CN201046357Y - A vacuum suction device - Google Patents
A vacuum suction device Download PDFInfo
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- CN201046357Y CN201046357Y CNU2007200692493U CN200720069249U CN201046357Y CN 201046357 Y CN201046357 Y CN 201046357Y CN U2007200692493 U CNU2007200692493 U CN U2007200692493U CN 200720069249 U CN200720069249 U CN 200720069249U CN 201046357 Y CN201046357 Y CN 201046357Y
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Abstract
The utility model discloses a vacuum pumping filtration device, comprising a hopper 1, a pumping filtration flask and a piece of filter paper, which is characterized in that: a porous draining device 11 is arranged in the hopper, the filter paper is paved on the porous draining device, making the area of the filter much larger, and the swab pressure is uniformly distributed on the filtering area. The pumping filtration flask comprises a bell-type tube 21 and a bottom plate 22; the bell-type tube 21 is sealing connected with the bottom plate 22. A flow controlling valve 23 is arranged on the bell-type tube 21. By rotating the piston of the flow regulating valve 23, the vacuum degree of the bell-type tube 21 can be regulated, and the velocity of the filtrate flow can be controlled, and the acquisition of the filtrate can be quantified. With the utility model, the one time separation of the solid-liquid phase, and the synchronous acquisition and measurement can be realized. The utility model has the advantages of less fittings, low manufacturing cost, simple operation procedures, high work efficiency, and extensive application in various analyzed technical fields, such as chemical engineering, metallurgy, architecture, medication, biology, environment and geology.
Description
Technical field
The utility model relates to chemical industry, metallurgy, building, medicine, biology, environment, geology etc. and analyzes method and the device that the realization solid-liquid separates mutually fast in the technical field, relates in particular to a kind of suction surface suction filtration technology of using and realizes the device that solid-liquid is collected mutually entirely.
Background technology
Often there is multiple important solidliquid mixture in the industry, as various waste water, plating bath, lysate, mud, sediment liquid etc., after needing solid-state to it respectively, liquid state to separate mutually, dissolving liquid measure and composition thereof to its residue and extraction carries out assay determination respectively, realizes industrial quality control.
The vacuum filtration method is a fast method of realizing that Solid-Liquid Separation is commonly used.It is slow to have overcome normal pressure filtration method separating rate, the shortcoming that fractional dose is little.Not only separating rate is fast for it, the separative efficiency height, and cooperate the solids that the filter membrane in different apertures can the separation different size particle.General vacuum chamber and filtrate adaptor are an integral body, i.e. bottle,suction.For steady air flow, the bottle,suction volume is bigger, with the supporting use of filter, is not suitable in trace or the accurate measurement collection, transposition to small size filtrate.Analytic sample more for a long time, each sample all need dispose a cover suction filtration device, and frequent clean changes, and operates very loaded down with trivial details.
Domestic patent CN85200281 (open) has reported a kind of novel multi-use suction filtration device of making of glass (as shown in Figure 1), by bottle,suction 1, little triangular flask 5, funnel 6 and standby funnel 11 are formed, it is characterized in that bottle,suction is made up of a bottle 2 and bottle seat 3 two parts, the upside of bottle head has a suction filtration mouth 4, and the bottle head is connected by the frosted interface with the bottle seat.This patent is for placing the triangular flask of accepting filtrate in cavity, bottle seat design cavity and bottom surface are bigger, and the frosted interface joint face between bottle head and bottle seat is also very big, and manufacture difficulty is higher, and is also inconvenient in the use.Funnel is flat, and a hole leakage is arranged, and covers filter paper above, and during vacuum filtration, the hole ambient pressure is very big, and filter paper can be out of shape and very easily wear filter.
Domestic patent CN91226168.4 has also reported a kind of novel filtration and suction filtration device, it is characterized in that: on funnel and bottle,suction, increase the water filling interlayer, its width is 2～10mm, wall thickness 1～3mm, and inwall is thinner than outer wall, funnel and bottle,suction can be made into the model that all size differs, and materials such as their useful ceramics, glass, polytetrafluoroethylplastic plastic are made.This device is mainly used in the synthetic recrystallization process of semimicro, utilizes interlayer to inject the product that cold water can make crystallization at low temperatures and can dissolve under higher temperature and avoids loss.This patent and the application's application is uncorrelated substantially.
Summary of the invention
The technical problems to be solved in the utility model provides a kind of vacuum filtration device, by realize to the solid-liquid phase first separation, gather synchronously and measure, reach the operating procedure of simplifying filtration work, the good result of increasing work efficiency.
The technical scheme that the utility model solves the problems of the technologies described above is: a kind of split type vacuum filtration device, it mainly comprises funnel, bell-type nutsch filter and filter paper or filter membrane.Be provided with a porous flow diverter in funnel, filter paper is tiled on this porous flow diverter, and filter area is increased, and swabbing pressure is evenly distributed on the filtering surface, wears filter thereby volume is filtered in increase, raise the efficiency, make the liquid levelling surely, can not produce.And filtered filtration residue can be collected on filter membrane or filter paper fully, is used for subsequent measurements.
Preferably, described porous flow diverter can adopt core or porous filter screen.
Preferably, described bottle,suction comprises a bell-type tube and a base plate, and the bell-type tube is up-small and down-big conical tube or bell-jar, and this shape can make the enough negative pressure of formation in the chamber, keeps vacuum state good.Except that being provided with pump orifice, also be provided with flow control valve on the bell-type tube, described flow control valve is the piston type flow control valve, by the piston of rotation flow control valve, can regulate the level of vacuum in the bell-type tube chamber, the flow velocity of control filtrate, quantitative collection filtrate.The bell-type tube contacts with filter by a small-bore ground, it highly can be according to the needs adjustment of containing liquid device height, accept as the long-neck measuring device that can directly adopt the band scale,, when the quantitative analysis of filtrate, can save the operation that branch is got transposition as volumetric flask in inside.The bell-type tube bottom is widened texturing, is tightly connected with base plate, and base plate can adopt texturing glass or thicker rubber blanket, and liquid collecting cup lies against on the backing plate.When vacuumizing, tube forms negative pressure in the chamber, and filtrate is collected in the liquid collecting cup.
This backing plate also can be integrated on the experiment table top.
Preferably, also be placed with a liquid feeding bucket above the described funnel.
Preferably, described funnel afterbody also is provided with elbow mozzle or oblique syringe needle mozzle.Elbow mozzle or oblique syringe needle mozzle can be connected with the flow diverter afterbody by ground.In the elbow mozzle, can form one section fluid-tight, eliminate the bubble that produces when filtering, stablize flow velocity by the elbow water conservancy diversion.By oblique syringe needle mozzle water conservancy diversion, cooperate flow control valve, be convenient to contact with the bearing container wall, can realize dropwise liquid collecting, thereby improve the precision of quantitative collection.
The utility model compared with prior art has following beneficial effect:
1. use this device can realize to the solid-liquid phase first separation, gather synchronously and measure, carry out filter operation after, the filter residue uniform plane of acquisition is disperseed, and can directly carry out physical observation and chemical measurements such as pattern, granularity, composition; Filtrate also can be according to application need quantitatively or the full dose collection, is applicable in trace or the accurate measurement collection to small size filtrate.
2. this device has wide range of applications, and can be used for various analysis technical field such as chemical industry, metallurgy, building, medicine, biology, environment, geology, and its accessory is less, processing easily, and operating procedure is simple, suction filtration is effective.
Description of drawings
Fig. 1 is a kind of novel multi-use suction filtration device schematic diagram of making of glass in the prior art.
Fig. 2 is the schematic diagram of funnel in a kind of vacuum filtration device of the utility model.
Fig. 3 is the schematic diagram of liquid feeding bucket in a kind of vacuum filtration device of the utility model.
Fig. 4 is an elbow mozzle schematic diagram in a kind of vacuum filtration device of the utility model.
Fig. 5 is an oblique syringe needle mozzle schematic diagram in a kind of vacuum filtration device of the utility model.
Fig. 6 is the schematic diagram of nutsch filter in a kind of vacuum filtration device of the utility model.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is specified.
The thing of embodiment 1 solution suspension is observed mutually and is analyzed
As shown in Figure 2, a kind of vacuum filtration device comprises funnel 1, bottle,suction and filter paper.Be provided with a core 11 in funnel 1, filter paper is tiled on this core 11, and filter area is increased, and swabbing pressure is evenly distributed on the filtering surface, wears filter thereby volume is filtered in increase, raise the efficiency and can make the liquid levelling surely, can not produce.Filtered filtration residue can be collected on filter membrane or filter paper fully, is used for subsequent measurements.
As shown in Figure 6, bottle,suction comprises a bell-type tube 21 and a base plate 22, and bell-type tube 21 is up-small and down-big conical tube, and this shape can make the enough negative pressure of formation in the chamber, keeps vacuum state good.
Except that being provided with pump orifice, also be provided with flow control valve 23 on the bell-type tube 21, described flow control valve is the piston type flow control valve, piston by the rotation flow control valve, can regulate the level of vacuum in the bell-type tube chamber, the flow velocity of control filtrate, quantitative collection filtrate.Bell-type tube 21 contacts with filter by a small-bore ground, it highly can be according to the needs adjustment of containing liquid device height, accept as the long-neck measuring device that can directly adopt the band scale,, when the quantitative analysis of filtrate, can save the operation that branch is got transposition as volumetric flask in inside.Texturing is widened in bell-type tube 21 bottoms, is tightly connected with base plate 22, and base plate can adopt texturing glass or thicker rubber blanket, and liquid collecting cup lies against on the backing plate.When vacuumizing, form negative pressure in the bell-type tube chamber, filtrate is collected in the liquid collecting cup.This base plate also can be integrated on the experiment table top.
As Fig. 3, Fig. 4 and shown in Figure 5, also be placed with a liquid feeding bucket 12 above the described funnel, the funnel afterbody also is provided with elbow mozzle 13 or oblique syringe needle mozzle 14.Elbow mozzle 13 or oblique syringe needle mozzle 14 can be connected with the flow diverter afterbody by ground.In the elbow mozzle, can form one section fluid-tight, eliminate the bubble that produces when filtering, stablize flow velocity by the elbow water conservancy diversion.By oblique syringe needle mozzle water conservancy diversion, cooperate flow control valve, be convenient to contact with the bearing container wall, can realize dropwise liquid collecting, thereby improve the precision of quantitative collection.
The thing of embodiment 1 solution suspension is observed mutually and is analyzed
The concrete operation method that uses this device to filter is: with tweezers gripping miillpore filter or filter paper, be tiled on the filter, connect this filter, vacuum draw is transferred to solution and suspension in the filter.Collect filter residue, dry back is observed down at metallographic microscope or ESEM (SEM).
Adopt this method to gather to the solid phase in the various suspension (deposit fluid, environmental water sample, product made from steel are mingled with electroextraction liquid, ink, seawater, plating bath, passivating solution, emulsion paint etc.), can directly extract suspension, and disperse uniformly in the plane to distribute, be convenient to carry out the observation of thing phase.Utilize point type to filter, filter residue disperses inhomogeneous on filter paper, can not carry out the observation on plane, and our rule has overcome this defective, and filter residue is uniformly dispersed, and can directly examine under a microscope.
Water soluble chloride Determination on content in embodiment 2 iron ores
As shown in Figure 2, a kind of vacuum filtration device comprises funnel 1, bottle,suction 2 and filter paper 3.Be provided with a core 11 in funnel 1, filter paper is tiled on this core 11, and filter area is increased, and swabbing pressure is evenly distributed on the filtering surface, wears filter thereby volume is filtered in increase, raise the efficiency, make the liquid levelling surely, can not produce.And filtered filtration residue can be collected on filter membrane or filter paper fully, is used for subsequent measurements.
As shown in Figure 6, described bottle,suction comprises a bell-type tube 21 and a base plate 22, and bell-type tube 21 is up-small and down-big conical tube, and this shape can make the enough negative pressure of formation in the chamber, keeps vacuum state good.Except that being provided with pump orifice, also be provided with flow control valve 23 on the bell-type tube 21, described flow control valve is the piston type flow control valve, piston by the rotation flow control valve, can regulate the level of vacuum in the bell-type tube chamber, the flow velocity of control filtrate, quantitative collection filtrate.Bell-type tube 21 contacts with filter by a small-bore ground, it highly can be according to the needs adjustment of containing liquid device height, accept as the long-neck measuring device that can directly adopt the band scale,, when the quantitative analysis of filtrate, can save the operation that branch is got transposition as volumetric flask in inside.Texturing is widened in bell-type tube 21 bottoms, is tightly connected with base plate 22, and base plate can adopt texturing glass or thicker rubber blanket, and liquid collecting cup lies against on the backing plate.When vacuumizing, form negative pressure in the chamber, filtrate is collected in the liquid collecting cup.This backing plate also can be integrated on the experiment table top.
As Fig. 3, Fig. 4 and shown in Figure 5, also be placed with a liquid feeding bucket 12 above the described funnel, the funnel afterbody also is provided with elbow mozzle 13 or oblique syringe needle mozzle 14.Elbow mozzle 13 or oblique syringe needle mozzle 14 can be connected with the flow diverter afterbody by ground.In the elbow mozzle, can form one section fluid-tight, eliminate the bubble that produces when filtering, stablize flow velocity by the elbow water conservancy diversion.By oblique syringe needle mozzle water conservancy diversion, cooperate flow control valve, be convenient to contact with the bearing container wall, can realize dropwise liquid collecting, thereby improve the precision of quantitative collection.
The water soluble chloride Determination on content according to the filter operation that requires among the international standard ISO9517:1989 is in the iron ore: get dry, 250ml filtering flask and load onto microfiltration apparatus, with the tweezers gripping and spread the miillpore filter of appointment.As far as possible complete soln and suspension are all transferred in the filter, done and filter.Divide and to get 45ml (20+25ml) filtrate and go in the 100ml beaker in tall form, add buffer solution of potassium phosphate, be placed on the electric hot plate of preheating and heat 30min.The flowing water cooling moves in the 50ml volumetric flask of cleaning.
Be to measure the chlorine (0.001%) of utmost point low content, must adopt maximum sample weighting amount and the maximum amount of getting of dividing, be from the 50ml mixed liquor branch obtain 45ml filtrate and be used for subsequent measurements.Because residue is more, except that the quantity of slag, the solution of remaining not enough 50ml should be used for pipette and clean (consuming 10ml at least), can not exhaust at least about the residual liquid of 3ml in addition at the bottom of the 250ml filtering flask simultaneously, divide at most only to get and to obtain 35ml filtrate, the 45ml amount of filtrate that requires in clearly can not the realization standard directly has influence on the sensitivity and the precision of analysis.
Use this device to filter, improved method of operating is: change liquid collecting cup into the 50ml graded tube, put into the suction filtration cover.Connect filter, load onto filter membrane, the leaching liquid of iron ore sample is directly transferred in the suction filtration device, suction is directly collected filtrate to branch the get amount of 45ml scale with regard to obtaining requiring, and need not branch and gets and wash; Change dry filter, filter membrane and collector tube, can directly continue the separation of next sample, need not to change and dry package unit, very easy when measuring in batches,, the operating time is saved more than 2/3.Satisfied standard-required simultaneously.
Sedimental continuous analysis in the embodiment 3 tin plating technique grooves
As shown in Figure 2, a kind of vacuum filtration device comprises funnel 1, bottle,suction 2 and filter paper 3.Be provided with a core 11 in funnel 1, filter paper is tiled on this core 11, and filter area is increased, and swabbing pressure is evenly distributed on the filtering surface, wears filter thereby volume is filtered in increase, raise the efficiency, make the liquid levelling surely, can not produce.And filtered filtration residue can be collected on filter membrane or filter paper fully, is used for subsequent measurements.
As shown in Figure 6, described bottle,suction comprises a bell-type tube 21 and a base plate 22, and bell-type tube 21 is up-small and down-big conical tube, and this shape can make the enough negative pressure of formation in the chamber, keeps vacuum state good.Except that being provided with pump orifice, also be provided with flow control valve 23 on the bell-type tube 21, described flow control valve is the piston type flow control valve, piston by the rotation flow control valve, can regulate the level of vacuum in the bell-type tube chamber, the flow velocity of control filtrate, quantitative collection filtrate.Bell-type tube 21 contacts with filter by a small-bore ground, it highly can be according to the needs adjustment of containing liquid device height, accept as the long-neck measuring device that can directly adopt the band scale,, when the quantitative analysis of filtrate, can save the operation that branch is got transposition as volumetric flask in inside.Texturing is widened in bell-type tube 21 bottoms, is tightly connected with base plate 22, and base plate can adopt texturing glass or thicker rubber blanket, and liquid collecting cup lies against on the backing plate.When vacuumizing, form negative pressure in the chamber, filtrate is collected in the liquid collecting cup.This backing plate also can be integrated on the experiment table top.
As Fig. 3, Fig. 4 and shown in Figure 5, also be placed with a liquid feeding bucket 12 above the described funnel, the funnel afterbody also is provided with elbow mozzle 13 or oblique syringe needle mozzle 14.Elbow mozzle 13 or oblique syringe needle mozzle 14 can be connected with the flow diverter afterbody by ground.In the elbow mozzle, can form one section fluid-tight, eliminate the bubble that produces when filtering, stablize flow velocity by the elbow water conservancy diversion.By oblique syringe needle mozzle water conservancy diversion, cooperate flow control valve, be convenient to contact with the bearing container wall, can realize dropwise liquid collecting, thereby improve the precision of quantitative collection.
The concrete operation method that uses this device to filter is: shake up plating bath, measure the 200ml plating bath with measuring cup.Under 100 ℃ of temperature, be dried to constant weight after getting a folded filter paper, weigh, be designated as m0.Dry filter paper is converted into dixie cup, and bottom and funnel 1 diameter are onesize, the edge touch liquid feeding bucket 12 inwalls, add the wetting filter paper of low amounts of water, make it and the 12 inwall driving fits of liquid feeding bucket.Liquid feeding bucket 12 is docked with filter, place a clean dried volumetric flask (100ml) in the bell-type tube 21, bell-type tube 21 is close to base plate 22.Connect the suction filtration water pipe, the tap of fetching boiling water is pressed in palm on the liquid feeding bucket 12, checks whether to form negative pressure.
The plating bath of measuring is changed in the off-the-shelf suction filtration device, sediment all is transferred on the filter paper, vacuum draw when filtrate is collected the 100ml scale, is closed flow control valve 23, stops to filter.Take out volumetric flask.
Put into the waste liquid cup in bell-type tube 21, open flow control valve 23, continue to blot filter residue, drip 2 methyl orange solutions on sediment, water will precipitate to be cleaned to redfree.Wash filter residue with water for several times, discard filtrate and washing lotion.Stop suction, the filter residue after carefully will filtering takes off together with filter paper, is placed in the former measuring cup, is dried to constant weight under 100 ℃ of temperature, weighs, and is designated as ml.Poor according to the quality ml of (filter residue+filter paper) and filter paper quality m0 calculated sludge content in the plating bath.Dried sludge sample is got 0.200g in corundum crucible, use Na
2O
2Alkali fusion is neutralized into solution with HCL behind the water extraction, selects suitable condition determination on ICP-AES or FAAS, measures wherein Sn, Fe, each constituent content such as Cr.
The utility model compared with prior art, its device is simple, low cost of manufacture, simple to operate fast, High efficiency is with a wide range of applications, and can bring good social benefit for enterprise and society And economic benefit.
Claims (9)
1. a vacuum filtration device comprises funnel, and nutsch filter and filter paper is characterized in that:
Be provided with a porous flow diverter in the described funnel, filter paper or filter membrane can be tiled on this flow diverter.
2. vacuum filtration device as claimed in claim 1 is characterized in that: described porous flow diverter is a core or porous barrier or porous filter screen.
3. vacuum filtration device as claimed in claim 1 or 2 is characterized in that: described nutsch filter comprises a bell-type tube and a base plate, and this bell-type tube and base plate are tightly connected.
4. vacuum filtration device as claimed in claim 3 is characterized in that: described bell-type tube bottom is widened texturing, and base plate is texturing glass or rubber blanket.
5. vacuum filtration device as claimed in claim 4 is characterized in that: described bell-type tube is up-small and down-big conical tube or bell-jar.
6. vacuum filtration device as claimed in claim 5 is characterized in that: described bell-type tube is provided with flow control valve.
7. vacuum filtration device as claimed in claim 6 is characterized in that: described flow control valve is the piston type flow control valve.
8. as claim 3 or 4 or 5 or 6 described vacuum filtration devices, it is characterized in that: also be placed with a liquid feeding bucket above the described funnel.
9. vacuum filtration device as claimed in claim 8 is characterized in that: described funnel afterbody also is provided with elbow mozzle or oblique syringe needle mozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200692493U CN201046357Y (en) | 2007-04-24 | 2007-04-24 | A vacuum suction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200692493U CN201046357Y (en) | 2007-04-24 | 2007-04-24 | A vacuum suction device |
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| CN201046357Y true CN201046357Y (en) | 2008-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2007200692493U Expired - Fee Related CN201046357Y (en) | 2007-04-24 | 2007-04-24 | A vacuum suction device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736311A (en) * | 2013-12-25 | 2014-04-23 | 福建省邵武市永晶化工有限公司 | Suction filtration device for preparing ammonium fluoride insoluble matter |
| CN106039799A (en) * | 2016-06-30 | 2016-10-26 | 殷霄 | Filtering device for chemical reagent |
| CN106474810A (en) * | 2016-10-21 | 2017-03-08 | 石宇琪 | Chemical filter unit |
| CN107500711A (en) * | 2014-12-24 | 2017-12-22 | 中国建筑材料科学研究总院 | Engine expansion plugging heat-barrier material |
| CN108663262A (en) * | 2018-07-09 | 2018-10-16 | 中国工程物理研究院核物理与化学研究所 | A kind of batch suction filtration making β source devices |
| CN112384070A (en) * | 2018-04-05 | 2021-02-19 | 沃咖啡公司 | Temperature control of extracted beverages (including coffee) by controlled vacuum and related systems and methods |
| CN112755620A (en) * | 2020-10-27 | 2021-05-07 | 湖北省银丰鼎诚生物工程有限公司 | Filtering and collecting device |
-
2007
- 2007-04-24 CN CNU2007200692493U patent/CN201046357Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103736311A (en) * | 2013-12-25 | 2014-04-23 | 福建省邵武市永晶化工有限公司 | Suction filtration device for preparing ammonium fluoride insoluble matter |
| CN103736311B (en) * | 2013-12-25 | 2015-04-29 | 福建省邵武市永晶化工有限公司 | Suction filtration device for preparing ammonium fluoride insoluble matter |
| CN107500711A (en) * | 2014-12-24 | 2017-12-22 | 中国建筑材料科学研究总院 | Engine expansion plugging heat-barrier material |
| CN107500711B (en) * | 2014-12-24 | 2019-09-10 | 中国建筑材料科学研究总院 | Engine expansion plugging heat-barrier material |
| CN106039799A (en) * | 2016-06-30 | 2016-10-26 | 殷霄 | Filtering device for chemical reagent |
| CN106474810A (en) * | 2016-10-21 | 2017-03-08 | 石宇琪 | Chemical filter unit |
| CN106474810B (en) * | 2016-10-21 | 2018-11-06 | 石宇琪 | Chemical filter unit |
| CN112384070A (en) * | 2018-04-05 | 2021-02-19 | 沃咖啡公司 | Temperature control of extracted beverages (including coffee) by controlled vacuum and related systems and methods |
| CN108663262A (en) * | 2018-07-09 | 2018-10-16 | 中国工程物理研究院核物理与化学研究所 | A kind of batch suction filtration making β source devices |
| CN112755620A (en) * | 2020-10-27 | 2021-05-07 | 湖北省银丰鼎诚生物工程有限公司 | Filtering and collecting device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080416 Termination date: 20140424 |