CN106090935B - A kind of waste incineration processing system - Google Patents

A kind of waste incineration processing system Download PDF

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Publication number
CN106090935B
CN106090935B CN201610463180.6A CN201610463180A CN106090935B CN 106090935 B CN106090935 B CN 106090935B CN 201610463180 A CN201610463180 A CN 201610463180A CN 106090935 B CN106090935 B CN 106090935B
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CN
China
Prior art keywords
incinerator
furnace chamber
waste incineration
incineration processing
air
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CN201610463180.6A
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Chinese (zh)
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CN106090935A (en
Inventor
高博
曾毅夫
叶明强
刘胜强
贺长江
何剑雄
尹涛
何淼
黄安涛
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Aerospace Kay Environmental Polytron Technologies Inc
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Aerospace Kay Environmental Polytron Technologies Inc
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Publication of CN106090935A publication Critical patent/CN106090935A/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/24Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • F23J15/025Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow using filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids

Abstract

The invention discloses a kind of waste incineration processing system, including incinerator, incinerator has furnace chamber, and normally closed feed hopper is equipped at the top of furnace chamber, and fixed grate and shoot door is arranged in bottom;It is connect with injection air hose by several nozzles inside the furnace chamber of incinerator, air is passed through into furnace chamber, while being additionally provided with exhanst gas outlet inside furnace chamber;The exhanst gas outlet of waste incinerator is connected deduster, extracting tower, deentrainment tower, activated carbon case and geobiont filter by smoke pipe, and air-introduced machine is arranged on smoke pipe, and vacuum suction is formed to the furnace chamber inside smoke of incinerator.Chimney arch is set in incinerator, for rubbish to be broken up, uniformly, drying, it is ensured that rubbish fully burns, and nozzle air inlet is used in stove, make the air in stove that turbulent flow occur, it avoids high-temperature flue gas from directly being taken away, ensures furnace high-temperature, be conducive to the decomposition of toxic and harmful gas, harmful smoke passes through tail gas clean-up, deep purifying flue gas, purification efficiency is high, and operating cost is low.

Description

A kind of waste incineration processing system
Technical field
The invention belongs to incineration treatment of garbage technologies, are related to a kind of waste incineration processing system, and in particular to a kind of collection rubbish Rubbish incinerator and gas cleaning are in the continuous system of one.
Technical background
Currently, having become the environmental problem for being most badly in need of solving, house refuse solution in remote residents in rural community problem Certainly also it is increasingly difficult to.The house refuse of villager mostly selects direct open incineration, and the flue gas after burning is straight without any subsequent processing Run in and put, causes serious atmosphere pollution.Especially burning process does not carry out system processing, and many times incineration firing is not The increase of pernicious gas can fully be caused, the toxic and harmful gas that the incineration firings of some chemical products will produce seriously affects The environmental quality on periphery, especially bioxin, SO2Harm bigger, can directly jeopardize the physical and mental health of the people.Therefore, exist It is particularly important that a kind of burning disposal equipment with low operating cost and efficient flue gas purification system is promoted in rural area.
Invention content
Present invention solves the technical problem that being:Flue gas emission is asked caused by directly burning away the refuse for current rural area Topic provides the system that a kind of harmful smoke for making rubbish fully burn and burning generation passes through tail gas clean-up, purifies simultaneously Efficient, operating cost is low.
The present invention adopts the following technical scheme that realization,
A kind of waste incineration processing system, including incinerator, the incinerator have furnace chamber, are equipped at the top of the furnace chamber normal Fixed grate and shoot door is arranged in the feed hopper closed, bottom;Pass through several nozzles and injection wind inside the furnace chamber of the incinerator Pipe connects, and air is passed through into furnace chamber, while exhanst gas outlet is additionally provided with inside furnace chamber;
The exhanst gas outlet of the waste incinerator is by smoke pipe by deduster, extracting tower, deentrainment tower, activated carbon case and soil Earth biofilter is connected, and air-introduced machine is being arranged on the smoke pipe, and forming negative pressure to the furnace chamber inside smoke of incinerator inhales Draw.
Further, setting material stock storehouse, the feed hopper are set to material stock the top of the warehouse at the top of the furnace chamber of the incinerator;
It is respectively equipped with feeding gate between the feed hopper and material stock storehouse and between material stock storehouse and incinerator furnace chamber.
Further, the feeding gate keeps normally off by adjustable counterweight, and heap garbage, passes through rubbish thereon Dead weight feeding gate is opened.
Further, the injection air hose is annular, and fixed be sticked is burning furnace outer wall, and all nozzles are covered, and leads to Blower inlet is crossed with air blower to be connected;The nozzle is embedded in incinerator inner wall, by the injection air hose and incinerator of annular Inner cavity is connected to.
Further, the incinerator lower part is arranged to ash bucket, and the fixed grate is set to the bottom of ash bucket, the ash Chimney arch is arranged in the top of bucket, and the rubbish of whereabouts is disperseed.
Further, the chimney arch is made of several fire resisting bars, domed setting, and frame shape is arranged on the top of arch Channel.
In the present invention, the exhanst gas outlet is arranged along the tangential direction of incinerator furnace chamber.
Further, the deduster is using one kind in cyclone dust collectors, electrostatic precipitator, bag filter.
Further, the extracting tower is arranged for two-stage series connection.
Further, the geobiont filter is chimney-like, if internal setting dried layer grid, on the grid It is laid with the fertile soil cultivated and have microorganism by haydite, flue gas enters from chimney bottom, is discharged from top by fertile soil.
The present invention has the advantages that:
1, chimney arch is set in waste incinerator of the invention, can play the role of breaing up, uniformly, drying rubbish, avoid new The rubbish of input is fallen directly on the rubbish to burn, is put out just in burned flame.Nozzle air inlet is used in stove, can make stove Turbulent flow occurs for interior air, and high-temperature flue gas is avoided directly to be taken away, plays the role of ensureing in-furnace temperature, it can be ensured that rubbish is abundant Burning reduces the generation discharge of toxic and harmful gas from source.
2, flue gas purification system purification efficiency of the invention is high, and operating cost is low, is arranged in the geobiont of afterbody Filter can effectively reduce the dust in flue gas, and decompose bioxin, SO2And NOxEqual products.
3, waste incinerator of the invention is simple in structure, and transmission mechanism-free, failure rate is low, and incineration firing is abundant.
From the above mentioned, waste incineration processing system according to the present invention can be such that rubbish fully burns, and that burns generation has Evil flue gas passes through deep purifying, and purification efficiency is high, and operating cost is low.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Description of the drawings
Fig. 1 is the overall schematic of the waste incineration processing system in embodiment.
Fig. 2 is the incinerator structural schematic diagram in embodiment.
Fig. 3 is the chimney arch front view in embodiment.
Fig. 4 is the chimney arch vertical view in embodiment.
Figure label:1- feed hoppers, 2- feeding gates, 3- counterweights, 4- material stocks storehouse, 5- incinerators, 6- are blown air hose, 7- sprays Mouth, 8- exhanst gas outlets, 9- blower inlets, 10- chimney arch, 11- ash buckets, 12- shoot doors, 13- dedusters, the first extracting towers of 14-, The second extracting towers of 15-, 16- deentrainment towers, 17- activated carbon casees, 18- air-introduced machines, 19- geobiont filters, 20- air blowers, 21- Grid, 22- fertile soil, 23- fixed grates.
Specific implementation mode
Embodiment
Referring to Fig. 1, it is illustrated that embodiment be the preferred embodiment of the present invention, specifically include and be sequentially connected in series by smoke pipe Incinerator 5, deduster 13, the first extracting tower 14, the second extracting tower 15, deentrainment tower 16, activated carbon case 17, air-introduced machine 18 and soil Biofilter 19, and air-introduced machine 18 is being set on smoke pipe, vacuum suction is formed to the furnace chamber inside smoke of incinerator.
In conjunction with referring to Fig. 2, incinerator 5 has furnace chamber, is equipped with normally closed feed hopper 1 at the top of furnace chamber, feed hopper and furnace chamber it Between be additionally provided with material stock storehouse 4, feed hopper is set to material stock the top of the warehouse;Furnace chamber lower part is ash bucket 11, and fixed grate is arranged in hopper bottom 23 and shoot door 12, chimney arch 10 is set in the top of ash bucket 11, is burnt for being fallen on after disperseing rubbish on fixed grate.It burns It is connect with injection air hose 6 by several nozzles 7 inside the furnace chamber of stove, blower inlet 9 is arranged in injection air hose 6, with air blower 20 It is connected, air is passed through into furnace chamber, exhanst gas outlet 8 is set at the top of furnace chamber, is connected by smoke pipe and follow-up smoke eliminator It connects.
Specifically, being respectively equipped with charging between feed hopper 1 and material stock storehouse 4 and between material stock storehouse 4 and incinerator furnace chamber Door 2, feeding gate 2 is rotatably arranged on by shaft on 4 side wall of material stock storehouse, and one end stretches out material stock storehouse and passes through connecting shaft and counterweight 3 Connection, under leverage, feeding gate is closed upwards under the gravity of counterweight, by the heap garbage on feeding gate, when When the opplied moment of rubbish is more than counterweight, feeding gate is opened by the dead weight of rubbish, rubbish is to whereabouts, and then feeding gate is again It is closed under the action of counterweight.Counterweight 3 opens container using flanged joint, by being adjusted in the media such as filling sandstone inside The weight of counterweight.The feeding gate of lower layer due to close to furnace chamber, being laid with lightweight refracrory, preventing feeding gate temperature distortion thereon.
Feeding gate is respectively set between material stock storehouse and feed hopper and incinerator furnace chamber in the present embodiment, in garbage throwing When, be first turned on upper layer feeding gate, at this time lower layer's feeding gate still keep incinerator furnace cavity bottom close, rubbish fall into lower layer into When on bin gate, the feeding gate on upper layer is automatically closed, and remains incinerator in garbage throwing, the flue gas in incinerator furnace chamber is not It can be excessive by feeding gate.
It is annular to be blown air hose 6, and fixed be sticked is burning furnace outer wall, all mentioned nozzle areas is covered, and pass through air blast Machine entrance is connected with air blower;Nozzle 7 is embedded in incinerator inner wall, and the injection air hose of annular is connected to furnace chamber is burned.
The injection air hose 6 of 5 outer wall of waste incinerator setting in the present embodiment, width 300mm, height 300mm.It is blown wind Pipe 6 is equipped with blower inlet 9, and nozzle 7 is provided entirely in the altitude range of injection air hose 6, connection incinerator 5 and injection wind Pipe 6.Nozzle 7 uses high-strength refractory material, the tubing of diameter 15mm to be made.Blower inlet 9 is connected with air blower 20.
The present embodiment jet-stream wind into incinerator furnace chamber by nozzle 7 upsets the flue gas in furnace chamber, provides combustion oxygen While, avoid high-temperature flue gas from directly being taken away from exhanst gas outlet, meanwhile, tangential direction of the exhanst gas outlet 8 along incinerator furnace chamber Setting, by negative pressure along furnace chamber inner wall by Sprial-flow suction flue gas, effectively maintains the high temperature in incinerator, is conducive to rubbish and fills Divided combustion.Meanwhile in order to avoid the air that air blower blasts quickly reduces inner flue gas of the stove temperature, therefore control 20 air quantity of air blower It is best for 10% or so of air-introduced machine 18.
Chimney arch is made of several fire resisting bars, is arranged in pyramid arch, in the top of pyramid arch setting frame shape channel. As shown in Figure 3 and Figure 4, the chimney arch in the present embodiment is made using four fire-resistant steels, sets up into rectangular pyramid arch, seamed edge Angle with horizontal plane is 30 °, is set at the top of chimney arch there are one square orifice, ensures that furnace air can uniformly enter stove It is interior, keep the burning below chimney arch more abundant.
The exhanst gas outlet 8 of waste incinerator 5 and cyclone dust collectors 13, deduster can also be used according to specific working condition Electric precipitator or sack cleaner.Further, the flue gas after rough dusting sequentially enters level-one extracting tower 14 and two level is de- Acid tower 15, the interior dust for spraying lye, also removing in flue gas while removing flue gas middle acid substance of extracting tower.Further, Flue gas after 2 grades of depicklings enters the water mist in the removal flue gas of deentrainment tower 16.Further, dry flue gas enters activated carbon case Body 17 adsorbs the toxic and harmful gas such as the You bioxin in flue gas.Further, flue gas enters geobiont filter 19, leads to Cross the remaining bioxin of microbiological treatment flue gas therein and other pernicious gases.
Geobiont filter 19 is chimney-like, if internal setting dried layer grid 21, is laid with by haydite on grid Cultivating has the fertile soil 22 of microorganism, and flue gas is entered by air-introduced machine 18 from the chimney bottom of geobiont filter, and corruption is passed through Soil to be grown to be discharged from top, multi-layer Soil biofiltration layer is arranged in geobiont filter, there are a fixed gap between each layer filtering layer, The microorganism cultivated in the soil plays the role of decomposing toxic and harmful gas in flue gas.Geobiont filtering in the present embodiment Device 19 divides for triple layer designs, and the thickness of every layer of soil is 200mm, haydite layer thickness 100mm, and the spacing of layer and layer is 300mm.First Haydite is laid on grid, is laid on haydite by fertile soil, microorganism is cultivated in fertile soil.
The specific work process of the present embodiment is as follows:
Rubbish presses off first layer garbage feeding door, rubbish through Transport Machinery or artificial input garbage feeding bucket, the rubbish of input Rubbish drops down onto second layer garbage feeding door, and first layer garbage feeding door is automatically closed under the action of counterweight.Rubbish presses off the second layer It is fallen into after feeding gate on the chimney arch in waste incinerator, while second layer feeding gate is automatically closed under the action of counterweight.
Rubbish plays the role of drying rubbish on chimney arch and breaks up rubbish, and rubbish is made uniformly to fall on fixed grate. Rectangular setting among chimney arch, is conducive to being blown into for extraneous air, it is ensured that the abundant burning of rubbish.Extraneous air is roused through air blower Enter in stove, arrangement of nozzles injects furnace interior in the top of chimney arch, through nozzle, makes the air in stove that turbulent flow occur, it is ensured that in stove High-temperature flue gas will not directly be pumped, ensure in-furnace temperature.
Flue gas is introduced into deduster, filters the dust in flue gas;Further, successively enter two-stage extracting tower and remove SO2 And other acidic materials;Further, into the steam contained in deentrainment tower filtering flue gas;Further, into activated carbon Bioxin in adsorbent equipment absorption tail gas and other toxic gases;Further, into air-introduced machine;Further, into burying Earth biofilter;It is final to realize low-altitude discharged.
The effect of the present embodiment is illustrated with two specific incineration treatment of garbage examples below.
Rubbish day output is 2t, by being manually fed into waste incinerator after rubbish simply sorting, intermittent feeding.Night Rubbish need not be filled out, the interior open fire for maintaining 8 hours does not extinguish in stove.110 square meter of complete equipment floor space, the interior actual measurement temperature of stove 900 DEG C of degree, 1100 DEG C of incineration firing temperature.SO2Concentration 310mg/m3, NOxConcentration 330mg/m3, particle concentration 250mg/m3。 It monitors bioxin concentration at factory circle 1m to be not detected, SO2、NOxParticulate matter is not detected.
Rubbish day output is 5t, is sent into waste incinerator by transporter after rubbish simply sorting, daily into rubbish 3 It is secondary.130 square meter of complete equipment floor space, 950 DEG C of observed temperature in stove, 1200 DEG C of incineration firing temperature.SO2Concentration 320mg/ m3, NOxConcentration 360mg/m3, particle concentration 270mg/m3.It monitors bioxin concentration at factory circle 1m to be not detected, SO2、NOxParticle Object is not detected.
Above example is the description of the invention, not limitation of the invention, and the technical staff of the industry should Solution, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the specific of the present invention Operation principle, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these variations It all fall within the protetion scope of the claimed invention with improvement, the claimed scope of the invention is by appended claims and its waits Effect object defines.

Claims (9)

1. a kind of waste incineration processing system, it is characterised in that:Including incinerator, the incinerator has furnace chamber, the furnace chamber Top is equipped with normally closed feed hopper, and fixed grate and shoot door is arranged in bottom, and chimney arch is arranged in the top of the fixed grate, will under The rubbish fallen is disperseed;It is connect with injection air hose by several nozzles inside the furnace chamber of the incinerator, is passed through into furnace chamber Air, the nozzle are arranged in the top of chimney arch along an annular trace, while exhanst gas outlet is additionally provided with inside furnace chamber;
Setting material stock storehouse at the top of the furnace chamber of the incinerator, the feed hopper are set to material stock the top of the warehouse, the feed hopper and deposit It is respectively equipped with feeding gate between feed bin and between material stock storehouse and incinerator furnace chamber;
The exhanst gas outlet of the waste incinerator is given birth to deduster, extracting tower, deentrainment tower, activated carbon case and soil by smoke pipe Object filter is connected, and air-introduced machine is being arranged on the smoke pipe, and vacuum suction is formed to the furnace chamber inside smoke of incinerator.
2. a kind of waste incineration processing system according to claim 1, the feeding gate are kept by adjustable counterweight Normally off, heap garbage, is opened feeding gate by the dead weight of rubbish thereon.
3. a kind of waste incineration processing system according to claim 1, the injection air hose is annular, and fixed be sticked is being burnt Furnace outer wall is burnt, all nozzles are covered, and is connected with air blower by blower inlet;The nozzle is embedded at incinerator inner wall In, the injection air hose of annular is connected to furnace chamber is burned.
4. a kind of waste incineration processing system according to claim 1, the incinerator lower part is arranged to ash bucket, described solid Determine the bottom that fire grate is set to ash bucket.
5. a kind of waste incineration processing system according to claim 4, the chimney arch is made of several fire resisting bars, is in Arch is arranged, in the top of arch setting frame shape channel.
6. a kind of waste incineration processing system according to any one of claims 1-5, the exhanst gas outlet is along incinerator The tangential direction of furnace chamber is arranged.
7. a kind of waste incineration processing system according to claim 6, the deduster is removed using cyclone dust collectors, electrostatic One kind in dirt device, bag filter.
8. a kind of waste incineration processing system according to claim 6, the extracting tower is arranged for two-stage series connection.
9. a kind of waste incineration processing system according to claim 6, the geobiont filter is chimney-like, internal If setting dried layer grid, the fertile soil cultivated and have microorganism is laid with by haydite on the grid, flue gas is from chimney bottom Into, by fertile soil from top be discharged.
CN201610463180.6A 2016-06-23 2016-06-23 A kind of waste incineration processing system Active CN106090935B (en)

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Families Citing this family (12)

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CN106474894B (en) * 2016-12-16 2019-05-24 航天凯天环保科技股份有限公司 A kind of flue gas of refuse burning processing system
CN106621767B (en) * 2016-12-19 2019-07-12 航天凯天环保科技股份有限公司 A kind of small-sized rubbish incinerator flue gas purification system
CN106731570B (en) * 2016-12-19 2020-02-14 航天凯天环保科技股份有限公司 Small-sized waste incineration tail gas treatment system and treatment process thereof
CN106642149A (en) * 2016-12-19 2017-05-10 航天凯天环保科技股份有限公司 Small garbage incineration tail gas treatment system and treatment technology thereof
CN106582240A (en) * 2016-12-19 2017-04-26 航天凯天环保科技股份有限公司 Flue gas purifying system of small waste incineration device
CN106678809A (en) * 2016-12-19 2017-05-17 航天凯天环保科技股份有限公司 Small-sized waste incineration device
CN106610019A (en) * 2016-12-19 2017-05-03 航天凯天环保科技股份有限公司 A small-scale garbage burning device and application of an exhaust gas purification system thereof
CN106642157A (en) * 2016-12-19 2017-05-10 航天凯天环保科技股份有限公司 Small garbage incineration device
CN108151023A (en) * 2017-12-06 2018-06-12 启东市金阳光固废处置有限公司 Industrial waste high temperature incineration gas cleaning treatment process
CN108613198A (en) * 2018-02-09 2018-10-02 刘学琳 A kind of sludge incineration flue gas treating process
CN109200742A (en) * 2018-11-27 2019-01-15 中国科学院北京综合研究中心 A kind of processing system and processing method of incineration flue gas of household garbage
CN110410780B (en) * 2019-07-19 2020-09-25 泉州惠安泉创文化用品有限公司 Thermal decomposition system for refuse derived fuel

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