CN208526015U - The portable nutsch filter of multistage filtering with sealed compartment - Google Patents
The portable nutsch filter of multistage filtering with sealed compartment Download PDFInfo
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- CN208526015U CN208526015U CN201820773677.2U CN201820773677U CN208526015U CN 208526015 U CN208526015 U CN 208526015U CN 201820773677 U CN201820773677 U CN 201820773677U CN 208526015 U CN208526015 U CN 208526015U
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Abstract
The utility model provides a kind of portable nutsch filter of multistage filtering with sealed compartment, for being collected in sample in a manner of filtering in the liquid-collecting bottle of user, it is characterised in that: including filter element, liquid collecting unit and filters power unit；Wherein, the filter element includes at least two layers filter layer set gradually；The liquid collecting unit includes sealed compartment；Liquid collecting region is equipped in the sealed compartment, what the liquid-collecting bottle of user can substitute is set in sealed compartment；The outlet end of the filter layer last layer extends into liquid collecting region, conveys filtrate into the liquid-collecting bottle of user；The suction filtration power unit includes filtering power device, is connected to sealed compartment, the air in it is discharged.The pumping and filtering device can be dismantled simply, effectively avoid dirt from blocking up, applicable various sample bottles.
Description
Technical field
The utility model relates to instrument analytical equipment field, in particular to the portable pumping of a kind of multistage filtering with sealed compartment
Filter.
Background technique
Nutsch filter is widely used in chemical analysis and experimental field, is generally used as, to containing solid-state, colloidal state etc.
Non- pure liquid mixing sample carries out the function of the filtering removal or collection of impurity composition.
In existing technology, as: a kind of portable nutsch filter disclosed in Chinese patent 2017210912309 exists at present
It is widely applied in the spot sampling work of environmental monitoring, there is force-fitting " national surface water environment quality monitoring net
Monitor Mission Operations guiding book " in for filtration in-situ related requirement landing implement.However, in actual application,
Front man also proposed following feedback suggestion:
1. it is idle to buy original a large amount of sampling bottles before portable nutsch filter, it is not available, causes a large amount of resource
Waste.Although the matched liquid-collecting bottle of existing nutsch filter, can by as sampling bottle come using, it is operating in this way as a result,
On the one hand the loss of equipment can be increased, testing cost is improved due to the environmental uncertainty in sampling process.On the other hand by
It is high based on the leakproofness to liquid-collecting bottle in existing apparatus, resistance to negative pressure, and chemical property is needed to meet and be required in this way, causes to give birth to
It produces and uses that cost has risen considerably, be not easy to be received by consuming public, limit the promotion efficiency of the product.
2. moreover, after the completion of suction filtration, original sampling bottle need to be transferred the sample into from liquid-collecting bottle according to there is existing equipment
In, it is not only cumbersome, need ceaselessly to clean liquid-collecting bottle, and transfer repeatedly, one side sample is easy contaminated, another party
Face can not be intact guarantee sample the primary datas such as acquisition environment.
3. causing to filter overlong time, needing frequently more in addition, suspended matter is easy blocking filter membrane to some very dirty water samples
The problems such as changing the case where filter paper etc. filters terminal, thus inevitably working efficiency being caused to substantially reduce.
Therefore, market pole need it is a kind of be not easy it is dirty stifled, can be widely suitable for it is various accommodating equipment, it is convenient for disassembly and assembly just
Take formula nutsch filter.
Utility model content
The utility model is intended to overcome drawbacks described above, and providing one kind can effectively avoid dirt from blocking up, applicable various samples
Bottle, dismantle simple pumping and filtering device.
The portable nutsch filter of a kind of multistage filtering with sealed compartment provided by the utility model, for filter sample
Mode is collected in the liquid-collecting bottle of user, it is characterised in that: including filter element, liquid collecting unit and filters power unit；
Wherein, above-mentioned filter element includes at least two layers filter layer set gradually；For realizing shallow filtering (bulky grain or
Gel-like foreign matters) and the deep gradual filtering for filtering (suspended impurities such as little particle), so as to avoid dirt by the method for layering
Stifled problem.
Above-mentioned liquid collecting unit includes sealed compartment；
Liquid collecting region is equipped in above-mentioned sealed compartment, what the liquid-collecting bottle of user can substitute is set in sealed compartment；I.e., on the one hand
For liquid-collecting bottle can arbitrarily be replaced according to the size of sealed compartment, on the other hand, for the detection limit of different detection users
Demand, the size of the sealed compartment can also carry out the customized design of size.
The outlet end of above-mentioned filter layer last layer extends into liquid collecting region, conveys filtrate into the liquid-collecting bottle of user；
Above-mentioned suction filtration power unit includes filtering power device, is connected to sealed compartment, the air in it is discharged.The suction filtration is dynamic
Power device, which is generally, is filtered by vacuum the equipment that pump etc. can extract air.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., between each above-mentioned filter layer being detachable and splicing structure；I.e., each filter layer is stepped construction, each mistake
The upper edge of filtering layer and lower edge be all respectively equipped with the lower edge of another filter layer or on along matched structure, so as to according to mistake
The needs of filter carry out the setting of the different filtering numbers of plies and pore size filter etc. (such as: more complicated for turbidity and mixtures of impurities
Sample, can be used 3 layers or more of structure, and every layer has different filtering partial size and filtering function), it, can when after the installation is completed
Realize firm structure.
The pore size filter of above-mentioned filter layer, gradually becomes smaller from top to bottom.
Such as: above-mentioned filter element is made of the grade one filter, secondary filter and terminal filter set gradually；
Wherein, above-mentioned grade one filter and secondary filter are sand coarse aggregate ratio structure；
The filter opening of above-mentioned grade one filter is greater than the filter opening of secondary filter；
Above-mentioned end filter is the filter structure for being lined with filter paper.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., the outlet end of above-mentioned filter layer last layer be equipped with infusion channel；
Above-mentioned infusion channel is telescopic structure.
Such as: rubber tube, casing, straight tube.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned exhaust tube be adjustable in length structure or flexible structure.The setting position of the exhaust tube and infusion are logical
Road is separate, avoids the case where taking filtrate away.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: limit Anti-falling structure, the movement of the liquid-collecting bottle for limiting user i.e., in above-mentioned liquid collecting region are equipped with.
The limit Anti-falling structure can be to be set to sealed compartment bottom, the adjustable clamping mechanism of width.Or
It is set to inside sealed compartment, the limit film of more than one pair of resilientiy stretchable.When the liquid-collecting bottle of user is installed in sealed compartment
It after interior, can be fixed, will not be occurred due to shaking, twitching under power or operating environment by above-mentioned limit Anti-falling structure
Bottle body it is unstable.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned sealed compartment be equipped with open-and-close mechanism.The open-and-close mechanism can make sealed compartment be opened, to realize collection
The replacement of liquid bottle, meanwhile, which should have Packed effect.
Such as: the sealed compartment opens and closes position and the junction of open-and-close mechanism and is equipped with sealing strip or sealing structure form.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned sealed compartment be equipped with liquid pipe hole and tracheal orifice；
Above-mentioned liquid pipe hole corresponds to the outlet end of filter layer last layer；
Above-mentioned tracheal orifice connection filters the exhaust tube of power device.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned sealed compartment be equipped with observation ward；The observation ward is generally transparent material and is arranged.
Above-mentioned observation ward's face liquid collecting region, for observing the filtering situation in liquid collecting region；
Or
Above-mentioned sealed compartment or liquid collecting region are equipped with level sensor, the spill-over degree of the liquid-collecting bottle for incuding user；
When liquid is more than limit threshold values, caution device is lighted.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned suction filtration power unit further include air pressure balance component；
Above-mentioned air pressure balance component is for regulating and controlling the air pressure in nutsch filter system.Such as: in the case where filtering working condition, keeping close
Envelope, by the opening in the joints such as relief valve, makes whole system environmental pressure be connected to level with atmospheric pressure after completing to filter work
Afterwards, the replacement of liquid-collecting bottle and the recombination of pumping and filtering device or replacement are able to carry out.
Further, the portable nutsch filter of the multistage filtering provided by the utility model with sealed compartment also has such
Design feature: i.e., above-mentioned sealed compartment be additionally provided with bumper guard on the channel that is connected to of power unit with filtering.
I.e., after avoiding extra smoke filtrate from being drawn into power-equipment, lead to the corrupted of power-equipment.
The action and effect of the utility model:
The utility model passes through the design of liquid collecting sealed compartment, the sampling of the compatible current existing various volume models of user
Bottle, efficiently solves the problems, such as waste and liquid branch problem.
The utility model also passes through the design of multistage filtering head, efficiently solves the problems, such as slow compared with the rate of filtration of dirty water body.
The utility model also passes through modularized design, and user can realize the mistake of different level according to independent assortment filtering head
Filter requires.
Detailed description of the invention
The structural schematic diagram of the portable nutsch filter for the multistage filtering with sealed compartment that attached drawing 1, the present embodiment are related to；
The structural schematic diagram of the filtering head of the portable nutsch filter for the multistage filtering with sealed compartment that attached drawing 2, embodiment are related to；
The structural representation of the open-and-close mechanism of the portable nutsch filter for the multistage filtering with sealed compartment that attached drawing 3, embodiment are related to
Figure；
The structural schematic diagram of the sealed compartment of the portable nutsch filter for the multistage filtering with sealed compartment that attached drawing 4, variation are related to.
Specific embodiment
As shown in Figure 1, present embodiments providing a kind of portable nutsch filter of multistage filtering with sealed compartment, it is used for sample
It is collected in a manner of suction filtration in the liquid-collecting bottle of user, by filter element, liquid collecting unit, buffer protection unit and filters power list
Member composition；
Wherein, which is made of multistage pre-filter layer and work filter layer；
The multistage pre-filter layer is set to the top of work filter layer, and specific structure is as shown in Fig. 2, the multistage pre-filtering
Layer is made of first level filtering device and two-stage filter in the present embodiment, the frame of the first level filtering device and secondary filtration dress
Body structure is identical, is top for open type structure, bottom is in the structure of convex and frame body surface, is set in the plane of the convex
There is filtering material, such as: the filter hole of different pore size, sand filtration surface, algae filter surface, may be used also on above-mentioned various filtering surfaces
To be equipped with external equipment (such as: the various bed courses of filter paper, cotton, active carbon), during installation, by the convex of each filter device
The portion of rising and the opening portion of another filter device, which are spliced, installs, to realize the configuration of nested type up and down.
Its bottom is work filter layer, and the bottom surface of the work filter layer may be filter hole, sand filtration surface, algae filter table
The surface in face etc. can also be equipped with the various bed courses such as filter paper, filter membrane, cotton, active carbon on above-mentioned various filtering surfaces.
In the present embodiment, its aperture (or liquid throughput) of the filtering material of by-pass filtration equipment is set greater than secondary filtration
Standby filtering material；Its aperture (or liquid throughput) of the filtering material of secondary filtration equipment is greater than the bottom plate mistake of work filter layer
Filter portion.
To be able to achieve the effect of classification multisection type filtering, during the filtration process, bulky grain and colloid can be in level-one mistakes
80% or more is filtered out in filter device, is filtered out completely thereafter by two-stage filter, when sample reaches work filter layer,
Interior suspended particulate can be filtered by simple filter paper and be able to achieve simple filtration result.
By way of the classified filtering, it effectively can avoid filtering with long-acting, measure in big sample, occur
The case where the problems such as dirt is stifled.
As shown in Figure 1, the liquid collecting unit is liquid collecting sealed compartment, it is equipped with liquid collecting region in the sealed compartment, user's liquid-collecting bottle can
What is substituted is set in the liquid collecting region.The specific structure is shown in FIG. 3 for it, which is body structure, there is seal box
It is formed with sealing cover (sealing mechanism)；The sealing cover is mounted at the top of seal case, in order to realize that the liquid collecting is close
The leakproofness of batten down, the edge of the sealing cover are also provided with the sealing structures such as elastic sealing strip.
The sealing cover is equipped with feed liquor/port and bleeding point；
Feed liquor/the port is equipped with the tube body protruded into liquid-collecting bottle；
As shown in Figure 1, feed liquor/the port is connected by pipeline with the outlet end of work filter layer, to will filter out
Filtrate flows into liquid-collecting bottle.
The buffer protection unit, which is set to, to be filtered between power unit and liquid collecting unit, is the form of surge flask.For keeping away
Exempt from steam to enter in suction filtration power device.
The suction filtration power unit is made of suction filtration power device (pump), air pressure display device, air-pressure balancing device.
It is set on the surge flask there are two gas-liquid inlet and outlet, a gas-liquid inlet and outlet are connected with bleeding point, another gas-liquid
Inlet and outlet are connected to power device is filtered, and after starting filters power device, can be extracted the air in sealed compartment out.
The air pressure display device, which is installed on, to be filtered on power device or its connecting pipeline with surge flask, current for showing
The atmospheric pressure value of system.
The air-pressure balancing device, which is installed on, to be filtered on power device or surge flask, the gas balance shape for regulation system
State, when the internal pressure and the consistent result of atmospheric pressure without when filtering, realizing whole system by opening the device.
As shown in figure 4, during in order to improve suction filtration, the stability of sample bottle is additionally provided with a pair of of spring in sealed compartment
Limit film, the spring retainer piece can be by elastic reactions, by the clamping of different size of liquid-collecting bottle and therebetween, to realize liquid-collecting bottle
Stability in operation.
Claims (10)
1. the portable nutsch filter of the multistage filtering with sealed compartment, for sample to be collected in the liquid-collecting bottle of user in a manner of filtering
It is interior, it is characterised in that: including filter element, liquid collecting unit and to filter power unit；
Wherein, the filter element includes at least two layers filter layer set gradually；
The liquid collecting unit includes sealed compartment；
Liquid collecting region is equipped in the sealed compartment, what the liquid-collecting bottle of user can substitute is set in sealed compartment；
The outlet end of the filter layer last layer extends into liquid collecting region, conveys filtrate into the liquid-collecting bottle of user；
The suction filtration power unit includes filtering power device, is connected to sealed compartment, the air in it is discharged.
2. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
It is detachable and splicing structure between each filter layer；
The pore size filter of the filter layer, gradually becomes smaller from top to bottom.
3. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
The outlet end of the filter layer last layer is equipped with infusion channel；
The infusion channel is telescopic structure.
4. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
Limit Anti-falling structure, the movement of the liquid-collecting bottle for limiting user are equipped in the liquid collecting region.
5. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
The sealed compartment is equipped with open-and-close mechanism.
6. the portable nutsch filter of the multistage filtering with sealed compartment as claimed in claim 5, it is characterised in that:
The sealed compartment is equipped with liquid pipe hole and tracheal orifice；
The liquid pipe hole corresponds to the outlet end of filter layer last layer；
The tracheal orifice connection filters the exhaust tube of power device.
7. the portable nutsch filter of the multistage filtering with sealed compartment as claimed in claim 6, it is characterised in that:
The exhaust tube is the structure or flexible structure of adjustable in length.
8. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
The sealed compartment is equipped with observation ward；
Observation ward's face liquid collecting region, for observing the filtering situation in liquid collecting region；
Or
The sealed compartment or liquid collecting region are equipped with level sensor, the spill-over degree of the liquid-collecting bottle for incuding user；
When liquid is more than limit threshold values, caution device is lighted.
9. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1, it is characterised in that:
The suction filtration power unit further includes air pressure balance component；
The air pressure balance component is for regulating and controlling the air pressure in nutsch filter system.
10. the portable nutsch filter of the multistage filtering with sealed compartment as described in claim 1-9 is any, it is characterised in that:
Bumper guard is additionally provided on the channel that the sealed compartment is connected to suction filtration power unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773677.2U CN208526015U (en) | 2018-05-23 | 2018-05-23 | The portable nutsch filter of multistage filtering with sealed compartment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820773677.2U CN208526015U (en) | 2018-05-23 | 2018-05-23 | The portable nutsch filter of multistage filtering with sealed compartment |
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| Publication Number | Publication Date |
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| CN208526015U true CN208526015U (en) | 2019-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820773677.2U Active CN208526015U (en) | 2018-05-23 | 2018-05-23 | The portable nutsch filter of multistage filtering with sealed compartment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
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2018
- 2018-05-23 CN CN201820773677.2U patent/CN208526015U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108744693A (en) * | 2018-05-23 | 2018-11-06 | 上海北裕分析仪器股份有限公司 | The portable nutsch filter of multistage filtering with sealed compartment |
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