CN101151218B - Gathering method and apparatus of powder separated soluble component - Google Patents
Gathering method and apparatus of powder separated soluble component Download PDFInfo
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- CN101151218B CN101151218B CN2006800099970A CN200680009997A CN101151218B CN 101151218 B CN101151218 B CN 101151218B CN 2006800099970 A CN2006800099970 A CN 2006800099970A CN 200680009997 A CN200680009997 A CN 200680009997A CN 101151218 B CN101151218 B CN 101151218B
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- 239000000843 powder Substances 0.000 title claims abstract description 216
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002904 solvent Substances 0.000 claims abstract description 111
- 238000007599 discharging Methods 0.000 claims abstract description 8
- 239000000470 constituent Substances 0.000 claims description 132
- 238000005201 scrubbing Methods 0.000 claims description 35
- 239000000243 solution Substances 0.000 claims description 29
- 238000005259 measurement Methods 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 7
- 230000004308 accommodation Effects 0.000 claims description 3
- 239000012155 injection solvent Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 abstract description 3
- 238000005086 pumping Methods 0.000 abstract 2
- 238000011001 backwashing Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 238000010612 desalination reaction Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 238000001354 calcination Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000010849 combustible waste Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- -1 fluorescence Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002195 soluble material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/30—Filter housing constructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/30—Filter housing constructions
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Detergent Compositions (AREA)
Abstract
The present invention relates to an apparatus for collecting soluble component-removed powder that collects soluble component-removed and poorly soluble component-containing powder to recycle by removing the soluble component from the powder through filtering using a vacuum pump after mixing soluble component- and poorly soluble component-containing powder and a solvent dissolving the soluble component, and a method of the same. According to the invention, it can be easily achieved to collect and utilize soluble component-removed powder, after the soluble component is dissolved in a solvent, by vacuum pumping the solvent through a filter and then discharging a solution containing only the soluble component, further effectively prevent overload by removing the soluble component-removed powder stuck on the surface of the filter in the vacuum pumping through backwashing.
Description
Technical field
The present invention relates to a kind of collection and removed the devices and methods therefor of the powder of soluble constituent, this device is removed the solution that has mixed the powder that contains soluble constituent and indissoluble component and be used to dissolve the solvent of soluble constituent in groove by using the suction force that is produced by vacuum take-off, and easily collect the powder of having removed soluble constituent, and prevent overload by in the solution suction, increasing back scrubbing.
The application is based on the Korean Patent Application No. 10-2005-0079883 and the 10-2006-0013630 that submit on August 30th, 2005 and on February 13rd, 2006 respectively, and requires to obtain its right of priority, and the disclosure of this application all is hereby incorporated by.
Background technology
Usually, knownly in the technical field for example remove from polymer powder or oxide powder that the method for the soluble constituent of salt is the precipitator method, this method makes the powder precipitation that contains soluble constituent in groove with the solvent phase blended, separates the powder that is settled out from the solvent that comprises the dissolved soluble constituent then repeatedly; Centrifuging, this method utilize the density of solution and powder different, the powder that contains soluble constituent are housed and the container of solvent phase blended solution comes separating particles by rotation.
Yet, when the particles of powder that contains soluble constituent is 10 μ m or more during large size, the known precipitator method can be carried out fast, but when particle less than this size and when floatability is arranged, then need to settle the powder down for a long time, thereby cause having prolonged the processing cycle of separated powder from solution and reduced processibility.
On the other hand, for utilizing the centrifuging washing, when comprising a large amount of particle, the motor of high speed rotating container may transship and damage.
In addition, at Japanese Unexamined Patent Publication No 2004-358288, its title discloses an example that solves the problems of the prior art for " being used for calcining the method (METHOD FOR WASHING/DESALTINGINCINERATION ASH) of the washing/desalination of ashes ".According to this method, cigarette ash that calcining produces during combustible waste and dust and mean particle size are that the inorganic powder of 10 to 200 μ m mixes, and then mixture and water are mixed and made into slurry.Use belt filter this slurry to be separated into the inoganic solids and the aqueous solution that has dissolved salt by the solid-liquid separation method.
Yet, the problem of preceding method is, even effectively wash/desalination by the loading filter device, because the restriction of non-woven fabrics, the solid that granularity is about 1 μ m may come out, and not only need a large amount of spaces and cost to be used to install belt filter, but also need special method with surface isolation inoganic solids from strainer.
Summary of the invention
Technical problem
In order to address the above problem, the purpose of this invention is to provide a kind of no matter particulate size and quantity, can be by isolating the devices and methods therefor that the powder of removing soluble constituent is collected the powder of removing soluble constituent with the mixture of the solvent that is used for dissolving soluble constituent from comprising the powder that contains soluble constituent and indissoluble component.
Technical scheme
According to an embodiment of the invention, the device of the powder of soluble constituent has been removed in a kind of collection, and it comprises: rinse bath, and it has inner spatial accommodation; Powder supplier, the powder that it is arranged on the rinse bath top and contains soluble constituent and indissoluble component to this rinse bath supply; Solvent supplier, the solvent that it is arranged on rinse bath top and is used for dissolving the soluble constituent that this powder contains to this rinse bath supply; Pipeline, one end are arranged in the rinse bath and the other end is arranged on outside this rinse bath; Strainer, it is arranged on the end of the pipeline in the rinse bath; Pump, it links to each other with the outer end of pipeline and apply negative pressure of vacuum when opening in pipeline; Backflushing system, it is injected into solvent in the strainer by pipeline, from this strainer, to remove the powder of removing soluble constituent that when soluble constituent is dissolved in this solvent, during the pump suction, is bonded on this strainer, before this, the powder that contains soluble constituent and indissoluble component mixes in rinse bath with this solvent; The powder relief outlet, its powder that is arranged on rinse bath bottom and will removes soluble constituent is discharged outside this rinse bath; And controller, it is control pump, backflushing system and powder relief outlet respectively.
Said apparatus can comprise: bubble generator, and it is arranged on the bottom of the strainer in the rinse bath, produces bubble and also this bubble is directed in this strainer; Agitator, it is arranged in the rinse bath and the powder that contains soluble constituent and indissoluble component is mixed with solvent phase; With the solvent supply valve, it is arranged on the solvent supplier and controls the flow velocity that is fed to the solvent in the rinse bath.
Described backflushing system can comprise: first close/open valve, and it is arranged on the pipeline between strainer and the pump, and regulates the flow that flows to the solvent the pump from strainer by opening and closing according to the control of controller; With second close/open valve, it is arranged between first close/open valve and the strainer, and regulates by the flow of pipeline supply to the solvent of strainer by opening and closing according to the control of controller.
Described backflushing system further comprises: back scrubbing solvent supply pipeline, and the one end links to each other with solvent supplier, and the other end links to each other with the pipeline that is provided with second close/open valve.Close and second close/open valve when opening when first close/open valve, described back scrubbing solvent supply pipeline is directed to the solvent in the solvent supplier in the pipeline, so that the solvent in this solvent supplier is by in the pipeline inflow filter.
Simultaneously, described controller can comprise: function unit, to change the operation of pump and backflushing system, this preset data value depends on powder that contains soluble constituent and indissoluble component and composition and the content that joins the solvent in the rinse bath according to preset data value output control signal for it.
Described controller calculates the vacuum take-off time of pump according to the preset data value of function unit, and can be input to timer by the data that will calculate and use this timer periodically to control back scrubbing with master mode.
Selectively, described controller can comprise: the vacuum pressure in the pressure transmitter, its induction pipe; And function unit, it opens backflushing system when being sensed pressure in the pipeline by pressure transmitter and be lower than preset pressure.
The pressure default by described function unit is-0.8kg/cm
2
In addition, described device can comprise: powder efflux time proofing unit, and it detects the efflux time of the powder of removing soluble constituent of discharging by the powder relief outlet; And outlet valve, it is arranged on the powder relief outlet, and wherein, described controller opens or cuts out described powder relief outlet according to the data that detected by described powder efflux time proofing unit by the control outlet valve.
Described powder efflux time proofing unit can be any in pH value measurement component and the conductance instrument, and described pH value measurement component is measured the pH value that contains the solution of soluble constituent in the rinse bath; Described conductance instrument is measured the specific conductivity that contains the solution of soluble constituent in the rinse bath.
When the pH value of solution in the rinse bath of being measured by pH value measurement component during for preset standard pH value, described controller can be opened outlet valve so that removed the powder of soluble constituent and discharge by the powder relief outlet.The standard pH value is to determine according to the powder type that joins in the rinse bath.For instance, when being set to 6 according to powder type standard pH value, measured by pH value measurement component after the pH value of solution in the rinse bath, if the pH value of surveying is 6, then described function unit is opened outlet valve to discharge the powder of having removed soluble constituent by the powder relief outlet.On the other hand, lift another example explanation again, when being set to 8 according to powder type standard pH value, measure by pH value measurement component after the pH value of solution in the rinse bath, if the pH value of surveying is 8, then described function unit is opened outlet valve to discharge the powder of having removed soluble constituent by the powder relief outlet.Above-mentioned standard pH value is only as example, and the standard pH value on the basis of determining as the powder efflux time depends on the powder type of adding, so it is not limited to the value of above-mentioned example.
In addition, when the specific conductivity of being measured by conductance instrument was the preset standard specific conductivity, described controller was opened outlet valve and is passed through the discharge of powder relief outlet so that removed the powder of soluble constituent.Described standard conductivity also depends on the type that joins the powder in the rinse bath.
For instance, when being set to 12 μ S according to the powder type standard conductivity, measure by conductance instrument after the specific conductivity of solution in the rinse bath, if the specific conductivity of surveying is 12 μ S, then described function unit is opened outlet valve to discharge the powder of having removed soluble constituent by the powder relief outlet.On the other hand, lift another example explanation again, when being set to 1mS according to the powder type standard conductivity, measure by conductance instrument after the specific conductivity of solution in the rinse bath, if the specific conductivity of surveying is 1mS, then described function unit is opened outlet valve to discharge the powder of having removed soluble constituent by the powder relief outlet.Above-mentioned standard conductivity is only as example, and the standard conductivity on the basis of determining as the powder efflux time depends on the powder type of adding, so it is not limited to the value of above-mentioned example.
In addition, described device can comprise: the powder collection groove, it is arranged under the described powder relief outlet, and collects the powder of removing soluble constituent of discharging by the powder relief outlet.
According to another implementation of the invention, the method that the powder of soluble constituent has been removed in a kind of collection can comprise: the powder and the solvent that (a) will contain soluble constituent and indissoluble component inject rinse bath to remove soluble constituent from this powder, before this, the powder that contains soluble constituent and indissoluble component mixes with the solvent phase of the soluble constituent that is used for dissolving this powder, and soluble constituent is dissolved in this solvent; (b) when the soluble constituent in this powder is dissolved in solvent in the rinse bath, discharge the solvent that comprises the soluble constituent in this powder by pipeline, use pump and strainer vacuum take-off simultaneously and filter this solvent; (c) when the powder of removing soluble constituent is bonded on the filter surfaces, be injected in the strainer and back scrubbing solvent is reverse by pipeline, from this strainer, to remove the powder of removing soluble constituent; (d) discharge the outer powder of removing soluble constituent of collecting of rinse bath by the powder that will remove soluble constituent.Step (a) to (d) is controlled by function unit.
In step (a) afterwards, described method can further comprise: use the agitator be installed in the rinse bath to be stirred in the powder and the solvent that contain soluble constituent and indissoluble component in this rinse bath.
Step (c) afterwards, described function unit uses the powder efflux time proofing unit that can detect the efflux time that receives the powder of having removed soluble constituent in the rinse bath to measure and receives the efflux time of having removed the powder of soluble constituent in the rinse bath, and the powder that can will remove soluble constituent in efflux time discharges outside the rinse bath, and in the time beyond the efflux time repeating step (b) and (c).
Beneficial effect
The present invention relates to a kind of collection and removed the devices and methods therefor of the powder of soluble constituent, at the powder that contains soluble constituent and indissoluble component with after solvent phase mixes, this device remove from the powder that contains soluble constituent and indissoluble component by using vacuum pump to filter soluble constituent collect contain the indissoluble component powder with recycle.According to the present invention, after soluble constituent is dissolved in the solvent,, discharge the solution that only contains soluble constituent then by this solvent of strainer vacuum take-off, can easily collect and use this powder, further remove the powder that is bonded on the filter surfaces and can effectively avoid overload by back scrubbing.
In addition, because simple structure has not only significantly reduced the initial cost of equipment, and has enough spatial advantages of acquisition, because do not need special installing space to use.
Description of drawings
Fig. 1 removes soluble constituent and collects the method for the powder that contains the indissoluble component according to an embodiment of the invention for explanation from the powder that contains soluble constituent and indissoluble component schema;
Fig. 2 removes soluble constituent and collects the powder that contains the indissoluble component according to an embodiment of the invention for explanation from the powder that contains soluble constituent and indissoluble component schematic representation of apparatus;
Fig. 3 is the view of explanation according to the collection device that comprises bubble generator below strainer of an embodiment of the invention; And
Fig. 4 is the view of explanation according to the collection device that comprises powder collection groove, powder efflux time proofing unit and outlet valve of an embodiment of the invention.
The explanation of major parts symbol in the-accompanying drawing-
100: rinse bath
110: solvent supplier
120: powder supplier
130: the powder relief outlet
131: outlet valve
132: the powder collection groove
150: agitator
152: motor
154: motor drive shaft
155: stirring rake
200: pump
250: pipeline
270: strainer
310: the first close/open valves
320: the second close/open valves
330: the three close/open valves
340: back scrubbing solvent supply pipeline
400: function unit
410: pressure transmitter
420: timer
500: bubble generator
600: powder efflux time proofing unit
Embodiment
Below with reference to accompanying drawing in detail the present invention is described in detail.
According to an embodiment of the invention, as shown in Figure 1, a kind of from the powder that contains soluble constituent and indissoluble component, remove method that soluble constituent and collection contain the powder of indissoluble component be included in add in the rinse bath contain soluble constituent and indissoluble component powder with a kind of solvent and make it mix (step S1); Mixing liquid is pumped to outside the rinse bath, therein, when the soluble constituent in the powder was dissolved in the solvent, the liquid that contains soluble constituent was discharged from by strainer, and the powder of having removed soluble constituent and having contained the indissoluble component does not allow to pass strainer (step S2); By solvent being injected into back scrubbing strainer the strainer, when discharging, the liquid that contains soluble constituent is bonded at removing soluble constituent and containing the powder (step S3) of indissoluble component on the filter surfaces to remove from pipeline; Detect the efflux time (step S4) of having removed soluble constituent and having contained the powder of indissoluble component; From rinse bath, discharge the powder that contains the indissoluble component and collect this powder (step S5) at the efflux time of powder; Repeating step S2 and S3 in except the time of efflux time.
The specific embodiment that comprises the collection method of step S1 to S5 can comprise: 1. add the powder contain soluble constituent and indissoluble component and a kind of solvent → 2. powder is mixed with solvent phase → 3. and will contain the solution discharge rinse bath of soluble constituent → 4. when containing the solution discharge rinse bath of soluble constituent by strainer in rinse bath, 3. and 4. when the powder that contains the indissoluble component is bonded on the surface of strainer and carries out the repeating step of back scrubbing → 5. when forming load and check that 3. and 4. → 6. the reference line (upper dead point and bottom dead centre) that is shown on the rinse bath joins solvent rinse bath → 7. when passing through repeating step the quantity of solvent in the rinse bath reduces to bottom dead centre to determine when, inspection powder efflux time → 8. when not reaching the powder efflux time, the Extra Supply solvent is until the arrival upper dead point → when 9. repeating 2. extremely 7. → 10. to have reached efflux time after process is checked, discharge and collection contain the powder of indissoluble component from rinse bath in rinse bath.
Among the step S1, preferably use the agitator in rinse bath, rotate to add the stirring of solvent, so that dissolved impurity easily promptly is contained in the soluble constituent (for example, salt component) in the powder by motor.
In addition, in step S2, preferably strainer is set, and according to the powder particle size porous polymer filter, porcelain filter or net metal strainer is installed and is passed through, but material is not limited to this to prevent powder at pipeline one end.
In addition, can be by checking ducted negative pressure of vacuum, according to the filling of the described solvent of pressure-controlling, discharge and back scrubbing, perhaps indivedual times by periodically repeating the vacuum take-off time and the back scrubbing time is controlled it.
On the other hand, as shown in Figure 2, the device of removing soluble constituent and collect the indissoluble component from the powder that contains soluble constituent and indissoluble component comprises: the rinse bath 100 with inner spatial accommodation; Be arranged on rinse bath 100 tops and contain the powder supplier 120 of the powder of soluble constituent and indissoluble component to rinse bath 100 supply; Be arranged on rinse bath 100 tops and be used for dissolving the solvent supplier 110 of the solvent of the soluble constituent that this powder contains to rinse bath 100 supply; One end is arranged in the rinse bath 100 and the other end is arranged on the outer pipeline 250 of rinse bath 100; The strainer 270 that the end of the pipeline 250 in rinse bath 100 is provided with; Link to each other with the outer end of pipeline 250 and when opening (ON), in pipeline 250, apply the pump 200 of negative pressure of vacuum; Backflushing system, it is injected in the strainer 270 solvent to remove the powder of removing soluble constituent that is bonded on the strainer 270 during pump 200 suctions when soluble constituent is dissolved in solvent from strainer 270 by pipeline 250, before this, the powder that contains soluble constituent and indissoluble component mixes in rinse bath 100 with solvent; Be arranged on rinse bath 100 bottoms and also will remove the powder relief outlet 130 that the powder of soluble constituent is discharged rinse bath 100; Controller with difference control pump 200, backflushing system and powder relief outlet 130.Selectively, according to an embodiment of the invention, described collection device can further comprise powder collection groove 132 as shown in Figure 4, and it collects the powder of removing soluble constituent and containing the indissoluble component of discharging from powder relief outlet 130.
Particularly, piped solvent supplier 110 and powder supplier 120 are arranged on the rinse bath 100 with supply solvent and powder; The reference line that indicates upper dead point and bottom dead centre is arranged on the upper and lower of rinse bath to determine the interpolation of solvent; And the powder relief outlet 130 that is arranged on the bottom is discharged the powder of having removed soluble constituent and having contained the indissoluble component.
The discharge of powder relief outlet 130 can be controlled automatically or manually be controlled and discharged by unlatching or valve-off by controller.Example as shown in Figure 4, controller can be according to by powder efflux time proofing unit 600 detected data, control the discharge that powder discharges/stop by On/Off outlet valve 131.Described powder efflux time proofing unit 600 can be a pH value measurement component, when its soluble constituent in powder is dissolved in the solvent, measures the pH value that contains the solution of soluble constituent in the rinse bath 100; Or a conductance instrument, when its soluble constituent in powder is dissolved in the solvent, measure the specific conductivity that contains the solution of soluble constituent in the rinse bath 100.
If described powder efflux time proofing unit 600 is pH value measurement components, then preferably control powder relief outlet 130, so that when the pH value of solution value of measuring by pH value measurement component in the rinse bath 100 during, discharge powder for preset standard pH value.
On the other hand,, preferably control powder relief outlet 130, so that when the electrical conductivity of solution value of being measured by conductance instrument in the rinse bath 100 is the preset standard conductivity value, discharge powder if described powder efflux time proofing unit 600 is conductance instruments.
In rinse bath 100, agitator 150 (perhaps not being provided with) by outer power driven rotary can be set with mixed powder and solvent, it comprises and is arranged on the outer motor 152 of rinse bath 100; Connect motor 152 and motor drive shaft 154 that can in rinse bath 100, rotate; And the rotatable stirring rake 155 that is connected the water screw shape of motor drive shaft 154 ends.
The scope of the negative pressure of vacuum of preferred pump 200 is-0.01 to-1.5kg/cm
2, but possible in practice aspiration ranges is-0.1 to-0.99kg/cm
2Yet if surpass or be less than this scope, negative pressure of vacuum may be inoperative or be destroyed the weather resistance of parts owing to superpressure.
Described strainer 270 is fixed on the end of the pipeline 250 that is positioned at rinse bath 100 bottoms, and can be the polymer filter with pore, net metal strainer or the porous ceramic filter that is fit to powder size.For gauze strainer, preferably its pore size makes powder can not pass through strainer by the solution that has dissolved salt or soluble constituent.
Described backflushing system comprises first close/open valve 310 in the pipeline 250 that is arranged between strainer 270 and the pump 200, and is arranged on second close/open valve 320 to supply water to strainer 270 from the outside between first close/open valve 310 and the strainer 270.
During back scrubbing, preferably the pressure range of the solvent of supplying from the outside is about 0.01 to 4.0kg/cm
2, the interior pressure that this pressure should make the pipeline 250 that has applied negative pressure of vacuum is being for just, but not negative, because too much superpressure can cause comprising the destruction of the parts weather resistance of strainer 270.
Described first and second close/ open valves 310 and 320 are according to control signal and On/Off, and ON/OFF runner separately, and first close/open valve 310 is opened the solution of its runner to discharge in the rinse bath 100 through pipeline 250 when pump 200 suctions, and closes its runner when back scrubbing.
Described second close/open valve 320 is arranged on the back scrubbing solvent supply pipeline 340 that connects solvent supplier 110 and pipeline 250, and close usually, but when back scrubbing, then open it so that the solvent in the solvent supplier 110 is supplied to strainer 270. from pipeline 250 through back scrubbing solvent supply pipeline 340
The 3rd close/open valve 330 is the solvent supply valves that provide for solvent supplier 110, its can controlling flow to the solvent streams of rinse bath 100 or back scrubbing solvent supply pipeline 340.
Described controller comprises the transmitter 410 that is arranged on the pipeline 250 and detects the negative pressure of vacuum of pipeline 250, and function unit 400, it is the pressure detecting signal and the preset pressure of transmitter 410 relatively, and becoming (when the idling of taking seriously is pressed and become greater than preset pressure) when being less than preset pressure when relatively signal, the output control signal is used for first and second close/open valves 310 of back scrubbing and 320 ON/OFF with control.
Described function unit 400 determines that according to the interior pressure of pipeline 250 reason of the time of origin of back scrubbing is that negative pressure of vacuum in the pipeline 250 changes according to being bonded at strainer 270 lip-deep powder quantity, therefore can be used as the standard of judging superpressure.
Preferably be made as-0.8kg/cm by function unit 400 default negative pressure of vacuum
2, as mentioned above, it is used to prevent the superpressure of negative pressure of vacuum.
In addition, described back scrubbing is preferably carried out according to the Preset Time that function unit 400 is determined, and also can change according to the supply pressure of solvent.
Described controller can be selected another master mode, promptly adopt a timer 420, it is according to joining size, content and the component of the powder of rinse bath 100 and the vacuum take-off time of pump 200, rather than periodically carries out back scrubbing according to the vacuum pressure of pipeline 250.For above-mentioned master mode, by importing in advance as the kind of the powder of data and character etc., and make function unit 400 find vacuum take-off time corresponding to the pump 200 of each data, they are input to timer 420 then and periodically repeating vacuum suction and back scrubbing.
When before solvent joins rinse bath 100, solvent composition being input to function unit 400, can calculate suction time, and be input to timer 420 and periodically carry out back scrubbing by the time that will calculate corresponding to the pump 200 that is input to the data in the function unit 400 in advance.
Selectively, can the use traffic meter replace the pressure transmitter of the intensity of induction negative pressure of vacuum, determine the back scrubbing time according to the Fluid Volume that is discharged to pipeline from strainer.
Soluble constituent of removing in the powder that contains soluble constituent and the working method of collecting the device of the powder of having removed soluble constituent are hereinafter described.
In collection device according to an embodiment of the invention, open the 3rd close/open valve 330, solvent is joined in the rinse bath 100 by solvent supplier 110, and the powder that will contain soluble constituent and indissoluble component joins in the rinse bath 100 by powder supplier 120, and they mix in rinse bath 100 then.
When mixing, be included in soluble constituent in the powder be dissolved in solvent and and powder separation, then, the vacuum take-off of the solution that contains soluble constituent that is obtained by the dissolving of soluble constituent in solvent by pump 200 is through filter 270 flow ipes 250.
Along with flow of solution, filter and also carrying out, the powder that wherein comprises indissoluble component (that is the solid in the solution) is stayed in the rinse bath 100 by the strainer 270 that is arranged on pipeline 250 1 ends; The solution that contains soluble constituent that is obtained by soluble constituent being dissolved in solvent then passes strainer 270 and discharges through pipeline 250.
Described function unit 400 is opened first close/open valve 310 to open its runner and to close second close/open valve 320 to close its runner.
Simultaneously, carry out back scrubbing according to above-mentioned negative pressure of vacuum, operation timing or by the master mode of the output of flowmeter survey.In the backwash process, close and after its runner also closes, open second close/open valve 320 at first close/open valve 310, the solvent in solvent supplier 110 flows to rinse bath 100 through filter 270 then through back scrubbing solvent supply pipeline 340 flow ipes 250.
In above-mentioned back scrubbing, close the 3rd close/open valve 330, and solvent only is fed in the rinse bath 100 through second close/open valve 320.
After back scrubbing finishes, allow described function unit 400 to carry out the vacuum take-off of front, make vacuum take-off and back scrubbing repeat like this by opening first close/open valve 310 once more and closing second close/open valve 320.
Along with vacuum take-off and back scrubbing periodically repeat, it is separated and removed to be contained in soluble constituent in the powder, and when the data of measuring according to powder efflux time proofing unit 600 determined that it is the time that the powder that contains the indissoluble component in the rinse bath begins to discharge, powder was expelled to the outside by the powder relief outlet 130 in rinse bath 100 bottoms.Can collect by powder collection groove 132 as shown in Figure 4 through the powder of removing soluble constituent and containing the indissoluble component that powder relief outlet 130 is discharged.
According to above-mentioned embodiment of the present invention, described controller can use negative pressure of vacuum or the 420 red-tape operati times of timer in the pipeline 250, and can use it periodically to control vacuum take-off and back scrubbing.
In addition, described controller may command solvent and contain soluble constituent and the supply of the powder of indissoluble component with according to as the condition of the content of each component, granularity and soluble constituent and controlling automatically, but itself and this area common technology are more or less the same, and therefore do not describe in detail.
On the other hand, as shown in Figure 3, according to another embodiment of the present invention, can add be arranged on groove 100 bottoms and by external force with the bubble that produces be directed in the strainer 270 bubble generator commonly used 500 (for example, pneumatic pump), to prevent that powder is bonded at the surface on the strainer 270.
Described bubble generator 500 can be by user manual operations or by the signal control of function unit 400.
The present invention is applicable to the desalination of salt and fluorescent material.In addition, for the chemical machinery CMP slurry of the powder with small grain size, the present invention is better than the known precipitator method and can be used for washing toning agent, but is not limited to this.
Powder described here can be polymer powder (dyestuff, toning agent etc.) or oxide powder (source dust, fluorescence, CMP powder, pigment etc.).When soluble constituent was salt, solvent can be a water; When soluble constituent was organic soluble material, solvent can be methyl alcohol, ethanol, acetone, hexane or ether, but also is not limited thereto.
Claims (18)
1. the device of the powder of soluble constituent has been removed in a collection, and it comprises:
Rinse bath, it has inner spatial accommodation;
Powder supplier, the powder that it is arranged on described rinse bath top and contains soluble constituent and indissoluble component to this rinse bath supply;
Solvent supplier, the solvent that it is arranged on described rinse bath top and is used for dissolving the soluble constituent that described powder contains to this rinse bath supply;
Pipeline, one end are arranged in the described rinse bath and the other end is arranged on outside this rinse bath;
Strainer, it is arranged on the end of the pipeline in the described rinse bath;
Pump, it links to each other with the outer end of described pipeline and apply negative pressure of vacuum in this pipeline when opening;
Backflushing system, it is injected into solvent in the described strainer by described pipeline, from this strainer, to remove the powder of removing soluble constituent that when described soluble constituent is dissolved in this solvent, during described pump suction, is bonded on this strainer, before this, the described powder that contains soluble constituent and indissoluble component mixes in described rinse bath with this solvent;
The powder relief outlet, it is arranged on the rinse bath bottom and the described powder of having removed soluble constituent is discharged outside the rinse bath; With
Controller, it controls described pump, backflushing system and powder relief outlet respectively.
2. device according to claim 1, this device further comprises:
Bubble generator, it is arranged on the bottom of the strainer in the described rinse bath, produces bubble and also this bubble is directed in this strainer.
3. device according to claim 1, this device further comprises:
Agitator, it is arranged in the described rinse bath and the described powder that contains soluble constituent and indissoluble component is mixed with described solvent phase.
4. device according to claim 1, this device further comprises:
The solvent supply valve, it is arranged on the described solvent supplier and controls the flow velocity that is fed to the solvent in the described rinse bath.
5. device according to claim 1, wherein, described backflushing system comprises:
First close/open valve, it is arranged on the pipeline between described strainer and the pump, and regulates the flow that flows to the solvent this pump from this strainer by opening and closing according to the control of described controller; With
Second close/open valve, it is arranged between described first close/open valve and the strainer, and regulates flow by the solvent of described pipeline supply in the described strainer according to the control of described controller by opening and closing.
6. device according to claim 5, wherein, described backflushing system further comprises:
Back scrubbing solvent supply pipeline, the one end links to each other with described solvent supplier, and the other end links to each other with described pipeline, and be provided with described second close/open valve,
Wherein, when described first close/open valve is closed and described second close/open valve when opening, described back scrubbing solvent supply pipeline is directed to the solvent in the described solvent supplier in the described pipeline, so that the solvent in this solvent supplier flows in the described strainer by this pipeline.
7. device according to claim 1, wherein, described controller comprises function unit, to change the operation of described pump and backflushing system, this preset data value depends on described composition and the content that contains the powder of soluble constituent and indissoluble component and join the solvent in the described rinse bath according to preset data value output control signal for it.
8. device according to claim 7, wherein, the vacuum take-off time that described controller calculates described pump according to the preset data value of function unit, and be input to by the data that will calculate and use this timer periodically to control back scrubbing with master mode in the timer.
9. device according to claim 1, wherein, described controller comprises:
Pressure transmitter, it responds to the vacuum pressure in the described pipeline; With
Function unit is opened described backflushing system when its pressure in the pipeline of being sensed by described pressure transmitter is lower than preset pressure.
10. device according to claim 9, wherein, the pressure default by described function unit is-0.8kg/cm
2
11. device according to claim 1, it further comprises:
Powder efflux time proofing unit, it detects the efflux time of the powder of removing soluble constituent of discharging by described powder relief outlet; With
Outlet valve, it is arranged on described powder relief outlet,
Wherein, described controller opens or cuts out described powder relief outlet according to the data that detected by described powder efflux time proofing unit by controlling described outlet valve.
12. device according to claim 11, wherein, described powder efflux time proofing unit is any in pH value measurement component and the conductance instrument, and described pH value measurement component is measured the pH value of the solution that contains soluble constituent in the described rinse bath; Described conductance instrument is measured the specific conductivity that contains the solution of soluble constituent in this rinse bath.
13. device according to claim 12, wherein, when the pH value of solution in the rinse bath of being measured by described pH value measurement component during for preset standard pH value, described controller is opened described outlet valve so that the described powder of having removed soluble constituent is discharged by described powder relief outlet.
14. device according to claim 12, wherein, when the specific conductivity of being measured by described conductance instrument was the preset standard specific conductivity, described controller was opened described outlet valve so that the described powder of having removed soluble constituent is discharged by described powder relief outlet.
15. device according to claim 1, this device further comprises:
The powder collection groove, it is arranged under the described powder relief outlet, and collects the powder of removing soluble constituent of discharging by described powder relief outlet.
16. the method for the powder of soluble constituent has been removed in a collection, it comprises the steps:
(a) powder and the solvent that will contain soluble constituent and indissoluble component injects rinse bath to remove soluble constituent from this powder, before this, this powder that contains soluble constituent and indissoluble component mixes with the solvent phase of the soluble constituent that is used for dissolving this powder, and then this soluble constituent is dissolved in this solvent;
(b) when the soluble constituent in the described powder is dissolved in solvent in the described rinse bath, discharge the solvent that comprises the soluble constituent in this powder by pipeline, use pump and strainer vacuum take-off simultaneously and filter this solvent;
(c) when the powder of removing soluble constituent is bonded on the described filter surfaces, by described pipeline to the reverse injection solvent of this strainer and back scrubbing, from this strainer, to remove the powder that this has removed soluble constituent; With
(d) by being discharged, the described powder of having removed soluble constituent collects the powder that this has removed soluble constituent outside the described rinse bath,
Wherein, step (a) to (d) is controlled by function unit
17. method according to claim 16, this method further comprises:
Step (a) uses the agitator be installed in the described rinse bath to be stirred in powder that contains soluble constituent and indissoluble component and described solvent in this rinse bath afterwards.
18. method according to claim 16, wherein, step (c) afterwards, described function unit uses the powder efflux time proofing unit that can detect the efflux time that receives the powder of having removed soluble constituent in the described rinse bath to measure and receives the efflux time of having removed the powder of soluble constituent in this rinse bath, and in efflux time, this powder of having removed soluble constituent is discharged outside this rinse bath, and repeating step (b) and (c) in the time beyond the efflux time.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2005-0079883 | 2005-08-30 | ||
| KR1020050079883 | 2005-08-30 | ||
| KR20050079883 | 2005-08-30 | ||
| KR1020060013630 | 2006-02-13 | ||
| KR20060013630 | 2006-02-13 | ||
| KR10-2006-0013630 | 2006-02-13 | ||
| PCT/KR2006/003431 WO2007027053A1 (en) | 2005-08-30 | 2006-08-30 | Gathering method and apparatus of powder separated soluble component |
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| CN101151218A CN101151218A (en) | 2008-03-26 |
| CN101151218B true CN101151218B (en) | 2010-09-08 |
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| KR100733691B1 (en) | 2005-08-30 | 2007-06-29 | 주식회사 엘지화학 | A filtering apparatus |
| CN108624340A (en) * | 2017-03-16 | 2018-10-09 | 邢台旭阳科技有限公司 | Wet method coke pressure quenching system and coke quenching method |
| KR102150884B1 (en) * | 2018-12-04 | 2020-09-03 | 한국세라믹기술원 | Automation type powder washing device system for synthesis of high furity powder |
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| CN1493533A (en) * | 2003-08-08 | 2004-05-05 | 朱作远 | Yellow ginger acid spliting waste water resource utilization technique |
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| JPS6079518U (en) | 1983-11-02 | 1985-06-03 | 塚本 英雄 | Indoor air purification deodorizing filter |
| JPH0796115A (en) * | 1993-09-27 | 1995-04-11 | Denki Kagaku Kogyo Kk | Three-dimensional filter and its production |
| KR960001399A (en) * | 1994-06-22 | 1996-01-25 | 한정진 | Door lock driving device using car burglar alarm |
| KR0127535B1 (en) * | 1994-12-06 | 1997-12-29 | 이무석 | Water tank with filter |
| KR19980051300A (en) * | 1996-12-23 | 1998-09-15 | 우덕창 | Manufacturing method of ceramic filter with different pore characteristics in thickness direction |
| KR100225426B1 (en) * | 1997-03-19 | 1999-10-15 | 조민호 | Polymer composition for porous filtering material, its preparation method |
| KR200161154Y1 (en) * | 1997-03-31 | 1999-11-15 | 염동섭 | Apparatus for purifying sewage |
| KR100274759B1 (en) * | 1998-03-16 | 2000-12-15 | 이규철 | Microfiltration method and system using textile hose |
| KR100330599B1 (en) * | 2000-03-09 | 2002-03-29 | 남명환 | Porous deodorizing filter and its manufucturing method |
| KR100593383B1 (en) * | 2001-08-24 | 2006-06-28 | 엘지전자 주식회사 | Dust filter for vacuum cleaner |
| KR100639885B1 (en) * | 2002-08-28 | 2006-10-30 | 진길웅 | filter device for water purifier |
| KR100572370B1 (en) * | 2003-03-12 | 2006-04-18 | 김병기 | Low turbidity turbidity measuring device and its measuring method |
| KR100538637B1 (en) * | 2003-05-07 | 2005-12-26 | 효림산업주식회사 | Density-adjustable Fibrous Filter |
| KR100571100B1 (en) * | 2003-11-10 | 2006-04-14 | 주식회사 고려산업 | Filtration Plate for using Line and Filtration Appartus for use in such Filtration Plate |
| KR100733691B1 (en) | 2005-08-30 | 2007-06-29 | 주식회사 엘지화학 | A filtering apparatus |
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| KR20070025920A (en) | 2007-03-08 |
| KR100650136B1 (en) | 2006-11-28 |
| KR100727739B1 (en) | 2007-06-13 |
| KR20070025928A (en) | 2007-03-08 |
| KR20070025918A (en) | 2007-03-08 |
| KR100680312B1 (en) | 2007-02-08 |
| CN101151218A (en) | 2008-03-26 |
| KR100733691B1 (en) | 2007-06-29 |
| KR20070025919A (en) | 2007-03-08 |
| KR100727740B1 (en) | 2007-06-13 |
| KR100744916B1 (en) | 2007-08-01 |
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