CN1394669A - Method for uniformly discterbuting nano carbon tubes in liquid medium and its equipment - Google Patents
Method for uniformly discterbuting nano carbon tubes in liquid medium and its equipment Download PDFInfo
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- CN1394669A CN1394669A CN 02136380 CN02136380A CN1394669A CN 1394669 A CN1394669 A CN 1394669A CN 02136380 CN02136380 CN 02136380 CN 02136380 A CN02136380 A CN 02136380A CN 1394669 A CN1394669 A CN 1394669A
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- pipeline
- injection apparatus
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- liquid medium
- discharging opening
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Abstract
The method for uniformly distributing nano carbon tubes in liquid medium includes the following steps: stirring and mixing nano carbon tubes and liquid medium, placing them into a storage tank with outlet, connecting the outlet with pipeline with rough pipe wall of spray device, utilziing centrifugal pump to make identicial liquid medium form high pressure liquid flow and feeding it into spray device, making the high-pressure liquid flow sprayed out by center nozzle of spray device carry the mixed liquor to implement full mixation and atomization in the pipeline with rough pipe wall, then feeding the above-mentioned material into atomization collecting cylinder, making the collected liquid flow into second storage tank whose outlet is connected with second spray device, at the same time feeding the above-mentioned high-pressure liquid flow into second spray device.
Description
Technical field
The present invention relates to make CNT to be distributed in the method and the equipment thereof of liquid medium.
Background technology
Various countries drop into a large amount of technical forces development CNT, because it has many premium properties, comprising infilter CNT in paint, can significantly improve the absorption affinity of paint, infilter CNT in lubricating oil, can improve the performance of lubricating oil etc.But because CNT is very little very light again thing, there is a kind of model moral gas force between the CNT, they are attached together mutually, become one one, be difficult to overcome suction between them, they are distributed in paint or the oil plant equably go.Though accomplish in laboratory way by hand, is difficult to carry out industrialized a large amount of production, this has just hindered the extended use of CNT.
Summary of the invention
The purpose of this invention is to provide a kind of method and equipment thereof that makes CNT be distributed in liquid medium.
The inventive method may further comprise the steps: CNT and liquid medium are mixed the back put into and have in the basin of discharging opening, the basin discharging opening is communicated with the pipeline of the coarse tube wall of injection apparatus, same liquid medium is formed high pressure liquid stream by centrifugal pump send into injection apparatus, the high velocity liquid stream suction band mixed liquor of injection apparatus center nozzle ejection is fully pullled in the pipeline of coarse tube wall, after the atomizing, enter the atomizing collecting vessel from the injection apparatus discharging opening, be gathered into liquid and flow into second level basin, second level basin discharging opening is communicated with the pipeline of second level injection apparatus, simultaneously, the high pressure liquid stream of above-mentioned centrifugal pump is sent into second level injection apparatus, carry out pullling the second time, repeat said process for several times, make CNT be distributed in liquid medium.
The equipment of implementing said method comprises that several grades of liquid streams pull device, each grade liquid stream is pullled the basin that device comprises storage CNT and liquid medium mixed liquor, injection apparatus, the atomizing collecting vessel, basin has exhaust outlet and valvular discharge nozzle is set, discharge nozzle is communicated with the injection apparatus pipeline, injection apparatus has nozzle and the coarse pipeline of internal face, nozzle is inserted in the pipeline, with the pipeline coaxial line, its charging aperture is communicated with the discharging opening of centrifugal pump, the discharging opening of pipeline links to each other with the atomizing collecting vessel, is provided with axial screen in the atomizing collecting vessel, and the discharging opening of atomizing collecting vessel is communicated with the next stage basin.
During work, the high pressure liquid stream that centrifugal pump provides enters injection apparatus, sprays from nozzle with very high speed, forms negative pressure around nozzle, the mixed liquor of basin enters injection apparatus under the attraction of deadweight and negative pressure, because coarse tube wall is to the absorption and the drag effect of mixed liquor, flow velocity is very slow around it, and pipeline center's flow stream velocity is very high, from the tube wall to the tube hub, form the gradient of speed like this, nozzle spray speed is big more, and tube wall is coarse more, and gradient is big more.CNT pelletizing in the mixed liquor simultaneously is subjected to pullling of high flow rate liquid stream near tube hub, and be subjected to pullling of slug flow speed liquid stream near the one side of tube wall, pelletizing is just rubbed scattered disintegration, add diffusion, atomizing and impact the disintegration of then accelerating pelletizing, above process quilt is several repeatedly, just can reach to make CNT be distributed in the purpose of liquid medium.
The present invention is simple in structure, be beneficial to suitability for industrialized production, testing surface the present invention can effectively overcome the model moral gas force between CNT, pelletizing shape CNT is disintegrated into single carbon pipe be distributed in liquid medium, in paint, lubricating oil, CNT is used widely.
Description of drawings
Accompanying drawing is a kind of concrete structure schematic diagram of present device.
The specific embodiment
In the diagram instantiation, be used for that the equipment that CNT is distributed in liquid medium is had two-stage liquid stream and pull device, each grade liquid stream is pullled basin 1, the injection apparatus 2 that device comprises storage CNT and liquid medium mixed liquor, atomizing collecting vessel 3, basin has exhaust outlet 1.1 and is provided with the discharge nozzle 1.2 of valve 4, in exhaust outlet 1.1, be plugged with stainless steel wire group, be used for liquid gas and separate.Discharge nozzle 1.2 is communicated with injection apparatus 2 pipelines, injection apparatus has nozzle 2.1 and the coarse pipeline 2.2 of internal face, nozzle 2.1 is inserted in the pipeline 2.2, with the pipeline coaxial line, its charging aperture is communicated with the discharging opening of centrifugal pump 5, the discharging opening of pipeline 2.2 links to each other with atomizing collecting vessel 3, is provided with axial screen 3.1 in the atomizing collecting vessel, and the discharging opening of atomizing collecting vessel is communicated with next stage basin 1.Wherein the coarse internal face of pipeline can be a screw thread.Or projection or annular knurl formation.Usually, be to improve pelletizing disintegration effect, can make the pipeline of injection apparatus have 2.5 3 sections of mixing chamber 2.3, trunnion 2.4 and anemostats, trunnion 2.4 is between mixing chamber 2.3 and anemostat 2.4, its caliber is less than the caliber of mixing chamber and anemostat, and the mixing chamber tube wall has passage to be communicated with basin 1.
Claims (5)
1. make CNT be distributed in the method for liquid medium, it may further comprise the steps:
CNT and liquid medium are mixed the back to be put into and has in the basin of discharging opening, the basin discharging opening is communicated with the pipeline of the coarse tube wall of injection apparatus, same liquid medium is formed high pressure liquid stream by centrifugal pump send into injection apparatus, the high velocity liquid stream suction band mixed liquor of injection apparatus center nozzle ejection is fully pullled in the pipeline of thick tubing wall, after the atomizing, enter the atomizing collecting vessel from the injection apparatus discharging opening, be gathered into liquid and flow into second level basin, second level basin discharging opening is communicated with the pipeline of second level injection apparatus, simultaneously, the high pressure liquid stream of above-mentioned centrifugal pump is sent into second level injection apparatus, carry out pullling the second time, repeat said process for several times, make CNT be distributed in liquid medium.
2. equipment that is used for the described method of claim 1, it is characterized in that it comprises that several grades of liquid streams pull device, each grade liquid stream is pullled the basin (1) that device comprises storage CNT and liquid medium mixed liquor, injection apparatus (2), atomizing collecting vessel (3), basin has exhaust outlet (1.1) and is provided with the discharge nozzle (1.2) of valve (4), discharge nozzle (1.2) is communicated with injection apparatus (2) pipeline, injection apparatus has nozzle (2.1) and the coarse pipeline (2.2) of internal face, nozzle (2.1) is inserted in the pipeline (2.2), with the pipeline coaxial line, its charging aperture is communicated with the discharging opening of centrifugal pump (5), the discharging opening of pipeline (2.2) links to each other with atomizing collecting vessel (3), be provided with axial screen (3.1) in the atomizing collecting vessel, the discharging opening of atomizing collecting vessel is communicated with next stage basin (1).
3. by the described equipment of claim 2, the coarse internal face that it is characterized in that injection apparatus pipeline (2.2) is to be made of screw thread or projection or annular knurl.
4. by the described equipment of claim 2, the pipeline (2.2) that it is characterized in that injection apparatus has (2.5) three sections of mixing chamber (2.3), trunnion (2.4) and anemostats, trunnion (2.4) is positioned between mixing chamber (2.3) and the anemostat (2.4), its caliber is less than the caliber of mixing chamber and anemostat, and the mixing chamber tube wall has passage to be communicated with basin (1).
5. by the described equipment of claim 2, it is characterized in that in basin exhaust outlet (1.1), being plugged with stainless steel wire group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021363803A CN1174794C (en) | 2002-08-03 | 2002-08-03 | Method for uniformly discterbuting nano carbon tubes in liquid medium and its equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB021363803A CN1174794C (en) | 2002-08-03 | 2002-08-03 | Method for uniformly discterbuting nano carbon tubes in liquid medium and its equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1394669A true CN1394669A (en) | 2003-02-05 |
| CN1174794C CN1174794C (en) | 2004-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021363803A Expired - Fee Related CN1174794C (en) | 2002-08-03 | 2002-08-03 | Method for uniformly discterbuting nano carbon tubes in liquid medium and its equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN1174794C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999950A (en) * | 2021-03-02 | 2021-06-22 | 浙江中医药大学中药饮片有限公司 | Traditional chinese medicine solid-liquid auxiliary material mixes preparation facilities |
| CN116060279A (en) * | 2022-12-15 | 2023-05-05 | 深圳稀光新材料有限公司 | Oil-based ink spraying method |
-
2002
- 2002-08-03 CN CNB021363803A patent/CN1174794C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999950A (en) * | 2021-03-02 | 2021-06-22 | 浙江中医药大学中药饮片有限公司 | Traditional chinese medicine solid-liquid auxiliary material mixes preparation facilities |
| CN116060279A (en) * | 2022-12-15 | 2023-05-05 | 深圳稀光新材料有限公司 | Oil-based ink spraying method |
| CN116060279B (en) * | 2022-12-15 | 2024-06-07 | 深圳稀光新材料有限公司 | Oil-based ink spraying method |
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| Publication number | Publication date |
|---|---|
| CN1174794C (en) | 2004-11-10 |
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