CN202057507U - Sampling device for microfauna in drinking water - Google Patents
Sampling device for microfauna in drinking water Download PDFInfo
- Publication number
- CN202057507U CN202057507U CN2010206894096U CN201020689409U CN202057507U CN 202057507 U CN202057507 U CN 202057507U CN 2010206894096 U CN2010206894096 U CN 2010206894096U CN 201020689409 U CN201020689409 U CN 201020689409U CN 202057507 U CN202057507 U CN 202057507U
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- Prior art keywords
- microfauna
- water
- filter
- sampling
- collection device
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- Expired - Lifetime
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- 239000003651 drinking water Substances 0.000 title claims abstract description 19
- 238000005070 sampling Methods 0.000 title abstract description 41
- 235000020188 drinking water Nutrition 0.000 title abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000001914 filtration Methods 0.000 claims description 18
- 235000012206 bottled water Nutrition 0.000 claims description 14
- 239000004677 Nylon Substances 0.000 claims description 12
- 239000004744 fabric Substances 0.000 claims description 12
- 229920001778 nylon Polymers 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 238000012544 monitoring process Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 4
- 239000008399 tap water Substances 0.000 description 4
- 235000020679 tap water Nutrition 0.000 description 4
- 241000256128 Chironomus <genus> Species 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004321 preservation Methods 0.000 description 3
- 241000065675 Cyclops Species 0.000 description 2
- 241000244206 Nematoda Species 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 238000009987 spinning Methods 0.000 description 2
- 241000238571 Cladocera Species 0.000 description 1
- 241000243686 Eisenia fetida Species 0.000 description 1
- 206010015150 Erythema Diseases 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 231100000321 erythema Toxicity 0.000 description 1
- 238000000386 microscopy Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001717 pathogenic effect Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a sampling device for microfauna in drinking water, which comprises a water inlet connector and a water outlet connector. A filter is arranged between the two connectors, the filter is formed by movably connecting at least two filter columns, and a filter layer is arranged between the filter columns. The sampling device can retain initial states of the microfauna in a sampling process, thereby being good in sampling effect, compact in structure and convenient to bring. The filter columns are easy to replace, samples are easy to store, and the sampling device can adapt to various outdoor sampling conditions.
Description
Technical field
The utility model relates to the Sampling techniques field of microfauna, especially a kind of potable water microfauna sample collection device.
Background technology
At present, Indicator for Drinking Water Quality is under the prerequisite that satisfies national Drinking Water matter standard, and the water quality that microfauna pollutions such as user's tap water outlet outburst chironomus larvas still occur is complained incident.The limitation that the physiological characteristic of microfauna uniqueness and drinking water treatment technology itself exists makes it enter clear water reserviors and water supply network, even appears at during resident's water swivel goes out.The kind of the microfauna that occurs in the water-supply systems mainly contains: red worm, water flea and nematode.The appearance of microfauna influences the aesthetic quality of potable water, even brings potential pathogenic risk to health.In the water body sampling of microfauna by sample collecting, filtration, concentrate, observe four processes and form, the selected filtering material aperture of sampling is single, concentration effect is poor, the recovery is low, and water sample should not be preserved for a long time in addition, brings very big difficulty for the observation evaluation of microfauna.Because therefore existing sampling apparatus complicated operation and not ideal enough to the collection effect of microfauna presses for research, the new sampling apparatus at microfauna in the potable water of exploitation.
Application number is the Chinese patent application of CN200820077673.7, disclosed a kind of water quality monitoring automatic sampling apparatus, belong to the detection technique field, technical matters to be solved provide a kind of can with the close collaboration of online auto monitoring equipment, water quality automatic sampling apparatus easy to operate, rational in infrastructure, its technical scheme is: it is made up of control section, sampling section; Control section comprises parts such as microcomputer controller, communication module, and control section and online auto monitoring equipment are online, and its order output terminal is connected with sampling section; Sampling section comprises sampling pump, middle storage pond, water sample divider, flow guiding disc, sampling bottle, and the sampling delivery side of pump is connected with middle storage pond, water sample divider respectively by conduit, valve, and the water sample divider connects flow guiding disc and sampling bottle.This water quality monitoring automatic sampling apparatus, can realize automatic sampling, and can be online with online auto monitoring equipment, for it provides backup sampling, realize Monitoring Data exceed standard keep sample, operations such as synchronized sampling keeps sample, carry compound sample, remote command sampling, printing.But this monitoring device is too complicated, uses and inconvenience.
Summary of the invention
It is poor that goal of the invention of the present utility model is to solve the concentration effect that exists in the microfauna acquisition technique, complex operation, the problem that sample should not be preserved.By being loaded with the Filter column series connection of screen pack, effect is held back in the filtration of microfauna in the potable water to reach.The removable filter post makes sample be beneficial to storage and transport in addition, has shortened the sampling time greatly, has saved manpower and materials.
In order to realize the foregoing invention purpose, the utility model discloses a kind of potable water microfauna sample collection device, comprising:
An one water inlet connector and a water outlet connector is provided with a filtering bodies between described two connectors, described filtering bodies is movably connected to form by at least two Filter columns, and a filtering layer is set between the described Filter column.
Reasonable is that a RUBBER O RunddichtringO also is set between the described Filter column.
Reasonable is to fill out the filter medium of putting different apertures, unlike material in the described Filter column.
Reasonable is that described flexible connection comprises that internal and external screw thread connects.
Reasonable is that described filtering layer comprises a nylon filter cloth.
The utility model guarantees to hold back biological virgin state in the sampling process, and sample effect is good, and compact conformation, be easy to carry about with one, Filter column changes easyly, sample is beneficial to preservation, can adapt to various outdoor sampling conditions.
Description of drawings
Below, with reference to accompanying drawing, for those skilled in the art that, to the detailed description of the present utility model, above-mentioned and other purposes of the present utility model, feature and advantage will be apparent.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is a Filter column decomposition texture synoptic diagram.
Fig. 1 is in 2: 1 water inlet connector, 2 rubber o-ring seals, 3 filter mediums, 4, water delivering orifice
Embodiment
Figure 1 shows that the structural representation of potable water microfauna sampling apparatus of the present utility model, comprise a water inlet connector 1 and a water outlet connector 4, a filtering bodies 10 that between the two, connects, this filtering bodies 10 is formed by connecting in twos by the Filter column that plurality of sections has screw thread, illustrated the example of two Filter columns 11 and 12 among Fig. 2.Wherein, Filter column 11,12 is owing to there is internal thread, thus can be for convenience detach be connected, fill out between the Filter column 11,12 in twos and put a nylon filter cloth 3.In addition, for the purpose of sealing, a RUBBER O RunddichtringO 2 is set also between the Filter column 11,12 in twos, when flexibly connecting Filter column at 11,12 o'clock, is unlikely and causes seepage like this.
As a rule, the top of filtering bodies 10 makes sampling apparatus to be connected on the water swivel by water inlet connector 1.In sampling process, the water that enters in the filtering bodies 10 is discharged by water delivering orifice 4, the holding device water flow inside is unobstructed, can not apply extra pressure by trapped substance, guarantee to hold back biological virgin state in the sampling process, sample effect is good, and compact conformation, be easy to carry about with one, Filter column changes easy, sample is beneficial to preservation, can adapt to various outdoor sampling conditions.
Can fill out in the Filter column 11,12 in the utility model and put the sampling precision that device can be improved in different apertures, different filter medium, the internal and external screw thread design of Filter column 11,12 is convenient to change, and helps the storage and transport of sample.This apparatus structure is simple, and is easy to carry, can be widely used in the collection of microfauna in pipe network and the secondary water supply system.
When using potable water microfauna sampling apparatus of the present utility model, be divided into three steps and carry out:
A. the collection of water sample with concentrate: use 3 grades of Filter columns, in the Filter column from top to bottom respectively constant aperture be the nylon filter cloth of 30 μ m, 50 μ m, 100 μ m.Control tap water flow is 12 seconds/liter, uses manual time-keeping.
B. the preservation of sample: after sampling finishes, Filter column is screwed off successively, with tweezers the nylon filter cloth in the sampling unit is taken out, with wash bottle nylon filter cloth surface trapped substance is dashed that (wash-down water is a sterilized water to the double dish of φ 60mm, consumption is 5ml) after, double dish is placed on microscopically carries out biological microscopy.
C. the evaluation of microfauna:, select for use the microscope of different amplification to observe according to the build size and the movement characteristic of the microfauna that often occurs in the potable water.In conjunction with the microphoto of microfauna, contrast the microfauna collection of illustrative plates, determine the kind and the quantity of microfauna.
In conjunction with following two embodiment, application of the present utility model is described.
Embodiment one:
Choosing certain residential quarter water swivel is sampled point, and control tap water flow is 12 seconds/liter.Use 3 grades of Filter columns, fix the nylon filter cloth of 30 μ m, 50 μ m, 100 μ m in the Filter column from top to bottom respectively, and use manual time-keeping.Sampling screws off Filter column after finishing successively, with tweezers the nylon net cloth in the Filter column is taken out, and with wash bottle nylon filter cloth surface trapped substance is dashed to the double dish of φ 60mm (wash-down water is a sterilized water, and consumption is 5ml).Adjusting inversion type biological microscope enlargement factor is 64～160 times, writes down the kind and the quantity of observed microfauna.The result shows that when the filtration volume of water sample was 50L, detected microfauna had nematode, flagellate, cyclops, spinning roller worm, hydrachnid, campanularian, chironomus larvas.
Embodiment two:
Choosing certain commercial building water swivel is sampled point, and control tap water flow is 15 seconds/liter.Use 3 grades of Filter columns, fix the nylon filter cloth of 30 μ m, 50 μ m, 100 μ m in the Filter column from top to bottom respectively, and use manual time-keeping.Sampling screws off Filter column after finishing successively, with tweezers the nylon net cloth in the Filter column is taken out, and with wash bottle nylon filter cloth surface trapped substance is dashed to the double dish of φ 60mm (wash-down water is a sterilized water, and consumption is 5ml).Adjusting inversion type biological microscope enlargement factor is 64～160 times, writes down the kind and the quantity of observed microfauna.The result shows that when the filtration volume of water sample was 100L, detected microfauna had cyclops, spinning roller worm, hydrachnid, campanularian, chironomus larvas, erythema Piao body worm, water bear.
The above embodiment is two kinds of preferable case of embodiment of the present invention, and the filtration flow-rate that those skilled in the art carries out in the technology of the present invention embodiment changes and the replacement of filter medium all should be included in protection scope of the present invention.
Claims (5)
1. potable water microfauna sample collection device comprises:
An one water inlet connector and a water outlet connector is provided with a filtering bodies between described two connectors, described filtering bodies is movably connected to form by at least two Filter columns, and a filtering layer is set between the described Filter column.
2. potable water microfauna sample collection device according to claim 1 is characterized in that,
One RUBBER O RunddichtringO also is set between the described Filter column.
3. potable water microfauna sample collection device according to claim 1 and 2 is characterized in that,
Fill out the filter medium of putting different apertures, unlike material in the described Filter column.
4. potable water microfauna sample collection device according to claim 3 is characterized in that,
Described flexible connection comprises that internal and external screw thread connects.
5. potable water microfauna sample collection device according to claim 4 is characterized in that,
Described filtering layer comprises a nylon filter cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206894096U CN202057507U (en) | 2010-12-30 | 2010-12-30 | Sampling device for microfauna in drinking water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206894096U CN202057507U (en) | 2010-12-30 | 2010-12-30 | Sampling device for microfauna in drinking water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202057507U true CN202057507U (en) | 2011-11-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206894096U Expired - Lifetime CN202057507U (en) | 2010-12-30 | 2010-12-30 | Sampling device for microfauna in drinking water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202057507U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404457A (en) * | 2016-10-28 | 2017-02-15 | 长沙理工大学 | Sampling device for worms in drinking water and use method of sampling device |
| WO2018161744A1 (en) * | 2017-03-06 | 2018-09-13 | 深圳市易瑞生物技术股份有限公司 | Filter apparatus and application thereof to sample pretreatment in food safety testing |
-
2010
- 2010-12-30 CN CN2010206894096U patent/CN202057507U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106404457A (en) * | 2016-10-28 | 2017-02-15 | 长沙理工大学 | Sampling device for worms in drinking water and use method of sampling device |
| CN106404457B (en) * | 2016-10-28 | 2018-09-11 | 长沙理工大学 | Worm sampler and its application method in a kind of drinking water |
| WO2018161744A1 (en) * | 2017-03-06 | 2018-09-13 | 深圳市易瑞生物技术股份有限公司 | Filter apparatus and application thereof to sample pretreatment in food safety testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111130 |