CN205368262U - Plasma gasification equipment - Google Patents

Abstract

The utility model provides a plasma gasification equipment, relate to plasma device, including gasifier and plasma device, the gasifier comprises fire -resistant brickwork and heat preservation wall, the heat preservation circummure protects on the outer wall of fire -resistant brickwork, there is the gasification zone in the fire -resistant brickwork of gasifier, refractory -lined ovens on gasification zone upper portion has the synthetic gas delivery outlet to connect out on the wall, there is plasma electric arc district gasification zone below in the gasifier, the slag mouth that narrows for the bore between gasification zone and the plasma electric arc district, distinguish the slag notch that the below has the bore to contract gradually at plasma electric arc, the plasma device discharges the subassembly by first discharge subassembly and second and constitutes, first discharge subassembly and second discharge the unit mount the plasma of gasifier electric arc district refractory -lined ovens on the wall, the component that discharges that discharge component and second in the first subassembly that discharges discharge in the subassembly points to in the gasifier. The utility model discloses be fit for using in the solid waste disposal field, turn into solid organic waste the hydrogen -rich synthetic gas who accords with industrial chemicals application request.

Description

A kind of plasma gasification device

Technical field

This utility model relates to electromechanical equipment, especially relates to a kind of equipment for gasification.

Background technology

The gasifying agent used in traditional gasification units is water vapour+air or water vapour+oxygen, when gasification furnace works, directly water vapour+air or water vapour+oxygen are sent into gasification furnace, water vapour and coal generation gas making is made to react generation synthesis gas, its reaction is the endothermic reaction, need to be provided heat by air or oxygen and charcoal generation oxidation reaction for it, the rate of gasification of this gasification mode is low, simultaneously, synthesis gas produces substantial amounts of CO 2 waste gas, not only have influence on the quality of synthesis gas, and make rear class discharge substantial amounts of greenhouse gases in producing.House refuse is low due to calorific value, fixed carbon content in chemical composition is few, as house refuse gasified with conventional gasification technology, what water vapour and house refuse carried out is the endothermic reaction, it will consuming the heat of gasification furnace, gasification furnace need to add coal fuel input air or comburant oxygen, make waste gas content in synthesis gas high, in obtained synthesis gas, useful component is at a fairly low, is almost waste gas, does not reach the application requirement of industrial chemicals.

Currently, plasma technology is widely used, industrial is applied to plasma ignition, plasma spraying, metal smelt, heating plasma manufacture nano material, cutting, waste incineration refuse process etc..Processing mode and the general mode of plasma are made a world of difference, plasma is a kind of state formed under ionosphere or electric discharge phenomena, will generate excited atom along with electric discharge phenomena, excite the activity chemistry thing of molecule, dissociation atom, free atomic group, atom or molecular ion group and their reactions of colliding with other chemicals and causing.In plasma generator, discharge process makes work gas molecule lose outer-shell electron and form ionic condition, high temperature is produced through collision mutually, more than temperature is spent up to several ten thousand, when processed chemical industry harmful gas is subject to the plasma attack of High Temperature High Pressure, its molecule, atom will reconfigure and generate new material, so that harmful substance becomes innocuous substance.

The plasma gasification device researching and developing a kind of its target product application rational in infrastructure, applicable is the task of this area research staff, and the efficiency of raising plasma device, minimizing power consumption are the targets that this area research staff pursues.

Utility model content

The purpose of this utility model is to provide a kind of plasma gasification device, is adapted in house refuse or medical waste or industrial organic waste or agriculture and forestry organic waste material disposal field and applies, and makes apparatus structure advantages of simple and efficiency high, to reduce power consumption.

A kind of plasma gasification device of the present utility model, including gasification furnace and plasma device, gasification furnace is made up of fire-resistant furnace wall and insulated wall, insulated wall is gone along with sb. to guard him on the outer wall of fire-resistant furnace wall, refractory-lined ovens at gasification furnace has gasification zone within the walls, the fire-resistant furnace wall on top, gasification zone there is synthesis gas delivery outlet pick out, it is characterized in that the gasification zone 1-4 plasma arc district arranged below 1-7 in gasification furnace 1, the slag mouth 1-5 narrowed for bore between gasification zone 1-4 and plasma arc district 1-7, at the slag notch 1-8 that plasma arc district 1-7 bore arranged below gradually tapers up；Plasma device is made up of the first discharge assembly 5 and the second discharge assembly 7, first discharge assembly 5 and the second discharge assembly 7 are arranged on the plasma arc district fire-resistant furnace wall of 1-7 of gasification furnace 1, and the arresting element in the first discharge assembly 5 and the arresting element in the second discharge assembly 7 point in gasification furnace 1.

In this utility model, the fire-resistant furnace wall between slag mouth 1-5 and plasma arc district 1-7 has shading ring 1-6 convex under a circle；Having water seal 6 and slag bath in device, slag notch 1-8 is communicated to slag bath by water seal 6；First discharge assembly 5 is made up of electrode tip holder 5-3 and the four electrode 5-1,4th electrode 5-1 is arranged on the front end of electrode tip holder 5-3, having cooling chamber 5-12 in the 4th electrode 5-1, have cooling mozzle 5-8 in electrode tip holder 5-3, cooling mozzle 5-8 extend in the cooling chamber 5-12 of the 4th electrode 5-1；Electrode tip holder 5-3 has for installation into the ring flange 5-2 on gasification furnace；Second discharge assembly 7 is by the first electrode 7-14, second electrode 7-15, arc-spark stand 7-24, go along with sb. to guard him a 7-13, 3rd electrode 7-3, electrode mounting seat 7-2 and electromagnetic drive component composition, wherein, first electrode 7-14 is hollow rotary structure, second electrode 7-15 is cylindrical structure, axial centre at the second electrode 7-15 has screw 7-50, first electrode 7-14 and the second electrode 7-15 is arranged on the front end of arc-spark stand 7-24, first electrode 7-14 is enclosed in the periphery of the second electrode 7-15, space between first electrode 7-14 inwall and the second electrode 7-15 outer wall constitutes ionization channels 7-18；3rd electrode 7-3 is torus structure, and electrode mounting seat 7-2 is hollow rotary structure, and the 3rd electrode 7-3 is embedded in the interior space of electrode mounting seat 7-2；Going along with sb. to guard him a 7-13 to be arranged between the second electrode 7-15 and electrode mounting seat 7-2, the interior space going along with sb. to guard him a 7-13 constitutes the annulus intracorporeal space composition torch passage 7-5 of plasma arcs chamber 7-11, the 3rd electrode 7-3；nullElectromagnetic drive component is arranged on the rear end of arc-spark stand 7-24，Electromagnetic drive component is by coil rack 7-30、Solenoid 7-34 and drive rod 7-35 is constituted，The axial centre of coil rack 7-30 has the telescopic chute of drive rod 7-35，The anterior body of rod of drive rod 7-35 is used for installing arc electrode，During striking operation，Arc electrode stretches out from the center of the second electrode 7-15，Sequentially pass through the annulus intracorporeal space of interior space and the 3rd electrode 7-3 going along with sb. to guard him a 7-13，Enter in the plasma arc district 1-7 in gasification furnace 1，At the arresting element region starting arc close to the first discharge assembly 5，Then arc electrode is retracted into the center of the second electrode 7-15，Make the plasma arc district 1-7 in gasification furnace 1 and go along with sb. to guard him the interior space formation plasma arc of a 7-13；Arc-spark stand 7-24 has holder 7-37, holder 7-37 is hollow rotary structure, holder 7-37 there is punching lead tight bar 7-26, it is hollow bolt structure that punching leads tight bar 7-26, punching is led the screw head of tight bar 7-26 front end and is screwed in the screw 7-50 of the second electrode 7-15, and the second electrode 7-15 is snugly fitted on arc-spark stand 7-24；Having the interior space that the circular groove 7-16, circular groove 7-16 of enlarging lead tight bar 7-26 with punching to pass through mutually in the screw 7-50 front end of the second electrode 7-15 to connect, punching leads the telescopic chute of the interior space composition arc electrode of tight bar 7-26；Second discharge assembly 7 there are air chamber 7-21, air chamber 7-21 have gasifying agent input interface 7-41 to access；The front end of arc-spark stand 7-24 has part wall body to be in the encirclement of the first electrode 7-14, the arc-spark stand 7-24 wall body surrounded by the first electrode 7-14 there is eddy flow thread 7-19, the tooth of eddy flow thread 7-19 constitutes Whirl deposite tank from space and forms passage, air chamber 7-21 forms channel connection by Whirl deposite tank and is communicated to plasma arcs chamber 7-11 to ionization channels 7-18, ionization channels 7-18；The cooling circuit being made up of coolant input channel 7-38 and coolant return flow line 7-40 in arc-spark stand 7-24, coolant input channel 7-38 has cooling liquid inlet 7-25 to access, and coolant return flow line 7-40 has cooling liquid outlet 7-39 to pick out；Have cooling annular groove 7-17 in the inner side of the second electrode 7-15, cooling annular groove 7-17 is connected in cooling circuit；Space between outer wall and the inwall of electrode mounting seat 7-2 of the 3rd electrode 7-3 constitutes cooling jacket 7-7, cooling jacket 7-7 has coolant input channel 7-8 to access and coolant output channel 7-1 picks out, coolant input channel 7-8 there is coolant input interface 7-10 access, coolant output channel 7-1 has coolant output interface 7-55 pick out；It is with solenoid coil 7-12 going along with sb. to guard him the outer of a 7-13, when being circulated flowing coolant in solenoid coil 7-12, makes solenoid coil 7-12 become the cooling coil going along with sb. to guard him a 7-13；When solenoid coil 7-12 is energized, make solenoid coil 7-12 become Magnetic isolation coil, produce Magnetic isolation layer in the cylinder inner circumferential going along with sb. to guard him a 7-13.This utility model is in the specific implementation: has bar-shaped trough in the rear portion wall body of holder 7-37, arranges brush in bar-shaped trough, and brush is for being electrically connected with arc electrode；Drive rod 7-35 is hollow-core construction, spaced magnetic bead 7-31 and spacer beads 7-33 is had in the middle part of drive rod 7-35 and in the hollow rod body at rear portion, location iron hoop 7-32 is had in the rear end of coil rack 7-30, magnetic bead 7-31 selects permanent magnet material, spacer beads 7-33 selects nonmagnetic substance, the polarity of each magnetic bead carries out series aiding connection setting, when arc electrode need to be stretched out, solenoid 7-34 is carried out forward energising, make the electromagnetic force that solenoid 7-34 center produces carry out positive direction with the magnetic line of force of magnetic bead in drive rod 7-35 to coordinate, drive rod 7-35 is elapsed forward；When need to retract arc electrode time, solenoid 7-34 is reversely energized, makes the electromagnetic force that solenoid 7-34 center produces carry out opposite direction with the magnetic line of force of magnetic bead in drive rod 7-35 and coordinate, drive rod 7-35 is moved rearwards by；When arranging location iron hoop 7-32 in the rear end of coil rack 7-30, utilize the magnetic force of magnetic bead 7-31, drive rod 7-35 is made to position, so that arc electrode is positioned at extended position or retracted position, therefore only in the process that drive rod 7-35 need to be made to move ahead or retreat, solenoid 7-34 is energized, after drive rod 7-35 positions, so that it may to solenoid 7-34 power-off, it is achieved save electric energy and extend the life-span of solenoid 7-34.This utility model utilizes solenoid 7-34 and drive rod 7-35 to drive arc electrode, it does not have mechanical motion mechanism so that simple in construction, and reliable operation.

In this utility model, the furnace roof enclosuring structure of gasification furnace 1 and feeding inlet structure are by prior art manufacture.

Above-mentioned utility model is when application, first discharge assembly 5 and the second discharge assembly 7 are arranged on gasification furnace by insulating component, the wall body of the first electrode 7-14 of the second discharge assembly 7 there is the first electric interfaces 7-22 access, there is the second electric interfaces 7-27 to access in the rear end of holder 7-37, second electric interfaces 7-27 leads the metal material of tight bar 7-26 by the metal material of holder 7-37 and punching and the second electrode 7-15 carries out being electrically connected and being electrically connected with arc electrode by brush 7-36, electrode mounting seat 7-2 there is the 3rd electric interfaces 7-56 access, 3rd electric interfaces 7-56 is electrically connected by metal material and the 3rd electrode 7-3 of electrode mounting seat 7-2；Having the 4th electric interfaces 5-9 to access on the electrode tip holder 5-3 wall body of the first discharge assembly 5, the 4th electric interfaces 5-9 is electrically connected by metal material and the 4th electrode 5-1 of electrode tip holder 5-3.First electric interfaces 7-22 is connected to high voltage power supply, second electric interfaces 7-27 is connected on first group of plasma operation power supply, 3rd electric interfaces 7-56 is connected on second group of plasma operation power supply, 3rd electric interfaces 7-56 doubles as the circuit interface of first group of plasma operation power supply simultaneously, and the 4th electric interfaces 5-9 is as the common return interface of second group of plasma operation power supply and high voltage power supply.Described high voltage power supply is the power supply of more than 10000V, is characterized in high voltage small area analysis；The described power supply that plasma operation power supply is 180-600V voltage, is characterized in low-voltage and high-current.When using one group of plasma operation power supply, second electric interfaces 7-27 is connected on plasma operation power supply, 3rd electric interfaces 7-56 is empty, 4th electric interfaces 5-9 is as the common return interface of plasma operation power supply and high voltage power supply, at this moment, the voltage of plasma operation power supply need to be improved.

This utility model is application in solid organic waste substances gasifies disposal field, and described solid organic waste substances includes agriculture and forestry organic waste material, city or residents in rural community, medical waste, industry macromolecule debirs.This utility model is decomposed into hydrogen water vapour by high-temperature plasma electric arc, it is re-used as gasifying agent after oxygen activity chemicals and sends into the gasification zone of gasification furnace, gasification reaction is carried out with solid organic waste substances, the reaction carried out is exothermic reaction, the heat that exothermic reaction produces can provide the heat needed for raw material stoving and pyrolysis, from without adding coal fuel and not needing input oxygen or air-breathing, therefore the solid organic waste substances such as agriculture and forestry organic waste material or house refuse can be converted into and meet the hydrogen-rich synthetic gas that industrial chemicals application requires, hydrogen-rich synthetic gas produces methanol or dimethyl ether product again through rear class equipment.

In plasma device, plasma arc produces between two main electrodes, when can maintain plasma arc stable operation between two main electrodes, space length between two main electrodes is more big, the stroke of plasma arc is more long, and chance and number of times that its electronics collides mutually will be more, and its energy will be more big, when for pyrolysis water vapour, its resolution ratio and efficiency can be higher.This utility model utilizes arc electrode to carry out striking, first stretch out arc electrode and make the striking Distance Shortened between two main electrodes, to reduce striking voltage, then retract arc electrode, the high-temperature plasma electric arc between two main electrodes is made to be extended, strengthen the energy of high-temperature plasma electric arc, improve efficiency and save electric energy.This utility model two main electrodes of plasma arc district 1-7 in gasification furnace are the 3rd electrode 7-3 and the four electrode 5-1, and two main electrodes at the second discharge assembly 7 plasma arc chamber 7-11 are the second electrode 7-15 and the three electrode 7-3.

This utility model first makes high voltage power supply act in the ionization channels 7-18 between the first electrode 7-14 and the second electrode 7-15, form the electric discharge of gas barrier mode, then high voltage power supply is made to be acted between the 3rd electrode 7-3 and the four electrode 5-1 by arc electrode 13-4 and act between the second electrode 7-15 and the three electrode 7-3, carry out striking, make generation high-temperature plasma electric arc between the 3rd electrode 7-3 and the four electrode 5-1 and the second electrode 7-15 and the three electrode 7-3, make the water vapour as gasifying agent after ionization channels 7-18 is ionized activation, thermal decomposition process is carried out then through two grades of high-temperature plasma electric arcs, water vapour is made to be easily available decomposition and become target product.

In above-mentioned utility model, fire-resistant furnace wall between slag mouth 1-5 and plasma arc district 1-7 arranges shading ring 1-6 convex under a circle, under purpose is the molten slag avoiding slag mouth 1-5 along the trickling of fire-resistant furnace wall, because the molten slag under along the trickling of fire-resistant furnace wall can cover the surface of the 3rd electrode 7-3 and the surface of the 4th electrode 5-1, block plasma arc, after the fire-resistant furnace wall between slag mouth 1-5 and plasma arc district 1-7 is provided with shading ring 1-6, the slag of liquid directly will fall when trickling is to shading ring 1-6, under along the trickling of fire-resistant furnace wall, play protection the 3rd electrode 7-3 and the four electrode 5-1 to be uncovered, the plasma arc making plasma arc district 1-7 remains stable.

This utility model is with solenoid coil 7-12 going along with sb. to guard him the outer of a 7-13, when being circulated flowing coolant in solenoid coil 7-12, makes solenoid coil 7-12 become the cooling coil going along with sb. to guard him a 7-13；When solenoid coil 7-12 is energized, solenoid coil 7-12 is made to become Magnetic isolation coil, Magnetic isolation layer is produced in the cylinder inner circumferential going along with sb. to guard him a 7-13, thus avoiding plasma arc and going along with sb. to guard him a 7-13 wall body and contact and ablated, by cooling down going along with sb. to guard him a 7-13, thus reducing the high temperature resistant grade of material, to reduce cost.

When plasma device runs, arc electrode is made to lose Telescopic in order to avoid arc electrode is sintered on the second electrode 7-15, this utility model arranges the circular groove 7-16 of enlarging in the body of the second electrode 7-15, arc electrode head after making striking effect complete moves back in circular groove 7-16, and has certain space length between the second electrode 7-15 wall body.

The beneficial effects of the utility model are: be adapted in solid waste disposal field and apply, using plasma gasification mode, it is apply as gasifying agent after hydrogen, oxygen activity chemicals using steam pyrolysis, solid organic waste substances is converted into and meets the hydrogen-rich synthetic gas that industrial chemicals application requires.This utility model gasification zone in gasification furnace is arranged below plasma arc district 1-7, ionization channels 7-18 is formed the electric discharge of gas barrier mode, water vapour is after ionization channels 7-18 is ionized activation, carry out thermal decomposition process then through two grades of high-temperature plasma electric arcs so that water vapour is easily available decomposition and becomes target product；Take the measure of telescopic striking to make the space length between two main electrodes of plasma device be extended, strengthen the energy of high-temperature plasma electric arc, improve efficiency and save electric energy.

Accompanying drawing explanation

Fig. 1 is the structure chart of a kind of plasma gasification device of the present utility model.

Fig. 2 is the detail of construction of the first discharge assembly in Fig. 1.

Fig. 3 is the structure chart of the second discharge assembly in Fig. 1.

Fig. 4 is the part-structure detail drawing of the second discharge assembly in Fig. 1.

Fig. 5 is the arc-spark stand detail of construction in Fig. 4.

Fig. 6 is the A-A profile of Fig. 4 or Fig. 5.

Fig. 7 is the detail of construction of the second electrode in Fig. 1 or Fig. 3 or Fig. 4.

Fig. 8 is the detail of construction that the punching in Fig. 1 or Fig. 3 or Fig. 4 leads tight bar.

nullIn figure: 1. gasification furnace，The fire-resistant furnace wall of 1-1.，1-2. synthesis gas delivery outlet，1-3. insulated wall，1-4. gasification zone，1-5. slag mouth，1-6. shading ring，1-7. plasma arc district，1-8. slag notch，1-9. pyrolysis zone，2. synthesis gas，3. cooling coil，4. slag，5. the first discharge assembly，5-1. the 4th electrode，5-2. ring flange，5-3. electrode tip holder，5-4. coolant outlet，5-5. coolant return flow line，5-6. coolant inlet，5-7. coolant input channel，5-8. cools down mozzle，5-9. the 4th electric interfaces，5-10. flange hole，5-11. sealing ring，5-12. cooling chamber，6. water seal，7. the second discharge assembly，7-1. coolant output channel，7-2. electrode mounting seat，7-3. the 3rd electrode，7-4. arc electrode，7-5. torch passage，7-6.L V-shaped ring，7-7. cooling jacket，7-8. coolant input channel，7-9. mounting flange，7-10. coolant input interface，7-11. plasma arcs chamber，7-12. solenoid coil，7-13. goes along with sb. to guard him cylinder，7-14. the first electrode，7-15. the second electrode，7-16. circular groove，7-17. cools down annular groove，7-18. ionization channels，7-19. eddy flow thread，7-21. air chamber，7-22. the first electric interfaces，7-23. guide shell，7-24. arc-spark stand，7-25. cooling liquid inlet，7-26. punching leads tight bar，7-27. the second electric interfaces，7-28. joint，7-29. adapter sleeve，7-30. coil rack，7-31. magnetic bead，7-32. positions iron hoop，7-33. spacer beads，7-34. solenoid，7-35. drive rod，7-36. brush，7-37. holder，7-38. coolant input channel，7-39. cooling liquid outlet，7-40. coolant return flow line，7-41. gasifying agent input interface，7-42.S V-shaped ring，7-43. connects screw head，7-44. seal groove，7-45. installs screw head，7-46. center hole，7-47. bolt，7-48. circular groove chamber，7-49. bar-shaped trough，7-50. screw，7-51. seals water jacket，7-52. leads tight screw head，7-53. through hole，Hexagonal major part in 7-54.，7-55. coolant output interface，7-56. the 3rd electric interfaces，8. flame-observing mirror，9. temperature sensor，10. gasified raw material，11. syngas outlet，12. level sensor.

Detailed description of the invention

nullIn embodiment shown in embodiment 1 Fig. 1，Plasma gasification device is by gasification furnace、First discharge assembly 5 and the second discharge assembly 7 form，Gasification furnace is made up of fire-resistant furnace wall and insulated wall，Insulated wall is gone along with sb. to guard him on the outer wall of fire-resistant furnace wall，Refractory-lined ovens at gasification furnace has gasification zone within the walls，The fire-resistant furnace wall on top, gasification zone there is synthesis gas delivery outlet pick out，Gasification zone 1-4 plasma arc district arranged below 1-7 in gasification furnace 1，The slag mouth 1-5 narrowed for bore between gasification zone 1-4 and plasma arc district 1-7，Fire-resistant furnace wall between slag mouth 1-5 and plasma arc district 1-7 has shading ring 1-6 convex under a circle，At the slag notch 1-8 that plasma arc district 1-7 bore arranged below gradually tapers up，Water seal arranged below 6 and slag bath at slag notch 1-8，Slag notch 1-8 is communicated to slag bath by water seal 6；First discharge assembly 5 and the second discharge assembly 7 are arranged on the plasma arc district fire-resistant furnace wall of 1-7 of gasification furnace 1, and the arresting element in the first discharge assembly 5 and the arresting element in the second discharge assembly 7 point in gasification furnace 1；The fire-resistant furnace wall of gasification zone 1-4 of gasification furnace 1 there is cooling coil 3, the fire-resistant furnace wall of gasification zone 1-4 has flame-observing mirror 8 and temperature sensor 9.

In the present embodiment, first discharge assembly 5 is made up of electrode tip holder 5-3 and the four electrode 5-1,4th electrode 5-1 is arranged on the front end of electrode tip holder 5-3, cooling chamber 5-12 is had in the 4th electrode 5-1, having cooling mozzle 5-8 in electrode tip holder 5-3, cooling mozzle 5-8 extend in the cooling chamber 5-12 of the 4th electrode 5-1；Electrode tip holder 5-3 has for installation into the ring flange 5-2 on gasification furnace.

nullIn the present embodiment，Second discharge assembly 7 is by the first electrode 7-14、Second electrode 7-15、Arc-spark stand 7-24、Go along with sb. to guard him a 7-13、3rd electrode 7-3、Electrode mounting seat 7-2 and electromagnetic drive component composition，First electrode 7-14 is hollow rotary structure，Second electrode 7-15 is cylindrical structure，Axial centre at the second electrode 7-15 has screw 7-50，First electrode 7-14 and the second electrode 7-15 is arranged on the front end of arc-spark stand 7-24，First electrode 7-14 is enclosed in the periphery of the second electrode 7-15，Space between first electrode 7-14 inwall and the second electrode 7-15 outer wall constitutes ionization channels 7-18，Arc-spark stand 7-24 has holder 7-37，Holder 7-37 is hollow rotary structure，The rear portion wall body of holder 7-37 there is bar-shaped trough，Bar-shaped trough arranges brush，Brush is for being electrically connected with arc electrode，Holder 7-37 there is punching lead tight bar 7-26，It is hollow bolt structure that punching leads tight bar 7-26，Punching is led the screw head of tight bar 7-26 front end and is screwed in the screw 7-50 of the second electrode 7-15，Second electrode 7-15 is snugly fitted on arc-spark stand 7-24；Having the interior space that the circular groove 7-16, circular groove 7-16 of enlarging lead tight bar 7-26 with punching to pass through mutually in the screw 7-50 front end of the second electrode 7-15 to connect, punching leads the telescopic chute of the interior space composition arc electrode of tight bar 7-26；Second discharge assembly 7 there is air chamber 7-21, air chamber 7-21 has gasifying agent input interface 7-41 to access, the front end of arc-spark stand 7-24 has part wall body to be in the encirclement of the first electrode 7-14, the arc-spark stand 7-24 wall body surrounded by the first electrode 7-14 there is eddy flow thread 7-19, the tooth of eddy flow thread 7-19 constitutes Whirl deposite tank from space and forms passage, air chamber 7-21 forms channel connection by Whirl deposite tank and is communicated to plasma arcs chamber 7-11 to ionization channels 7-18, ionization channels 7-18；The cooling circuit being made up of coolant input channel 7-38 and coolant return flow line 7-40 in arc-spark stand 7-24, coolant input channel 7-38 has cooling liquid inlet 7-25 to access, and coolant return flow line 7-40 has cooling liquid outlet 7-39 to pick out；Have cooling annular groove 7-17 in the inner side of the second electrode 7-15, cooling annular groove 7-17 is connected in cooling circuit；3rd electrode 7-3 is torus structure, and electrode mounting seat 7-2 is hollow rotary structure, and the 3rd electrode 7-3 is embedded in the interior space of electrode mounting seat 7-2；Go along with sb. to guard him a 7-13 and be arranged between the second electrode 7-15 and electrode mounting seat 7-2, the interior space going along with sb. to guard him a 7-13 constitutes plasma arcs chamber 7-11, the annulus intracorporeal space of the 3rd electrode 7-3 constitutes torch passage 7-5, space between outer wall and the inwall of electrode mounting seat 7-2 of the 3rd electrode 7-3 constitutes cooling jacket 7-7, cooling jacket 7-7 has coolant input channel 7-8 to access and coolant output channel 7-1 picks out, coolant input channel 7-8 there is coolant input interface 7-10 access, coolant output channel 7-1 has coolant output interface 7-55 pick out.

nullIn the present embodiment，In arc-spark stand 7-24, there is joint 7-28 the rear end of holder 7-37，Electromagnetic drive component is connected on joint 7-28，Electromagnetic drive component is by coil rack 7-30、Solenoid 7-34 and drive rod 7-35 is constituted，The axial centre of coil rack 7-30 has the telescopic chute of drive rod 7-35，Drive rod 7-35 is hollow-core construction，Spaced magnetic bead 7-31 and spacer beads 7-33 is had in the middle part of drive rod 7-35 and in the hollow rod body at rear portion，Magnetic bead 7-31 selects permanent magnet material，Spacer beads 7-33 selects nonmagnetic substance，The polarity of each magnetic bead carries out series aiding connection setting，The anterior body of rod of drive rod 7-35 is used for installing arc electrode，When arc electrode need to be stretched out，Solenoid 7-34 is carried out forward energising，Make the electromagnetic force that solenoid 7-34 center produces carry out positive direction with the magnetic line of force of magnetic bead in drive rod 7-35 to coordinate，Drive rod 7-35 is elapsed forward；When need to retract arc electrode time, solenoid 7-34 is reversely energized, makes the electromagnetic force that solenoid 7-34 center produces carry out opposite direction with the magnetic line of force of magnetic bead in drive rod 7-35 and coordinate, drive rod 7-35 is moved rearwards by；Location iron hoop 7-32 is had in the rear end of coil rack 7-30, utilize the magnetic force of magnetic bead 7-31, drive rod 7-35 is made to position, so that arc electrode is positioned at extended position or retracted position, therefore only in the process that drive rod 7-35 need to be made to move ahead or retreat, solenoid 7-34 is energized, after drive rod 7-35 positions, so that it may to solenoid 7-34 power-off.During striking operation, arc electrode stretches out from the center of the second electrode 7-15, sequentially pass through the annulus intracorporeal space of interior space and the 3rd electrode 7-3 going along with sb. to guard him a 7-13, enter in the plasma arc district 1-7 in gasification furnace 1, at the arresting element region starting arc close to the first discharge assembly 5, then arc electrode is retracted into the center of the second electrode 7-15, makes the plasma arc district 1-7 in gasification furnace 1 and goes along with sb. to guard him the interior space formation plasma arc of a 7-13.

In the present embodiment, it is with solenoid coil 7-12 going along with sb. to guard him the outer of a 7-13, when being circulated flowing coolant in solenoid coil 7-12, makes solenoid coil 7-12 become the cooling coil going along with sb. to guard him a 7-13；When solenoid coil 7-12 is energized, make solenoid coil 7-12 become Magnetic isolation coil, produce Magnetic isolation layer in the cylinder inner circumferential going along with sb. to guard him a 7-13.

In the present embodiment, the second electrode 7-15, the 3rd electrode 7-3, the 4th electrode 5-1 and arc electrode 13-4 select tungsten alloy material to make；Electrode tip holder 5-3, the first electrode 7-14, holder 7-37, punching lead tight bar 7-26, electrode mounting seat 7-2 and joint 7-28 selects ordinary metallic material to make；Going along with sb. to guard him a 7-13 selects high temperature resistant nonmetallic materials to make；Solenoid coil 7-12 selects copper tube coiling；Arc-spark stand 7-24 selects bakelite material or polytetrafluoroethylmaterial material to make.

In the present embodiment, the furnace roof enclosuring structure of gasification furnace 1 and feeding inlet structure are by prior art manufacture.

The present embodiment is when application, first discharge assembly 5 and the second discharge assembly 7 are arranged on gasification furnace by insulating component, the wall body of the first electrode 7-14 of the second discharge assembly 7 there is the first electric interfaces 7-22 access, there is the second electric interfaces 7-27 to access in the rear end of holder 7-37, second electric interfaces 7-27 leads the metal material of tight bar 7-26 by the metal material of holder 7-37 and punching and the second electrode 7-15 carries out being electrically connected and being electrically connected with arc electrode by brush 7-36, electrode mounting seat 7-2 there is the 3rd electric interfaces 7-56 access, 3rd electric interfaces 7-56 is electrically connected by metal material and the 3rd electrode 7-3 of electrode mounting seat 7-2；Having the 4th electric interfaces 5-9 to access on the electrode tip holder 5-3 wall body of the first discharge assembly 5, the 4th electric interfaces 5-9 is electrically connected by metal material and the 4th electrode 5-1 of electrode tip holder 5-3.First electric interfaces 7-22 is connected to high voltage power supply, second electric interfaces 7-27 is connected on first group of plasma operation power supply, 3rd electric interfaces 7-56 is connected on second group of plasma operation power supply, 3rd electric interfaces 7-56 doubles as the circuit interface of first group of plasma operation power supply simultaneously, and the 4th electric interfaces 5-9 is as the common return interface of second group of plasma operation power supply and high voltage power supply；Water vapour is linked in gasifying agent input interface 7-41；The corresponding interface of cooling coil the 3, first discharge assembly 5 cooling circuit and the corresponding interface of the second discharge assembly 7 cooling circuit in the fire-resistant furnace wall of gasification zone 1-4 are connected in the respective line of cooling system.During work, when plasma device starts striking, solenoid 7-34 is carried out forward energising, drive rod 7-35 is made to drive arc electrode 7-4 reach, regulate in the arc electrode 7-4 circular groove 7-16 by the second electrode 7-15 and stretch out, sequentially pass through space in the ring of interior space and the 3rd electrode 7-3 going along with sb. to guard him a 7-13, enter into the plasma arc district 1-7 in gasification furnace, in make the head end of arc electrode 7-4 extend into space that distance the 4th electrode 5-1 is 5-30mm；nullWater vapour enters in the air chamber 7-21 in the second discharge assembly 7，The space then passing through eddy flow thread 7-19 enters in the ionization channels 7-18 between the first electrode 7-14 and the second electrode 7-15 in swirling eddy mode，The high voltage power supply of more than 10000V makes to be formed in ionization channels 7-18 the electric field of air-flow isolation discharge mode，Make to discharge between the head end of arc electrode 7-4 and the 4th electrode 5-1 simultaneously，Form initial arc，Then solenoid 7-34 is reversely energized，Drive rod 7-35 is made to be moved rearwards by，Move after driving arc electrode 7-4，The head end making arc electrode 7-4 moves back in the circular groove 7-16 of the second electrode 7-15，Thus electric arc being guided to the 3rd electrode 7-3 from the 4th electrode 5-1 and electric arc being guided to the second electrode 7-15 from the 3rd electrode 7-3，Make produce high-temperature plasma electric arc between the 3rd electrode 7-3 and the four electrode 5-1 and between the second electrode 7-15 and the three electrode 7-3, form high-temperature plasma electric arc；nullWater vapour be ionized passage 7-18 electric field activation after enter in the 7-11 of plasma arcs chamber，Be decomposed hydrogen under the effect of high-temperature plasma electric arc、The activity chemistry thing of oxygen，Mix with high-temperature plasma electric arc，Form plasma flare to spray from space in the ring of the 3rd electrode 7-3，The plasma arc district 1-7 entered in gasification furnace carries out pyrolysis again，It is broken down into hydrogen、The activity chemistry thing of oxygen，Then gasification zone 1-4 is entered as gasifying agent from the slag mouth 1-5 above plasma arc district 1-7，At this moment it is solid organic waste substances rubbish charcoal after pyrolysis at gasification zone 1-4，The hydrogen that water vapour decomposes、Oxygen activity chemicals carry out chemical reaction as gasifying agent and rubbish charcoal，Generate the hydrogen-rich synthetic gas being main component with carbon monoxide and hydrogen，The reaction carried out is exothermic reaction，Simultaneously，The heat of high-temperature plasma electric arc release rises to the 1-4 of gasification zone from slag mouth 1-5，Ash fusion is become the slag of liquid，The slag of liquid falls from slag mouth 1-5，Slag bath is fallen into by the slag notch 1-8 below plasma arc district 1-7 and water seal 6；The waste heat of high-temperature plasma electric arc runs up in gasification furnace with the reaction heat of generation in the 1-4 of gasification zone, heat needed for raw material stoving and pyrolysis is provided, the gasification zone 1-4 upper area in gasification furnace is made to constitute pyrolysis zone 1-9, the upper area of pyrolysis zone 1-9 constitutes baking zone, the fire-resistant furnace wall of baking zone has level sensor 12, solid organic waste substances enters into after in gasification furnace and runs from top to bottom according to its deadweight, moisture is baked out at baking zone, pyrolysis is carried out subsequently into pyrolysis zone, fixed carbon is become after effusion volatile matter, fixed carbon enters the gasification zone 1-4 hydrogen decomposed with water vapour, oxygen activity chemicals carry out the chemical reaction of exothermal nature, generate hydrogen-rich synthetic gas；The hydrogen-rich synthetic gas generated in gasification furnace is brought out by synthesis gas delivery outlet 1-2, utilizes as the unstripped gas producing methanol or dimethyl ether after cooling and purified treatment.

Claims (10)

1. a plasma gasification device, including gasification furnace and plasma device, gasification furnace is made up of fire-resistant furnace wall and insulated wall, insulated wall is gone along with sb. to guard him on the outer wall of fire-resistant furnace wall, refractory-lined ovens at gasification furnace has gasification zone within the walls, the fire-resistant furnace wall on top, gasification zone there is synthesis gas delivery outlet pick out, it is characterized in that the plasma arc district (1-7) arranged below of the gasification zone (1-4) in gasification furnace (1), the slag mouth (1-5) narrowed for bore between gasification zone (1-4) and plasma arc district (1-7), at the slag notch (1-8) that plasma arc district (1-7) bore arranged below gradually tapers up；Plasma device is made up of the first discharge assembly (5) and the second discharge assembly (7), first discharge assembly (5) and the second discharge assembly (7) are arranged on plasma arc district (1-7) the fire-resistant furnace wall of gasification furnace (1), and the arresting element in the first discharge assembly (5) and the arresting element in the second discharge assembly (7) point in gasification furnace (1).

2. a kind of plasma gasification device according to claim 1, is characterized in that there is shading ring (1-6) convex under a circle on the fire-resistant furnace wall between slag mouth (1-5) and plasma arc district (1-7).

3. a kind of plasma gasification device according to claim 1, is characterized in that having water seal (6) and slag bath in device, and slag notch (1-8) is communicated to slag bath by water seal (6).

4. a kind of plasma gasification device according to claim 1, it is characterized in that the first discharge assembly (5) is made up of electrode tip holder (5-3) and the 4th electrode (5-1), 4th electrode (5-1) is arranged on the front end of electrode tip holder (5-3), cooling chamber (5-12) is had in the 4th electrode (5-1), having cooling mozzle (5-8) in electrode tip holder (5-3), cooling mozzle (5-8) extend in the cooling chamber (5-12) of the 4th electrode (5-1)；Electrode tip holder (5-3) has for installation into the ring flange (5-2) on gasification furnace.

null5. a kind of plasma gasification device according to claim 1，It is characterized in that the second discharge assembly (7) is by the first electrode (7-14)、Second electrode (7-15)、Arc-spark stand (7-24)、Go along with sb. to guard him cylinder (7-13)、3rd electrode (7-3)、Electrode mounting seat (7-2) and electromagnetic drive component composition，Wherein，First electrode (7-14) is hollow rotary structure，Second electrode (7-15) is cylindrical structure，Axial centre at the second electrode (7-15) has screw (7-50)，First electrode (7-14) and the second electrode (7-15) are arranged on the front end of arc-spark stand (7-24)，First electrode (7-14) is enclosed in the periphery of the second electrode (7-15)，Space between first electrode (7-14) inwall and the second electrode (7-15) outer wall constitutes ionization channels (7-18)；3rd electrode (7-3) is torus structure, and electrode mounting seat (7-2) is hollow rotary structure, and the 3rd electrode (7-3) is embedded in the interior space of electrode mounting seat (7-2)；Going along with sb. to guard him cylinder (7-13) to be arranged between the second electrode (7-15) and electrode mounting seat (7-2), the interior space going along with sb. to guard him cylinder (7-13) constitutes plasma arcs chamber (7-11), and the annulus intracorporeal space of the 3rd electrode (7-3) constitutes torch passage (7-5)；nullElectromagnetic drive component is arranged on the rear end of arc-spark stand (7-24)，Electromagnetic drive component is by coil rack (7-30)、Solenoid (7-34) and drive rod (7-35) are constituted，The axial centre of coil rack (7-30) has the telescopic chute of drive rod (7-35)，The anterior body of rod of drive rod (7-35) is used for installing arc electrode，During striking operation，Arc electrode stretches out from the center of the second electrode (7-15)，Sequentially pass through the interior space going along with sb. to guard him cylinder (7-13) and the annulus intracorporeal space of the 3rd electrode (7-3)，Enter in the plasma arc district (1-7) in gasification furnace (1)，At the arresting element region starting arc close to the first discharge assembly (5)，Then arc electrode is retracted into the center of the second electrode (7-15)，Make the plasma arc district (1-7) in gasification furnace (1) and go along with sb. to guard him the interior space formation plasma arc of cylinder (7-13).

6. a kind of plasma gasification device according to claim 5, it is characterized in that having holder (7-37) in arc-spark stand (7-24), holder (7-37) is hollow rotary structure, holder (7-37) there is punching lead tight bar (7-26), punching leads tight bar (7-26) for hollow bolt structure, punching is led the screw head of tight bar (7-26) front end and is screwed in the screw (7-50) of the second electrode (7-15), and the second electrode (7-15) is snugly fitted on arc-spark stand (7-24)；The circular groove (7-16) of enlarging is had in screw (7-50) front end of the second electrode (7-15), circular groove (7-16) leads the interior space of tight bar (7-26) and passes through mutually and connect with punching, and punching is led the interior space of tight bar (7-26) and constituted the telescopic chute of arc electrode.

7. a kind of plasma gasification device according to claim 5, is characterized in that having air chamber (7-21), air chamber (7-21) to have gasifying agent input interface (7-41) to access in the second discharge assembly (7)；The front end of arc-spark stand (7-24) has part wall body to be in the encirclement of the first electrode (7-14), arc-spark stand (7-24) wall body surrounded by the first electrode (7-14) there is eddy flow thread (7-19), the tooth of eddy flow thread (7-19) constitutes Whirl deposite tank from space and forms passage, air chamber (7-21) forms channel connection to ionization channels (7-18) by Whirl deposite tank, and ionization channels (7-18) is communicated to plasma arcs chamber (7-11).

8. a kind of plasma gasification device according to claim 5, it is characterized in that the cooling circuit having coolant input channel (7-38) and coolant return flow line (7-40) to form in arc-spark stand (7-24), coolant input channel (7-38) has cooling liquid inlet (7-25) to access, and coolant return flow line (7-40) has cooling liquid outlet (7-39) to pick out；Have cooling annular groove (7-17) in the inner side of the second electrode (7-15), cooling annular groove (7-17) is connected in cooling circuit.

9. a kind of plasma gasification device according to claim 5, it is characterized in that the space between the outer wall of the 3rd electrode (7-3) and the inwall of electrode mounting seat (7-2) constitutes cooling jacket (7-7), cooling jacket (7-7) has coolant input channel (7-8) to access and coolant output channel (7-1) picks out, coolant input channel (7-8) there is coolant input interface (7-10) access, coolant output channel (7-1) has coolant output interface (7-55) pick out.

10. a kind of plasma gasification device according to claim 5, it is characterized in that being with solenoid coil (7-12) going along with sb. to guard him the outer of cylinder (7-13), when being circulated flowing coolant in solenoid coil (7-12), solenoid coil (7-12) is made to become the cooling coil going along with sb. to guard him cylinder (7-13)；When solenoid coil (7-12) is energized, make solenoid coil (7-12) become Magnetic isolation coil, produce Magnetic isolation layer in the cylinder inner circumferential going along with sb. to guard him cylinder (7-13).