CN203612952U - Extraction device for hydrogen peroxide production with anthraquinone process - Google Patents
Extraction device for hydrogen peroxide production with anthraquinone process Download PDFInfo
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- CN203612952U CN203612952U CN201320597338.0U CN201320597338U CN203612952U CN 203612952 U CN203612952 U CN 203612952U CN 201320597338 U CN201320597338 U CN 201320597338U CN 203612952 U CN203612952 U CN 203612952U
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Abstract
The utility model discloses an extraction device for hydrogen peroxide production with an anthraquinone process. The extraction device comprises an extracting tower and a purification tower, and is characterized in that a liquid inlet pipe is arranged at the bottom of the extracting tower; multiple layers of horizontal screen plates are erected in the extracting tower and divide the extracting tower into an upper tower and a lower tower; a vertical downcomer is arranged on each layer of horizontal screen plate; the liquid inlet pipe of the extracting tower is communicated with a solution preparation tank; a self-control regulating valve is arranged on a communicating pipe of the extracting tower and the solution preparation tank; a flow control valve is arranged on a communicating pipe of a bottom outlet of the extracting tower and a top inlet of the purification tower; a bottom outlet of the purification tower is connected with a separator and a metering tank sequentially through the self-control regulating valve; and a ceramic super saddle filled with heavy aromatics is arranged in the purification tower. The extraction device enables a continuous phase to flow uniformly and effectively prevents a dispersed phase from axial back-mixing, so that the dispersed phase has a good dispersing effect, the mass transfer efficiency is improved, the content of hydrogen peroxide in the extracting tower is controlled strictly, and the extraction effect is better.
Description
Technical field
The utility model relates to hydrogen peroxide production technical field, is a kind of hydrogen dioxide solution production by anthraquinone process extraction plant specifically.
Background technology
Hydrogen peroxide is a kind of important green chemical industry product; as oxygenant, SYNTHETIC OPTICAL WHITNER, sterilizing agent be widely used in chemical industry, prevent, papermaking and environment protection industry; its main production method is anthraquinone at present; its principle is: the anthraquinone hydrogenation in working fluid is obtained to hydride; hydride obtains the oxidation solution of hydrogen peroxide again with airborne oxygen reaction; oxidation solution, through extraction tower and the extraction of pure water counter current contact, obtains hydrogen peroxide.In traditional extraction device extraction process, external phase cannot Uniform Flow, neglecting anxious neglecting delays, disperse phase is easily chaotic, disperse phase dispersion effect is poor, mass-transfer efficiency in extraction tower is received certain impact, and the content that cannot strictly control hydrogen peroxide in extraction tower, effect of extracting is poor, causes hydrogen peroxide production efficiency always in low level.Therefore are objects of the utility model research for the problems referred to above.
Utility model content
The purpose of this utility model is to provide a kind of hydrogen dioxide solution production by anthraquinone process extraction plant, this extraction plant can make external phase Uniform Flow, and effectively prevent disperse phase axial backmixing, make disperse phase there is good dispersion effect, contribute to have improved mass-transfer efficiency, the strict content of controlling hydrogen peroxide in extraction tower, makes effect of extracting better.
The technical solution of the utility model is: a kind of hydrogen dioxide solution production by anthraquinone process extraction plant, comprise extraction tower and scavenging tower, described extraction tower bottom is provided with a liquid-inlet pipe, in described extraction tower, set up multiple-layer horizontal sieve plate, extraction tower is divided into Shang Ta and Xia Ta by described multiple-layer horizontal sieve plate, every layer of horizontal sieve plate is provided with a vertical downtake, the liquid-inlet pipe of described extraction tower is communicated with solution preparation groove, the communicating pipe of described extraction tower and solution preparation groove is provided with automatic control adjustable valve, the outlet at bottom of described extraction tower and scavenging tower top entrance communicating pipe be provided with flowrate control valve, described scavenging tower outlet at bottom is connected with separator in turn through automatic control adjustable valve, scale tank, in described scavenging tower, be provided with the ceramic iso-saddle ring that is full of heavy aromatics.
In order to remove better micro-heavy aromatics, described scale tank is provided with one for blowing down the gas blower of micro-heavy aromatics.
The utility model has the advantage of: the one, this extraction plant can make external phase Uniform Flow, and effectively prevent disperse phase axial backmixing, make disperse phase there is good dispersion effect, contribute to have improved mass-transfer efficiency, the strict content of controlling hydrogen peroxide in extraction tower, makes effect of extracting better; The 2nd, be designed with automatic control adjustable valve and flowrate control valve, can strictly control raffinate hydrogen peroxide, extraction hydrogen peroxide and hydrogen oxide equal size well, contribute to improve extraction efficiency; The 3rd, be designed with gas blower, micro-heavy aromatics can be removed completely, effectively improve the purity of hydrogen peroxide.
Accompanying drawing explanation
Fig. 1 is the hydrogen dioxide solution production by anthraquinone process extraction plant structural representation in embodiment.
Label declaration: tower 4-flowrate control valve 5-scavenging tower 51-pottery iso-saddle ring 6-separator 7-scale tank 8-gas blower under the upper tower 34-of the horizontal sieve plate 32-of 1-solution preparation groove 2-automatic control adjustable valve 3-extraction tower 31-downtake 33-.
Embodiment
For above-mentioned feature and advantage of the present utility model can be become apparent, special embodiment below, and coordinate accompanying drawing, be described in detail below, but the utility model is not limited to this.
With reference to legend 1, a kind of hydrogen dioxide solution production by anthraquinone process extraction plant, comprise extraction tower 3 and scavenging tower 5, described extraction tower 3 bottoms are provided with a liquid-inlet pipe, in described extraction tower 3, set up multiple-layer horizontal sieve plate 31, extraction tower 3 is divided into upper tower 33 and lower tower 34 by described multiple-layer horizontal sieve plate 31, every layer of horizontal sieve plate 31 is provided with a vertical downtake 32, the liquid-inlet pipe of described extraction tower 3 is communicated with solution preparation groove 1, described extraction tower 3 and solution preparation groove 1 be provided with automatic control adjustable valve 2 communicating pipe, the outlet at bottom of described extraction tower 3 and scavenging tower 5 top entrances be provided with flowrate control valve 4 communicating pipe, described scavenging tower 5 outlet at bottoms are connected with separator 6 in turn through automatic control adjustable valve, scale tank 7, in described scavenging tower 5, be provided with the ceramic iso-saddle ring 51 that is full of heavy aromatics.
In one embodiment, in order to remove better micro-heavy aromatics, described scale tank 7 is provided with one for blowing down the gas blower 8 of micro-heavy aromatics.
Work operation instruction of the present utility model: the oxidation solution that contains hydrogen peroxide enters from extraction tower 3 bottom liquid inlet pipes, be dispersed into countless beads floating to tower top by horizontal sieve plate 31, meanwhile, the pure water that in solution preparation groove 1, preparation contains a certain amount of phosphoric acid and ammonium nitrate, enter extraction tower 3 tops by hydro-pump by automatic control adjustable valve 2, and make the water of upper and lower tower logical by the downtake 32 on horizontal sieve plate 31, flow downward continuously, carry out counter-current extraction with upwards floating oxidation solution, in this process, water is external phase, oxidation solution is disperse phase, pure water flows in the process of lower tower 34 from upper tower 33, its hydrogen oxide content increases gradually, finally go out from tower bottom flow, by controlling extraction liquid flow control raffinate hydrogen peroxide content and extraction hydrogen peroxide content, extraction liquid relies on potential difference to enter scavenging tower 5 tops, and the oxidation solution entering from extraction tower 3 bottoms, disperseing upwards in floating process, its hydrogen peroxide content reduces gradually, finally flow out from tower top, general control wherein hydrogen peroxide content below 035g/L.
Ceramic iso-saddle ring 51 is housed in scavenging tower 5, and is full of heavy aromatics, the extraction liquid entering from tower top is in tower top dispersion and to dirty, meanwhile, the aromatic hydrocarbons header tank of heavy aromatics enters scavenging tower 5 bottoms continuously by potential difference, and both form counter-current extraction, to remove the organic impurity in hydrogen peroxide.In this process, heavy aromatics is external phase, extraction liquid is disperse phase, hydrogen peroxide self-purification tower 5 after purification flows out through a certain amount of scavenging tower of automatic control adjustable valve control 5 interfaces, remove after a small amount of heavy aromatics that may carry secretly through 6 points of separators, enter scale tank 7 and enter packaging process through the heavy aromatics of clean air scavenging trace through hydro-pump.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (2)
1. a hydrogen dioxide solution production by anthraquinone process extraction plant, comprise extraction tower and scavenging tower, it is characterized in that: described extraction tower bottom is provided with a liquid-inlet pipe, in described extraction tower, set up multiple-layer horizontal sieve plate, extraction tower is divided into Shang Ta and Xia Ta by described multiple-layer horizontal sieve plate, every layer of horizontal sieve plate is provided with a vertical downtake, the liquid-inlet pipe of described extraction tower is communicated with solution preparation groove, the communicating pipe of described extraction tower and solution preparation groove is provided with automatic control adjustable valve, the outlet at bottom of described extraction tower and scavenging tower top entrance communicating pipe be provided with flowrate control valve, described scavenging tower outlet at bottom is connected with separator in turn through automatic control adjustable valve, scale tank, in described scavenging tower, be provided with the ceramic iso-saddle ring that is full of heavy aromatics.
2. hydrogen dioxide solution production by anthraquinone process extraction plant according to claim 1, is characterized in that: described scale tank is provided with one for blowing down the gas blower of micro-heavy aromatics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320597338.0U CN203612952U (en) | 2013-09-27 | 2013-09-27 | Extraction device for hydrogen peroxide production with anthraquinone process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201320597338.0U CN203612952U (en) | 2013-09-27 | 2013-09-27 | Extraction device for hydrogen peroxide production with anthraquinone process |
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| CN203612952U true CN203612952U (en) | 2014-05-28 |
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| CN201320597338.0U Expired - Fee Related CN203612952U (en) | 2013-09-27 | 2013-09-27 | Extraction device for hydrogen peroxide production with anthraquinone process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908626A (en) * | 2019-04-26 | 2019-06-21 | 北京凯迪森科技有限公司 | A kind of strengthening extraction device and efficient extracting system and extraction process including it |
| CN114162789A (en) * | 2021-12-30 | 2022-03-11 | 连云港市工投集团利海化工有限公司 | Process and device for preparing hydrogen peroxide |
| CN114477096A (en) * | 2022-03-02 | 2022-05-13 | 潜江益和化学品有限公司 | High-efficiency extraction process in hydrogen peroxide production process |
| CN115504538A (en) * | 2022-10-31 | 2022-12-23 | 湖南双阳高科化工有限公司 | Device for treating reverse osmosis high-salt water in production process of electronic-grade hydrogen peroxide |
-
2013
- 2013-09-27 CN CN201320597338.0U patent/CN203612952U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109908626A (en) * | 2019-04-26 | 2019-06-21 | 北京凯迪森科技有限公司 | A kind of strengthening extraction device and efficient extracting system and extraction process including it |
| CN109908626B (en) * | 2019-04-26 | 2023-10-20 | 北京凯迪森科技有限公司 | Intensified extractor, high-efficiency extraction system comprising same and extraction process |
| CN114162789A (en) * | 2021-12-30 | 2022-03-11 | 连云港市工投集团利海化工有限公司 | Process and device for preparing hydrogen peroxide |
| CN114477096A (en) * | 2022-03-02 | 2022-05-13 | 潜江益和化学品有限公司 | High-efficiency extraction process in hydrogen peroxide production process |
| CN115504538A (en) * | 2022-10-31 | 2022-12-23 | 湖南双阳高科化工有限公司 | Device for treating reverse osmosis high-salt water in production process of electronic-grade hydrogen peroxide |
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Granted publication date: 20140528 Termination date: 20140927 |
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| EXPY | Termination of patent right or utility model |