CN204085949U - A kind of Portable multistage suction filtration system - Google Patents
A kind of Portable multistage suction filtration system Download PDFInfo
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- CN204085949U CN204085949U CN201420528422.1U CN201420528422U CN204085949U CN 204085949 U CN204085949 U CN 204085949U CN 201420528422 U CN201420528422 U CN 201420528422U CN 204085949 U CN204085949 U CN 204085949U
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- suction filtration
- portable
- filter membrane
- multistage
- suction
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Abstract
The utility model discloses a kind of Portable multistage suction filtration system, comprise the portable suction filtering tube of the enclosure-type that can be connected with Portable heavy metal analyser, the top of portable suction filtering tube is provided with injection port and suction filtration mouth, injection port is positioned at the below of suction filtration mouth, suction filtration mouth is connected with DC micro vacuum pump by suction filtration connecting pipe, injection port is connected with multistage filter by sealed joint pipe, and multistage filter is connected with sample feeding pipe, and sample feeding pipe is connected with sample cup.Itself and Portable heavy metal analyser support the use, and the suction filtration of sewage sample and solid digestion solution in heavy metal process is detected in applicable field in real time, can facilitate field carry with use, suction filtration speed is fast and suction filtration process can be avoided to block.
Description
Technical field
The utility model relates to Suction filtration device technical field, particularly relates to a kind of Portable multistage suction filtration system.
Background technology
In recent years, our health, the events such as the water quality heavy metal pollution occurred in rapid succession, heavy metal pollution of soil and rice cadmium pollution in the positive serious threat of heavy metal pollution, heavy metal pollution is monitored and administers the emphasis becoming the current pollution treatment work of China.
The existing Portable heavy metal analyser developed can be used for field and detects the heavy metal that may there is pollution in real time, and the heavy metal kind that it can detect can reach 15 kinds.The Cleaning Principle of this Portable heavy metal analyser is anodic stripping voltammetry, and this method requires that water sample to be detected is without macromolecule contaminant, otherwise detection data may be caused to occur deviation.But in the testing process of reality, for sewage sample when detecting, owing to usually there is more cotton-shaped suspension in sewage, this can affect the precision of detection.In addition, for the solid sample such as soil and rice when detecting, generally need after nitric acid and hydrogen peroxide to be cleared up, the heavy metal in solid sample just can be discharged in digestion solution.Therefore, the filtration of digestion solution and sewage or suction filtration are the steps necessarys measuring heavy metal contaminants.
At present, conventional Suction filtration device mainly contains two classes: a class is Vacuum filtration device, and this device provides the vacuum pump of negative pressure and bottle,suction to form by one; Another kind is manual Suction filtration device.Wherein, Vacuum filtration device generally adopts AC vacuum pump, needs the alternating voltage of 220v, and thus volume is comparatively large, uses inconvenience in the wild; And bottle,suction mostly is glass device, and minimum capacity is general all at about 250ml, and inconvenient field is carried, and in addition, uses same Suction filtration device also can cause cross pollution between sample between different sample.Though manual Suction filtration device is without the need to power and be easy to carry about with one, when sample size is large or particle content is higher (as the solid such as soil and food digestion solution), this suction filtration method wastes time and energy very much, brings many inconvenience to sample pre-treatments work.
Utility model content
The purpose of this utility model is to propose a kind of Portable multistage suction filtration system, support the use with Portable heavy metal analyser, the suction filtration of sewage sample and solid digestion solution in heavy metal process is detected in applicable field in real time, can facilitate field carry with use, suction filtration speed is fast and suction filtration process can be avoided to block.
For reaching this object, the utility model by the following technical solutions:
A kind of Portable multistage suction filtration system, comprise the portable suction filtering tube of the enclosure-type that can be connected with Portable heavy metal analyser, the top of described portable suction filtering tube is provided with injection port and suction filtration mouth, described injection port is positioned at the below of described suction filtration mouth, described suction filtration mouth is connected with DC micro vacuum pump by suction filtration connecting pipe, described injection port is connected with multistage filter by sealed joint pipe, and described multistage filter is connected with sample feeding pipe, and described sample feeding pipe is connected with sample cup.
Wherein, described multistage filter comprises the multistage filter membrane structure stacked successively from top to bottom, described filter membrane structure comprises the top cover and filter membrane liner that seal fastening from top to bottom, filter membrane is provided with between described top cover and described filter membrane liner, wherein, the aperture being positioned at the described filter membrane of the described filter membrane structure on upper strata is less than the aperture of the described filter membrane of the described filter membrane structure being positioned at lower floor.
Wherein, described multistage filter comprises 5 grades of described filter membrane structures, and wherein, the aperture of the described filter membrane of 5 grades of described filter membrane structures is followed successively by 0.45 μm, 0.8 μm, 3 μm, 10 μm, 25 μm.
Wherein, the diameter of described filter membrane is 50mm, and described filter membrane is acetate fiber filter membrane.
Wherein, the top of described top cover is provided with connection bump, and the central authorities of described connection bump offer through hole, and the described connection bump being positioned at the described top cover of the described filter membrane structure of top layer is connected with described sealed joint pipe.
Wherein, described filter membrane liner offers multiple Small Holes, and described filter membrane liner is the liner of polypropylene material.
Wherein, the capacity of described portable suction filtering tube is 70ml, and the bottom of described portable suction filtering tube is flat-bottom structure.
Wherein, the top of described portable suction filtering tube is provided with opening, and described opening is provided with gland bonnet.
Wherein, described sealed joint pipe and described suction filtration connecting pipe are the connecting pipe that internal diameter is 4mm, wall thickness is 3mm hard polypropylene is made.
Wherein, described sample cup, described sample feeding pipe, described multistage filter, described portable suction filtering tube and described sealed joint pipe, described suction filtration connecting pipe are the structure that hard polypropylene is made.
The beneficial effects of the utility model are:
Portable multistage suction filtration system of the present utility model, comprise the portable suction filtering tube of the enclosure-type that can be connected with Portable heavy metal analyser, the top of portable suction filtering tube is provided with injection port and suction filtration mouth, injection port is positioned at the below of suction filtration mouth, suction filtration mouth is connected with DC micro vacuum pump by suction filtration connecting pipe, injection port is connected with multistage filter by sealed joint pipe, and multistage filter is connected with sample feeding pipe, and sample feeding pipe is connected with sample cup, it provides power by DC micro vacuum pump, and after negative pressure that the inside of portable suction filtering tube is evacuated, from sample cup, primary sample is extracted by sample feeding pipe, primary sample enters after multistage filter carries out cascade filtration through sample feeding pipe, portable suction filtering tube is entered into through sealed joint pipe, until when the sample in portable suction filtering tube enough carries out next step chemical examination, DC micro vacuum pump just can quit work, and then complete suction filtration, portable suction filtering tube is taken off, its structure is simple, volume is little, field can be facilitated to carry and use, suction filtration speed is fast, and suction filtration process can be avoided to block, can support the use with Portable heavy metal analyser, the suction filtration of sewage sample and solid digestion solution in heavy metal process is detected in applicable field in real time.
Accompanying drawing explanation
Fig. 1 is the structural representation of Portable multistage suction filtration system of the present utility model.
Fig. 2 is the structural representation after Portable multistage suction filtration system in Fig. 1 is arranged on Portable heavy metal analyser casing.
Fig. 3 is the decomposition texture schematic diagram of the multistage filter in Fig. 1.
Fig. 4 is the structural representation of the filter membrane liner in Fig. 2.
In figure: 100-Portable multistage suction filtration system; 200-Portable heavy metal analyser; 300-suction filtering tube geometrical clamp;
1-sample cup; 2-sample feeding pipe; 3-multistage filter; The portable suction filtering tube of 4-; 5-DC micro vacuum pump; 6-sealed joint pipe; 7-suction filtration connecting pipe; 8-first filter membrane; 9-second filter membrane; 10-the 3rd filter membrane; 11-the 4th filter membrane; 12-the 5th filter membrane; 13-top cover; 14-filter membrane liner.
Embodiment
The technical solution of the utility model is further illustrated by embodiment below in conjunction with accompanying drawing.
As shown in Figures 1 to 4, a kind of Portable multistage suction filtration system 100, comprise the portable suction filtering tube 4 of the enclosure-type that can be connected with Portable heavy metal analyser 200, the top of portable suction filtering tube 4 is provided with injection port and suction filtration mouth, injection port is positioned at the below of suction filtration mouth, and suction filtration mouth is connected with DC micro vacuum pump 5 by suction filtration connecting pipe 7, and injection port is connected with multistage filter 3 by sealed joint pipe 6, multistage filter 3 is connected with sample feeding pipe 2, and sample feeding pipe 2 is connected with sample cup 1.It provides power by DC micro vacuum pump 5, by portable suction filtering tube 4, sealed joint pipe 7, suction filtration connecting pipe 6, multistage filter 3, the inside of system that sample feeding pipe 2 forms is evacuated after negative pressure, from the sample cup 1 collecting sewage to be measured or solid digestion solution, primary sample is extracted by sample feeding pipe 2, primary sample enters after multistage filter 3 carries out cascade filtration through sample feeding pipe 2, portable suction filtering tube 4 is entered into again through sealed joint pipe 6, until when the sample in portable suction filtering tube 4 enough carries out next step chemical examination, DC micro vacuum pump 5 just can quit work, and then complete suction filtration, portable suction filtering tube 4 is taken off, its structure is simple, volume is little, field can be facilitated to carry and use, suction filtration speed is fast, and suction filtration process can be avoided to block, can support the use with Portable heavy metal analyser 200, the suction filtration of sewage sample and solid digestion solution in heavy metal process is detected in applicable field in real time.
Preferably, multistage filter 3 comprises the multistage filter membrane structure stacked successively from top to bottom, filter membrane structure comprises the top cover 13 and filter membrane liner 14 that seal fastening from top to bottom, filter membrane is provided with between top cover 13 and filter membrane liner 14, wherein, the aperture being positioned at the filter membrane of the filter membrane structure on upper strata is less than the aperture of the filter membrane of the filter membrane structure being positioned at lower floor.Preferred further, in the present embodiment, multistage filter 3 comprises 5 grades of filter membrane structures, and wherein, the aperture of the filter membrane of 5 grades of filter membrane structures is followed successively by 0.45 μm, 0.8 μm, 3 μm, 10 μm, 25 μm.That is, filter membrane in filter membrane structure is from the bottom to top respectively the first filter membrane 8, aperture is 25 μm, second filter membrane 9, aperture is 10 μm, 3rd filter membrane 10, aperture is 3 μm, 4th filter membrane 11, aperture is 0.8 μm, 5th filter membrane 12, aperture is 0.45 μm, when filtering, sample through aperture is 25 μm successively, 10 μm, 3 μm, 0.8 μm, the filter membrane of 0.45 μm filters step by step, and utilize aperture to be that the filter membrane of 25 μm is for filtering a larger material thing, aperture is that the filter membrane of 10 μm is for filtering a smaller material thing, aperture is that the filter membrane of 3 μm is for filtering a smaller material thing, aperture is that the filter membrane of 0.8 μm is for filtering macromolecular substances, aperture is that the filter membrane of 0.45 μm is for filtering more tiny material thing or macromolecular substances, this just can be avoided the blockage problem caused when directly using the filter membrane of 0.45 μm to carry out suction filtration, also suction filtration quality and efficiency can be ensured further.
Preferably, filter membrane is acetate fiber filter membrane, these filter membranes all adopt the acetate fiber filter membrane without any heavy metal pollution of Millipore company, in the process of filtering, the entrance of sample feeding pipe 2 must be arranged in the liquid level of the sewage sample of sample cup 1 or the more clear rut in upper strata of solid digestion solution, helps avoid sample feeding pipe blocking like this.
Further, the diameter of multistage filter 3 is 54mm, and the diameter of filter membrane is 50mm, and its volume is little, is easy to carry.Further, after placing filter membrane between top cover 13 and filter membrane liner 14, ultrasound wave is utilized top cover 13 and filter membrane liner 14 to be tightly connected; The top of top cover 13 is provided with connection bump, and the central authorities of connection bump offer through hole, and the connection bump being positioned at the top cover 13 of the filter membrane structure of top layer is connected with sealed joint pipe 6.Again further, filter membrane liner 14 offers multiple Small Holes, and filter membrane liner 14 is the liner of polypropylene material, for supporting the negative pressure of filter membrane in suction filtration process, ensureing that filter membrane can effectively work, avoiding it impaired.
The capacity of portable suction filtering tube 4 is 70ml, and it can meet the demand of maximum sample amount required in Portable heavy metal analyser 200, to use with Portable heavy metal analyser 200 Rational Matching better; The bottom of portable suction filtering tube 4 is flat-bottom structure, thus can directly place in the plane, is not limited to and suction filtering tube geometrical clamp 300 must be used just can stably to place.The top of portable suction filtering tube 4 is provided with opening, and opening is provided with gland bonnet.After sample suction filtration is complete, turn on gland bonnet, pour out filtrate, for follow-up sample analysis, its structure is simple, easy to use.
The structure that the hard polypropylene that sample cup 1, sample feeding pipe 2, multistage filter 3, portable suction filtering tube 4 and sealed joint pipe 6, suction filtration connecting pipe 7 are ultralow content of beary metal is made.Further, sealed joint pipe 6 and the internal diameter of suction filtration connecting pipe 7 are 4mm, wall thickness is 3mm, and its size is little, and cost is low, is easy to carry or changes.
Portable multistage suction filtration system 100 of the present utility model, when supporting the use with Portable heavy metal analyser 200, by the annexation shown in Fig. 1, by sample feeding pipe 2, multistage filter 3, portable suction filtering tube 4 is connected with DC micro vacuum pump 5, press the annexation shown in Fig. 2 again, utilize in the casing of Portable heavy metal analyser 200 the suction filtering tube geometrical clamp 300 of the portable suction filtering tube 4 arranged, portable suction filtering tube 4 is fixed on the chest of Portable heavy metal analyser 200, facilitate the suction filtration of sample under field condition, toppling over of portable suction filtering tube 4 in suction filtration process can be avoided, the solids digestion solutions such as sewage to be measured or soil food are gathered with sample cup 1, stopple coupon 2 is placed in the liquid of the more clear rut of sewage or solid digestion solution upper strata, open minipump 5, make to form vacuum in multistage suction filtration system, fluid sample in stopple coupon 2 by multistage filter 3, flows in portable suction filtering tube 4, completes suction filtration process under the effect of negative pressure, the sample taking out suction filtration good is poured in the sample cup of Portable heavy metal analyser 200, for follow-up heavy metal analysis.
Suction filtering tube geometrical clamp used herein is arranged on the box inside of Portable heavy metal analyser, it comprises a column, this column is connected with the linking arm of horizontal positioned, the suspension end of linking arm is provided with adjustable clamping part, be exactly specifically utilize clamping part to clamp the portable suction filtering tube 4 of suction filtering tube, and then realize the fixing of portable suction filtering tube 4.This suction filtering tube geometrical clamp 300 is very small and exquisite, is easy to carry, and can meet the demand of field contaminant water, soil and food heavy metal Site Detection.
In the present embodiment, DC micro vacuum pump 5 adopts the rechargeable battery of 12V to power, also vehicle power can be adopted to power, the gas flow of suction filtration can reach 8L/min, Absolute truth reciprocal of duty cycle can reach 46kPa, can meet the requirement of Portable multistage suction filtration system 100 filter sewage sample or the soil after clearing up or food samples.
This Portable multistage suction filtration system 100, compared with traditional suction filtration method, has following advantage:
1, be easy to carry: traditional Suction filtration device one comprises vacuum pump and vacuum filtration bottle, both volumes are all larger, be inconvenient to carry, but this Portable multistage suction filtration system 100 small volume, lightweight, be convenient for carrying, suction filtration speed is fast, save manpower, suction filtration process is not easy blocking, be suitable for field and use.
2, suction filtration efficiency is high: traditional device that may be used for field suction filtration, under artificial effect, filtered by disposable aspiration needle filtrator (filter membrane of 0.45 μm), the method generally needs the sample of more than a 10 minutes ability suction filtrations 10mL, and be very easy to blocking, adopt this Portable multistage suction filtration system 100, the sample of a suction filtration 70mL, general only needs just can complete for 0.5 minute.
3, cost is low: compared with traditional Vacuum filtration device, and this system is by sample feeding pipe 2, multistage filter 3, portable suction filtering tube 4, and suction filtration connecting pipe 7 and sealed joint pipe 6 form, and cost is no more than 5 yuan; And the DC micro vacuum pump 5 of this system, price is very low, 120 yuan/platform, and carries chargeable battery, also can utilize vehicle-mounted Power supply.And traditional Vacuum filtration device is primarily of a vacuum pump (price is about: 500 yuan/platform) and one group of vacuum apparatus (price is about: 1000 yuan/group) composition, during suction filtration difference sample, each nitric acid dousing more than 12 hours all needed filtration unit employing 20%, the heavy metal pollution in original sample could be removed, just can avoid the cross pollution of different sample.And this Portable multistage suction filtration system 100 cost is lower than traditional Suction filtration device.
In sum, this Portable multistage suction filtration system 100 may be used for sewage sample and clears up the rapid filtration under suction of rear soil or food, support the use with Portable heavy metal analyser 200, the use field of this instrument of easily extensible, reduce the interference of macromolecular substances in heavy metal analysis process, increase the sensitivity of heavy metal analysis, accuracy and repeatability; Simple structure, small and exquisite, be easy to carry, suction filtration speed is fast, simple to operate, it is low to save manpower, cost, can be used as disposable product, the pollution of sample room can not be caused in use procedure, microminiature direct-current vacuum pump is adopted to provide power, suction filtration speed is fast, solve Portable heavy metal analyser 200 in the wild in Site Detection process, sewage water filtration, clear up after pedotheque and the rapid filtration under suction problem of food samples.
Below know-why of the present utility model is described in conjunction with specific embodiments.These describe just in order to explain principle of the present utility model, and can not be interpreted as the restriction to the utility model protection domain by any way.Based on explanation herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present utility model, and these modes all will fall within protection domain of the present utility model.
Claims (10)
1. a Portable multistage suction filtration system, it is characterized in that, comprise the portable suction filtering tube (4) of the enclosure-type that can be connected with Portable heavy metal analyser (200), the top of described portable suction filtering tube (4) is provided with injection port and suction filtration mouth, described injection port is positioned at the below of described suction filtration mouth, described suction filtration mouth is connected with DC micro vacuum pump (5) by suction filtration connecting pipe (7), described injection port is connected with multistage filter (3) by sealed joint pipe (6), described multistage filter (3) is connected with sample feeding pipe (2), described sample feeding pipe (2) is connected with sample cup (1).
2. Portable multistage suction filtration system according to claim 1, it is characterized in that, described multistage filter (3) comprises the multistage filter membrane structure stacked successively from top to bottom, described filter membrane structure comprises the top cover (13) and filter membrane liner (14) that seal fastening from top to bottom, filter membrane is provided with between described top cover (13) and described filter membrane liner (14), wherein, the aperture being positioned at the described filter membrane of the described filter membrane structure on upper strata is less than the aperture of the described filter membrane of the described filter membrane structure being positioned at lower floor.
3. Portable multistage suction filtration system according to claim 2, it is characterized in that, described multistage filter (3) comprises 5 grades of described filter membrane structures, and wherein, the aperture of the described filter membrane of 5 grades of described filter membrane structures is followed successively by 0.45 μm, 0.8 μm, 3 μm, 10 μm, 25 μm.
4. Portable multistage suction filtration system according to claim 2, is characterized in that, the diameter of described filter membrane is 50mm, and described filter membrane is acetate fiber filter membrane.
5. Portable multistage suction filtration system according to claim 2, it is characterized in that, the top of described top cover (13) is provided with connection bump, the central authorities of described connection bump offer through hole, and the described connection bump being positioned at the described top cover (13) of the described filter membrane structure of top layer is connected with described sealed joint pipe (6).
6. Portable multistage suction filtration system according to claim 2, is characterized in that, described filter membrane liner (14) offers multiple Small Holes, the liner that described filter membrane liner (14) is polypropylene material.
7. Portable multistage suction filtration system according to claim 1, is characterized in that, the capacity of described portable suction filtering tube (4) is 70ml, and the bottom of described portable suction filtering tube (4) is flat-bottom structure.
8. Portable multistage suction filtration system according to claim 1, is characterized in that, the top of described portable suction filtering tube (4) is provided with opening, and described opening is provided with gland bonnet.
9. Portable multistage suction filtration system according to claim 1, is characterized in that, described sealed joint pipe (6) and described suction filtration connecting pipe (7) are the connecting pipe that internal diameter is 4mm, wall thickness is 3mm hard polypropylene is made.
10. Portable multistage suction filtration system according to claim 1, it is characterized in that, described sample cup (1), described sample feeding pipe (2), described multistage filter (3), described portable suction filtering tube (4) and described sealed joint pipe (6), described suction filtration connecting pipe (7) are the structure that hard polypropylene is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528422.1U CN204085949U (en) | 2014-09-15 | 2014-09-15 | A kind of Portable multistage suction filtration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420528422.1U CN204085949U (en) | 2014-09-15 | 2014-09-15 | A kind of Portable multistage suction filtration system |
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| Publication Number | Publication Date |
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| CN204085949U true CN204085949U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420528422.1U Withdrawn - After Issue CN204085949U (en) | 2014-09-15 | 2014-09-15 | A kind of Portable multistage suction filtration system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266866A (en) * | 2014-09-15 | 2015-01-07 | 孚派特环境科技（苏州）有限公司 | Portable multistage suction filtration system |
-
2014
- 2014-09-15 CN CN201420528422.1U patent/CN204085949U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104266866A (en) * | 2014-09-15 | 2015-01-07 | 孚派特环境科技（苏州）有限公司 | Portable multistage suction filtration system |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150107 Effective date of abandoning: 20170811 |
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| AV01 | Patent right actively abandoned |