CN110841577A - Device for simultaneously preparing hydrogen-rich synthesis gas and carbon nanoparticles - Google Patents
Device for simultaneously preparing hydrogen-rich synthesis gas and carbon nanoparticles Download PDFInfo
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- CN110841577A CN110841577A CN201911242238.4A CN201911242238A CN110841577A CN 110841577 A CN110841577 A CN 110841577A CN 201911242238 A CN201911242238 A CN 201911242238A CN 110841577 A CN110841577 A CN 110841577A
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 56
- 239000001257 hydrogen Substances 0.000 title claims abstract description 56
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000011852 carbon nanoparticle Substances 0.000 title claims abstract description 41
- 239000007789 gas Substances 0.000 title claims abstract description 21
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 12
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 12
- 238000006243 chemical reaction Methods 0.000 claims abstract description 70
- 229910052751 metal Inorganic materials 0.000 claims abstract description 46
- 239000002184 metal Substances 0.000 claims abstract description 46
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 239000000376 reactant Substances 0.000 claims description 33
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 229910052799 carbon Inorganic materials 0.000 claims description 26
- 239000000919 ceramic Substances 0.000 claims description 11
- 230000002572 peristaltic effect Effects 0.000 claims description 11
- 238000007789 sealing Methods 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004677 Nylon Substances 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 229910052726 zirconium Inorganic materials 0.000 claims description 3
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- 238000012856 packing Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 description 18
- 210000002381 plasma Anatomy 0.000 description 13
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 12
- 239000002245 particle Substances 0.000 description 11
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- 238000005265 energy consumption Methods 0.000 description 10
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
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- 238000002407 reforming Methods 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
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- 229920005372 Plexiglas® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000001833 catalytic reforming Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
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- 238000004146 energy storage Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
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- 239000011810 insulating material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
- C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/15—Nano-sized carbon materials
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- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
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- General Health & Medical Sciences (AREA)
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Abstract
The invention discloses a device for simultaneously preparing hydrogen-rich synthesis gas and carbon nanoparticles, which comprises a reaction chamber, wherein two metal electrode plates which are oppositely arranged are arranged in the reaction chamber, an air outlet is arranged at the upper end of the reaction chamber, a liquid inlet and a liquid outlet are arranged on the reaction chamber, the device also comprises a microporous insulation plate, the microporous insulation plate is arranged between the two metal electrode plates which are oppositely arranged, and the microporous insulation plate divides the reaction chamber into a reaction chamber I and a reaction chamber II. The device can improve the preparation efficiency of hydrogen-rich gas and carbon nanoparticles and reduce power consumption.
Description
Technical Field
The invention relates to the field of devices for preparing hydrogen-rich synthesis gas, in particular to a device for simultaneously preparing hydrogen-rich synthesis gas and carbon nanoparticles.
Background
Hydrogen energy is widely considered as a substitute for traditional fossil fuels, and has the advantages of light weight, no toxicity, high combustion heat value, no pollution of combustion products and the like. Meanwhile, the carbon nano material becomes a research hotspot in recent years, and has great application value in the aspects of electric element preparation, energy storage, medical diagnosis and the like. However, the existing hydrogen-rich gas and carbon nanoparticles preparation device has the disadvantages of high energy consumption, low preparation efficiency and the like.
Disclosure of Invention
The invention provides a device for simultaneously preparing hydrogen-rich synthesis gas and carbon nanoparticles, which solves the problems of high energy consumption, low preparation efficiency and the like of the conventional device.
The technical means adopted by the invention are as follows:
the utility model provides a prepare device of rich hydrogen synthetic gas and carbon nanoparticle simultaneously, includes the reacting chamber, be equipped with two metal electrode boards of relative setting in the reacting chamber, the reacting chamber upper end is equipped with the gas outlet, be equipped with inlet and liquid outlet on the reacting chamber, still include the micropore insulation board, the micropore insulation board is arranged in between two metal electrode boards of relative setting, the micropore insulation board will reacting chamber is separated into reacting chamber I and reacting chamber II.
Furthermore, the inner diameter of the holes in the microporous insulating plate is 50-1000 microns, and the area of the holes accounts for 1/4-1/2 of the total area of the microporous insulating plate.
Furthermore, the thickness of the micropore insulation board is 1-3 mm, and the distance between the working surface of the micropore insulation board and the metal electrode plate corresponding to the working surface is 5-10 mm.
Further, the micropore insulation board is a micropore ceramic board, a micropore nylon board or a micropore polytetrafluoroethylene board.
Further, still include plate electrode adjustment mechanism, plate electrode adjustment mechanism includes threaded rod, seal receptacle, sealing washer, packing ring and nut, the seal receptacle passes through the nut to be fixed on the reaction chamber, metal electrode plate fixes the one end of threaded rod, the threaded rod with seal receptacle threaded connection.
The device further comprises a carbon capture well, a reactant supply groove and a peristaltic pump, wherein one end of the carbon capture well is connected with a liquid outlet of the reaction chamber, the other end of the carbon capture well is connected with the reactant supply groove, and the peristaltic pump is connected with a liquid inlet of the reaction chamber and the reactant supply groove.
Furthermore, the area of the metal electrode plate is 1/2-2/3 of the area of the micropore insulation plate.
Further, the metal electrode plate is a titanium plate, a tin-plated plate, a galvanized plate, a zirconium plate, a copper plate or an aluminum plate.
Further, the reaction chamber is made of plexiglass, quartz or stainless steel.
Compared with the prior art, the device for simultaneously preparing the hydrogen-rich synthesis gas and the carbon nano particles has the advantages that the micropore insulation plate is arranged in the reaction chamber, large-area discharge can be carried out between the micropores on the micropore insulation plate and the corresponding electrode plate, and further large-area and high-density plasma is generated, so that the generated high-energy electrons, active free radicals and organic matters can fully react, meanwhile, the high-efficiency preparation of the hydrogen and the carbon nano particles is realized, and the device has stronger practical value and application prospect.
Drawings
FIG. 1 is a block diagram of an apparatus for simultaneously producing hydrogen-rich syngas and carbon nanoparticles according to the present disclosure;
FIG. 2 is an enlarged view of FIG. 1 within the dashed box;
FIG. 3 is a block diagram of the seal housing;
fig. 4 is a flow diagram of a method for producing hydrogen-rich syngas with carbon nanoparticles using the disclosed apparatus.
In the figure: 1. the reaction chamber comprises a reaction chamber body 101, a reaction chamber I, 102, a reaction chamber II, 2, a substrate, 3, a microporous ceramic plate, 4, a metal electrode plate, 5, an air outlet, 6, a gasket, 7, a screw cap, 8, a reactant, 9, a threaded rod, 10, a threaded rod, 11, a fastener, 12, a sealing seat, 120, a clamping part, 121, a threaded part, 13, a liquid inlet, 14, a liquid outlet, 15, a reactant supply groove, 16, a carbon capture well, 17, a peristaltic pump, 18, a pipeline, 19, a sealing ring, 20 and an electrode plate adjusting mechanism.
Detailed Description
Fig. 1 shows a device for simultaneously preparing hydrogen-rich syngas and carbon nanoparticles, which is disclosed by the invention, and comprises a reaction chamber 1, two metal electrode plates 4 which are oppositely arranged are arranged in the reaction chamber 1, an air outlet 5 is arranged at the upper end of the reaction chamber 1, a liquid inlet 13 and a liquid outlet 14 are arranged on the reaction chamber 1, and a microporous insulating plate 3, wherein the microporous insulating plate 3 is arranged between the two metal electrode plates 4 which are oppositely arranged, and the microporous insulating plate 3 divides the reaction chamber 1 into a reaction chamber i 101 and a reaction chamber II 102.
Specifically, the reaction chamber 1 is disposed between the upper and lower substrates 2, the size of the upper and lower substrates 2 is larger than that of the reaction chamber 1, and a screw 10 and a fastener 11 are disposed on the upper and lower substrates 2 (outside the reaction chamber) to fix the reaction chamber 1 between the upper and lower substrates 2, thereby forming a closed space for the reaction of the hydrogen-rich syngas and the carbon nanoparticles. The material of the reaction chamber 1 can be transparent insulating materials such as organic glass and quartz, or metal materials such as stainless steel; two metal electrode plates 4 are oppositely arranged in a reaction chamber 1, a high-voltage power supply is connected on the two metal electrode plates 4, the power supply can be a pulse, direct current or alternating current power supply, a microporous insulating plate 3 is arranged between the two metal electrode plates 4, and when hydrogen-rich synthesis gas and carbon nano-particles are prepared, a reactant 8 is arranged in the reaction chamber 1, and the reactant is an organic matter containing carbon and hydrogen elements, such as methanol, formic acid, benzene, toluene and the like; the operation environment of the device can be carried out under normal pressure or negative pressure, a high-voltage power supply is connected on the two metal electrode plates, the microporous insulating plate 3 is arranged in the reactant 8, plasmas are generated on two sides of each small hole on the microporous insulating plate 3 and act with the corresponding metal electrode plate, namely, the underwater discharge plasma technology is utilized to generate a large amount of high-energy electrons and active free radicals to react with the reactant, chemical bonds such as C-H, C-O, H-O are broken, and a plurality of new substances including hydrogen and carbon particles are formed after reforming; the micropore insulation plate 3 can form large-area and high-density plasmas on two sides of the micropore, so that the reaction efficiency is improved; the two metal electrodes can be made of titanium plates, tin plates or zirconium plates, strong light radiated by discharge can be fully utilized, and the preparation efficiency of hydrogen and carbon nano materials is improved through photocatalysis; the metal electrode plate 4 can also be made of a material with a lower electron work function, such as a galvanized material, a copper plate or an aluminum plate, and the like, so that high-energy electrons can be emitted under a strong electric field, the collision probability between the high-energy electrons and reactant molecules is increased, and the efficiency of hydrogen production and carbon nano materials is further improved; the metal electrode material can also be other single or composite metals, and the efficiency of hydrogen production and carbon production nano-particles can be further improved by utilizing the metal electrode with low electron work function or the metal electrode with photocatalytic property.
The micropore insulation board is a micropore ceramic board, a micropore nylon board or a micropore polytetrafluoroethylene board. The aperture of the micropores on the microporous insulating plate is preferably 50-1000 microns, and the total area of the micropores accounts for 1/4-1/2 of the total area of the microporous insulating plate. Taking the preparation of hydrogen-rich synthesis gas and carbon nano material by discharging in a methanol solution with the volume fraction of 50% as an example, the discharge frequency is 150Hz, and the peak voltage is 25 kV. When the inner diameter of the hole on the micropore insulation board is 500 mu m and the area of the hole accounts for 1/3 of the total area of the micropore insulation board, the total flow of hydrogen production reaches 5L/min, the hydrogen selectivity is 80 percent, and the energy consumption of hydrogen production is about 0.3 kW.h/m3H2The average particle size of the carbon nano-particles is 15 +/-8 nm; when the inner diameter of the hole on the micropore insulation board is 2000 mu m and the area of the hole accounts for 2/3 of the total area of the micropore insulation board, the total flow of hydrogen production reaches 0.5L/min, the hydrogen selectivity is 65 percent, and the energy consumption is about 2.8 kW.h/m3H2The average particle diameter of the carbon nanoparticles is 140 +/-60 nm.
Further, the metal electrode plate 4 may be circular, square, or any other shape, and the size and shape of the two electrode plates may be the same or different according to the requirement. Further, the device also includes an electrode plate adjusting mechanism 20, as shown in fig. 2 and fig. 3, the electrode plate adjusting mechanism 20 includes a threaded rod 9, a seal seat 12, a seal ring 19, a gasket 6 and a nut 7, the seal seat 12 includes a clamping portion 120 and a threaded portion 121 of a sleeve structure, the clamping portion 120 is fixed at one end of the threaded portion 121, the outer diameter of the clamping portion is larger than the outer diameter of the threaded portion, the seal seat 12 is fixed on the reaction chamber, that is, the clamping portion of the seal seat 12 abuts against the inner wall of the reaction chamber, the threaded portion 121 extends out from the side wall of the reaction chamber, threads are arranged on the inner and outer walls of the threaded portion 121, the outer wall of the threaded portion is sequentially provided with the seal ring 19 and the gasket 6 and the threaded portion is sealed with the side wall of the reaction chamber by the nut 7, the threaded rod 9 is connected with internal threads on the seal seat, the threaded rod can be rotated through the hand wheel so as to adjust the distance between the metal electrode plate and the side wall of the reaction chamber, namely the distance between the metal electrode plate and the micropore insulation plate can be adjusted, and a sealing ring (not shown in the figure) is also arranged between the threaded rod and the sealing seat so as to be used for sealing between the threaded rod and the sealing seat.
The device also comprises a carbon capture well 16, a reactant supply tank 15 and a peristaltic pump 17, wherein one end of the carbon capture well 16 is connected with a liquid outlet 14 of the reaction chamber 1 through a pipeline 18, the other end of the carbon capture well is connected with the reactant supply tank 15 through a pipeline 18, and the peristaltic pump 17 is connected with a liquid inlet 13 of the reaction chamber and the reactant supply tank 15 through a pipeline 18.
Specifically, the reaction chamber 1 is provided with a liquid inlet 13, a liquid outlet 14 and a gas outlet 5; the reactant supply tank 15 is used for accommodating a supply liquid and supplying the reaction chamber 1 by a peristaltic pump; namely, the reactant supply tank 15 is connected with the liquid inlet 13 and the liquid outlet 14 through a pipeline 18; the reactant is supplied into the reaction chamber through a peristaltic pump 17 arranged on a pipeline 18 between the liquid inlet 13 and the reactant supply tank 15, and a carbon trap 16 is arranged on the pipeline 18 between the liquid outlet 14 and the reactant supply tank 15; the reactant supply liquid flows out of the supply groove and enters the reaction chamber 1 from the liquid inlet through the peristaltic pump 17; the liquid in the reaction chamber 1 flows out from the liquid outlet 14, and carbon in the liquid is filtered through the carbon trap 16 and then returned to the supply tank.
The distance between the metal electrode plate 4 and the micropore insulation plate 3 is 1-50 mm, preferably, the thickness of the micropore insulation plate 3 is 1-3 mm, and the distance between the working surface of the micropore insulation plate 3 and the metal electrode plate 4 corresponding to the working surface is 5-10 mm. The distances between the metal electrodes on the two sides and the microporous ceramic plate can be the same or different according to requirements; the gas outlet can be arranged on the substrate or the reaction chamber; preferably, the center of the metal electrode is in a straight line with the center of the microporous ceramic plate; two ends of the substrate are connected with the bottom of the reaction chamber through a screw 10 and a fastener 11; a plurality of screws respectively penetrate through one end of the substrate and the bottom of the reaction chamber and are fixed through fasteners; before preparing hydrogen and carbon nano particles, firstly, arranging a microporous ceramic plate at the centers of two reaction chambers, respectively connecting metal electrodes to one side of the two reaction chambers (a reaction chamber I and a reaction chamber II), then adjusting the distance between the two metal electrodes and the microporous ceramic plate, and connecting the two ends of a substrate and the bottom of the reaction chambers through the screw and a fastener, so that the substrate and the reaction chambers form a closed space for accommodating reactants and completing preparation of hydrogen and carbon nano particles, and the used organic reactants can be pure substances or aqueous solution thereof; the liquid inlet and the liquid outlet can be arranged on the side wall of the reaction chamber and also can be arranged on the substrate. Furthermore, the area of the metal electrode plate is 1/2-2/3 of the area of the micropore insulation plate.
The implementation method of the device for simultaneously preparing hydrogen-rich synthesis gas and carbon nano particles disclosed by the invention comprises the following steps:
step 1: placing a reactant or an aqueous solution thereof in a reaction chamber, wherein the liquid level of the reactant or the aqueous solution thereof is over two metal electrodes, and applying high voltage to the reactant or the aqueous solution thereof through the two metal electrodes;
step 2: during the discharging process, synthesis gas rich in hydrogen is respectively generated in the two reaction chambers and is collected and stored or directly utilized after being discharged from the gas outlet; one part of the generated carbon nano particles is led out from the liquid outlet and collected by the carbon trap well, and the other part of the generated carbon nano particles floats in the reactant liquid and is filtered and collected after discharging.
The form of discharge, including corona discharge, spark discharge or arc discharge, is adjusted by varying the source parameters of the high voltage power supply.
The voltage range of the discharge is 1kV to 60kV, and if the discharge is pulse discharge, the frequency range is 1Hz to 6000 Hz; the voltage range of the discharge is preferably 20kV to 40kV, and the preferred frequency range of the pulse discharge is 30Hz to 300 Hz; the discharge type is corona discharge, spark discharge or arc discharge; when low-frequency pulse discharge is adopted, the energy consumption can be effectively reduced, and the energy efficiency of hydrogen production and carbon production nano-particles is improved; the metal electrodes in the reaction chamber are completely immersed in the liquid reactant, and the liquid reactant is converted in the form of underwater discharge to prepare hydrogen and carbon nanoparticles.
The metal electrode is detachably connected with the reaction chamber; the invention utilizes the underwater discharge plasma technology to generate a large amount of high-energy electrons and active free radicals to react with reactants, so that chemical bonds such as C-H, C-O, H-O are broken, and a plurality of new substances including hydrogen and carbon particles are formed after reforming; the microporous ceramics can form large-area and high-density plasmas on two sides of the micropores, so that the reaction efficiency is improved; the efficiency of producing hydrogen and carbon nano particles can be further improved by utilizing a metal electrode with low electron work function or a metal electrode with photocatalytic property; the invention has simple design, low cost and convenient disassembly, and can be applied to other fields of discharge plasma application.
The invention adopts the form of underwater discharge plasma, and effectively increases the spatial distribution and density of the plasma compared with the traditional discharge mode; meanwhile, the microporous ceramic is used as a discharge electrode, large-area and high-density plasma is directly generated in the organic matter containing the hydrocarbon element, the defect of low gas-liquid interface mass transfer efficiency in the traditional plasma technology is overcome, the generated high-energy electrons and active free radicals can fully react with the organic matter, meanwhile, the efficient preparation of hydrogen and carbon nanoparticles is realized, and the microporous ceramic has strong practical value and application prospect; in addition, the preparation efficiency is further improved by optimizing metal electrode materials, enhancing electron emission or by means of photocatalysis; through the setting of alcohol supply device, peristaltic pump and carbon catch well for the reactant can constantly be supplied, and through the circulation of reactant and utilize the carbon catch well that sets up on the circulating line, can realize the separation and the collection of carbon nanoparticle. The carbon nano-particles prepared by the device have fluorescence generally and can be used as carbon quantum dot materials.
The invention is illustrated by the specific example below comparing with the prior art, the methanol solution with 50% volume fraction is placed in the reaction chamber, the methanol solution is acted by high voltage pulse electricity with frequency of 150Hz and voltage of 25kV, two metal electrodes adopt galvanized plate electrodes, the discharge type is spark discharge, the total flow of hydrogen production reaches 5L/min, the percentage concentration of hydrogen is 80%, the energy consumption of hydrogen production is about 0.3 kW.h/m3H2The average particle size of the carbon nanoparticles is 15 +/-8 nm, and the current technical situations of hydrogen production and carbon nanoparticle preparation are respectively shown in tables 1 and 2:
TABLE 1 Current State of Hydrogen production by discharge plasma
TABLE 2 Current State of preparation of carbon nanoparticles
The energy consumption of the catalytic reforming hydrogen production and the electrolytic water hydrogen production which are industrially applied at present is respectively 2kWh/m3H2、4.3kWh/m3H2And the energy consumption is higher than that of the scheme. In the application of plasma hydrogen production, the yield per unit time of the microwave discharge hydrogen production in the ethanol solution is higher than that of the scheme, but the energy consumption of all methods is higher than that of the scheme. Meanwhile, the particle size of the carbon particles obtained by the existing technology for preparing the carbon nanoparticles is generally more than 20nm and the particle size distribution is not uniform, but the carbon particles prepared by the method have smaller particle size and smaller particle sizeThe distribution is more uniform. Therefore, the energy consumption of hydrogen production reaches the international leading level, and the efficient preparation of the carbon nano-particles ensures that the method has lower cost and wide application prospect.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (9)
1. The utility model provides a prepare device of hydrogen-rich synthetic gas and carbon nanoparticle simultaneously, includes reaction chamber (1), be equipped with two metal electrode board (4) of relative setting in reaction chamber (1), reaction chamber (1) upper end is equipped with gas outlet (5), be equipped with inlet (13) and liquid outlet (14) on reaction chamber (1), its characterized in that: still include micropore insulating board (3), micropore insulating board (3) are arranged in between two metal electrode board (4) of relative setting, micropore insulating board (3) will reaction chamber (1) is separated into reaction chamber I (101) and reaction chamber II (102).
2. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: the inner diameter of the hole in the micropore insulation board (3) is 50-1000 mu m, and the area of the hole accounts for 1/4-1/2 of the total area of the micropore insulation board.
3. The apparatus for simultaneously producing a hydrogen-rich synthesis gas and carbon nanoparticles according to claim 1 or 2, wherein: the thickness of the micropore insulation board (3) is 1-3 mm, and the distance between the working face of the micropore insulation board (3) and the metal electrode plate (4) corresponding to the working face is 5-10 mm.
4. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as recited in claim 3, wherein: the micropore insulation board is a micropore ceramic board, a micropore nylon board or a micropore polytetrafluoroethylene board.
5. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: still include plate electrode adjustment mechanism, plate electrode adjustment mechanism includes threaded rod, seal receptacle, sealing washer, packing ring and nut, the seal receptacle passes through the nut to be fixed on the reacting chamber, metal plate electrode fixes the one end of threaded rod, the threaded rod with seal receptacle threaded connection.
6. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: still include carbon catch well (16), reactant supply groove (15) and peristaltic pump (17), carbon catch well (16) one end is connected with the liquid outlet (14) of reaction chamber, and the other end is connected with reactant supply groove (15), peristaltic pump (17) are connected the inlet (13) of reaction chamber with reactant supply groove (15).
7. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: the area of the metal electrode plate is 1/2-2/3 of the area of the micropore insulation plate.
8. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: the metal electrode plate is a titanium plate, a tin-plated plate, a galvanized plate, a zirconium plate, a copper plate or an aluminum plate.
9. The apparatus for simultaneously producing a hydrogen-rich syngas with carbon nanoparticles as claimed in claim 1, wherein: the reaction chamber is made of organic glass, quartz or stainless steel.
Priority Applications (1)
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