CN105858617A - Device and method for preparing hydrogen peroxide by using plasma discharge - Google Patents
Device and method for preparing hydrogen peroxide by using plasma discharge Download PDFInfo
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- CN105858617A CN105858617A CN201610213776.0A CN201610213776A CN105858617A CN 105858617 A CN105858617 A CN 105858617A CN 201610213776 A CN201610213776 A CN 201610213776A CN 105858617 A CN105858617 A CN 105858617A
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- hydrogen peroxide
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B15/00—Peroxides; Peroxyhydrates; Peroxyacids or salts thereof; Superoxides; Ozonides
- C01B15/01—Hydrogen peroxide
- C01B15/027—Preparation from water
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Abstract
The invention belongs to the technical field of preparation of chemicals, and particularly relates to a device and method for preparing hydrogen peroxide by using plasma discharge. The device is composed of a pulse power source, a water storage tank, a detachable outer wall structure, an ultrasonic atomizer, an array-type discharge electrode, a gas outlet diversion fan and a water mist condensation structure. The ultrasonic atomizer is utilized to generate water mist. The gas inlet hole, gas outlet diversion fan and integrally closed structure of the device are utilized to form an upward gas flow, and the introduced oxygen carries the misty water drops to pass through the discharge region upwards. Under the action of the plasma, double-dielectric barrier discharge occurs to generate the hydrogen peroxide. By using water as the raw material, the preparation process is simple and safe, and no pollutant is generated in the hydrogen peroxide production process, thereby implementing the clean mass chemical production technique of the green oxidizer in deed. The device and method are also suitable for flexible preparation of hydrogen peroxide in the fields of daily necessities, industry and medicine.
Description
Technical field
The invention belongs to chemicals preparing technical field, particularly relate to plasma discharge and prepare the apparatus and method of hydrogen peroxide.
Background technology
Hydrogen peroxide is commonly called as hydrogen peroxide, is a kind of water white liquid, has the strongest Oxidation to Organic substance, uses generally as oxidant.Owing to occurring not produce any pollution products after redox reaction, hydrogen peroxide is described as again Green Oxidant and the chemical products cleaned most.Hydrogen peroxide is mainly used in the fields such as chemosynthesis, environment, medical treatment and semi-conducting material, can play sterilizing and remove the effect of surface impurity.Additionally, the hydrogen peroxide of high concentration is also used as rocket-powered fuel.
At present, industrial scale produces the main stream approach of hydrogen peroxide is 2-ethyl-anthraquinone method (EAQ).Although anthraquinone technology maturation, but preparation process is complicated, relates to being hydrogenated with, aoxidize, extract, the process such as recycle of thickening-purification technology and working solution and 2-ethyl-anthraquinone, has that equipment investment is big, production cost crosses the problems such as height.Additionally, anthraquinone prepare hydrogen peroxide during can produce a large amount of chemical contamination, clean the application prospect of aspect in bulk chemical production technology against Green Oxidant.
Summary of the invention
It is an object of the invention to provide a kind of low cost, green, prepare the apparatus and method of hydrogen peroxide safely.
The present invention, with water as raw material, utilizes plasma discharging teclmiques, and combines ultrasonic atomization technique, prepare hydrogen peroxide.Present invention can apply to the flexible preparation of daily, industrial and medical hydrogen peroxide, there is the feature of " using with the opening ".With water, the hydrogen peroxide of preparation is carried out arbitrary proportion mix, the hydrogen peroxide of available any concentration, meet the demand of sterilizing.The present invention can simplify the configuration process of hydrogen peroxide, it is to avoid in the problem that hydrogen peroxide stores and runs in transportation, reduces extra cost.
The plasma discharge that utilizes that the present invention proposes prepares the device of hydrogen peroxide, using plasma double-dielectric barrier discharge technology.This device by impulse power electrical source, cistern, outer wall, soniclizer, array sparking electrode, give vent to anger diversion fan and water smoke coagulation structure is constituted.Wherein:
Described outer wall surrounds a rectangular parallelepiped space, the reaction chamber of constituent apparatus；The junction, middle part of outer wall is Demountable, and this detachable part is divided into reaction chamber cistern and region of discharge two parts on upper strata of lower floor；
Described impulse power electrical source is for providing discharging condition to device；
Described array sparking electrode is made up of metal carefully rod, and its outer layer is with size suitable quartz glass tube tight；Array sparking electrode is positioned at inside the reaction chamber of device, forms region of discharge；
Array sparking electrode is divided into high-field electrode and ground electrode two parts, and high-field electrode connects impulse power electrical source, ground electrode ground connection, and two kinds of electrodes are uniformly staggered, respectively from the staggered access of two outer walls that reaction chamber is relative；
The particular number of array sparking electrode can be adjusted according to the electrical quantity of throughput requirements and impulse power electrical source；
The junction, middle part of described outer wall is Demountable, and this detachable part is divided into reaction chamber cistern and region of discharge two parts on upper strata of lower floor.Two parts junction is step structure up and down, enables upper strata region of discharge to be firmly enclosed within lower floor's cistern, and detachably；
Digging fluted in the middle of described columns base, described soniclizer is fixed in this groove；
Two outer wall near top that cistern is relative are each provided with a blowhole；For being passed through oxygen in reaction chamber；
Above array sparking electrode relative to two outer walls on a described diversion fan of giving vent to anger respectively is set, one water smoke coagulation structure of diversion fan overcoat of giving vent to anger, the aqueous hydrogen peroxide solution prepared for collection device；
Ramp structure low between employing both sides, the bottom surface senior middle school of described water smoke coagulation structure.
The method utilizing plasma discharge to prepare hydrogen peroxide based on described device that the present invention proposes, it concretely comprises the following steps:
(1) soniclizer is put in the groove of columns base fixing, and in cistern, pour proper amount of clear water into；
(2) utilize detachable outer wall construction, upper strata region of discharge is enclosed within cistern；
(3) high-field electrode of array sparking electrode is received on impulse power electrical source, ground electrode ground connection；
(4) open diversion fan of giving vent to anger, and be passed through oxygen from blowhole, in reaction chamber, form an oxygen enriched environment；
(5) opening impulse power electrical source and soniclizer, start reaction, wherein the concrete electrical quantity of impulse power electrical source and the speed of soniclizer generation water smoke can be adjusted according to the actual production demand of hydrogen peroxide；
(6) utilize blowhole, give vent to anger diversion fan and the structure of device integrally closed, form an air-flow from bottom to top, while being passed through oxygen, carry the vaporific water droplet of micron dimension upwardly through region of discharge；
(7) under the discharge process of plasma, the hydrogen-oxygen bond fission in hydrone, it is decomposed into hydroxyl radical free radical and active hydrogen atom；Under oxygen enriched environment, being tried to be the first by the active oxygen atom of plasma exciatiaon and the higher active hydrogen atom of reproducibility combines, generate water, hydroxyl radical free radical or super hydrogen oxide, in hydrone, remaining hydroxyl radical free radical then combination of two generates hydrogen peroxide；In normal circumstances, hydroxyl radical free radical and super hydrogen oxide chemical property rather unstable, can be within the extremely short time, Auto-decomposition is water, oxygen and hydrogen peroxide；
(8) utilize water smoke coagulation structure, the hydrogen peroxide droplet blown out from device by diversion fan of giving vent to anger is polymerized rapidly, convenient collection hydrogenperoxide steam generator.
The present invention use soniclizer water has been carried out atomization process.After switching on power, soniclizer vibrates with the natural frequency of water, hydrone is caused to resonate, thus the water surface of being dished out, formation can be suspended in the vaporific little water droplet of air, greatly improve the contact area of hydrone and oxygen, while speed prepared by quickening hydrogen peroxide, be effectively improved the device utilization ratio to electric energy.Compared with heating atomization method, ultrasonic atomization method utilizes the principle of physical resonant vibration to be atomized water, it is to avoid by the process of water ebuillition of heated, it is possible to save the energy of 90%.This atomizing type had both been avoided that the impurities in water such as chloride ion escaped the water surface in heating process, and the generation process of hydrogen peroxide is played inhibitory action, had been avoided that again the most labile problem of hydrogen peroxide, it is possible to be effectively improved the productivity of hydrogen peroxide.
Advantage of the invention is that with water as raw material, prepare hydrogen peroxide by the double-dielectric barrier discharge of plasma.Main stream approach 2-ethyl-anthraquinone method (EAQ) of hydrogen peroxide is produced compared to current industrial scale; the present invention has the advantages that preparation process is simple, safe; the feature of hydrogen peroxide can be prepared flexibly, be truly realized and use with the opening, it is to avoid the problem that hydrogen peroxide runs in storage, transportation.The present invention does not produce any pollutant in the production process prepare hydrogen peroxide, has been truly realized Green Oxidant and has cleaned in bulk chemical production technology.
Accompanying drawing explanation
Fig. 1 is the radial side view of overall structure schematic diagram of the present invention.
Fig. 2 is the transverse side view of overall structure schematic diagram of the present invention.
Fig. 3 is the top view of array sparking electrode top layer of the present invention.
Fig. 4 is the three-dimensional oblique view of the detachable outer wall construction of the present invention.
Label in figure: 1 is columns base groove, 2 is soniclizer, 3 is detachable outer wall construction, and 4 is the ground electrode part of array sparking electrode, and 5 is water smoke coagulation structure, 6 is cistern, 7 is the high-field electrode part of array sparking electrode, and 8 is water conservancy diversion water pipe, and 9 is diversion fan of giving vent to anger, 10 is blowhole, and 11 is the quartz glass tube of array sparking electrode outer layer covers.
Detailed description of the invention
The invention will be further described with embodiment below in conjunction with the accompanying drawings.
Embodiment:
In the present embodiment, crust of the device is made up of lucite, detachable outer wall construction be divided into lower floor's cistern and upper strata region of discharge two parts.Its concrete machined parameters is:
1) cross-sectional area of two parts reaction chamber is all 100mm × 100mm up and down；
2) top of former and later two opposite outer walls of cistern is respectively arranged with one and enters gas circular hole；
3) step structure short outside the length of inner side is all made on cistern sidewall top, corresponding with upper strata region of discharge, enables upper strata region of discharge to be firmly enclosed within lower floor's cistern；
4) cylinder shape groove, the position of mounting ultrasonic nebulizer are dug out by columns base central authorities；
5) every layer of 6 high-field electrode of array sparking electrode, 7 ground electrodes, totally 8 layers；High-field electrode and ground electrode are uniformly staggered, and are inserted and fixed from left and right two wall respectively；Sparking electrode is made up of thin copper bar, and outer layer, with quartz glass tube tight, constitutes double-dielectric barrier discharge；
7) high-field electrode and ground electrode end copper sheet and nut to punch in advance respectively is fixed, and forms structure the most in parallel；High-field electrode is connected to impulse power electrical source；Ground electrode ground connection；
8) on region of discharge back and forth over two relative outer walls, one diversion fan of giving vent to anger of each installation；
9) water smoke coagulation structure integrally closed, baffle plate is just to fan, and bottom is ramp structure low between the senior middle school of both sides, and liquid can only flow out from water conservancy diversion water pipe, convenient collection.
The concrete operation step of this example device is as follows:
1) soniclizer is put in the groove of columns base fixing, and in cistern, pour proper amount of clear water into；
2) upper strata region of discharge is enclosed within cistern, and correct connected circuit；
3) open diversion fan of giving vent to anger, and be passed through oxygen from blowhole, form a windstream from bottom to top；
4) waiting 5 minutes, form an oxygen enriched environment in reaction chamber；
5) open impulse power electrical source, voltage is adjusted to appropriate voltage (15kV ~ 35kV), form stable, uniform double-dielectric barrier discharge；
6) open soniclizer, produce the water smoke of micron dimension；The disperse water smoke at cistern top by blowhole in the oxygen stream that is passed through carry, the region of discharge constituted upwardly through array sparking electrode；
7) under the discharge process of plasma, the hydrogen-oxygen bond fission in hydrone, it is decomposed into hydroxyl radical free radical and active hydrogen atom；Under oxygen enriched environment, being tried to be the first by the active oxygen atom of plasma exciatiaon and the higher active hydrogen atom of reproducibility combines, generate water, hydroxyl radical free radical or super hydrogen oxide, in hydrone, remaining hydroxyl radical free radical then combination of two generates hydrogen peroxide；In normal circumstances, hydroxyl radical free radical and super hydrogen oxide chemical property rather unstable, can be within the extremely short time, Auto-decomposition is water, oxygen and hydrogen peroxide again；
8) the hydrogen peroxide water smoke generated through reaction continues to be carried by air-flow from bottom to top, leaves conversion zone；
9) by the hydrogen peroxide water smoke in diversion fan extraction chamber of giving vent to anger, the baffle plate of water smoke coagulation structure condenses into the aqueous hydrogen peroxide solution of big drop, flow into water conservancy diversion water pipe, bleeder along slope, bottom surface.
Claims (4)
1. one kind utilizes the device that plasma discharge prepares hydrogen peroxide, it is characterised in that by impulse power electrical source, cistern, outer wall, soniclizer, array sparking electrode, give vent to anger diversion fan and water smoke coagulation structure is constituted；Wherein:
Described outer wall surrounds a rectangular parallelepiped space, the reaction chamber of constituent apparatus；The junction, middle part of outer wall is Demountable, and this detachable part is divided into reaction chamber cistern and region of discharge two parts on upper strata of lower floor；
Described impulse power electrical source is for providing discharging condition to device；
Described array sparking electrode is made up of metal carefully rod, and its outer layer is with quartz glass tube tight；Array sparking electrode is positioned at inside the reaction chamber of device, forms region of discharge；
Array sparking electrode is divided into high-field electrode and ground electrode two parts, and high-field electrode connects impulse power electrical source, ground electrode ground connection, and two kinds of electrodes are uniformly staggered, respectively from the staggered access of two outer walls that reaction chamber is relative；
Digging fluted in the middle of described columns base, described soniclizer is fixed in this groove；
Two outer wall near top that cistern is relative are each provided with a blowhole；For being passed through oxygen in reaction chamber；
Above array sparking electrode relative to two outer walls on a described diversion fan of giving vent to anger respectively is set, one water smoke coagulation structure of diversion fan overcoat of giving vent to anger, the aqueous hydrogen peroxide solution prepared for collection device.
The device utilizing plasma discharge to prepare hydrogen peroxide the most according to claim 1, it is characterised in that the particular number of described array sparking electrode is adjusted according to the electrical quantity of throughput requirements and impulse power electrical source.
The device utilizing plasma discharge to prepare hydrogen peroxide the most according to claim 1, it is characterised in that ramp structure low between employing both sides, the bottom surface senior middle school of described water smoke coagulation structure.
4. the method utilizing plasma discharge to prepare hydrogen peroxide based on device described in claim 1, it is characterised in that: concretely comprise the following steps:
(1) in cistern, proper amount of clear water is poured into；
(2) utilize detachable outer wall construction, upper strata region of discharge is enclosed within cistern；
(3) high-field electrode of array sparking electrode is received on impulse power electrical source, ground electrode ground connection；
(4) open diversion fan of giving vent to anger, and be passed through oxygen from blowhole, in reaction chamber, form an oxygen enriched environment；
(5) opening impulse power electrical source and soniclizer, start reaction, wherein the concrete electrical quantity of impulse power electrical source and the speed of soniclizer generation water smoke can be adjusted according to the actual production demand of hydrogen peroxide；
(6) utilize blowhole, give vent to anger diversion fan and the structure of device integrally closed, form an air-flow from bottom to top, while being passed through oxygen, carry the vaporific water droplet of micron dimension upwardly through region of discharge；
(7) under the discharge process of plasma, the hydrogen-oxygen bond fission in hydrone, it is decomposed into hydroxyl radical free radical and active hydrogen atom；Under oxygen enriched environment, being tried to be the first by the active oxygen atom of plasma exciatiaon and the higher active hydrogen atom of reproducibility combines, generate water, hydroxyl radical free radical or super hydrogen oxide, in hydrone, remaining hydroxyl radical free radical then combination of two generates hydrogen peroxide；
(8) utilize water smoke coagulation structure, the hydrogen peroxide droplet blown out from device by diversion fan of giving vent to anger is polymerized rapidly, collect hydrogenperoxide steam generator.
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| CN106430429A (en) * | 2016-12-01 | 2017-02-22 | 潘敏 | Device for analyzing composition of chemical waste liquid of azo dyes |
| CN108128755A (en) * | 2018-01-19 | 2018-06-08 | 河海大学常州校区 | Drum-type dielectric barrier discharge water mist dioxygen water preparation apparatus |
| CN108212047A (en) * | 2018-01-19 | 2018-06-29 | 河海大学常州校区 | Small corona electric discharge water mist synthesis hydrogen peroxide plant and its design method |
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| CN106430429A (en) * | 2016-12-01 | 2017-02-22 | 潘敏 | Device for analyzing composition of chemical waste liquid of azo dyes |
| CN108128755B (en) * | 2018-01-19 | 2020-12-22 | 河海大学常州校区 | Drum-type dielectric barrier discharge water mist hydrogen peroxide preparation device |
| CN108238589A (en) * | 2018-01-19 | 2018-07-03 | 河海大学常州校区 | Line plate dielectric barrier discharge automatic adaptation water mist synthesizes hydrogen peroxide plant and method |
| CN108212047B (en) * | 2018-01-19 | 2021-03-09 | 河海大学常州校区 | Small-sized corona discharge water mist hydrogen peroxide synthesis device and design method thereof |
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| CN108249407A (en) * | 2018-01-19 | 2018-07-06 | 河海大学常州校区 | The energy efficiency regulator control system and method for moisture film electric discharge dioxygen water preparation apparatus |
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| CN108439346A (en) * | 2018-01-19 | 2018-08-24 | 河海大学常州校区 | Corona discharge pulse water mist synthesizes hydrogen peroxide plant design and parameter regulates and controls method |
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| CN108249407B (en) * | 2018-01-19 | 2021-06-01 | 河海大学常州校区 | Energy efficiency regulation and control system and method for water film discharge hydrogen peroxide preparation device |
| CN108217605A (en) * | 2018-01-19 | 2018-06-29 | 河海大学常州校区 | Photoelectric Detection bar array automatic energy adaptation water mist synthesis hydrogen peroxide plant |
| CN110127624A (en) * | 2018-02-09 | 2019-08-16 | 中国石油化工股份有限公司 | The method of grating type high throughput plasma reactor and decomposing hydrogen sulfide |
| CN110127624B (en) * | 2018-02-09 | 2023-08-15 | 中国石油化工股份有限公司 | Grid type high flux plasma reactor and method for decomposing hydrogen sulfide |
| CN112067498B (en) * | 2020-07-25 | 2024-02-13 | 东北电力大学 | In-water discharge H 2 O 2 Particle space-time density distribution measuring device and measuring method thereof |
| CN112067498A (en) * | 2020-07-25 | 2020-12-11 | 东北电力大学 | Discharge in water H2O2Particle space-time density distribution measuring device and measuring method thereof |
| CN113225888A (en) * | 2021-05-28 | 2021-08-06 | 南京苏曼等离子工程研究院有限公司 | Low-temperature plasma airflow generator |
| CN113225888B (en) * | 2021-05-28 | 2023-08-04 | 南京苏曼等离子工程研究院有限公司 | Low-temperature plasma airflow generator |
| CN113813425A (en) * | 2021-09-26 | 2021-12-21 | 大连赛纳科技有限公司 | Atmospheric pressure atomization plasma efficient sterilization device and method |
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