CN113082809B - Bubbling stirring type nano powder cleaning and filtering device and method - Google Patents
Bubbling stirring type nano powder cleaning and filtering device and method Download PDFInfo
- Publication number
- CN113082809B CN113082809B CN202110383252.7A CN202110383252A CN113082809B CN 113082809 B CN113082809 B CN 113082809B CN 202110383252 A CN202110383252 A CN 202110383252A CN 113082809 B CN113082809 B CN 113082809B
- Authority
- CN
- China
- Prior art keywords
- kettle
- filtering
- storage tank
- bubbling
- liquid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 165
- 238000003756 stirring Methods 0.000 title claims abstract description 67
- 230000005587 bubbling Effects 0.000 title claims abstract description 51
- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 239000011858 nanopowder Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 11
- 239000007788 liquid Substances 0.000 claims abstract description 130
- 238000003860 storage Methods 0.000 claims abstract description 48
- 238000005406 washing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 238000007664 blowing Methods 0.000 claims abstract description 5
- 239000000843 powder Substances 0.000 claims abstract description 4
- 241000197194 Bulla Species 0.000 claims abstract 5
- 208000002352 blister Diseases 0.000 claims abstract 5
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000000706 filtrate Substances 0.000 claims description 13
- 238000005086 pumping Methods 0.000 claims description 13
- 230000007797 corrosion Effects 0.000 claims description 5
- 238000005260 corrosion Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000010964 304L stainless steel Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims 1
- 239000002086 nanomaterial Substances 0.000 abstract description 9
- 239000000047 product Substances 0.000 description 9
- 238000011085 pressure filtration Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 239000012535 impurity Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000011086 high cleaning Methods 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
Images
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
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- 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
- B01D29/76—Handling the filter cake in the filter for purposes other than for regenerating
- B01D29/80—Handling the filter cake in the filter for purposes other than for regenerating for drying
- B01D29/82—Handling the filter cake in the filter for purposes other than for regenerating for drying by compression
-
- 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
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/102—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration with means for agitating the liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
- B08B3/106—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by boiling the liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a bubbling stirring type nano powder cleaning and filtering device and a method, belonging to the technical field of nano material washing and filtering, and comprising a vacuum liquid storage tank and a filtering kettle with a stirrer, wherein the top of the filtering kettle is provided with a pressurizing port, a liquid inlet and a cleaning liquid inlet, the bottom of the filtering kettle is provided with a liquid outlet, and an internal cavity of the filtering kettle is communicated with the internal cavity of the vacuum liquid storage tank through a liquid discharge pipeline connected to the liquid outlet; the stirrer comprises a driving motor, a stirring roller and a stirring paddle, the stirring roller is inserted into the inner cavity of the filtering kettle, the stirring paddle is arranged in the middle of the inner cavity of the filtering kettle through the stirring roller, and the driving motor drives the stirring paddle through the stirring roller; a filter plate is arranged at the lower part of the internal cavity of the filter kettle; be provided with the on-off valve among the flowing back pipeline to be provided with the tympanic bulla gas port on the flowing back pipeline between the liquid outlet of on-off valve and filtration cauldron bottom, can carry out reverse blowing in filtering the cauldron through the tympanic bulla gas port, carry out the tympanic bulla washing, be one kind have tympanic bulla and stirring function, have the characteristics that the cleaning efficiency is high, with low costs, convenient operation, and can be applicable to the nano-material washing filter equipment of the nanometer powder material of different products.
Description
Technical Field
The invention relates to the technical field of nano material washing and filtering, in particular to a bubbling stirring type nano powder cleaning and filtering device and method for raw silver powder.
Background
The nano-scale structural material is referred to as nano material (nanometer material) for short, and the size of the structural unit is in the range of 1 nanometer to 100 nanometers. Since its size is already close to the coherence length of the electrons, its properties vary greatly due to self-organization by strong coherence. Moreover, its dimensions are close to the wavelength of light, plus it has the special effect of a large surface, so that its properties, such as melting point, magnetic, optical, thermal, electrical conductivity, etc., are often different from the properties that the substance exhibits in its bulk state.
The broad scope of nanotechnology can include nanomaterial technology and nanofabrication technology, nanometering technology, nanoapplication technology, and the like. Wherein the nanometer material technology focuses on the production of nanometer functional materials (superfine powder, coating, nanometer modified materials and the like), performance detection technology (chemical composition, microstructure, surface morphology, physical, chemical, electrical, magnetic, thermal, optical and the like), and the like.
However, since the characteristics of the nano material are different from the properties of the material in the integral state, when the material is processed, special equipment and tools are often needed to be matched, and the conventional equipment for processing the particle material is difficult to be directly applied, for example, in the silver powder processing process, after the raw material silver powder is produced from a production workshop, the raw material silver powder needs to be washed and cleaned to remove impurities, and then is subjected to subsequent processing and utilization.
Disclosure of Invention
The invention aims to provide a nano material cleaning and filtering device which has bubbling and stirring functions, has the characteristics of high cleaning efficiency, low cost and convenience in operation and can be suitable for nano-scale powder materials of different products, aiming at overcoming the defects of the prior art.
The invention provides a bubbling stirring type nano powder cleaning and filtering device which comprises a vacuum liquid storage tank and a filtering kettle with a stirrer, wherein a pressurizing port, a liquid inlet and a cleaning liquid inlet are formed in the top of the filtering kettle, silver powder which is just reduced from a reaction kettle is placed in the filtering kettle, water and the cleaning liquid are respectively added into the filtering kettle from the liquid inlet and the cleaning liquid inlet, the pressurizing port is used for pressurizing the filtering kettle to help cleaning and filtering, and a liquid outlet is formed in the bottom of the filtering kettle;
the kettle body of the filtering kettle comprises a kettle body at the upper half part and a kettle bottom at the bottom, the kettle bottom is detachably arranged at the bottom of the kettle body, the liquid outlet is arranged at the bottom of the kettle, a pneumatic/hydraulic lifting device for driving the kettle body of the kettle body and the kettle bottom to move oppositely is arranged at the outer side of the filtering kettle, the pneumatic/hydraulic lifting device can control the pressure of the air cylinder to enable the telescopic arm to lift up and down, the pneumatic/hydraulic lifting device comprises a pneumatic/hydraulic telescopic rod driven by the pneumatic/hydraulic cylinder, the pneumatic/hydraulic cylinder is fixedly connected with the kettle body of the filtering kettle, the pneumatic/hydraulic telescopic rod is fixedly connected with the kettle bottom of the filtering kettle, and the filtering kettle is integrally fixed on the support through the pneumatic/hydraulic cylinder;
the inner cavity of the filtering kettle is communicated with the inner cavity of the vacuum liquid storage tank through a liquid discharge pipeline connected to the liquid outlet; the stirrer comprises a driving motor, a stirring roller and a stirring paddle, wherein the driving motor is arranged in the middle of the top of the filtering kettle through a mounting bracket, the stirring roller is vertically arranged in the middle of the top of the filtering kettle in a penetrating manner through a sealed rotating bearing, a roller body of the stirring roller extends into a hollow cavity of the filtering kettle, the stirring paddle is arranged in the middle of the inner cavity of the filtering kettle through the stirring roller, and the driving motor drives the stirring paddle through the stirring roller; a filter plate is arranged on the bottom of the filtering kettle; an on-off valve is arranged in the liquid drainage pipeline, a bubbling gas adding port is arranged between the on-off valve on the liquid drainage pipeline and a liquid outlet at the bottom of the filtering kettle, and bubbling washing can be carried out by reversely blowing gas into the filtering kettle through the bubbling gas adding port.
Further, insert at the bottom of the cauldron body sets up, and the cauldron is at the bottom of including being used for inserting promptly side wall in the cauldron body, and the position that the side wall of the cauldron bottom contacted with cauldron body lateral wall is provided with airtight rubber ring, and the cauldron is at the bottom of inserting to the cauldron body through its side wall under pneumatic/hydraulic pressure elevating gear's the drive, can move in opposite directions at the bottom of the cauldron with the cauldron body to before the cauldron body breaks away from at the bottom of the cauldron, cauldron bottom and cauldron bottom side wall anyhow constitute complete airtight cavity space, provide a scope that can adjust for the inside cavity volume of filtering the cauldron in other words, conveniently realize the control to intracavity pressure.
Preferably, the top of the filtering kettle is also provided with an observation window, an access hole with a closed cover plate and a pressure gauge for displaying the pressure in the kettle, the observation window and the access hole are convenient for observation, installation, maintenance and other operations, and the pressure gauge detects in real time and displays the pressure in the kettle, so that the working pressure condition of the filtering kettle can be observed at any time.
Preferably, a plurality of filtering holes with the aperture of 0.1 to 10 microns are formed in the filtering plate, and the aperture of the filtering holes of the filtering plate can be selected according to the granularity of the silver powder.
Further, vacuum pumping port and filtrating inlet are arranged at the top of the vacuum liquid storage tank, one end of the liquid drainage pipeline is connected with the liquid outlet at the bottom of the filtering kettle, the other end of the liquid drainage pipeline is connected with the filtrating inlet at the top of the vacuum liquid storage tank, and a liquid drainage port is arranged at the bottom of the vacuum liquid storage tank.
Furthermore, the liquid discharge pipeline is a rubber hose, the liquid discharge pipeline is connected with the filtering kettle and the vacuum liquid storage tank through the quick mounting and the ball valve, and therefore the liquid discharge pipeline is corrosion-resistant, attractive, elegant and convenient to detach.
Preferably, the tank bodies of the filtering kettle and the vacuum liquid storage tank are both made of 304L stainless steel, and the food-grade material is both corrosion resistance and rigidity.
The invention also provides a bubbling stirring type nano powder cleaning and filtering device corresponding to the device, which comprises the following steps:
step 1, closing an on-off valve on a liquid discharge pipeline to block a channel between a filtering kettle and a vacuum liquid storage tank, adding a nano powder material to be cleaned and filtered into a cavity of the filtering kettle, and then adding pure water from a liquid inlet of the filtering kettle;
step 2, starting a driving motor, driving a stirring paddle by the driving motor through a stirring roller to stir and mix the nano powder to be cleaned and filtered and the pure water in the cavity of the filtering kettle, simultaneously starting a bubbling and gas adding port arranged on a liquid discharge pipeline and between an on-off valve and a liquid outlet at the bottom of the filtering kettle, and bubbling and gas adding for washing for a set time through the bubbling and gas adding port;
step 3, closing the driving motor, closing the bubbling gas filling port, opening the on-off valve, then opening a vacuum pumping port on the vacuum liquid storage tank to vacuumize the vacuum liquid storage tank, pumping liquid in the filtering kettle to the vacuum liquid storage tank by utilizing vacuum, filtering the liquid in the filtering kettle through a filter plate at the bottom of the filtering kettle, then feeding the filtrate into the vacuum liquid storage tank, and discharging the filtrate from a liquid outlet of the vacuum liquid storage tank;
step 4, repeating the steps 1 to 3 for at least 3 times until the conductivity of the filtrate discharged from the liquid outlet of the vacuum liquid storage tank is less than or equal to a set threshold value, and continuing to perform the step 5;
and 5, closing a vacuum pumping port on the vacuum liquid storage tank, opening a pressurizing port on the filtering kettle to pressurize the filtering kettle, extruding redundant water in the filtered nano powder in the filtering kettle through positive pressure until the water content in the nano powder is reduced to a set threshold value, closing the pressurizing port, starting a pneumatic/hydraulic lifting device to drive the kettle body and the kettle bottom of the filtering kettle body to move oppositely until the kettle body and the kettle bottom are separated to expose the filter plate, and taking down the nano powder on the filter plate.
Further, in the step 2, if the pressure inside the filtering kettle exceeds a set threshold value in the bubbling, aerating and washing process, the pneumatic/hydraulic lifting device is started to drive the upper half part and the lower half part of the kettle body of the filtering kettle to move oppositely to increase the volume of the cavity inside the filtering kettle.
Preferably, in the step 2, the filter kettle is washed for at least 30 minutes by bubbling air into the filter kettle through the bubbling air inlet.
Preferably, in the step 4, the set threshold value of the conductivity is 20 μ s/cm.
Compared with the prior art, the technical scheme of the invention at least has the following advantages:
(1) The scheme of the invention can be used for cleaning the nano-powder product on a large scale without manual stirring or replacing filter cloth or filter paper.
(2) The scheme of the invention utilizes the back-blowing gas and can repeatedly utilize the filter plate.
(3) According to the scheme, in the cleaning process, bubbling washing or stirring washing can be selected according to the granularity of the silver powder of different products, the reduced silver powder in the filtering kettle is dispersed and washed by bubbling and stirring, the silver powder aggregate can be effectively solved by fully washing, ions or other impurities attached to the silver powder can be effectively removed by pure water cleaning, and the purity of the silver powder is improved.
(4) According to the scheme, positive pressure filtration or negative pressure suction filtration can be selected according to the granularity of the silver powder of different products in the filtration process, and the upper part of the filtration kettle can be pressurized by an air compressor, so that filtrate filtration is realized, and the application range of the equipment to the products is greatly improved.
(5) The scheme of the invention integrates bubbling washing and stirring washing, and adopts a mode of combining positive pressure filtration and negative pressure filtration, so that the silver powder in the filtering kettle can be completely washed without dead corners, the hydraulic device is convenient to unload, and the washed nano material can be filtered according to requirements without cake formation and compaction, thereby facilitating the operation of subsequent working sections.
Drawings
The foregoing and following detailed description of the invention will be apparent when read in conjunction with the following drawings, in which:
FIG. 1 is a schematic structural view of the present invention;
in the figure:
1. filtering the kettle; 2. a pneumatic/hydraulic lifting device; 3. a filter plate; 4. a stirring paddle; 5. a pressurizing port; 6. a drive motor; 7. a bubbling air adding port; 8. a valve is switched on and off; 9. a vacuum liquid storage tank; 10. a vacuum pumping port; 11. a liquid discharge port; 12. and (4) stirring rollers.
Detailed Description
The technical solutions for achieving the objects of the present invention are further illustrated by the following specific examples, and it should be noted that the technical solutions claimed in the present invention include, but are not limited to, the following examples.
Example 1
As a basic technical solution of the apparatus of the present invention, the present embodiment discloses a bubbling stirring type nano powder cleaning and filtering apparatus, as shown in fig. 1, including a vacuum liquid storage tank 9 and a filtering kettle 1 with a stirrer, the top of the filtering kettle 1 is provided with a pressurization port 5, a liquid inlet and a cleaning liquid inlet, silver powder which has just been reduced from a reaction kettle is placed in the filtering, water and cleaning liquid are respectively added into the filtering kettle 1 from the liquid inlet and the cleaning liquid inlet, the pressurization port 5 is used for pressurizing the filtering kettle 1 to help cleaning and filtering, and the bottom of the filtering kettle 1 is provided with a liquid outlet;
the device comprises a filtering kettle 1, wherein a kettle body of the filtering kettle 1 comprises an upper half part and a lower half part which are nested with each other, the upper half part and the lower half part can move in a telescopic manner, the size of an internal cavity of the filtering kettle can be adjusted by adjusting the positions of the upper half part and the lower half part of the kettle body, a pneumatic/hydraulic lifting device 2 for driving the telescopic movement between the upper half part and the lower half part of the kettle body is arranged outside the filtering kettle 1, a telescopic arm can be lifted up and down by controlling the pressure of a cylinder through the pneumatic/hydraulic lifting device, the pneumatic/hydraulic lifting device 2 comprises a pneumatic/hydraulic telescopic rod driven by a pneumatic/hydraulic cylinder, the pneumatic/hydraulic cylinder is fixedly connected with the upper half part of the filtering kettle 1, the pneumatic/hydraulic telescopic rod is fixedly connected with the lower half part of the filtering kettle 1, and the filtering kettle 1 is integrally fixed on a support through the pneumatic/hydraulic cylinder;
the inner cavity of the filtering kettle 1 is communicated with the inner cavity of the vacuum liquid storage tank 9 through a liquid discharge pipeline connected to the liquid outlet; the stirrer comprises a driving motor 6, a stirring roller 12 and a stirring paddle 4, wherein the driving motor 6 is arranged in the middle of the top of the filtering kettle 1 through a mounting bracket, the stirring roller 12 is vertically arranged in the middle of the top of the filtering kettle 1 through a sealing rotary bearing in a penetrating manner, a roller body of the stirring roller 12 extends into a hollow cavity of the filtering kettle 1, the stirring paddle 4 is arranged in the middle of the inner cavity of the filtering kettle through the stirring roller 12, and the driving motor 6 drives the stirring paddle 4 through the stirring roller 12; a filter plate 3 is arranged at the bottom of the filtering kettle; an on-off valve 8 is arranged in the liquid drainage pipeline, a bubbling air adding port 7 is arranged between the liquid drainage pipeline, the on-off valve 8 and a liquid outlet at the bottom of the filtering kettle 1, and bubbling washing can be carried out by reversely blowing air into the filtering kettle 1 through the bubbling air adding port 7.
The device of the embodiment can be used for cleaning the nano-powder product on a large scale without manual stirring or replacing filter cloth or filter paper, and has the structure that back-flushing gas is utilized, and a filter plate can be reused; in the cleaning process, bubbling washing or stirring washing can be selected according to the granularity of the silver powder of different products, the bubbling and stirring are adopted to disperse and wash the reduced silver powder in the filtering kettle 1, the washing is sufficient, the aggregate of the silver powder can be effectively solved, ions or other impurities attached to the silver powder are cleaned by pure water, the purity of the silver powder is improved, positive pressure filtration or negative pressure filtration can be selected according to the granularity of the silver powder of different products, the upper part of the filtering kettle 1 can be pressurized by an air compressor, and the filtration of filtrate is realized, so that the application range of the equipment to the products is greatly improved; the device integrates bubbling washing and stirring washing, and the mode of combining positive pressure filtration and negative pressure filtration can completely wash the silver powder in the filtering kettle 1 without dead angles, the hydraulic device is convenient to unload, and the washed nano material can be filtered according to requirements without cake formation and compaction, so that the subsequent working section operation is convenient.
Example 2
As a preferable technical solution of the present invention, on the basis of the technical solution of embodiment 1, further, the kettle bottom is inserted into the kettle body, that is, the kettle bottom includes a side wall for inserting into the kettle body, and an airtight rubber ring is disposed at a position where the side wall of the kettle bottom contacts with the side wall of the kettle body, the kettle bottom is inserted into the kettle body through the side wall, the kettle bottom and the kettle body can move in opposite directions under the driving of the pneumatic/hydraulic lifting device 2, and before the kettle bottom is separated from the kettle body, the kettle bottom and the side wall of the kettle bottom arbitrarily form a complete airtight cavity space, which is equivalent to provide an adjustable range for the internal cavity volume of the filtering kettle 1, thereby conveniently controlling the pressure in the cavity.
Preferably, filter 1 top of cauldron still is provided with observation window and the access hole that has airtight apron to and be used for showing the manometer of tank internal pressure, observation window and access hole are convenient for observe, operation such as installation and maintenance, and the manometer real-time detection is convenient for observe the operating pressure condition of filtering cauldron 1 at any time with showing tank internal pressure.
Preferably, a plurality of filtering holes with the aperture of 0.1 to 10 micrometers are formed in the filtering plate 3, and the aperture of the filtering holes of the filtering plate 3 can be selected according to the particle size of the silver powder.
Further, the top of the vacuum liquid storage tank 9 is provided with a vacuum pumping port 10 and a filtrate inlet, one end of the liquid discharge pipeline is connected with the liquid outlet at the bottom of the filtering kettle 1, the other end of the liquid discharge pipeline is connected with the filtrate inlet at the top of the vacuum liquid storage tank 9, and the bottom of the vacuum liquid storage tank 9 is provided with a liquid discharge port 11.
Further, the drainage pipeline is a rubber hose, the drainage pipeline is connected with the filtering kettle 1 and the vacuum liquid storage tank 9 through a quick assembly and a ball valve, and the filtering kettle is corrosion-resistant, attractive, elegant and convenient to detach.
Preferably, the filtering kettle 1 and the vacuum liquid storage tank 9 are both made of 304L stainless steel, and the food grade material is both corrosion resistance and rigidity.
Example 3
Corresponding to the technical solutions of the apparatuses in the above embodiments 1 and 2, the present invention further provides a bubbling stirring type nano powder cleaning and filtering apparatus, including the following steps:
step 1, closing an on-off valve 8 on a liquid drainage pipeline to block a channel between a filtering kettle 1 and a vacuum liquid storage tank 9, adding a nano powder material such as silver powder which is just reduced from a reaction kettle into a cavity of the filtering kettle 1, and then adding pure water from a liquid inlet of the filtering kettle 1;
step 2, starting a driving motor 6, driving the stirring paddle 4 to stir and mix the silver powder and the pure water in the cavity of the filtering kettle 1 by the driving motor 6 through a stirring roller 12, simultaneously starting a bubbling and gas adding port 7 arranged on the liquid discharge pipeline and between the on-off valve 8 and a liquid outlet at the bottom of the filtering kettle 1, and bubbling and gas adding for washing for a set time through the bubbling and gas adding port 7;
step 3, closing the driving motor 6, closing the bubbling gas adding port 7, opening the on-off valve 8, then opening a vacuum pumping port 10 on the vacuum liquid storage tank 9 to vacuumize the vacuum liquid storage tank 9, pumping liquid in the filtering kettle 1 to the vacuum liquid storage tank 9 by utilizing vacuum, filtering the liquid in the filtering kettle through a filter plate 3 at the bottom of the filtering kettle 1, then feeding the filtered liquid into the vacuum liquid storage tank 9, and discharging the filtered liquid from a liquid discharging port 11 of the vacuum liquid storage tank 9;
step 4, repeating the steps 1 to 3 for at least 3 times until the conductivity of the filtrate discharged from the liquid outlet 11 of the vacuum liquid storage tank 9 is less than or equal to a set threshold value, and continuing to perform the step 5;
and 5, closing the vacuum pumping port 10 on the vacuum liquid storage tank 9, opening the pressurizing port 5 on the filtering kettle 1 to pressurize the filtering kettle 1, extruding redundant water in the silver powder filtered in the filtering kettle 1 through positive pressure until the water content in the silver powder is reduced to be below a set threshold value, closing the pressurizing port 5, starting the pneumatic/hydraulic lifting device 2 to drive the kettle body and the kettle bottom of the kettle body of the filtering kettle 1 to move oppositely until the kettle body and the kettle bottom are separated to expose the filter plate, and taking down the silver powder on the filter plate.
Further, in the step 2, if the pressure inside the filtering kettle 1 exceeds a set threshold value in the bubbling, aerating and washing process, the pneumatic/hydraulic lifting device 2 is started to drive the upper half part and the lower half part of the kettle body of the filtering kettle 1 to move oppositely to increase the volume of the cavity inside the filtering kettle 1.
Preferably, in the step 2, the filter kettle 1 is washed by bubbling air through the bubbling air inlet 7 for at least 30 minutes.
Preferably, in the step 4, the set threshold value of the conductivity is 20 mus/cm.
Claims (7)
1. The utility model provides a tympanic bulla stirring formula nanometer powder washs filter equipment which characterized in that: the device comprises a vacuum liquid storage tank (9) and a filtering kettle (1) with a stirrer, wherein a pressurizing port (5), a liquid inlet and a cleaning liquid inlet are arranged at the top of the filtering kettle (1), and a liquid outlet is arranged at the bottom of the filtering kettle (1);
the kettle body of the filtering kettle (1) comprises a kettle body at the upper half part and a kettle bottom at the bottom, the kettle bottom is detachably arranged at the bottom of the kettle body, the liquid outlet is arranged at the bottom of the kettle, a pneumatic/hydraulic lifting device (2) for driving the kettle body of the kettle body and the kettle bottom to move oppositely is arranged at the outer side of the filtering kettle (1), the pneumatic/hydraulic lifting device (2) comprises a pneumatic/hydraulic telescopic rod driven by a pneumatic/hydraulic cylinder, the pneumatic/hydraulic cylinder is fixedly connected with the kettle body of the filtering kettle (1), the pneumatic/hydraulic telescopic rod is fixedly connected with the kettle bottom of the filtering kettle (1), and the filtering kettle (1) is integrally fixed on a support through the pneumatic/hydraulic cylinder; the kettle bottom is inserted into the kettle body, namely the kettle bottom comprises a side wall which is inserted into the kettle body, an airtight rubber ring is arranged at the position where the side wall of the kettle bottom is contacted with the side wall of the kettle body, and the kettle bottom is inserted into the kettle body through the side wall of the kettle bottom;
the inner cavity of the filtering kettle (1) is communicated with the inner cavity of the vacuum liquid storage tank (9) through a liquid drainage pipeline connected to the liquid outlet; the stirrer comprises a driving motor (6), a stirring roller (12) and a stirring paddle (4), wherein the driving motor (6) is arranged in the middle of the top of the filtering kettle (1) through a mounting bracket, the stirring roller (12) vertically runs through a sealed rotating bearing and is arranged in the middle of the top of the filtering kettle (1), a roller body of the stirring roller (12) extends into a hollow cavity of the filtering kettle (1), the stirring paddle (4) is arranged in the middle of the inner cavity of the filtering kettle through the stirring roller (12), and the driving motor (6) drives the stirring paddle (4) through the stirring roller (12); a filter plate (3) is arranged on the kettle bottom of the filtering kettle (1); an on-off valve (8) is arranged in the liquid drainage pipeline, a bubbling air adding port (7) is arranged on the liquid drainage pipeline and between the on-off valve (8) and a liquid outlet at the bottom of the filtering kettle (1), and reverse air blowing is carried out in the filtering kettle (1) through the bubbling air adding port (7) to carry out bubbling washing;
a plurality of filter holes with the aperture of 0.1 to 10 micrometers are formed in the filter plate (3); a vacuum pumping and pressing port (10) and a filtrate inlet are formed in the top of the vacuum liquid storage tank (9), one end of the liquid drainage pipeline is connected with a liquid outlet in the bottom of the filtering kettle (1), the other end of the liquid drainage pipeline is connected with the filtrate inlet in the top of the vacuum liquid storage tank (9), and a liquid drainage port (11) is formed in the bottom of the vacuum liquid storage tank (9); the liquid drainage pipeline is a rubber hose, and the liquid drainage pipeline is connected with the filtering kettle (1) and the vacuum liquid storage tank (9) through a quick assembly and a ball valve.
2. The bubbling stirring type nano powder cleaning and filtering device according to claim 1, wherein: the top of the filtering kettle (1) is also provided with an observation window, an access hole with a closed cover plate and a pressure gauge for displaying the pressure in the tank.
3. The bubbling stirring type nano powder cleaning and filtering device according to claim 1, wherein: the filtering kettle (1) and the vacuum liquid storage tank (9) are both made of 304L stainless steel, and the food-grade material is corrosion-resistant and rigid.
4. A bubbling stirring type nano powder cleaning and filtering method is characterized by comprising the following steps:
step 1, closing an on-off valve (8) on a liquid discharge pipeline to block a channel between a filtering kettle (1) and a vacuum liquid storage tank (9), adding a nano powder material to be cleaned and filtered into a cavity of the filtering kettle (1), and then adding pure water from a liquid inlet of the filtering kettle (1);
step 2, starting a driving motor (6), driving the stirring paddle (4) to stir and mix the nano powder to be cleaned and filtered and the pure water in the cavity of the filtering kettle (1) by the driving motor (6) through a stirring roller (12), simultaneously starting a bubbling and gas adding port (7) arranged on a liquid discharge pipeline, between an on-off valve (8) and a liquid outlet at the bottom of the filtering kettle (1), and bubbling and gas adding for washing for a set time through the bubbling and gas adding port (7);
step 3, closing the driving motor (6), closing the bubbling gas inlet (7), opening the on-off valve (8), then opening a vacuum pumping port (10) on the vacuum liquid storage tank (9) to vacuumize the vacuum liquid storage tank (9), pumping liquid in the filtering kettle (1) to the vacuum liquid storage tank (9) by utilizing vacuum, filtering the liquid in the filtering kettle through a filter plate (3) at the bottom of the filtering kettle (1), then feeding filtrate into the vacuum liquid storage tank (9), and discharging the filtrate from a liquid outlet (11) of the vacuum liquid storage tank (9);
step 4, repeating the steps 1 to 3 for at least 3 times until the conductivity of the filtrate discharged from the liquid outlet (11) of the vacuum liquid storage tank (9) is less than or equal to a set threshold value, and continuing to perform the step 5;
and step 5, closing a vacuum pumping pressure port (10) on the vacuum liquid storage tank (9), opening a pressure port (5) on the filtering kettle (1) to pressurize the filtering kettle (1), extruding redundant water in the filtered nano powder in the filtering kettle (1) through positive pressure until the water content in the nano powder is reduced to a value below a set threshold value, closing the pressure port (5), starting a pneumatic/hydraulic lifting device (2) to drive the kettle body of the filtering kettle (1) to move in opposite directions until the kettle body and the kettle bottom are separated to expose the filter plate, and taking down the silver powder on the filter plate.
5. The method for cleaning and filtering nano-powder by bubbling stirring as claimed in claim 4, wherein: in the step 2, if the pressure in the filtering kettle (1) exceeds a set threshold value in the bubbling, air-entrapping and washing process, starting the pneumatic/hydraulic lifting device (2) to drive the upper half part and the lower half part of the kettle body of the filtering kettle (1) to move oppositely to increase the volume of the internal cavity of the filtering kettle (1).
6. The method for cleaning and filtering the bubbling stirring type nano powder as claimed in claim 4 or 5, wherein: and in the step 2, the filter kettle (1) is bubbled and aerated through a bubbling and aerating port (7) for washing for at least 30 minutes.
7. The method for cleaning and filtering the bubbling stirring type nano powder as claimed in claim 4 or 5, wherein: in the step 4, the set threshold value of the conductivity is 20 mus/cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383252.7A CN113082809B (en) | 2021-04-09 | 2021-04-09 | Bubbling stirring type nano powder cleaning and filtering device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110383252.7A CN113082809B (en) | 2021-04-09 | 2021-04-09 | Bubbling stirring type nano powder cleaning and filtering device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113082809A CN113082809A (en) | 2021-07-09 |
| CN113082809B true CN113082809B (en) | 2022-12-16 |
Family
ID=76675661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110383252.7A Active CN113082809B (en) | 2021-04-09 | 2021-04-09 | Bubbling stirring type nano powder cleaning and filtering device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113082809B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042692B (en) * | 2021-11-12 | 2023-07-07 | 河南晶研智造科技有限公司 | Quick belt cleaning device of diamond miropowder |
| CN114797215B (en) * | 2022-05-17 | 2023-05-02 | 贵州医科大学附属医院 | Sorting and filtering device and method for tumor cell mass |
| CN114887978A (en) * | 2022-05-25 | 2022-08-12 | 泾县市场监督检验所(安徽省电机产品及零部件质量监督检验中心) | Stator environmental protection belt cleaning device of new forms of energy motor |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09271608A (en) * | 1996-04-05 | 1997-10-21 | Nippon Kankyo Res:Kk | Fluidized bed type filtration apparatus |
| JP2000239872A (en) * | 1999-02-25 | 2000-09-05 | Oriental Engineering Kk | Method and device for aqueous degreasing cleaning |
| JP2007029926A (en) * | 2005-07-29 | 2007-02-08 | Kobelco Eco-Solutions Co Ltd | Filter dryer |
| JP2008142617A (en) * | 2006-12-08 | 2008-06-26 | Chuo Kakoki Kk | Method for cleaning powder, and method for cleaning and drying therefor |
| JP2012217968A (en) * | 2011-04-13 | 2012-11-12 | Kansai Electric Power Co Inc:The | Wastewater treatment apparatus and method of washing wastewater treatment apparatus |
| CN104324679A (en) * | 2014-10-22 | 2015-02-04 | 常州市江南环保设备有限公司 | Chemical reaction kettle |
| CN204234101U (en) * | 2014-11-19 | 2015-04-01 | 济宁阳光化学有限公司 | A kind of 2-hydroxyl-3-naphthoic acid bubble type stirred autoclave |
| JP2017064574A (en) * | 2015-09-28 | 2017-04-06 | パナソニックＩｐマネジメント株式会社 | Water treatment apparatus |
| CN107970642A (en) * | 2018-01-16 | 2018-05-01 | 福建省林业科学研究院（福建省林业技术发展研究中心、福建省林业生产力促进中心、中国林业科学研究院海西分院） | A kind of percolate pot of the more phenol extractions of camellia oleifera fruit |
| CN208810013U (en) * | 2018-06-27 | 2019-05-03 | 上海利物盛企业集团有限公司 | One kind having both reaction, washing and filters integral multifunctional reaction kettle |
| WO2019212339A1 (en) * | 2018-05-04 | 2019-11-07 | Unikon B.V. | Method and machine for cleaning metal mesh type protective clothing |
| CN211935821U (en) * | 2019-11-28 | 2020-11-17 | 中国东方电气集团有限公司 | Online filter for coal water slurry |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003037477A1 (en) * | 2001-10-31 | 2003-05-08 | Pall Corporation | Backwashable filtration apparatus and method of backwashing filtration apparatus |
| TWI262827B (en) * | 2005-12-13 | 2006-10-01 | Ind Tech Res Inst | Cleaning device and method of bubble reaction |
| JP5165427B2 (en) * | 2007-03-23 | 2013-03-21 | 富士フイルム株式会社 | Solution casting method |
| CN201894882U (en) * | 2010-11-12 | 2011-07-13 | 上海华谊（集团）公司 | Continuous material washing device |
| CN201880464U (en) * | 2010-11-17 | 2011-06-29 | 东方电气集团东方锅炉股份有限公司 | Seawater desulfurizer |
| CN212141636U (en) * | 2018-08-17 | 2020-12-15 | 浙江欧琳生活健康科技有限公司 | Water purifier adopting micro-bubble backwashing |
| KR102110202B1 (en) * | 2018-09-18 | 2020-06-09 | 주식회사 삼에스코리아 | Apparatus and method for impurity removal of silica-based powder |
| CN210699717U (en) * | 2019-07-29 | 2020-06-09 | 嘉兴辰昊新材料科技有限公司 | Superfine powder dispersion stirring suction filtration washing all-in-one |
| CN212238394U (en) * | 2020-04-26 | 2020-12-29 | 深圳市夏特科技有限公司 | Washing suction filtration device and micro/nano particle continuous suction filtration washing device |
| CN212856919U (en) * | 2020-07-08 | 2021-04-02 | 浙江万里学院 | A separator for following acquire dragon fruit seed in dragon fruit lees |
| CN111974040A (en) * | 2020-07-30 | 2020-11-24 | 福建立亚化学有限公司 | Efficient washing and filtering method for chemical synthesis solid product |
-
2021
- 2021-04-09 CN CN202110383252.7A patent/CN113082809B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09271608A (en) * | 1996-04-05 | 1997-10-21 | Nippon Kankyo Res:Kk | Fluidized bed type filtration apparatus |
| JP2000239872A (en) * | 1999-02-25 | 2000-09-05 | Oriental Engineering Kk | Method and device for aqueous degreasing cleaning |
| JP2007029926A (en) * | 2005-07-29 | 2007-02-08 | Kobelco Eco-Solutions Co Ltd | Filter dryer |
| JP2008142617A (en) * | 2006-12-08 | 2008-06-26 | Chuo Kakoki Kk | Method for cleaning powder, and method for cleaning and drying therefor |
| JP2012217968A (en) * | 2011-04-13 | 2012-11-12 | Kansai Electric Power Co Inc:The | Wastewater treatment apparatus and method of washing wastewater treatment apparatus |
| CN104324679A (en) * | 2014-10-22 | 2015-02-04 | 常州市江南环保设备有限公司 | Chemical reaction kettle |
| CN204234101U (en) * | 2014-11-19 | 2015-04-01 | 济宁阳光化学有限公司 | A kind of 2-hydroxyl-3-naphthoic acid bubble type stirred autoclave |
| JP2017064574A (en) * | 2015-09-28 | 2017-04-06 | パナソニックＩｐマネジメント株式会社 | Water treatment apparatus |
| CN107970642A (en) * | 2018-01-16 | 2018-05-01 | 福建省林业科学研究院（福建省林业技术发展研究中心、福建省林业生产力促进中心、中国林业科学研究院海西分院） | A kind of percolate pot of the more phenol extractions of camellia oleifera fruit |
| WO2019212339A1 (en) * | 2018-05-04 | 2019-11-07 | Unikon B.V. | Method and machine for cleaning metal mesh type protective clothing |
| CN208810013U (en) * | 2018-06-27 | 2019-05-03 | 上海利物盛企业集团有限公司 | One kind having both reaction, washing and filters integral multifunctional reaction kettle |
| CN211935821U (en) * | 2019-11-28 | 2020-11-17 | 中国东方电气集团有限公司 | Online filter for coal water slurry |
Non-Patent Citations (2)
| Title |
|---|
| 微泡·纳米泡的基础及在洗涤中的应用;高桥正好;《中国洗涤用品工业》;20190531(第5期);第74-78页 * |
| 微纳米气泡技术在清洗领域的研究进展;廖正浩等;《化工管理》;20200630(第17期);第98-100页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113082809A (en) | 2021-07-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113082809B (en) | Bubbling stirring type nano powder cleaning and filtering device and method | |
| CN214913764U (en) | Bubbling stirring type nano powder cleaning and filtering device | |
| CN107475108A (en) | A kind of biofermentation tank body | |
| CN102133492B (en) | Filter press | |
| CN207872141U (en) | It is a kind of can exhaust gas purification and categorised collection product consersion unit | |
| CN210974060U (en) | Industrial wastewater treatment aeration filter | |
| CN207493570U (en) | A kind of device stirred for oil plant with filtering | |
| CN1966126A (en) | Integral device for washing and filtering | |
| CN211514273U (en) | Multi-shaft planet wheel vacuum stirrer | |
| CN211462257U (en) | 1-aminoanthraquinone secondary suction filtration equipment | |
| CN211105787U (en) | Vacuum filtering oil press | |
| CN210385034U (en) | Silica sol filtering device | |
| CN210674353U (en) | Pressure filter for silicon carbide micropowder | |
| CN215997797U (en) | Continuous belt cleaning device of agar powder | |
| CN219722593U (en) | Cosmetic material body homogenate and edulcoration system | |
| CN217163976U (en) | Rubber dispersant dilutes filter equipment | |
| CN111974040A (en) | Efficient washing and filtering method for chemical synthesis solid product | |
| CN214261729U (en) | High-performance automatic filter pressing equipment | |
| CN210521920U (en) | Suction filtration device of easily arranging material | |
| CN216497686U (en) | Device suitable for wash pressure filter | |
| CN217355019U (en) | Built-in screw locking oil cylinder | |
| CN215783341U (en) | Reation kettle that inorganic chemical raw materials trisodium phosphate preparation was used | |
| CN215276058U (en) | Filter equipment suitable for isooctanoic acid sodium salt in isooctanoic acid production | |
| CN208541892U (en) | The filter-pressing device of naphthalene water reducer or its homology dispersing agent | |
| CN212789955U (en) | Novel filter press |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |