CN108546557A - House refuse low temperature pyrogenation gasification method and pyrolysis gasifying device - Google Patents
House refuse low temperature pyrogenation gasification method and pyrolysis gasifying device Download PDFInfo
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- CN108546557A CN108546557A CN201810593757.4A CN201810593757A CN108546557A CN 108546557 A CN108546557 A CN 108546557A CN 201810593757 A CN201810593757 A CN 201810593757A CN 108546557 A CN108546557 A CN 108546557A
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- air
- furnace body
- fire grate
- low temperature
- trunnion
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- 238000002309 gasification Methods 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000000197 pyrolysis Methods 0.000 title claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 51
- 230000005415 magnetization Effects 0.000 claims abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 14
- 238000004140 cleaning Methods 0.000 claims abstract description 13
- 239000011449 brick Substances 0.000 claims abstract description 4
- 239000004575 stone Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 38
- 239000010813 municipal solid waste Substances 0.000 claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 30
- 229910052742 iron Inorganic materials 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 241000209094 Oryza Species 0.000 claims description 9
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 239000010903 husk Substances 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- 230000008569 process Effects 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 7
- 239000010902 straw Substances 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 210000000481 breast Anatomy 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000010865 sewage Substances 0.000 claims description 4
- 239000000779 smoke Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 17
- 239000003795 chemical substances by application Substances 0.000 description 14
- 239000002737 fuel gas Substances 0.000 description 11
- 239000002956 ash Substances 0.000 description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000005416 organic matter Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 239000010849 combustible waste Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005474 detonation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000005347 demagnetization Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 208000020442 loss of weight Diseases 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/08—Non-mechanical pretreatment of the charge, e.g. desulfurization
- C10B57/10—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B57/00—Other carbonising or coking processes; Features of destructive distillation processes in general
- C10B57/14—Features of low-temperature carbonising processes
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Incineration Of Waste (AREA)
Abstract
House refuse low temperature pyrogenation gasification method and house refuse low temperature pyrogenation gasification installation, the house refuse low temperature pyrogenation gasification installation are made of low temperature pyrogenation gasification stove (1), air magnetization air supply device (2), water seal fire arrestor (3)；Mainly by furnace body (10), escape pipe (12), feed inlet (13) annular partition (14), rocking type grate (15), cleaning door (17), trunnion (18), lighting-up tuyere (19), blast pipe (16) are constituted the low temperature pyrogenation gasification stove (1).Go out through go-no-go in the house refuse of incombustible bulk brick, stone, using low temperature pyrogenation gasification stove (1) by adjust air magnetize air supply device (2) control into stove input air air quantity, the zoneofoxidation temperature of trunnion (18) inner cavity is controlled at 450-550 DEG C, the air outlet temperature of upper of furnace body carries out house refuse low temperature pyrogenation gasification at 100-250 DEG C.The house refuse for being particularly suitable for the units such as villages and towns in rural areas, hospital is handled, and pyrolytic gasification effect easy to operate is good.
Description
Technical field
The present invention relates to house refuse low temperature pyrogenation gasification method and house refuse low temperature pyrogenation gasification installations.
Background technology
Domestic garbage pyrolysis processing method is divided into incineration treatment method and gasification processing method.Can make rubbish volume reduction 98%,
Loss of weight 95%.
Consumer waste incineration processing method is to carry out high temperature pyrolysis burning processing to rubbish with incinerator, and method is simple,
Processing speed is very fast.But because MSW heating value is relatively low, water content is higher, it is desirable to provide auxiliary fuel is combustion-supporting.Burning disposal
The investment of equipment and operating cost are higher, and the direct burning disposal of rubbish is big in the presence of the hidden danger of pollution environment, and flue gas is not easy
Processing discharge up to standard.Incineration temperature inevitably passes through waste incineration two from low temperature to pyrolytic conversion especially in burning process
Evil English formation ranges, generation bioxin is dealt with improperly, larger to health and environmental hazard.
Domestic garbage pyrolysis gasifies, be with generator (stove) under anoxic conditions by smoulder make organic matter in rubbish into
Row oxidation, reduction, pyrolysis, make the chemical combination key of organic matter be broken, are changed by the organic matter of macromolecule small using destructive distillation thermal energy
The obtained fuel gas such as CO, H2, CH4, tar, the Volatile Gas of molecular weight, then fires combustible gas obtained with burner
It is used as combustion gas after burning processing or purified processing.Refuse pyrolysis gasification need not provide auxiliary fuel, to msw water content
Of less demanding, the Pollutant emission concentrations such as particulate matter, heavy metal, nitrogen oxides are relatively low, and the secondary pollution emission of substance of generation is more
It is few, but refuse pyrolysis gasification process speed is relatively slow.
Pyrolytic gasification generator (stove) is divided into downdraft and updraft type：
Downdraft pyrolysis gasification furnace is fed by the top of gasification furnace, is run under conditions of tiny structure, gasifying agent（Air）Into
Air port is located at the certain altitude on fire grate, and corresponding air inlet forms high-temperature region, that is, zoneofoxidation, the material on zoneofoxidation top by
The high temperature action of zoneofoxidation is pyrolysis zone, and zoneofoxidation lower part is reducing zone, and fuel gas is discharged from fire grate lower part, and lime-ash falls into stove
In grey room under row, it is suitble to bulk material and low moisture material, the disadvantage is that big containing ash amount in gas, gas temperature is high.
Updraft type pyrolytic gasification device stove is fed by the top of gasification furnace, is run under conditions of micro-positive pressure, gasifying agent
（Air）It is upwardly into gasification furnace by fire grate by furnace bottom, pyrolytic gasification area's (zoneofoxidation, reduction is formed on fire grate top
Area, pyrolysis zone) and dry section, temperature be also to be continuously decreased upwards from fire grate, i.e., pyrolytic gasification area temperature with reaction layer height
The increase of (thickness of feed layer) and gradually reduce, the fuel gas of gasification is discharged from furnace roof portion, air current flow direction with to moving down
Dynamic material movement direction is on the contrary, moisture is sloughed in the hot gas drying that the material to flow downward is flowed up, to material size
It is of less demanding, it is conducive to pyrolytic gas making, has a filtration to gas, content of ashes reduces in the gas of output, but the tar generated
Content is relatively high.In order to obtain the preferable fuel gas of mass ratio and tolerance, controlling reaction temperature is needed.Air compares aerogenesis
Amount and combustible gas quality are affected.Thick gas made from updraft type pyrolysis gasification furnace, can be directly used for the benefit of boiler or heating furnace
Fill fuel combustion use.
Above-mentioned pyrolysis gasification furnace gasifies for biomass, and it is preferable to produce fuel gas effect.Due to biomass material
Single, calorific value is higher, and water content is relatively low, and operation and control is also easier.But for house refuse, due to having in house refuse
Machine raw material material type is complicated, and water content is big, carries out pyrolytic gasification to house refuse to realize, it is gentle that fuel gas is made
Amount is not easy to, and is influenced by furnace structure, pyrolytic process parameter very big.
Chinese patent ZL2016109743155, ZL201620165477X, ZL2016105873696,
LZ2017206268338, LZ2017202005441, LZ2016203074745 disclose some domestic garbage pyrolysis processing dress
It sets and system.
In recent years, residents in rural community due to yield it is smaller, transportation expenses are higher, without reliable processing method, at
For urgent problem to be solved.Domestic garbage pyrolysis gasifies, and reduction is good, and no secondary emission disperses suitable for processing, is few
The residents in rural community of amount.
Invention content
The object of the present invention is to provide a kind of house refuse low temperature pyrogenation gasification method and temperature garbage pyrolysis gasifying device,
It is particularly suitable for villages and towns in rural areas, village, school, the house refuse and combustible waste that the units such as hospital generate are handled, had
There are investment and operating cost relatively low, house refuse low temperature pyrogenation gasification method easy to operate and the gasification of house refuse low temperature pyrogenation
Device, realize house refuse on the spot, the same day processing, avoid house refuse because be unable to timely processing generate environmental pollution.
House refuse low temperature pyrogenation gasification installation of the present invention；By low temperature pyrogenation gasification stove 1, air magnetization air supply device 2, water
Blockade the composition of firearm 3.
The low temperature pyrogenation gasification stove 1, by cylindrical furnace 10, upper arch furnace upper cover 11, on furnace upper cover 11
It offers escape pipe 12, offer feed inlet 13 and feed inlet sealing cover 131 on furnace upper cover 11, the lower part in furnace body is solid
Surely it is connected with annular partition 14, in the middle part of annular partition 14 setting fire grate 15, the lower part of fire grate 15 and annular partition 14 is
Dust collection chamber, corresponding dust collection chamber offers cleaning door 17 and cleaning door hermatic door 171 on furnace body 10, in 15 outer edge of fire grate and ring
Shape partition board 14, which is fixedly connected, to be corresponded to 15 upper surface of fire grate on furnace body 10 equipped with trunnion 18 and offers the point for leading to 18 inner cavity of trunnion
Burner 19 and lighting-up tuyere hermatic door 191.
It is equipped with fire resisting concrete insulating layer 101 on 10 inner wall of furnace body, fire resisting is equipped between 18 outer wall of 10 inner wall of furnace body and trunnion
The fire resisting concrete insulating layer 101 of concrete insulating layer 102,18 upper port 181 of trunnion and 10 upper inside wall of furnace body is that inclined-plane 103 is excessive, i.e.,
Form taper blanking chamber 104, the cone angle of taper blanking chamber 104 is 140-155 degree, most preferably about 150 degree, in favor of material oneself
Dynamic to fall and furnace chamber is made to have maximum volume, the furnace chamber on 18 top of trunnion is dry materials chamber.
The fire grate 15 is rocking type grate, and the wing of 151 both sides of shaft is fixedly connected on by more shafts 151 and distribution
Bar 152 is constituted, and each wing bar 152 is interspersed, and more shafts 151 are by the handle 154 outside link mechanism 153 and furnace body 10 with turn
Movable pendulum is dynamic, to disturb the lime-ash on fire grate 15, lime-ash is made to fall, and adjusts the ventilative situation of fire grate 15.
Gasifying agent (air) blast pipe 16 for the lower end for leading to fire grate 15 is connected on furnace body 10, blast pipe 16 goes out
Wind port 161 is located at the downward outlet air of 15 central part of fire grate, so that finely dispersed when gasifying agent (air) upward baffling pass through stove
Row 15.
The upper port 181 of the trunnion 18 to 15 upper surface of fire grate is material gasification (generation) area, height H=650-
750cm is upwardly formed zoneofoxidation, reducing zone, pyrolysis zone in 18 inner cavity of trunnion from fire grate 15.Trunnion 18 coordinates with fire grate 15
To ensure that the gasifying agent (air) flowed up by fire grate 15 is evenly distributed, make on fire grate that the temperature of zoneofoxidation is uniform, does not produce
Part is made to leap up fire, to make reducing zone and pyrolysis zone uniformity of temperature profile, be conducive to zoneofoxidation, reducing zone, pyrolysis zone to material into
Row stablizes gasification, and conducive to control and stablizes the intensity of gasification.
In addition, 15 upper surface of fire grate to the upper port 181 of trunnion 18 height i.e. gasify (generations) area be control zoneofoxidation,
Reducing zone, pyrolysis zone temperature key factor.Gasification zone is higher, and the bed of material is thicker, and the reducing zone on top, pyrolysis zone temperature are lower,
15 upper surface zoneofoxidation temperature of fire grate must be improved by improving reducing zone, pyrolysis zone temperature just, will result in material high temperature incineration,
The fuel gas decomposited largely reduces.By repetition test, gasification zone height is 650-750cm, and control zoneofoxidation is no more than
600 DEG C, when 450-550 DEG C of optimum temperature, reducing zone is 350-450 DEG C, pyrolysis zone temperature is 250-350 DEG C, on furnace body 1
It is 100-250 DEG C that portion's outlet mouth of pipe 12, which is vented temperature, and fuel gas effect obtained is most hung.And above-mentioned temperature model circle
The most extension reaction effectively avoided in 600-800 DEG C of Shi bioxin generates temperature, the effective generation for limiting bioxin.
The air magnetizes air supply device 2, by air blower 21, air (gasifying agent) magnetizer 22, volume damper 23,
Non-return valve 24 and connecting pipe are constituted.Air (gasifying agent) magnetizer 2 be with strong permanent magnet by by air carry out it is magnetized
Device.Air magnetizer 22 provided by the present invention is made of shell 221, strong permanent magnetic iron 222, permanent magnet mounting bracket 223, permanent magnetism
Iron mounting bracket 223 is fixedly mounted in shell 221, the poles S of pairs of strong permanent magnetic iron 222 with N is extremely corresponding is fixedly mounted on permanent magnetism
On iron mounting bracket 223, air is sent into through air blower 21 in air magnetizer 22, enters other end outflow, mounted in pairs from one end
Strong permanent magnetic iron 222 between the high-intensity magnetic field that is formed the air of process is magnetized, the air being magnetized is adjusted through volume damper 23
Section control inputs 15 lower part of fire grate in furnace body through non-return valve 24 by the blast pipe 16.
By the setting of air (gasifying agent) magnetizer 22 outside low temperature pyrogenation gasification 1 furnace body of stove, low temperature pyrogenation gasification can be simplified
1 structure of stove, substantially reduces manufacturing cost, effectively prevent permanent magnet because demagnetization and damage is occurred by high temperature action, also allows for safeguarding
Repair.
Since the oxygen in air is under strong magnetic field action, the molecular magnetic moment of oxygen will be orientated with external magnetic field, oxygen molecule
Polarity tends to be parallel with external magnetic field, oxygen activating to greatly improve.It can reduce in this way in input gasification furnace and maintain oxidation reaction
Required amount of oxygen reduces gas air used in the burning of rubbish oxidation reaction（Oxygen）Amount, and remain stable.Meanwhile also
Accordingly reduce the flue gas generated by burning and soot amount.
Moreover, the air (gasifying agent) being magnetized, gasification zone and dry section are acted on rubbish material in stove, make rubbish object
Material generates magnetization, so that the intermolecular cohesion of organic materials is reduced, contributes to the macromolecular chain for interrupting organic matter so that heat
Solving temperature reduces, and improves pyrolysis effect and efficiency.
It is tempered generation detonation into stove to prevent 12 Outer Tube of furnace body escape pipe from leakage chance open fire occurs, ensures safety, together
When certain removing tar and dedusting also are carried out to fuel gas obtained, be connected with water seal on 12 pipeline of furnace body escape pipe
Spark arrester 3.
The water seal fire arrestor 3, including case cylinder 30, snorkel 31, the lower part in case cylinder 30 are sink 32, snorkel 31
Lead to the furnace body escape pipe 12, snorkel 31 from 30 top of case cylinder extend into lower part in case cylinder 30 32 liquid level of sink it
Under, exhaust outlet 33 is offered on the top of case cylinder 30, the lower part of exhaust outlet 33 is equipped with water fender 34 in case cylinder 30, in case cylinder 30
On offer water filling port 35,30 lower part of case cylinder be equipped with water level indicating gage 36, offer breast hole in 30 lower part of case cylinder or bottom
37,30 lower part of case cylinder correspond to sink 32 be provided with offer tar outlet 38a, 38b respectively, sewage arranges clearly mouth 39.
The fuel gas being discharged from the furnace body escape pipe 12 is flowed up by snorkel 31 after the filtering of sink 32, gas
It is discharged by the exhaust outlet 33 on the top of case cylinder 30 after the blocking dehydration of water fender 34.The liquid level of sink 32 keeps exhaust outlet 33 logical simultaneously
It is check to the partition of the flow direction of snorkel 31, prevents 33 outer gas pipeline of exhaust outlet from sewing and meet open fire to the low temperature pyrogenation
It is tempered in the escape pipe 12 and stove of gasification furnace 1, causes combustible gas deflagrating in stove.
House refuse low temperature pyrogenation gasification installation of the present invention is simple in structure, and convenient for manufacture, production cost is low.Especially low temperature
Reasonable for gasification (generation) plot structure and parameter design optimization of representative with trunnion 18 in pyrolysis gasification furnace 1, manipulation is simple and convenient,
Temperature garbage pyrolytic gasification effect is good.
House refuse low temperature pyrogenation gasification method of the present invention：
(1) Domestic garbage bag-breaking, go-no-go are gone out into bulk brick incombustible in house refuse, stone, as rubbish water content is super
Cross 30%, rubbish, which is carried out drying, to be air-dried or drying and processing, and rubbish is made to reduce water content as possible, rubbish water content preferably no more than
30%。
(2) above-mentioned house refuse low temperature pyrogenation gasification installation is used.
(2-1) water filling into 3 casees cylinders of water seal fire arrestor 30, and 32 water level of sink is made to be more than the lower port of snorkel 31.
(2-2) is fed by the feed inlet 13 on 1 furnace body of low temperature pyrogenation gasification stove, 10 top, and one layer is added on fire grate 15 about
The house refuse of 10cm thickness, then in one layer of combustible for being easy the sawdust to ignite, rice husk, broken straw rod etc of addition, or
To the combustible for entering sawdust, rice husk, broken straw rod that some are easy to ignite etc at fire grate 15 in lighting-up tuyere 19；Continue into furnace chamber
The house refuse described in step (1) is added, the upper end of rubbish is no more than feed inlet 13, must not block escape pipe 12, then with into
Material mouth sealing cover 131 seals feed inlet 13；Cleaning door 17 is sealed with cleaning door hermatic door 171.
(2-3) in the lighting-up tuyere 19 by described in step (2-2) the easy sawdust to ignite, rice husk, broken straw rod etc can
Combustion things are lighted, and are later sealed lighting-up tuyere 19 with lighting-up tuyere hermatic door 191.
(2-4) opens the air blower 21 of air magnetization air supply device 2, to 15 times injection air of fire grate（Gasifying agent）, sight looks into
The smoke condition that water seal fire arrestor exhaust outlet 33 is discharged confirms in stove for state of catching fire.
(2-5) adjusts the volume damper 23 of air magnetization air supply device 2, controls input air (gasifying agent) wind into stove
Amount, to control, zoneofoxidation temperature is no more than 600 DEG C, most preferably 450-550 DEG C on fire grate 15, the escape pipe on 10 top of furnace body
12 nozzle air outlet temperatures are no more than 300 DEG C, most preferably 100-250 DEG C.
(2-6) shakes tipping grate 15, makes fire grate 15 when sight is found and blockades 33 gas output of firearm exhaust outlet and significantly reduce
On lime-ash fall, improve fire grate 15 Air permenbility.
In (2-7) furnace body 10 rubbish material close to all gasified when, i.e., the rubbish object of dry materials intracavitary in furnace body 10
When material falls through, gasification zone bulk temperature is gradually increasing in trunnion 18, and the 12 nozzle air outlet temperature of escape pipe on 10 top of furnace body continues
More than 300 DEG C or more, capacity significantly reduces, at this time：
One is to continue with the air blower 21 for keeping air to magnetize air supply device 2 into stove to wind, and gasification zone material in trunnion 2 is made to fire
To the greatest extent；
Or the air blower 21 of stopping air magnetization air supply device 2 gives wind into stove, and the material in trunnion 18 is waited for extinguish naturally；
Second is that if continuing to produce：The air blower 21 of stopping air magnetization air supply device 2 gives wind into stove, opens feed inlet
13, the house refuse described in step (1) is reloaded into stove, is later sealed feed inlet 13 with feed inlet sealing cover 131, so
The air blower 21 for opening air magnetization air supply device 2 afterwards repeats step (2-5)-(2-7) mistake to 15 times injection air of fire grate
Journey.
House refuse low temperature pyrogenation gasification method of the present invention, especially suitable for villages and towns in rural areas, village, school, hospital etc. is single
The house refuse and combustible waste that position generates carry out processing use, and investment is low with operating cost, easy to operate, realize house refuse
Treatment in situ, same day processing avoid environmental pollution of the house refuse because being unable to timely processing generation, reduce transport, processing cost.
Description of the drawings
Fig. 1 is house refuse low temperature pyrogenation gasification installation structural schematic diagram of the present invention.Including low temperature pyrogenation gasification stove 1, sky
Gas magnetizing air supply device 2, water seal fire arrestor 3 form.
Fig. 2 is low temperature pyrogenation gasification 1 example structure schematic diagram of stove.
Fig. 3 is the C-C sectional views of Fig. 2.
Fig. 4 is the B-B sectional views of Fig. 2.
Fig. 5 is 22 example structure schematic diagram of air (gasifying agent) magnetizer.
Fig. 6 is 3 example structure schematic diagram of water seal fire arrestor.
Specific implementation mode
House refuse low temperature pyrogenation gasification method of the present invention：
(1) Domestic garbage bag-breaking, go-no-go are gone out into bulk brick incombustible in house refuse, stone, as rubbish water content is super
Cross 30%, rubbish, which is carried out drying, to be air-dried or drying and processing, and rubbish is made to reduce water content as possible, rubbish water content preferably no more than
30%。
(2) house refuse low temperature pyrogenation gasification installation is used：
The house refuse low temperature pyrogenation gasification installation；By low temperature pyrogenation gasification stove 1, magnetization air supply device 2, water seal fire arrestor
3 are constituted.
The low temperature pyrogenation gasifies stove 1 by cylindrical furnace 10, and upper arch furnace upper cover 11 is opened on furnace upper cover 11
Equipped with escape pipe 12, feed inlet 13 and feed inlet sealing cover 131 are offered on furnace upper cover 11, the lower part in furnace body is fixed
It is connected with annular partition 14, in the middle part of annular partition 14 setting fire grate 15, the lower part of fire grate 15 and annular partition 14 is collection
Grey room, corresponding dust collection chamber offers cleaning door 17 and cleaning door hermatic door 171 on furnace body 10, in 15 outer edge of fire grate and annular
Partition board 14 is fixedly connected equipped with trunnion 18, and 15 upper surface of fire grate is corresponded on furnace body 10 and offers the igniting for leading to 18 inner cavity of trunnion
Mouth 19 and lighting-up tuyere hermatic door 191.
It is equipped with fire resisting concrete insulating layer 101 on 10 inner wall of furnace body, fire resisting is equipped between 18 outer wall of 10 inner wall of furnace body and trunnion
The fire resisting concrete insulating layer 101 of concrete insulating layer 102,18 upper port 181 of trunnion and 10 upper inside wall of furnace body is that inclined-plane 103 is excessive, i.e.,
Form taper blanking chamber 104, the cone angle of taper blanking chamber 104 is 140-155 degree, most preferably about 150 degree, 18 top of trunnion
Furnace chamber is dry materials chamber.
The fire grate 15 is rocking type grate, and the wing of 151 both sides of shaft is fixedly connected on by more shafts 151 and distribution
Bar 152 is constituted, and each wing bar 152 is interspersed, and more shafts 151 are by the handle 154 outside link mechanism 153 and furnace body 10 with turn
Movable pendulum is dynamic.
The blast pipe 16 for the lower end for leading to fire grate 15, the outlet air port of blast pipe 16 161 are connected on furnace body 10
In the downward outlet air of 15 central part of fire grate, so that finely dispersed when the upward baffling of air pass through fire grate 15.
The upper port 181 of the trunnion 18 to 15 upper surface of fire grate be material gasification zone, height H=650-750cm,
Zoneofoxidation, reducing zone, pyrolysis zone are upwardly formed from fire grate 15 in 18 inner cavity of trunnion.
The air magnetizes air supply device 2, by air blower 21, air magnetizer 22, volume damper 23, non-return valve 24
And connecting pipe is constituted, 4 wind pressure of air blower is 20-25KP, air quantity 300m3/h；Air magnetizer 22 is by shell 221, Qiang Yong
Magnet 222, permanent magnet mounting bracket 223 are constituted, and permanent magnet mounting bracket 223 is fixedly mounted in shell 221, pairs of strong permanent magnetic iron
222 poles S with N is extremely corresponding is fixedly mounted on permanent magnet mounting bracket 223, air is sent into air magnetizer 22 through air blower 21
It is interior, enter other end outflow from one end, the high-intensity magnetic field formed between the strong permanent magnetic iron 222 of mounted in pairs carries out magnetic to the air of process
Change, the air being magnetized is inputted by the blast pipe 16 in furnace body through 23 adjusting control of volume damper, through non-return valve 24
15 lower part of fire grate.
It is tempered generation detonation into stove to prevent 12 Outer Tube of furnace body escape pipe from leakage chance open fire occurs, ensures safety, together
When certain removing tar and dedusting also are carried out to fuel gas obtained, be connected with water seal on 12 pipeline of furnace body escape pipe
Spark arrester 3.
The water seal fire arrestor 3, including case cylinder 30, snorkel 31, the lower part in case cylinder 30 are sink 32, snorkel 31
Lead to the furnace body escape pipe 12, snorkel 31 from 30 top of case cylinder extend into lower part in case cylinder 30 32 liquid level of sink it
Under, exhaust outlet 33 is offered on the top of case cylinder 30, the lower part of exhaust outlet 33 is equipped with water fender 34 in case cylinder 30, in case cylinder 30
On offer water filling port 35,30 lower part of case cylinder be equipped with water level indicating gage 36, offer breast hole in 30 lower part of case cylinder or bottom
37,30 lower part of case cylinder correspond to sink 32 be provided with offer tar outlet 38a, 38b respectively, sewage arranges clearly mouth 39.
(2-1) water filling into 3 casees cylinders of water seal fire arrestor 30, and 32 water level of sink is made to be more than the lower port of snorkel 31.
(2-2) is fed by the feed inlet 13 on 1 furnace body of low temperature pyrogenation gasification stove, 10 top, and one layer is added on fire grate 15 about
The house refuse of 10cm thickness, then in one layer of combustible for being easy the sawdust to ignite, rice husk, broken straw rod etc of addition, or
To the combustible for entering sawdust, rice husk, broken straw rod that some are easy to ignite etc at fire grate 15 in lighting-up tuyere 19；Continue into furnace chamber
The house refuse described in step (1) is added, the upper end of rubbish is no more than feed inlet 13, must not block escape pipe 12, then with into
Material mouth sealing cover 131 seals feed inlet 13；Cleaning door 17 is sealed with cleaning door hermatic door 171.
(2-3) is in the lighting-up tuyere 19 by the flammable object point of the easy sawdust to ignite, rice husk etc described in step (2-2)
It；Lighting-up tuyere 19 is sealed with lighting-up tuyere hermatic door 191 later.
(2-4) opens the air blower 21 of air magnetization air supply device 2, and to 15 times injection air (gasifying agent) of fire grate, sight is looked into
The smoke condition that water seal fire arrestor exhaust outlet 33 is discharged confirms in stove for state of catching fire.
(2-5) adjusts the volume damper 23 of air magnetization air supply device 2, controls the input air into stove（Gasifying agent）Wind
Amount, to control, zoneofoxidation temperature is no more than 600 DEG C, most preferably 450-550 DEG C on fire grate 15, the escape pipe on 10 top of furnace body
12 nozzle air outlet temperatures are no more than 300 DEG C, most preferably 100-250 DEG C.
(2-6) shakes tipping grate 15, makes fire grate 15 when sight is found and blockades 33 gas output of firearm exhaust outlet and significantly reduce
On lime-ash fall, improve fire grate 15 Air permenbility.
In (2-7) furnace body 10 rubbish material close to all gasified when, i.e., the rubbish object of dry materials intracavitary in furnace body 10
When material falls through, gasification zone bulk temperature is gradually increasing in trunnion 18, and the 12 nozzle air outlet temperature of escape pipe on 10 top of furnace body continues
More than 300 DEG C or more, capacity significantly reduces, at this time：
One is to continue with the air blower 21 for keeping air to magnetize air supply device 2 into stove to wind, and gasification zone material in trunnion 2 is made to fire
To the greatest extent；
Or the air blower 21 of stopping air magnetization air supply device 2 gives wind into stove, and the material in trunnion 18 is waited for extinguish naturally；
Second is that if continuing to produce：The air blower 21 of stopping air magnetization air supply device 2 gives wind into stove, opens feed inlet
13, the house refuse described in step (1) is reloaded into stove, is later sealed feed inlet 13 with feed inlet sealing cover 131, so
The air blower 21 for opening air magnetization air supply device 2 afterwards repeats step (2-5)-(2-7) mistake to 15 times injection air of fire grate
Journey.
Claims (4)
- The method 1. house refuse low temperature pyrogenation gasifies, it is characterized in that：(1) Domestic garbage bag-breaking, go-no-go are gone out into bulk brick incombustible in house refuse, stone, as rubbish water content is super Cross 30%, rubbish, which is carried out drying, to be air-dried or drying and processing, and rubbish is made to reduce water content as possible, rubbish water content preferably no more than 30%；(2) house refuse low temperature pyrogenation gasification installation is used：The house refuse low temperature pyrogenation gasification installation；By low temperature pyrogenation gasification stove (1), air magnetization air supply device (2), water Blockade firearm (3) composition；The low temperature pyrogenation gasification stove (1), by cylindrical furnace (10), upper arch furnace upper cover (11), in furnace upper cover (11) escape pipe (12) is offered on, feed inlet (13) and feed inlet sealing cover (131) are offered on furnace upper cover (11), Lower part in furnace body is fixedly connected equipped with annular partition (14), in the middle part of annular partition (14) setting fire grate (15), fire grate (15) and the lower part of annular partition (14) is dust collection chamber, and corresponding dust collection chamber offers cleaning door (17) and deashing on furnace body (10) Mouth hermatic door (171), is fixedly connected equipped with trunnion (18) in fire grate (15) outer edge with annular partition (14), on furnace body (10) Corresponding fire grate (15) upper surface offers the lighting-up tuyere (19) and lighting-up tuyere hermatic door (191) for leading to trunnion (18) inner cavity；It is equipped with fire resisting concrete insulating layer (101) on furnace body (10) inner wall, is equipped between furnace body (10) inner wall and trunnion (18) outer wall Fire resisting concrete insulating layer (102), trunnion (18) upper port (181) and the fire resisting concrete insulating layer (101) of furnace body (10) upper inside wall are Inclined-plane (103) excessively, that is, forms taper blanking chamber (104), the cone angle of taper blanking chamber (104) is 140-155 degree, most preferably About 150 degree, the furnace chamber on trunnion (18) top is dry materials chamber；The fire grate (15) is rocking type grate, and shaft (151) both sides are fixedly connected on by more shafts (151) and distribution Wing bar (152) is constituted, and each wing bar (152) is interspersed, more shafts (151) by link mechanism (153) and furnace body (10) outside Handle (154) drives rotation to swing；The blast pipe (16) for the lower end for leading to fire grate (15), the outlet air port of blast pipe (16) are connected on furnace body (10) (161) it is located at the downward outlet air of fire grate (15) central part, so that finely dispersed when the upward baffling of air pass through fire grate (15)；The upper port (181) of the trunnion (18) to fire grate (15) upper surface is material gasification zone, height H=650- 750cm is upwardly formed zoneofoxidation, reducing zone, pyrolysis zone in trunnion (18) inner cavity from fire grate (15)；The air magnetization air supply device (2), by air blower (21), air magnetizer (22), volume damper (23), check Valve (24) and connecting pipe are constituted；Air magnetizer (22) is by shell (221), strong permanent magnetic iron (222), permanent magnet mounting bracket (223) it constitutes, permanent magnet mounting bracket (223) is fixedly mounted in shell (221), the poles S of pairs of strong permanent magnetic iron (222) and N Extremely correspondence is fixedly mounted on permanent magnet mounting bracket (223), and air is sent into through air blower (21) in air magnetizer (22), from one End enters the other end and flows out, and the high-intensity magnetic field formed between the strong permanent magnetic iron (222) of mounted in pairs magnetizes the air of process, quilt Magnetized air inputs furnace body through volume damper (23) adjusting control, through non-return valve (24) by the blast pipe (16) Interior fire grate (15) lower part；The water seal fire arrestor (3), including case cylinder (30), snorkel (31), the lower part in case cylinder (30) are sink (32), are led to Tracheae (31) leads to the furnace body escape pipe (12), and snorkel (31) extend into case cylinder (30) interior lower part from case cylinder (30) top Sink (32) liquid level under, exhaust outlet (33) is offered on the top of case cylinder (30), in case cylinder (exhaust outlet (33) in 300 Lower part is equipped with water fender (34), and water filling port (35) is offered on case cylinder (30), and water level indicating gage is equipped in case cylinder (30) lower part (36), breast hole (37) is offered in case cylinder (30) lower part or bottom, corresponding to sink (32) in case cylinder (30) lower part is provided with difference Offer tar outlet (38a, 38b), sewage arranges clearly mouth (39)；(2-1) makes sink (32) water level be more than the lower end of snorkel (31) to water seal fire arrestor (3) case cylinder (30) interior water filling Mouthful；(2-2) is fed by the feed inlet (13) on low temperature pyrogenation gasification stove (1) furnace body (10) top, and one layer is added on fire grate (15) Then one layer of combustible for being easy the sawdust to ignite, rice husk, broken straw rod etc is being added in the house refuse of about 10cm thickness, or To the combustible for entering sawdust, rice husk, broken straw rod that some are easy to ignite etc at lighting-up tuyere (19) interior fire grate (15)；Continue to The house refuse described in step (1) is added in furnace chamber, the upper end of rubbish is no more than feed inlet (13), must not block escape pipe (12), then feed inlet sealing cover (131) is used to seal feed inlet (13)；With cleaning door hermatic door (171) by cleaning door (17) Sealing；(2-3) lights the combustible of the easy sawdust to ignite, rice husk etc described in step (2-2) in the lighting-up tuyere (19)； Lighting-up tuyere hermatic door (191) is used to seal lighting-up tuyere (19) later；(2-4) opens the air blower (21) of air magnetization air supply device (2), to fire grate (15) under inject air, water seal resistance is looked into sight The smoke condition of firearm exhaust outlet (33) discharge confirms in stove for state of catching fire；(2-5) adjusts the volume damper (23) of air magnetization air supply device (2), controls the input air air quantity into stove, to Zoneofoxidation temperature is no more than 600 DEG C, most preferably 450-550 DEG C on control fire grate (15), the escape pipe (12) on furnace body (10) top Nozzle air outlet temperature is no more than 300 DEG C, most preferably 100-250 DEG C；(2-6) shakes tipping grate (15), makes fire grate when sight is found and blockades firearm exhaust outlet (33) gas output and significantly reduce (15) lime-ash on falls, and improves the Air permenbility of fire grate (15)；(2-7) furnace body (10) interior rubbish material is close to when all being gasified, i.e. the rubbish object of the interior dry materials intracavitary of furnace body (10) When material falls through, the interior gasification zone bulk temperature of trunnion (18) is gradually increasing, and escape pipe (12) nozzle on furnace body (10) top goes out temperature Degree is continued above 300 DEG C or more, and capacity significantly reduces, at this time：One is to continue with the air blower (21) for keeping air to magnetize air supply device (2) into stove to wind, makes the interior gasification zone object of trunnion (2) Expect after-flame；Or the air blower (21) of stopping air magnetization air supply device (2) gives wind into stove, waits for the material in trunnion (18) natural Extinguish；Second is that if continuing to produce：Stop air magnetization air supply device (2) air blower (21) into stove give wind, open into Material mouth (13) reloads the house refuse described in step (1) into stove, uses feed inlet sealing cover (131) by feed inlet later (13) seal, be then turned on the air blower (21) of air magnetization air supply device (2), to fire grate (15) under inject air, repeat to walk Suddenly (2-5)-(2-7) process.
- 2. house refuse low temperature pyrogenation gasification installation, it is characterized in that：It is made of low temperature pyrogenation gasification stove (1), air magnetization air supply device (2), water seal fire arrestor (3)；The low temperature pyrogenation gasification stove (1), by cylindrical furnace (10), upper arch furnace upper cover (11), in furnace upper cover (11) escape pipe (12) is offered on, feed inlet (13) and feed inlet sealing cover (131) are offered on furnace upper cover (11), Lower part in furnace body is fixedly connected equipped with annular partition (14), in the middle part of annular partition (14) setting fire grate (15), fire grate (15) and the lower part of annular partition (14) is dust collection chamber, and corresponding dust collection chamber offers cleaning door (17) and deashing on furnace body (10) Mouth hermatic door (171), is fixedly connected equipped with trunnion (18) in fire grate (15) outer edge with annular partition (14), on furnace body (10) Corresponding fire grate (15) upper surface offers the lighting-up tuyere (19) and lighting-up tuyere hermatic door (191) for leading to trunnion (18) inner cavity；It is equipped with fire resisting concrete insulating layer (101) on furnace body (10) inner wall, is equipped between furnace body (10) inner wall and trunnion (18) outer wall Fire resisting concrete insulating layer (102), trunnion (18) upper port (181) and the fire resisting concrete insulating layer (101) of furnace body (10) upper inside wall are Inclined-plane (103) excessively, that is, forms taper blanking chamber (104), the cone angle of taper blanking chamber (104) is 140-155 degree, most preferably About 150 degree, the furnace chamber on trunnion (18) top is dry materials chamber；The fire grate (15) is rocking type grate, and shaft (151) both sides are fixedly connected on by more shafts (151) and distribution Wing bar (152) is constituted, and each wing bar (152) is interspersed, more shafts (151) by link mechanism (153) and furnace body (10) outside Handle (154) drives rotation to swing；The blast pipe (16) for the lower end for leading to fire grate (15), the outlet air port of blast pipe (16) are connected on furnace body (10) (161) it is located at the downward outlet air of fire grate (15) central part, so that finely dispersed when the upward baffling of air pass through fire grate (15)；The upper port (181) of the trunnion (18) to fire grate (15) upper surface is material gasification zone, height H=650- 750cm。
- 3. house refuse low temperature pyrogenation gasification installation according to claim 2, it is characterized in that：The air magnetization air supply device (2), by air blower (21), air magnetizer (22), volume damper (23), check Valve (24) and connecting pipe are constituted；Air magnetizer (22) is by shell (221), strong permanent magnetic iron (222), permanent magnet mounting bracket (223) it constitutes, permanent magnet mounting bracket (223) is fixedly mounted in shell (221), the poles S of pairs of strong permanent magnetic iron (222) and N Extremely correspondence is fixedly mounted on permanent magnet mounting bracket (223), and air is sent into through air blower (21) in air magnetizer (22), from one End enters the other end and flows out, and the high-intensity magnetic field formed between the strong permanent magnetic iron (222) of mounted in pairs magnetizes the air of process, quilt Magnetized air inputs furnace body through volume damper (23) adjusting control, through non-return valve (24) by the blast pipe (16) Interior fire grate (15) lower part.
- 4. house refuse low temperature pyrogenation gasification installation according to claim 2, it is characterized in that：The water seal fire arrestor (3), including case cylinder (30), snorkel (31), the lower part in case cylinder (30) are sink (32), are led to Tracheae (31) leads to the furnace body escape pipe (12), and snorkel (31) extend into case cylinder (30) interior lower part from case cylinder (30) top Sink (32) liquid level under, exhaust outlet (33) is offered on the top of case cylinder (30), in case cylinder (exhaust outlet (33) in 300 Lower part is equipped with water fender (34), and water filling port (35) is offered on case cylinder (30), and water level indicating gage is equipped in case cylinder (30) lower part (36), breast hole (37) is offered in case cylinder (30) lower part or bottom, corresponding to sink (32) in case cylinder (30) lower part is provided with difference Offer tar outlet (38a, 38b), sewage arranges clearly mouth (39).
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| CN201810593757.4A CN108546557A (en) | 2018-06-11 | 2018-06-11 | House refuse low temperature pyrogenation gasification method and pyrolysis gasifying device |
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| CN109489042A (en) * | 2018-12-03 | 2019-03-19 | 广西昇跃环保科技有限公司 | Fire grate used in a kind of house refuse flash mineralization treater |
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| CN109489042A (en) * | 2018-12-03 | 2019-03-19 | 广西昇跃环保科技有限公司 | Fire grate used in a kind of house refuse flash mineralization treater |
| CN109945195A (en) * | 2019-03-20 | 2019-06-28 | 北京中和锦程科技有限公司 | Low temperature magnetization cracking equipment for organic waste |
| CN109838569A (en) * | 2019-03-27 | 2019-06-04 | 郑仲新 | A kind of liquid packing for preventing material from leaking out |
| CN109838569B (en) * | 2019-03-27 | 2023-10-03 | 湖南野百和科技有限公司 | Water seal device for preventing materials from leaking |
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| CN112716852A (en) * | 2021-01-17 | 2021-04-30 | 陈星宇 | Preparation method of shampoo capable of preventing hair loss, growing hair and blackening white hair |
| CN113418190A (en) * | 2021-05-25 | 2021-09-21 | 辽宁中农承天环境科技有限公司 | Domestic waste magnetization pyrolysis gasification treatment device |
| CN114923185A (en) * | 2022-03-22 | 2022-08-19 | 洛阳亚联环境科技有限公司 | Two segmentation organic garbage pyrolysis device |
| CN115338235A (en) * | 2022-07-15 | 2022-11-15 | 上海化工院环境工程有限公司 | Efficient anaerobic degradation furnace and method for treating household garbage |
| CN115338235B (en) * | 2022-07-15 | 2024-01-23 | 上海化工院环境工程有限公司 | Efficient anaerobic degradation furnace and method for treating household garbage |
| CN118423688A (en) * | 2024-05-15 | 2024-08-02 | 天津大学 | A method for rapid pyrolysis and gasification of medical waste using plasma arc ignition |
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