CN101768452B - System for making coal gas and/or activated carbon with sorted garbage as raw material, and device and method thereof - Google Patents
System for making coal gas and/or activated carbon with sorted garbage as raw material, and device and method thereof Download PDFInfo
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- CN101768452B CN101768452B CN2009102587230A CN200910258723A CN101768452B CN 101768452 B CN101768452 B CN 101768452B CN 2009102587230 A CN2009102587230 A CN 2009102587230A CN 200910258723 A CN200910258723 A CN 200910258723A CN 101768452 B CN101768452 B CN 101768452B
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Abstract
The invention relates to a system for making coal gas and activated carbon with sorted garbage as the raw material and device and method thereof, which effectively treats and utilizes the biomass raw material in the garbage. The system adopts the technical scheme that the system comprises a biomass raw material pretreating system, a cracking system, a coal gas collecting system, a gaseous isolate collecting and circulating system and an activated carbon finishing processing and treating system; garbage raw material is crushed in the pretreating system and then enters the cracking system, the gaseous resultant generated from the cracking system is treated through the gaseous isolate collecting and circulating system and then conveyed to the corresponding circulating inlet of the system, and a charring furnace device for microwave heating and enclosed low-temperature cracking is adopted in the cracking system. The invention fully utilizes the garbage resources, reduces environment pollution and energy consumption, and fundamentally realizes harmless garbage treatment.
Description
Technical field
The invention belongs to field of environment protection, relate to technology of garbage disposal, particularly system, the apparatus and method take waste classification substances as waste coal gas and gac.
Background technology
The progress of civilization, human many demands in life have been satisfied in the prosperity of industry, but have also made many rubbish that abandon that use through the mankind.Solid waste comprises that domestic waste, health care rubbish, trade waste and other have the defective work of combustion value.In traditional trash processing way, sanitary landfill method: because floor space is large, processing costs is high, waste a large amount of land resourcess, and applied value reduces gradually.Composting process: because organic utilization is incomplete, the fertilizer complicated, the factor such as minimizing is less will progressively be eliminated.Burning method: limited by component of refuse, incinerator and the output of heat and power system heat energy are low with the rate of recovery, and working cost is large; Cost of electricity-generating is high; Tail vapour and slag emission environmental protection index are poor simultaneously, and treatment cost is high; Affected greatly applying of this technology.
[0003]Develop a kind of both environmental protection, again can be with the waste resources recycle, simple waste disposal method is in demand in real time.
Pyrolysis processing is that solid waste is heated to certain temperature under anaerobic or oxygen deprivation condition, make the chemical combination bond rupture of compound with heat energy, changed into the intermediate product of energy product by the large organism of relative molecular mass, being the process of the little inflammable gas of relative molecular mass, liquid fuel and coke, is a kind of very effective recycling treatment mode.
Refuse pyrolysis is a new technology of processing domestic refuse that grew up in recent years.This technology has cleaning, processes thorough, energy utilization rate high.Still be in the fundamental applied research stage at Chinese refuse pyrolysis treatment technology, domestic many colleges and universities and scientific research institutions have carried out a large amount of tests, have put into practice and also obtained suitable applicability support technology it.
Summary of the invention
The invention provides a kind of production system, apparatus and method take the material that is rich in carbohydrate that from rubbish, sub-elects as waste coal gas and gac, both reasonably utilize waste resources, avoided again the problem that exists in the Other Waste treatment process.In the present invention, organic rubbish material is carried out pyrolysis, coal gas and gac are prepared in activation, and rubbish is turned waste into wealth.
The technical solution used in the present invention is: take the system of waste classification substances as waste coal gas and gac, comprise in this system waste classification substances is carried out pretreated pretreatment system, cracking system, the coal gas gathering system, and the gaseous state isolate is collected the recycle system, active-carbon finely processing treatment system, the garbage raw material pulverization process that in pretreatment system, sorts out, enter again cracking system, the gaseous state resultant that extracts from cracking system, collect the corresponding loop head of delivering to system after the recycle system is processed through the gaseous state isolate, adopted microwave heating in the cracking system, the charring furnace device of airtight low temperature pyrolyzer, this device is with the pyrolysis furnace chamber, the cooling crushing chamber of processing solid carbon compound is integrated in the body of heater, lay respectively at top and the middle part of body of heater, the sorting raw material enters the pyrolysis furnace chamber and realizes malleation, low temperature pyrolyzer under the nitrogen atmosphere, cracking solid carbon compound out enters the cooling crushing chamber and finishes broken processing, entering activating chamber, to carry out activation treatment be primary activity charcoal product again.
A kind of microwave heating of using with the system support take waste classification substances as waste coal gas and/or gac, the charring furnace of airtight low temperature pyrolyzer, comprise top slide seal cover board and pyrolysis body of heater two portions in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber of sealed structure, cooling crushing chamber two portions of thing are stayed in the processing charing that is positioned at pyrolysis furnace chamber below admittedly, the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber top, the supporting reverse V-shaped groove track that arranges with pyrolysis body of heater upper end forms slipper seal formula friction pair, comprises the case type frame in the structure, by seal diaphragm II with supportingly be arranged on the sealed structure that elaxtic seal on the housing and movable part form, the body of heater internal space is separated into pyrolysis furnace chamber and cooling crushing chamber.
Take the method for waste classification substances as waste coal gas and/or gac, comprise early stage to screening and the pulverizing of rubbish material, it is characterized in that: the method is further comprising the steps of:
(1) utilizes microwave heating pretreated rubbish material of cracking process under closed environment;
(2) vapour after separation and the categorised collection cracking is set up pipeline and the treatment unit of circulation to rare gas element, tar and water;
(3) fragmentation: it is broken that the charing after pyrolysis finished stays thing to carry out elementary cooling admittedly;
(4) screening: collect and also further process elementary carbide intermediates, comprise siliceous, calcium admixture composition are separated with carbide;
(5) activation: the primary activity charcoal product after will separating adopts activating of rotary type microwave activation stove;
(6) the carbide sorting of separating is formed the activated carbon product of different stage by means of the air-flow flotation process;
(7) activated carbon product is carried out centrifuge dehydration, drying machine drying forms the finished product.
The invention has the beneficial effects as follows: cracking treatment technology of the present invention has cleaning, processes the advantage thorough, that energy utilization rate is high.The solid waste that will have a combustion value is dissolved through technical finesse and is inflammable gas and is applicable to the activated carbon product that is up to state standards that multiple industry is used.
Description of drawings
Fig. 1 system framework figure of the present invention;
Fig. 2 process flow sheet of the present invention;
The positive cross-sectional view of the microwave heated rubbish material pyrolysis of Fig. 3 and charring furnace;
The microwave heated rubbish material pyrolysis of Fig. 4 and charring furnace side cross-sectional view;
Wherein, A represents the coal gas gathering system, B represents the gaseous state isolate collection recycle system, C represents active-carbon finely processing treatment system, D represents cracking system, E represents pretreatment system, A1 semidrying deacidifying device, A2 artificial coal gas pressure regulation collection device, A3 is that coal gas utilizes power generation assembly, B1 condensation of gas device, B2 are pressure-swing absorption apparatus, and B3 is that rare gas element returns collection device, B4 is water oil mixt tripping device, B5 is the pond, B6 is tar well, and C1 is rotary type microwave activation stove, and C2 is whizzer, C3 is the gac dryer, C4 is the gac collection device, and C5 is the shaking-sieving device, and C6 is the collection device of silico-calcium admixture, C7 is vapor heat exchanger, C8 is the glass adsorption tower, and C9 is the electrical heating type vapor superheater, and C10 is gac fluidization sorting unit, D1 is the pyrolysis furnace chamber, D2 is the cooling crushing chamber, and 1 is frame, and 2 is bed of material, 3 is friction pair, 4 is the microwave radiation wall, and 5 is microwave wall energy control line interface, 6 top blind flange, 7 is steam outlet, 8 are the material compression plate with pilot hole, and 9 is seal diaphragm I, and 10 is the nitrogen input channel, 11 is the screw pair I, 12 are material bed rotating stand, and 13 is temperature sensor, and 14 are rotation of disc driving hydraulic stem, 15 is water wall, 16 is gas exit, and 17 are the non-combustible gas outlet, and 20 is seal diaphragm II, 21 is motor, 22 is pulley belt, and 23 is the burnt surge hopper of charcoal, and 24 is crushing teeth, 25 is to rolling over formula discharging hopper, 26 is transmitting gear, and 27 is star feeder, 28 storing bins, 32 is solid material bed bracket dish, 33 is mixed gas outlet, and 34 are the radioprotective chassis, and 35 is the screw pair II.
Embodiment
Referring to attached Fig. 1 and 2, the present invention proposes a kind of system, apparatus and method take waste classification substances as waste coal gas and gac, the technical scheme that system adopts is:
Take the system of waste classification substances as waste coal gas and gac, comprise in this system waste classification substances is carried out pretreated pretreatment system E, cracking system D, coal gas gathering system A, and the gaseous state isolate is collected recycle system B, the active-carbon finely processing treatment C of system, the garbage raw material pulverization process that in pretreatment system E, sorts out, enter again cracking system D, the gaseous state resultant that extracts from cracking system D, collect the corresponding loop head of delivering to system after recycle system B processes through the gaseous state isolate, adopted microwave heating among the cracking system D, the charring furnace device of airtight low temperature pyrolyzer, this device is with pyrolysis furnace chamber D1, the cooling crushing chamber D2 of processing solid carbon compound is integrated in the body of heater, lay respectively at top and the middle part of body of heater, the sorting raw material enters pyrolysis furnace chamber D1 and realizes malleation, low temperature pyrolyzer under the nitrogen atmosphere, cracking solid carbon compound out enters cooling crushing chamber D2 and finishes broken processing, entering the D3 of activating chamber, to carry out activation treatment be primary activity charcoal product again.
Adopted the pyrolysis furnace chamber D1 of microwave heating to realize that envrionment temperature is cooled off among the crushing chamber D2 and adopted pair roller type crushing device for not being higher than 450 ℃ in the low temperature, sealing cracking to material.
The water vapour of discharging among the pyrolysis furnace chamber D1; carbon dioxide; after nitrogen enters gaseous state isolate collection recycle system B; by gas quench system B1 cool off remove oil-water mixture after; after entering variable pressure gas adsorption unit B2; isolated inflammable gas; directly be sent among the coal gas gathering system A and collect utilization; isolated rare gas element is introduced rare gas element collection device B3; continuation feeds back as the cracking shielding gas and delivers to pyrolysis furnace chamber D1; enter into water oil mixt tripping device B4 by the isolated water oil mixt of gas quench system B1 and separate, the water after separating is collected in pond B5; tar after the separation is stored in and carries out second stage employ among the tar well B6.
Introduce again the active-carbon finely processing treatment C of system from cooling crushing chamber (D2) primary activity charcoal product out, further isolate among the collection device C6 that silico-calcium admixture byproduct is collected in the silico-calcium admixture through shaking-sieving device C5, after the primary activity charcoal product that separates with the silico-calcium admixture that shaking-sieving device C5 draws is introduced and is carried out activation treatment in the rotary type microwave activation stove C1, get activated carbon product, enter gac fluidization sorting unit C10 fluidization flotation classification, in whizzer C2, dewater, in gac dryer C3 oven dry, form at last activated carbon product and enter gac collection device C4.
Carry out heat exchange by rotary type microwave activation stove (C1) saturation steam out by vapor heat exchanger C7, the heating uncontaminated air uses as gac dryer C3 thermal source, and the steam after the heat exchange enters electrothermic type vapor superheater C9 after through glass gas wash tower C8 dedusting to carry out returning rotary type microwave activation stove C1 after the second-heating and recycle.
After the coal gas of discharging among the pyrolysis furnace chamber D1 entered coal gas gathering system A, A1 separated by the semidrying deacidifying device, the coal gas after separating is introduced artificial coal gas pressure regulation collection device A2 collect, and carried coal gas to utilize power generation assembly A3 to utilize.
Referring to accompanying drawing 3 and 4, the technical scheme that device adopts is:
The microwave heating that system support take waste classification substances as waste coal gas and gac is used, the charring furnace of airtight low temperature pyrolyzer, comprise top slide seal cover board and pyrolysis body of heater two portions in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber D1 of sealed structure, cooling crushing chamber D2 two portions of thing are stayed in the processing charing that is positioned at pyrolysis furnace chamber D1 below admittedly, the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber D1 top, the supporting reverse V-shaped groove track that arranges with pyrolysis body of heater upper end forms slipper seal formula friction pair 3, comprises case type frame 1 in the structure, by seal diaphragm II 20 with supportingly be arranged on the sealed structure that elaxtic seal on the housing and movable part form, the body of heater internal space is separated into pyrolysis furnace chamber D1 and cooling crushing chamber D2.
[0020]Be provided with radioprotective chassis 34, steam outlet 7,17 and two gas exits 16 of non-combustible gas outlet on the top blind flange 6 of slipper seal cover plate.
Pyrolysis furnace chamber D1 is positioned at the top of body of heater, comprise microwave radiation wall 4 and bed of material 2 in the structure, microwave radiation wall 4 be hung on radioprotective chassis 34 below, microwave wall energy control line interface 5 is passed by top blind flange 6, bed of material 2 comprises the material compression plate 8 with pilot hole, solid material bed bracket dish 32, material bed rotating stand 12 and nitrogen input channel 10, realize up and down parallel with the material compression plate 8 of pilot hole by screw pair I 11, bed of material rotating stand 12 is positioned on the below, seal diaphragm II 20 of solid material bed bracket dish 32.
[0022]Cooling crushing chamber D2 is positioned at the middle part of body of heater, comprise the burnt surge hopper 23 of charcoal in the structure, oppositely rolling roller crusher, transmission rig, to rolling over formula discharging hopper 25, the upset of water wall 15 and bed of material drives hydraulic connecting rod 14, oppositely rolling roller crusher places the below of the burnt surge hopper 23 of charcoal, burnt surge hopper 23 inwalls of charcoal are provided with the water wall 15 for cooling, to rolling over formula discharging hopper 25) then be arranged at the below of oppositely rolling roller crusher, the upset of bed of material drives hydraulic stem 14 1 ends and is hinged on the vertical seal diaphragm I 9 that cools off crushing chamber D2, and the other end is hinged on the below of solid material bed bracket dish 32.
Top slide seal cover board below is provided with it is moved horizontally the screw pair II 35 that drives, non-combustible gas outlet 17 and gas exit 16 arrange magnetic valve, above magnetic valve according to pilot circuit send sequential instruction opening and closing, microwave wall energy control line interface 5 is with main line, connection and is flexible coupling, and microwave radiation wall 4 is filled with antiradiation material with the gap of top blind flange 6 bottoms.
Be provided with the temperature sensor 13 of measuring the material reaction temperature in the pyrolysis furnace chamber D1, the status signal that temperature sensor 13 collects is connected to the corresponding input terminus of pilot circuit.
[0025]Formula discharging hopper (25) is communicated with the star feeder (27) of storing bin (28) top to rolling over, star feeder (27) is communicated with storing bin (28), and the bottom of storing bin (28) is provided with the outlet of the charcoal product after the primary activation.
The input and output material of pyrolysis furnace chamber A1 is realized by the slip of top slide seal cover board and the hydraulic pressure rolling of solid material bed bracket dish 32.When the input material, after the top slide seal cover board moves, open the passage that material enters solid material bed bracket dish 32, because top blind flange 6 is 2 times of the body of heater width at the sliding distance of body of heater slide rail, can realize entirely opening of furnace roof, realize rapid loading by the direct feed of grab bucket.Because the removal of solid material bed bracket dish 32 interior materials is toppled over by the upset of himself, the standard-sized sheet Men Weiqi of roof of the furnace provides strong condition, can realize quickly discharging equally simultaneously.
After material enters pyrolysis furnace chamber D1, adopt airtight, airtight heating.Be provided with elaxtic seal between the movable part in the housing of pyrolysis body of heater and the body of heater, the supporting reverse V-shaped groove track that the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber D1 top, arranges with pyrolysis body of heater upper end forms slipper seal formula friction pair 3, these all provide condition for the required closed environment of the cracking process of material, nitrogen enters into pyrolysis furnace chamber D1 from nitrogen input channel 10, consists of the inert gas environment in the pyrolysis furnace chamber D1.After the strong energising of microwave radiation, the material on the fixing material bed 2 of material reaction is heated, the material carry out microwave radiation heating heats up from inside to outside, and in the process of intensification, moisture is got rid of with the situation of water vapour.Material produces non-combustible gas in the process of Pintsch process, water vapour and carbon dioxide, and inflammable gas, is discharged by solenoid control by steam outlet 7 and two gas exits 16 by non-combustible gas outlet 17, nitrogen, carries out categorised collection.The setting of temperature sensor 13 can be controlled the indoor temperature of pyrolysis oven more accurately.
Solid material bed bracket dish 32 upset will be toppled in charcoal Jiao surge hopper 23 with the cooling crushing chamber through the solid carbon compound after the cracking.Comprise oppositely rolling roller crusher, transmission rig and feeding-discharging mechanism in the cooling crushing chamber D2 structure.Transmission rig comprise transmitting gear 26 between motor 21, pulley belt 22, main shaft,, crushing mechanism comprises in relative rotation crushing teeth 24, feeding-discharging mechanism comprises the burnt surge hopper 23 of charcoal and to rolling over formula discharging hopper 25, crushing teeth 24 is positioned at the bottom of the burnt surge hopper 23 of charcoal, to rolling over formula discharging material
The top of bucket 25.After staying the abundant fragmentation of thing admittedly, the charing that enters the burnt surge hopper 23 of charcoal enters into rolling over formula discharging hopper 25.To rolling over the solid carbon compound in the formula discharging hopper 25, enter storing bin 28 through star feeder 27, further activate again.
Rotary type microwave activation stove
The present invention organically is combined in pyrolysis furnace chamber D1, cooling crushing chamber D2 in the body of heater, charing after cracking is finished stays thing directly to pour into to be arranged at the elementary cooling crushing chamber D2 at burner hearth middle part to carry out fragmentation admittedly, solid carbon compound after fragmentation enters into rotary type microwave activation stove and activates, and is simple for structure, reliability is strong.
Structural part in all microwave radiation scopes all adopts special substance to add the manufacturing of overlay film treatment process, and the extremely low equipment safety of the reflection of microwave and leakage rate is good.The burnt pair roller type crushing device that adopts of charcoal of finishing through cracking carries out the reductibility fragmentation: can guarantee the fiber shape of gac, can improve again the activation efficiency in reactivation process.It is high that cracking process is controlled the reaction process level of automation automatically by temperature, pressure and gas flow change detection and control, stable performance.The control method control that microwave radiation adopts by force grouping to combine with interlock reduces non-power consumption loss, improves the reliability of operation.
Apparatus of the present invention design integration structure organically is combined in pyrolysis furnace chamber D1, cooling crushing chamber D2 in the burner hearth, and simple for structure, reliability is strong.The distinctive input and output material design of pyrolysis furnace chamber D1, designs simplification, speed is fast.
[0032]The present invention adopts microwave heating, material is heated evenly, the thermal radiation area is large, heat-up rate is fast, moisture in the material does not namely volatilize with the water vapour form before reaching the waste classification substances cracking temperature, do not participate in the reaction of cracking process, thereby realize that cracking process does not produce product liquid, improve its applicability.Adopt 450 ℃ low temperature pyrolyzer, do not produce any dioxins materials in the process, innoxious level is high.Adopt under the nitrogen protection condition material is carried out pyrolysis processing, reduce the oxygen of material in the refuse pyrolysis process
Change loss, improve the rate of recovery of solid carbon more than 50%.According to the microwave heating material characteristic, the energy that self holds of residue carries out Physical charcoal activation treatment after taking full advantage of cracking and finishing, effectively save energy.It is activator that gac reactivation process adopts steam and carbonic acid gas, has both effectively improved the intensity that reclaims charcoal, reduces again the secondary pollution that chemical activation is processed.
The technical scheme that method adopts is:
The method is further comprising the steps of:
(1) utilizes microwave heating pretreated rubbish material of cracking process under closed environment;
(2) vapour after separation and the categorised collection cracking is set up pipeline and the treatment unit of circulation to rare gas element, tar and water;
(3) fragmentation: it is broken that the charing after pyrolysis finished stays thing to carry out elementary cooling admittedly;
(4) screening: collect and also further process elementary carbide intermediates, comprise siliceous, calcium admixture composition are separated with carbide;
(5) activation: the elementary charcoal product after will separating adopts activating of rotary type microwave activation stove;
(6) the carbide sorting of separating is formed the activated carbon product of different stage by means of the air-flow flotation process;
(7) activated carbon product is carried out centrifuge dehydration, drying machine drying forms the finished product.
In the step (1), the process environments that the biomass pyrolytic of microwave heating adopts is 450 ℃-350 ℃ reducing atmosphere, and the used match power that gets microwave heater is 400-750KW.
The exchanging heat that has produced when having adopted steam cooling in the gac reactivation process in the step (7) in the used thermal source.
Charing after adopting pair roller type crushing device to cracking in the step (3) stays thing to process admittedly.
[0037]The cracking of step (1) biomass material comprises following two steps:
(1-1) oven dry: carry out microwave radiation heating, the moisture gasification volatilization in the biomass material temperature-rise period in the material;
(1-2) pyrolysis: microwave radiation continues heating, is issued to the organic components cracking temperature at nitrogen atmosphere, realizes the gasification destructive distillation.
Claims (1)
1. take the system of waste classification substances as waste coal gas and gac, comprise in this system waste classification substances is carried out pretreated pretreatment system (E), cracking system (D), coal gas gathering system (A), and the gaseous state isolate is collected the recycle system (B), active-carbon finely processing treatment system (C), the garbage raw material pulverization process that in pretreatment system (E), sorts out, enter again cracking system (D), the gaseous state resultant that extracts from cracking system (D), collect the corresponding loop head of delivering to system after the recycle system (B) is processed through the gaseous state isolate, it is characterized in that: adopted microwave heating in the cracking system (D), the charring furnace device of airtight low temperature pyrolyzer, this device is with pyrolysis furnace chamber (D1), the cooling crushing chamber (D2) of processing solid carbon compound is integrated in the body of heater, lay respectively at top and the middle part of body of heater, the sorting raw material enters pyrolysis furnace chamber (D1) and realizes malleation, low temperature pyrolyzer under the nitrogen atmosphere, cracking solid carbon compound out enters cooling crushing chamber (D2) and finishes broken processing, entering activating chamber (D3), to carry out activation treatment be primary activity charcoal product again.
2. according to claim 1 take the system of waste classification substances as waste coal gas and gac, it is characterized in that: adopted the pyrolysis furnace chamber (D1) of microwave heating to realize that envrionment temperature is cooled off in the crushing chamber (D2) and adopted pair roller type crushing device for not being higher than 450 ℃ in the low temperature, sealing cracking to material.
3. according to claim 1 take the system of waste classification substances as waste coal gas and gac, it is characterized in that: after water vapour, carbon dioxide, the nitrogen of discharging in the pyrolysis furnace chamber (D1) enters the gaseous state isolate collection recycle system (B), by gas quench system (B1) cool off remove oil-water mixture after, after entering variable pressure gas adsorption unit (B2), isolated inflammable gas, directly be sent in the coal gas gathering system (A) and collect utilization, isolated rare gas element is introduced indifferent gas
Body collection device (B3); continuation feeds back as the cracking shielding gas and delivers to pyrolysis furnace chamber (D1); enter into water oil mixt tripping device (B4) by the isolated water oil mixt of gas quench system (B1) and separate, with the water after separating be collected in pond (B5), tar after separating is stored in the tar well (B6) and carries out second stage employ.
4. according to claim 1 take the system of waste classification substances as waste coal gas and gac, it is characterized in that: introduce again the active-carbon finely processing treatment system (C) from cooling crushing chamber (D2) primary activity charcoal product out, further isolate in the collection device (C6) that silico-calcium admixture byproduct is collected in the silico-calcium admixture through shaking-sieving device (C5), after the primary activity charcoal product that separates with the silico-calcium admixture that shaking-sieving device (C5) is drawn is introduced and is carried out activation treatment in the rotary type microwave activation stove (C1), get activated carbon product, enter gac fluidization sorting unit (C10) fluidization flotation classification, dehydration in whizzer (C2), in gac dryer (C3) oven dry, form at last activated carbon product and enter gac collection device (C4).
5, according to claim 1 take the system of waste classification substances as waste coal gas and gac, it is characterized in that: carry out heat exchange by rotary type microwave activation stove (C1) saturation steam out by vapor heat exchanger (C7), the heating uncontaminated air uses as gac dryer (C3) thermal source, and the steam after the heat exchange enters electrothermic type vapor superheater (C9) after through glass gas wash tower (C8) dedusting to carry out returning rotary type microwave activation stove (C1) after the second-heating and recycle.
6. according to claim 1 take the system of waste classification substances as waste coal gas and gac, it is characterized in that: after the coal gas of discharging in the pyrolysis furnace chamber (D1) enters coal gas gathering system (A), (A1) separates by the semidrying deacidifying device, coal gas after separating is introduced artificial coal gas pressure regulation collection device (A2) collect, carry coal gas to utilize power generation assembly (A3) to utilize.
7. microwave heating of using with the system support take waste classification substances as waste coal gas and gac claimed in claim 1, the charring furnace of airtight low temperature pyrolyzer, it is characterized in that: comprise top slide seal cover board and pyrolysis body of heater two portions in the structure, comprise the malleation that has adopted microwave heat in the pyrolysis oven body structure, nitrogen atmosphere, the pyrolysis furnace chamber (D1) of sealed structure, cooling crushing chamber (D2) two portions of thing are stayed in the processing charing that is positioned at pyrolysis furnace chamber (D1) below admittedly, the reverse V-shaped groove track of inserted sealing material is set on the slipper seal cover plate at pyrolysis furnace chamber (D1) top, the supporting reverse V-shaped groove track that arranges with pyrolysis body of heater upper end forms slipper seal formula friction pair (3), comprises case type frame (1) in the structure, by seal diaphragm II (20) with supportingly be arranged on the sealed structure that elaxtic seal on the housing and movable part form, the body of heater internal space is separated into pyrolysis furnace chamber (D1) and cooling crushing chamber (D2).
8. system support applied microwave heating, the charring furnace of airtight low temperature pyrolyzer take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 7 is characterized in that: be provided with radioprotective chassis (34), steam outlet (7), non-combustible gas outlet (17) and two gas exits (16) on the top blind flange of slipper seal cover plate (6).
9. the system support applied microwave heating take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 7, the charring furnace of airtight low temperature pyrolyzer, it is characterized in that: pyrolysis furnace chamber (D1) is positioned at the top of body of heater, comprise microwave radiation wall (4) and bed of material (2) in the structure, microwave radiation wall (4) be hung on radioprotective chassis (34) below, microwave wall energy control line interface (5) is passed by top blind flange (6), bed of material (2) comprises the material compression plate (8) with pilot hole, solid material bed bracket dish (32), material bed rotating stand (12) and nitrogen input channel (10), material compression plate (8) with pilot hole is realized up and down parallel by screw pair I (11), and bed of material rotating stand (12) is positioned at the below of solid material bed bracket dish (32), on the seal diaphragm II (20).
10. the system support applied microwave heating take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 7, the charring furnace of airtight low temperature pyrolyzer, it is characterized in that: cooling crushing chamber (D2) is positioned at the middle part of body of heater, comprise the burnt surge hopper (23) of charcoal in the structure, oppositely rolling roller crusher, transmission rig, to rolling over formula discharging hopper (25), the upset of water wall (15) and bed of material drives hydraulic connecting rod (14), oppositely rolling roller crusher places the below of the burnt surge hopper of charcoal (23), burnt surge hopper (23) inwall of charcoal is provided with the water wall (15) for cooling, then be arranged at the below of oppositely rolling roller crusher to rolling over formula discharging hopper (25), the upset of bed of material drives hydraulic stem (14) one ends and is hinged on the vertical seal diaphragm I (9) that cools off crushing chamber (D2), and the other end is hinged on the below of solid material bed bracket dish (32).
11. the system support applied microwave heating take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 7, the charring furnace of airtight low temperature pyrolyzer, it is characterized in that: top slide seal cover board below is provided with it is moved horizontally the screw pair II (35) that drives, non-combustible gas outlet (17) and gas exit (16) arrange magnetic valve, above magnetic valve according to pilot circuit send sequential instruction opening and closing, microwave wall energy control line interface (5) and main line, connection is and is flexible coupling, and microwave radiation wall (4) is filled with antiradiation material with the gap of top blind flange (6) bottom.
12. system support applied microwave heating, the charring furnace of airtight low temperature pyrolyzer take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 9, it is characterized in that: be provided with the temperature sensor (13) of measuring the material reaction temperature in the pyrolysis furnace chamber (D1), the status signal that temperature sensor (13) collects is connected to the corresponding input terminus of pilot circuit.
13. system support applied microwave heating, the charring furnace of airtight low temperature pyrolyzer take waste classification substances as waste coal gas and gac a kind of and claimed in claim 1 according to claim 10, it is characterized in that: formula discharging hopper (25) is communicated with the star feeder (27) of storing bin (28) top to rolling over, star feeder (27) is communicated with storing bin (28), and the bottom of storing bin (28) is provided with the outlet of the charcoal product after the primary activation.
14. take the method for waste classification substances as waste coal gas and gac, comprise early stage to screening and the pulverizing of rubbish material, it is characterized in that: the method is further comprising the steps of:
(1) utilizes microwave heating pretreated rubbish material of cracking process under closed environment;
(2) vapour after separation and the categorised collection cracking is set up pipeline and the treatment unit of circulation to rare gas element, tar and water;
(3) fragmentation: it is broken that the charing after pyrolysis finished stays thing to carry out elementary cooling admittedly;
(4) screening: collect and also further process elementary carbide intermediates, comprise siliceous, calcium admixture composition are separated with carbide;
(5) activation: the elementary charcoal product after will separating adopts activating of rotary type microwave activation stove;
(6) the carbide sorting of separating is formed the activated carbon product of different stage by means of the air-flow flotation process;
(7) activated carbon product is carried out centrifuge dehydration, drying machine drying forms the finished product.
15. according to claim 14 take the method for waste classification substances as waste coal gas and gac, it is characterized in that: in the described step of the method, the device that the cracking material adopts is the charring furnace of microwave heating claimed in claim 6, airtight low temperature pyrolyzer.
16. according to claim 14 take the method for waste classification substances as waste coal gas and gac, it is characterized in that: in the step (1), the process environments that the biomass pyrolytic of microwave heating adopts is 450 ℃-350 ℃ reducing atmosphere, and the used match power that gets microwave heater is 400-750KW.
17. according to claim 14 take the method for waste classification substances as waste coal gas and gac, it is characterized in that: the exchanging heat that has produced when having adopted steam cooling in the gac reactivation process in the step (7) in the used thermal source.
18. according to claim 14 take the method for waste classification substances as waste coal gas and gac, it is characterized in that: adopt and adopt pair roller type crushing device in the step (3)
Admittedly stay thing to process to the charing after the cracking.
19. according to claim 14 take the method for waste classification substances as waste coal gas and gac, it is characterized in that: the cracking of step (1) biomass material comprises following two steps:
(1-1) oven dry: carry out microwave radiation heating, the moisture gasification volatilization in the biomass material temperature-rise period in the material;
(1-2) pyrolysis: microwave radiation continues heating, is issued to the organic components cracking temperature at nitrogen atmosphere, realizes the gasification destructive distillation.
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| CN200910105518.0 | 2009-02-23 | ||
| CN2009102587230A CN101768452B (en) | 2009-02-23 | 2009-12-10 | System for making coal gas and/or activated carbon with sorted garbage as raw material, and device and method thereof |
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| US8657999B2 (en) * | 2010-07-28 | 2014-02-25 | General Electric Company | Methods for preparing fuel compositions from renewable sources, and related systems |
| CN102275913B (en) * | 2011-07-20 | 2013-05-29 | 四川理工学院 | Method for preparing active carbon with solid residues from microwave pyrolysis of urban solid domestic wastes |
| CN102433139B (en) * | 2011-11-23 | 2014-01-22 | 胡昀 | Garbage cracking purification device and garbage cracking purification treatment process |
| CN103332690A (en) * | 2013-07-12 | 2013-10-02 | 天津城市建设学院 | Food residue activated carbon for wastewater treatment, and preparation method of food residue activated carbon |
| CZ305890B6 (en) * | 2014-08-25 | 2016-04-20 | Aivotec S.R.O. | Apparatus for treating organic material of biological origin by making use of carbonization |
| CN106424091B (en) * | 2016-10-28 | 2019-08-13 | 深圳华云智能装备科技有限公司 | A kind of domestic garbage treating system |
| CN108993458B (en) * | 2018-07-04 | 2021-03-19 | 浙江荣兴活性炭有限公司 | Environment-friendly regenerated active carbon production line |
| CN113278438B (en) * | 2021-05-31 | 2022-06-14 | 西安热工研究院有限公司 | Coal-fired power plant-based microwave pyrolysis treatment system and method for waste wind power blades |
| CN115404353A (en) * | 2022-10-08 | 2022-11-29 | 云南金鼎锌业有限公司 | Method for improving solution organic matter adsorption efficiency in zinc hydrometallurgy |
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| CN1251857A (en) * | 1998-10-17 | 2000-05-03 | 罗国栋 | Technology for mechanically producing charcoal and its shaping machine |
| CN1303905A (en) * | 2000-01-12 | 2001-07-18 | 中国科学技术大学 | Thermal-cracking decoking biomass gasification furnace |
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| CN1251857A (en) * | 1998-10-17 | 2000-05-03 | 罗国栋 | Technology for mechanically producing charcoal and its shaping machine |
| CN1367812A (en) * | 1999-08-04 | 2002-09-04 | 日本钢管株式会社 | Method for treating combustible waste |
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