CN104006391B - A kind of incinerator for medical garbage applying oxygen-enriched combustion technology - Google Patents
A kind of incinerator for medical garbage applying oxygen-enriched combustion technology Download PDFInfo
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- CN104006391B CN104006391B CN201310062084.7A CN201310062084A CN104006391B CN 104006391 B CN104006391 B CN 104006391B CN 201310062084 A CN201310062084 A CN 201310062084A CN 104006391 B CN104006391 B CN 104006391B
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 152
- 239000001301 oxygen Substances 0.000 title claims abstract description 144
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 144
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 141
- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 86
- 239000003546 flue gas Substances 0.000 claims abstract description 58
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 57
- 238000005422 blasting Methods 0.000 claims abstract description 25
- 239000002906 medical waste Substances 0.000 claims abstract description 20
- 239000002737 fuel gas Substances 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 27
- 230000008569 process Effects 0.000 claims description 14
- 239000012528 membrane Substances 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 8
- 239000000779 smoke Substances 0.000 claims description 8
- 238000012856 packing Methods 0.000 claims description 7
- 230000005855 radiation Effects 0.000 claims description 7
- 235000019504 cigarettes Nutrition 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 239000002912 waste gas Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010304 firing Methods 0.000 description 24
- 230000009977 dual effect Effects 0.000 description 20
- 238000004056 waste incineration Methods 0.000 description 9
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 7
- 239000002920 hazardous waste Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
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- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 208000015181 infectious disease Diseases 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
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- 230000007096 poisonous effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 208000024172 Cardiovascular disease Diseases 0.000 description 1
- 208000035473 Communicable disease Diseases 0.000 description 1
- 206010011409 Cross infection Diseases 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- -1 Ether compound Chemical class 0.000 description 1
- 206010028980 Neoplasm Diseases 0.000 description 1
- 206010029803 Nosocomial infection Diseases 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- QRSFFHRCBYCWBS-UHFFFAOYSA-N [O].[O] Chemical compound [O].[O] QRSFFHRCBYCWBS-UHFFFAOYSA-N 0.000 description 1
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- 230000002526 effect on cardiovascular system Effects 0.000 description 1
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
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- 239000004744 fabric Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 150000002240 furans Chemical class 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 231100001261 hazardous Toxicity 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000036737 immune function Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000002440 industrial waste Substances 0.000 description 1
- 229910000765 intermetallic Inorganic materials 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 150000003071 polychlorinated biphenyls Chemical class 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Incineration Of Waste (AREA)
- Air Supply (AREA)
Abstract
The invention discloses a kind of incinerator for medical garbage applying oxygen-enriched combustion technology, belong to environment protecting power economizer field.This incinerator includes incinerator main body, the second combustion chamber, combustion fan, oxygen-enriched blasting system and flue gas afterbody processing system；In medical waste, combustible component resolves into fuel gas (flue gas) in incinerator main body, enters in the second combustion chamber main body and flows downward；Combustion fan sends into combustion air respectively in incinerator main body and the second combustion chamber main body；Oxygen-enriched blasting system is used for producing oxygen rich gas and being introduced by oxygen rich gas in the second combustion chamber main body；Flue gas contacts with the common combustion air entering the second combustion chamber and oxygen rich gas respectively, and forms turbulent flow and disturbance in primary zone, is beneficial to waste gas after-flame.The present invention uses oxygen-enriched combusting equipment and secondary air system will ensure incinerator waste gas burning temperature to greatest extent, advantageously forms the flow-disturbing of secondary combustion chamber, and prolongation flue gas, in the secondary combustion chamber time of staying, decomposes two English.
Description
Technical field
The present invention relates to environment protecting power economizer technical field, be specifically related to a kind of medical treatment applying oxygen-enriched combustion technology
Incinerator.
Background technology
Clinical waste is a kind of contaminative, harmfulness, great clinical waste of mortality.Country's " hazardous waste
Register " in explicitly point out Biohazard Waste be No. 1 hazardous waste.Country's " prevention and control of environmental pollution by solid wastes
Method " centrally dispose the basic principle as preventing and treating hazardous waste and important measures using advance hazardous waste.But it is real
On border for various reasons, a considerable amount of clinical wastes do not obtain processing the most in time.Clinical waste contains
Have substantial amounts of pathogenic bacteria, virus, radioactive substance and more chemical toxicant etc., have extremely strong infectiousness,
Biological virus and corrosivity.Clinical waste its virus, the harmfulness of germ be common house refuse tens,
Hundreds of the most thousands of times.The carelessness of clinical waste is managed, mishandling, not only pollute the environment, can cause
To water body, air, the pollution of soil, and the popular of communicable disease may be caused, directly endanger people's
Health.Owing to carrying the enormous amount of germ in clinical waste, of a great variety, there is space and infect, suddenly
Property infect, cross infection and the features such as infection of hiding, its harmfulness is bigger.
Currently mainly using incinerator to process clinical waste, incineration of waste technology is a kind of high-temperature process skill
Art, the poisonous and harmful substance in refuse at high temperature aoxidizes, is pyrolyzed and is destroyed, and it is harmless to be that one realizes simultaneously
Change, minimizing, the treatment technology of resource.Incinerator smoke mainly contains flue dust, sour gas (HCl,
HF、SO2), metallic compound (heavy metal), CO, the hydro carbons of trace and other organic compound and two English
Class etc..
Two English can be formed, with two compounds due to complicated thermal synthesis reaction during dangerous waste incineration
Relevant compound has a three major types: many chlorodiphenyls diether compounds, includes 75 kinds of isomery objects；Many chlorodiphenyls
Ether compound, also known as many chlorodiphenyls furans, includes 135 kinds of isomery objects；Polychlorinated biphenyls include 203 kinds different
Structure body.They are the most volatile, are not readily dissolved in water, but are dissolved in grease, after entering human body, easily retain, and hold
Easily make immune function of human body impaired, suffer from all kinds of cancer, cardiovascular and cerebrovascular disease etc..Therefore, incineration of waste technology
In want the generation of strict control two English.
National standard is compared to domestic waste incineration system requirements more for medical waste incineration furnace system requirements
For strictly.Country " dangerous waste incineration Environmental capacity standard " (GB18484 2001) and " hazardous waste collection
Middle incineration disposal engineering construction technical specification " hazardous Waste Incineration system wanted by (HJ/T176-2005) etc.
Regulation is asked to be summarized as follows:
(1) design of incinerator should ensure that its service life is not less than 10 years；
(2) technical performance of the used refractory material of incinerator should meet the requirement of incinerator combustion atmosphere, quality
Corresponding technical standard should be met, it is possible to bear the alternating thermal stress of incinerator duty；
(3) should have suitable redundant processing capabilities, feeds waste amount should be adjustable；
(4) incinerator should arrange explosion proof door or other blasting protection facilities;Dump chimney should be set behind combustion chamber, and
Arranging linkage makes it just can only start when accident or the state of emergency；
(5) must be equipped with automatic controlling and monitoring system, Real time displaying operating condition and exhaust emissions parameter, and energy
Enough automatic feedbacks, automatically adjust to relevant main technologic parameters；
(6) guarantee that in incinerator exiting flue gas, oxygen content reaches ＞ 6%-10% (dry flue gas)；
(7) secondary combustion chamber, and ensure that flue gas is more than 2s in more than the 1100 DEG C time of staying of secondary combustion chamber；
(8) slag clinker ignition loss answers 5%；
(9), under normal running (operation) conditions, in incinerator, should be at negative-pressure firing state；
(10) burn control condition and should meet country GB18484-2001 " dangerous waste incineration Environmental capacity standard "
In pertinent regulations.
HJ177 " disposing engineering construction technical specification at hazardous waste centralized burning " is distinctly claimed: the most true
Protect oxygen content 6-10%(dry flue gas in incinerator exiting flue gas), 2. dual firing chamber is set, and ensures that flue gas exists
More than the 1100 DEG C time of staying of dual firing chamber are more than 2S.These requirements are primarily to ensure pernicious gas in flue gas
Decomposition and elimination.Actually incinerator outlet oxygen content ensures more than 6-10% or more than this numerical value, all
Be difficult to ensure dual firing chamber temperature, and in dual firing chamber's combustion process the supplementing and control improper all can not of combustion air volume
Ensure temperature more than 1100 DEG C.Incinerator is fuel used is that incinerator is burned based on oil and clinical waste
In journey moment or in short-term in occur that black smoke phenomenon is mainly material burning (mainly free carbon) not to the utmost and is caused.
The main cause producing black smoke is anoxic in incinerator, combustion-supporting in the insufficient mainly stove of moment material burning
Wind oxygen is not enough.And if occurring that the black smoke stage replaces air-breathing with oxygen-enriched combustion-supporting, be possible not only to improve fire
Flame temperature, increases combustion intensity, accelerates burning velocity, and the utilization rate of fuel also can significantly improve, black smoke phenomenon
Just can eliminate.Oxygen-enriched combustion technology and the matching technique of medical waste incineration furnace dual firing chamber, be directly connected to burn
Burn quality and the process of clinical waste of the important indicators such as energy-conservation, the volume increase of furnace apparatus, service life, environmental protection
Effect.
Summary of the invention
It is an object of the invention to provide a kind of incinerator for medical garbage applying oxygen-enriched combustion technology, this device will
Oxygen-enriched combustion technology is used for incinerator, makes incineration firing process meet country's respective specified, this device simultaneously
There is the features such as energy-conserving and environment-protective.
The technical scheme is that
A kind of incinerator for medical garbage applying oxygen-enriched combustion technology, including incinerator for medical garbage main body, second
Combustion chamber main body, combustion fan, oxygen-enriched blasting system and flue gas afterbody processing system；Wherein:
Incinerator for medical garbage main body: for filling and the burning of medical refuse burning thing；Medical waste is herein
Burning is oxygen debt negative-pressure firing, and in medical waste, combustible component resolves into fuel gas (flue gas), fuel gas (cigarette
Gas) flue that is provided above by incinerator main body enters burning in the second combustion chamber main body；In incinerator main body
Smoke outlet flue-gas temperature >=850 DEG C more than.Burn in incinerator main body, based on air-breathing, but
Local can be taked if desired to increase oxygen-enriched mode and to ensure this technology requirement.
Second combustion chamber main body: enter in the second combustion chamber main body from incinerator body exit flue gas out,
In two combustion chamber main bodys, ignition temperature is at 950 DEG C more than-1000 DEG C, and two English decompose after-flame herein；Second combustion
Burning room main body is cylinder-like structure, and top arranges flue entrance, arranges wind-distributing pipe at flue entrance, and flue gas is through cloth
Airduct enters in the second combustion chamber main body and flows downward, and is additionally provided with for monitoring temperature in the second combustion chamber main body
Thermocouple and igniter (when flue gas enters the second combustion chamber from incinerator main body, flue-gas temperature is too low or not
When can burn, starting ignition device, auxiliary is needed to improve the second burning Indoor Combustion temperature).
Combustion fan: send into combustion air respectively in incinerator for medical garbage main body and the second combustion chamber main body；
Combustion fan connects incinerator lower body part by being provided with the pipeline of opening/shutting valve, can select according to actual conditions
Whether in incinerator main body, send into combustion air；Combustion fan connects the second combustion chamber master by main air supply duct
Body, combustion air is inverse flue gas flow direction in the second combustion chamber main body, rotates upwards, along combustion chamber main body inner circle
Send into combustion air clockwise and tangentially, form turbulent flow and disturbance with the flue gas entering the second combustion chamber main body.
Oxygen-enriched blasting system: for producing oxygen rich gas and the oxygen rich gas of generation being introduced the second combustion chamber main body
In；Including oxygen-enriched blasting pipeline and embrane method oxygen generation system；It is oxygen-enriched that described embrane method oxygen generation system includes being sequentially connected with
Membrane module, water ring vacuum pump, oxygen rich gas surge tank and booster fan, it is oxygen-enriched that embrane method oxygen generation system produces
Gas respectively enters incinerator main body and secondary combustion chamber main body by the oxygen-enriched blasting pipeline connected on booster fan
In；Oxygen-enriched blasting pipeline is when to the second combustion chamber main body air-supply, and its direction is inverse flue gas flow direction, rotate upwards,
Along combustion chamber inner circle counterclockwise-tangentially send into oxygen rich gas, form rapids with the flue gas entering the second combustion chamber main body
Stream and disturbance.
Oxygen-enriched control system: the second combustion chamber master of the thermocouple feedback by being arranged in the second combustion chamber main body
Internal ignition temperature adjusts the quantity delivered of oxygen rich gas, thus controls the second burning Indoor Combustion temperature.
Flue gas afterbody processing system: the process of the produced tail gas of smoke combustion in the second combustion chamber main body, even
It is connected to the second combustion chamber lower body part.
Described oxygen-enriched blasting pipeline is provided with oxygen rich gas electricity and adjusts valve, for regulating the richness flowed in the second combustion chamber
Carrier of oxygen flow.Described water ring vacuum pump is connected with heat radiation cooling device, dissipates for water ring vacuum pump carries out cooling
Heat.
In oxygen-enriched blasting system of the present invention: oxygen-enriched membrane component (membrane stack): use spot plane position according to technological project
Put stacking membrane module, can horizontal layout, it is possible to upwards pile up.
Water ring vacuum pump: use vacuum drawn mode, sends into oxygen rich gas and delays after being enriched with by the oxygen rich gas of membrane stack
Rush tank.
Oxygen rich gas surge tank: described oxygen rich gas surge tank includes airtight tank body and packing layer, described filler
Layer is arranged in the middle part of tank body, and tank wall bottom arranges gas access, and side wall upper part arranges gas vent.Described
Tank diameter >=1m, tank body height >=2.5m.Oxygen rich gas through water ring vacuum pump be enriched with while, oxygen rich air
Body water content is the highest, after the gas access of oxygen rich gas surge tank enters oxygen rich gas surge tank, due to tank body
Volume design is relatively big, and the speed of oxygen rich gas reduces, by oxygen rich gas after additionally oxygen rich gas passes through packing layer
Water removing, the oxygen rich gas after dehydration enters booster fan from the gas vent of tank body, the water separated from
The pipeline of tank base discharges (tank base sets outlet, and outlet is connected to the pipeline of draining).
Booster fan: relatively low from oxygen rich gas surge tank oxygen rich gas pressure out, it is impossible to overcome follow-up flow process
In resistance, after therefore carrying out supercharging by booster fan, improve after oxygen rich gas pressure and can enter burner
In.
The design principle of the incinerator for medical garbage of present invention application oxygen-enriched combustion technology is as follows:
1, research shows that two English class materials can decompose more than 850 DEG C completely, is using rich Combustion Technics part
Under bar, dual firing chamber's technological temperature is made to be strict controlled in more than 1100 DEG C especially.The concentration of O2, more than 6%, is protected
Card combustible fumes in main chamber (incinerator combustion chamber main body) and the second-time burning indoor time of staying at more than 2s,
Can decompose in burning completely so that easily generating two English class materials.
2, dual firing chamber that is designed and that manufacture, after the fuel gas helping combustion grate to release enters dual firing chamber, cigarette
Gas flows downward.And respectively oxygen rich gas and common combustion air are taked spiral, reverse upwards air feed form.
Two groups of wind and combustible fumes form turbulent flow and disturbance in stove, it is possible to make flue gas fully burn.
3, oxygen-enriched blasting system is divided into two groups of pipelines respectively to burning main stove and dual firing chamber's air-supply.Burn main stove general
For anoxic gasification, and combustion, but according to standard-required, " must assure that ignition temperature more than 850 DEG C, even if burning
When thing calorific value is less than 4.18 × 106J/kg, it is also desirable to ensure temperature more than 750 DEG C ".When burning main stove special
In the case of can not meet when requiring, start oxygen-enriched air feed system and can also reach and meet standard-required.
4, dual firing chamber adds oxygen-enriched combustion-supporting, can improve dual firing chamber's ignition temperature, it is also ensured that " dual firing chamber goes out
Oxygen content in mouthful flue gas must not be less than 6% " etc. standard clause requirement.In dual firing chamber, design combustion air adds hot charging
Put raising air-breathing and the temperature of oxygen-enriched combustion-supporting wind, beneficially waste gas burning, it is ensured that refuse, waste gas after-flame.
5, booster fan is utilized to increase oxygen-enriched aspiration pressure, it is ensured that shape between oxygen-enriched combustion-supporting wind and air-breathing air intake
Become disturbance, and form flow-disturbing and turbulent flow in flue gas, extend flue gas at residing time in furnace as far as possible.
6, funeral profession, waste incineration (including medical wastes incineration) are confirmed as China two English and reduce discharging and control
The key industry of system, and high-temp combustion is one of elimination and the most effective way reducing dioxin.Incinerator is fired
The usual calorific value of material burnt is relatively low, is difficult to ensure that incinerator temperature is more than 850 DEG C in burning.Research shows,
Dioxin can thoroughly decompose more than 820 DEG C and be difficult to convert and become.Oxygen-enriched combusting burning can improve burns
Burn stove ignition temperature, to thoroughly decomposing dioxin, can play an important role.
7, combustion room (incinerator main body) is in anaerobic condition (going back oxygen atmosphere), the oxidation in combustion-supporting gas all the time
Atoms C, H in waste gas is combined, and Cu, AL, Fe etc. are difficult to oxidized, the generation ring of dioxin
Border is more weak.Combustible component resolves into fuel gas, and introduces dual firing chamber's burning, dual firing chamber's temperature 850 DEG C with
On, gas residence time more than 2 seconds, it is ensured that the complete decomposition combustion of poisonous and hazardous organic gas, thus protect
Demonstrate,prove the abundant decomposition of dioxin.Owing to dual firing chamber is gas combustion, it is to avoid the carbon residue in flue gas exists, and cuts
The weak build environment of dioxin.In dual firing chamber, temperature is up to more than 850 DEG C, and flue gas stops much larger than 2 seconds,
All of organic matter can be burnt；A dead angle is not had, therefore a homogeneous temperature in dual firing chamber's internal cause, will not residual harmful
Organic matter.
8, two English classes do not naturally occur at nature, and the main activity by the mankind is such as burned, smelts, made
The process such as paper, Chemical Manufacture produces, and wherein the burning process such as rubbish and industrial waste is that two English are topmost next
Source.The two English classes produced by incinerator are high toxicity, high cumulative compound, it is possible at people's cylinder accumulation
Enrichment, very harmful.He has high-melting-point, high boiling feature, and chemical property is the most stable.But temperature
The highest, the decomposition rate of two English is the fastest.The two English amounts that actually incinerator burning produces are far above rubbish originally
Body is with amount.When ignition temperature is more than 850 DEG C, easily decompose.Control measure in burning process are improved and are burnt
Burn operating mode, it is ensured that stable, sufficiently burning is to control the important means that two English predecessors produce.Control burning
Operating mode most efficient method is exactly that so-called " 3T+E " is theoretical.I.e. fire box temperature (Temperatue) 850 DEG C with
Upper (preferably more than 900 DEG C), make two English classes decompose completely；Ensure that flue gas has enough time of staying in stove
At more than 2s, combustible is made to burn completely；The Proper Design of optimization of combustion boiler, reasonable wind distribution, improves flue gas
Turbulivity (Turbulence), improve heat transfer, mass transfer effect；Ensure enough burner hearth air quantity delivered (Excess
Air), the oxygen of excess ensure that fully burning.Visible oxygen-enriched combustion-supporting method can effectively help and solve institute
" 3T+E " of meaning is theoretical.
9, burning main combustion zone and be in anoxic reducing zone, temperature controls at about 850 DEG C, and flue gas continues to be fed into two
The thorough oxidized decomposition of secondary burning indoor exhaust air, second-time burning indoor temperature is higher, generally significantly larger than 850
More than DEG C.Flue gas is after secondary combustion chamber high-temp combustion, and two English class materials have been basically eliminated, and studies table
Bright, two English clearances are up to 99.9999%.To sum up oxygen-enriched combusting effect is fairly obvious.
10, the technology of the present invention is applicable to incinerator, medical waste incineration furnace, funeral and interment cremator, slaughterhouse
Incinerators etc. are provided with the combustion system of dual firing chamber.
Advantages of the present invention and having the beneficial effect that:
1, CIU have employed in incinerator main body after pyrolysis, and flue gas enters dual firing chamber's application oxygen enrichment technology and makes
Waste gas burns thoroughly completely, and the exhaust gas volumn of generation is less, and additionally the application of oxygen-enriched combustion technology can be prevented effectively from and burn
The phenomenon that temperature that burning system accidentally occurs is low, makes the particle burning in flue gas complete.
2, through water ring vacuum pump oxygen rich gas out in prior art, water separator and gas are sequentially passed through
Buffer unit carries out the buffering of steam-water separation and gas respectively, and the oxygen rich gas surge tank designed by the present invention is then same
The steam-water separation of Shi Shixian oxygen rich gas and the effect of buffering, it may be assumed that through water ring vacuum pump gas out with one
Quantitative water, after this portion gas enters oxygen rich gas surge tank, also by the water in gas while flow-reduction
Divide removing.This design, compared to prior art, had both been saved floor space, had been saved again equipment manufacturing cost.
3, ignition temperature in oxygen-enriched combustion technology can effectively ensure that stove, to decompose, suppression dioxin generation incite somebody to action
To irreplaceable effect.Testing data shows that pernicious gas-dioxin can thoroughly eliminate in high temperature environments,
And be difficult to synthesize again.The difficult problem of environmental protection can be effectively solved hence with rich Combustion Technics in the present invention.
4, the possible trouble particle after-flame can being effectively ensured in flue gas with oxygen-enriched combustion technology in the present invention.Use oxygen-enriched
Combustion apparatus and secondary air system will ensure incinerator waste gas burning temperature to greatest extent, advantageously form secondary
The flow-disturbing of combustion chamber, prolongation flue gas, in the secondary combustion chamber time of staying, decomposes two English.
Accompanying drawing explanation
Fig. 1 is the incinerator for medical garbage structural representation of present invention application oxygen-enriched combustion technology.
Fig. 2 is the structural representation of oxygen-enriched blasting system in Fig. 1.
Fig. 3 is the second chamber structure schematic diagram in the present invention.
Fig. 4 is oxygen rich gas buffer tank structure schematic diagram in the present invention.
Fig. 5 is A-A face generalized section in Fig. 3.
Fig. 6 is B-B face generalized section in Fig. 3.
Fig. 7 is C-C face generalized section in Fig. 3.
Wherein: 1-incinerator main body；2-combustion fan；3-oxygen-enriched blasting pipeline；4-the second combustion chamber main body；41-
Main air supply duct；42-wind-distributing pipe；43-igniter；44-thermocouple；5-embrane method oxygen generation system；51-supercharging wind
Machine；52-oxygen rich gas surge tank；521-tank body；522-packing layer；523-gas vent；524-gas access；
53-water ring vacuum pump；54-oxygen-enriched membrane component；55-heat radiation cooling device；56-trench；6-flue gas afterbody processes system
System.
Detailed description of the invention
The present invention is described in detail in detail below in conjunction with the accompanying drawings.
As shown in figs. 1-7, the incinerator for medical garbage of present invention application oxygen-enriched combustion technology includes that medical waste is burnt
Burn furnace main body the 1, second combustion chamber main body 4, combustion fan 2, oxygen-enriched blasting system and flue gas afterbody and process system
System 6；Wherein:
In medical waste, combustible component resolves into fuel gas (flue gas), and fuel gas (flue gas) passes through incinerator
The flue that main body 1 is provided above enters burning in the second combustion chamber main body 4；Flue gas in incinerator main body 1 goes out
At Kou more than flue-gas temperature >=850 DEG C.
In second combustion chamber main body 4, ignition temperature is at 950 DEG C more than-1000 DEG C, and two English decompose after-flame herein；
Second combustion chamber main body 4 is cylinder-like structure, and top arranges flue entrance, arranges wind-distributing pipe 42 at flue entrance,
Flue gas is in wind-distributing pipe 42 enters the second combustion chamber main body 4 and flows downward, and also sets in the second combustion chamber main body 4
The thermocouple 44 for monitoring temperature and igniter 43(is had to enter the second burning when flue gas from incinerator main body
During room, flue-gas temperature is too low when maybe can not burn, and needs starting ignition device, auxiliary to improve the second combustion chamber internal combustion
Burn temperature), as shown in Figure 4, figure is connected with main air supply duct in Fig. 3 two respectively with at F at E.
Combustion fan 2 connects incinerator main body 1 bottom by being provided with the pipeline of opening/shutting valve, and combustion fan 2 leads to
Crossing main air supply duct 41 and connect the second combustion chamber main body 4, combustion air is inverse cigarette in the second combustion chamber main body 4
Air-flow to, rotate upwards, send into combustion air (Fig. 5) clockwise and tangentially along combustion chamber main body 4 inner circle, with
The flue gas entering the second combustion chamber main body 4 forms turbulent flow and disturbance.
Oxygen-enriched blasting system is for producing oxygen rich gas and the oxygen rich gas of generation introducing the second combustion chamber main body
In, its structure is as shown in Figure 2；Including oxygen-enriched blasting pipeline 3 and embrane method oxygen generation system 5；Described embrane method oxygen
Oxygen-enriched membrane component 54 that system 5 includes being sequentially connected with, water ring vacuum pump 53, oxygen rich gas surge tank 52 and
Booster fan 51, the oxygen rich gas that embrane method oxygen generation system 5 produces is sent by the oxygen-enriched of connection on booster fan 51
Air pipe line 3 respectively enters in incinerator main body 1 and secondary combustion chamber main body 4；Oxygen-enriched blasting pipeline 3 is to
When two combustion chamber main bodys 4 are blown, its direction is inverse flue gas flow direction, rotate upwards, counterclockwise along combustion chamber inner circle
-tangentially send into oxygen rich gas (Fig. 6), form turbulent flow and disturbance with the flue gas entering the second combustion chamber main body 4.
Described oxygen rich gas surge tank 52 includes airtight tank body 521 and packing layer 522, described packing layer 522
Being arranged in the middle part of tank body 521, tank body 521 lower sidewall arranges gas access 524, and side wall upper part arranges gas
Outlet 523.Described tank diameter >=1m, tank body height >=2.5m.
Second combustion chamber of oxygen-enriched control system thermocouple 44 feedback by being arranged in the second combustion chamber main body 4
In main body, ignition temperature adjusts the quantity delivered of oxygen rich gas, thus controls the second burning Indoor Combustion temperature.
Flue gas afterbody processing system 6 is connected to the second combustion chamber lower body part, cigarette in the second combustion chamber main body
The process of the produced tail gas of gas firing.
Described oxygen-enriched blasting pipeline 3 is provided with oxygen rich gas electricity and adjusts valve, in regulating inflow the second combustion chamber
Oxygen rich gas flow.Described water ring vacuum pump 53 is connected with heat radiation cooling device 55, for water ring vacuum pump 53
Carry out cooling heat radiation.
In oxygen-enriched blasting system of the present invention: oxygen-enriched membrane component (membrane stack): use spot plane position according to technological project
Put stacking membrane module, can horizontal layout, it is possible to upwards pile up.
Water ring vacuum pump: use vacuum drawn mode, sends into oxygen rich gas and delays after being enriched with by the oxygen rich gas of membrane stack
Rush tank.
Oxygen rich gas surge tank: oxygen rich gas is while water ring vacuum pump is enriched with, and oxygen rich gas water content is very
Height, after entering oxygen rich gas surge tank buffering, gas-water separation gas velocity simultaneously reduces, the oxygen rich air after dehydration
Body enters booster fan.
Booster fan: oxygen rich gas surge tank oxygen rich gas pressure out is relatively low, it is impossible to overcome in follow-up flow process
Resistance, after therefore carrying out supercharging by booster fan, improve after oxygen rich gas pressure and can enter in burner.
Waste water is entered trench 56, oxygen rich gas by installing valvular pipeline by described heat radiation cooling device 55
Waste water is entered trench 56 by being provided with the pipeline of valve and pipeline pump by surge tank 52, the valve that pipeline is arranged
Door can periodically turn on waste discharge.
Claims (5)
1. the incinerator for medical garbage applying oxygen-enriched combustion technology, it is characterised in that: this incinerator bag
Include incinerator for medical garbage main body, the second combustion chamber main body, combustion fan, oxygen-enriched blasting system and flue gas tail
Portion's processing system；Wherein:
Incinerator for medical garbage main body: for filling and the burning of medical refuse burning thing, flammable in medical waste
Composition resolves into fuel gas herein, and the flue that fuel gas is provided above by incinerator main body enters second
Burning in the main body of combustion chamber；
Second combustion chamber main body: burn in the second combustion chamber main body from incinerator main body flue gas out, burning
Temperature is at 950-1000 DEG C；Described second combustion chamber main body is cylinder-like structure, and top arranges flue entrance, cigarette
Porch, road arranges wind-distributing pipe, and flue gas is in wind-distributing pipe enters the second combustion chamber main body and flows downward, the second combustion
It is provided with the thermocouple for monitoring temperature and igniter in burning room main body；
Combustion fan: send into combustion air respectively in incinerator main body and the second combustion chamber main body；
Oxygen-enriched blasting system: be used for producing oxygen rich gas and being introduced by oxygen rich gas in the second combustion chamber main body, bag
Include oxygen-enriched blasting pipeline and embrane method oxygen generation system；Oxygen-enriched membrane component that described embrane method oxygen generation system includes being sequentially connected with,
Water ring vacuum pump, oxygen rich gas surge tank and booster fan, the oxygen rich gas that embrane method oxygen generation system produces passes through
The oxygen-enriched blasting pipeline connected on booster fan respectively enters in incinerator main body and secondary combustion chamber main body；
Flue gas afterbody processing system: the process of the produced tail gas of smoke combustion in the second combustion chamber main body, even
It is connected to the second combustion chamber lower body part；
Described combustion fan connects incinerator lower body part by being provided with the pipeline of opening/shutting valve；Combustion fan passes through
Main air supply duct connects the second combustion chamber main body, and combustion air is inverse flue gas flow direction in the second combustion chamber main body,
Rotate upwards, send into combustion air clockwise and tangentially along combustion chamber main body inner circle, and enter the second combustion chamber master
The flue gas of body forms turbulent flow and disturbance；
Described oxygen-enriched blasting pipeline is when to the second combustion chamber main body air-supply, and its direction is inverse flue gas flow direction, rotates
Upwards, along combustion chamber inner circle counterclockwise-tangentially send into oxygen rich gas, with the flue gas entering the second combustion chamber main body
Form turbulent flow and disturbance.
The incinerator for medical garbage of application oxygen-enriched combustion technology the most according to claim 1, it is characterised in that:
Described incinerator for medical garbage also includes oxygen-enriched control system, is by being arranged on the heat in the second combustion chamber main body
In second combustion chamber main body of galvanic couple feedback, ignition temperature adjusts the quantity delivered of oxygen rich gas, thus controls second
Burning Indoor Combustion temperature.
The incinerator for medical garbage of application oxygen-enriched combustion technology the most according to claim 1, it is characterised in that:
Described oxygen rich gas surge tank includes that airtight tank body and packing layer, described packing layer are arranged in the middle part of tank body, tank
Body sidewall bottom arranges gas access, and side wall upper part arranges gas vent；Described tank diameter >=1m, tank body is high
Degree >=2.5m.
The incinerator for medical garbage of application oxygen-enriched combustion technology the most according to claim 1, it is characterised in that:
Described oxygen-enriched blasting pipeline is provided with oxygen rich gas electricity and adjusts valve, for regulating the oxygen rich air flowed in the second combustion chamber
Body flow.
The incinerator for medical garbage of application oxygen-enriched combustion technology the most according to claim 1, it is characterised in that:
Described water ring vacuum pump is connected with heat radiation cooling device, for water ring vacuum pump carries out cooling heat radiation.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106180141A (en) * | 2015-01-06 | 2016-12-07 | 苏州多固工程设计有限公司 | A kind of manufacture method of medical waste high-efficient treatment device |
| CN106996568A (en) * | 2016-01-23 | 2017-08-01 | 广西阿凡达节能设备有限公司 | A kind of efficient combustion-supporting incinerator |
| CN106402902A (en) * | 2016-09-18 | 2017-02-15 | 昆明理工大学 | Method for incinerating dangerous solid wastes by utilizing high-concentration oxygen |
| CN106949480A (en) * | 2017-04-07 | 2017-07-14 | 唐山烁宝焊接设备有限公司 | A kind of pyrogenation incinerator |
| CN109899804A (en) * | 2019-04-02 | 2019-06-18 | 上海多灵环保工程设备有限公司 | A kind of waste incinerator with banking combustion function |
| CN110793036A (en) * | 2019-10-29 | 2020-02-14 | 刘咏 | Oxygen-enriched combustion-supporting incinerator for medical waste treatment |
| CN112762459B (en) * | 2020-12-22 | 2023-05-23 | 无锡市阳泰环境科技有限公司 | Device and method for eliminating dioxin in fly ash |
| CN113137613A (en) * | 2021-04-14 | 2021-07-20 | 中国恩菲工程技术有限公司 | Second combustion chamber flue gas treatment device and second combustion chamber flue gas treatment method |
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