CN110743705A - Automatic mixing and collecting process for new nano material - Google Patents

Automatic mixing and collecting process for new nano material Download PDF

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Publication number
CN110743705A
CN110743705A CN201910933633.0A CN201910933633A CN110743705A CN 110743705 A CN110743705 A CN 110743705A CN 201910933633 A CN201910933633 A CN 201910933633A CN 110743705 A CN110743705 A CN 110743705A
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nano
powder particles
particles
anode plate
nano powder
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CN201910933633.0A
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吕浩
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/02Plant or installations having external electricity supply
    • B03C3/04Plant or installations having external electricity supply dry type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/40Electrode constructions
    • B03C3/45Collecting-electrodes
    • B03C3/47Collecting-electrodes flat, e.g. plates, discs, gratings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/74Cleaning the electrodes
    • B03C3/76Cleaning the electrodes by using a mechanical vibrator, e.g. rapping gear ; by using impact
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B03SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03CMAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34Constructional details or accessories or operation thereof
    • B03C3/88Cleaning-out collected particles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00Sampling; Preparing specimens for investigation
    • G01N1/28Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
    • G01N1/34Purifying; Cleaning
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004Gaseous mixtures, e.g. polluted air
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0091Powders

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  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Pathology (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
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  • Food Science & Technology (AREA)
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  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Sampling And Sample Adjustment (AREA)

Abstract

The invention discloses an automatic mixing and collecting process of a new nano material, which comprises the following steps of; step 1: filling the nano powder particles and the carrier gas into a sealed primary collection bin; step 2: the nano powder particles and the carrier gas in the primary collection bin enter the electrostatic dust collector under the guidance of the air pipe to collect particles; step 2.1: when the nano powder particles and the carrier gas enter the electrostatic dust collector, the nano powder particles firstly pass through a discharge cathode, so that the nano powder particles are charged; step 2.2: the nano powder particles are contacted with the anode plate; step 2.3: the anode plate is vibrated at intervals, so that the nano particles on the anode plate are placed in a high-grade collection bin; and step 3: the carrier gas in the electrostatic dust collector is discharged into the water pool from the exhaust pipe under the action of the vacuum pump; and 4, step 4: the solution in the pond was replaced periodically. The automatic mixing and collecting process for the new nano material adopts the principle of electrostatic dust collection, and automatically collects nano particles.

Description

Automatic mixing and collecting process for new nano material
Technical Field
The invention relates to the technical field of nano material collection, in particular to an automatic mixing and collecting process for a new nano material.
Background
The method for producing and synthesizing the nano-materials comprises two major categories, namely a gas phase method and a liquid phase method, wherein the gas phase method comprises a laser method, an explosion wire method, a low-pressure heating evaporation method, a plasma heating method and the like, and the liquid phase method comprises a precipitation method, a sol-gel method, a radiation method and the like, and after the nano-particles are produced by adopting the two major categories, the collection method is divided into the two major categories, for example, the traditional collection method of the gas phase method is as follows: the method is characterized in that a rotating liquid nitrogen container-cold trap is used for changing gas-phase nano particles into solid state, when the cold trap rotates, a fixed scraper scrapes off the nano particles attached to the wall of the cold trap and falls into a container below, the collection method is intermittent, related parts must be opened each time collection is carried out, the operation is troublesome, mass production is not facilitated, meanwhile, in order to obtain necessary negative pressure, air must be continuously pumped in production to protect carrier gas or byproducts, therefore, 30% of finished products, namely nano materials, are pumped away along with the carrier gas, the yield is not only influenced, the particles float in the atmosphere and are difficult to settle, the air pollution is caused, and the method is particularly harmful to toxic or valuable products.
Aiming at the problems, the innovative design is carried out on the basis of the original automatic mixing and collecting process of the new nano material.
Disclosure of Invention
The invention aims to provide an automatic mixing and collecting process for a new nano material, which aims to solve the problems that the collection method for the new nano material is incomplete and does not have the function of automatic collection in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: an automatic mixing and collecting process for a new nano material comprises the following steps;
step 1: filling the nano powder particles and the carrier gas into a sealed primary collection bin;
step 2: the nano powder particles and the carrier gas in the primary collection bin enter the electrostatic dust collector under the guidance of the air pipe to collect particles;
step 2.1: when the nano powder particles and the carrier gas enter the electrostatic dust collector, the nano powder particles firstly pass through a discharge cathode, so that the nano powder particles are charged;
step 2.2: the charged nano powder particles continue to move under the action of the vacuum pump, so that the nano powder particles are contacted with the anode plate, and the nano powder particles are adsorbed on the anode plate, thereby completing the collection of the nano powder particles;
step 2.3: the anode plate is vibrated at intervals, so that the nano particles on the anode plate are placed in a high-grade collection bin;
and step 3: the carrier gas in the electrostatic dust collector is discharged into the water pool from the exhaust pipe under the action of the vacuum pump;
and 4, step 4: and (3) periodically replacing the solution in the water tank, simultaneously stirring the replaced solution easily, then extracting a part of the solution to dry, and observing whether the nano particles exist.
Preferably, the primary collection bin mentioned in step 1 is made of glass, and the primary collection bin is arranged at the end of the process for preparing nanoparticles by a gas phase method.
Preferably, the electrostatic precipitator mentioned in step 2 comprises a discharge cathode and an anode plate, and the anode plate and the electrostatic precipitator are of a detachable structure.
Preferably, the vibration source in step 2.3 is a small vibration motor, and the small vibration motor is electrically connected with a time relay.
Preferably, the advanced collection bin in the step 2.3 is arranged below the anode plate, the advanced collection bin and the electrostatic dust collector are in a detachable structure, and the anode plate is in an inclined structure.
Preferably, the solution in the water tank in the step 3 is three types of solvents, and the three types of solvents comprise acetic acid, acetone, methoxybenzene, n-butanol, sec-butanol, butyl acetate, tert-butyl methyl ether, isopropyl benzene, dimethyl sulfoxide, ethanol, ethyl acetate, diethyl ether, ethyl formate, formic acid, n-heptane, isobutyl acetate, isopropyl acetate, methyl acetate, 3-methyl-1-butanol and the like, and the water level of the water tank is higher than the exhaust pipe of the vacuum pump, and the pipe of the vacuum pump is placed in the solution in the water tank.
Compared with the prior art, the invention has the beneficial effects that: this automatic mixed collection technology of nanometer new material has adopted the principle of electrostatic absorption, the effectual nanometer granule of collecting, the use of small-size vibrating motor is being cooperated simultaneously, the effectual nanometer powder with on the anode plate is collected in senior collection storehouse, automatic design, make the device need not the manual work when using and operate, very big increase under the use of device, and set up the pond, the use of three types of solvents is being cooperated, can inspect whether exhaust carrier gas contains the nanometer powder, very big increase the practicality and the security of device.
Drawings
FIG. 1 is a schematic view of the anode plate and advanced collection bin configuration of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution: an automatic mixing and collecting process for a new nano material comprises the following steps;
step 1: filling the nano powder particles and the carrier gas into a sealed primary collection bin;
step 2: the nano powder particles and the carrier gas in the primary collection bin enter the electrostatic dust collector under the guidance of the air pipe to collect particles;
step 2.1: when the nano powder particles and the carrier gas enter the electrostatic dust collector, the nano powder particles firstly pass through a discharge cathode, so that the nano powder particles are charged;
step 2.2: the charged nano powder particles continue to move under the action of the vacuum pump, so that the nano powder particles are contacted with the anode plate, and the nano powder particles are adsorbed on the anode plate, thereby completing the collection of the nano powder particles;
step 2.3: the anode plate is vibrated at intervals, so that the nano particles on the anode plate are placed in a high-grade collection bin;
and step 3: the carrier gas in the electrostatic dust collector is discharged into the water pool from the exhaust pipe under the action of the vacuum pump;
and 4, step 4: periodically replacing the solution in the water tank, simultaneously stirring the replaced solution easily, then extracting a part of the solution, drying the part of the solution, and observing whether nano particles exist or not;
the primary collection bin mentioned in the step 1 is made of glass, and the primary collection bin is arranged at the tail end of the process of preparing the nano particles by a gas phase method, so that the nano particles and carrier gas are prevented from being polluted by air.
The electrostatic dust collector mentioned in the step 2 comprises a discharge cathode and an anode plate, and the anode plate and the electrostatic dust collector are of a detachable structure, so that subsequent collection of nano-powder particles is facilitated.
The vibration source in the step 2.3 is a small vibration motor, the small vibration motor is electrically connected with a time relay, and the design of a vibration structure enables the device to automatically collect the nano powder particles, so that the automation of the device is improved.
The advanced collection bin in the step 2.3 is arranged below the anode plate, the advanced collection bin and the electrostatic dust collector are of a detachable structure, and the anode plate is in an inclined structure, so that the collection of the nano powder particles is facilitated.
The solution in the water tank in the step 3 is three types of solvents, and the three types of solvents comprise acetic acid, acetone, methoxybenzene, n-butyl alcohol, sec-butyl alcohol, butyl acetate, tert-butyl methyl ether, isopropyl benzene, dimethyl sulfoxide, ethanol, ethyl acetate, diethyl ether, ethyl formate, formic acid, n-heptane, isobutyl acetate, isopropyl acetate, methyl acetate, 3-methyl-1-butanol and the like, the water surface height of the water tank is higher than the exhaust pipe of the vacuum pump, and the pipe of the vacuum pump is arranged in the solution in the water tank, so that the solvent is convenient to volatilize, the solution is convenient to dry, and the nano particles in the solution are extracted.
Example 1
The outlet of the nano-alumina particles and the carrier gas generated by the vapor phase method is connected with the primary collection bin, then under the action of a vacuum pump, the carrier gas and the nano-particles enter the electrostatic dust collector, the nano-particles pass through a discharge cathode, so that the nano-particles are electrified, the nano-particles are adsorbed on the anode plate, the anode plate periodically vibrates under the action of a small vibration motor, the nano-particles fall into the high-grade collection bin through vibration and are periodically discharged, the carrier gas is pumped away through the vacuum pump, and meanwhile, the carrier gas is filtered under the action of a water tank, so that the subsequent detection and inspection are facilitated.
Example 1
The outlet of the nano-material nano-silica particles generated by the vapor phase method and the outlet of the carrier gas are connected with the primary collection bin, then under the action of a vacuum pump, the carrier gas and the nano-particles enter the electrostatic dust collector, the nano-particles pass through the discharge cathode, so that the nano-particles are electrified, the nano-particles are adsorbed on the anode plate, the anode plate regularly vibrates under the action of a small vibration motor, the nano-particles fall into the high-grade collection bin through vibration and are regularly discharged, the carrier gas is pumped away through the vacuum pump, and meanwhile, the carrier gas is filtered under the action of a water tank, so that the subsequent detection and inspection are facilitated.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. An automatic mixing and collecting process for a new nano material is characterized in that: comprises the following steps;
step 1: filling the nano powder particles and the carrier gas into a sealed primary collection bin;
step 2: the nano powder particles and the carrier gas in the primary collection bin enter the electrostatic dust collector under the guidance of the air pipe to collect particles;
step 2.1: when the nano powder particles and the carrier gas enter the electrostatic dust collector, the nano powder particles firstly pass through a discharge cathode, so that the nano powder particles are charged;
step 2.2: the charged nano powder particles continue to move under the action of the vacuum pump, so that the nano powder particles are contacted with the anode plate, and the nano powder particles are adsorbed on the anode plate, thereby completing the collection of the nano powder particles;
step 2.3: the anode plate is vibrated at intervals, so that the nano particles on the anode plate are placed in a high-grade collection bin;
and step 3: the carrier gas in the electrostatic dust collector is discharged into the water pool from the exhaust pipe under the action of the vacuum pump;
and 4, step 4: periodically replacing the solution in the water tank, simultaneously stirring the replaced solution easily, then extracting a part of the solution, drying the part of the solution, and observing whether nano particles exist or not;
the automatic mixing and collecting process of new nano-material according to claim 1, characterized in that: the primary collection bin mentioned in the step 1 is made of glass, and the primary collection bin is arranged at the tail end of the process for preparing the nano particles by a gas phase method.
2. The automatic mixing and collecting process of new nano-material according to claim 1, characterized in that: the electrostatic dust collector mentioned in the step 2 comprises a discharge cathode and an anode plate, and the anode plate and the electrostatic dust collector are of a detachable structure.
3. The automatic mixing and collecting process of new nano-material according to claim 1, characterized in that: and 2.3, the vibration source in the step 2.3 is a small vibration motor, and the small vibration motor is electrically connected with a time relay.
4. The automatic mixing and collecting process of new nano-material according to claim 1, characterized in that: the advanced collection bin in the step 2.3 is arranged below the anode plate, the advanced collection bin and the electrostatic dust collector are of a detachable structure, and the anode plate is in an inclined structure.
5. The automatic mixing and collecting process of new nano-material according to claim 1, characterized in that: the solution in the water tank in the step 3 is three types of solvents, the three types of solvents comprise acetic acid, acetone, methoxybenzene, n-butyl alcohol, sec-butyl alcohol, butyl acetate, tert-butyl methyl ether, isopropyl benzene, dimethyl sulfoxide, ethanol, ethyl acetate, diethyl ether, ethyl formate, formic acid, n-heptane, isobutyl acetate, isopropyl acetate, methyl acetate, 3-methyl-1-butanol and the like, the water level of the water tank is higher than the exhaust pipe of the vacuum pump, and the pipe of the vacuum pump is placed in the solution in the water tank.
CN201910933633.0A 2019-09-29 2019-09-29 Automatic mixing and collecting process for new nano material Pending CN110743705A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1488444A (en) * 2002-10-08 2004-04-14 孙先明 Nano material efficient collecting method
US20130171734A1 (en) * 2011-12-28 2013-07-04 Soulbrain Co., Ltd. Method of Measuring Moisture Content in Lithium Secondary Battery Electrolyte and Analytical Reagent Composition Used in the Same
CN105413373A (en) * 2015-12-09 2016-03-23 陈宇 Device and method for purifying and separating impurities in gas
CN105435734A (en) * 2015-12-17 2016-03-30 翟一鸣 Combined gas purifying device
CN207371354U (en) * 2017-10-31 2018-05-18 福建省爱善环保科技有限公司 A kind of organic toxic harmful exhaust recycle device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1488444A (en) * 2002-10-08 2004-04-14 孙先明 Nano material efficient collecting method
US20130171734A1 (en) * 2011-12-28 2013-07-04 Soulbrain Co., Ltd. Method of Measuring Moisture Content in Lithium Secondary Battery Electrolyte and Analytical Reagent Composition Used in the Same
CN105413373A (en) * 2015-12-09 2016-03-23 陈宇 Device and method for purifying and separating impurities in gas
CN105435734A (en) * 2015-12-17 2016-03-30 翟一鸣 Combined gas purifying device
CN207371354U (en) * 2017-10-31 2018-05-18 福建省爱善环保科技有限公司 A kind of organic toxic harmful exhaust recycle device

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Application publication date: 20200204

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