CN103254939B - Plasma garbage biomass gasification device - Google Patents
Plasma garbage biomass gasification device Download PDFInfo
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- CN103254939B CN103254939B CN201310181597.XA CN201310181597A CN103254939B CN 103254939 B CN103254939 B CN 103254939B CN 201310181597 A CN201310181597 A CN 201310181597A CN 103254939 B CN103254939 B CN 103254939B
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Abstract
The invention relates to a plasma garbage biomass gasification device and in particular relates to a plasma garbage furnace device. The plasma garbage biomass gasification device comprises a plasma garbage furnace and a screw feeder. The plasma garbage furnace mainly consists of a lower furnace body, a cathode, an anode, an upper furnace body and a top cover, wherein a material cavity is arranged on the lower part of the lower furnace body; the cathode is arranged on the upper part in the lower furnace body; the inner cavity of the cathode is communicated with the material cavity in the lower furnace body; the upper end of the cylinder body of the cathode forms a horn mouth shape; a rotational flow slot is formed in the outer edge of the horn mouth; the upper furnace body is connected to the upper end of the lower furnace body; the anode is arranged in the upper furnace body; the axial center of the anode is provided with a through hole; the through hole of the axial center of the anode forms a compression hole channel; a cooling water jacket is arranged in a revolved body structure wall body of the anode; the end of the lower part of the anode forms a V-shaped annular surface; the V-shaped annular surface of the lower part of the anode extends into the horn mouth at the upper end of the cathode and has a gap; the top cover is arranged on the upper end surface of the anode and the upper furnace body; and a synthesis gas output interface is formed in the top cover. By utilizing the plasma garbage biomass gasification device, household garbage or biomass is translated into a hydrogen-rich synthesis gas with high quality, and the pollution problem of dioxin is eliminated.
Description
Technical field
The present invention relates to domestic refuse, biomass gasification equipment, particularly relate to a kind of plasma gasification furnace apparatus.
Background technology
The generation of domestic refuse is along with living standards of the people raising and urban development and rapid growth, and the annual domestic refuse amount of clearing of China has reached more than 200,000,000 ton, and garbage-surrounded city situation appears in many cities, becomes a large obstacle of the urbanization process of China.Enhancing along with scientific-technical progress and people's environmental consciousness, the destruction that " burning method " and " landfill method " brings to environment and threat the healthy of the mankind are more and more familiar with by people, the mankind substitute " burning method " and " landfill method " in the urgent need to a kind of new technology, with GHG (Greenhouse Gases) emissions mitigation and the pollution problem of elimination dioxin.
China's biomass resource is very abundant, and only the non-wood-fiber such as straw, wheat straw, reed, bamboo is just produced per year and surpassed 1,000,000,000 tons, adds a large amount of wood machining residues, is all the huge energy " warehouse ".Yet the current forest and agricultural biomass wasting of resources of China is surprising, except small portion rural area is used for fermentation and biogas production, major part all by directly burning, landfill, rotted, not only waste energy, and environment damaged.Rubbish biomass is converted into secondary clean energy by the method gasifying or liquefy, can reduces the dependence of oil coal resources and solve problem of environmental pollution.But can only produce with general processing unit synthetic gas or the bio oil that calorific value is not high, again this low-calorie synthetic gas or bio oil are refined into the product that meets service requirements, will make production cost significantly improve, too high production cost has limited the commercial applications of Wood Adhesives from Biomass project.
Conventional vapourizing furnace is when work, air or oxygen or water vapor+air or water vapor+oxygen are sent into vapourizing furnace, water vapor is reacted with charcoal generation gas making and generate synthetic gas, its reaction is thermo-negative reaction, need to for it, provide heat by air or oxygen and charcoal generation oxidizing reaction, this gasification mode is by the fixed carbon consuming in stove, due to domestic refuse, fixed carbon in biomass chemical composition is extremely limited, domestic refuse in conventional vapourizing furnace, in the synthetic gas of Wood Adhesives from Biomass, useful component ratio is quite low, simultaneously, in synthetic gas, produce a large amount of CO 2 waste gas, increase the intractability of rear class.
Summary of the invention
The object of the invention is domestic refuse or biomass in vapourizing furnace, to gasify as high-quality hydrogen-rich synthetic gas, and eliminate dioxin pollution problem, the hydrogen-rich synthetic gas of producing, as the unstripped gas application of rear class methanol or dme, is realized environmental friendliness and resources conservation and is disposed domestic refuse.
A kind of plasma body rubbish biomass gasification device of the present invention, comprise plasma gasification stove and feeding screw, it is characterized in that plasma gasification stove is mainly by lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and top cover (2) form, lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and the coaxial vertical setting of top cover (2), wherein, lower furnace body (18) is cylindrical structure, You Liao chamber, bottom (II) in cylindrical structure, negative electrode (19) is arranged on the top in lower furnace body (18), negative electrode (19) is cylindrical structure, the inner chamber of negative electrode (19) cylinder communicates with the material chamber (II) in lower furnace body (18), the cylinder upper end of negative electrode (19) is bell mouth shape, there is eddy flow groove (VII) bell-mouthed outer, annular space between negative electrode (19) outer wall and lower furnace body (18) top wall body forms air cavity (IV), upper furnace body (26) is connected to the upper end of lower furnace body (18), upper furnace body (26) is rotary structure, anode (21) is arranged in upper furnace body (26), anode (21) is rotary structure, the axial centre of anode (21) has through hole, the through hole of anode (21) axial centre forms compression duct (VIII), the two ends in compression duct (VIII) are respectively bell-mouth structure of air, the hydraucone of compression lower end, duct (VIII) forms compression port (V), in the rotary structure wall body of anode (21), there is watercooling jacket (IX), the V-shaped anchor ring in termination of anode (21) bottom, the angle of V-ring face is consistent with the bell-mouthed angle in negative electrode (19) upper end, the V-ring face of anode (21) bottom extend in the hydraucone of negative electrode (19) upper end and is gapped, gap looping gas channel (VI) between the hydraucone of the V-ring face of anode (21) bottom and negative electrode (19) upper end, the eddy flow groove (VII) of hydraucone outer, negative electrode (19) upper end is communicated to annular air-flow path (VI), the cavity that has Straight on the hydraucone of the upper end, compression duct (VIII) of anode (21), Straight cavity forms gasification extension area (XI), top cover (2) is arranged on the upper surface of anode (21) and upper furnace body (26), top cover (2) is dome structure, in the dome of top cover (2), there is synthetic gas output interface (1), during concrete enforcement, with holding bolt (3), top cover (2) is fixed on to the upper surface of anode (21), air cavity (IV) between negative electrode (19) outer wall and lower furnace body (18) top wall body has work gas input interface (22) access, watercooling jacket (IX) in anode (21) rotary structure wall body has entrance of cooling water web member (25) access and cooling water outlet web member (5) to pick out, in the material chamber of lower furnace body (18) (II), have feed(raw material)inlet (I), feed(raw material)inlet (I) has the discharge port access of feeding screw.
In the present invention, feeding screw is by feed cylinder (10), screw shaft (11), hopper (6), axle box (12), shaft joint (13) and wheel box (14) form, wherein, feed cylinder (10), screw shaft (11), axle box (12) and shaft joint (13) are coaxially horizontally disposed with, there is screw extrusion floor the front portion of screw shaft (11) and in feed cylinder (10), the rear portion of screw shaft (11) is plain shaft structure, the optical axis at screw shaft (11) rear portion is positioned by axle box (12), the optical axis at screw shaft (11) rear portion is through be connected to the driven shaft of wheel box (14) after axle box (12) by shaft joint (13), the main drive shaft of wheel box (14) is connected to the rotating shaft of motor, hopper (6) is connected on feed cylinder (10), the front end of feed cylinder (10) is discharge port.During concrete enforcement, on the housing of hopper (6) upper position, there are spillway (7) and moisturizing interface (9), in hopper (6), there is water seal (8), the water of described water seal (8) is clear water or liming, the water of water seal (8) overflows to the bottom of expecting chamber (II) and negative electrode (19) inner chamber, and the synthetic gas that makes work gas in gas ions vapourizing furnace and generation can be from feed(raw material)inlet (I) be leaked and do not come out of the stove.
In the present invention, the bell and spigot and the continuing surface that in lower furnace body (18), have negative electrode (19), negative electrode (19) socket joint is in lower furnace body (18), the cylinder internal diameter of negative electrode (19) is consistent with material chamber (II) internal diameter in lower furnace body (18), between the continuing surface of the bottom face of negative electrode (19) and lower furnace body (18), there is electrical fitting (20), during concrete enforcement, electrical fitting (20) is connected to the negative pole of working power by supply lead; On the wall body of lower furnace body (18), have work gas input interface (22), work gas input interface (22) is communicated to air cavity (IV); Between the junction surface of upper furnace body (26) and lower furnace body (18), there is gasket c(23); On the wall body of upper furnace body (26), there are the via hole of entrance of cooling water web member (25) and the via hole of cooling water outlet web member (5); The bell and spigot and the continuing surface that in upper furnace body (26), have anode (21), anode (21) socket joint is in upper furnace body (26), and the upper surface of anode (21) is concordant with the upper surface of upper furnace body (26); Between the continuing surface of the outside wall body of anode (21) and upper furnace body (26), there is gasket d(24); Between the junction surface of top cover (2) and upper furnace body (26) and anode (21), have gasket a(4), while specifically implementing, on the junction surface of anode (21), there is electrical fitting by supply lead, to be connected to the positive pole of working power; Anode (21) is combined by the outside parts (21-1) of anode and the inner part (21-2) of anode; The eddy flow groove (VII) of hydraucone outer, negative electrode (19) upper end is more than two, comprises two.
Above-mentioned invention is when operation, rubbish or biomass material are in the material chamber (II) in feeding screw is sent into plasma gasification stove, by material chamber (II), entered into again the inner chamber of negative electrode (19), simultaneously, work gas enters into air cavity (IV) by interface (22), by eddy flow groove (VII), form swirling eddy again, then by annular air-flow path (VI), entered the compression duct (VIII) of inner chamber and the anode (21) of negative electrode (19), when negative electrode (19) and anode (21) connection working power, between the inner chamber of negative electrode (19) and the hydraucone of compression duct (VIII) exit end of anode, just form plasma arc, the inner chamber of negative electrode (19) just forms Cathode arc root district (III), the hydraucone region of compression duct (VIII) exit end of anode just forms Anode arc root district (X), enter into the rubbish of negative electrode (19) inner chamber or biomass material gasifies and generates and take the synthetic gas that hydrogen and carbon monoxide be main component under the effect of high-temperature plasma electric arc, synthetic gas is drawn vapourizing furnace by compression duct (VIII) and gasification extension area (XI) by output interface (1) successively, in this course, the charcoal particle not gasifying in synthetic gas and water vapor carry out chemical reaction and complete gasification in compression duct (VIII) and gasification extension area (XI), from synthetic gas output interface (1), draw the synthetic gas of vapourizing furnace by the dedusting of rear class, except acid purification and CO Varying Process, as the unstripped gas application of methanol or dme.
In above-mentioned invention, described work gas bag is drawn together hydrogen, synthetic gas and water vapor, when rubbish biomass gasification device moves, compression duct (VIII) is under the dual function of physical compression and cold reduction, make plasma arc extreme temperatures, reach more than 4000 ℃, when using water vapor as the work gas of plasma gasification stove, water molecules will be decomposed into hydrogen, hydrogen, oxygen, oxygen, hydrogen-oxygen atomic group and active water molecule, in like manner, the water molecules of the water seal material volatilization of the moisture in rubbish biomass and negative electrode (19) inner chamber is also decomposed into hydrogen in compression duct (VIII), hydrogen, oxygen, oxygen, hydrogen-oxygen atomic group and active water molecule, in these materials and synthetic gas, undecomposed char particle is proceeded chemical reaction, generate carbon monoxide and hydrogen.
Above-mentioned invention is when operation, rubbish biomass material gasification, it is synthetic gas, gasification is: rubbish biological raw material is subject to effect effusion water vapor and the volatile matter of high-temperature plasma, described volatile matter comprises hydrogen, oxygen, carbon monoxide, methane, few carbonic acid gas and a small amount of nitrogen and sulphur, after rubbish biomass effusion water vapor and volatile matter, become fixed carbon and ash content, fixed carbon carries out chemical reaction with resolvent and the active water molecule of water molecules again, the synthetic gas that carbon monoxide and hydrogen are main component is take in generation, and reaction formula is:
4H
*+C(s)?=CH
4+87.7kj
O
*+C(s)=CO+251.7kj
2O
*+C(s)=CO
2+503.4kj
O
2 *+C(s)?=CO
2+503.4kj
2H
2 *+C(s)?=CH
4+87.7kj
CO
2+C(s)=2CO-172.2kj
C（s）+H
2O（g）=?CO+H
2-131.2kj
……
The heat that above-mentioned thermopositive reaction produces offers reduction reaction, gas making reaction and raw material pyrolysis are required, therefore, do not need just can make the gasification in stove carry out continuously to input air in vapourizing furnace or comburant oxygen, and plasma gasification stove and accessory has abundant active water molecule, make rubbish biomass be very easy to be gasified totally, vaporization rate is almost up to 100%, the exhausted air quantity producing in vapourizing furnace is few, the quality of synthetic gas is high, in synthetic gas, the fraction scale of hydrogen is high, highly beneficial rear class is produced, water vapor excessive in synthetic gas can be as conversion agent utilization in the CO Varying Process of rear class.
When the present invention uses domestic refuse as gasified raw material, the synthetic gas of drawing from plasma gasification stove need cool to synthetic gas below 200 ℃ fast by quenching apparatus, to suppress to regenerate violent in toxicity dioxin, then by dedusting and deacidification purifying treatment, as the unstripped gas application of methanol or dme.During concrete enforcement, reclaim the heat discharging in synthetic gas temperature-fall period and utilize.
When the present invention is by the biomass of agriculture and forestry organic waste material and so on during as gasified raw material, the synthetic gas of drawing from plasma gasification stove does not need by chilling operation, with conventional waste heat boiler, reclaiming heat makes synthetic gas be cooled to 250 ℃ when following, again by after dust removal process, as the unstripped gas application of methanol or dme.
In above-mentioned invention, by controlling the flow of work gas and the electric current of plasma body working power, carry out gasification temperature and the operating pressure in regulating stove, during concrete enforcement, at the upper setting pressure sensor of top cover (2) and temperature sensor, gasification temperature in control stove is between 1300～1600 ℃, and the operating pressure in control stove is within the scope of 100～300Pa.
In above-mentioned invention, upper furnace body (26), cooling water outlet web member (5) and entrance of cooling water web member (25) adopt insulating material manufacture, during concrete enforcement, upper furnace body (26) is selected alumina-ceramic or feldspar ceramics or the manufacture of steatite ceramics material, and cooling water outlet web member (5) and entrance of cooling water web member (25) are selected alumina ceramic material manufacture.
The invention has the beneficial effects as follows: domestic refuse or Wood Adhesives from Biomass, be high-quality hydrogen-rich synthetic gas, and eliminate dioxin pollution problem.Compare with routine techniques, in the synthetic gas that the present invention produces, waste gas ratio is few, and hydrogen fraction scale is high, and the synthetic gas that domestic refuse transforms can be applied as the unstripped gas of rear class product.When the supporting dedusting of rear class, purification and the synthesizer of apparatus of the present invention form production line, domestic refuse is converted into methanol product, and can realizes pollution-free and energy disposal domestic refuse.
Accompanying drawing explanation
Fig. 1 is the structure iron of a kind of plasma body rubbish biomass gasification device of the present invention.
Fig. 2 is the A-A sectional view of Fig. 1.
In figure: 1. synthetic gas output interface, 2. top cover, 3. the holding bolt of top cover, 4. gasket a, 5. cooling water outlet web member, 6. hopper, 7. spillway, 8. water seal, 9. moisturizing interface, 10. feed cylinder, 11. screw shafts, 12. axle boxes, 13. shaft joints, 14. wheel boxes, 15. bases, 16. feed cylinder supports, 17. gasket b, 18. lower furnace bodies, 19. negative electrodes, 20. electrical fittings, 21. anodes, the outside parts of 21-1. anode, the inner part of 21-2. anode, 22. work gas input interfaces, 23. gasket c, 24. gasket d, 25. entrance of cooling water web members, 26. upper furnace bodies, I. feed(raw material)inlet, II. material chamber, III. Cathode arc root district, IV. air cavity, V. compression port, VI. annular air-flow path, VII. eddy flow groove, VIII. compression duct, IX. watercooling jacket, X. Anode arc root district, XI. gasification extension area.
Embodiment
In embodiment shown in Fig. 1, plasma body rubbish biomass gasification device is comprised of plasma gasification stove and feeding screw, wherein, plasma gasification stove is mainly by lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and top cover (2) form, lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and the coaxial vertical setting of top cover (2), wherein, lower furnace body (18) is cylindrical structure, You Liao chamber, bottom (II) in cylindrical structure, there is feed(raw material)inlet (I) in material chamber (II), there is the discharge port access of feeding screw feed(raw material)inlet (I), there is bell and spigot and the continuing surface of negative electrode (19) at middle part in lower furnace body (18), the top of negative electrode (19) socket joint in lower furnace body (18), between the continuing surface of the bottom face of negative electrode (19) and lower furnace body (18), there is electrical fitting (20), electrical fitting (20) is connected to the negative pole of working power by supply lead, negative electrode (19) is cylindrical structure, the inner chamber of negative electrode (19) cylinder communicates with material chamber (II) in lower furnace body (18) and is consistent with material chamber (II) internal diameter in lower furnace body (18), the cylinder upper end of negative electrode (19) is bell mouth shape, there are four eddy flow grooves bell-mouthed outer, annular space between negative electrode (19) outer wall and lower furnace body (18) top wall body forms air cavity (IV), has work gas input interface (22) on the wall body of lower furnace body (18), and work gas input interface (22) is communicated to air cavity (IV), upper furnace body (26) is connected to the upper end of lower furnace body (18), between upper furnace body (26) and the junction surface of lower furnace body (18), there is gasket c(23), upper furnace body (26) is rotary structure, on the wall body of upper furnace body (26), there are the via hole of entrance of cooling water web member (25) and the via hole of cooling water outlet web member (5), the bell and spigot and the continuing surface that in upper furnace body (26), have anode (21), anode (21) socket joint is in upper furnace body (26), the upper surface of anode (21) is concordant with the upper surface of upper furnace body (26), between the continuing surface of the outside wall body of anode (21) and upper furnace body (26), there is gasket d(24), anode (21) is rotary structure, the axial centre of anode (21) has through hole, the through hole of anode (21) axial centre forms compression duct (VIII), the two ends in compression duct (VIII) are respectively bell-mouth structure of air, the hydraucone of compression lower end, duct (VIII) forms compression port (V), in the rotary structure wall body of anode (21), there is watercooling jacket (IX), watercooling jacket (IX) in anode (21) rotary structure wall body has entrance of cooling water web member (25) access and cooling water outlet web member (5) to pick out, the V-shaped anchor ring in termination of anode (21) bottom, the angle of V-ring face is consistent with the bell-mouthed angle in negative electrode (19) upper end, the V-ring face of anode (21) bottom extend in the hydraucone of negative electrode (19) upper end and is gapped, gap looping gas channel (VI) between the hydraucone of the V-ring face of anode (21) bottom and negative electrode (19) upper end, the eddy flow groove (VII) of hydraucone outer, negative electrode (19) upper end is communicated to annular air-flow path (VI), the cavity that has Straight on the hydraucone of the upper end, compression duct (VIII) of anode (21), Straight cavity forms gasification extension area (XI), for the ease of processing, anode (21) is constituted by the outside parts (21-1) of anode and the inner part (21-2) of anode, by being welded into one, top cover (2) is arranged on the upper surface of anode (21) and upper furnace body (26), between the junction surface of top cover (2) and upper furnace body (26) and anode (21), there is gasket a(4), on the junction surface of anode (21), there is electrical fitting by supply lead, to be connected to the positive pole of working power, top cover (2) is dome structure, on the bottom circumference of top cover (2), there is mounting flange, with holding bolt (3), top cover (2) is fixed on to the upper surface of anode (21), in the dome of top cover (2), there is synthetic gas output interface (1), simultaneously, at the upper setting pressure sensor of top cover (2) and temperature sensor.Feeding screw is by feed cylinder (10), screw shaft (11), hopper (6), axle box (12), shaft joint (13) and wheel box (14) form, wherein, feed cylinder (10), screw shaft (11), axle box (12) and shaft joint (13) are coaxially horizontally disposed with, there is screw extrusion floor the front portion of screw shaft (11) and in feed cylinder (10), the rear portion of screw shaft (11) is plain shaft structure, the optical axis at screw shaft (11) rear portion is positioned by axle box (12), the optical axis at screw shaft (11) rear portion is through be connected to the driven shaft of wheel box (14) after axle box (12) by shaft joint (13), the main drive shaft of wheel box (14) is connected to the rotating shaft of motor, hopper (6) is connected on feed cylinder (10), the front end of feed cylinder (10) is discharge port, on the housing of hopper (6) upper position, there are spillway (7) and moisturizing interface (9), in hopper (6), there is water seal (8), the water of water seal (8) is liming, liming overflows to the bottom of expecting chamber (II) and negative electrode (19) inner chamber, the synthetic gas that makes work gas in gas ions vapourizing furnace and generation can be from feed(raw material)inlet (I) be leaked and do not come out of the stove, simultaneously, liming has dechlorination and desulfidation.
The device of the present embodiment is when operation, in the material chamber (II) that rubbish or biomass material are sent into plasma gasification stove by feeding screw, by material chamber (II), entered into again the inner chamber of negative electrode (19), simultaneously, work gas enters into air cavity (IV) by interface (22), by eddy flow groove (VII), form swirling eddy again, then by annular air-flow path (VI), entered the compression duct (VIII) of inner chamber and the anode (21) of negative electrode (19), when negative electrode (19) and anode (21) connection working power, between the inner chamber of negative electrode (19) and the hydraucone of compression duct (VIII) exit end of anode, just form plasma arc, the inner chamber of negative electrode (19) just forms Cathode arc root district (III), the hydraucone region of compression duct (VIII) exit end of anode just forms Anode arc root district (X), enter into the rubbish of negative electrode (19) inner chamber or biomass material gasifies and generates and take the synthetic gas that hydrogen and carbon monoxide be main component under the effect of high-temperature plasma electric arc, synthetic gas is drawn vapourizing furnace by compression duct (VIII) and gasification extension area (XI) by output interface (1) successively, and the charcoal particle and the water vapor that in synthetic gas, contain not gasification complete gasification in compression duct (VIII) and gasification extension area (XI).In the present embodiment, work gas is water vapor, when installing in operation, compression duct (VIII) is under the dual function of physical compression and cold reduction, make plasma arc high, reach more than 4000 ℃, water molecules will be decomposed into hydrogen, hydrogen, oxygen, oxygen, hydrogen-oxygen atomic group and active water molecule, in like manner, the water molecules of the water seal volatilization of the moisture in rubbish biomass and negative electrode (19) inner chamber is also decomposed into hydrogen in compression duct (VIII), hydrogen, oxygen, oxygen, hydrogen-oxygen atomic group and active water molecule, in these materials and synthetic gas, undecomposed char particle is proceeded chemical reaction, generate carbon monoxide and hydrogen.The device of the present embodiment is when operation, by controlling the flow of work gas and the electric current of plasma body working power, carry out gasification temperature and the operating pressure in regulating stove, gasification temperature in stove is controlled at 1300～1600 ℃, and operating pressure is controlled within the scope of 100～300Pa.
When the present embodiment is used domestic refuse as gasified raw material, the synthetic gas of drawing from plasma gasification stove need cool to synthetic gas below 200 ℃ fast by quenching apparatus, to suppress to regenerate violent in toxicity dioxin, then by dedusting and deacidification purifying treatment, as the unstripped gas application of methanol or dme.During concrete enforcement, reclaim the heat discharging in synthetic gas temperature-fall period and utilize; When the present embodiment is by the biomass of agriculture and forestry organic waste material and so on during as gasified raw material, the synthetic gas of drawing from plasma gasification stove does not need by chilling operation, with conventional waste heat boiler, reclaiming heat makes synthetic gas be cooled to 250 ℃ when following, again by after dust removal process, as the unstripped gas application of methanol or dme.
In the present embodiment, upper furnace body (26), cooling water outlet web member (5) and entrance of cooling water web member (25) are selected alumina ceramic material manufacture; Negative electrode (19) is selected tungstenalloy or stainless material manufacture; Anode (21) is selected copper alloy or stainless material manufacture; Lower furnace body (18) does not bear high temperature, is reinforced concrete member, wherein cement selection silicate cement mud material.
Claims (9)
1. a plasma body rubbish biomass gasification device, comprise plasma gasification stove and feeding screw, it is characterized in that plasma gasification stove is mainly by lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and top cover (2) form, lower furnace body (18), negative electrode (19), anode (21), upper furnace body (26) and the coaxial vertical setting of top cover (2), wherein, lower furnace body (18) is cylindrical structure, You Liao chamber, bottom (II) in cylindrical structure, negative electrode (19) is arranged on the top in lower furnace body (18), negative electrode (19) is cylindrical structure, the inner chamber of negative electrode (19) cylinder communicates with the material chamber (II) in lower furnace body (18), the cylinder upper end of negative electrode (19) is bell mouth shape, there is eddy flow groove (VII) bell-mouthed outer, annular space between negative electrode (19) outer wall and lower furnace body (18) top wall body forms air cavity (IV), upper furnace body (26) is connected to the upper end of lower furnace body (18), upper furnace body (26) is rotary structure, anode (21) is arranged in upper furnace body (26), anode (21) is rotary structure, the axial centre of anode (21) has through hole, the through hole of anode (21) axial centre forms compression duct (VIII), the two ends in compression duct (VIII) are respectively bell-mouth structure of air, the hydraucone of compression lower end, duct (VIII) forms compression port (V), in the rotary structure wall body of anode (21), there is watercooling jacket (IX), the V-shaped anchor ring in termination of anode (21) bottom, the angle of V-ring face is consistent with the bell-mouthed angle in negative electrode (19) upper end, the V-ring face of anode (21) bottom extend in the hydraucone of negative electrode (19) upper end and is gapped, gap looping gas channel (VI) between the hydraucone of the V-ring face of anode (21) bottom and negative electrode (19) upper end, the eddy flow groove (VII) of hydraucone outer, negative electrode (19) upper end is communicated to annular air-flow path (VI), the cavity that has Straight on the hydraucone of the upper end, compression duct (VIII) of anode (21), Straight cavity forms gasification extension area (XI), top cover (2) is arranged on the upper surface of anode (21) and upper furnace body (26), top cover (2) is dome structure, in the dome of top cover (2), there is synthetic gas output interface (1), air cavity (IV) between negative electrode (19) outer wall and lower furnace body (18) top wall body has work gas input interface (22) access, watercooling jacket (IX) in anode (21) rotary structure wall body has entrance of cooling water web member (25) access and cooling water outlet web member (5) to pick out, in the material chamber of lower furnace body (18) (II), there is feed(raw material)inlet (I), there is the discharge port access of feeding screw feed(raw material)inlet (I).
2. a kind of plasma body rubbish biomass gasification device according to claim 1, it is characterized in that feeding screw is by feed cylinder (10), screw shaft (11), hopper (6), axle box (12), shaft joint (13) and wheel box (14) form, wherein, feed cylinder (10), screw shaft (11), axle box (12) and shaft joint (13) are coaxially horizontally disposed with, there is screw extrusion floor the front portion of screw shaft (11) and in feed cylinder (10), the rear portion of screw shaft (11) is plain shaft structure, the optical axis at screw shaft (11) rear portion is positioned by axle box (12), the optical axis at screw shaft (11) rear portion is through be connected to the driven shaft of wheel box (14) after axle box (12) by shaft joint (13), the main drive shaft of wheel box (14) is connected to the rotating shaft of motor, hopper (6) is connected on feed cylinder (10), the front end of feed cylinder (10) is discharge port.
3. a kind of plasma body rubbish biomass gasification device according to claim 1, it is characterized in that having in lower furnace body (18) bell and spigot and the continuing surface of negative electrode (19), negative electrode (19) socket joint is in lower furnace body (18), the cylinder internal diameter of negative electrode (19) is consistent with material chamber (II) internal diameter in lower furnace body (18), between the bottom face of negative electrode (19) and the continuing surface of lower furnace body (18), has electrical fitting (20).
4. a kind of plasma body rubbish biomass gasification device according to claim 1, is characterized in that on the wall body of lower furnace body (18), there is work gas input interface (22), and work gas input interface (22) is communicated to air cavity (IV).
5. a kind of plasma body rubbish biomass gasification device according to claim 1, is characterized in that there is gasket c(23 between upper furnace body (26) and the junction surface of lower furnace body (18)); On the wall body of upper furnace body (26), there are the via hole of entrance of cooling water web member (25) and the via hole of cooling water outlet web member (5).
6. a kind of plasma body rubbish biomass gasification device according to claim 1, it is characterized in that having in upper furnace body (26) bell and spigot and the continuing surface of anode (21), anode (21) socket joint is in upper furnace body (26), and the upper surface of anode (21) is concordant with the upper surface of upper furnace body (26); Between the continuing surface of the outside wall body of anode (21) and upper furnace body (26), there is gasket d(24).
7. a kind of plasma body rubbish biomass gasification device according to claim 1, is characterized in that there is gasket a(4 between the junction surface of top cover (2) and upper furnace body (26) and anode (21)).
8. a kind of plasma body rubbish biomass gasification device according to claim 1, is characterized in that anode (21) is combined by the outside parts (21-1) of anode and the inner part (21-2) of anode.
9. a kind of plasma body rubbish biomass gasification device according to claim 1, is characterized in that the eddy flow groove (VII) of hydraucone outer, negative electrode (19) upper end is more than two.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1648218A (en) * | 2005-01-05 | 2005-08-03 | 太原理工大学 | Plasma coal gasifying process and device |
| CN1737427A (en) * | 2004-08-18 | 2006-02-22 | 董俊 | Garbage treating plant with low energy consumption and treating method thereof |
| CN203247235U (en) * | 2013-05-16 | 2013-10-23 | 衢州市广源生活垃圾液化技术研究所 | Plasma garbage biomass gasification device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1737427A (en) * | 2004-08-18 | 2006-02-22 | 董俊 | Garbage treating plant with low energy consumption and treating method thereof |
| CN1648218A (en) * | 2005-01-05 | 2005-08-03 | 太原理工大学 | Plasma coal gasifying process and device |
| CN203247235U (en) * | 2013-05-16 | 2013-10-23 | 衢州市广源生活垃圾液化技术研究所 | Plasma garbage biomass gasification device |
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