CN109666513A - A kind of gasification of biomass and waste incineration coupled system - Google Patents
A kind of gasification of biomass and waste incineration coupled system Download PDFInfo
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- CN109666513A CN109666513A CN201710958501.4A CN201710958501A CN109666513A CN 109666513 A CN109666513 A CN 109666513A CN 201710958501 A CN201710958501 A CN 201710958501A CN 109666513 A CN109666513 A CN 109666513A
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- waste
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- 238000002309 gasification Methods 0.000 title claims abstract description 56
- 239000002028 Biomass Substances 0.000 title claims abstract description 52
- 238000004056 waste incineration Methods 0.000 title claims abstract description 33
- 239000007789 gas Substances 0.000 claims abstract description 44
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 33
- 239000002737 fuel gas Substances 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 27
- 239000002699 waste material Substances 0.000 claims abstract description 27
- 238000000746 purification Methods 0.000 claims abstract description 10
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 239000002918 waste heat Substances 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 3
- 239000000567 combustion gas Substances 0.000 claims description 7
- 239000003245 coal Substances 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 description 13
- 238000002485 combustion reaction Methods 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 9
- 239000007787 solid Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 6
- 238000010168 coupling process Methods 0.000 description 6
- 238000005859 coupling reaction Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 4
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000010248 power generation Methods 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 229910002091 carbon monoxide Inorganic materials 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 239000010902 straw Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000006057 reforming reaction Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010903 husk Substances 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010742 number 1 fuel oil Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/58—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels combined with pre-distillation of the fuel
- C10J3/60—Processes
- C10J3/64—Processes with decomposition of the distillation products
- C10J3/66—Processes with decomposition of the distillation products by introducing them into the gasification zone
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1606—Combustion processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/70—Blending
- F23G2201/702—Blending with other waste
-
- 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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a kind of gasification of biomass and waste incineration coupled system, including biomass gasification equipment, gas storage equipment, activated carbon modified equipment and garbage incinerating system；Biomass gasification equipment includes gasification furnace, the charging gear to gasification furnace transferring raw material and the deslagging device from gasification furnace slag discharge；Gas storage equipment includes storage tank；Garbage incinerating system includes waste incinerator, exhaust gas purification system and waste heat boiler；It is connected between the storage tank and the gasification furnace by the first fuel gas conduit, economizer is installed in the storage tank, the economizer is connected by pipeline with waste heat boiler；At least one gas burner is installed in waste incinerator, the storage tank is connected by the second fuel gas conduit with gas burner；The deslagging device is connected with activated carbon modified equipment, and activated carbon modified equipment is connected with the exhaust gas purification system.
Description
Technical field
The present invention relates to a kind of gasification of biomass and waste incineration coupled system.
Background technique
Gasification of biomass is under certain thermodynamic condition, by means of gasifying medium (air, oxygen, vapor etc.)
Effect makes the high polymer of biomass that pyrolysis, oxidation, reduction reforming reaction occur, is eventually converted into carbon monoxide, hydrogen and low point
The process of the fuel gas such as sub- hydro carbons.Solid-state biomass raw material is converted into easy to use and clean Gao Pin by gasification of biomass
Position fuel gas is a kind of major technique that biomass energy high-grade utilizes for generating electricity, supplying, heat supply etc..
National Development and Reform Commission, the Ministry of Finance, the Ministry of Agriculture, Environmental Protection Department joint on November 16th, 2015 publication " about into
One step is accelerated to promote agricultural crop straw comprehensive utilization and prohibits the notice for burning work ": it " improves stalk and stores up system, be pushed further into
Stalk fertilizer, fodder, turning sludge into fuel, base-material and raw materialization utilize, and accelerate to promote stalk comprehensive utilization industrialization, increase straw
Stalk prohibits burning dynamics, further implements local government's responsibility, and continuous improvement, which is prohibited to burn, supervises horizontal, promotion increasing peasant income, enhancement of environment
And agricultural sustainable development." in the case where national departments concerned and various regions government are actively promoted and are supported, stalk comprehensive utilization obtains
Significant achievement, a collection of artificial board of straw of various regions investment construction, stalk direct combustion power generation, stalk marsh gas, gasifying stalk, stalk at
Type fuel etc. comprehensively utilizes project.
House refuse average daily yield in China's builds garbage incinerating power plant 100 ~ 800 ton/days of Small Urban, due to
Its rubbish total amount is small, causes the treatment facility of unit rubbish to be invested, operation cost increase, and economy is not strong.It is examined from technical standpoint
Consider, China Small Urban MSW heating value (generally in 3.5 ~ 5.0MJ/kg) is not universal high, in the lesser feelings of waste incineration amount
Under condition, combustion stability cannot be ensured, thermic load fluctuation is larger, and dioxin is given birth to rapidly under the conditions of ignition temperature is lower
At, be not suitable for individually directly burn.And a large amount of inorganic non-combustible ingredient is also heated in rubbish, wastes a large amount of heat,
Affect the efficiency of combustion of waste incineration, and the garbage classification work in China is done badly or even some iron plates, stone etc.
It is sent to incinerator, therefore rubbish is had to the fuel for supplementing the high-quality such as coal or fuel oil during the burning process, that is, takes multifuel combustion
Mode.
Summary of the invention
Aiming at the above defects or improvement requirements of the prior art, the present invention provides a kind of gasification of biomass and waste incinerations
Gasification of biomass and waste incineration organic coupling are realized that the complementary of high low-grade energy utilizes, for biology by coupled system
The high efficient resourcing comprehensive utilization of matter, house refuse provides a technological approaches.
The technical scheme is that providing a kind of gasification of biomass and waste incineration coupled system, including biogas
Change equipment, gas storage equipment, activated carbon modified equipment and garbage incinerating system；
Biomass gasification equipment includes gasification furnace, the charging gear to gasification furnace transferring raw material and the dress of slagging tap from gasification furnace slag discharge
It sets；Gas storage equipment includes storage tank；Garbage incinerating system includes waste incinerator, exhaust gas purification system and waste heat boiler；
It is connected between the storage tank and the gasification furnace by the first fuel gas conduit, economizer, the province is installed in the storage tank
Coal device is connected by pipeline with waste heat boiler；
At least one gas burner is installed in waste incinerator, the storage tank passes through the second fuel gas conduit and gas burner phase
Even；The deslagging device is connected with activated carbon modified equipment, and activated carbon modified equipment is connected with the exhaust gas purification system.
Preferably, the temperature of combustion gas is made to be reduced to 400 DEG C ~ 450 DEG C by economizer.
Preferably, the deslagging device is also connected with the feed hopper of garbage incinerating system.
Preferably, booster fan is set in second fuel gas conduit.
Preferably, the biomass is agricultural and/or forestry waste.
Preferably, 1-6 gas burner is installed in the waste incinerator.
Biomass generates by dry, pyrolysis, volatile matter and coke fraction burning, gasification and contains carbon monoxide, hydrogen
The Lower heat value of the gas componants such as gas, methane is greater than 4600kJ/m3Biological fuel gas.
Gas storage equipment is used to store the biological fuel gas of gasification furnace generation, and is cooled to 400 ~ 450 using economizer
DEG C, cooling heat is by condensed water (being used for cogeneration) recycling of waste incineration furnace apparatus, and tar will not coagulate at a temperature of this
Knot.After stored biological fuel gas is pressurizeed by gas booster fan, it is sent into waste incinerator burning.
The carbon containing lime-ash of fraction solids that the biomass gasification equipment is discharged is modified (living by activated carbon modified equipment
Change), it produces active carbon and is sent into the exhaust gas purification system active carbon bunker storage of the waste incineration furnace apparatus, for adsorbing tail
The harmful substances such as the dioxin in gas；Remaining solid carbon lime-ash is then directly mixed by the waste incineration furnace apparatus and rubbish
It burns.
Waste incineration coupled biological matter gasifying electricity generation technology refers to agriculture, woods waste after simple pretreatment, with heat
The mode of solution gasification generates combustion gas and is sent directly into garbage burning boiler, carries out multifuel combustion with rubbish, utilizes original waste incineration and generating electricity
System realizes efficiency power generation, minimum discharge.For directly burning compared to biomass, gasification coupling technology has many good qualities:
1. technical performance: pretreatment of raw material process is simple, is adapted to a variety of biomass materials, expands raw material sources；It need not
Using higher running temperature, the puzzlement that biomass ash fusion point is low, has the problem of corrosivity, caking property to boiler is overcome；
Combustion gas enters boiler from gasification furnace at relatively high temperatures, and tar will not condense.
2. environmental benefit: since biological fuel gas part replaces fire coal, reducing CO2、SO2Discharge, fuel gas with low heat value exists
Burning in boiler reduces NOxDischarge.Meanwhile waste incineration temperature and stability are improved, reduce the production quantity of dioxin.
3. economy: due to utilizing existing Large Efficient electricity generation system, greatly improving biomass energy and be converted into electric energy
Efficiency；Gasification technology improves energy conversion efficiency by changing the form of raw material of substance, obtains high-grade energy, for biology
The utilization of matter and rubbish provides the chance of optimization.
4. flexibility: this technology route is suitable for the waste incinerator that rubbish day treatment scale is 100 ~ 800 ton/days, raw
Gasification substance fires efficiency power generation equipment, the flue gas purifying equipment that power generation can make full use of garbage incinerating power plant existing again, protects
Card has higher generating efficiency, lower environment protection emission value under various scales.
Garbage incinerating system includes feed hopper, grate furnace (a kind of waste incinerator), gas burner etc..In the fire grate
After the furnace of furnace, furnace side, the different locations such as furnace roof a certain number of gas burners are set, from biological fuel gas storage facilities
Biological fuel gas is sent into the grate furnace by the gas burner after gas booster fan pressurizes and rubbish is mixed and burned；
The sludge generated from biomass gasification equipment gas-purification is sent into the furnace by the feed hopper of the waste incineration furnace apparatus
Grate furnace and garbage multifuel combustion are simultaneously handled.
In general, through the invention above technical scheme is compared with the prior art, main beneficial effect is:
1. the resulting low heat value biomass combustion gas of gasification of biomass is sent into waste incinerator coupling combustion by the present invention, both ensured into
When furnace rubbish is inadequate or refuse thermal value is low, waste incineration furnace apparatus maintains stable evaporation capacity, improves waste incineration and generating electricity system
The generated energy and operation stability of system, and realize clean energy resource and efficiently utilize, fossil energy consumption is reduced, energy consumption is reduced
The effect of cost.
2. biomass gasification process of the invention avoids tar condensing from causing by control biological fuel gas storage temperature
Pipeline, gas port blocking, valve invalidation, cylinder pollute the problems such as, problem above easily leads to gas supply and is unable to operate normally, increase
Plant maintenance and operating cost hinder the application of biomass gasification technology.
3. technology path of the invention is suitable for Small Urban low heat value, the burning disposal of high-moisture house refuse, meet
The requirement for the refuse burning system performance driving economy that day treatment scale is 100 ~ 800 ton/days.
4. technology path of the invention is conducive to improve refuse moisture content height, the lower consumer waste incineration of combustion heat value
Efficiency of combustion, combustion stability, improve waste heat boiler utilization efficiency.
5. technology path of the invention is conducive to improve domestic waste incineration bore temperature, reduces consumer waste incineration two and dislike
The production quantity of English, the pollution emission control for improving waste incineration are horizontal.
6. technology path of the invention is conducive to improve the efficiency of energy utilization of biomass energy, simplify biomass utilization system
System device configuration, reduces land area, reduces system investments.
Detailed description of the invention
Fig. 1 shows the structural schematic diagrams for being gasification of biomass and waste incinerator coupled system of the invention.
Specific embodiment
Below with reference to embodiment, the invention will be further described.
In order to make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with drawings and the embodiments
Gasification of biomass of the invention and waste incinerator coupled system are described further.It should be appreciated that tool described herein
Body embodiment is only used to explain the present invention, is not intended to limit the present invention.
As shown in Figure 1, gasification of biomass of the invention and waste incineration coupled system mainly include biomass gasification equipment
A, gas storage equipment B, activated carbon modified equipment C and waste incineration furnace apparatus D.Wherein, biomass gasification equipment A will be for that will give birth to
Raw material of substance is converted into fuel gas and solid carbon lime-ash easy to use；Gas storage equipment B is clear for storing and cooling down
Clean high-grade biological fuel gas；Activated carbon modified equipment C is used to solid carbon lime-ash activation modification preparing active carbon；Rubbish
Rubbish burning facility D for realizing biological fuel gas, solid carbon lime-ash and rubbish high-efficiency cleaning recovery energy.The present invention is logical
The mutual cooperation of above-mentioned each equipment is crossed, realizes the coupling high-efficiency cleaning recovery energy of biomass and rubbish.Gasification of biomass
Resulting low heat value biomass combustion gas, as waste incinerator start and stop and combustion-supporting fuel, utilizes gasification of biomass for diesel oil substitute
System substitutes waste incinerator original diesel ignition system and standby firing system.Both ensured that inadequate into furnace rubbish or rubbish was warm
When being worth low, waste incineration furnace apparatus maintains stable evaporation capacity, improves the generated energy of waste incineration and generating electricity system and stable
Property, and effectively evaded precipitated impurities blocking oil gun, waste incinerator is thoroughly eliminated in adverse effect caused by diesel fuel supply is unsmooth
Oil drop fire, the combustion-supporting environmental pollutions such as chimney over-emitting black exhaust in the process are thrown, clean energy resource is realized and efficiently utilizes, reduce fossil energy and disappear
Consumption, reduces the effect of Energy Consumption Cost.
Biomass gasification equipment A is using agriculture, woods waste such as stalk, rice husk, cotton stalk, bark, sawdust etc. as raw material, gas
Change and generate biological fuel gas comprising biomass feeding apparatus 1, gasification furnace 2 and deslagging device 3.Wherein, biomass feeding apparatus
1 conveys biomass material to gasification furnace 2, and the gasification of gasification furnace 2 is produced the solid lime-ash discharge furnace body after gas by deslagging device 3.The life
Raw material of substance by pyrolysis, oxidation, restores reforming reaction by means of the effect of gasifying medium (air, oxygen, vapor etc.),
It is converted into containing carbon monoxide, the low heat value fuel gas of hydrogen and low molecular hydrocarbon etc..
Gasification furnace 2 produces temperature degree at 800 DEG C or more, and the storage tank 8 that biological fuel gas is sent into after biological fuel gas is purified stores up
It deposits, biological fuel gas is cooled to 400 DEG C ~ 450 DEG C by economizer 9, tar will not condense.The heat of biomass fuel air cooling
By the condensing hot air furnace of waste incineration furnace apparatus D, combustion gas is sent into waste incineration furnace apparatus D after the pressurization of booster fan 4
Burning.
Activated carbon modified equipment C changes the carbon containing lime-ash of fraction solids that biomass gasification equipment A deslagging device 3 is discharged
Property, it produces active carbon and is sent into the storage of waste incineration furnace apparatus D exhaust gas purification system active carbon bunker, in absorption tail gas
The harmful substances such as dioxin；The feed hopper 5 that remaining solid carbon lime-ash directly passes through waste incineration furnace apparatus D is sent into grate furnace 6
With garbage multifuel combustion.
Waste incineration furnace apparatus D includes feed hopper 5, grate furnace 6, gas burner 7 etc..After the furnace of grate furnace 5, furnace
A certain number of gas burners 7, the biomass fuel from biological fuel gas storage facilities B is arranged in the different locations such as side, furnace roof
Gas is sent into grate furnace 6 and rubbish coupling combustion by gas burner 7 after the pressurization of gas booster fan 4；From biogas
Change another part carbon containing lime-ash that equipment A gas-purification generates and grate furnace 6 is sent by the feed hopper 5 of waste incineration furnace apparatus D
With garbage multifuel combustion and handle.
The gasification of biomass and waste incinerator coupled system of present embodiment, gasification of biomass and waste incinerator are had
Machine coupling had both solved gasification of biomass and has produced the difficulty that gas calorific value is low, independent generating efficiency is low, secondary pollution can not be effectively treated
Topic, and evaded waste incinerator by diesel ignition, combustion-supporting various drawbacks, improve the generated energy and fortune of waste incinerator
Row stability realizes clean energy resource and efficiently utilizes, reduces fossil energy consumption.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.
Claims (7)
1. a kind of gasification of biomass and waste incineration coupled system, which is characterized in that including biomass gasification equipment, gas storage
Equipment, activated carbon modified equipment and garbage incinerating system；
Biomass gasification equipment includes gasification furnace, the charging gear to gasification furnace transferring raw material and the dress of slagging tap from gasification furnace slag discharge
It sets；Gas storage equipment includes storage tank；Garbage incinerating system includes waste incinerator, exhaust gas purification system and waste heat boiler；
It is connected between the storage tank and the gasification furnace by the first fuel gas conduit, economizer, the province is installed in the storage tank
Coal device is connected by pipeline with waste heat boiler；
At least one gas burner is installed in waste incinerator, the storage tank passes through the second fuel gas conduit and gas burner phase
Even；The deslagging device is connected with activated carbon modified equipment, and activated carbon modified equipment is connected with the exhaust gas purification system.
2. the system as claimed in claim 1, which is characterized in that so that the temperature of combustion gas is reduced to 400 DEG C ~ 450 by economizer
℃。
3. the system as claimed in claim 1, which is characterized in that the deslagging device also with the feed hopper phase of garbage incinerating system
Even.
4. the system as claimed in claim 1, which is characterized in that set booster fan in second fuel gas conduit.
5. the system as claimed in claim 1, which is characterized in that the biomass is agricultural and/or forestry waste.
6. the system as claimed in claim 1, which is characterized in that install 1-6 gas burner in the waste incinerator.
7. the system as claimed in claim 1, which is characterized in that the waste incinerator is grate furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958501.4A CN109666513A (en) | 2017-10-16 | 2017-10-16 | A kind of gasification of biomass and waste incineration coupled system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710958501.4A CN109666513A (en) | 2017-10-16 | 2017-10-16 | A kind of gasification of biomass and waste incineration coupled system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109666513A true CN109666513A (en) | 2019-04-23 |
Family
ID=66140031
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