CN200991699Y - Device for treating waste material using high-temperature electric arc technology - Google Patents
Device for treating waste material using high-temperature electric arc technology Download PDFInfo
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- CN200991699Y CN200991699Y CN 200620158793 CN200620158793U CN200991699Y CN 200991699 Y CN200991699 Y CN 200991699Y CN 200620158793 CN200620158793 CN 200620158793 CN 200620158793 U CN200620158793 U CN 200620158793U CN 200991699 Y CN200991699 Y CN 200991699Y
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- electric arc
- temperature electric
- discarded object
- arc
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Abstract
The utility model discloses a waste processing unit adapting high temperature arc technique. Two to three electrodes(11) are arranged at preset position of an arc generator. By means of AC or DC arc starting technique, an electrode driver(13) is arranged to adjust distance between of the electrodes and facilitate arc starting, so that the arc is formed between the electrodes, which is independent from electric conductivity of the charging. A charging inlet(10) is connected with a charging system so as to realize a continuous or interval charging and then process with the wastes in diverse shapes; and a tail exhaust port is connected with a tail gas disposal and discharge system to guarantee the zero discharge of harmful gases. The treated material is subject to a thorough thermal cracking at the temperature of 1200 to 2500 DEG C, which would not generate Dioxin and can prevent from radioactive leakage. The tail gas output is only occupies 5 percent of the burning method and the volume of treated substance can be reduced by 99.7 percent and the energy efficiency can reach over 80%, so the utility model has the advantages of little investment, stable running and simple operation.
Description
Technical field
The utility model relates to the device of handling discarded object, particularly utilizes the device of high-temperature electric arc technical finesse discarded object.
Background technology
The processing of MSW and hazardous waste has become a main environmental protection subject under discussion.MSW and hazardous waste not only composition are extremely harmful, and its bacterial virus of carrying has extremely strong infectiousness, must effectively handle.The method of taking landfill in the past or burning with diesel oil, but owing to need effectively sterilize in the past at landfill, dealing with improperly to become hidden danger, and the inapplicable burying method of liquid hazardous waste is disposed.And diesel oil burns the easily a large amount of pernicious gases of generation, causes secondary pollution (as dioxin), requires high to treatment facility.
Utilize arc technology can solve traditional landfill, the indeterminable problem of burning method, accomplish the pernicious gas zero-emission, as having disclosed employing water vapour plasma and direct current plasma technology among the Chinese patent ZL89105527.4, but this reaction is only carried out in earthenware, reaction compartment is little, also requirement can be handled the solid waste particle at 300 microns, and this brings difficulty to industrialization.
And for example adopt inertia plasma gas and direct current plasma technology among the Chinese patent ZL93103682.8, be reflected in the stroke pipe and carry out, but reaction compartment is little, also requirement can be handled the solid waste particle at 100 microns, the carbon that reaction outlet jet pipe also wants aerating oxygen to produce with burning, realization of industrialization also are very difficult.
And for example use electric arc plasma (orifice) gas MSW in the U.S. Pat 5280757, and destroy Polychlorinated biphenyls (PCB) etc. with arc-plasma in U.S. Pat 4644877 and the U.S. Pat 4431612, but above-mentioned patent can not guarantee the enough reaction time, and owing to all be to use under the direct current, electrode life is short, brings difficulty when handling cold, non-conductive material.Though employing as public molten bath, as conducting wire between electrode, needs two covering devices cause trouble to practical application with the molten bath in the joule heated melter of the other power supply of increasing exchanges of direct-current arc producer among the Chinese patent ZL96192788.7.
The utility model content
The technical problems to be solved in the utility model provides a kind of device that utilizes high-temperature electric arc technical finesse discarded object, electric arc can produce between electrode automatically, thereby the joule heated melter of the power supply of need not increasing exchanges again on electric arc producer side is as public molten bath.
For solving the problems of the technologies described above, the utility model discloses a kind of device that utilizes high-temperature electric arc technical finesse discarded object, electric arc producer body of heater is provided with charge door, tail gas outlet, slag discharge port, and the body of heater precalculated position is provided with 2-3 the electrode that is used to produce electric arc.
As a kind of preferred structure of the present utility model, be that electrode driver is set on electrode, be used to regulate the length of electrode in body of heater and be beneficial to the starting the arc, electrode feeds and exchanges or dc source.
In a preferred embodiment, charge door on the body of heater connects charging system, can guarantee the system of bf body integral sealing, and according to the different mining of processed discarded object form with different charging systems, can continuously or feed in raw material intermittence; Urosome outlet on the body of heater connects the vent gas treatment exhaust system, through the hurried cooling of tail gas, can carry out combustible gas collection or combustible gas burning.
Adopt device of the present utility model, electrode connect to exchange or dc source after, regulate the electrode driver on the electrode, the starting the arc automatically between two electrodes does not rely on the conductive characteristic of material to be processed in the stove; Material to be processed electric arc in stove produces 1200 ℃-2500 ℃ thorough cracking down of operating temperature, make that organic matter is quick and complete in stove to be cracked into harmless simple substance, inorganic matter can be smelted into vitreum and elemental metals, and harmful fibre structure that can destroy asbestos is thoroughly accomplished innoxious, and can utterly destroy bacterium and disease, can not produce harmful substances such as dioxin, human body and environment are not polluted.
The utility model device is littler than conventional solid waste treatment system volume, flow process short.For the material of form of the same race not, charge door connects different charging systems, can handle liquid state, solid-state, semisolid, gaseous state, can feeding in continuous material, material there is not specific (special) requirements; Exhaust port connects exhaust treatment system, can accomplish innoxious discharging, free from environmental pollution, and can obtain fuel gas such as hydrogen, carbon monoxide, the heat energy of tail gas cooling and the heat energy of combustible gas can utilize hot water or generating, and producing the tail gas amount only is 5% of firing method, and the handled thing volume can reduce 99.7%, efficiency can be more than 80%, has characteristics such as reduced investment, cost be low.
Description of drawings
Fig. 1 utilizes the device schematic diagram of high-temperature electric arc technical finesse discarded object for the utility model.
Fig. 2 utilizes the utility model to handle the process chart of discarded object.
The specific embodiment
Figure 1 shows that the device that utilizes high-temperature electric arc technical finesse discarded object, mainly comprise tail gas outlet 2, gas atmosphere inlet 3, waste material container 4, slag discharge port 5, closing device 6, slag 7, insulation material 8, thermal detector 9, charge door 10, electrode 11, working gas inlet 12, electrode driver 13, cooling water inlet 14, coolant outlet 15 and power supply 16 on electric arc producer body of heater 1, the body of heater.
Body of heater 1 adopts high-quality refractory material, and outer wall is a steel shell, and inwall is a high-quality insulation material 8; Have the but space of liquid flow of cooling between inboard wall of furnace body and the outer wall, cooling liquid can be a water; The body of heater inner bottom part is provided with waste material container 4, and waste material container 4 is used to collect the slag 7 of processed discarded object after high-temperature electric arc decomposes; Be provided with thermal detector 9, working gas inlet 12 and urosome outlet 2 at body of heater 1 top.Working gas is in gas cylinder feeds stove; Working gas can select for use non-oxidized gas (as hydrogen, nitrogen and inert gas etc.) to make the material to be processed Pintsch process; Also can select for use oxidized form gas (as oxygen and air etc.) or half oxidizing gas (as methyl alcohol etc.) to make material to be processed generate oxide.
The discarded object of various forms is entered in the Sealing furnace by charge door 10, (operating temperature can reach 1200-2500 ℃ in the stove in thorough cracking under the high temperature that electric arc produces, measure by thermal detector 9), waste material container 4 is connected with the furnace inner space of installing electrodes 11, slag 7 falls in the waste material container 4, and cracking tail gas is discharged by tail gas outlet 2, and tail gas outlet 2 can be connected on the cooling purifying device, tail gas is handled, can directly be discharged as required after the processing; In the body of heater bottom cooling water inlet 14 is set, upper of furnace body is provided with coolant outlet 15, and the space of cooling water flow between inboard wall of furnace body and outer wall is to cool off furnace body wall.
Electrode 11 adopts nonmetal or metal is made, and can select graphite electrode or resistant to elevated temperatures alloy electrode for use, and power supply 16 not only can be imported the alternating current of power frequency or high frequency but also can use direct current as requested.Wherein electrode 11 can be installed on body of heater 1 precalculated position for 2-3, and the upwards wire clamp angle, axle center of electrode 11 and body of heater 1 is between the 0-150 degree, and electrode driver 13 is used to regulate interelectrode distance, is beneficial to electrode 11 starting the arc.When the working gas that feeds is oxidation or half oxidizing gas, when electrode 11 is selected metal electrode for use, can feed inertia by gas atmosphere inlet 3 as required or reducibility gas be protected electrode, wherein the gas atmosphere inlet be arranged on electrode 11 around.
This processing device system seals, and presses the difference of material form, and charge door can connect different charging systems respectively, comprises conveying system, hydraulic system, air flow system, liquid fluid system, can feed in raw material continuously or intermittently, can guarantee the characteristic of stable material-supplying.Tail gas outlet 2 connects the vent gas treatment exhaust system, comprises tail gas chilling system and exhaust gas purification system, can also comprise combustible gas gathering system or combustible gas (mainly being hydrogen) combustion system, and the system that can guarantee (98Pa) carries out in little negative pressure.
All kinds of discarded objects such as the damaged tire that is not suitable for handling for burning method, waste plastics, spoil, hospital wastes, asbestos waste, refuse battery, useless electronic circuit board, useless display screen all can adopt this device processing.As handle organic hazardous waste, and can adopt nonmetal electrode, utilize three-phase alternating current or direct-current arc generation technique, the technology of slagging tap at continuous feed, intermittence adopts hydrogen as plasma gas, can make the quick and complete harmless simple substance such as carbon, hydrogen that are cracked into of organic matter.But inorganic matter smelting metal ore deposit or gaseous metal are condensed collection again, and asbestos will change over non-Fibrotic harmless slag, and silicate becomes harmless vitreous texture, and nuke rubbish can be closed in the vitreum, prevent the radioactive substance leakage.
Fig. 2 is the industrial flow chart that utilizes high-temperature electric arc technical finesse discarded object device.
When the material to be processed of various forms by the sealing feeding device intermittently or add the electric arc producer continuously, after electrode is connected power supply 16, electrode driver 13 is regulated the distance between electrode 11 ends in the stove, electric arc is the starting the arc automatically between two electrodes 11, does not rely on the conductive characteristic of material to be processed in the stove.1200 ℃-2500 ℃ thorough cracking down of operating temperature that material to be processed produces at electric arc, make that organic matter is quick and complete in stove to be cracked into harmless simple substance, cracking tail gas is discharged by urosome outlet 2 and is entered tail gas cooling purifying device (comprising the chilling depickling), the gas of discharging can be that the carbon black of hydrogen, carbon monoxide, methane, carbon dioxide and cracking is a nanoscale soot etc., obtain to utilize combustion gas, combustible gas burning back emptying also can utilize high-temperature residual heat to produce hot water or generating.Inorganic matter can be smelted into metal level and molten slag layer in waste material container 4, utterly destroy bacterium and virus, accomplishes innoxious; For self being difficult to generate the Vitrea refuse that contains harmful elements such as heavy metal, metal oxide and iron such as, calcium siliceous, sodium by adding, can generate vitreum, harmful element is fixed in the vitreum, can not leach, and can thoroughly destroy harmful fibre structure of asbestos, and make it to become non-Fibrotic harmless slag, discharge by going out slag discharge port 5.By the closing device 6 that slag discharge port 5 oral areas are installed, regularly metal of discharging and slag are recyclable utilizes again.
The utility model is not limited to electric arc producer furnace binding shown in Figure 1, and for example, body of heater can be designed as two parts up and down, and the space communicates in upper furnace body and the lower furnace body outer wall insulated enclosure, body of heater.In addition, this device can also be designed to movable type or vehicular, and is applied widely, easy to use.As long as in high-temperature electric arc decomposes the space of discarded object, be provided with two or more electrodes and electrode and be provided with the electrod driving device that is used to regulate distance between the electrode, all drop among the protection domain of the present utility model.
Claims (8)
1, a kind of device that utilizes high-temperature electric arc technical finesse discarded object, comprise electric arc producer body of heater (1), this body of heater is provided with charge door (10), tail gas outlet (2) and slag discharge port (5), it is characterized in that: at least two electrodes (11) that are used to produce electric arc are installed on described body of heater (1) precalculated position.
2, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 is characterized in that: on described body of heater (1) precalculated position three electrodes (11) are installed.
3, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 and 2 is characterized in that: described electrode (11) is provided with the electrode driver (13) that is used to regulate interelectrode distance.
4, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 and 2 is characterized in that: described electrode (11) is connected with interchange or dc source.
5, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 is characterized in that: described charge door (10) connects charging system.
6, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 is characterized in that: described tail gas outlet (2) connects the vent gas treatment exhaust system.
7, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 is characterized in that: described slag discharge port (5) oral area is equipped with closing device (6).
8, the device that utilizes high-temperature electric arc technical finesse discarded object according to claim 1 is characterized in that: be provided with gas atmosphere inlet (14) near described electrode (11) precalculated position is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158793 CN200991699Y (en) | 2006-12-08 | 2006-12-08 | Device for treating waste material using high-temperature electric arc technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620158793 CN200991699Y (en) | 2006-12-08 | 2006-12-08 | Device for treating waste material using high-temperature electric arc technology |
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| Publication Number | Publication Date |
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| CN200991699Y true CN200991699Y (en) | 2007-12-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200620158793 Expired - Fee Related CN200991699Y (en) | 2006-12-08 | 2006-12-08 | Device for treating waste material using high-temperature electric arc technology |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679718A (en) * | 2011-03-15 | 2012-09-19 | 孙晓冰 | Novel transferred arc plasma furnace structural design |
| CN103194263A (en) * | 2013-04-15 | 2013-07-10 | 西安市宝润实业发展有限公司 | Device and method for preparing biomass synthesis gas by utilizing high-temperature alternating current (AC) arc |
| CN107470327A (en) * | 2017-08-29 | 2017-12-15 | 武汉凯迪工程技术研究总院有限公司 | Electron wastes comprehensive resource processing system and its method |
| CN110425543A (en) * | 2019-07-04 | 2019-11-08 | 北京琪玥环保科技股份有限公司 | Plasma furnace, dangerous waste processing system and its application |
| CN113423167A (en) * | 2021-06-24 | 2021-09-21 | 大连海事大学 | Device and method for continuously generating large-volume plasma in liquid phase |
| CN113727483A (en) * | 2021-09-02 | 2021-11-30 | 合肥爱普利等离子体有限责任公司 | Multi-electrode alternating current arc discharge device, equipment and alternating current power supply |
-
2006
- 2006-12-08 CN CN 200620158793 patent/CN200991699Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102679718A (en) * | 2011-03-15 | 2012-09-19 | 孙晓冰 | Novel transferred arc plasma furnace structural design |
| CN103194263A (en) * | 2013-04-15 | 2013-07-10 | 西安市宝润实业发展有限公司 | Device and method for preparing biomass synthesis gas by utilizing high-temperature alternating current (AC) arc |
| CN107470327A (en) * | 2017-08-29 | 2017-12-15 | 武汉凯迪工程技术研究总院有限公司 | Electron wastes comprehensive resource processing system and its method |
| CN107470327B (en) * | 2017-08-29 | 2023-11-03 | 武汉凯迪工程技术研究总院有限公司 | Comprehensive recycling treatment system and method for electronic waste |
| CN110425543A (en) * | 2019-07-04 | 2019-11-08 | 北京琪玥环保科技股份有限公司 | Plasma furnace, dangerous waste processing system and its application |
| CN113423167A (en) * | 2021-06-24 | 2021-09-21 | 大连海事大学 | Device and method for continuously generating large-volume plasma in liquid phase |
| CN113727483A (en) * | 2021-09-02 | 2021-11-30 | 合肥爱普利等离子体有限责任公司 | Multi-electrode alternating current arc discharge device, equipment and alternating current power supply |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: CO-PATENTEE TO: WANG WEIREN ^ |
|
| CU01 | Correction of utility model patent |
Correction item: Co-patentee Correct: For people Number: 51 Page: The title page Volume: 23 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Co-patentee Correct: For people Number: 51 Volume: 23 |
|
| ERR | Gazette correction |
Free format text: CORRECT: CO-PATENTEE; FROM: NONE ^ TO: WANG WEIREN ^ |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071219 Termination date: 20101208 |