CN203330111U - Municipal waste environment-friendly type recycling cyclic utilization processing system - Google Patents
Municipal waste environment-friendly type recycling cyclic utilization processing system Download PDFInfo
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- CN203330111U CN203330111U CN2013204107761U CN201320410776U CN203330111U CN 203330111 U CN203330111 U CN 203330111U CN 2013204107761 U CN2013204107761 U CN 2013204107761U CN 201320410776 U CN201320410776 U CN 201320410776U CN 203330111 U CN203330111 U CN 203330111U
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Abstract
The utility model relates to a municipal waste environment-friendly type recycling cyclic utilization processing system which comprises a municipal domestic waste processing system, a municipal sludge processing system and a municipal muck processing system. The municipal domestic waste processing system, the municipal sludge processing system and the municipal muck processing system are connected, and the municipal domestic waste processing system comprises a waste processing closed plant, an electric coke catching tower, an environment-friendly brick production closed plant and a tail gas clean-up washing tower. The electric coke catching tower and the tail gas clean-up washing tower are arranged between the waste processing closed plant and the environment-friendly brick production closed plant. Compared with the prior art, the municipal waste environment-friendly type recycling cyclic utilization processing system has the advantages of being short in processing time, enabling the time of the whole process of enabling domestic waste to continuously enter a pyrolyzation destructive distillation gasifier to be only 30 minutes, being good in recycling effect, capable of achieving clean production, beneficial to environmental protection and capable of achieving large-scale continuous production, achieving the whole closing, and having no influence on the surrounding environment.
Description
Technical field
The utility model relates to a kind of urban garbage treatment system, relates in particular to a kind of municipal refuse environment-friendly type resource recycling and utilizes treatment system.
Background technology
Municipal refuse is a difficult problem that is perplexing the mankind always, does not also have up to now most suitable treatment process to be processed it; At present, the treatment process of municipal refuse mainly adopted to following technique: landfill, burning, compost and comprehensive utilization.Landfill belongs to traditional process for treating urban garbage, and be still now the most widely used technique in the whole world, but landfill process has fatal weakness: the resource in land occupation, polluted underground water, rubbish is utilized, and can not thoroughly eliminate refuse pollution; Burning process is a kind of new technology grown up for the weakness of landfill process, and development speed was very fast in recent years; Municipal refuse can be thoroughly eliminated in waste incineration, but municipal refuse finally becomes the dirt of ridge, and its dirt can be used to pave the way, but the waste incineration meeting produces waste gas, contains multiple harmful substances in waste gas, and environment is caused to secondary pollution, and the waste incineration investment is large, running expense is too high; Because garbage compost and comprehensive utilization itself will be classified rubbish could utilize exactly, but because component of refuse is intricate, many house refuses stick together, by methods such as fragmentation, magnetic separation, all it can not be separated well in time, so compost and comprehensive utilization are difficult to obtain practical application.
The utility model content
For solving the problems of the technologies described above, the utility model provide a kind of processing time short, can realize cleaning produce be conducive to environmental protection, municipal refuse environment-friendly type resource recycling that operating cost is low utilizes treatment system.
Municipal refuse environment-friendly type resource recycling of the present utility model utilizes treatment system, comprise connected system for treating municipal solid waste, municipal sludge treatment system, urban dregs treatment system, described system for treating municipal solid waste comprises garbage disposal closed workshop, electric tar tower, environmental protection brick production closed workshop and tail gas clean-up scrubbing tower, and electric tar tower and tail gas clean-up scrubbing tower are arranged on the garbage disposal closed workshop and environmental protection brick is produced between closed workshop.
Further, described garbage disposal closed workshop inside is provided with the rubbish pretreatment storehouse be communicated with in turn, gasifiable destructive distillation rubbish storage silo and pyrogenation and carbonization gasification storehouse and forms, wherein
Rubbish pretreatment storehouse comprises cylinder receiving slit, automatic bag-breaking rotary screen and drying drum, between cylinder receiving slit and automatic bag-breaking rotary screen and between automatic bag-breaking rotary screen and drying drum, is provided with chain type conveyor belt;
Gasifiable destructive distillation rubbish storage silo receives and stores the dried rubbish of drying drum by belt conveyor, be provided with rubbish pickpocket and hydraulic feed machine in gasifiable destructive distillation rubbish storage silo, the rubbish pickpocket is delivered to the rubbish in gasifiable destructive distillation rubbish storage silo in the hydraulic feed machine;
The pyrogenation and carbonization gasification is provided with the pyrogenation and carbonization gasification furnace in storehouse, the pyrogenation and carbonization gasification furnace carries out the pyrogenation and carbonization gasification process by hydraulic feed machine conveying garbage raw material, the inside of pyrogenation and carbonization gasification furnace under be followed successively by dryer section, retort section, carbonization section, gasification section and burning zone.
Further, the dryer section of described pyrogenation and carbonization gasification furnace is connected with the electric tar tower by the epimere air pipe, be provided with the first flashback tank on this epimere air pipe, the bottom of electric tar tower is connected with tar pool by pipeline, tar pool is transferred to the hydraulic feed machine by the tar transfer conduit, be provided with the tar pump on this tar transfer conduit, the burning zone of pyrogenation and carbonization gasification furnace is connected with the second flashback tank by the hypomere air pipe, be provided with cyclone dust collectors on this hypomere air pipe, described electric tar tower is connected with the second flashback tank by pipeline.
Further, described environmental protection brick is produced in closed workshop and from left to right is disposed with brick blank drying kiln, tunnel brick-baking kiln, Automatic brick unloading machine and lifting charging crane, and a side of tunnel brick-baking kiln is provided with kiln car pusher.
Further, described the second flashback tank is connected with the hot gas purification system with the tunnel brick-baking kiln respectively with the power generation gas pipeline by the gas header pipe road, the tunnel brick-baking kiln is connected with drying drum with the brick blank drying kiln by waste heat tail gas pipeline, the gas-purification system is connected with purification artificial fuel gas tank by pipeline, purify the artificial fuel gas pipe and be connected with the fuel gas generation unit by pipeline, the fuel gas generation unit is connected with waste heat tail gas pipeline by pipeline; The hot gas generator group is connected with personal switchgear house by circuit, and personal switchgear house is connected with electrical network with house transformator respectively by cable.
Further, described brick blank drying kiln is connected with the tail gas clean-up scrubbing tower by the exhaust pipe road, and the top of tail gas clean-up scrubbing tower is connected with the settling circulation pond by pipeline, on this pipeline, is provided with water circulating pump.
Further, all be provided with the foul smell aspirating air pipe on the sidewall of the top of described cylinder receiving slit, automatic bag-breaking rotary screen and drying drum and gasifiable destructive distillation rubbish storage silo, the foul smell aspirating air pipe is connected with air blast by pipeline, and air blast is connected with the bottom of pyrogenation and carbonization gasification furnace by pipeline; The below of described automatic bag-breaking rotary screen is provided with rubbish screenings belt conveyor, and the below in pyrogenation and carbonization gasification storehouse is provided with refuse furnace lime-ash belt conveyor.
Further, described municipal sludge treatment system comprises in turn connected wastewater disinfection sedimentation basin, air supporting whizzer, microwave advanced oxidation system, heat pump exchange system and film distillation reactor, the film distillation reactor is connected with concentrate mud with the purification collecting-tank respectively, purifies collecting-tank and is connected with pyrogenation and carbonization gasification furnace, electric tar tower, the second flashback tank and settling circulation pond respectively by pipeline.
Further, described urban dregs treatment system comprises in turn connected urban dregs pretreatment system and urban dregs brick making system; Wherein
The urban dregs pretreatment system comprises that connected in turn dregs receives storehouse, grate and scratch board conveyor, automatic magnetic separation system, jaw crushing dust pelletizing system, hammer crushing shaker systems, mixed material stirring system, the mixed material stirring system by pipeline with purify collecting-tank and be connected, the mixed material stirring system also receives the material that rubbish screenings belt conveyor and refuse furnace lime-ash belt conveyor book are brought;
The urban dregs brick making system comprises in turn connected ageing workshop multi bucket excavator, roller type fine crasher, slat feeder, strong force extruding stirrer, air compressor, vacuum-extruder, numerical control automatic strip-cutting machine, automatic hack cutter, minute base/turn over base marshalling system, automatic setting machine, and the brick blank drying kiln is sent in the adobe that the automatic setting machine code is good is dried.
Further, described hammer crushing shaker systems is connected with the dry mixed mortar stirring system, the dry mixed mortar stirring system comprises in turn connected dry sand system, the lifting of sand material and screening system, silo system, Weighing system and stirring system, and stirring system is connected with finished product storage warehouse, finished product bulk system, packing machine respectively; The dry sand system receives the next heat energy of waste heat tail gas Pipe transfer and carries out the dry sand processing, and stirring system also all is connected with pneumatic system, electrical apparatus control system and dust pelletizing system with Weighing system.
Compared with prior art the beneficial effects of the utility model are:
1, the processing time is short; House refuse enters continuously pyrogenation and carbonization gasification furnace overall process and only needs 30 minutes.
2, resource is effective; When house refuse adopts the pyrogenation and carbonization gasifying process to process, the sorting operation is first by annoying compound, soil part and can not thoroughly classify by vapour; Annoying compound is reduced phlegm and internal heat and is separated the destructive gasifying stove, and the fuel gas of generation forms available gas through purifying (purify, compress); Soil part and can not the brickmaking of vapour inorganic matter, the recycling rate approaches 100%.
3, minimizing is remarkable; After domestic waste adopts the pyrogenation and carbonization gasifying process to process, annoying compound can disposablely subtract to be held more than 85%; Soil part and can not vapour add gasification after lime-ash 100% brickmaking, whole processing technological flow is without landfill, the decrement rate reaches 100%.
4, after former life rubbish directly enters screening, sorting, oven dry, combustible is stacked at dump pit, without oozing the discharge of drop liquid; Process gas purifies, water circulation use, and concentrated sewage is made the brickmaking fresh water (FW), without processing.
5, innoxious thorough; Rubbish only need can complete 100% and kill various harmful bacterias through 30 minutes pyrogenation and carbonization gasification process, removes stink fully.
6, can realize cleaning production and be conducive to environmental protection; In processing technological flow, all production processes are all sealed, and can form cleaner production, and the fuel gas that produces, liquid, waste residue all fully utilize.
7, operating cost is low; Screen residue of waste is processed through the pyrogenation and carbonization gasification process, and the combustible gas of generation forms the available gas pipeline and carries through purification, purification, compression, so operating cost is relatively low.
8, can realize large-scale continuous production and realize totally-enclosedly, not affect surrounding enviroment.
9, process system and equipment are adaptable; The various scales of day disposal of refuse ability one-tenth capable of being combined; Pyrogenation and carbonization gasifying process applicability is wide, and flexible operation can be built single comprehensive garbage disposal factory; But also auxiliary construction brick field and power plant etc.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present utility model is described in further detail.Following examples are used for the utility model is described, but are not used for limiting scope of the present utility model.
As shown in Figure 1, municipal refuse environment-friendly type resource recycling of the present utility model utilizes treatment system, comprise system for treating municipal solid waste 1, municipal sludge treatment system 2, urban dregs treatment system 3, described system for treating municipal solid waste 1 comprises garbage disposal closed workshop 11, electric tar tower 12, environmental protection brick production closed workshop 13 and tail gas clean-up scrubbing tower 14, and electric tar tower 12 and tail gas clean-up scrubbing tower 14 are arranged on garbage disposal closed workshop 11 and environmental protection brick is produced between closed workshop 13.
Described garbage disposal closed workshop 11 inside are provided with the rubbish pretreatment storehouse 111 be communicated with in turn, gasifiable destructive distillation rubbish storage silo 112 and pyrogenation and carbonization gasification storehouse 113 and form, wherein, rubbish pretreatment storehouse 111 comprises cylinder receiving slit 1111, automatic bag-breaking rotary screen 1112 and drying drum 1113, between cylinder receiving slit 1111 and automatic bag-breaking rotary screen 1112 and between automatic bag-breaking rotary screen 1112 and drying drum 1113, is provided with chain type conveyor belt 1114, described gasifiable destructive distillation rubbish storage silo 112 receives and stores the dried rubbish of drying drum 1113 by belt conveyor 114, be provided with rubbish pickpocket 1121 and hydraulic feed machine 1122 in gasifiable destructive distillation rubbish storage silo 112, rubbish pickpocket 1121 is delivered to the rubbish in gasifiable destructive distillation rubbish storage silo 112 in hydraulic feed machine 1122, described pyrogenation and carbonization gasification is provided with pyrogenation and carbonization gasification furnace 1131 in storehouse 113, pyrogenation and carbonization gasification furnace 1131 carries out the pyrogenation and carbonization gasification process by hydraulic feed machine 1122 conveying garbage raw materials, the inside of pyrogenation and carbonization gasification furnace 1131 under be followed successively by dryer section, retort section, carbonization section, gasification section and burning zone, the dryer section of pyrogenation and carbonization gasification furnace 1131 is connected with electric tar tower 12 by epimere air pipe 115, be provided with the first flashback tank 116 on this epimere air pipe 115, the bottom of electric tar tower 12 is connected with tar pool 15 by pipeline, tar pool 15 is transferred to hydraulic feed machine 1122 by tar transfer conduit 16, be provided with tar pump 17 on this tar transfer conduit 16, the burning zone of pyrogenation and carbonization gasification furnace 1131 is connected with the second flashback tank 118 by hypomere air pipe 117, be provided with cyclone dust collectors 119 on this hypomere air pipe 117, described electric tar tower 12 is connected with the second flashback tank 118 by pipeline.
All be provided with foul smell aspirating air pipe 5 on the sidewall of the top of described cylinder receiving slit 1111, automatic bag-breaking rotary screen 1112 and drying drum 1113 and gasifiable destructive distillation rubbish storage silo 112, foul smell aspirating air pipe 5 is connected with air blast 6 by pipeline, and air blast 6 is connected with the bottom of pyrogenation and carbonization gasification furnace 1131 by pipeline; The below of automatic bag-breaking rotary screen 1112 is provided with rubbish screenings belt conveyor 1115, and the below in pyrogenation and carbonization gasification storehouse 113 is provided with refuse furnace lime-ash belt conveyor 1132.
Described environmental protection brick is produced in closed workshop 13 and from left to right is disposed with brick blank drying kiln 131, tunnel brick-baking kiln 132, Automatic brick unloading machine 133 and lifting charging crane 134, and a side of tunnel brick-baking kiln 132 is provided with kiln car pusher 135.
The second flashback tank 118 is connected with hot gas purification system 20 with tunnel brick-baking kiln 132 respectively with power generation gas pipeline 19 by gas header pipe road 18, tunnel brick-baking kiln 132 is connected with drying drum 1113 with brick blank drying kiln 131 by waste heat tail gas pipeline 136, gas-purification system 20 is connected with purification artificial fuel gas tank 21 by pipeline, purify artificial fuel gas pipe 21 and be connected with fuel gas generation unit 22 by pipeline, fuel gas generation unit 22 is connected with waste heat tail gas pipeline 136 by pipeline; Hot gas generator group 22 is connected with personal switchgear house 221 by circuit, and personal switchgear house 221 is connected with electrical network 223 with house transformator 222 respectively by cable.Brick blank drying kiln 131 is connected with tail gas clean-up scrubbing tower 14 by exhaust pipe road 1311, and the top of tail gas clean-up scrubbing tower 14 is connected with settling circulation pond 141 by pipeline, is provided with water circulating pump 142 on this pipeline.
Described municipal sludge treatment system 2 comprises in turn connected wastewater disinfection sedimentation basin 201, air supporting whizzer 202, microwave advanced oxidation system 203, heat pump exchange system 204 and film distillation reactor 205, film distillation reactor 205 is connected with concentrate mud 207 with purification collecting-tank 206 respectively, purifies collecting-tank 206 and is connected with pyrogenation and carbonization gasification furnace 1131, electric tar tower 12, the second flashback tank 118 and settling circulation pond 141 respectively by pipeline.
Described urban dregs treatment system 3 comprises in turn connected urban dregs pretreatment system 31 and urban dregs brick making system 32; Wherein
Urban dregs pretreatment system 31 comprises that connected in turn dregs receives storehouse 311, grate and scratch board conveyor 312, automatic magnetic separation system 313, jaw crushing dust pelletizing system 314, hammer crushing shaker systems 315, mixed material stirring system 316, mixed material stirring system 316 by pipeline with purify collecting-tank 206 and be connected, mixed material stirring system 316 also receives the material that rubbish screenings belt conveyor 1115 and refuse furnace lime-ash belt conveyor 1132 books are brought;
Urban dregs brick making system 32 comprises in turn connected ageing workshop multi bucket excavator 321, roller type fine crasher 322, slat feeder 323, strong force extruding stirrer 324, air compressor 325, vacuum-extruder 326, numerical control automatic strip-cutting machine 327, automatic hack cutter 328, minute base/turn over base marshalling system 329, automatic setting machine 330, and brick blank drying kiln 131 is sent in 330 yards good adobes of automatic setting machine is dried.
Described hammer crushing shaker systems 315 is connected with dry mixed mortar stirring system 4, dry mixed mortar stirring system 4 comprises that in turn connected dry sand system 41, sand material promote and screening system 42, silo system 43, Weighing system 44 and stirring system 45, and stirring system 45 is connected with finished product storage warehouse 46, finished product bulk system 47, packing machine 48 respectively; Dry sand system 41 receives the next heat energy of waste heat tail gas pipeline 136 transmission and carries out the dry sand processing, and stirring system 45 also all is connected with pneumatic system 401, electrical apparatus control system 402 and dust pelletizing system 403 with Weighing system 44.
Pyrogenation and carbonization gasification furnace 1131 can be processed solid material and gaseous state material simultaneously, to the solid material course of work: gasifiable destructive distillation rubbish is transported to hydraulic feed machine 1122 by rubbish pickpocket 1121, hydraulic feed machine 1122 is sent gasifiable destructive distillation rubbish into dryer section (150 ℃), retort section (200 ℃～600 ℃), carbonization section (800 ℃), gasification section, burning zone (1100 ℃), lime-ash section lime-ash transporting bricks field mix and blend; To the gaseous state material: the gaseous state material enters the first flashback tank 116 through epimere feed channel 115 and filters, and is transferred to electric tar tower 12 after filtration, and the gaseous state material after electric tar tower 12 is processed mixes with the gas in hypomere feed channel 117 entering the second flashback tank 118; Gas in hypomere feed channel 117 is got rid of from pyrogenation and carbonization gasification furnace 1131 except travel fatigue device 119 by revolving, and enters the second flashback tank 118 and mix with epimere feed channel gas 115; The rear gas of mixing purification enters tunnel brick-baking kiln 132 and bakes bricks; Mix Purge gas and also enter fuel gas generation unit 19 combustion power generations; Electric current distributes each system electricity consumption of plant area by personal Allocation transformer chamber 191 and power transformation device distribution box, and remaining electricity networks;
The tail gas of tunnel brick-baking kiln 132 dry rubbish, for brick blank drying kiln 131, dry adobes for drying drum 1113; The tail gas of brick blank drying kiln 131 is through tail gas clean-up scrubbing tower 14, steam qualified discharge; Tunnel brick-baking kiln 132 produces hot water can or carry mix and blend for plant area's heating after cooling tower is cooling.
With oozing drop liquid, process wastewater disinfection sedimentation basin 201, air supporting whizzer 202, microwave advanced oxidation system 203, Heat Pump exchange system 204, film distillation reactor 205, purification collecting-tank 206 enter mixed material stirring system 316 to the municipal sewage pipeline successively; Moisturizing enters the waters such as pyrogenation and carbonization gasification furnace 1131, electric tar tower 12, the second flashback tank 118 and settling circulation pond 141; Concentrate mud enters mixed material stirring system 316.
Pyrogenation and carbonization gasification furnace 1131 is to utilize the house refuse organic matter to realize the principle of drying, destructive distillation, carbonization and gasification at the different levels temperature, and the annoying compound of house refuse is processed.The process of pyrogenation and carbonization gasification: pyrogenation and carbonization gasification furnace 1131 4h that lights a fire first, after cultivating fire bed, can drop into commencement of commercial operation; But the pyrogenation and carbonization gasification is burning and reduction process under state of a control: in the garbage feeding bucket, rubbish pushes pyrogenation and carbonization gasification furnace 1131 through hydraulic feed machine 1122, enter dryer section, at first the pyrolysis contacts fuel gas that in rubbish, organic combustibles such as leaf, dish leaf, wooden thing, plastic, rubber packing material, waste paper, cloth are 150 ℃ of scopes with temperature in the decline process, slough attached water, steam, discharge out of the furnace with the pyrolysis combustion gas; Dried rubbish combustible enters retort section, under the scorching hot combustion gas baking of temperature up to 200～650 ℃ come in the rising of partial reaction section, dry distillation reactor occurs, produce chlorine CI Element generation hydrogen chloride (HCl) gas, sulphur (S) Element generation hydrogen sulfide (H2S) gas in the materials such as alkanes (CmHm), carbon monoxide (CO), plastic, rubber, also discharge from upper of furnace body; Rubbish main component after destructive distillation is carbonaceous and a small amount of clay class noncombustibles, enter again charing and conversion zone, under 1100 ℃～1200 ℃ high temperature, by the steam effect, redox reaction occurs, generate the flammable water-gas such as carbon monoxide (CO), hydrogen (H2), discharge from the stove middle part; Charing and gasification section redox reaction equation are as follows:
C+O2＝CO2+408840kj/kmol
2C+O2＝2CO+123217kj/kmol
CO2+C＝2CO-162405kj/kmol
C+H2O＝CO+H2-118821kj/kmol
C+2H2O＝CO2+2H2-75237kj/kmol
After water vapour enters fire bed, the one, adjusting furnace temperature, the 2nd, produce H2, complete pyrogenation and carbonization gasification overall process.
Pyrogenation and carbonization gasification continuous operation process realizes that by pyrogenation and carbonization gasification furnace 1131 deslagginves the bed bed of material is more folded continuously, and deslagging speed can be adjusted pyrogenation and carbonization gasification furnace 1131 feeding coals and gas production.
Air blast 6 inlet scoops are positioned at dump pit top, gather air in dump pit, make it to form micro-negative pressure, prevent that stink is to outdoor diffusion.Air blast 6 outlets connect pyrogenation and carbonization gasification furnace 1131, to pyrolysis destructive gasifying stove 1131 air inlet supply air-breathings, can establish apparatus for measuring air quantity, volume damper etc. on pipeline and control the gasification air quantity respectively.
The dryer section of pyrogenation and carbonization gasification furnace 1131 and retort section can be set up respectively fuel gas and be drawn the mouth of pipe.The dryer section combustible gas is first through the first flashback tank 116, then, through electrical tar precipitator 12, the tar under removing flows into tar pool 13, and the combustible gas that removes tar removing enters the second flashback tank 118.The retort section combustible gas is first by after dry whirlwind type dust cleaner 119 dedustings, and the combustible gas of processing with dryer section mixes and delivers to the brick field at the second flashback tank 118, as the tunnel cave fuel of baking bricks.
Pyrogenation and carbonization gasification furnace 1131 charing sections and gasification section can be set up the cooling water jacket, and the refrigerant that cools is demineralized water, and demineralized water is after the high-temperature combustible gas heating, and part produces hot water, supplies the bathroom domestic water, and part becomes steam, for gasification section, produces water-gas.
Dry sand system 41, sand material promote and screening system 42, silo system 43, Weighing system 44 and stirring system 45, stirring system 45 respectively with finished product storage warehouse 46, finished product bulk system 47, packing machine 48
Dry sand system 41 adopts fluidized bed furnace to dry the sand material in Drying, and fluidized bed furnace can bring up to 98% by the burnout rate of coal grain, and the thermal efficiency reaches 96%, the oven dry amount of sand material can be brought up to 30%, installed power and Reducing Coal Consumption 10%; Sand material after oven dry is delivered to the sand material and promotes and screening system 42, and the sand material that particle diameter is equal to or less than to 5mm is sent into 43 storages of silo system; Before the sand material enters stirring system 45, need reach fluidized state by the sand material in elephant trunk through the Pneumatic floating sheet of Weighing system 44, then realize thick, smart second weighing through the large small butterfly valve of two butterfly valve MEASUREMENT SYSTEM CONTROL of weighing system 44, guarantee the precision of sand material weighing; The finished product that stirring system 45 is made is delivered to finished product storage warehouse 46, finished product bulk system 47 or packing machine 48; Dust pelletizing system 403 can be bundled into the production scene cleanliness without any pollution.
During specific works, domestic waste transports garbage disposal closed workshop 11 to by garbage truck, be poured into cylinder receiving slit 1111, and flow to automatic bag-breaking rotary screen 1112 by chain type conveyor belt 1114, the combustiblerefuse sieved out is delivered to drying drum 1113 and dries into 112 stocking and storing of gasifiable destructive distillation rubbish storage silo, stand-by.The lower dregs of sieve is transported to mixed material stirring system 316, and whole process is moved under closed state.After ℃ sterilization of combustiblerefuse drying to 100, remove portion stink, stocking and storing, can not ferment, and can not produce a large amount of stenches yet.
After dry combustiblerefuse enters the pyrogenation and carbonization gasification furnace, then carry out the processing such as drying, destructive distillation, carbonization and gasification.In retort process in anaerobic condition, can fully contain dioxin, encircle hydrocarbon the materials such as (PAtt) and aldehydes produce more, also odorless γ-ray emission, and the sulphur in rubbish and oxygen are also mainly with the form slagging of compound, and small part forms SO2 and HCI.
The generation approach of dioxin: the molecular structure of dioxin is by 1 or 2 phenyl ring that replaced by chlorine of 2 oxygen atoms connections, 1 oxygen atom be called polychlorinated dibenzo (PCDF), the polychlorinated dibenzo-2 that is called of 2 oxygen atom connections is disliked English (PCDF), the general designation dioxin.Dioxin mainly generates approach, from the molecular structure of dioxin, can find out, oxygen element exists and the generation of dioxin predecessor is the primary condition that dioxin generates.The dioxin predecessor means the material close with structures such as chlorophenol, chlorobenzene, PCB.
House refuse is in burning process, and mainly generation approach of dioxin has two kinds:
1, chlorinated organics in burning process, how at 300～500 ℃ of environment, because of imperfect combustion, causes rearrangement, free radical condensation, dechlorination or other chemical reaction processes to generate as Polychlorinated biphenyls, pentachlorophenol, polyvinyl chloride etc.Comprise: the basic structure that chloride can destroy aromatic compound is combined and is impelled generation with the timber the like waste.Aromatic series (as toluene, benzene) compound or PCB be chemical combination or decomposition generation dioxin under hot conditions.In the solid waste burning process, be mainly due to simple substance, mostly is the chlorine elements that exist with compound form, under the conditions such as uniform temperature, by chemical reaction, generates dioxin.In garbage incinerating system, dioxin generates order of magnitude 10-9～10-11g/Nm3, and 200～500 ℃ are easier to occur regeneration.
2, burn insufficient and produce too much uncombusted material in flue gas, at the temperature of the catalytic specie such as copper and 300～500 ℃, the dioxin decomposed in high-temp combustion will regeneration.Therefore, consumer waste incineration, must the configuration smoke eliminator.Be provided with reaction tower, active carbon interpolation and bag-type dust collector etc.
In pyrogenation and carbonization gasification of the present utility model, fully in anaerobic condition, low temperature drying, destructive distillation organic matter, be carbonized after the generation fuel gas.Then carry out redox reaction with oxygen and steam under the condition of high temperature and generate water-gas, do not belong to rubbish and directly burn, therefore dodged the environmental condition of dioxin generation approach, can contain that dioxin-like chemical generates.Fuel gas purifies takes electrical tar precipitator 12, cyclone dust collectors 119 to process.Combustible gas dustiness<500mg/Nm3 after purification.Fuel gas after purification is as Zhuan Chang tunnel brick-baking kiln 132 fuel of baking bricks, and the high-temperature flue gas of generation, for brick blank drying be used further to drying drum 1113 and dry combustiblerefuses.It is 1700m3/h that drying drum 1113 is dried exhaust gas volumn, and the flue gas of discharge enters atmosphere after spray tower depickling depositing dust, cooling.Spray column adopts the alkalies spray, and deacidification efficiency is 75%, and efficiency of dust collection is 90%, can reach the requirement of environment to concentration of emission.Spray column waste water flows into ash settling basin, by water pump, recycles, and does not efflux.In spray column aiutage fume emission inner tube smoke, dioxins concentration is 0.023～0.029ngTEQ/Nm3, and mean value is 0.026ngTEQ/Nm3, lower than the international standard of 0.1ngTEQ/Nm3.
The rubbish of living enters pyrogenation and carbonization gasification furnace 1131 overall processes continuously only needs 30 minutes.Treatment process can realize that scale is produced continuously, totally-enclosed production, can not affect surrounding enviroment.The various scales of day disposal of refuse ability one-tenth capable of being combined; Pyrogenation and carbonization evaporating method technique applicability is wide, flexible operation, and small investment, the automatic and mechanical level of control is higher; Simultaneously, without the slag and effluent discharge, innoxious thorough, improve urban ecological environment; Without the chimney stalk discharge, reduce atmosphere pollution, the control of dioxins level is better than European Union's standard more than 70%; Organic matter becomes combustion gas, inorganic matter brickmaking, and the residual heat recovery of baking bricks, promote recycling economy development; Automatic garbage classification, alleviate government's pressure, need not bother the common people, reduces social labor, reduces social cost, promotes social harmony; Fuel gas generation is automatic 1/3, and all the other input electrical network, realizes garbage disposal " zero energy consumption "; The garbage substance form is all subdued, 24 hours continuous operations, and the same day, rubbish was processed the same day, and energy resource decrement rate reaches 100%; Land occupation is few, and without landfill, " putting things right once and for all ", save land resources; Make up the china natural resources deficiency, meet the energy-saving and emission-reduction policy, realize renewable resource utilization, promote socio-economic development; The unit combination design, adapt to the different disposal scale.
The above is only preferred embodiment of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (10)
1. a municipal refuse environment-friendly type resource recycling utilizes treatment system, comprise connected system for treating municipal solid waste, municipal sludge treatment system, urban dregs treatment system, it is characterized in that, described system for treating municipal solid waste comprises garbage disposal closed workshop, electric tar tower, environmental protection brick production closed workshop and tail gas clean-up scrubbing tower, and electric tar tower and tail gas clean-up scrubbing tower are arranged on the garbage disposal closed workshop and environmental protection brick is produced between closed workshop.
2. municipal refuse environment-friendly type resource recycling as claimed in claim 1 utilizes treatment system, it is characterized in that, described garbage disposal closed workshop inside is provided with the rubbish pretreatment storehouse be communicated with in turn, gasifiable destructive distillation rubbish storage silo and pyrogenation and carbonization gasification storehouse and forms, wherein
Rubbish pretreatment storehouse comprises cylinder receiving slit, automatic bag-breaking rotary screen and drying drum, between cylinder receiving slit and automatic bag-breaking rotary screen and between automatic bag-breaking rotary screen and drying drum, is provided with chain type conveyor belt;
Gasifiable destructive distillation rubbish storage silo receives and stores the dried rubbish of drying drum by belt conveyor, be provided with rubbish pickpocket and hydraulic feed machine in gasifiable destructive distillation rubbish storage silo, the rubbish pickpocket is delivered to the rubbish in gasifiable destructive distillation rubbish storage silo in the hydraulic feed machine;
The pyrogenation and carbonization gasification is provided with the pyrogenation and carbonization gasification furnace in storehouse, the pyrogenation and carbonization gasification furnace carries out the pyrogenation and carbonization gasification process by hydraulic feed machine conveying garbage raw material, the inside of pyrogenation and carbonization gasification furnace under be followed successively by dryer section, retort section, carbonization section, gasification section and burning zone.
3. municipal refuse environment-friendly type resource recycling as claimed in claim 2 utilizes treatment system, it is characterized in that, the dryer section of described pyrogenation and carbonization gasification furnace is connected with the electric tar tower by the epimere air pipe, be provided with the first flashback tank on this epimere air pipe, the bottom of electric tar tower is connected with tar pool by pipeline, tar pool is transferred to the hydraulic feed machine by the tar transfer conduit, be provided with the tar pump on this tar transfer conduit, the burning zone of pyrogenation and carbonization gasification furnace is connected with the second flashback tank by the hypomere air pipe, be provided with cyclone dust collectors on this hypomere air pipe, described electric tar tower is connected with the second flashback tank by pipeline.
4. municipal refuse environment-friendly type resource recycling as claimed in claim 3 utilizes treatment system, it is characterized in that, described environmental protection brick is produced in closed workshop and from left to right is disposed with brick blank drying kiln, tunnel brick-baking kiln, Automatic brick unloading machine and lifting charging crane, and a side of tunnel brick-baking kiln is provided with kiln car pusher.
5. municipal refuse environment-friendly type resource recycling as claimed in claim 4 utilizes treatment system, it is characterized in that, described the second flashback tank is connected with the hot gas purification system with the tunnel brick-baking kiln respectively with the power generation gas pipeline by the gas header pipe road, the tunnel brick-baking kiln is connected with drying drum with the brick blank drying kiln by waste heat tail gas pipeline, the gas-purification system is connected with purification artificial fuel gas tank by pipeline, purify the artificial fuel gas pipe and be connected with the fuel gas generation unit by pipeline, the fuel gas generation unit is connected with waste heat tail gas pipeline by pipeline; The hot gas generator group is connected with personal switchgear house by circuit, and personal switchgear house is connected with electrical network with house transformator respectively by cable.
6. municipal refuse environment-friendly type resource recycling as claimed in claim 5 utilizes treatment system, it is characterized in that, described brick blank drying kiln is connected with the tail gas clean-up scrubbing tower by the exhaust pipe road, the top of tail gas clean-up scrubbing tower is connected with the settling circulation pond by pipeline, on this pipeline, is provided with water circulating pump.
7. municipal refuse environment-friendly type resource recycling as claimed in claim 6 utilizes treatment system, it is characterized in that, all be provided with the foul smell aspirating air pipe on the sidewall of the top of described cylinder receiving slit, automatic bag-breaking rotary screen and drying drum and gasifiable destructive distillation rubbish storage silo, the foul smell aspirating air pipe is connected with air blast by pipeline, and air blast is connected with the bottom of pyrogenation and carbonization gasification furnace by pipeline; The below of described automatic bag-breaking rotary screen is provided with rubbish screenings belt conveyor, and the below in pyrogenation and carbonization gasification storehouse is provided with refuse furnace lime-ash belt conveyor.
8. municipal refuse environment-friendly type resource recycling as claimed in claim 1 utilizes treatment system, it is characterized in that, described municipal sludge treatment system comprises in turn connected wastewater disinfection sedimentation basin, air supporting whizzer, microwave advanced oxidation system, heat pump exchange system and film distillation reactor, the film distillation reactor is connected with concentrate mud with the purification collecting-tank respectively, purifies collecting-tank and is connected with pyrogenation and carbonization gasification furnace, electric tar tower, the second flashback tank and settling circulation pond respectively by pipeline.
9. municipal refuse environment-friendly type resource recycling as claimed in claim 1 utilizes treatment system, it is characterized in that, described urban dregs treatment system comprises in turn connected urban dregs pretreatment system and urban dregs brick making system; Wherein
The urban dregs pretreatment system comprises that connected in turn dregs receives storehouse, grate and scratch board conveyor, automatic magnetic separation system, jaw crushing dust pelletizing system, hammer crushing shaker systems, mixed material stirring system, the mixed material stirring system by pipeline with purify collecting-tank and be connected, the mixed material stirring system also receives the material that rubbish screenings belt conveyor and refuse furnace lime-ash belt conveyor book are brought;
The urban dregs brick making system comprises in turn connected ageing workshop multi bucket excavator, roller type fine crasher, slat feeder, strong force extruding stirrer, air compressor, vacuum-extruder, numerical control automatic strip-cutting machine, automatic hack cutter, minute base/turn over base marshalling system, automatic setting machine, and the brick blank drying kiln is sent in the adobe that the automatic setting machine code is good is dried.
10. municipal refuse environment-friendly type resource recycling as claimed in claim 1 utilizes treatment system, it is characterized in that, described hammer crushing shaker systems is connected with the dry mixed mortar stirring system, the dry mixed mortar stirring system comprises in turn connected dry sand system, the lifting of sand material and screening system, silo system, Weighing system and stirring system, and stirring system is connected with finished product storage warehouse, finished product bulk system, packing machine respectively; The dry sand system receives the next heat energy of waste heat tail gas Pipe transfer and carries out the dry sand processing, and stirring system also all is connected with pneumatic system, electrical apparatus control system and dust pelletizing system with Weighing system.
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| CN2013204107761U CN203330111U (en) | 2013-07-11 | 2013-07-11 | Municipal waste environment-friendly type recycling cyclic utilization processing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211271A (en) * | 2014-07-30 | 2014-12-17 | 浙江德谦节能科技有限公司 | Two-section sludge gas-generating treatment method and two-section sludge gas-generating treatment device |
| CN106493148A (en) * | 2016-10-21 | 2017-03-15 | 上海蓝州环保科技有限公司 | A kind of solid organic castoff gasification and melting circulating disposal process |
| CN106833694A (en) * | 2017-03-29 | 2017-06-13 | 攀枝花市银江金勇工贸有限责任公司 | A kind of town and country lightweight discarded object destructive distillation carbonization treatment system |
| CN107486314A (en) * | 2017-09-26 | 2017-12-19 | 北京工业大学 | Garbage as resource Processing Equipment system |
| CN108277028A (en) * | 2018-02-09 | 2018-07-13 | 李足 | A kind of high temperature garbage dry vacuum distillation axe |
| CN110895097A (en) * | 2019-12-03 | 2020-03-20 | 中城绿建科技有限公司 | Method for controlling and drying garbage by using pyrolysis combustible gas combustion or waste heat of generator set |
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2013
- 2013-07-11 CN CN2013204107761U patent/CN203330111U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211271A (en) * | 2014-07-30 | 2014-12-17 | 浙江德谦节能科技有限公司 | Two-section sludge gas-generating treatment method and two-section sludge gas-generating treatment device |
| CN104211271B (en) * | 2014-07-30 | 2016-05-18 | 浙江德谦节能科技有限公司 | A kind of two-period form mud gasification processing method and treating apparatus |
| CN106493148A (en) * | 2016-10-21 | 2017-03-15 | 上海蓝州环保科技有限公司 | A kind of solid organic castoff gasification and melting circulating disposal process |
| CN106833694A (en) * | 2017-03-29 | 2017-06-13 | 攀枝花市银江金勇工贸有限责任公司 | A kind of town and country lightweight discarded object destructive distillation carbonization treatment system |
| CN107486314A (en) * | 2017-09-26 | 2017-12-19 | 北京工业大学 | Garbage as resource Processing Equipment system |
| CN108277028A (en) * | 2018-02-09 | 2018-07-13 | 李足 | A kind of high temperature garbage dry vacuum distillation axe |
| CN110895097A (en) * | 2019-12-03 | 2020-03-20 | 中城绿建科技有限公司 | Method for controlling and drying garbage by using pyrolysis combustible gas combustion or waste heat of generator set |
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