CN208687737U - A kind of consumer waste incineration system of prevention and control flue gas pollutant - Google Patents

Abstract

The utility model discloses a kind of consumer waste incineration systems of prevention and control flue gas pollutant, the material grasping bucket of garbage storage tank is dosed into the system of being compressed to crush, it is compressed to crush system and drying system is connected by transportation system, the rubbish discharge port of drying system connects the garbage inlet of integrated incinerator, the hot foul smell outlet of drying system connects the air intake vent of integrated incinerator, the hot air outlet of the fuel gas outlet of integrated incinerator and flue gas emission mouth and two-stage heat exchanger is separately connected dual firing chamber, dual firing chamber, level-one heat exchanger, rapid cooling room, two-stage heat exchanger and flue gas desulfurization device sequentially connect；The air inlet of the hot air outlet connection drying system of level-one heat exchanger.The system structure of the utility model is rigorously reasonable, it can be dried in rubbish, the critical process prevention and control flue gas pollutant that gasification is burnt, smoke combustion purification and flue gas are cooling, thermal energy needed for each process, fuel gas and combustion air are provided out of system in system, and direct cost is almost nil.

Description

A kind of consumer waste incineration system of prevention and control flue gas pollutant

Technical field

The invention belongs to technical field of waste incineration, especially a kind of consumer waste incineration of prevention and control flue gas pollutant System.

Background technique

House refuse is since minimizing is significant, and innoxious thoroughly and to be relatively easy to control, residual heat regenerating utilizes, and land occupation is opposite Smaller, sustainable use is considered one of preferable method of domestic rubbish disposal, but the key point of waste incineration is dirt The control improvement of dye object especially dioxin violent in toxicity reaches national emission standard.The dioxin contained in consumer waste incineration Nuisance, mainly contains chlorine element in house refuse, organic matter, which burns, to be generated, and exists with gaseous state or be attached on flue dust In flue gas, dioxin has a hypertoxic carcinogenicity, is in solid-state under standard state, and 303-305 DEG C of fusing point, it is extremely difficult to be dissolved in water, be easy Biological cylinder accumulation, and difficult discharge.705 DEG C or less quite stable, starts to decompose higher than this temperature.In addition, waste incineration is dropped Warm process can re-generate dioxin.Therefore, Consideration of MSW Incineration Technology key is that dioxin pollution object is administered in control.

According to the physicochemical property of dioxin, mechanism of production proposes effectively control in the world and administers two with scientific and technological progress Dislike English class guideline measure, one kind is Control Measure, comprising: 1, garbage classification, control house refuse in chlorine element, The content of organic matter avoids entering incinerator containing dioxin and the high waste containing chlorine；2, adhere to " 3T+E " (Temperature, Time, Turbulence+Excess Oxygen) principle, i.e. incineration temperature, burning time, turbulent extent+foot oxygen condition, Crack dioxin；3, using chilling technique, shorten the residence time that flue gas is down to low temperature by high temperature as far as possible, reduce two evil in flue gas English regeneration.Another kind of is passive control measures, including takes activated carbon adsorption, Bag filter removal dioxin.Prevention and control The difficult point of measure is which type of measure can achieve the effect that and cost using, although the effect of passive control measures Good, it is too high that difficult point lies also in cost.

Passive control measures i.e. active carbon is mainly taken in the grate furnace smoke gas treatment that China big and medium-sized cities are widely used at present Absorption and Bag filter, so cost is very high, the reason is that Control Measure is improper, effect is bad, is mainly manifested in 3 points: one It is rubbish is carried out in the state of " smoldering ", dioxin harmful substance is easy to produce in flue gas, improvement will necessarily be increased Difficulty and cost；Second is that waste incineration and flue gas are to mix to carry out in same furnace chamber, it is difficult to adhere to reaching 3T+E principle Sufficient and necessary condition, the dioxin in flue gas cannot effectively be decomposed；Third is that flue gas from 850 DEG C of high temperature drop to 300 DEG C with Under, fail to accomplish that time control in 1S, cannot effectively eliminate the environmental condition that dioxin is lived again, dioxins concentration is higher, only Passive control measures can be taken: activated carbon adsorption+Bag filter, the cost that dioxin is administered must be very high.It is metropolitan to hold It is strong by ability, and quantity of refuse is big, compensates excessively high cost by controlling waste incineration and generating electricity.Grate furnace is in big city using still It is feasible.Small city and county town small towns but cannot withstand cost high in this way.So not being used always.But again without being suitable for real Incinerator technology is alternative, at present the house refuse in these areas substantially landfill or air storage, or even basic It does not collect and abandons everywhere.The key point for solving these regional garbage incineration technologies is still the control of dioxin violent in toxicity in flue gas System is administered, and difficult point is still cost, and more prominent.

Summary of the invention

Against the above technical problems, the present invention proposes a kind of consumer waste incineration system of prevention and control flue gas pollutant.

The present invention adopts the following technical scheme that solution above-mentioned technical problem:

A kind of consumer waste incineration system of prevention and control flue gas pollutant, including garbage storage tank, be compressed to crush system, Transportation system, drying system, integrated incinerator, dual firing chamber, level-one heat exchanger, rapid cooling room, two-stage heat exchanger and cigarette Desulfurization device；

Material grasping bucket is installed, material grasping bucket crawl rubbish is dosed into the system of being compressed to crush, compresses above the garbage storage tank Crushing system connects transportation system, and transportation system connects drying system, and the rubbish discharge port of drying system connects integrated incinerator Garbage inlet, the air outlet of drying system connects the air intake vent of integrated incinerator, integrates the fuel gas outlet of incinerator Passing through respective channel respectively with flue gas emission mouth and connects dual firing chamber, dual firing chamber's smoke outlet is connect with level-one heat-exchanger pipeline, Level-one heat exchanger, rapid cooling room, two-stage heat exchanger and flue gas desulfurization device sequentially connect；The hot-air of level-one heat exchanger The air inlet of outlet connection drying system, the hot air outlet pipeline of two-stage heat exchanger connect dual firing chamber.

It further include lime-ash dust treatment system, the lime-ash dust treatment system includes ash-discharging device, ash sorting device With grey slag crushing device；The cinder-discharging port of the integrated incinerator connects ash-discharging device, and ash-discharging device connects ash sorting device, ash Slag sorting unit connects grey slag crushing device, and ash-discharging device, ash sorting device and grey slag crushing device are separately connected deduster.

It is described to be compressed to crush system, including transverse hydraulic propeller, vertical hydraulic pusher, quantitative refuse hopper, rubbish into Expect channel, multi-stage compression channel, section cutting machine, axially cutting machine, radial cut cutting mill, outlet of sewer and sewage conduct；

Transverse hydraulic propeller connects the transverse port in garbage feeding channel, and vertical hydraulic pusher connection garbage feeding is logical The vertical port in road, garbage feeding channel roof are open and connect the outlet at bottom of quantitative refuse hopper, the connection of garbage feeding channel Chopped-off head pressure channel in multi-stage compression channel；The multi-stage compression channel is the integrated molding pipeline that caliber reduces step by step, Final stage pressure channel is successively arranged section cutting machine, axially cutting machine and radial cut cutting mill, and final stage pressure channel goes out equipped with sewage Mouth connection sewage conduct.

The section cutting machine includes screw elevator, and screw elevator is driven by first motor；At the top of screw elevator Rotatable section cutter plate is installed, section cutter plate connects the second motor, and the final stage pressure channel is equipped with section Cutting seam, the section cutter plate can pass through section cutting seam up and down and carry out section to the rubbish in final stage pressure channel Formula cutting；

The axially cutting machine includes axially cutting cutterhead, and the final stage pressure channel edge is axially arranged with axially cutting seam, Axially cutting cutterhead is removably secured in axially cutting seam, and axially cutting cutterhead connects third motor；

The radial cut cutting mill includes radial cuts cutterhead, and the final stage pressure channel is equipped with radial cuts in the horizontal direction Seam, radial cuts cutterhead are removably secured in radial cut slot, and radial cuts cutterhead connects the 4th motor.

The drying system is roller dryer, the structure of the dryer are as follows: roller drying device is located in baking zone, Roller drying device is equipped with dryer feeding mouth and connects transportation system discharge port, and roller drying device is equipped with dryer discharge port connection collection At the garbage inlet of incinerator；Baking zone both ends are respectively equipped with dryer air inlet and dryer air outlet, dryer air inlet The hot air outlet of mouthful connection level-one heat exchanger, dryer air outlet connect incinerator air intake vent, roller drying device connection the Five motors.

The integrated incinerator, furnace is interior to be arranged burning chamber, and flue gas emission mouth is opened up at the top of burning chamber, and burning chamber lower part is rubbish Multiple vaporizers are laid on rubbish incineration area, burning chamber top respectively, and each vaporizer is enclosed and set by furnace inner wall and fire resisting Heat Conduction Material It forms, each vaporizer is separated with fire resisting Heat Conduction Material respectively between any two and between each vaporizer and burning chamber；

Each vaporizer is equipped with garbage inlet on corresponding furnace wall and fuel gas exports, garbage inlet connection The rubbish discharge port of drying system, fuel gas outlet connection dual firing chamber；Vaporizer bottom is equipped with vaporizer discharge port and passes through valve Door connection burning chamber；

The burning chamber lower part also offers incinerator air intake vent and incinerator cinder-discharging port, the connection of incinerator air intake vent respectively The air outlet of drying system.

The burning chamber top is additionally provided with biomass carbonated room, and biomass carbonated room is enclosed by furnace inner wall and fire resisting Heat Conduction Material If forming, the biomass carbonated room be respectively equipped on corresponding furnace wall biomass feed inlet, charing biomass discharge port and Biological fuel gas extracts mouth, and the biomass feed inlet and charing biomass discharge port are respectively equipped with machinery valve.

Rapid cooling room two sides offer cooling chamber's air intake vent and cooling chamber's air outlet respectively, and cooling chamber's air intake vent connects Level-one heat exchanger is connect, cooling chamber's air outlet connects second level exchanger, is respectively equipped with muti-piece wind deflector in cooling chamber and Duo Gen is defeated Water pipe is separately connected multiple atomizers on water-supply-pipe, water tank is equipped in rapid cooling room, and water-supply-pipe connects water tank.

Advantages of the present invention:

1, the method for the present invention is implemented in the critical process that rubbish drying, gasification are burnt, smoke combustion purification and flue gas are cooling The passive control measures of activated carbon adsorption and Bag filter can be reduced or remitted or be reduced or remitted substantially to prevention and control flue gas pollutant.

2, present system is of a tightly knit structure rationally, and advantage is prominent, under the action of system structure, each process institute in system The thermal energy needed, fuel gas and combustion air can generate offer out of system, and need not add outside system, direct cost Almost nil, system operation cost declines to a great extent.

3, the hot wind that the flue gas and second level exchanger that the fuel gas and combustion chamber that integration furnace vaporizer generates generate generate, Dual firing chamber is imported from respective flue respectively, the environmental condition of 3T+E can be effectively ensured, it is ensured that condition of the flue gas in high temperature foot oxygen Lower full combustion purification, dioxin crack completely.

4, flue gas cool-down is very useful effectively using three-level cooling technique.It is dropped through level-one heat exchange flue gas from 850 DEG C or more To 500 DEG C, hot wind offer drying is provided or heat source is done in charing, ensures that flue gas plunges from 500 DEG C to 300 DEG C of temperature using rapid cooling The residence time control in area effectively eliminates the condition of dioxin in flue gas cooling procedure re-generated far below within 1s.

5, the system structure of integrated incinerator is scientific, reasonable, rigorous, complete, function is excellent.Gasify and to burn process mutual Independent interaction process is controllable, and rubbish is sufficiently fully and completely burnt, and it is fast to burn process, without " smoldering " phenomenon.Largely On from source prevention control burn the generation of process flue gas pollutant, to greatly reduce the difficulty and cost of smoke gas treatment.Gas Change burns overall process without adding combustion-supporting material, and direct cost is almost nil.Integrated incinerator furnace temperature is stablized, and high temperature is kept to continue Stablize gasification and burn, it is ensured that the efficiency effect of waste incineration.The fuel gas control that gasification generates imports dual firing chamber, really Protect the fume high-temperature burning purification for burning process generation, cracking, without adding any combustion-supporting material.The direct operation of dual firing chamber Cost is almost nil.A large amount of high-temperature flue gas that dual firing chamber generates simultaneously import dryer as heat source, rubbish through level-one heat exchanger The direct cost of rubbish drying is almost nil.

6, the several vaporizers integrated in incinerator can also carbonize biomass, can output biological fuel gas and life Substance carbon.The output and surcharge for improving integration furnace, are particularly suitable for county, the city, domain with agricultural-forestry biomass raw material abundant City and rural area use.

7, system is compressed to crush by step by step compression, and msw water content substantially reduces, and can reduce by 60% or more moisture content.Rubbish Consolidation solidifies after rubbish compression, then is crushed abundant through section, axial direction, radial Three-bearing cutting and crushing respectively.Rubbish after crushing It is easy to drying of rolling in roller drying machine, efficiency at least improves two times or more, reduces drying cost, low to moisture content high heating value Domestic rubbish disposal effect it is more significant.Degree of crushing is controllable, and it is controllable that rubbish drying reaches loose degree of drying.It is broken through the present invention Rubbish after broken crusher machine drying, investment incinerator influence furnace temperature little, it is ensured that incinerator high temperature continued stable combustion improves Consumer waste incineration efficiency and effect.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the consumer waste incineration system of prevention and control flue gas pollutant of the present invention.

Fig. 2 is the top view of Fig. 1.

Fig. 3 is the structural schematic diagram of the garbage storage tank in Fig. 1.

Fig. 4 is to be compressed to crush system structure diagram in Fig. 1.

Fig. 5 is the top view of Fig. 4.

Fig. 6 is the structural schematic diagram of drying system in Fig. 1.

Fig. 7 is the structural schematic diagram that incinerator is integrated in Fig. 1.

Fig. 8 is the top view of Fig. 7.

Fig. 9 is the structural schematic diagram of rapid cooling room in Fig. 1.

Figure 10 is the top view of Fig. 9.

In Fig. 1-Figure 10: A1: weighbridge room, A2: A3: garbage storage tank is compressed to crush system, A4: drying system, A5: Integrated incinerator, A6: air blower, A7: dual firing chamber, A8: level-one heat exchanger, A9: rapid cooling room, A10: second level heat Exchanger, A11: cloth envelop collector, A12: wet type desulphurization device, A13: chimney, A14: transportation system.

1: transverse hydraulic propeller, 2: vertical hydraulic pusher, 3: quantitative refuse hopper, 4: garbage feeding channel, 5: pipeline Fixed frame, 6: one stage of compression channel, 7: two-stage compression channel, 8: three stage compression channel, 9: section cutter plate, 10: screw rod liter Drop machine, 11: first motor, 12: the second motors, 13: axially cutting cutterhead, 14: the first fixed frames, 15: third motor, 16: diameter To cutter plate, 17: the four motors, 18: the second fixed frames, 19: pipeline pedestal, 20: sewage conduct, 21: Sewage outlet, 22: vertical hydraulic pusher fixed frame, 23: quantitative refuse hopper fixed frame, 24: transverse hydraulic propeller fixed frame, 25: wall； 26: dryer feeding mouth, 27: dryer air outlet, 28: roller drying device, 29: baking zone, 30: dryer air inlet, 31: drying Dry machine discharge port, 32: the five motors, 33: drying machine base.

34: flue gas emission mouth, 35: burning chamber, 36: biomass feed inlet, 37: biomass carbonated room, 38: machinery valve, 39: charing biomass discharge port, 40: incinerator cinder-discharging port, 41: incinerator air intake vent, 42: vaporizer discharge port, 43: rubbish Feed inlet, 44: vaporizer, 45: biological fuel gas extracts mouth, and 48: fuel gas exports.

51: atomizer, 52: water-supply-pipe, 53: wind deflector, 54: cooling chamber's air outlet, 55: cooling chamber's air intake vent, 56: Water tank, 57: bracket.

58: transport vehicle entrance, 59: material grasping bucket, 60: grab bucket traverse rod, 61: rubbish landfill hole, 62: rubbish conveyer belt, 63: defeated Send system discharge port, 64: conveyer belt pedestal.

Figure 11 is the work flow diagram of consumer waste incineration system of the present invention.

Specific embodiment

As shown in Figures 1 to 10, a kind of consumer waste incineration system of prevention and control flue gas pollutant, including at solids Reason system, lime-ash dust treatment system and gas handling system；

One, the solids processing system includes garbage storage tank A2, is compressed to crush system A3, drying system A4, conveying System and integrated incinerator A5；

1, refuse breaking is dried:

Rubbish enters garbage storage tank A2, installation above the garbage storage tank A2 from transport vehicle entrance 58 through weighbridge room A1 Grab bucket traverse rod 60, the connection grab bucket traverse rod 60 of material grasping bucket 59, the system A3 of being compressed to crush is located in garbage storage tank A2, material grasping bucket 59 from 61 crawl rubbish of rubbish landfill hole, which is dosed into, to be compressed to crush in system A3, is compressed to crush after garbage-compressing is crushed by system A3 by defeated System A14 is sent to be sent into drying system A4 drying.

It is described to be compressed to crush system A3, including transverse hydraulic propeller 1, vertical hydraulic pusher 2, quantitative refuse hopper 3, rubbish Rubbish feeding-passage 4, multi-stage compression channel, section cutting machine, axially cutting machine and radial cut cutting mill；

The garbage feeding channel 4 is three way type pipeline, and transverse port connects transverse hydraulic propeller 1, vertical upper port Vertical hydraulic pusher 2 is connected, vertically lower end mouth connects the one stage of compression channel 6 in multi-stage compression channel, garbage feeding channel 4 The top opening of traversing section and the outlet at bottom for connecting quantitative refuse hopper 3；The above-mentioned each port junction difference in garbage feeding channel 4 It is fastened with pipe fixing bracket 5.In order to keep this crusher more firm, it is separately connected on the wall 25 of garbage storage tank vertical hydraulic It is vertical hydraulic that propeller fixed frame 22, quantitative refuse hopper fixed frame 23 and transverse hydraulic propeller fixed frame 24 correspond support Propeller 2, quantitative refuse hopper 3 and transverse hydraulic propeller 1.

The multi-stage compression channel is the integrated molding pipeline that caliber reduces step by step, and the present embodiment multi-stage compression pipeline is set It is set to three-level, the compression ratio 1: 0.8 in one stage of compression channel 6, the compression ratio 1: 0.8 in two-stage compression channel 7, three stage compression channel 8 Compression ratio 1: 0.7.Three stage compression channel 8 is successively arranged section cutting machine, axially cutting machine and radial cut cutting mill.

The section cutting machine includes screw elevator 10, and screw elevator 10 is driven by first motor 11.Screw rod lifting Rotatable section cutter plate 9 is installed, section cutter plate 9 connects the second motor 12, by the second motor 12 at the top of machine 10 Section cutter plate 9 is driven to rotate；The three stage compression channel 8 is equipped with section cutting seam, and the section cutter plate 9 can be upper and lower Across the section, cutting seam carries out the cutting of section formula to the rubbish in three stage compression channel 8.

8 bottom of three stage compression channel is equipped with Sewage outlet 21, and Sewage outlet 21 connects sewage conduct 20.It is preferred that Using section cutting seam as Sewage outlet 21, sewage conduct 20 is arranged in seam lower section, and water inlet and the section of sewage conduct 20 are cut The sewage of discharge is caught simultaneously outlet by slot matching.

The axially cutting machine includes axially cutting cutterhead 13, and the three stage compression channel 8 is axially cutting along being axially arranged with Seam, axially cutting cutterhead 13 are removably secured in axially cutting seam, and axially cutting cutterhead 13 connects third motor 15, third Motor 15 is mounted on the first fixed frame 14, and the first fixed frame 14 is mounted on 8 side of three stage compression channel.In order to make rubbish three It more unimpededly moves ahead in grade pressure channel 8, first hydraulic cylinder can also be installed in the first fixed frame 14, the first hydraulic cylinder connects First rotating shaft is connect, axial cutter plate 13 is installed in first rotating shaft, third motor 15 connects axial cutter plate 13.When will carry out When cutting, the first hydraulic cylinder promotes axially cutting cutterhead 13 in axially cutting seam, while 15 driving axial of third motor is cut Disc cutterbar 13 rotates, and after cutting, the first hydraulic cylinder drives axially cutting cutterhead 13 to exit axially cutting seam.So circulation Back and forth.

The radial cut cutting mill includes radial cuts cutterhead 16, and the three stage compression channel 8 is equipped with radial in the horizontal direction Cutting seam, radial cuts cutterhead 16 are removably secured in radial cut slot, and radial cuts cutterhead 16 connects the 4th motor 17. 4th motor 17 is mounted on the second fixed frame 18, and the second fixed frame 18 is mounted on 8 top of three stage compression channel.In order to make rubbish It more unimpededly moves ahead in three stage compression channel 8, second hydraulic cylinder can also be installed on the second fixed frame 18, second is hydraulic Cylinder connects the second shaft, and radial cuts cutterhead 16 is installed in the second shaft, and the 4th motor 17 connects radial cuts cutterhead 16.When When being cut, the second hydraulic cylinder promotes radial cuts cutterhead 16 in radial cut slot, while the 4th motor 17 drives Radial cuts cutterhead 16 rotates, and after cutting, the second hydraulic cylinder drives radial cuts cutterhead 16 to exit radial cut slot.Such as This moves in circles.

The pipeline pedestal 19 has multiple, supports garbage feeding channel 4 and multi-stage compression channel respectively.

The transportation system A14 includes that rubbish conveyer belt 62 is erected on conveyer belt pedestal 64, transportation system discharge port 63 Connect drying system A4.

The drying system uses roller dryer, the structure of the dryer are as follows: roller drying device 28 is located at drying In area 29, roller drying device 28 is equipped with dryer feeding mouth 26 and connects transportation system discharge port 63, and 28 bottom of roller drying device has Machine base 33 is dried, roller drying device 28 is equipped with the garbage inlet 43 that dryer discharge port 31 connects integrated incinerator A5；It dries Dry 29 both ends of area are respectively equipped with dryer air inlet 30 and dryer air outlet 27, and dryer air inlet 30 connects level-one heat exchange The hot air outlet of device A8, dryer air outlet 27 connect incinerator air intake vent 41.Roller drying device 28 connects the 5th motor 32.

2, garbage burning, gasification:

Rubbish after drying system A4 drying is sent into integrated incinerator A5 gasification burning, the flue gas and fuel gas point of generation Gas handling system processing is not sent by respective channel, the lime-ash of generation is sent to grey slag dust after unloading ash from integrated incinerator A5 Processing system is handled.

Burning chamber 35(, that is, hearth box is arranged in furnace by the integrated incinerator A5), flue gas emission mouth is opened up at the top of burning chamber 35 34,35 lower part of burning chamber is waste incineration area, lays multiple vaporizers 44, rubbish between 35 top of burning chamber and furnace inner wall respectively Vaporizer 44 is enclosed and is set by furnace inner wall and fire resisting Heat Conduction Material, and each vaporizer 44 is between any two and each vaporizer 44 and burning chamber Separated respectively with fire resisting Heat Conduction Material between 35, high density high thermal conductivity silica brick can be used in fire resisting Heat Conduction Material.

Each vaporizer 44 is equipped with garbage inlet 43 and fuel gas outlet 48, vaporizer 44 on corresponding furnace wall Bottom is equipped with vaporizer discharge port 42 garbage emission strengthened after drying or carbonizing to burn to burning chamber 35；The rubbish Feed inlet 43 and vaporizer discharge port 42 are respectively equipped with machinery valve 38.Fuel gas outlet 48 connects dual firing chamber by channel A7, dual firing chamber A7 are arranged in outside the furnace body of integrated incinerator A5.It is further strong in vaporizer 44 after the drying of rubbish drying machine Change drying or charing, is re-fed into the burning of burning chamber 35.

Biomass carbonated room 37 is additionally provided between 35 top of burning chamber and furnace inner wall, biomass carbonated room 37 is also by furnace Inner wall and fire resisting Heat Conduction Material are enclosed and are set, and the biomass carbonated room 37 is respectively equipped with biomass charging on corresponding furnace wall Mouth 36, charing biomass discharge port 39 and biological fuel gas extract mouth 45, and the biomass feed inlet 36 and charing biomass go out Material mouth 39 is respectively equipped with machinery valve 38.Biomass carbon is discharged from charing biomass discharge port 39, recycles, the biomass The combustion gas that mouth 45 extracts is extracted in combustion gas can be used in power generation.

35 lower part of burning chamber also offers incinerator air intake vent 41 and incinerator cinder-discharging port 40, incinerator inlet air respectively The dryer air outlet 27 of mouth 41 pipelines connection drying system A, the smelly hot wind that dryer generates is supplied to as combustion-supporting gas to be burnt Furnace is burnt, keeps burning more abundant.Lime-ash after burning unloads ash to lime-ash transport vehicle by incinerator cinder-discharging port 40.

Two, the gas handling system includes dual firing chamber A7, level-one heat exchanger A8, rapid cooling room A9, the friendship of second level heat Parallel operation A10, wet type desulphurization device A12 and chimney A13.

The flue gas that the fuel gas and burning chamber 35 that the vaporizer 44 of the integrated incinerator A5 generates generate is respectively by each From channel be sent into dual firing chamber A7, settable air blower A6 is on above-mentioned each channel to accelerate flow velocity, the smoke outlet of dual firing chamber A7 Sequentially it is connect with level-one heat exchanger A8, rapid cooling room A9, two-stage heat exchanger A10；The hot-air of level-one heat exchanger A8 Outlet is connect with dryer air inlet 30.

The rapid cooling room two sides A9 offer cooling chamber's air outlet 54 and cooling chamber's air intake vent 55 respectively, and interior is equipped with Muti-piece wind deflector 53 is additionally provided with more water-supply-pipes 52, and multiple atomizers 51, rapid cooling room A9 are separately connected on water-supply-pipe 52 Interior to be equipped with water tank 56, water-supply-pipe 52 connects water tank 56, and water is pumped into water-supply-pipe 52 by water tank 56, and recycles.Branch Frame 57 supports rapid cooling room 49.Flue gas enters rapid cooling room A9 through cooling chamber's air intake vent 55 from level-one heat exchanger A8, anxious The space setting of prompt drop greenhouse A9 is sufficiently large, adds 51 spray water mist of atomizer, temperature is down to 300 DEG C of warm areas from 500 DEG C Temperature fall time control within 1s.Flue gas after cooling is discharged to second level exchanger A10 from cooling chamber's air outlet 54.

The hot air outlet of the second level exchanger A10 is connect with dual firing chamber A7；The flue gas being discharged from second level exchanger A10 It is sent into after wet type desulphurization device A12 carries out desulfurization and passes through chimney A13 outlet；Or pass through chimney after being sent into cloth envelop collector A11 purification A13 outlet.

Three, the lime-ash dust treatment system includes ash-discharging device, ash sorting device and grey slag crushing device；Unload grey dress It is set to lime-ash transport vehicle, sieve can be used in ash sorting device, and common lime-ash crusher can be used in grey slag crushing device.Lime-ash from Incinerator cinder-discharging port 40 is transported to ash sorting device into lime-ash transport vehicle and carries out sorting process, and sorted lime-ash is finally City is made as using water mud solidification method to build with expected component processed of water mud etc..Ash-discharging device, ash sorting device and lime-ash Crushing device is separately connected deduster.

Consumer waste incineration system of the invention is to construct by being compressed to crush, drying, integrate incinerator, dual firing chamber, level-one Six major subsystems composition such as heat exchanger, rapid cooling room, two-stage heat exchanger is with smoke gas treatment and cost control The consumer waste incineration system of target.Under system structure effect, each subsystem (process) is mutually indepedent to be interacted mutually again It relies on, constitutes an organic whole, highlight overall goals.As shown in figure 11, system operation is mainly implemented from following procedure:

1, the rubbish of the garbage storage tank is dosed into the system of being compressed to crush by the crawl of material grasping bucket and is compressed to crush, then It is sent into drying system drying by transportation system, garbage-compressing is broken to be reduced msw water content and be crushed sufficiently, can be effectively improved The hot wind of the effect and efficiency of drying, baking needed is provided by level-one heat exchanger.The smelly heat steam that drying course generates imports Combustion air of the burning chamber of integrated incinerator as the process that burns.

2, at dry loose condition (of surface) after rubbish drying, the rubbish after drying system drying is sent into the vaporizer of integrated incinerator In strengthen drying or charing, the rubbish for strengthening drying or charing enters the burning chamber of integrated incinerator and burns.Needed for gasification Thermal energy by burn process generation thermal energy provide, gasification generate fuel gas import dual firing chamber.Rubbish after gasification Charcoal is discharged into burning chamber and burns, and combustion air needed for burning process is provided by the smelly heat steam that drying course generates, and burns process The flue gas of generation imports dual firing chamber.The lime-ash for burning process generation is sorted, it is broken after resource utilization.

3, the flue gas and the hot-air after the exchange of second level exchanger of vaporizer generates fuel gas and burning chamber's generation Dual firing chamber's burning purification is imported by respective channel respectively, control 850 DEG C of high temperature of implementation or more under 3T+E environmental condition is fired Burning-outization and cracking dioxin.850 DEG C or more of the high-temperature flue gas that dual firing chamber generates imports level-one heat exchanger and carries out heat exchange.

4,850 DEG C or more of high-temperature flue gas imports level-one heat exchanger, and temperature is down to 500 DEG C, heat exchange generate 600 DEG C with Upper hot wind is supplied to rubbish drying course, the heat source as drying rubbish.

5,500 DEG C of flue gases of level-one heat exchanger discharge, are down to 300 DEG C of warm areas from 500 DEG C through rapid cooling room temperature Temperature fall time controls within 1s；300 DEG C of flue gas of rapid cooling room discharge.

6,300 DEG C of flue gas of rapid cooling room discharge enters two-stage heat exchanger progress heat exchange, drops flue-gas temperature To 160 DEG C hereinafter, the hot wind generated provides dual firing chamber as combustion air.It is de- that the flue gas of second level exchanger discharge is re-fed into wet type Sulphur device passes through chimney outlet after carrying out desulfurization；Or pass through chimney outlet after being sent into cloth bag purification.

Method of the invention, control administer dioxin pollution object in flue gas and use prevention and control for first, passively improvement is Principle afterwards, Control Measure are implemented from four critical process:

1, control refuse breaking drying: the characteristic that implementation is classified and moisture content is excessively high is failed according to China's house refuse, first Refuse breaking is squeezed out into partial moisture and is dried into dry loose condition (of surface), is that quickly abundant completely burned carries out basis to rubbish.

2, control rubbish burns process；Substantially the vaporizer that the rubbish dried puts into integrated incinerator is gasified, so The combustion chamber for putting into integration furnace again afterwards is burnt.Can control rubbish quickly sufficiently to burn, burn temperature control at 705 DEG C hereinafter, To which effective prevention and control incineration firing process does not generate or generates less dioxin pollution object.

3, smoke combustion purification process is controlled: the flue gas and second level that the fuel gas and burning chamber that vaporizer generates generate Hot-air after exchanger exchange imports dual firing chamber by respective channel respectively, easily controllable to reach 850 DEG C or more high temperature for cigarette Gas burning purification, cracks dioxin, so that the flue gas of effectively prevention and control dual firing chamber discharge does not contain or seldom contain dioxin Class harmful substance.

4, it controls the time of flue gas cooling procedure: 850 DEG C of high-temperature flue gas that dual firing chamber is discharged first is mentioned through level-one heat exchange 500 DEG C are down to after taking heat, then shortens flue gas as far as possible in the residence time of 500-300 DEG C of humidity province, using flue-gas temperature urgency Drop controls within 1s or even shorter time, then extracting heat through second level heat exchange makes flue gas be down to 160 DEG C hereinafter, to effectively Dioxin re-generates in prevention and control flue gas cooling procedure.

The measure passively administered after being in the method for the present invention is: if also containing minute quantity by Control Measure flue gas Dioxin-like chemical, then discharged again using Bag filter.Bag filter measure only alternately measure.

Claims (8)

1. a kind of consumer waste incineration system of prevention and control flue gas pollutant, it is characterised in that: including garbage storage tank, compression Crushing system, transportation system, drying system, integrated incinerator, dual firing chamber, level-one heat exchanger, rapid cooling room, second level heat are handed over Parallel operation and flue gas desulfurization device；

Material grasping bucket is installed, material grasping bucket crawl rubbish is dosed into the system of being compressed to crush, is compressed to crush above the garbage storage tank System connects transportation system, and transportation system connects drying system, and the rubbish discharge port of drying system connects the rubbish of integrated incinerator Rubbish feed inlet, the air outlet of drying system connect the air intake vent of integrated incinerator, integrate fuel gas outlet and the cigarette of incinerator Gas discharge outlet passes through respective channel connection dual firing chamber respectively, and dual firing chamber's smoke outlet is connect with level-one heat-exchanger pipeline, level-one Heat exchanger, rapid cooling room, two-stage heat exchanger and flue gas desulfurization device sequentially connect；The hot air outlet of level-one heat exchanger The air inlet of drying system is connected, the hot air outlet pipeline of two-stage heat exchanger connects dual firing chamber.

2. a kind of consumer waste incineration system of prevention and control flue gas pollutant as described in claim 1, it is characterised in that: also Including lime-ash dust treatment system, the lime-ash dust treatment system includes that ash-discharging device, ash sorting device and lime-ash are broken Device；The cinder-discharging port of the integrated incinerator connects ash-discharging device, and ash-discharging device connects ash sorting device, ash sorting device Grey slag crushing device is connected, ash-discharging device, ash sorting device and grey slag crushing device are separately connected deduster.

3. a kind of consumer waste incineration system of prevention and control flue gas pollutant as described in claim 1, it is characterised in that: institute State the system of being compressed to crush, including transverse hydraulic propeller, vertical hydraulic pusher, quantitative refuse hopper, garbage feeding channel, multistage Pressure channel, section cutting machine, axially cutting machine, radial cut cutting mill, outlet of sewer and sewage conduct；

Transverse hydraulic propeller connects the transverse port in garbage feeding channel, vertical hydraulic pusher connection garbage feeding channel Vertical port, garbage feeding channel roof are open and connect the outlet at bottom of quantitative refuse hopper, and the connection of garbage feeding channel is multistage Chopped-off head pressure channel in pressure channel；The multi-stage compression channel is the integrated molding pipeline that caliber reduces step by step, final stage Pressure channel is successively arranged section cutting machine, axially cutting machine and radial cut cutting mill, and final stage pressure channel connects equipped with outlet of sewer Connect sewage conduct.

4. a kind of consumer waste incineration system of prevention and control flue gas pollutant as claimed in claim 3, it is characterised in that: institute Stating section cutting machine includes screw elevator, and screw elevator is driven by first motor；It is equipped with and can revolve at the top of screw elevator The section cutter plate turned, section cutter plate connect the second motor, and the final stage pressure channel is equipped with section cutting seam, described Section cutter plate can pass through section cutting seam up and down and carry out the cutting of section formula to the rubbish in final stage pressure channel；

The axially cutting machine includes axially cutting cutterhead, and the final stage pressure channel is along axially cutting seam is axially arranged with, axially Cutter plate is removably secured in axially cutting seam, and axially cutting cutterhead connects third motor；

The radial cut cutting mill includes radial cuts cutterhead, and the final stage pressure channel is equipped with radial cut slot in the horizontal direction, Radial cuts cutterhead is removably secured in radial cut slot, and radial cuts cutterhead connects the 4th motor.

5. a kind of consumer waste incineration system of prevention and control flue gas pollutant as described in claim 1, it is characterised in that: institute Stating drying system is roller dryer, the structure of the dryer are as follows: roller drying device is located in baking zone, roller drying device Transportation system discharge port is connected equipped with dryer feeding mouth, roller drying device is equipped with dryer discharge port and connects integrated incinerator Garbage inlet；Baking zone both ends are respectively equipped with dryer air inlet and dryer air outlet, and dryer air inlet connects level-one The hot air outlet of heat exchanger, dryer air outlet connect incinerator air intake vent, and roller drying device connects the 5th motor.

6. a kind of consumer waste incineration system of prevention and control flue gas pollutant as described in claim 1, it is characterised in that: institute Integrated incinerator to be stated, burning chamber is set in furnace, flue gas emission mouth is opened up at the top of burning chamber, burning chamber lower part is waste incineration area, Multiple vaporizers are laid on burning chamber top respectively, and each vaporizer is enclosed and set by furnace inner wall and fire resisting Heat Conduction Material, each gas Change room to be separated with fire resisting Heat Conduction Material respectively between any two and between each vaporizer and burning chamber；

Each vaporizer is equipped with garbage inlet on corresponding furnace wall and fuel gas exports, garbage inlet connection drying The rubbish discharge port of system, fuel gas outlet connection dual firing chamber；Vaporizer bottom is equipped with vaporizer discharge port and is connected by valve Meet burning chamber；

The burning chamber lower part also offers incinerator air intake vent and incinerator cinder-discharging port, the connection drying of incinerator air intake vent respectively The air outlet of system.

7. a kind of consumer waste incineration system of prevention and control flue gas pollutant as claimed in claim 6, it is characterised in that: institute It states burning chamber top and is additionally provided with biomass carbonated room, biomass carbonated room is enclosed and set by furnace inner wall and fire resisting Heat Conduction Material, institute It states biomass carbonated room and is respectively equipped with biomass feed inlet, charing biomass discharge port and biological fuel gas on corresponding furnace wall Mouth is extracted, the biomass feed inlet and charing biomass discharge port are respectively equipped with machinery valve.

8. a kind of consumer waste incineration system of prevention and control flue gas pollutant as described in claim 1, it is characterised in that: institute It states rapid cooling room two sides and offers cooling chamber's air intake vent and cooling chamber's air outlet respectively, cooling chamber's air intake vent connects level-one heat and hands over Parallel operation, cooling chamber's air outlet connect second level exchanger, are respectively equipped with muti-piece wind deflector and Duo Gen water-supply-pipe, water-supply-pipe in cooling chamber On be separately connected multiple atomizers, water tank is equipped in rapid cooling room, water-supply-pipe connects water tank.