CN106051777A - Porous medium combustion device for garbage pyrolysis - Google Patents
Porous medium combustion device for garbage pyrolysis Download PDFInfo
- Publication number
- CN106051777A CN106051777A CN201610602240.8A CN201610602240A CN106051777A CN 106051777 A CN106051777 A CN 106051777A CN 201610602240 A CN201610602240 A CN 201610602240A CN 106051777 A CN106051777 A CN 106051777A
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- CN
- China
- Prior art keywords
- porous medium
- refuse pyrolysis
- porous
- pyrolysis
- combusting device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
Abstract
The invention relates to the technical field of garbage pyrolysis, in particular to a porous medium combustion device for garbage pyrolysis. The porous medium combustion device for garbage pyrolysis comprises a combustion cavity body, a porous medium and an igniter; an intake port is formed in one end of the combustion cavity body, and an air spraying port is formed in the other end; the porous medium is arranged in the combustion cavity body, and is filled in a position near the air spraying port; and a fire spraying port of the igniter is formed in the air spraying port. The porous medium is filled at the front end of the air spraying port in the combustion cavity body; a mixed gas fuel is sprayed out through the porous medium, is ignited by the igniter for combustion to enter a hearth, and is fully burnt to provide the working conditions of high pyrolysis sufficiency efficiency, good stability, high strength, small size and low pollutant discharge for garbage pyrolysis; the load adjusting range of the combustion device is widened; and meanwhile, a low-heat-value fuel can be used for realizing stable combustion to enhance the fuel adaptability of the combustion device.
Description
Technical field
The present invention relates to refuse pyrolysis technical field, particularly relate to a kind of multi-hole medium combustion for refuse pyrolysis and fill
Put.
Background technology
Refuse pyrolysis technology refer under anaerobic or oxygen deficient atmospheres, carry out rubbish to heat and produce pyrolysis gas, fuel oil and
The Technology of carbon residue, for garbage incineration technology, refuse pyrolysis technology can effectively control the harmful gass such as two English
Discharge capacity, concurrently facilitate reduce PM2.5 discharge.Refuse pyrolysis is a complicated technology, relates to regenerative resource skill
Multiple scientific domains such as art, Engineering Thermophysics, chemistry.Refuse pyrolysis process is an endothermic process, outside pyrolytic process can be divided into
Hot type and internal heat type two kinds.External-heat pyrolysis installation, utilizes changing between tubulation tissue biological matter high-temperature combustion product and rubbish
Thermal process, provides enough heats for refuse pyrolysis, but the residue phosphorus content after refuse pyrolysis is the highest, and pyrolysis gas
Later purification Processing Equipment is more complicated.Common internal heat type refuse pyrolysis technique includes moving bed pyrolysis technique, double back
Road (rotary kiln+pyrogenation incinerator) pyrolytic process, pure oxygen high temperature pyrolysis technique, double tower fluidized bed pyrolysis technique etc..Wherein, mobile
Bed and double loop technique provide heat by burning the pyrolytic process that a part of rubbish (or auxiliary fuel) is remaining rubbish, although
Its secondary pollution discharge capacity has declined compared with garbage incineration technology purely, but still can not be ignored；It addition, early stage burning
The intervention of product makes in pyrolysis gas containing substantial amounts of N2, pyrolysis gas calorific value is the lowest, if not purifying, is difficult to be used.Pure
Oxygen high temperature pyrolysis technique is similar with aforementioned two kinds of techniques, does not simply recycle air but uses pure oxygen as oxidant tissue one
The early stage of part rubbish is burned, although this technique pyrolysis efficiency is the highest, but the use cost of pure oxygen is the highest.Double tower fluid bed heat
Solving technique, equipment is relative complex.
In recent years, the technology adding porous media in burner is gradually taken seriously.Multi-hole medium combustion technology
It is to utilize Porous Inert Media material to replace free space, utilizes its powerful heat accumulation function much and spoke for gas
Penetrate characteristic and realize thermal feedback, so that the technology that combustion reaction is greatly enhanced.In prior art, porous medium combusting device
Thermic load scope be 50～150 × 104kcal/h, fire box temperature requires the temperature range of 500～1000 DEG C, porous media
Combustion technology has many good qualities: efficiency of combustion is high, combustion stability is good, load regulation range is wide, combustion intensity is high, combustion volume
Little, and pollutant emission is low.Hence with the feature of multi-hole medium combustion technology, applied in refuse pyrolysis technique,
Develop a kind of porous medium combusting device being applicable to refuse pyrolysis and there is the biggest environment benefits and economic gains.
Application number CN201310506916.X, discloses one " domestic garbage pyrolysis and low heat value pyrolysis gas burning one
Metallization processes ", by porous media combustor tissue low heat value pyrolysis gas combustion process in combustion furnace；High-temperature flue gas and water in stove
System carries out heat exchange, extracts a part of middle temperature flue gas in stage casing, combustion furnace, and is conducted in garbage pyrolysis furnace, makes house refuse
(it is made up of N2, CO2, H2O and O2 etc.) under flue gas atmosphere and completes pyrolysis generation low heat value pyrolysis gas；Middle temperature flue gas was for being pyrolyzed
Journey provides enough heats, provides favourable atmosphere for pyrolytic process simultaneously；Utilize cyclone dust extractor that low heat value is pyrolyzed
After gas carries out dust removal process, send into porous media combustor burning；Residue then does harmless treatment.This invention pyrolysis phase by
It is pyrolyzed under house refuse is in oxygen gas environment, easily causes the generation of the harmful gass such as two English, and this invention arranges
Combustion furnace, adds system cost.
Application number CN201420131724.5 discloses one " refuse pyrolysis gasification installation ", described refuse pyrolysis gasification dress
Putting and include pyrolysis gasification furnace, dual firing chamber, the exhanst gas outlet of described pyrolysis gasification furnace is by the gas approach phase of pipeline with dual firing chamber
Connection；Farther including: first group of air line, described first group of air line is arranged on the top of described dual firing chamber, gives vent to anger
End is on described gas approach；Second group of air line, described second group of air line is arranged on described dual firing chamber flue gas
The bottom of import, outlet side is under described gas approach；Flow regulating part, described flow regulating part is arranged on described
On first group of air line and second group of air line.This invention has the rubbish cloth advantage such as uniformly, is favorably improved rubbish
Pyrolytic gasification quality and disposal ability, but there is layout dual firing chamber combustion instability simultaneously, pyrolytic gasification temperature distributing disproportionation is even,
Thus cause pyrolytic gasification efficiency low, and owing to combustion system pipeline is complicated, the shortcoming that burner energy consumption is high.
Therefore, for above not enough, it is desirable to provide a kind of porous medium combusting device for refuse pyrolysis.
Summary of the invention
(1) to solve the technical problem that
The technical problem to be solved in the present invention is that the burner solved for refuse pyrolysis is easily generated harmful gas, gas
Fuel combustion is unstable, insufficient, and the refuse pyrolysis efficiency that pyrolysis gas calorific value is low and skewness causes is low, it is insufficient to be pyrolyzed
The problem high with burner power consumption.
(2) technical scheme
In order to solve above-mentioned technical problem, the invention provides a kind of porous medium combusting device for refuse pyrolysis,
Including burning cavity, porous media and lighter, one end of described burning cavity has air inlet, and the other end has puff prot,
Described porous media is arranged in described combustion chamber body, and is filled in the position near described puff prot, the spray of described lighter
Burner is located in described puff prot.
Wherein, described porous media includes aperture medium block and the macroporous matrix block fitted, and macroporous matrix block is near institute
Stating puff prot, aperture medium block is away from described puff prot.
Wherein, the volume of aperture medium block described in the volume ratio of described macroporous matrix block is big.
Wherein, the aperture of described macroporous matrix block is 2～4mm, and the aperture of described aperture medium block is 1～2mm.
Wherein, the bore of described puff prot is gradually reduced from inside to outside, and inner surface gradient is 15～40 °.
Wherein, described lighter is high-energy ignition burner.
Wherein, it is provided with air inlet pipe at described air inlet.
Wherein, described porous media is foamed ceramics.
Wherein, the thermic load scope of the described porous medium combusting device for refuse pyrolysis be 13～100 ×
104kcal/h。
Wherein, the mixed fuel being passed through in described combustion chamber body is low calorific value gas fuel.
(3) beneficial effect
The technique scheme of the present invention has the advantage that present invention puff prot front end in combustion chamber body is filled with
Porous media, mixed fuel can slow down flow velocity by porous media, is uniformly distributed mixed fuel, improves gaseous mixture
The stability of fluid fuel, when ejection by igniter fire, it is possible to more fully combustion heat release, the generation of minimizing oxygen gas,
Form high heat anaerobic flue gas after burning and enter burner hearth, provide pyrolysis abundant efficiency height, good stability, intensity for refuse pyrolysis
Greatly, volume is little and pollutant discharge amount is little operating mode, and porous media is at ignition mixed fuel of lighter
After can put aside heat, the mixed fuel being passed through after making reaches burning-point in porous media, stablizes combustion heat release, reduces
The load regulation range of burner, can use low calorie fuels to realize stable burning simultaneously, enhance burner
Fuel tolerance, burner is not required to constant ignition device, and energy consumption reduces.
Except the technical characteristic of technical scheme that described above present invention solves the technical problem that, constitute and there is this
Outside the advantage that the technical characteristic of a little technical schemes is brought, the other technologies feature of the present invention and these technical characteristics bring
Advantage, will further illustrate in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 is the porous medium combusting device for refuse pyrolysis of the embodiment of the present invention.
In figure: 1: admission line；2: porous media；3: lighter；4: burning cavity；41: air inlet；42: puff prot.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of not making creative work, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, the invention provides a kind of porous medium combusting device for refuse pyrolysis, including burning cavity
4, porous media 2 and lighter 3, one end of burning cavity 4 has air inlet 41, and the other end has puff prot 42, porous media 2
Being arranged in burning cavity 4, and be filled in the position near puff prot 42, the bocca of lighter 3 is located in puff prot 42.
Present invention puff prot front end in combustion chamber body is filled with porous media, and mixed fuel passes through porous media
Flow velocity can be slowed down, be uniformly distributed mixed fuel, improve the stability of mixed fuel, when ejection by lighter point
Fire, it is possible to more fully combustion heat release, the generation of minimizing oxygen gas, forms high heat anaerobic flue gas and enters burner hearth after burning,
Provide for refuse pyrolysis and be pyrolyzed abundant efficiency height, good stability, intensity is big, volume is little and pollutant discharge amount is little operating mode,
And porous media can put aside heat after ignition mixed fuel of lighter, the mixed gas being passed through after making
Fuel reaches burning-point in porous media, stablizes combustion heat release, reduces the load regulation range of burner, the most permissible
Using low calorie fuels to realize stable burning, enhance the fuel tolerance of burner, burner is not required to constant ignition dress
Putting, energy consumption reduces.
The present invention can realize burner thermic load 13～100 × 104Kcal/h adjustability is stably burnt, and furnace temperature exists
Between 500 DEG C～1100 DEG C controlled.It is 100 × 10 that the present embodiment provides heat absorption ability4Kcal/h's is hot for rubbish
The porous medium combusting device solved, the mixed fuel being passed through in burning cavity 4 is low calorific value gas fuel, and gaseous fuel is
Calorific value is 750kcal/Nm3Blast furnace gas, specified gas flow is 1335Nm3/ h, coefficient of excess air takes 1, combustion-supporting air quantity
935Nm3/h。
Concrete, it being provided with air inlet pipe at air inlet 41, air inlet pipe is preferably the pipeline of DN250, the inside chi of burning cavity
Very little for 600mm × 700mm × 800mm, porous media 2 includes aperture medium block and macroporous matrix block, the macroporous matrix fitted
Block is near puff prot 42, and aperture medium block is away from puff prot 42, and the volume of the volume ratio aperture medium block of macroporous matrix block is big.Many
Hole medium 2 is preferably foamed ceramics, and wherein, aperture medium block is the foamed ceramics in aperture 1～2mm, and volume is 0.021m3, greatly
Hole medium block is the foamed ceramics in aperture 2～4mm, and volume is 0.084m3.The setting of aperture medium block can slow down mixed gas
The flow velocity of fuel, the setting of macroporous matrix block ensure that nozzle burning needed for mixed fuel amount and be mixed gas
Fuel provides bigger combustion heat release space, it is achieved mixed fuel burns comprehensively, provides for refuse pyrolysis and stablizes thermal source.
Preferably, the bore of puff prot 42 is gradually reduced from inside to outside, and inner surface gradient is 15～40 °, it is possible to for spray
The mixed fuel gone out assembles supercharging, and the high-temperature fuel gas produced after increasing mixed fuel burning is passed through the speed of furnace chamber,
Rubbish is conducive to sufficiently to be pyrolyzed.
Further, lighter is high-energy ignition burner, due to the accumulation of energy effect of porous media, during plant running not
Use distributing sustainable ignition burning device.
Be used for the porous medium combusting device initial start stage of refuse pyrolysis in the present invention, low-heat value gas and air are according to one
Certainty ratio enters special gas mixer, enters the air inlet 41 of burning cavity 4, warp after being sufficiently mixed through admission line 1
Spraying after crossing porous media 2, by high-energy ignition mouth ignition, the high-temperature gas after burning enters burner hearth through puff prot 42.
In sum, present invention puff prot front end in combustion chamber body is filled with porous media, and mixed fuel leads to
Small holes medium block can slow down flow velocity, ensure that the mixed fuel amount needed for nozzle burning by macroporous matrix block
And providing bigger combustion heat release space for mixed fuel, it is achieved mixed fuel burns comprehensively, carries for refuse pyrolysis
For stablizing thermal source.The abundant combustion heat release of mixed fuel can reduce the generation of oxygen gas, forms high heat after burning
Anaerobic flue gas enter burner hearth, for refuse pyrolysis provide pyrolysis abundant efficiency height, good stability, intensity is big, volume is little and pollution
The operating mode that thing discharge capacity is little, and porous media can put aside heat after ignition mixed fuel of lighter,
The mixed fuel being passed through after making reaches burning-point in porous media, stablizes combustion heat release, reduces the negative of burner
Lotus range of accommodation, can use low calorie fuels to realize stable burning simultaneously, enhance the fuel tolerance of burner, burning
Device is not required to constant ignition device, and energy consumption reduces.The high temperature that the inclined design of spout produces after increasing mixed fuel burning
Combustion gas is passed through the speed of furnace chamber, beneficially rubbish and is sufficiently pyrolyzed.
Last it is noted that above example is only in order to illustrate technical scheme, it is not intended to limit；Although
With reference to previous embodiment, the present invention is described in detail, it will be understood by those within the art that: it still may be used
So that the technical scheme described in foregoing embodiments to be modified, or wherein portion of techniques feature is carried out equivalent；
And these amendment or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (10)
1. the porous medium combusting device for refuse pyrolysis, it is characterised in that: include burn cavity, porous media and point
Firearm, one end of described burning cavity has air inlet, and the other end has puff prot, and described porous media is arranged at described burning
In cavity, and being filled in the position near described puff prot, the bocca of described lighter is located in described puff prot.
Porous medium combusting device for refuse pyrolysis the most according to claim 1, it is characterised in that: described porous is situated between
Matter includes aperture medium block and the macroporous matrix block fitted, macroporous matrix block near described puff prot, aperture medium block away from
Described puff prot.
Porous medium combusting device for refuse pyrolysis the most according to claim 2, it is characterised in that: described macropore is situated between
Described in the volume ratio of mass, the volume of aperture medium block is big.
Porous medium combusting device for refuse pyrolysis the most according to claim 2, it is characterised in that: described macropore is situated between
The aperture of mass is 2～4mm, and the aperture of described aperture medium block is 1～2mm.
Porous medium combusting device for refuse pyrolysis the most according to claim 1, it is characterised in that: described puff prot
Bore be gradually reduced from inside to outside, inner surface gradient is 15～40 °.
Porous medium combusting device for refuse pyrolysis the most according to claim 1, it is characterised in that: described lighter
For high-energy ignition burner.
Porous medium combusting device for refuse pyrolysis the most according to claim 1, it is characterised in that: described air inlet
Place is provided with air inlet pipe.
Porous medium combusting device for refuse pyrolysis the most according to claim 1, it is characterised in that: described porous is situated between
Matter is foamed ceramics.
9. according to the porous medium combusting device for refuse pyrolysis described in claim 1-8 any one, it is characterised in that:
The thermic load scope of the described porous medium combusting device for refuse pyrolysis is 13～100 × 104kcal/h。
Porous medium combusting device for refuse pyrolysis the most according to claim 9, it is characterised in that: described burning
The mixed fuel being passed through in cavity is low calorific value gas fuel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602240.8A CN106051777A (en) | 2016-07-27 | 2016-07-27 | Porous medium combustion device for garbage pyrolysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610602240.8A CN106051777A (en) | 2016-07-27 | 2016-07-27 | Porous medium combustion device for garbage pyrolysis |
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| Publication Number | Publication Date |
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| CN106051777A true CN106051777A (en) | 2016-10-26 |
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ID=57416962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610602240.8A Pending CN106051777A (en) | 2016-07-27 | 2016-07-27 | Porous medium combustion device for garbage pyrolysis |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716671A (en) * | 2018-06-11 | 2018-10-30 | 孙吉林 | House refuse low temperature pyrogenation gas burner |
| CN109974007A (en) * | 2019-05-03 | 2019-07-05 | 大连惠川环保科技有限公司 | A kind of organic solid waste pyrolysis Flash Gas Compression Skid System and its working method |
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| EP2314917A2 (en) * | 2009-10-22 | 2011-04-27 | Atomic Energy Council - Institute of Nuclear Energy Research | Porous-medium burning apparatus |
| CN103528067A (en) * | 2013-10-25 | 2014-01-22 | 河北工业大学 | Household refuse pyrolysis and low-heating value pyrolysis gas combustion integrated process |
| CN204438099U (en) * | 2014-10-22 | 2015-07-01 | 北京神雾环境能源科技集团股份有限公司 | Heat storage type porous medium burner assembly |
| CN204438123U (en) * | 2014-10-22 | 2015-07-01 | 北京神雾环境能源科技集团股份有限公司 | Porous media radiant tube |
| CN205939156U (en) * | 2016-07-27 | 2017-02-08 | 北京神雾环境能源科技集团股份有限公司 | A porous medium burner for garbage pyrolytic |
-
2016
- 2016-07-27 CN CN201610602240.8A patent/CN106051777A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2314917A2 (en) * | 2009-10-22 | 2011-04-27 | Atomic Energy Council - Institute of Nuclear Energy Research | Porous-medium burning apparatus |
| CN103528067A (en) * | 2013-10-25 | 2014-01-22 | 河北工业大学 | Household refuse pyrolysis and low-heating value pyrolysis gas combustion integrated process |
| CN204438099U (en) * | 2014-10-22 | 2015-07-01 | 北京神雾环境能源科技集团股份有限公司 | Heat storage type porous medium burner assembly |
| CN204438123U (en) * | 2014-10-22 | 2015-07-01 | 北京神雾环境能源科技集团股份有限公司 | Porous media radiant tube |
| CN205939156U (en) * | 2016-07-27 | 2017-02-08 | 北京神雾环境能源科技集团股份有限公司 | A porous medium burner for garbage pyrolytic |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108716671A (en) * | 2018-06-11 | 2018-10-30 | 孙吉林 | House refuse low temperature pyrogenation gas burner |
| CN108716671B (en) * | 2018-06-11 | 2023-11-03 | 辽宁中农承天环境科技有限公司 | Household garbage low-temperature pyrolysis gas burner |
| CN109974007A (en) * | 2019-05-03 | 2019-07-05 | 大连惠川环保科技有限公司 | A kind of organic solid waste pyrolysis Flash Gas Compression Skid System and its working method |
| CN109974007B (en) * | 2019-05-03 | 2023-10-13 | 大连惠川环保科技有限公司 | Pyrolysis gas treatment device for organic solid waste and working method thereof |
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