CN202193756U - Biomass microwave pyrolysis circulating treatment equipment - Google Patents
Biomass microwave pyrolysis circulating treatment equipment Download PDFInfo
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- CN202193756U CN202193756U CN2011203124845U CN201120312484U CN202193756U CN 202193756 U CN202193756 U CN 202193756U CN 2011203124845 U CN2011203124845 U CN 2011203124845U CN 201120312484 U CN201120312484 U CN 201120312484U CN 202193756 U CN202193756 U CN 202193756U
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- 239000002028 Biomass Substances 0.000 title claims abstract description 78
- 238000011282 treatment Methods 0.000 title claims abstract description 63
- 238000000197 pyrolysis Methods 0.000 title abstract description 17
- 238000005336 cracking Methods 0.000 claims abstract description 85
- 238000007599 discharging Methods 0.000 claims abstract description 15
- 238000010907 mechanical stirring Methods 0.000 claims abstract description 11
- 239000000047 product Substances 0.000 claims description 42
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- 230000008676 import Effects 0.000 claims description 22
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 9
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- 239000000378 calcium silicate Substances 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
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- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/141—Feedstock
- Y02P20/145—Feedstock the feedstock being materials of biological origin
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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- Processing Of Solid Wastes (AREA)
Abstract
The utility model relates to biomass microwave pyrolysis circulating treatment equipment comprising a biomass pretreatment system (1), a microwave pyrolyzer (2), a biomass feeding system (4), a biomass discharging system (5), a shield gas control system (9), a gas phase product collecting and treating system (7), a microwave source and energy recovery system (3), a shaft-seal mechanical stirring system (6) and a liquid phase product collecting and treating system (8), wherein the microwave pyrolyzer is provided with a feed opening (2-8), a discharge opening (2-11), a shield gas inlet (2-10) and a gas phase product outlet (2-9); the biomass feeding system is communicated with the feed opening; the biomass discharging system is communicated with the discharge opening; the shield gas control system is communicated with the shield gas inlet; the gas phase product collecting and treating system is communicated with the gas phase product outlet and provided with a liquid phase product outlet; the microwave source and energy recovery system is positioned on the microwave cracking furnace; the shaft-seal mechanical stirring system is provided with a stirrer in the microwave cracking furnace; and the liquid phase product collecting and treating system is communicated with the liquid phase product outlet in the gas phase product collecting and treating system. The biomass microwave pyrolysis circulating treatment equipment has the advantages of low biomass treatment cost and high utilization ratio.
Description
Technical field:
The utility model belongs to the biomass processes in the new forms of energy industry, particularly be a kind of biomass microwave cracking circulation comprehensive treatment facility.
Background technology:
Existing biomass resource micronizing technology
mainly is divided into:
1, direct combustion technology: cooking stove combustion technology, boiler combustion technology, compact formed technology, garbage incineration technology
2, materialization switch technology: wood distillation is technological, pyrolysis oil preparation is technological, pyrolytic gasification is technological.The pyrolytic gasification technology is divided into thermal decomposition of wood gasification technology, rice husk thermal decomposition gasification technology, agricultural crop straw pyrolytic gasification technology by raw material, is divided into updraft type fixed-bed pyrolysis gasifying process, following arrow fixed-bed pyrolysis gasifying process, the fluidized bed type pyrolytic gasification technology of inhaling by process form
3, biochemical switch technology: landfill system gas and compost, ethanol production technology, small-sized household methane-generating pit technology, big-and-middle-sized anaerobic digestion techniques.Big-and-middle-sized anaerobic digestion techniques can be divided into fowl and animal excrement anaerobic digestion techniques and industrial organic waste water anaerobic digestion techniques again
4, vegetables oil technology
Because existing biomass energy technology major part is unilaterally to utilize biomass energy, exists utilization ratio low, processing cost is high, the problem that economic benefit is low.
Existing biomass cracking treatment unit mainly utilizes electrically heated or other high thermal source to biomass heating or burning processing certainly, and its apparatus structure mainly contains several kinds of stove formula, pot type, tubular types etc., and shortcoming and problem that it mainly exists are:
1, cracking treatment temp is higher, and generally more than 800 degree, and temperature is wayward in the treating processes;
2, the treatment time longer, usually the primary treatment time was at 1～2 hour;
3, as adopting electrically heated or other thermal source to carry out pyrolysis, its energy consumption is higher;
4, the easy coking of pyrolytic process, pyrolysis after product are prone to form gluey adhesion, and the residue carbon value is lower, and utilization ratio is low.
The utility model content:
The purpose of the utility model is in order to overcome above deficiency, the biomass microwave cracking circulation comprehensive treatment facility that biomass processes cost low, utilization ratio high of a kind of biomass as the circulation comprehensive utilization of renewable new forms of energy to be provided.
The purpose of the utility model realizes like this:
The utility model biomass microwave cracking circular treatment equipment comprises the biomass pretreatment system; The microwave cracking stove that opening for feed, discharge port, shielding gas import, gas-phase product outlet are arranged; Collect and treatment system with the biomass feed system of feeding inlet, the biomass discharge system that communicates with discharge port, the shielding gas system that communicates with the shielding gas import, the gas-phase product that contains the liquid product outlet that communicates with the gas-phase product outlet; Be positioned at microwave source and energy regenerative system on the microwave cracking stove; Band is arranged in the axle envelope mechanical stirring system of the whisking appliance of microwave cracking stove; Liquid product collection and treatment system and gas-phase product collect with treatment system in liquid product export and communicate, shielding gas can adopt rare gas element, like nitrogen etc.
In the above-mentioned microwave cracking stove microwave treatment chamber is arranged; Be positioned at the heat insulation tube in microwave treatment chamber, be positioned at heat insulation tube and heat insulation tube compound pottery tube feed bin, between microwave treatment chamber and heat insulation cavity is arranged; Be positioned at several microwave generators and the distributed from the side feed-in microwave cracking of the microwave coupling window stove of respective numbers on the wall of microwave treatment chamber in microwave source and the energy regenerative system; Adopt pottery tube feed bin and heat insulation tube insulation heating, prevent material, effectively adapt to the inside and outside environment temperature difference material corrosion; Improve heating efficiency, adopt cavity can guarantee that the temperature in the microwave cracking stove is constant basically.
When above-mentioned low-temperature microwave was handled, microwave comprised 2450MHz or 915MHz frequency range, microwave output power scope 5kw～500kw/2450MHz or 10kW～1000kw/915MHz.
Above-mentioned axle envelope mechanical stirring system adorns the whisking appliance main shaft of whisking appliance in addition; Sealing is contained in last sealing member, the lower seal of flange at the bottom of whisking appliance main shaft and microwave cracking body of heater chamber cover plate, the chamber, drives whisking appliance main shaft assurance material even cracked agitator motor in sealed ceramic tube feed bin through the speed governing transmission rig.
Above-mentioned biomass feed system by the vertical lift of material, material horizontal conveyer, hopper, the microwave feeder that communicates with hopper, be loaded on microwave feeder and the microwave cracking stove charging valve on the feed pipe between opening for feed and form; The biomass discharge system by be loaded on discharge pipe that discharge port communicates on discharging valve, microwave discharger and vibration discharging delivery system form, the shielding gas system by with the microwave cracking stove on shielding gas import the shielding gas inlet pipeline and the valve that are communicated with form.
Above-mentioned gas-phase product collect with treatment system in have with the microwave cracking stove on the outlet pipe that is communicated with of air outlet and the gas comprehensive treatment equipment that is contained in the valve on the outlet pipe and is communicated with outlet pipe; The first step buffering tank body that contains the import of first step splitting gas, the outlet of first step splitting gas and the outlet of first step tar is arranged in the gas comprehensive treatment equipment; The second stage buffering tank body that contains the second stage splitting gas import, the outlet of second stage splitting gas and the outlet of second stage tar that are communicated with the outlet of first step splitting gas through pipeline is arranged; Have to contain the third stage splitting gas import that is communicated with through the outlet of pipeline and second stage splitting gas and the diesel oil tourie of third stage splitting gas outlet, have to contain to export the alkali lye tourie that the splitting gas import that is communicated with and splitting gas export through pipeline and third stage splitting gas.
Above-mentioned each sub-systems reasonable disposition is in mainframe; Guarantee that whole biomass microwave cracking apparatus can be according to circular flow or the operation of single stove discontinuous cycle continuously of biomass processes amount size; The microwave cracking stove is to utilize the micro-wave energy heating technique; Adopt the heating container of specialized structure, in confined conditions, biomass are carried out low temperature pyrolyzer handle.
During the work of the utility model biomass microwave cracking circulation comprehensive treatment facility; Biomass material is sent into the biomass pretreatment system carry out sorting, fragmentation, briquetting and pre-dried; The shielding gas system adds rare gas element (like N through the shielding gas import on the microwave cracking stove in the microwave cracking stove
2), remove the air in the microwave cracking stove, pretreated material is sent to the microwave cracking stove through the biomass feed system, under the protection of inert gas condition, is heated to 150 ℃, removes remaining physics moisture, realizes the drying of biomass material; Dried biomass material is heated up; Temperature is controlled at 350 ℃ to 450 ℃; Under rare gas element (nitrogen) protective condition, biomass material being carried out the low-temperature microwave cracking handles; Produce a large amount of flammable cracking gas-phase products, (with life of urban resident rubbish is example, and the gas-phase product that cracking goes out has carbon monoxide (CO), methane (CH
4), acetylene (C
2H
2), ethene (C
2H
4), ethane (C
2H
6), propylene+propane (C
3H6+C
3H
8), normal butane (C
4H
10), Trimethylmethane (C
4H
10) carbonic acid gas (CO
2), nitrogen (N
2), oxygen (O
2) etc., be example with the agriculture and forestry organic waste material stalk, cracking goes out gas-phase product has carbon monoxide (CO), methane (CH
4), acetylene (C
2H
2) etc., be that raw material carries out cracking with different biomass, the gained gas-phase product is different), (with life of urban resident rubbish is example to solid product, and solid product is mainly the higher calcium silicate board with microporous of siliceous calcium component, and other has the part charcoal can be through simple processing and preparing activated carbon; With different biomass is that raw material carries out cracking, and the gained solid product is different); With flammable split the body gas-phase product send into gas-phase product collect with treatment system in carry out one-level cool decoking dust removal process, secondary insulation decoking dust removal process, three grades of decoking processing, depicklings processing successively; Gas-phase product after then depickling being handled carries out air separation process and forms various gaseous products and utilize respectively, the liquid product after decoking dust removal process and the secondary insulation decoking dust removal process that cools through one-level is sent into liquid product collect with treatment system and carry out condensation process, distill processing; Solid product gets into the biomass discharge system through microwave cracking furnace discharge mouth.
It is the industrial microwave heating technique of 2450MHz or 915MHz that the utility model adopts frequency.Be characterized in: microwave directly acts on heating object, and it is rapidly heated from inside to outside simultaneously, has that rapid heating, thermo-efficiency are high, thermal inertia is little, is easy to advantage such as control; Simultaneously, it also has selectivity heating, free of contamination characteristics in the heat-processed.Utilize microwave heating mechanism,, under the air tight condition of nitrogen protection, realize the abundant cracking of material through the cracking temperature of accurate control biomass material,
The utility model beneficial effect is:
1), the utility model equipment is that biomass are carried out the circulation comprehensive utilization as renewable new forms of energy, the biomass processes cost is low, utilization ratio is high.
2), the utility model adopted the microwave cracking furnace structure of novelty reasonable in design: be aided with the encloses container structure that axle envelope mechanical stirring system has formed a dynamic transport by special microwave treating chamber, pottery tube feed bin and heat insulation tube and microwave feeder, charging valve, microwave discharger, discharging valve, realized biomass material input, cracking, insulation and continuity operation of exporting whole process under airtight and safe condition condition.
3), the utility model adopts microwave source and energy regenerative system with the cross polarization mode; Divide many groups with the polygon side energy regenerative structure of multipoint system from the microwave cracking body of heater; Not only guarantee biomass material cracking rapid and uniform, and improved work-ing life and household's efficient of microwave source.
4), the utility model multiple spot feeds back accurate microwave temperature control and shielding gas system explosion-proof structure; In the microwave cracking stove, carry shielding gas (rare gas element) to guarantee in output of heating different steps gas and collection control, and effective utilization of pyrolysis residue.
5), the utility model collection and confinement of gases and treatment system, can guarantee with the utility model in biomass microwave cracking circulation comprehensive treatment facility realize the gas-phase product that produces in the biomass microwave cracking is done comprehensive treating process.
6), the utility model liquid product is collected and treatment system, can guarantee and the utility model in the realization of biomass microwave cracking circulation comprehensive treatment facility the liquid product that produces in the biomass microwave cracking is done comprehensive treating process.
7), the utility model adopts the shielding gas system of being made up of shielding gas inlet pipeline and valve; Can charge in the above-mentioned sealed structure by a small amount of protective gas of control (such as nitrogen N2 gas), thereby guarantee that no obnoxious flavour produces in whole biomass microwave cracking process.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 preprocessing substance system schematic of making a living.
Fig. 3 collects and the treatment system synoptic diagram for gas-phase product.
Fig. 4 collects and the treatment system synoptic diagram for liquid product.
Embodiment:
Referring to Fig. 1; Present embodiment biomass microwave cracking circulation comprehensive treatment facility comprises biomass pretreatment system 1, microwave cracking stove 2, microwave source and energy regenerative system 3, biomass feed system 4, biomass discharge system 5, axle envelope mechanical stirring system 6, gas-phase product collection and treatment system 7, liquid product collection and treatment system 8, shielding gas system 9, solid product scoop 12.Said system and microwave cracking stove reasonable disposition guarantee that whole biomass microwave cracking apparatus can be according to circular flow or the operation of single stove discontinuous cycle continuously of biomass processes amount size in mainframe 13.
Referring to Fig. 2, the biomass pretreatment system 1 of outsourcing is made up of separator 1-1, crusher 1-2, briquetting press 1-3, dryer 1-4.
Referring to Fig. 1, microwave cracking stove 2 adopts heat-resisting processing in special microwave treating chamber 2-1, the chamber with corrosion-resistant stainless steel to form vertical (or horizontal) closed structure by flange 2-5, pottery tube feed bin 2-6 and heat insulation tube 2-7 at the bottom of chamber cover plate 2-2, chamber top board 2-3, chamber base plate 2-4, the chamber; The separate unit volume that constitutes the charging body of heater by pottery tube feed bin 2-6 requires from 0.3 cubic metre to 5 cubic metres according to output.Opening for feed 2-8, air outlet 2-9, shielding gas import 2-10 are arranged at the body of heater top.Bottom of furnace body has discharge port 2-11, between microwave treatment chamber and heat insulation tube annular cavity 2-12 is arranged.Upper of furnace body be connected with the biomass feed system 4 that the feed-pipe 4-6 that communicates with opening for feed 2-8 is formed by the vertical lift of material 4-1, material horizontal conveyer 4-2, hopper 4-3, outsourcing microwave feeder 4-4, charging valve 4-5.Bottom of furnace body discharge port 2-11 is connected with the biomass discharge system of being made up of discharge pipe 5-1, discharging valve 5-2, outsourcing microwave discharger 5-3 and vibration discharging delivery system 5-4 6.When system moves with continuous mode; Charging valve 4-5 is in open mode with discharging valve 5-2, and biomass material realizes that with material horizontal conveyer 4-2, microwave feeder 4-4, microwave discharger 5-3 and the rotating speed of axle envelope mechanical stirring system 6 fixed output quota moves continuously through regulating the vertical lift 4-1 of material.When system moves with discontinuous manner; At first open charging valve 4-5; Close discharging valve 5-2, biomass material quantitatively gets into pottery tube feed bin 2-6 through regulating the vertical lift 4-1 of material with material horizontal conveyer 4-2, microwave feeder 4-4, when completely measuring; Close charging valve 4-5, make system get into normal cracking operation.After cracking is accomplished, open discharging valve 5-2 and realize single fixed output quota intermitten service with microwave discharger 5-3.Solid product gets into solid product scoop 12 through the biomass discharge system.
Referring to Fig. 1, axle envelope mechanical stirring system 6 is made up of with beater motor and speed governing transmission rig 6-5 whisking appliance 6-1, whisking appliance main shaft 6-2, last sealing member 6-3, lower seal 6-4.Whisking appliance 6-1 is a double-spiral structure, guarantees that material back and forth stirs in cracking process and discharging is carried, whisking appliance main shaft 6-2 and the heat-resisting and corrosion-resistant stainless steel of the same employing of agitating vane.The axle two ends are designed to water-cooled axle envelope through last sealing member 6-3 and lower seal 6-4, when assurance is airtight, prevent microwave leakage again; Axle connects and composes speed governing transmission rig motor 6-5 through chain and motor and speed reducer structure, guarantees material evenly cracking and discharging conveying in sealed ceramic tube feed bin 2-6.
Referring to Fig. 1; Microwave source and energy regenerative system 3 are with the cross polarization mode; Divide many groups with the polygon side feed-in of multipoint system from microwave cracking stove 2; Its quantity is confirmed at 2450MHz or 915Mhz frequency range, microwave output power scope 5kw～500kw/2450MHz or 10～1000kw/915MHz according to treatment capacity with dividing into groups; Every road microwave is imported in the cracking bodies of heater by microwave generator 3-1 and special-purpose microwave coupling window 3-2, guarantees coupling window 3-2 and furnace sealing and isolation.Every road microwave carries out feedback control by known PLC system 11 and through known observing and controlling temperature (transmitter, as TP etc.) system 10, and every road microwave is controlled separately, and forms with TP and to feed back, to satisfy the requirement that cracking temperature is controlled.
Referring to Fig. 1, Fig. 3, gas-phase product collect with treatment system 7 in have with the microwave cracking stove on the outlet pipe 7-2 that is communicated with of air outlet and be contained in the valve 7-1 on the outlet pipe and the gas comprehensive treatment equipment 7A of the outsourcing as shown in Figure 3 that is communicated with outlet pipe.The first step buffering tank body 7-6 that contains first step splitting gas import 7-3, the outlet 7-4 of first step splitting gas and first step tar outlet 7-5 is arranged in the gas comprehensive treatment equipment; The second stage buffering tank body 7-10 that contains the second stage splitting gas import 7-7, second stage splitting gas outlet 7-8 and the second stage tar outlet 7-9 that are communicated with the outlet of first step splitting gas through pipeline is arranged; Have to contain the third stage splitting gas import 7-11 that is communicated with through the outlet of pipeline and second stage splitting gas and the diesel oil tourie 7-13 of third stage splitting gas outlet 7-12, have to contain the splitting gas import 7-14 and the splitting gas that are communicated with the outlet of third stage splitting gas through pipeline and export 7-15 alkali lye tourie 7-16.The upper and lower baffling cooling plate of the intravital polylith of first and second grade surge tank is spaced.
Splitting gas carries out the one-level decoking dust removal process that cools in the decoking dust removal installation, one-level cools decoking dust removal process temperature greater than 50 ℃ of softening temperatures of tar.
At first splitting gas gets into first step buffering tank bodies 7-6 through first step splitting gas import 7-3, and through the baffling cooling plate, the baffling cooling plate is adjusted the runoff and the internal circulating load of water of condensation through cold feed and circulation device, guarantees the temperature control of realization system.The tar of deviating from through the collection device conveying condensation of first tar outlet and tar.For the mixture coagulated of the tar that prevents to remove and dust adheres to the workplace and the tar collecting mechanism of device, so entire operation procedures system temperature can not be lower than 50 ℃ of the softening temperatures of tar.The circulation run-off of this process condensing agent is adjusted according to the environmental monitoring temperature of system.
Carry out the splitting gas that one-level cools after the decoking dust removal process through first step buffering tank body and get into through the outlet of first step splitting gas in the second stage buffering tank body with spline structure, carry out secondary insulation decoking dust removal process.Secondary insulation decoking dust removal process temperature is greater than 50 ℃ of softening temperatures of tar, and cracking vapour environment is less than 80 ℃.Most of tar and dust have been removed from the cracking vapour that first step buffering tank body comes out; The purpose of second stage decoking is to prolong the separate and subside time of tar; Efficient recovery tar and the purity that improves cracking vapour; Owing to lower the temperature from the cracking vapour that first step buffering tank body comes out; Security principle with the operation of first step taking into account system is the same, and the operating temperature of second stage buffering tank body also can not be lower than 50 ℃.Except that the system requirements insulation was handled, the temperature of its round-robin condensing agent also can not be lower than 50 ℃ based on this operation at the corresponding levels, so second stage buffering tank body adopts 50-60 ℃ hot water as the circulating condensing agent.For stopping the secondary volatilization risk of tar, the entire environment temperature also can not be higher than 80 ℃.So the circulation run-off of this process hot water is adjusted according to the environmental monitoring temperature of system.
Splitting gas after the second buffering tank body carries out secondary decoking dust removal process carries out decoking at the diesel oil tourie and handles.
Be higher than 98% through the decoking of the dust separating cracking vapour of two-stage decoking, dust removal efficiency, but be present in the fuel gas for stopping residu(al)tar, the risk of burner is stopped up in its decarburization fouling in gas combustion process again.Adopt the diesel oil absorption method to absorb to the absorption of remaining a small amount of tar.Because absorbed dose is little, the vapour amount is little.The diesel oil absorption process adopts the pot type device, and gas blasts from the tourie bottom, top output, and diesel oil fully contacts with gas in tank base, reaches the purpose of adhering residue tar.
Cracking vapour after three grades of decokings are handled carries out depickling at the alkali lye tourie and handles.Gas-phase product after depickling is handled carries out air separation process, forms various gaseous products, and utilizes respectively.
Referring to Fig. 4; In the utility model the liquid product of outsourcing collect with treatment system 8 in have circulating water pool 8-1, water pump 8-2, pyrolysis gas condensing tower 8-3, crude tar oil absorbent pump 8-4, hold-up vessel 8-5, first feeding pump 8-6, one-level distillation plant 8-12, lightweight oil pump 8-11, water-and-oil separator 8-9, force (forcing) pump 8-1, oil product adjustment jars 8-7, light oil hold-up vessel 8-10, second feeding pump 8-13, secondary distillation equipment 8-17, fuel oil transfer pump 8-16, secondary oil plant to purify conditioning tower 8-14, oil fuel hold-up vessel 8-15, the 3rd feeding pump 8-18, three-stage distillation equipment 8-22, secondary oil fuel transfer pump 8-21, three grades of oil plants purify and nurse one's health tower 8-20, oil fuel hold-up vessel 8-19, its working process is following:
(1), liquid is sent into pyrolysis gas condensing tower in the microwave cracking treatment system, carries out condensation process, isolates splitting gas, tar and water mixture, isolated splitting gas otherwise processed after the condensation.
At first product liquid (liquid vapour mixture that the microwave cracking pyrolyzer produces and the product liquid of after gas-phase product and collection processing system implementing processing, being exported by the outlet of first step tar, the outlet of second stage tar) is sent into pyrolysis gas condensing tower 8-3; Carry out condensation process; Isolate splitting gas, tar and water mixture; Splitting gas reclaims otherwise processed through pyrolysis gas condensing tower 8-3 tops, the water in the circulating water pool 8-1 cools off through 8-2 pairs of pyrolysis gas of water pump condensing tower 8-3.
The crude tar oil that (2), will be suspended in tar and water mixture upper strata is sent into the temporary transient hold-up vessel of crude tar oil, the sewage entering Sewage treatment systems of tar and water mixture lower floor.
This process step continues in pyrolysis gas condensing tower 8-3, to carry out, and crude tar oil is sent in the hold-up vessel 8-5 through crude tar oil absorbent pump 8-4, and the sewage of lower floor gets into Sewage treatment systems.The utility model separates coked waste water just, reaches the discharging of one-level water quality standard after the method for deposition+flocculation+biochemical treatment that employing is conventional is handled.
(3), crude tar oil that step (2) is obtained carries out the one-level distillation and handles, the light oil that distills out gets into water-and-oil separator and carries out oil, water sepn, the light oil after the separation carries out preserving behind the hydrogenation, the coked waste water after the separation gets into Sewage treatment systems.
The utility model step is with the crude tar oil in the hold-up vessel 8-5; Send into one-level distillation plant 8-12 through feeding pump 8-6; The moisture light oil that distills out through distillation plant 8-12 is sent into water-and-oil separator 8-9 by lightweight oil pump 8-11 and is carried out oil, water sepn; Light oil after the separation is sent into oil product adjustment jars 8-7 by force (forcing) pump 8-8 and is carried out hydrogenation or add to remove and smell inhibitor and handle, and sends into light oil hold-up vessel 8-10 after the processing and preserves.
(4), one-level distillation handles the not overhead product of leaving over, and carries out secondary distillation and handles, and distills out the oil fuel that contains residue, with the oil fuel that contains residue in purifying the conditioning tower, add remove smell inhibitor and handle after, obtain removing the oil fuel of residue.
The not overhead product that one-level distillation plant 8-12 is left over is sent into secondary distillation equipment 8-17 through feeding pump 8-13 and is carried out second distillation; Overhead product through fuel oil transfer pump 8-16 send into the secondary oil plant purify conditioning tower 8-14 add remove smell that inhibitor handles that the back residual residue is discharged from the bottom, all the other are fuel oil product, send into 8-15 storages of oil fuel hold-up vessel.
(5), secondary distillation is handled the not overhead product of leaving over; Carrying out three-stage distillation handles; Distill out the secondary fuel oil that contains residue, the oil fuel that contains residue is added in purifying the conditioning tower except that after smelling the inhibitor processing, obtain removing the secondary fuel oil of residue.
The not overhead product that secondary distillation equipment 8-17 is left over is sent into three-stage distillation equipment 8-22 through feeding pump 8-18 and is carried out three distillations; Overhead product through secondary fuel oil transferpump 8-21 send into three grades of oil plants purify conditioning towers 8-20 add remove smell that inhibitor handles that the back residual residue is got rid of from the bottom, all the other are fuel oil product, send into 8-19 storages of oil fuel hold-up vessel.
Pyrolysis gas condensing tower adopts recirculated water as condensing agent.Reduce the technology cost, because the cooling water reusable edible reduces resource consumption, the one-level distillation temperature is 107-210 ℃, and distillation temperature is 210-300 ℃, and the three-stage distillation temperature is 330-360 ℃.
Because the proportion that the biomass microwave pyrolysis fuel oil has is about 0.7-0.8g./cm3 less than water, the characteristic that viscosity is less.So after it condenses, float on the upper strata of container naturally from cracking vapour.So oily water separation is very simple,, more than oil water surface, extracts suspended substance and can realize oily water separation as long as regularly extract coking water from the bottom of storage vessel.This system mainly collects storage tank by sealing and constitutes with corresponding transferpump.
The built-up type distillation plant
According to the chemical ingredients and the boiling range characteristic distributions of microwave cracking tar, confirm that total system is realized by built-up type low-temperature distillation technology, the secondary moisture removal of oil product and commercialization recovery and several parts of oil product allotment output constitute.
Wherein three temperature nodes of built-up type distillation Cheng Caiyong are respectively as the master control temperature of distillation procedure:
One-level distillation, it reclaims target and is: the fuel that production lightweight motor spirit oil, such oil product can directly be used for automobile etc. uses.It reclaims target and accounts for about 29% of total tar content.
Secondary distillation, its target is produced the higher also higher low-volatility fuel oil prodn of viscosity of calorific value, and its organic efficiency is to account for about 36% of total tar content.
Three-stage distillation, its target are produced the low-volatility fuel oil prodn of calorific value high heating value or are sold as Chemicals.Its organic efficiency is to account for about 35% of total tar content.
Can adopt observing and controlling temperature system 10 that highway knows and PLC system 11 together to the biomass pretreatment system 1 in the utility model biomass microwave cracking circulation comprehensive treatment unit; Microwave cracking body of heater 2; Microwave source and energy regenerative system 3; Biomass feed system 4; Biomass discharge system 5; Axle envelope mechanical stirring system 6; Gas-phase product is collected and treatment system 7; Solid product scoop 12; Liquid product is collected and treatment system 8; Multiparameters such as shielding gas system 9 are accomplished closed loop and are controlled automatically.Realize the automatic operating of whole biomass microwave cracking process.
Referring to Fig. 1, the shielding gas system is made up of shielding gas inlet pipeline that is communicated with the shielding gas import 9-1 and the valve 9-2 that is loaded on the pipeline.
The foregoing description is that the foregoing to the utility model is further described, but should this scope that is interpreted as the above-mentioned theme of the utility model only not limited to the foregoing description.All technology that realizes based on foregoing all belong to the scope of the utility model.
Claims (6)
1. biomass microwave cracking circulation comprehensive treatment facility; It is characterized in that comprising biomass pretreatment system (1); The microwave cracking stove (2) that opening for feed (2-8), discharge port (2-11), shielding gas import (2-10), gas-phase product outlet (2-9) are arranged; Biomass feed system (4) with feeding inlet; The biomass discharge system (5) that communicates with discharge port; The shielding gas system (9) that communicates with the shielding gas import, the gas-phase product that contains the liquid product outlet that communicates with the gas-phase product outlet is collected and treatment system (8), is positioned at microwave source and energy regenerative system (3) on the microwave cracking stove; Band is arranged in the axle envelope mechanical stirring system (6) of the whisking appliance of microwave cracking stove, and liquid product is collected to export with treatment system (8) and liquid product in gas-phase product collection and the treatment system and communicated.
2. biomass microwave cracking circulation comprehensive treatment facility as claimed in claim 1; It is characterized in that in the microwave cracking stove (2) microwave treatment chamber (2-1) being arranged; Be positioned at the heat insulation tube (2-7) in microwave treatment chamber; Be positioned at heat insulation tube and a heat insulation tube compound pottery feed bin (2-6); Between microwave treatment chamber and heat insulation tube cavity (2-12) is arranged, be positioned at several microwave generators (3-1) and the distributed from the side feed-in microwave cracking of microwave coupling window (3-2) stove of respective numbers on the wall of microwave treatment chamber in microwave source and the energy regenerative system.
3. biomass microwave cracking circular treatment equipment as claimed in claim 2, when it is characterized in that low-temperature microwave is handled, microwave comprises 2450MHz or 915MHz frequency range, microwave output power scope 5kw～500kw/2450MHz or 10kw～1000kw/915MHz.
4. like claim 1 or 2 or 3 described biomass microwave cracking circulation comprehensive treatment facilities; It is characterized in that adorning in addition in the axle envelope mechanical stirring system (6) the whisking appliance main shaft (6-2) of whisking appliance (6-1); Sealing is contained in last sealing member (6-3), the lower seal (6-4) on the flange (2-5) at the bottom of whisking appliance main shaft and microwave cracking body of heater chamber cover plate (2-2), the chamber, drives whisking appliance main shaft assurance material even cracked agitator motor in sealed ceramic tube feed bin (2-6) through the speed governing transmission rig.
5. like claim 1 or 2 or 3 described biomass microwave cracking circulation comprehensive treatment facilities; It is characterized in that biomass feed system (4) by the vertical lift of material (4-1), material horizontal conveyer (4-2), hopper (4-3), the microwave feeder (4-4) that communicates with hopper, be loaded on microwave feeder and the microwave cracking stove charging valve (4-5) on the feed pipe (4-6) between opening for feed and form; Biomass discharge system (5) is formed by being loaded on discharging valve (5-2) on the discharge pipe (5-1) that communicates with discharge port, microwave discharger (5-3) and vibration discharging delivery system (5-4), shielding gas system (9) by with the microwave cracking stove on shielding gas import the shielding gas inlet pipeline (9-1) and the valve (9-2) that are communicated with form.
6. like claim 1 or 2 or 3 described biomass microwave cracking circulation comprehensive treatment facilities; It is characterized in that gas-phase product is collected and treatment system (7) in have with the microwave cracking stove on the outlet pipe (7-2) that is communicated with of air outlet and the gas comprehensive treatment equipment (7-A) that is contained in the valve (7-1) on the outlet pipe and is communicated with outlet pipe; The first step buffering tank body (7-6) that contains first step splitting gas import (7-3), first step splitting gas outlet (7-4) and first step tar outlet (7-5) is arranged in the gas comprehensive treatment equipment; The second stage buffering tank body (7-10) that contains the second stage splitting gas import (7-7), second stage splitting gas outlet (7-8) and the second stage tar outlet (7-9) that are communicated with the outlet of first step splitting gas through pipeline is arranged; Have to contain the third stage splitting gas import (7-11) that is communicated with through the outlet of pipeline and second stage splitting gas and the diesel oil tourie (7-13) of third stage splitting gas outlet (7-12), have to contain to export the alkali lye tourie (7-16) that the splitting gas import (7-14) that is communicated with and splitting gas export (7-15) through pipeline and third stage splitting gas.
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| CN2011203124845U CN202193756U (en) | 2011-08-25 | 2011-08-25 | Biomass microwave pyrolysis circulating treatment equipment |
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| CN2011203124845U CN202193756U (en) | 2011-08-25 | 2011-08-25 | Biomass microwave pyrolysis circulating treatment equipment |
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| CN202193756U true CN202193756U (en) | 2012-04-18 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195501A (en) * | 2015-11-03 | 2015-12-30 | 无锡纳润特科技有限公司 | Microwave treatment method for household garbage |
| CN105778941A (en) * | 2016-04-10 | 2016-07-20 | 安徽众尚微波科技有限公司 | Microwave garbage cracking furnace |
| CN108587652A (en) * | 2017-12-11 | 2018-09-28 | 德宏森朗热解技术装备有限公司 | A kind of industrial production device being pyrolyzed biomass using HIGH-POWERED MICROWAVES |
| CN108913177A (en) * | 2018-07-12 | 2018-11-30 | 中国科学院上海高等研究院 | A kind of method and device of the biomass pyrolytic tar low temperature removing based on microwave hot spot |
| CN110000189A (en) * | 2019-04-08 | 2019-07-12 | 昆明理工大学 | A kind of fiber reinforcement organic composite material waste effectively resource utilization equipment |
| CN110339589A (en) * | 2019-07-19 | 2019-10-18 | 吉林省威斯特固废处理有限公司 | Gaseous product processing unit |
| CN111715660A (en) * | 2020-06-17 | 2020-09-29 | 中国科学院合肥物质科学研究院 | Microwave cracking heating container adopting sectional type furnace body structure |
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2011
- 2011-08-25 CN CN2011203124845U patent/CN202193756U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105195501A (en) * | 2015-11-03 | 2015-12-30 | 无锡纳润特科技有限公司 | Microwave treatment method for household garbage |
| CN105778941A (en) * | 2016-04-10 | 2016-07-20 | 安徽众尚微波科技有限公司 | Microwave garbage cracking furnace |
| CN108587652A (en) * | 2017-12-11 | 2018-09-28 | 德宏森朗热解技术装备有限公司 | A kind of industrial production device being pyrolyzed biomass using HIGH-POWERED MICROWAVES |
| CN108913177A (en) * | 2018-07-12 | 2018-11-30 | 中国科学院上海高等研究院 | A kind of method and device of the biomass pyrolytic tar low temperature removing based on microwave hot spot |
| CN110000189A (en) * | 2019-04-08 | 2019-07-12 | 昆明理工大学 | A kind of fiber reinforcement organic composite material waste effectively resource utilization equipment |
| CN110339589A (en) * | 2019-07-19 | 2019-10-18 | 吉林省威斯特固废处理有限公司 | Gaseous product processing unit |
| CN111715660A (en) * | 2020-06-17 | 2020-09-29 | 中国科学院合肥物质科学研究院 | Microwave cracking heating container adopting sectional type furnace body structure |
| CN111715660B (en) * | 2020-06-17 | 2021-09-14 | 中国科学院合肥物质科学研究院 | Microwave cracking heating container adopting sectional type furnace body structure |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200908 Address after: No.192, Huaguan Road, economic city, Longtan headquarters, Chenghua District, Chengdu, Sichuan 610000 Patentee after: CHENGDU NEOMAN-HUERAY MICROWAVE TECHNOLOGY Co.,Ltd. Address before: 610057 Sichuan Province, Chengdu City Longtan Industrial Park Business Park B-305 Chengdu Pfister Newman hueray Microwave Technology Co. Ltd. Co-patentee before: Ji Yu Patentee before: Ji Tianren Co-patentee before: Diao Yu Co-patentee before: Zhu Na |
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| CX01 | Expiry of patent term | ||
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Granted publication date: 20120418 |