CN1853764A - Production and producer for nanometer carbon liquid - Google Patents
Production and producer for nanometer carbon liquid Download PDFInfo
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- CN1853764A CN1853764A CN 200510064698 CN200510064698A CN1853764A CN 1853764 A CN1853764 A CN 1853764A CN 200510064698 CN200510064698 CN 200510064698 CN 200510064698 A CN200510064698 A CN 200510064698A CN 1853764 A CN1853764 A CN 1853764A
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Abstract
A process for preparing the liquid containing carbon nanoparticles includes such steps as preparing deionized water, preparing graphite carbon plate as positive electrode, arranging two metal plates as negative electrode at both sides of graphite carbon plate, immersing them in said deionized water for 24 hr, applying a low voltage (3-35 v) for 7-10 days to obtain said liquid, laying aside for 24 hr, and ultrasonic treating for 1-2 hr. Its apparatus is composed of casing, circulating pump, supporting frame, plate electrode connecting rods, and positive and negative plate electrodes.
Description
Technical field
The present invention relates to a kind of preparation method and equipment of carbon liquid, specifically, relate to a kind of preparation method and manufacturing equipment thereof of nanometer carbon liquid.
Background technology
The method for preparing nanometer carbon liquid with oxidation of coal is a lot, such as using oxidants such as red fuming nitric acid (RFNA), the concentrated sulfuric acid, nitro corrosive acid, postassium hypochlorite or potassinm permanganate, also useful ozone oxidation, discharge oxidation or plasma discharge oxidation, methods such as electron ray irradiation.Above-mentioned the whole bag of tricks all can not directly obtain nano-sized carbon suspension, also need pass through many extremely loaded down with trivial details auxiliary processes, for example needs neutralization acid, removes the objectionable impurities such as metallic in the carbon liquid, careless slightlyly just can not ensure the quality of products even occur reunion.Use the method for preparing nanometer carbon liquid, its equipment is too complicated, and technology is too loaded down with trivial details
Summary of the invention
The objective of the invention is to overcome above-mentioned defective, a kind of preparation method and manufacturing equipment thereof of nanometer carbon liquid is provided.
Preparation method of the present invention is simple, after graphitic carbon is processed into nano-sized carbon suspension, have great specific area, chemism, surperficial adsorptivity, electric conductivity all improve significantly, make on the original uncharged carbon molecular surface band negative electricity, and had higher electromotive force.The carbon particle uniform granularity, constant product quality, and easily accomplish scale production; Its equipment investment is few, and cost is low, long service life, and the no three wastes produce.
Description of drawings
Fig. 1 is the structural representation of the manufacturing equipment of nano-sized carbon of the present invention.
The specific embodiment
Referring to Fig. 1, the preparation method of nanometer carbon liquid of the present invention comprises:
The first step is got the raw materials ready: (1) carries out purified treatment to water, between the system waterwheel water is carried out purified treatment, and obtaining the ph value is the deionization pure water of 1M Ω-50M Ω for 6.5-7.2, resistance value, and resistance value is to be advisable more than the 18M Ω; (2) prepare pole plate, select graphitic carbon, the purity that requires graphitic carbon is 99.99%, and ash is less than 100PPM, and fineness is more than 300 orders, and intensity is more than 58mpa, by Polar plates geometric size requirement machine-shaping;
Trial run before the second step processing: with the graphite carbon plate of machine-shaping as positive plate, in its two sides the metal negative plate is set respectively, keep certain interval between positive plate and two negative plates, put into the deionization pure water that makes then and soaked 24 hours, whether energising switches on or short circuit between the test both positive and negative polarity, size of current and liquid level situation, as whether foam is arranged on the liquid level, whether judgment device is installed accurate, and whether employed raw material meet the requirements etc.;
Gap between the described positive and negative pole plate should remain between the 1mm-50mm, is advisable with 3mm-10mm; The graphite carbon plate need all be submerged in the deionization pure water, and the water surface of deionization pure water preferably exceeds the end face 200mm of graphite carbon plate.
The 3rd step oxidation processes: at normal temperatures, the graphite carbon plate after will handling through second step continues to be immersed in the energising of deionization pure water mesolow to be handled 7 days-10 days, described voltage 3V-35V, and electric current is less than 35A.In the processing procedure, primary current and voltage were measured in first three day requirement every 2 hours, and perform record, by electric current, the situation of change of voltage judges whether production is normal, after three days, need to detect pH value, electromotive force and electrical conductivity every sampling in 8 hours, curve plotting figure meets the requirement of carbon liquid mass parameter fully up to pH value, electromotive force and electrical conductivity curve trend, and outage finishes oxidation;
The time of oxidation processes is long more, its pH value, and electromotive force and electrical conductivity are just high more.The nano-sized carbon that method of the present invention makes has following characteristic: pH value is between 1.00-5.00, and electromotive force is between 180mv-450mv, and electrical conductivity is between 0.5ms/cm-5.0ms/cm.
The 4th one-step physical is handled: will deposit 24 hours through the nanometer carbon liquid that the 3rd step made, and after bulky grain carbon particle precipitation comes off, carbon liquid will be transported in another container, and then nanometer carbon liquid be carried out ultrasonic wave and handled 1-2 hour, its frequency is 1HZ-50HZ.Can adopt supersonic generator (commercially available) to carry out during processing.
Referring to Fig. 1, the manufacturing equipment of nano-sized carbon of the present invention is to be used for oxidation processes, and it comprises circulating pump and casing 1.Described casing 1 inner chamber is provided with at least one oxidation unit, each oxidation unit comprises bracing frame 7, pitman 6 is installed on bracing frame 7, two metal negative plates 2,4 is being installed and between two negative plates, have the graphite positive plate 3 in gap respectively on the pitman 6 with two negative plates.
Described circulating pump is connected with lower box, and carbon liquid is extracted out from the bottom leakage fluid dram 9 of casing 1, and the top input from casing is slowly flowed carbon liquid 8 in casing, carbon particle is evenly distributed in the deionization pure water.The base plate of described casing has a gradient, the casing side be positioned at base plate low be provided with leakage fluid dram, and meanwhile be positioned at base plate high have a water inlet so that add water or discharge water.
The outer surface of described pitman 6 has screw thread, and two negative plates 2,4 and positive plate have screwed hole of centre, and two negative plates and positive plate are installed on the pitman 6 by screw thread, and the gap between positive plate and two negative plates is regulated by rotating negative plate.
Gap between two negative plates and the positive plate is 1mm-50mm, is advisable with 3mm-10mm, promptly after work a period of time gap increases, can rotate two negative plates respectively the gap is dwindled.
Described negative plate 2,4 comprises plate body, is positioned at the adapter sleeve at plate body center and is positioned at outer peripheral reinforcing ring.Have some through holes on the plate body, its aperture is 2mm-10mm, and this through hole can reduce the flow resistance of nanometer carbon liquid.
Described casing 1 adopts plating Zirconium corrosion resistant plate, is welded with argon arc welding.
All making by plating Zirconium corrosion resistant plate of contacting with carbon liquid such as described plate body, adapter sleeve and reinforcing ring are adopted the argon arc welding welding forming.
The purity of described graphite positive plate 3 is 99.99%, ash≤100ppm, and fineness is more than 300 orders, and pressure is greater than 58mpa.
The top of described graphite positive plate 3 has screwed hole 5, so that anodal connecting rod is installed.Described two negative plates connect cathode conductor respectively.
Described pitman 6 is a polytetrafluoroethylene (PTFE).
Claims (10)
1, the preparation method of nanometer carbon liquid, its step comprises:
The first step is got the raw materials ready: (a) water is carried out purified treatment, obtaining the ph value is the deionization pure water of 1M Ω-50M Ω for 6.5-7.2, resistance value; (b) prepare pole plate, select graphitic carbon, the purity that requires graphitic carbon is 99.99%, and ash is less than 100PPM, and fineness is more than 300 orders, and intensity is more than 58mpa, by Polar plates geometric size requirement machine-shaping;
Trial run before the second step processing: the graphite carbon plate of machine-shaping as positive plate, is provided with the metal negative plate respectively in its two sides, keeps certain interval between positive plate and two negative plates, put into the deionization pure water that makes then and soaked 24 hours, switch on;
The 3rd step oxidation processes: at normal temperatures, the graphite carbon plate after will handling through second step continues to be immersed in the energising of deionization pure water mesolow, handled 7 days-10 days, and described voltage 3V-35V, electric current is less than 35A;
The 4th one-step physical is handled: will deposit 24 hours through the nanometer carbon liquid that the 3rd step made, bulky grain carbon particle post precipitation is transported to carbon liquid in another container, then nanometer carbon liquid is carried out ultrasonic wave and handles 1-2 hour.
2, method according to claim 1 is characterized in that described gap should remain between the 1mm-50mm; The water surface of deionization pure water should exceed the end face 200mm of graphite carbon plate.
3, method according to claim 2 is characterized in that described gap is 3mm-10mm.
4,, it is characterized in that described ultrasonic frequency is 1HZ-50HZ according to claim 1 or 2 or 3 described methods.
5, the manufacturing equipment of nanometer carbon liquid, it is characterized in that comprising circulating pump and casing (1), described casing (1) inner chamber is provided with at least one oxidation unit, each oxidation unit comprises bracing frame (7), pitman (6) is installed on bracing frame (7), two metal negative plates (2,4) is installed and between two negative plates, have the graphite positive plate (3) in gap respectively on pitman (6) with two negative plates.
6, equipment according to claim 5 is characterized in that described circulating pump is connected with lower box, and the base plate of described casing has a gradient, the casing side be positioned at base plate low be provided with leakage fluid dram, and meanwhile be positioned at base plate high have a water inlet.
7, according to claim 5 or 6 described equipment, the outer surface that it is characterized in that described pitman (6) has screw thread, described two negative plates (2,4) comprise plate body respectively, be positioned at the adapter sleeve at plate body center and be positioned at outer peripheral reinforcing ring, have some through holes on the plate body, two negative plates and positive plate are installed on the pitman (6) by screw thread, and described positive plate (3) has the screwed hole (5) that anodal connecting rod is installed.
8, equipment according to claim 7 is characterized in that the gap between two negative plates (2,4) and the positive plate (3) is 1mm-50mm.
9, equipment according to claim 8 is characterized in that described casing (1) for plating Zirconium corrosion resistant plate, is welded with argon arc welding; Described pitman (6) is a polytetrafluoroethylene (PTFE); Described plate body, adapter sleeve and reinforcing ring adopt argon arc welding to weld together with plating Zirconium corrosion resistant plate.
10, equipment according to claim 9, the purity that it is characterized in that described graphite positive plate (3) is 99.99%, and ash is less than 100ppm, and fineness is more than 300 orders, and pressure is greater than 58mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100646984A CN100408152C (en) | 2005-04-20 | 2005-04-20 | Production and producer for nanometer carbon liquid |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100646984A CN100408152C (en) | 2005-04-20 | 2005-04-20 | Production and producer for nanometer carbon liquid |
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| Publication Number | Publication Date |
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| CN1853764A true CN1853764A (en) | 2006-11-01 |
| CN100408152C CN100408152C (en) | 2008-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNB2005100646984A Expired - Fee Related CN100408152C (en) | 2005-04-20 | 2005-04-20 | Production and producer for nanometer carbon liquid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303916A (en) * | 2013-06-24 | 2013-09-18 | 江苏丽港稀土材料有限公司 | Preparation method and preparation equipment of high-purity superfine activated carbon glue solution |
| CN103794792A (en) * | 2014-02-28 | 2014-05-14 | 江苏丽港科技有限公司 | Method for preparing nano carbon sphere materials for negative electrode of lithium ion battery |
| CN104726890A (en) * | 2015-02-09 | 2015-06-24 | 银基烯碳新材料股份有限公司 | Method for preparing nano active carbon solution based on electrolytic method |
| CN107254308A (en) * | 2017-05-11 | 2017-10-17 | 玉灵华科技有限公司 | A kind of method that electrolytic carbon nano-sized hydrosol separation prepares Water-soluble carbon quantum dot |
| CN107459422A (en) * | 2017-08-04 | 2017-12-12 | 山东省农业科学院农业资源与环境研究所 | One kind utilizes salt resistance Liquid Fertilizer and its preparation and application made of nano-sized carbon glue |
| CN117433605A (en) * | 2023-09-14 | 2024-01-23 | 北京天海工业有限公司 | Capacitive sensor, capacitive liquid level meter and low-temperature welding heat-insulating gas cylinder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078753C (en) * | 1995-09-29 | 2002-01-30 | 藤田贤一 | Electrolyte and lead accumulator using the same |
| JP2000086220A (en) * | 1998-09-14 | 2000-03-28 | Kenichi Fujita | Ultrafine carbon particle |
| CN1323940C (en) * | 2004-01-21 | 2007-07-04 | 刘芳德 | Preparation of nano-graphite carbon sol by anode graphite electrode oxidation method |
| CN2808874Y (en) * | 2005-04-20 | 2006-08-23 | 北京天中树科技发展有限公司 | Nano carbon liquid producing device |
-
2005
- 2005-04-20 CN CNB2005100646984A patent/CN100408152C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303916A (en) * | 2013-06-24 | 2013-09-18 | 江苏丽港稀土材料有限公司 | Preparation method and preparation equipment of high-purity superfine activated carbon glue solution |
| CN103794792A (en) * | 2014-02-28 | 2014-05-14 | 江苏丽港科技有限公司 | Method for preparing nano carbon sphere materials for negative electrode of lithium ion battery |
| CN103794792B (en) * | 2014-02-28 | 2015-09-30 | 江苏丽港科技有限公司 | A kind of preparation method of used as negative electrode of Li-ion battery nano carbon microsphere material |
| CN104726890A (en) * | 2015-02-09 | 2015-06-24 | 银基烯碳新材料股份有限公司 | Method for preparing nano active carbon solution based on electrolytic method |
| CN107254308A (en) * | 2017-05-11 | 2017-10-17 | 玉灵华科技有限公司 | A kind of method that electrolytic carbon nano-sized hydrosol separation prepares Water-soluble carbon quantum dot |
| CN107254308B (en) * | 2017-05-11 | 2020-05-19 | 玉灵华科技有限公司 | Method for preparing water-soluble carbon quantum dots by separating electrolytic carbon nano hydrosol |
| CN107459422A (en) * | 2017-08-04 | 2017-12-12 | 山东省农业科学院农业资源与环境研究所 | One kind utilizes salt resistance Liquid Fertilizer and its preparation and application made of nano-sized carbon glue |
| CN117433605A (en) * | 2023-09-14 | 2024-01-23 | 北京天海工业有限公司 | Capacitive sensor, capacitive liquid level meter and low-temperature welding heat-insulating gas cylinder |
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| Publication number | Publication date |
|---|---|
| CN100408152C (en) | 2008-08-06 |
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Granted publication date: 20080806 Termination date: 20100420 |