CN105727611B - A kind of Novel filtration separator - Google Patents
A kind of Novel filtration separator Download PDFInfo
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- CN105727611B CN105727611B CN201610249803.XA CN201610249803A CN105727611B CN 105727611 B CN105727611 B CN 105727611B CN 201610249803 A CN201610249803 A CN 201610249803A CN 105727611 B CN105727611 B CN 105727611B
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- filtered
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- 238000001914 filtration Methods 0.000 title abstract description 32
- 239000000706 filtrate Substances 0.000 claims abstract description 40
- 239000000203 mixture Substances 0.000 claims abstract description 31
- 239000007788 liquid Substances 0.000 claims description 57
- 239000007787 solid Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 22
- 238000000926 separation method Methods 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 9
- 239000002245 particle Substances 0.000 claims description 9
- 239000011521 glass Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 4
- 230000007423 decrease Effects 0.000 abstract description 5
- 239000002918 waste heat Substances 0.000 abstract description 3
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 21
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 17
- 238000000967 suction filtration Methods 0.000 description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000004744 fabric Substances 0.000 description 12
- 230000008569 process Effects 0.000 description 11
- 235000010333 potassium nitrate Nutrition 0.000 description 10
- 239000004323 potassium nitrate Substances 0.000 description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 description 8
- 239000012528 membrane Substances 0.000 description 8
- 239000013049 sediment Substances 0.000 description 8
- 239000002202 Polyethylene glycol Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229920001223 polyethylene glycol Polymers 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 230000005484 gravity Effects 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- 239000007864 aqueous solution Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000008367 deionised water Substances 0.000 description 4
- 229910021641 deionized water Inorganic materials 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000002425 crystallisation Methods 0.000 description 3
- 230000008025 crystallization Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000011259 mixed solution Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- ARUVKPQLZAKDPS-UHFFFAOYSA-L copper(II) sulfate Chemical compound [Cu+2].[O-][S+2]([O-])([O-])[O-] ARUVKPQLZAKDPS-UHFFFAOYSA-L 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 229910021653 sulphate ion Inorganic materials 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Chemical compound OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010494 opalescence Effects 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- 239000003643 water by type Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/147—Microfiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/20—Pressure-related systems for filters
- B01D2201/204—Systems for applying vacuum to filters
Abstract
The present invention relates to a kind of Novel filtration separators, which is characterized in that the separator is the cylinder with sealing-plug, the nutsch filter including being located at cylinder bottom and the pipeline through sealing-plug, and the nutsch filter includes funnel and filter medium.The Novel filtration separator can avoid the problem that filtrate is contaminated and is detained in the duct, loses, also meet and separated requirement is carried out to a small amount of solidliquid mixture, and can efficiently use waste heat to filtrate keep the temperature, so as to avoid because temperature decline caused by solute be precipitated the problems such as.
Description
Technical field
The present invention relates to a kind of Novel filtration separators, more particularly to a kind of filtering separation device for solid.
Background technology
Filtering is the general name of a major class unit operation.The process for being purified fluid purification by special device, the side of filtering
There are many formula, and also very extensively, solid-liquid, solid-gas, bulky grain, little particle are typical for the object system used.
Filtering is the liquid in motive force or other external force effect low suspension liquid (or the gas that generates heat containing solid particle)
(or gas) penetrates medium, and solid particle and other substances are retained by filter medium, so that solid and other substances and liquid
(or gas) separated operation.
Suction filtration is exactly to be filtered under diminished pressure.It reduces the pressure in bottle,suction using aspiration pump, achievees the purpose that separation of solid and liquid.Often
The device seen has vacuum pump, Buchner funnel, bottle,suction, sebific duct, filter paper (filter cloth or filter membrane) etc..Common mode is to utilize vacuum
Pump reduces air pressure in bottle,suction, and liquid to be separated passes sequentially through filter paper and Buchner funnel, since gravity enters bottle,suction
In, solid is stayed on filter paper.
But there are shortcomings for this traditional approach.Due to gravity, liquid to be separated can be along filter paper and Buchner funnel gap
Into bottle,suction, cause leakage filter phenomenon, pollute filtrate.And filter residue easily blocks filter paper, causes subsequently to filter not smooth or even resistance
Hinder follow-up suction filtration.If the liquid after filtering and heating, filtrate easily solidifies when falling into bottle,suction, and fiber crops are caused to the taking-up of filtrate
It is tired.These can all influence to filter efficiency and result.
Based on this, when being filtered in laboratory, in order to make up the deficiency of Buchner funnel to a certain extent, the prior art is public
A kind of inversion type filter device is opened, such as filter disclosed in CN201220017405 (CN202538506U) is floated by buoyancy
The upper surface of solidliquid mixture is floated over, sediment under the effect of gravity, gradually sinks to solidliquid mixture lower floor, this causes solid-liquid to mix
Closing the upper strata of object becomes the seldom clear liquid of contents of precipitate.In filter process, filter under vacuum passes through clear liquid
Filter cloth is extracted out from the upper surface of solidliquid mixture.Since the most of the time of filtering is to cross cleaner liquid, this causes sediment to block up
The problem of plug filter cloth causes filtration difficulty is greatly alleviated, so as to improve the efficiency of filtering to a certain extent, as shown in Figure 1.
But it is still had a disadvantage that on above-mentioned inversion type filter device：
1st, the distance that filtrate is passed through is longer, is very easy to be polluted by sebific duct, and unnecessary trouble is caused for subsequent experimental；
2nd, when the liquid of suction filtration is less, filtrate has been stayed in sebific duct mostly, and the filtrate in bottle,suction is seldom, greatly drops
The low efficiency filtered, illustrates that this filter is not appropriate for the separation of a small amount of solidliquid mixture；
3rd, when the solute for declining in filtrate containing solubility with temperature and declining, filtering should carry out at high temperature.It is falling
Put in formula filter device, filtrate must the conduit through long-distance could enter liquid reservoir in, in this process, filtrate be easy to because
Temperature decline causes solute to be precipitated in the filter.This, which not only results in filtering tube blocking, makes filtration difficulty, and can be because molten
The purpose being separated by filtration is not achieved in the precipitation of matter.
The content of the invention
In order to overcome the above-mentioned problems in the prior art, the present invention provides a kind of Novel filtration separator, can keep away
Exempt from the problem of filtrate is contaminated and is detained in the duct, loses, also meet and separated want is carried out to a small amount of solidliquid mixture
Ask, and can efficiently use waste heat to filtrate keep the temperature, so as to avoid because temperature decline caused by solute be precipitated the problems such as；In addition,
Solid and liquid counter motion during suction filtration, and then the liquid of the solid sediment of lower section and top is separated
Purpose.
For this purpose, the present invention provides a kind of Novel filtration separator, which is the cylinder with sealing-plug, including position
Nutsch filter in cylinder bottom and the pipeline through sealing-plug, the nutsch filter include funnel and filter medium.
According to the present invention, the funnel is inverted or the outlet of funnel is upward, upward outlet can be vertically upward,
It can also be that there is certain angle of inclination, such as 0~180 ° is tilted on vertical direction, preferably 30~135 °, more preferable 45~
120 °, 60~100 °, such as deviation level are further preferably tilted, that is, tilts 90 °.
According to the present invention, the filter medium is to filter in operation to support to intercept solid particle contained by fluid and have
The various porous materials of effect.Common filter medium has following a few classes：
1. braided material, the filter cloth and strainer formed by braidings such as naturally occurring or synthetic fiber, wires, are in industrial production
Most common filter medium.Such material price is cheap, and cleaning and replacement are convenient, and the minimum grain size that can be retained is 5~65 μm.With
Single thread strainer, homogeneous, corrosion-resistant, endurance progressively substitute it made of the fibers such as polyamide, polyester or polypropylene
His fabric filter cloth；
2. porous solid, the porous plastic formed including bique, sintering metal or glass or by plastics fine powder bonding
Pipe etc..The minimum grain size that such material can retain is 1~3 μm, is usually used in suspension of the processing containing a small amount of molecule；
3. accumulation medium, such as sand, gravel, charcoal and the non-woven fibers such as diatomite granular material or mineral wool
Accumulation horizon.It is generally used for the seldom suspension of processing solid content, such as city water and liquid glucose to be clean.
In addition, industrial filter paper can also be shared with above-mentioned filter medium, to intercept a small amount of subparticle in suspension.In recent years
Come, manufacture and the application of high-molecular porous film grow a lot, and applied to the filtering of more small particle, are clarified with obtaining height
Liquid.It is known as miillpore filter suitable for the film for filtering off 0.1~1 μm of particle；Claim suitable for the film for filtering off 0.01~0.1 μm of particle
For ultrafiltration membrane.It is industrial that miillpore filter and ultrafiltration membrane are widely used in medicine, food and biochemistry etc..
Present invention preferably uses filter medium have filter paper, filter cloth, filter core or filter membrane.
According to the present invention, the filter medium can be Nian Jie with the connection mode of above-mentioned upside down funnel, that is, pass through bonding
Filter medium is sticked to funnel surface by the stickums such as agent, preferably make filter medium surrounding be securely sticked to funnel edge or
The modes such as tie up can also be used, the filter mediums such as filter paper or filter cloth are coated into funnel head and tie up fixation, are inverted funnel
When filter medium do not fall off.
In the preferred embodiment of the present invention, can also be nutsch filter set buoy, the buoy be itself and
Nutsch filter together with placing can float on the object on liquid level.Under buoy effect, nutsch filter can float on liquid
Face, and the contact interface outer rim that nutsch filter is made to export upward funnel and filter medium such as filter paper, filter cloth, filter core or filter membrane is higher than
Solidliquid mixture liquid level to be separated, therefore it is possible to prevente effectively from leakage filter phenomenon.Here, leakage filter refers to sediment from funnel and filter
The gap of the contact interface outer rim of the filter mediums such as paper, filter cloth, filter core or filter membrane leaks through, and solid precipitation is caused to leak into filtrate.
According to the present invention, the pipeline runs through the sealing-plug of filter cylinder so that and filter separator is communicated with air,
It is connected can be realized with vacuum pump or vacuum system by the pipeline and filter separator is vacuumized.
Pipeline of the present invention can be any tube for making smooth air flow, and it is preferable to employ glass tubes.
Preferred embodiment according to the present invention, the pipeline do not connect spatially with the port of export of above-mentioned upside down funnel
It touches, so as to which liquid be avoided to be directly entered in pipeline.
Sealing-plug of the present invention is located at the top of cylinder, can be individually covering at the top of cylinder, reach sealing, example
If whole plug is covered at the top of cylinder, can also be sealed together with rest part at the top of cylinder, such as cylinder top
Portion is molded together with vertical outer wall, only leaves diameter between 1 centimetre -1 decimeter, preferably 3 centimetres -8 centimetres, more preferable 4 centimetres -
6 centimetres of consent, for accommodating the sealing-plug with above-mentioned pipeline.
The application method of the filter separator of the present invention is as follows：
Above-mentioned Novel filtration separator is placed in solidliquid mixture to be separated, is set due to itself floating or optionally floating
The effect of drift, the New Type of Separator will smoothly float on liquid level.Pipeline is directly connected to vacuum pump.After vacuum pump is opened, filtrate
By in the port of export inflow filter by upside down funnel, solid will be sink to container bottom due to gravity, finally realize solid-liquid
Separation.
And vacuum extractor disclosed in the prior art (such as CN201220017405) generally comprises conduit, fluid reservoir and true
Empty set is united, and fluid reservoir is located at before vacuum system, is closing in addition to two conduits, and a conduit is connected with vacuum system,
The upward outlet connection of the funnel of another conduit and nutsch filter.And conduit and hopper outlet are directly connected to or in succession
When connecing, and being directly connected to, it is directly connected to flexible conduit and the matched hopper outlet of bore, is then utilized when being indirectly connected with
The connecting components such as air exhaust nozzle, glass tube, rubber tube, plastic tube, rubber plug, the adapter glass of conventional suction bottle are attached.For just
In suction filtration, the inclined-plane of hopper outlet is towards the air exhaust nozzle of suction bottle.
Suction filtration device according to the present invention serves many purposes, and can be used for being separated by filtration for a variety of solidliquid mixtures, this
A little solidliquid mixtures are either the solid-liquid mixed liquor that the suspension or chemical reaction that physical mixed is formed are formed, such as
The reactant or by-product of precipitation form are generated in reaction process, can also be what is generated during industrial production or environmental improvement
Solidliquid mixture.
Enumerate several applications with filter separator of the present invention in non-limiting manner below.
1st, calcium carbonate and cupric sulphate mixture are filtered：Solidliquid mixture is formed by calcium carbonate, copper sulphate and deionized water, it will
Filter is put into wherein, and after upper end connection vacuum pump and unlatching, filtrate is flowed out from the hopper outlet of elbow form, finally by filtrate
It pours out from filter, is separated with the solid realization of precipitation.
2nd, Aqueous Solutions of Polyethylene Glycol is filtered：Water is added in after polyethylene glycol is fused into solution, Aqueous Solutions of Polyethylene Glycol is made,
When being put into water bath with thermostatic control, filter is put into wherein, upper end connection vacuum pump, liquid to be filtered still constant temperature in a water bath,
Liquid was not had into filter bottom end, opens vacuum pump, has thick liquid to be flowed out from outlet, when filtrate is close to exit lower end, stops
It only filters, you can separate solid-liquid.
3rd, potassium nitrate is filtered from mixture：Potassium nitrate is added in about 65 degree of deionized waters, is stirred to basic dissolving,
Calcium carbonate is added in, the mixed solution of calcium carbonate and potassium nitrate is formed, puts it into Water Tank with Temp.-controlled, filter is put into wherein,
After upper end connects vacuum pump and opens, filtrate is flowed out from outlet, after suction filtration, closes vacuum pump and takes out filter.At this time
There is no Crystallization in filter, liquid is poured out, is stood to room temperature, when temperature is down to room temperature, a large amount of crystal occur, it is real
The recycling of existing filtrate.
According to the present invention, in order to which separation of solid and liquid is more efficient, preferably before operation vacuum system is separated, solid-liquid is made
Mixture sufficient standing, so that solid matter is deposited in bottom as far as possible.
According to the present invention, after running a period of time, if filter medium is aspirated the precipitation blocking to come up on a small quantity, can will leak
Bucket takes out, and the sediment undergoes washing on filter media surface is cleared, then can be continuing with.
According to the present invention, in order to improve solid-liquid separation effect, in the later stage of suction filtration, stirred again with solid with certain quantity of fluid
It mixes mixing, after sufficient standing, continues to filter.
According to the present invention, if filtered solid needs washing, a small amount of solvent can be spread across on solid, stands a moment,
It is drained again, and carries out the drying process of other modes, such as further drying or with drier moisture absorption.
According to the present invention, the liquid in fluid reservoir re-mixes suction or washing available for above-mentioned solid matter.If
After filtering for a long time, there are a small amount of solid matter in fluid reservoir, then it can be refunded in solid-liquid mixed liquor that suction is separated again.
Novel filtration separator provided by the invention can effectively realize separation of solid and liquid, and show following advantage：
(1) pipeline (or conduit, be preferably glass tube) of filter of the present invention is shorter, and filtrate in filter process simultaneously
Without sebific duct, so as to solve the problems, such as that filtrate is polluted by sebific duct；
(2) since pipeline (or conduit) is shorter, the problem of filtrate is detained, loses in the duct, is also addressed, this makes
Filter meets in laboratory, and separated requirement is carried out to a small amount of solidliquid mixture；
(3) in filter operation, filtrate is stored in the filter, and filter is suspended in solidliquid mixture, so may be used
To keep the temperature filtrate using the waste heat of the solidliquid mixture of heat, so as to avoid declining because of temperature, cause with temperature to decline in filtrate
And the solute that solubility reduces is precipitated in filter process；
(4) in addition, moving towards for solid and liquid is different, liquid is taken away from above by vacuum, and solid is big by gravity
Part is still stayed in a reservoir, since solid, liquid move towards different, thus is significantly reduced because of clogging deposits filter medium such as
Filter paper, filter cloth, filter core or filter membrane and cause filter efficiency decline problem；
(5) it is filtered, in washing process to precipitation, there is no deposit is transferred to funnel from original container
In, then the process being transferred out from funnel.Solid matter caused by so as to reduce precipitation when the transfer loses, and operates
Journey is time saving, laborsaving；
(6) it even if filter medium is deposited blocking, but can simply be cleared up, for example funnel is taken out, by filter paper, filter
Sediment undergoes washing on the filter media surfaces such as cloth, filter core or filter membrane is clean or replaces filter medium, then can be continuing with；
(7) nutsch filter floatability declines automatically on liquid level during suction filtration with the reduction of liquid level.Make whole operation
Process can be automatically performed.
Description of the drawings
Fig. 1 is the structure diagram of the Suction filtration device of the prior art, wherein：
1- is inverted nutsch filter outlet, 2- sebific ducts, 3- bottle,suctions, 4- filtrates, 5- filtrates, 6- solidliquid mixtures, 7- sediments；
Fig. 2 is a kind of structure diagram of the filter separator of embodiment according to the present invention, wherein：
1- is inverted processor outlet, 2- pipelines, 3- sealing-plugs, 4- containers, 5- solidliquid mixtures
Specific embodiment
By specific embodiment, the present invention is described in detail below in conjunction with the accompanying drawings.The features and advantages of the invention will
As these descriptions become more apparent from, clearly.
Fig. 1 is the structure diagram of the Suction filtration device of the prior art, wherein：1 is is inverted nutsch filter outlet, and 2 be sebific duct, and 3
It is filtrate for bottle,suction, 4 and 5,6 be solidliquid mixture, and 7 be sediment.
Fig. 2 is a kind of structure diagram of the filter separator of embodiment according to the present invention, wherein, it is inverted processor and goes out
Mouth 1 is elbow form, and pipeline 2 is communicated through sealing-plug 3 with air or vacuum pump.It is to be separated solid when the filter separator is placed in
When in liquid mixture 5, after pipeline 2 is directly connected to vacuum pump and opens, filtrate will be by 1 inflow filter of outlet of upside down funnel
In, solid will be sink to 4 bottom of container due to gravity, finally realize separation of solid and liquid.
Embodiment 1：The method that calcium carbonate and cupric sulphate mixture are filtered with filter separator of the present invention.
40 grams of calcium carbonate
10 grams of copper sulphate
100 grams of deionized water
Solidliquid mixture formed above, since a small amount of solid particle is contained on upper strata, opalescence phenomenon is presented in liquid.This is sent out
Bright filter is put into wherein, and upper end connection vacuum pump, after opening vacuum pump, blue filtrate is smoothly flowed out from elbow.
After finishing, the sebific duct of vacuum pump is pulled out, closes vacuum pump, takes out filter.Filtrate can pour out from filter easily, so as to
Realize separation of solid and liquid.
It is above-mentioned the experimental results showed that, the filter of this invention inherits us and works in advance the inversion type of middle invention
The advantages of siphon filter, in the most of the time of filter process, the clear liquid of the solidliquid mixture of filtering, this causes filtering to imitate
Rate is greatly improved.Filtrate is without sebific duct in filter process, so as to which filtrate be avoided to be contaminated.In an experiment, because liquid mixes
The volume of object is closed in 100ml or so, most filtrates are recycled, this illustrates that the device is suitble to small size solidliquid mixture
Lock out operation.
Embodiment 2：The method that 80% Aqueous Solutions of Polyethylene Glycol is filtered with filter separator of the present invention.
Polyethylene glycol 80%
Deionized water 20%
Water is added in after polyethylene glycol is fused into solution, 80% Aqueous Solutions of Polyethylene Glycol is made.It is solid under room temperature, nothing
Method filters.When in the water bath with thermostatic control that this solution is put into about 45 degree, crystallization situation optimum filters.By the Novel filtration of the present invention
Device is put into wherein, upper end connection vacuum pump, and liquid to be filtered still constant temperature in a water bath avoids solidifying during filtering.By liquid
Body did not had filter bottom end, opened vacuum pump.There is thick liquid to be flowed out from nozzle.When filtrate is close to nozzle lower end, stop taking out
Filter, filter is taken out, so as to fulfill separation of solid and liquid.
Embodiment 3：With the method for filter separator of the present invention filtering potassium nitrate
With about 65 degree of 300 grams of deionized water, about 200 grams of potassium nitrate are added in, stirs to basic dissolving, adds in about 100
Gram calcium carbonate forms the mixed solution of calcium carbonate and potassium nitrate, is that filter out potassium nitrate using the filter of the present invention molten below
Liquid：
Prepared liquid to be filtered is put into the Water Tank with Temp.-controlled of 65 degree of constant temperature, filter is put into wherein, on
End connection vacuum pump.After opening vacuum pump, filtrate is successfully flowed out from nozzle, and suction filtration process is about 10 seconds.After suction filtration, close
Vacuum pump is closed, takes out filter.Liquid is poured into beaker, is stood to room there is no Crystallization in filter at this time
Temperature.When temperature is down to room temperature, there are a large amount of crystal, realizes the recycling of filtrate substantially in beaker bottom, the pole during suction filtration
Big avoids waste.
Comparative example 1：With the method for traditional filtered on buchner funnel potassium nitrate：
It is to go out nitre using traditional filtered on buchner funnel below if embodiment 3 prepares the mixed solution of calcium carbonate and potassium nitrate
Sour potassium solution：
Filter paper on Buchner funnel middle berth is put on bottle,suction, bottle,suction connection vacuum pump.After opening vacuum pump, it will treat
Filtered fluid is poured into Buchner funnel.Filtering terminates, and has occurred a large amount of crystalline substances after the sebific duct for pulling out vacuum pump, in bottle,suction
Body, bottle wall also have a small amount of crystal to adhere to.In filter paper in Buchner funnel, a small amount of crystal is also left.As it can be seen that due to solution temperature
(about 65 degree) and the larger temperature difference of room temperature (about 13 degree) are spent, potassium nitrate solution is caused just to form knot in filter process
Crystalline substance is deposited in filter paper and bottle,suction, is caused the waste of filtrate, is greatly reduced filter efficiency.
By embodiment 3 and comparative example 1, it can be proved that the filter of the present invention can be filtered under constant temperature to temperature
Sensitive liquid is spent, the purpose of separation of solid and liquid is realized, and receives good effect.
Exemplary explanation has been carried out to the present invention above by preferred embodiment.But it is to be understood that,
These specific embodiments are only the illustrative explanations to the present invention, do not form any restrictions to protection scope of the present invention,
In the case of without departing from spirit and scope of the present invention, those skilled in the art can to the technology of the present invention content and in fact
The mode of applying carries out various improvement, equivalencing or modification, these are each fallen in protection scope of the present invention.
Claims (4)
1. a kind of be filtered solidliquid mixture separated method using filter separator, which is characterized in that
The separator is the cylinder with sealing-plug, the nutsch filter including being located at cylinder bottom and the pipe through sealing-plug
Road, the nutsch filter include funnel and filter medium,
The funnel is inverted, and the outlet of funnel is elbow form,
The pipeline does not contact spatially with the port of export of above-mentioned upside down funnel,
The filter medium is filtered in operation intercepting solid particle contained by fluid and various porous with supporting role
Property material, for nutsch filter set buoy,
The sealing-plug is located at the top of cylinder, be individually covering at the top of cylinder or with rest part one at the top of cylinder
It rises and is sealed,
The described method includes, filter separator is placed in solidliquid mixture to be separated and floats on liquid level, pipeline connection vacuum system
System, after opening vacuum system, filtrate realizes separation of solid and liquid by outlet inflow filter, solid is sink to container bottom.
2. according to claim 1 be filtered solidliquid mixture separated method, feature using filter separator
It is,
The pipeline is glass tube.
3. according to claim 1 or 2 be filtered solidliquid mixture separated method using filter separator, special
Sign is,
It is molded at the top of cylinder together with vertical outer wall, only leaves diameter between 1 centimetre -1 decimeter of consent.
4. according to claim 3 be filtered solidliquid mixture separated method, feature using filter separator
It is,
Consent diameter is between 4 centimetres -6 centimetres.
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| CN105727611B true CN105727611B (en) | 2018-05-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111257094A (en) * | 2020-02-28 | 2020-06-09 | 武汉科技大学 | Filter paper composite filtering method for precipitation quantitative separation |
| CN112774295B (en) * | 2020-12-31 | 2022-06-21 | 江苏大学 | High-flux chemical solution filtering device |
| CN113368600B (en) * | 2021-05-11 | 2022-10-14 | 何建军 | Vacuum constant temperature yellow phosphorus filter |
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Effective date of registration: 20220428 Address after: Room 517, Yihe center, No. 13 Huayuan Road, Haidian District, Beijing 100089 Patentee after: Beijing Jingsheng Guotai Technology Co.,Ltd. Address before: 315602 Ningbo 6 Ninghai building, Jinhai Road, 5 Jinhai East Road, Ninghai new town, Liyang, Zhenning. Patentee before: NINGHAI DEBAOLI NEW MATERIAL CO.,LTD. |