arranged in the official hour spaced points.When getting the rainwater sample and abandoning water, must open gas valve 9 and put rainwater valve 6, water sample is put into rainwater sample bottle 7.
7) rainfall finishes or observes when finishing, and emptying rainwater receiving flask 4 is closed vacuum pump 14.The care and maintenance of present embodiment:
1) outdoor sampling head (15,16,17) will in time be fetched after observation finishes, and folds tripod 16, with the gravel in the outdoor rainwater sampling bottle 15 of flushing with clean water, in order to using next time.
2) to place clear water at each sampling spot after observation finishes, open vacuum pump 14 and carry out cleaning operation, guarantee the cleaning of outdoor rainwater collection introducing conduit 2 and indoor rainwater receiving flask 4.
3) also in time emit after observation finishes for the rainwater in the vacuum buffer bottle 12 that causes owing to accident, and clean vacuum buffer bottle 12.
4) vacuum pump 14 wants by specification to require to carry out the routine maintenance.
The effect of present embodiment:
In actual rainfall runoff water quality monitoring, reached following effect by using this sampler:
1) solved rainfall runoff multiple spot problem of sampling simultaneously, unified the sample time of each sampling spot of different underlying surface, and obtained sample time accurately:
Adopt artificial on-site sampling to be difficult to accurately determine sample time in the past, use this sampler, opening the time that puts rainwater valve 6 deducts the time that this sampling spot rainwater flows to indoor rainwater receiving flask 4 and can obtain sample time accurately, in addition, the sample time that can also unify each sampling spot is so that compare the water quality monitoring result mutually.
2) make runoff yield time of each sampling spot:
Adopt artificial on-site sampling to be difficult to accurately to determine the runoff yield time in the past, use this sampler, the time that the rainwater that the time that current flow into indoor rainwater receiving flask 4 deducts this sampling spot flows to indoor rainwater receiving flask 4 can obtain the runoff yield time accurately.
3) alleviate the labor capacity of hand sampling:
Adopt artificial on-site sampling in the past, ten sampling spots are wanted ten people to divide and are clipped to each sampling spot sampling, if adopt five minutes sampling plans at interval, the sample collector will come and go between laboratory and sampling spot always in spite of the rain, especially run into the big situation of day reshahar, on-site sampling work is very arduous.Adopt now this sampler only need a people at laboratory sampling bench preceding switch valve (6,9), replace the rainwater sample bottle 7 of filling water, can finish sampling work accurately, in time, like a cork, other staff's on-the-spot water quality test of then can concentrating one's energy to carry out.
We with this device finished glass roofing, asphalt roofing, paved roofing, rainfall runoff sampling six kinds of different underlying surface sampling spots such as motorway, cycle track, walkway the time, observe 18 of rainfalls altogether, gather 423 of water samples, obtain thus effectively to analyze and 5233 of Monitoring Data, system works is normal, has reached its intended purposes.
Claims (2)
1. vacuum sampling device for monitoring rainwater drain water quality is characterized in that: comprise vacuum buffer bottle (12), the rainwater sampler that vacuum pump (14) is identical with a plurality of structures; Wherein, vacuum buffer bottle (12) is connected with vacuum pump (14), each rainwater sampler all is connected with vacuum buffer bottle (12), and the structure of single rainwater sampler is as follows: include outdoor rainwater sampling bottle (15), indoor rainwater receiving flask (4) and rainwater sample bottle (7); Outdoor rainwater sampling bottle (15) is introduced conduit (2) with indoor rainwater receiving flask (4) by outdoor rainwater collection and is connected, and outdoor rainwater collection is introduced conduit (2) and is provided with into rainwater valve (3); Indoor rainwater receiving flask (4) is connected by being connected rainwater sample bottle conduit (5) with rainwater sample bottle (7), and connection rainwater sample bottle conduit (5) is provided with puts rainwater valve (6); Indoor rainwater receiving flask (4) vacuumizes conduit (11) by indoor rainwater receiving flask and is connected with vacuum buffer bottle (12), and indoor rainwater receiving flask vacuumizes conduit (11) and is provided with and vacuumizes valve (10); Indoor rainwater receiving flask (4) is connected with atmosphere by indoor rainwater receiving flask airway (8), and indoor rainwater receiving flask airway (8) is provided with gas valve (9).
2. vacuum sampling device for monitoring rainwater drain water quality according to claim 1 is characterized in that: also include the tripod fixed support (16) that is used for fixing outdoor rainwater sampling bottle (15), tripod fixed support (16) is provided with warning lamp (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045377A CN101196441A (en) | 2007-12-28 | 2007-12-28 | Vacuum sampling device for monitoring rainwater drain water quality |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007103045377A CN101196441A (en) | 2007-12-28 | 2007-12-28 | Vacuum sampling device for monitoring rainwater drain water quality |
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| CN101196441A true CN101196441A (en) | 2008-06-11 |
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| CNA2007103045377A Pending CN101196441A (en) | 2007-12-28 | 2007-12-28 | Vacuum sampling device for monitoring rainwater drain water quality |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698159A (en) * | 2013-12-02 | 2014-04-02 | 浙江大学 | Raindrop triggering type runoff automatic sampling device and method |
| CN104535374A (en) * | 2014-12-09 | 2015-04-22 | 上海交通大学 | Stem flow collecting device for urban garden and mounting method of stem flow collecting device |
| CN105651553A (en) * | 2015-12-28 | 2016-06-08 | 中国原子能科学研究院 | Sampling device of mixing and clarifying tank |
| CN105911231A (en) * | 2016-07-01 | 2016-08-31 | 中水珠江规划勘测设计有限公司 | Urban underlying surface rainfall runoff infiltration simulation experiment system |
| CN107817135A (en) * | 2016-09-13 | 2018-03-20 | 中国环境科学研究院 | Rainfall runoff automatic sampling apparatus |
| CN109374354A (en) * | 2018-12-04 | 2019-02-22 | 陕西迪博景源测绘地理信息有限公司 | Multidraw water fetching device |
-
2007
- 2007-12-28 CN CNA2007103045377A patent/CN101196441A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103698159A (en) * | 2013-12-02 | 2014-04-02 | 浙江大学 | Raindrop triggering type runoff automatic sampling device and method |
| CN103698159B (en) * | 2013-12-02 | 2014-11-19 | 浙江大学 | Raindrop triggering type runoff automatic sampling device and method |
| CN104535374A (en) * | 2014-12-09 | 2015-04-22 | 上海交通大学 | Stem flow collecting device for urban garden and mounting method of stem flow collecting device |
| CN105651553A (en) * | 2015-12-28 | 2016-06-08 | 中国原子能科学研究院 | Sampling device of mixing and clarifying tank |
| CN105911231A (en) * | 2016-07-01 | 2016-08-31 | 中水珠江规划勘测设计有限公司 | Urban underlying surface rainfall runoff infiltration simulation experiment system |
| CN107817135A (en) * | 2016-09-13 | 2018-03-20 | 中国环境科学研究院 | Rainfall runoff automatic sampling apparatus |
| CN109374354A (en) * | 2018-12-04 | 2019-02-22 | 陕西迪博景源测绘地理信息有限公司 | Multidraw water fetching device |
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Open date: 20080611 |