CN201072128Y - Biomass gasification electric generating apparatus of gas control type thermal decomposition system - Google Patents
Biomass gasification electric generating apparatus of gas control type thermal decomposition system Download PDFInfo
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- CN201072128Y CN201072128Y CNU2007201556284U CN200720155628U CN201072128Y CN 201072128 Y CN201072128 Y CN 201072128Y CN U2007201556284 U CNU2007201556284 U CN U2007201556284U CN 200720155628 U CN200720155628 U CN 200720155628U CN 201072128 Y CN201072128 Y CN 201072128Y
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Abstract
The utility model relates to a CAPS biolobic material gasifying power generating device, which comprises a charging device used for supplying biolobic fuel, a thermal decomposing and gasifying device connected with the outlet opening of the charging device and used for the thermal decomposition and the gasification of biolobic material, an oxidizing burning device used for the full combustion of flammable synthetic gas, used for the high temperature decomposition of organics, used for transforming heat in the flue gas into superheated steam, arranged at the upper part of the thermal decomposing and gasifying device, and provided with an opening which is connected with the flue gas outlet opening of the thermal decomposing and gasifying device, and an ash removing device used for discharging ashes burnt out in the thermal decomposing and gasifying device and delivering the ashes to an appointed place, and provided with an opening which is connected with the ash outlet opening of the thermal decomposing and gasifying device. The scaling and coking produced by an equipment can be avoided through the CAPS biolobic material gasifying power generating device of the utility model, the service life of the equipment can be prolonged, and the annual operating time and the energy source utilizing efficiency of the equipment are improved.
Description
Technical field
The utility model relates to a kind of TRT, particularly relates to a kind of control gas type thermal decomposition system (Controlled Air Pyrolysis System is abbreviated as " CAPS ") living beings gasification and generation device that utilizes living beings to generate electricity as the energy.
Background technology
The development and use of biomass energy cause countries in the world government and scientist's concern already, and the research and development of foreign biomolecule mass-energy mainly concentrates on aspects such as gasification, liquefaction, pyrolysis, curing and direct burning.Expect next century, world energy sources consumption 40% from biomass energy, 70% of fuel in China's rural areas is living beings, there is abundant biomass energy resource in China, only straw annual total amount in rural area reaches more than 600,000,000 ton.Along with expanding economy, the raising of people's living standard, the reinforcement of environmental protection consciousness, reasonable, the efficient development and use to biomass energy must more and more be subject to people's attention.Therefore, scientifically utilize biomass energy, strengthen the research of its application technology, have crucial meaning.
Biomass power generation has been subjected to extensive attention in developed country, and in European countries and North Americas such as Austria, Denmark, Finland, France, Norway, Sweden, biomass energy shared ratio increase in total energy consumes is quite rapid.At present both at home and abroad the biomass power generation main technique is divided three classes: the direct combustion power generation of biomass boiler, living beings～coal mixed combustion generating and biogas elelctrochemical power generation, below introduce respectively:
1) the direct combustion power generation of biomass boiler
The stalk direct combustion technology of extensive use both at home and abroad is the direct burning boiler of vibrating-grate stoker at present, and this technology has had mature experience abroad, and goes into operation in a large number.The problem that the direct combustion stove easily exists: owing to the content of alkali metal in the stalk ash and chlorine is relative higher, therefore, flue gas (more than 450 ℃) when high temperature has higher corrosivity to superheater.In addition, the fusing point of flying dust is lower, easily produces the problem of slagging scorification.If ash content becomes solid and semifluid, in service just being difficult to removed, and will hinder the transmission of the heat from flue gas to steam in the pipeline.When serious even can stop up exhaust gases passes fully, flue gas is got lodged in the boiler.
2) living beings～coal mixed combustion generating
Recirculating fluidized bed is a kind of novel environment-protection boiler, because it has taked material circulation in the stove, adaptability to fuel is strong, it can use spoil, raw coal, the coal slime of low heat value 2000～7000kcal/kg and wash middle coal etc., can also use the lower sugared slag of calorific value, wooden clouds, various biomass straw and various rubbish etc.Though this stove has the characteristic that uses various fuel, in the process of burning, different effects is arranged but, more or less boiler all there is certain influence.Mix and burn sugared slag, wood chip, various biomass straw and various rubbish, need recomputate air quantity etc., and stable fuel supply, relatively-stationary mixed-fuel burning proportion need be arranged.Circulating fluidized bed boiler is to the extremely well-adapted of demanded fuel, and which kind of fuel that no matter burns at first will be adjusted economy, then calculates the burning amount of mixing, carries out staff training, points for attention, operation adjustment etc. more at last.
3) biogas elelctrochemical power generation
At present the biogas elelctrochemical power generation technology that adopts in the world has control gas type thermal decomposition (CAPS) the biogas elelctrochemical power generation technology that living beings Integrated gasification combined cycle (B/IGCC) and Canadian Rui Wei group develop.From the angle of pure technology, living beings IGCC technology can improve the gross efficiency of biogas elelctrochemical power generation widely.Have a lot of advanced countries to carry out this respect research at present in the world, but because tar treatment technology and gas turbine renovation technique are very difficult, still have a lot of problems, as system's prematurity, cost is also very high, has limited its application.
In addition, because agricultural crop straw contains elements such as potassium, chlorine, sulphur, silicon, the direct combustion technology of traditional stalk is owing to be that agricultural crop straw is under the condition that high temperature directly burns, potassium, chlorine, sulphur fugitive constituent are easy to condense into tiny stickiness particle, silicon and potassium also are easy to fusing coking in the time of 800 ℃, therefore be easy in the tube wall surface fouling, and cause lime-ash and flying dust coking, and cause the mineral matter accumulation in the condition of high temperature.Refractory brick that lime-ash and flying dust coking meeting corrosion are general and burner hearth, superheater and the tube bank of economizer metal; cigarette airduct mouth and jet are stopped up in the coking meeting; cause the regular shutdown of equipment needs, and bring problems such as energy conversion efficiency reduction, the corrosion of equipment list layer material.
Because the defective that above-mentioned prior biological matter TRT exists, the design people is based on being engaged in this type of product design manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, in the hope of founding a kind of control gas type thermal decomposition (ControlledAir Pyrolysis System of system of new structure, be abbreviated as " CAPS ") the living beings gasification and generation device, can improve general prior biological matter TRT, make it have more practicality.Through constantly research, design, and, create the utility model that has practical value finally through after studying sample and improvement repeatedly.
Summary of the invention
The purpose of this utility model is, overcome the defective that prior biological matter TRT exists, and provide a kind of (the Controlled Air Pyrolysis System of control gas type thermal decomposition system of new structure, be abbreviated as " CAPS ") the living beings gasification and generation device, technical problem to be solved is to make it avoid producing fouling and coking, prolongs service life of equipment, raising equipment running time in year and efficiency of energy utilization, the maintenance of minimizing equipment and cost of use, thus be suitable for practicality more.
The purpose of this utility model and to solve its technical problem be to adopt following technical scheme to realize.According to a kind of control gas type thermal decomposition system (Controlled Air PyrolysisSystem is abbreviated as " CAPS ") the living beings gasification and generation device that the utility model proposes, it comprises at least: feeding device is used to supply biomass fuel; The thermal decomposition gasification installation, its import is connected with the outlet of above-mentioned feeding device, be used for above-mentioned biomass fuel is carried out the thermal decomposition gasification, the thermal decomposition gasification reactor apparatus further comprises: dry section, its import is connected with the outlet of above-mentioned feeding device, and the biomass fuel of being sent into by feeding device is carried out drying; Thermal decomposition gasification reaction district, its import is connected with the outlet of above-mentioned dry section; The solid carbon combustion zone, its import is connected with the outlet in above-mentioned thermal decomposition gasification reaction district, and is arranged at the lower end in above-mentioned thermal decomposition gasification reaction district; The oxidizing fire device, be used for the completing combustion of flammable forming gas, organic matter is carried out pyrolytic, the heat in the flue gas is changed into superheated steam, the oxidizing fire device is arranged at the top of thermal decomposition gasification installation, and its import is connected with the outlet of thermal decomposition gasification reactor apparatus; Ash handling equipment is used for the lime-ash of thermal decomposition gasification installation after-flame is discharged, and lime-ash is delivered to the place of appointment, and the import of ash handling equipment is connected with the outlet of thermal decomposition gasification installation.
The purpose of this utility model and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, wherein said feeding device further comprises: bale buster structure, loose mechanism, storing mechanism and feeding mechanism, be linked in sequence successively between each mechanism, the outlet of described feeding mechanism is connected with the import of thermal decomposition gasification installation.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, wherein said oxidizing fire device further comprises: the turbulent mixture district is arranged at the junction of oxidizing fire device and thermal decomposition gasification installation; Start-up burner is arranged in the above-mentioned turbulent mixture district; Fin panel casing is arranged at around the inwall of oxidizing fire device, and the one end is connected in the top of oxidizing fire device, and the other end is connected in the bottom of oxidizing fire device; Multistage wind pushing mechanism is arranged at the outer wall of oxidizing fire device, is used for air is injected into flammable gaseous mixture in the oxidizing fire device step by step.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, wherein said automatic ash handling equipment further comprises: ash discharge mechanism, be used for discharging the lime-ash of thermal decomposition gasification installation after-flame, it is connected with the solid carbon combustion zone of above-mentioned thermal decomposition gasification reactor apparatus; Sealing mechanism is used for the sealing of ash handling equipment at the thermal decomposition gasification installation of ash discharge process, guarantees carrying out continuously of thermal decomposition gasification reaction, and it is arranged at the junction of thermal decomposition gasification installation and ash handling equipment; The lime-ash cooling body, the high-temperature ash that is used for the discharge of thermal decomposition gasification installation is progressively lowered the temperature, and its import is connected with the outlet of described thermal decomposition gasification installation; Ash exhauster, its import is connected with the outlet of above-mentioned lime-ash cooling body.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, it also comprises a Crust blocks pipe bundle, is used to discharge the flue gas that the completing combustion of oxidizing fire device is produced, its import is connected with the outlet of oxidizing fire device.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, it also comprises a superheated steam generation device, described superheated steam generation device further comprises: superheater, saturated vapor is heated as superheated steam with uniform temperature and pressure, its gas approach is connected with the outlet of above-mentioned Crust blocks pipe bundle, and its steam inlet is connected with the steam (vapor) outlet of drum; Sectionalized economizer is used to improve feed temperature and reduces flue-gas temperature, and its gas approach is connected with the exhanst gas outlet of superheater, and its feed-water inlet is connected with the outlet of water system; Drum is used for the hinge that is connected of the heating of heat exchange working medium, evaporation and overheated three processes, and its feed-water inlet is connected to water out with economizer.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, it also comprises a flue gas system, described flue gas system further comprises sack cleaner, the import of sack cleaner is connected with the exhanst gas outlet of economizer, the flue gas that described economizer is discharged through sack cleaner, is discharged by chimney under the suction of air-introduced machine.
Aforesaid control gas type thermal decomposition system biological matter gasification and generation device, it also comprises a Turbo-generator Set, described Turbo-generator Set further comprises: steam turbine, generator, transformer; The steam inlet of described steam turbine is connected with the superheater steam (vapor) outlet, is sent to the Steam Turbine Driven generator for electricity generation by the superheated steam that superheater produced.
By technique scheme, the utility model control gas type thermal decomposition system (Controlled AirPyrolysis System is abbreviated as " CAPS ") living beings gasification and generation device has following advantage at least:
1, the thermal decomposition gasification system is avoided the moving component under the high-temperature situation, the frame for movement of living beings feeding device and ash handling equipment is easy to be reliable, therefore significantly reduced the possible breakdown point in the equipment running process, the thermal decomposition equipment for gasification is durable in use, safe and reliable.
2, the CAPS living beings gasification and generation device characteristics that are easy to gasify according to biomass straw, the energy of living beings discharged and conversion is divided into two stages and finishes: the phase I is lacking under the conditions of air, agricultural crop straw is heated in the thermal decomposition gasification installation and makes organic matter decomposition, change into flammable forming gas, and control the gasification rate of agricultural crop straw by control thermal decomposition gasification reaction temperature; Second stage is finished the burning and the power conversion of fuel gas in the oxidizing fire device, and the synthesis gas burning of passing through multistage wind pushing mechanism realization multilevel hierarchy is controlled, control burner hearth combustion reaction temperature is lower than the melt temperature of lime-ash and flying dust, thereby avoid producing fouling and coking, prolong service life of equipment, raising equipment running time in year and efficiency of energy utilization, the maintenance and the cost of use of minimizing equipment.
In sum, the utlity model has above-mentioned plurality of advantages and practical value, no matter it all has bigger improvement on apparatus structure or function, obvious improvement is arranged technically, and produced handy and practical effect, and have the outstanding effect of enhancement than prior biological matter TRT, thus be suitable for practicality more, and have the extensive value of industry, really be a new and innovative, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solutions of the utility model, for can clearer understanding technological means of the present utility model, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present utility model can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation according to the CAPS living beings gasification and generation device of the utility model embodiment;
Fig. 2 is the structural representation according to the feeding device of the utility model embodiment;
Fig. 3 is the structural representation according to the thermal decomposition gasification installation of the utility model embodiment;
Fig. 4 is the structural representation according to the oxidizing fire device of the utility model embodiment;
Fig. 5 is the structural representation according to the ash handling equipment of the utility model embodiment.
10: feeding device 11: the bale buster structure
12: loose mechanism 13: storing mechanism
14: feeding mechanism 20: the thermal decomposition gasification installation
21: dry section 22: thermal decomposition gasification reaction district
23: solid carbon combustion zone 30: the oxidizing fire device
31: turbulent mixture district 32: start-up burner
33: fin panel casing 34: multistage wind pushing mechanism
40: ash handling equipment 41: ash discharge mechanism
42: primary seal mechanism 43: secondary seal mechanism
44: lime-ash cooling body 45: ash exhauster
46: storage ash bucket 47: bulk cement truck
50: superheated steam generation device 51: Crust blocks pipe bundle
52: economizer 53: drum
54: superheater 60: Turbo-generator Set
61: steam turbine 62: generator
63: transformer 70: water system
71: chemical water device 72: condenser
73: oxygen-eliminating device 80: flue gas system
81: sack cleaner 82: air-introduced machine
83: chimney 90: air system
91: air blast 92: fire is air system down
100: hydraulic system
The specific embodiment
For further setting forth the utility model is to reach technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, to according to its specific embodiment of CAPS living beings gasification and generation device, structure, feature and the effect thereof that the utility model proposes, describe in detail as after.
See also shown in Figure 1ly, Fig. 1 is the structural representation according to the CAPS living beings gasification and generation device of the utility model embodiment.The utility model CAPS living beings gasification and generation device mainly comprises as lower device: feeding device 10, thermal decomposition gasification installation 20, oxidizing fire device 30, ash handling equipment 40, superheated steam generation device 50, Turbo-generator Set 60, water system 70, flue gas system 80, air system 90, hydraulic system 100.
Wherein, agricultural crop straw is sent to feeding device 10 by the storeroom, the outlet of feeding device 10 connects the import of thermal decomposition gasification installation 20, agricultural crop straw carries out the thermal decomposition gasification reaction in thermal decomposition gasification installation 20, power is provided for respectively feeding device 10 and thermal decomposition gasification installation 20 by hydraulic system 100.The outlet of thermal decomposition gasification installation 20 also is connected with ash handling equipment 40, and the residue of biomass combustion is discharged in the ash handling equipment 40 after becoming lime-ash.Oxidizing fire device 30 is located immediately on the thermal decomposition gasification installation 20, and its import is connected with the exhanst gas outlet of thermal decomposition gasification installation 20.Air system 90 is carried air by an air blast 91, air system 92 under the fire that a part is transported to directly with thermal decomposition gasification installation 20 is connected, a part is transported in the oxidizing fire device 30, makes that forming gas and the air in the oxidizing fire device 30 burns fully.The high-temperature flue gas that is come out by oxidizing fire device 30 passes through superheated steam generation device 50 with the heat absorption in the flue gas, produce superheated steam, be sent to Turbo-generator Set 60 generatings, the steam turbine 61 of rotation drives generator 62 rotations and sends electric power, is sent to electrical network after boosting through transformer 63.
Wherein, superheated steam generation device 50 comprises Crust blocks pipe bundle 51, economizer 52 (economizer use be sectionalized economizer), drum 53 and superheater 54; The import of Crust blocks pipe bundle 51 connects the outlet of oxidizing fire device 30, the product of oxidizing fire device is a high-temperature flue gas, high-temperature flue gas further is sent to the superheater 54 and the economizer 52 of boiler by Crust blocks pipe bundle 51, through sack cleaner 81, the back is discharged in the atmosphere by chimney the flue gas that economizer 52 is discharged under the suction of air-introduced machine 82.
Wherein, water system 70 comprises chemical water device 71, condenser 72, oxygen-eliminating device 73; The import of condenser 72 connects steam turbine 61 outlets, and chemical water device 71 passes through oxygen-eliminating device 73 jointly with the water outlet of condenser 72, in the sectionalized economizer 52 that reinjects afterwards.Wherein, drum 53 is connection hinges of the heating of heat exchange working medium, evaporation, overheated three processes, is the assurance of keeping the normal water circulation of boiler.There are water separator and continuous blow off equipment (not shown) in drum 53 inside, guarantee the Boiler Steam quality.In running, always keep certain water yield in the drum 53, kept certain heat storage capacity, relaxed the pace of change of vapour pressure.Boiler feedwater is sent into drum 53 through sectionalized economizer 52 heating backs with saturation water or near the state of saturation water; The saturation water of process water separator flashes to saturated vapor through saturation water after the heat exchange of fin panel casing 33 and gets back to drum 53 from the bottom collection case (not shown) of drum 53 through down-comers arrival oxidizing fire chambers 30; Saturated vapor in the drum 53 becomes superheated steam through the heat transfer process of superheater 54 again.
See also shown in Figure 2ly, Fig. 2 is the structural representation according to the feeding device of the utility model embodiment.Feeding device 10 comprises biomass fuel bale buster structure 11, loose mechanism 12, multipole storing mechanism 13 and feeding mechanism 14, guarantees the normal stable supply of biomass fuel.Wherein, biomass fuel is before the connecting gear (not shown) is delivered to bale buster structure 11, after 11 pairs of biomass fuels of bale buster structure are separated bundle, biomass fuel is pushed the loose mechanism 12 of biomass fuel, and in the low-speed motion mode by loose extruding, what guarantee biomass fuel is in loose state before carrying out the thermal decomposition gasification reaction.Afterwards, biomass fuel enters classification storing mechanism 13, under the multistage linking service condition, avoids the bridge formation and the obstruction of bulk material.Feeding device 10 also is provided with the fluid pressure type feeding mechanism 14 of biomass fuel in addition, according to the reaction process in the thermal decomposition gasification installation 20, guarantees biomass fuel is sent into thermal decomposition gasification installation 20 smoothly.
See also shown in Figure 3ly, Fig. 3 is the structural representation according to the thermal decomposition gasification installation of the utility model embodiment.Wherein, thermal decomposition gasification installation 20 comprises fuel dry section 21, thermal decomposition gasification reaction district 22 and the solid carbon combustion zone 23 (being called the lime-ash burnt zone again) that is linked in sequence successively.Thermal decomposition gasification reactor apparatus 22 is worked under anoxic and micro-vacuum state, and the heat that is discharged in the thermal decomposition process can be controlled it by adjusting thermal decomposition gasification reactor apparatus 22 wind supply quantities, makes it be less than the heat that completing combustion discharges.Under the stoichiometric condition in this Asia, crop straw fuel is dried, heating and pyrolytic, discharges aqueous vapor and volatile component.Nondecomposable combustible constituent burns in thermal decomposition gasification reactor chamber end in the stalk fuel, provides heat until becoming ashes for the thermal decomposition gasification reactor chamber simultaneously.
Wherein, after biomass fuel is sent into thermal decomposition gasification installation 20 by feeding device 10, with the evaporation of solid material surface moisture, be beneficial to carrying out of its thermal decomposition gasification at the solid biomass fuel dry section 21 of thermal decomposition gasification installation 20.
Thermal decomposition gasification installation 20 also is provided with thermal decomposition gasification reaction district 22, the biomass fuel of drying is pushed into fuel heat and decomposes gasification reaction district 22, under the temperature of regulation, the solid biomass molecule resolves into synthesis gas such as carbon monoxide, hydrogen, carbon dioxide, methane and gaseous state high-carbon hydrogen compound in thermal decomposition gasification reaction district.
Thermal decomposition gasification installation 20 is provided with solid carbon combustion zone 23, the remaining solid material of finishing the thermal decomposition gasification in thermal decomposition gasification reaction district 22 is admitted to solid carbon combustion zone 23, can not decompose solid carbon completing combustion in solid carbon combustion zone 23 of gasification in the solid biomass fuel, send energy.
Thermal decomposition gasification installation 20 has been avoided lime-ash fusion coking in the thermal decomposition gasification by the effective control to reaction temperature in the thermal decomposition gasification.
The condition of work of thermal decomposition gasification installation 20: the thermal decomposition gasification installation is in the anoxic reducing condition, and the air capacity that enters gasification installation only satisfies the energy demand of thermal decomposition process.In the thermal decomposition gasification installation, there is not violent stirring, be a kind of static relatively working environment, reaction temperature is about 550～750 ℃ usually.
The product that thermal decomposition gasification installation 20 forms: thermal decomposition gasification installation 20 main two big products, the flammable synthetic flue gas that promptly produces in the thermal decomposition process and the inertia lime-ash that burn of producing.Synthetic flue gas is sent to oxidizing fire device 30 internal combustion, and the inertia lime-ash that burns reclaims after discharging thermal decomposition gasification installation 20 through ash handling equipment 40 and uses, as being sold to peasant household as farm manure.
See also shown in Figure 4ly, Fig. 4 is the structural representation according to the oxidizing fire device of the utility model embodiment.Oxidizing fire device 30 is located immediately on the thermal decomposition gasification installation 20 and by turbulent mixture district 31, start-up burner 32, fin panel casing 33, multistage wind pushing mechanism 34 and Crust blocks pipe bundle 51 etc. to be formed.Wherein, the fuel gas that is discharged from thermal decomposition gasification reactor apparatus 20 carries out entering after the abundant action of turbulent flow burner hearth of oxidizing fire device 30 by turbulent mixture district 21.
Oxidizing fire device 30 is provided with start-up burner 32, start-up burner 32 is positioned at turbulent mixture district 31, and start-up burner 32 is used for the ignition start of system, if heat energy is under-supply in the device, start-up burner 32 also will be lighted, with the balance of holdout device energy.
Be provided with fin panel casing 33 around the inwall of oxidizing fire device 30, it is a boiler pressure part part, by air system 90 combustion air is injected into step by step from the flammable gaseous mixture that thermal decomposition gasification installation 20 comes out.The air quantity increase is used to control degree of oxidation and energy release step by step, and in the middle of hot-air mouth, the energy of release will be absorbed by the recirculated waters in the membrane type water-cooling wall 33.The spike flue-gas temperature will be controlled in below 900 ℃, and dirt flying dust is softening and boiler tube wall minimizes, and the hot blast of q.s will be added to afterbody and guarantee completing combustion.Additional combustion air makes oxidation reaction process be able to fully, realize up hill and dale.The air outlet perforate of multipole wind pushing mechanism 34 is connected with air system 90, and position and size according to the burner hearth air-supply on fin panel casing 33 provide air outlet and connector correspondingly, as shut-off valve, and expansion joint etc.30 outlets of oxidizing fire device are provided with Crust blocks pipe bundle 51, the flue gas that completing combustion produces from oxidizing fire device 30 is discharged burner hearth and is entered superheater 54 through boiler Crust blocks pipe bundle 51, after flue gas after the process Crust blocks pipe bundle heat exchange cooling entered into high temperature superheater and low temperature superheater, flue-gas temperature reduces the assurance flying dust the coking arch formation can not occur on superheater.
The condition of work of oxidizing fire device 30: oxidizing fire device 30 is in oxygen-enriched environment, and the air capacity that enters the combustion chamber is greater than realizing the needed air capacity of synthesis gas completing combustion, to realize the classification completing combustion of all synthesis gas.Be in violent agitated conditions at the oxidizing fire indoor air flow, to realize that flammable forming gas is quick with air and fully to mix.The indoor combustion reaction temperature of oxidizing fire is also higher, and according to the characteristic of handled living beings, the reaction temperature of combustion chamber is controlled at 800～1100 ℃ usually.
The target that realize the oxidizing fire chamber: the completing combustion of flammable forming gas must be realized in the oxidizing fire chamber under the temperature conditions of regulation, simultaneously organic matter is carried out pyrolytic.
The product that the oxidizing fire chamber forms: the product of oxidizing fire chamber is a high-temperature flue gas, high-temperature flue gas further is sent to the superheater 54 and the economizer 52 of boiler by crust block pipe tube bank 51, by heat exchange mechanism with the heat absorption in the flue gas, produce superheated steam, be sent to steam turbine 61 and drive generator 62 generatings, perhaps be used to supply steam, hot-water supply, heating, air-conditioning etc.
See also shown in Figure 5ly, Fig. 5 is the structural representation according to the ash handling equipment of the embodiment of the invention.Ash handling equipment 40 is made up of ash discharge mechanism 41, primary seal mechanism 42, lime-ash cooling body 44, secondary seal mechanism 43 and ash exhauster 45 etc.Ash discharge mechanism 41 is connected with the solid carbon combustion zone 23 of thermal decomposition gasification installation 20, by the hydraulic feed device (not shown) lime-ash that thermal decomposition gasification installation 20 burns is discharged in burner hearth.Primary seal mechanism 42 adopts the hydraulic overturn sealing device, guarantees the sealing and the anaerobic condition of thermal decomposition gasification installation 20 in the ash discharge process of ash handling equipment 40, guarantees carrying out continuously of thermal decomposition gasification.High-temperature ash progressively cooling after discharging thermal decomposition gasification installation 20 that lime-ash cooling body 44 is discharged thermal decomposition gasification installation 20.Secondary seal mechanism 43 adopts Pneumatic reverse turning bed air-lock device, guarantees that air can not enter thermal decomposition gasification installation 20 to realize carrying out continuously normally of biomass gasification reaction by ash handling equipment 40.Ash exhauster 45 is discharged the lime-ash that has cooled off by storage ash bucket 46, and process bulk cement truck 47 is so that be transported to the place of appointment.
CAPS living beings gasification and generation device is divided into thermal decomposition gasification and two processes of completing combustion with the stalk heat energy utilization, the former is thermal cracking under the anoxia condition and imperfect combustion generation intermediate product, it is synthesis gas, then, synthesis gas mixes with air and realizes that completing combustion produces heat energy and generates electricity.Synthesis gas and burning thereof enlarge markedly the capacity usage ratio of biomass material, and it is complete, clean to burn, and combusting firepower is strong, quick heating, have improved the utilization ratio of living beings.
The above, it only is preferred embodiment of the present utility model, be not that the utility model is done any pro forma restriction, though the utility model discloses as above with preferred embodiment, yet be not in order to limit the utility model, any those skilled in the art are not in breaking away from the technical solutions of the utility model scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solutions of the utility model, according to technical spirit of the present utility model to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solutions of the utility model.
Claims (8)
1. control gas type thermal decomposition system biological matter gasification and generation device for one kind, it is characterized in that it comprises at least:
Feeding device is used to supply biomass fuel;
The thermal decomposition gasification installation, its import is connected with the outlet of above-mentioned feeding device, is used for above-mentioned biomass fuel is carried out the thermal decomposition gasification, and the thermal decomposition gasification reactor apparatus further comprises:
Dry section, its import is connected with the outlet of above-mentioned feeding device, and the biomass fuel of being sent into by feeding device is carried out drying;
Thermal decomposition gasification reaction district, its import is connected with the outlet of above-mentioned dry section;
The solid carbon combustion zone, its import is connected with the outlet in above-mentioned thermal decomposition gasification reaction district, and is arranged at the lower end in above-mentioned thermal decomposition gasification reaction district;
The oxidizing fire device, be used for the completing combustion of flammable forming gas, organic matter is carried out pyrolytic, the heat in the flue gas is changed into superheated steam, the oxidizing fire device is arranged at the top of thermal decomposition gasification installation, and its import is connected with the outlet of thermal decomposition gasification reactor apparatus;
Ash handling equipment is used for the lime-ash of thermal decomposition gasification installation after-flame is discharged, and lime-ash is delivered to the place of appointment, and the import of ash handling equipment is connected with the outlet of thermal decomposition gasification installation.
2. control gas type thermal decomposition system biological matter gasification and generation device according to claim 1, it is characterized in that described feeding device further comprises: bale buster structure, loose mechanism, storing mechanism and feeding mechanism, be linked in sequence successively between each mechanism, the outlet of described feeding mechanism is connected with the import of thermal decomposition gasification installation.
3. control gas type thermal decomposition system biological matter gasification and generation device according to claim 1 is characterized in that described oxidizing fire device further comprises:
The turbulent mixture district is arranged at the junction of oxidizing fire device and thermal decomposition gasification installation;
Start-up burner is arranged in the above-mentioned turbulent mixture district;
Fin panel casing is arranged at around the inwall of oxidizing fire device, and the one end is connected in the top of oxidizing fire device, and the other end is connected in the bottom of oxidizing fire device;
Multistage wind pushing mechanism is arranged at the outer wall of oxidizing fire device, is used for air is injected into flammable gaseous mixture in the oxidizing fire device step by step.
4. control gas type thermal decomposition system biological matter gasification and generation device according to claim 1 is characterized in that described automatic ash handling equipment further comprises:
Ash discharge mechanism is used for discharging the lime-ash of thermal decomposition gasification installation after-flame, and it is connected with the solid carbon combustion zone of above-mentioned thermal decomposition gasification reactor apparatus;
Sealing mechanism is used for the sealing of ash handling equipment at the thermal decomposition gasification installation of ash discharge process, guarantees carrying out continuously of thermal decomposition gasification reaction, and it is arranged at the junction of thermal decomposition gasification installation and ash handling equipment;
The lime-ash cooling body, the high-temperature ash that is used for the discharge of thermal decomposition gasification installation is progressively lowered the temperature, and its import is connected with the outlet of described thermal decomposition gasification installation;
Ash exhauster, its import is connected with the outlet of above-mentioned lime-ash cooling body.
5. control gas type thermal decomposition system biological matter gasification and generation device according to claim 3 is characterized in that it also comprises a Crust blocks pipe bundle, is used to discharge the flue gas that the completing combustion of oxidizing fire device is produced, and its import is connected with the outlet of oxidizing fire device.
6. control gas type thermal decomposition system biological matter gasification and generation device according to claim 5 is characterized in that it also comprises a superheated steam generation device, and described superheated steam generation device further comprises:
Superheater is heated as the superheated steam with uniform temperature and pressure with saturated vapor, and its import is connected with the outlet of above-mentioned Crust blocks pipe bundle;
Economizer is used to improve feed temperature and reduces flue-gas temperature, and its import is connected with the outlet of oxidizing fire device;
Drum is used for the hinge that is connected of the heating of heat exchange working medium, evaporation and overheated three processes, and its import is connected with the outlet of superheater.
7. control gas type thermal decomposition system biological matter gasification and generation device according to claim 6, it is characterized in that it also comprises a flue gas system, described flue gas system further comprises sack cleaner, the import of sack cleaner is connected with the outlet of economizer, the flue gas that described economizer is discharged through sack cleaner, is discharged by chimney under the suction of air-introduced machine.
8. control gas type thermal decomposition system biological matter gasification and generation device according to claim 6 is characterized in that it also comprises a Turbo-generator Set, and described Turbo-generator Set further comprises: steam turbine, generator, transformer; Described steam turbine one end is connected with superheater, is sent to the Steam Turbine Driven generator for electricity generation by the superheated steam that superheater produced.
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| CNU2007201556284U CN201072128Y (en) | 2007-07-19 | 2007-07-19 | Biomass gasification electric generating apparatus of gas control type thermal decomposition system |
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| CN102767823A (en) * | 2012-08-07 | 2012-11-07 | 上海应用技术学院 | Smokeless combustion system for zinc melting furnace |
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| CN102767823A (en) * | 2012-08-07 | 2012-11-07 | 上海应用技术学院 | Smokeless combustion system for zinc melting furnace |
| CN103712216A (en) * | 2013-12-26 | 2014-04-09 | 四川四通欧美环境工程有限公司 | Sludge and waste united incineration thermoelectric processing system and method |
| CN103712216B (en) * | 2013-12-26 | 2016-04-06 | 四川四通欧美环境工程有限公司 | Mud and rubbish combine incineration thermoelectric treatment system and processing method |
| CN103940210A (en) * | 2014-04-22 | 2014-07-23 | 双鸭山市华邦锅炉制造有限公司 | Honeycomb briquette tunnel kiln type dryer |
| CN103940210B (en) * | 2014-04-22 | 2016-07-06 | 双鸭山市华邦锅炉制造有限公司 | Honeycomb briquette tunnel-kiln type dehydrator |
| CN104449875A (en) * | 2014-12-09 | 2015-03-25 | 中国东方电气集团有限公司 | Plasma auxiliary-heating melting and gasifying reactor |
| CN104449875B (en) * | 2014-12-09 | 2017-06-06 | 中国东方电气集团有限公司 | A kind of plasma asistance heats fusion and gasification reactor |
| CN105481037A (en) * | 2016-01-11 | 2016-04-13 | 赖正平 | Substance thermal decomposition and sub-treatment device |
| CN107490008A (en) * | 2017-09-12 | 2017-12-19 | 许志英 | A kind of domestic garbage pyrolysis gasification process of scale |
| CN110925035A (en) * | 2019-12-10 | 2020-03-27 | 德耀新能源科技(上海)有限公司 | Ecological system of renewable energy |
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