31results about How to "Large micro discharge current" patented technology

The invention relates to the field of plasma chemistry, and discloses a plasma device and a method for decomposing hydrogen sulfide; the device comprises a first cavity (1), a second cavity (2), an inner electrode (3), an outer electrode (4) and a blocking medium (6), wherein the inner electrode (3) and the outer electrode (4) are both solid electrodes, and the shapes of the inner electrode (3) and the outer electrode (4) are mutually matched to form an equal-diameter structure. The low-temperature plasma reactor provided by the invention can realize continuous and stable operation of a hydrogen sulfide decomposition process under an obviously high hydrogen sulfide conversion rate, and the device can realize long-period operation.

The invention relates to the field of plasma chemistry, and discloses a low temperature plasma reactor and a method for decomposing hydrogen sulfide. The reactor comprises: an inner cylinder (1); an outer cylinder (2) nested in the outer portion of the inner cylinder (1); a center electrode (3) arranged in the inner cylinder (1); a grounding electrode (4) formed by a solid electric-conduction material, wherein the grounding electrode forms at least part of the side wall of the inner cylinder or is arranged around the outer side wall of the inner cylinder; and a barrier medium, wherein the barrier medium forms at least part of the side wall of the inner cylinder or is arranged around the inner side wall of the inner cylinder. According to the present invention, the low temperature plasma reactor can achieve the continuous and stable performing of the hydrogen sulfide decomposition process at a significantly high hydrogen sulfide conversion rate, and can achieve long-cycle operation.

The invention relates to the field of plasma chemistry, and discloses a high-flux low-temperature plasma system for decomposing hydrogen sulfide, and a method for decomposing hydrogen sulfide. The system comprises a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit, wherein the plasma reaction unit comprises a low temperature plasma reactor, the reactor comprises an inner cylinder (1) containing a reaction pipe (14), an outer cylinder (2) nested in the outer portion of the inner cylinder, a center high-voltage electrode (3) arranged in the reaction pipe, agrounding electrode (4) arranged on the side wall of the reaction pipe or forming the side wall of the reaction pipe, and a barrier medium (6), and the barrier medium forms the side wall of the reaction pipe, or is arranged around the side wall of the reaction pipe, or is arranged on the outer surface of the center high-voltage electrode (3). According to the present invention, the system and themethod have high hydrogen sulfide conversion rate.

The present invention relates to the field of plasma chemistry, and discloses a low temperature plasma reaction apparatus and a method for decomposing hydrogen sulfide. The low temperature plasma reaction apparatus comprises: an inner cylinder (1); an outer cylinder (2) nested in the outer portion of the inner cylinder (1); a center electrode (3) arranged in the inner cylinder (1); a grounding electrode (4) arranged around the side wall of the inner cylinder (1); and a barrier medium (6) arranged on at least part of the outer surface of the center electrode (3), wherein a ratio (L1:L2) of thedistance L1 between the outer side wall of the barrier medium and the inner side wall of the grounding electrode to the length L2 of a discharge region is 1:(0.5-6000). According to the present invention, the low temperature plasma reaction apparatus can achieve the continuous and stable performing of the hydrogen sulfide decomposition process at a significantly high hydrogen sulfide conversion rate, and can achieve long-cycle operation.

The present invention relates to the field of plasma chemistry, and discloses low temperature plasma reaction equipment and a hydrogen sulfide decomposing method. The reaction equipment comprises: aninner cylinder (1); an outer cylinder (2) nested on the outer portion of the inner cylinder (1); a center electrode (3) arranged in the inner cylinder (1); a grounding electrode (4) formed by a solidelectric-conduction material, wherein the grounding electrode forms at least part of the side wall of the inner cylinder or is arranged around the inner side wall of the inner cylinder; and a barriermedium arranged between the grounding electrode and the center electrode. According to the present invention, the low temperature plasma reaction equipment can achieve the continuous and stable performing of the hydrogen sulfide decomposition process at a significantly high hydrogen sulfide conversion rate, and can achieve long-cycle operation.

The invention relates to the field of plasma chemistry, and discloses a method for decomposing hydrogen sulfide through plasma. The method comprises: introducing a hydrogen sulfide-containing raw material gas into a plasma system containing a plasma reactor under dielectric barrier discharge conditions, and carrying out a hydrogen sulfide decomposition reaction, wherein the dielectric barrier discharge conditions comprise a discharge voltage of 5-30 kV and a discharge frequency of 200-30000 Hz, the hydrogen sulfide decomposition reaction conditions comprise a reaction temperature of 0-800 DEGC and a reaction pressure of -0.06-0.6 MPa, and the residence time of the reactant in the plasma reactor is 1*10<-5>-120 s. According to the present invention, with the method, by using the specific discharge conditions and the hydrogen sulfide decomposition reaction conditions, the high hydrogen sulfide conversion rate under the dielectric barrier discharge conditions can be achieved.

The invention relates to the field of plasma chemistry, and discloses a low temperature plasma device and a method of decomposing hydrogen sulfide, the device comprising: a first cavity (1), a secondcavity (2), a third cavity (7), an inner electrode (3), an outer electrode (4), and a barrier medium (6), wherein the inner electrode (3) and the outer electrode (4) being both solid electrodes and the shapes of which cooperate with each other to form an isodiametric structure. The low-temperature plasma reaction device provided by the invention can realize continuous and stable operation of a hydrogen sulfide decomposition process under an obviously high hydrogen sulfide conversion rate, and the device can realize long-period operation.

The invention relates to the field of plasma chemistry, and discloses a low temperature plasma system for decomposing hydrogen sulfide, and a method for decomposing hydrogen sulfide. The system comprises a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit, wherein the gas supply-gas distribution unit, the plasma reaction unit and the product separation unit aresequentially connected through pipelines, the plasma reaction unit comprises a low temperature plasma reactor and a plasma power source, the reactor comprises an inner cylinder, an outer cylinder, acenter electrode arranged in the inner cylinder, a barrier medium and a grounding electrode, the barrier medium is arranged around the side wall of the inner cylinder or wraps the outer surface of thecenter electrode or forms the side wall of the inner cylinder, and a ratio (L1:L2) of the thickness L1 of a discharge gas gap to the length L2 of a discharge region is 1:(0.5-6000). According to thepresent invention, with the apparatus and the method, the hydrogen sulfide conversion rate can be increased.

The invention relates to the field of plasma chemistry, and discloses high-flux low-temperature plasma discharge equipment and a method for decomposing hydrogen sulfide. The high-flux low-temperatureplasma discharge equipment comprises a first cavity (1), a second cavity (2) which is nested in the first cavity (1), a high-voltage electrode (3) and a grounding electrode (4) which are arranged in the first cavity (1), and a blocking medium which is arranged on the outer surface(s) of the high-voltage electrode (3) and / or the grounding electrode (4). The high-flux low-temperature plasma discharge equipment provided by the invention has the advantages of high hydrogen sulfide conversion rate, low energy consumption and capability of realizing high-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a low-temperature plasma device for decomposing hydrogen sulfide and a method for decomposing hydrogen sulfide. The device contains a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit connected sequentially through pipelines. The plasma reaction unit contains a low-temperature plasma reactor and a plasma power supply. The reactor includes: an inner cylinder, an outer cylinder, a central electrode arranged in the inner cylinder, and a side wall arranged around the inner cylinder or wrapped in the center The outer surface of the electrode or the barrier medium forming the side wall of the inner cylinder, the ground electrode; the thickness L of the discharge air gap 1 with the thickness of the barrier dielectric D 1 The proportional relationship is: L 1 :D 1 =(0.05~100):1. The low-temperature plasma device for decomposing hydrogen sulfide and the method for decomposing hydrogen sulfide provided by the invention can improve the conversion rate of hydrogen sulfide.

The invention relates to the field of plasma chemistry, and discloses a multi-reaction-tube low-temperature plasma device and a method for decomposing hydrogen sulfide, the device comprising: a firstcavity (1) formed by at least two parallel reaction tubes; the second cavity (2) that is nested in the first cavity (1); the third cavity (7) that is nested outside the first cavity (1); and an innerelectrode (3), an outer electrode (4) and a blocking medium (6) that are respectively arranged in each reaction tube. The multi-reaction-tube low-temperature plasma reaction device provided by the invention can be used for plasma decomposition of hydrogen sulfide, and the reactor can generate uniform and efficient dielectric barrier discharge, so that hydrogen sulfide is directly decomposed into hydrogen and sulfur.

The invention relates to the field of plasma chemistry, and discloses a method for decomposing hydrogen sulfide by plasma, comprising: introducing raw material gas containing hydrogen sulfide into a plasma system containing a plasma reactor for sulfurization under dielectric barrier discharge conditions Hydrogen decomposition reaction, the dielectric barrier discharge conditions include: a discharge voltage of 5-30kV, a discharge frequency of 200-30000Hz; and the conditions of the hydrogen sulfide decomposition reaction include: a reaction temperature of 0-800°C, a reaction pressure of -0.06 MPa to 0.6MPa, the residence time of the reactant in the plasma reactor is 1×10 ‑5 ~120s. The method for decomposing hydrogen sulfide by plasma provided by the present invention can obtain a higher conversion rate of hydrogen sulfide under dielectric barrier discharge conditions by adopting specific discharge conditions and hydrogen sulfide decomposition reaction conditions.

The invention relates to the field of plasma chemistry, and discloses a grid type high-throughput plasma reactor and a hydrogen sulfide decomposing method. The grid type high-throughput plasma reactorcomprises: an inner cylinder (1); an outer cylinder (2); high-voltage electrodes (3) and grounding electrodes (4) arranged in the inner cylinder (1); and a barrier medium (6) arranged on the outer surface of the high-voltage electrode (3) and / or the grounding electrode (4), wherein various high-voltage electrode layers and various grounding electrode layers are arranged in a staggered manner, such that the one grounding electrode is inserted between the two adjacent high-voltage electrodes in each high-voltage electrode layer so as to form a high-voltage-grounding mixing layer alternately containing the high-voltage electrodes and the grounding electrodes. According to the present invention, the grid type high-throughput plasma reactor has advantages of high hydrogen sulfide conversion rate, low energy consumption and high-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a high-flux low-temperature plasma discharge device and a method for decomposing hydrogen sulfide, comprising: a first cavity (1); The second cavity (2); the high-voltage electrode (3) and the ground electrode (4) arranged in the first cavity (1), a blocking medium, and the blocking medium is arranged on the high-voltage electrode (3) and / or the The outer surface of the ground electrode (4). The low-temperature plasma discharge device provided by the present invention has the advantages of high hydrogen sulfide conversion rate, low energy consumption and capable of realizing large-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a plasma discharge device and a method for decomposing hydrogen sulfide; the discharge device comprises a first cavity (1), a second cavity (2), an inner electrode (3), an outer electrode (4) and a blocking medium (6); the inner electrode (3) and the outer electrode (4) are both solid electrodes, and the shapes of the inner electrode (3) and the outer electrode (4) are matched with each other to form an equal-diameter structure. The plasma discharge device provided by the invention can realize continuous and stable operationof a hydrogen sulfide decomposition process under an obviously high hydrogen sulfide conversion rate, and the reactor can realize long-period operation.

The invention relates to the field of plasma chemistry, and discloses a low-temperature plasma device and a method for decomposing hydrogen sulfide; the device comprises a first cavity (1), a second cavity (2), a third cavity (7), an inner electrode (3), an outer electrode (4) and a blocking medium (6), wherein the inner electrode (3) and the outer electrode (4) are both solid electrodes, and theshapes of the inner electrode (3) and the outer electrode (4) are mutually matched to form an equal-diameter structure. According to the low-temperature plasma reaction device provided by the invention, the hydrogen sulfide decomposition process can be continuously and stably carried out under the condition of obviously higher hydrogen sulfide conversion rate, and the device can realize long-period operation.

The invention relates to the field of plasma chemistry, and discloses a method for decomposing hydrogen sulfide through dielectric barrier discharge. The method comprises: introducing a hydrogen sulfide-containing raw material gas into a grid type plasma reactor under dielectric barrier discharge conditions, and carrying out a hydrogen sulfide decomposition reaction, wherein the dielectric barrierdischarge conditions comprise a discharge voltage of 5-30 kV and a discharge frequency of 200-30000 Hz, the hydrogen sulfide decomposition reaction conditions comprise a reaction temperature of 0-800DEG C and a reaction pressure of -0.06-0.6 MPa, and the residence time of the reactant in the grid type plasma reactor is 1*10<-5>-120 s. According to the present invention, the method can achieve high hydrogen sulfide conversion rate.

The invention relates to the field of plasma chemistry, and discloses a low temperature plasma system for decomposing hydrogen sulfide, and a method for decomposing hydrogen sulfide. The system comprises a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit, wherein the gas supply-gas distribution unit, the plasma reaction unit and the product separation unit aresequentially connected through pipelines, the plasma reaction unit comprises a low temperature plasma reactor and a plasma power source, the reactor comprises an inner cylinder, an outer cylinder, acenter electrode arranged in the inner cylinder, a barrier medium and a grounding electrode, the barrier medium is arranged around the side wall of the inner cylinder or wraps the outer surface of thecenter electrode or forms the side wall of the inner cylinder, and a ratio (L1:L2) of the thickness L1 of a discharge gas gap to the length L2 of a discharge region is 1:(0.5-6000). According to thepresent invention, with the apparatus and the method, the hydrogen sulfide conversion rate can be increased.

The invention relates to the field of plasma chemistry, and discloses a high-flux plasma reaction apparatus and a hydrogen sulfide decomposing method. The high-flux plasma reaction apparatus comprises: an inner cylinder (1) containing reaction pipes (14); an outer cylinder (2) nested on the outer portion of the inner cylinder (1); center high-voltage electrodes (3); grounding electrodes (4) respectively arranged around the outer side walls of each reaction pipe (14) or forming the side wall; and a barrier medium arranged on at least part of the outer surface of the center high-voltage electrode (3), wherein a ratio (L1:L2) of the distance L1 between the outer side wall of the barrier medium and the inner side wall of the grounding electrode and the length L2 of a discharge area is (0.5-6000). According to the present invention, the apparatus can achieve the continuous and stable performing of a hydrogen sulfide decomposing process at a significantly high hydrogen sulfide conversion rate, and can achieve long-period operation.

The invention relates to the field of plasma chemistry, and discloses a low-temperature plasma discharge device and a hydrogen sulfide decomposition method; the discharge device comprises a first cavity (1), a second cavity (2), a third cavity (7), an inner electrode (3), an outer electrode (4) and a blocking medium (6); the inner electrode (3) and the outer electrode (4) are both solid electrodes, and the shapes of the inner electrode (3) and the outer electrode (4) are mutually matched to form an equal-diameter structure. According to the low-temperature plasma discharge device provided by the invention, the hydrogen sulfide decomposition process can be continuously and stably carried out under an obviously high hydrogen sulfide conversion rate, and the discharge device can realize long-period operation.

The invention relates to the field of plasma chemistry, and discloses a high-flux low-temperature plasma discharge device and a method for decomposing hydrogen sulfide. The high-flux low-temperature plasma discharge device comprises a first cavity (1), a second cavity (2) which is nested in the first cavity (1), a high-voltage electrode (3) and a grounding electrode (4) which are arranged in the first cavity (1), and a blocking medium which is arranged on the outer surface(s) of the high-voltage electrode (3) and / or the grounding electrode (4). The low-temperature plasma discharge device provided by the invention has the advantages of high hydrogen sulfide conversion rate, low energy consumption and capability of realizing high-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a high-throughput low-temperature plasma reactor and a method for decomposing hydrogen sulfide. The high-throughput low-temperature plasma reactor comprises: an inner cylinder (1) containing at least two reaction pipes (14) arranged side by side; an outer cylinder (2) nested in the outer portion of the inner cylinder (1); centerhigh-voltage electrodes (3) respectively arranged in each reaction pipe (14); a grounding electrode (4) made of a solid electric-conduction material; and a barrier medium, wherein the barrier mediumforms at least part of the side wall of the reaction pipe or is arranged around the inner side walls of each reaction pipe (14). According to the present invention, the high-throughput low-temperatureplasma reactor can be used for the plasma decomposition of hydrogen sulfide, and can generate uniform and efficient dielectric barrier discharge so as to directly decompose hydrogen sulfide to generate hydrogen and sulfur.

The invention relates to the field of plasma chemistry, and discloses a plasma reaction apparatus and a method for decomposing hydrogen sulfide. The plasma reaction apparatus comprises: an inner cylinder (1); an outer cylinder (2) nested in the outer portion of the inner cylinder (1); a center electrode (3); and a grounding electrode (4) formed by a solid electric-conduction material, wherein at least part of the cylinder body structure of the inner cylinder (1) is formed by a barrier medium, or a barrier medium is arranged on the inner side wall of the inner cylinder (1), and a ratio (L1:L2)of the distance L1 between the outer side wall of the center electrode (3) and the inner side wall of the grounding electrode to the length L2 of a discharge region is 1:(0.5-6000). According to the present invention, the plasma reaction apparatus can achieve the continuous and stable performing of the hydrogen sulfide decomposition process at a significantly high hydrogen sulfide conversion rate,and can achieve long-cycle operation.

A plasma reaction device and a method for decomposing hydrogen sulfide, comprising: a first cavity (1), a second cavity (2) nested outside the first cavity (1); The high-voltage electrode (3) and the ground electrode (4) in (1) are a barrier medium, and the barrier medium is arranged on the outer surface of the high-voltage electrode (3) and / or the ground electrode (4).

The invention relates to the field of plasma chemistry, and discloses a multi-reaction-tube plasma device and a method for decomposing hydrogen sulfide; the multi-reaction-tube plasma device comprises: a first cavity (1) formed by at least two parallel reaction tubes; a second cavity (2) that is nested in the first cavity (1); and an inner electrode (3), an outer electrode (4) and a blocking medium (6) that are respectively arranged in each reaction tube. The multi-reaction-tube plasma device provided by the invention can be used for plasma decomposition of hydrogen sulfide, and the reactor can generate uniform and efficient dielectric barrier discharge, so that hydrogen sulfide is directly decomposed into hydrogen and sulfur.

The invention relates to the field of plasma chemistry, and discloses a low temperature plasma apparatus for decomposing hydrogen sulfide, and a hydrogen sulfide decomposing method. The apparatus comprises a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit, wherein the gas supply-gas distribution unit, the plasma reaction unit and the product separation unit are sequentially connected by pipelines, the plasma reaction unit comprises a low temperature plasma reactor and a plasma power source, the reactor comprises an inner cylinder, an outer cylinder, a center electrode arranged in the inner cylinder, a barrier medium and a grounding electrode, the barrier medium is arranged around the inner side wall of the inner cylinder, or wraps the outer surface ofthe center electrode, or forms the side wall of the inner cylinder, and a ratio (L1:D1) of the thickness L1 of discharge gas gap to the thickness D1 of the barrier medium is (0.05-100):1. According to the present invention, with the apparatus and the method, the hydrogen sulfide conversion rate can be increased.

The invention relates to the field of plasma chemistry, and discloses a grid type plasma reaction apparatus and a hydrogen sulfide decomposing method. The grid type plasma reaction apparatus comprises: an inner cylinder (1); an outer cylinder (2) nested on the outer portion of the inner cylinder (1); high-voltage electrodes (3) and grounding electrodes (4) arranged in the inner cylinder (1); and abarrier medium (6) arranged on the outer surface of the high-voltage electrode (3) and / or the grounding electrode (4), wherein various high-voltage electrode layers and various grounding electrode layers are arranged in a staggered manner so as to make the upper layers and / or lower layers of each high-voltage electrode layer be the grounding electrode layers, and a gap is arranged between the adjacent high-voltage electrode layer and grounding electrode layer. According to the present invention, the grid type plasma reaction apparatus has advantages of high hydrogen sulfide conversion rate, low energy consumption and high-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a plasma reactor and a method for decomposing hydrogen sulfide. The reactor comprises: an inner cylinder (1); an outer cylinder (2) nested in the outer portion of the inner cylinder (1); a center electrode (3) arranged in the inner cylinder (1); a grounding electrode (4) formed by a solid electric-conduction material, wherein the grounding electrode forms at least part of the side wall of the inner cylinder or is arranged around the inner side wall of the inner cylinder; and a barrier medium (6) arranged on at least part ofthe outer surface of the center electrode (3). According to the present invention, the low temperature plasma reactor can achieve the continuous and stable performing of the hydrogen sulfide decomposition process at a significantly high hydrogen sulfide conversion rate, and can achieve long-cycle operation.

The invention relates to the field of plasma chemistry, and discloses a high-flux plasma discharge device and a hydrogen sulfide decomposition method. The high-flux plasma discharge device comprises afirst cavity (1), and a second cavity (2) and a third cavity (6) respectively nested inside and outside the first cavity (1); the high-flux plasma discharge device further comprises a high-voltage electrode (3) and a grounding electrode (4) which are arranged in the first cavity (1), and a blocking medium which is arranged on the outer surface of the high-voltage electrode (3) and / or the grounding electrode (4). The plasma discharge device provided by the invention has the advantages of high hydrogen sulfide conversion rate, low energy consumption and capability of realizing high-flow hydrogen sulfide treatment.

The invention relates to the field of plasma chemistry, and discloses a high-throughput low-temperature plasma system for decomposing hydrogen sulfide and a method for decomposing hydrogen sulfide. The system includes a gas supply-gas distribution unit, a plasma reaction unit and a product separation unit. The reaction unit contains a low-temperature plasma reactor, which includes: an inner cylinder (1) containing a reaction tube (14); an outer cylinder (2) nested outside the inner cylinder; An electrode (3); a ground electrode (4) arranged on the side wall of the reaction tube or forming the side wall of the reaction tube; a barrier medium (6), the barrier medium forms the side wall of the reaction tube, or the barrier medium is arranged around the reaction tube on the side wall of the central high-voltage electrode (3), or the barrier medium is arranged on the outer surface of the central high-voltage electrode (3). The high-throughput low-temperature plasma system for decomposing hydrogen sulfide and the method for decomposing hydrogen sulfide provided by the invention have the advantage of high conversion rate of hydrogen sulfide.