CN106678839A - High-temperature air preheating type high-temperature purifying furnace - Google Patents
High-temperature air preheating type high-temperature purifying furnace Download PDFInfo
- Publication number
- CN106678839A CN106678839A CN201611161182.6A CN201611161182A CN106678839A CN 106678839 A CN106678839 A CN 106678839A CN 201611161182 A CN201611161182 A CN 201611161182A CN 106678839 A CN106678839 A CN 106678839A
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- Prior art keywords
- high temperature
- combustion chamber
- air
- gas
- control oxygen
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
- F23G7/061—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with supplementary heating
- F23G7/065—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases with 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
- F23G2204/00—Supplementary heating arrangements
- F23G2204/10—Supplementary heating arrangements using auxiliary fuel
- F23G2204/103—Supplementary heating arrangements using auxiliary fuel gaseous or liquid fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
Abstract
The invention discloses a high-temperature air preheating type high-temperature purifying furnace which comprises a low-enthalpy ternary gas combustor, a high-temperature mixing combustion chamber, an oxygen control vortex combustion chamber and an expansion combustion chamber. A gas inlet for allowing smoke to be treated, oxidant gas and auxiliary gas to enter is formed in the lower end of the low-enthalpy ternary gas combustor. The high-temperature mixing combustion chamber is arranged on the low-enthalpy ternary gas combustor and communicates with the low-enthalpy ternary gas combustor. The oxygen control vortex combustion chamber communicates with the high-temperature mixing combustion chamber, a secondary air inlet for introducing air into the oxygen control vortex combustion chamber is formed in one side of the oxygen control vortex combustion chamber, and accordingly tornado type combustion flames are formed in the oxygen control vortex combustion chamber. The expansion combustion chamber communicates with the oxygen control vortex combustion chamber, and accordingly reduction combustion is conducted on smoke left after combustion in the oxygen control vortex combustion chamber. By the adoption of the high-temperature air preheating type high-temperature purifying, pollutants such as dioxin, furan and NOx in the smoke to be treated can be completely removed, and non-pollution zero emission is achieved; the working condition noise is low, and pollution is avoided in the working environment; and the utilization rate of energy sources is higher.
Description
Technical field
The invention belongs to field of environment protection equipment, more particularly to a kind of pre-heated high temperature purification stove of high temperature air.
Background technology
Now, the treatment to " three wastes " (solid waste, liquid are useless, gas gives up) uses thermal decomposition burning process.The technique be exactly
Combustibles under anaerobic or hypoxic condition to above-mentioned substance are heated, the molecular structure of destruction wherein macromolecule organic,
It is a kind of thermochemical reduction.Thermally decompose the flue gas for producing and be converted into low molecular compound, this is just as coal heating turns
Change coke into, timber is converted into the charing phenomenon almost identical of charcoal.But the meeting in burning process operating process is thermally decomposed
Produce substantial amounts of flue gas --- artificial coal gas.Such as chloride-based such as tire, PVC polymer substance can be produced when thermally decomposing and burning
The substantial amounts of oxidation chlorination gas of life, while also producing chlorination carbon monoxide and chlorine etc., these gaseous matters exactly produce extremely toxic
Material --- the main original thing of Er Evil beautiful jades, while will also produce the pernicious gases such as hydrogen cyanide, ammonia, carbon monoxide.To solve
This problem, traditional method is exactly to improve the calorific value of oxidizer incessantly when burning is thermally decomposed, and this is resulted in disposed
During journey energy charge, and flue gas can not also usually reach and burn completely, simultaneously because the flue gas row that auxiliary fuel is added and produced
Increasing is put, it is more serious to atmosphere pollution.
The content of the invention
For above-mentioned technical problem, it is pre- that the present invention has designed and developed a kind of high temperature air for realizing the pollution-free zero-emission of flue gas
Hot type high temperature purification stove.
The present invention provide technical scheme be：
A kind of pre-heated high temperature purification stove of high temperature air, including：
Low enthalpy ternary gas burner, its lower end has and is provided with pending flue gas, combustion-supporting gas and assisted gas and enters
Air inlet；
High temperature hybrid combustor, its top for being arranged at the low enthalpy ternary gas burner, with the vigour of the low enthalpy three
Body burner is connected；
Control oxygen eddy combustion room, its top for being arranged at the high temperature hybrid combustor, with the high temperature hybrid combustor
Connection, the control oxygen eddy combustion room is used to reach the temperature of the mixed gas burnt by the high temperature hybrid combustor
More than 1000 DEG C, and the side of the control oxygen eddy combustion room has and is passed through the secondary of air to the control oxygen eddy combustion room
Wind inlet, so as to form tornado combustion flame in the control oxygen eddy combustion room；
Expansion combustion chamber, its top for being arranged at the control oxygen eddy combustion room connects with the control oxygen eddy combustion room,
So as to carry out reduction burning to the residual flue gas burnt through controlling oxygen eddy combustion room, the side of the expansion combustion chamber has will be clean
The exhanst gas outlet of neat stress discharge.
Preferably, in the pre-heated high temperature purification stove of described high temperature air, the control oxygen eddy combustion room includes honeycomb
Formula preheating device and the cermet burner being arranged in the honeycomb fashion preheating device, the honeycomb fashion preheating device are served as reasons
The cellular structure that thermal storage ceramic is formed.
Preferably, in the pre-heated high temperature purification stove of described high temperature air, the control oxygen eddy combustion room also includes setting
It is placed in the honeycomb fashion preheating device periphery, the air chamber connected with the secondary air inlet, the air chamber and the honeybee
Socket preheating device is connected.
Preferably, in the pre-heated high temperature purification stove of described high temperature air, the side of the high temperature hybrid combustor is also
With safety relief valve.
Preferably, in the pre-heated high temperature purification stove of described high temperature air, the top of the expansion combustion chamber also has
Peep hole.
The pre-heated high temperature purification stove of high temperature air of the present invention has the advantages that：
(1) present invention can completely remove the pollutant such as bioxin, furans, NOx in pending flue gas, realize pollution-free
Zero-emission；
(2) operating mode noise of the present invention is small, and working environment is pollution-free；
(3) present invention is higher to the utilization rate of the energy.
Brief description of the drawings
Fig. 1 is the structural representation of the pre-heated high temperature purification stove of high temperature air of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text
Word can be implemented according to this.
As shown in figure 1, the present invention provides a kind of pre-heated high temperature purification stove of high temperature air, including：Low enthalpy ternary gas fire
Burner 1, its lower end has the air inlet for being provided with the entrance of pending flue gas, combustion-supporting gas and assisted gas；High temperature hybrid combustor
2, its top for being arranged at the low enthalpy ternary gas burner 1 connects with the low enthalpy ternary gas burner 1；Control oxygen whirlpool
Rotation combustion chamber 6, its top for being arranged at the high temperature hybrid combustor 2 connects, the control with the high temperature hybrid combustor 2
Oxygen eddy combustion room is used to make the temperature of the mixed gas burnt by the high temperature hybrid combustor reach more than 1000 DEG C, and
And the side of the control oxygen eddy combustion room 6 has the secondary air inlet 5 that air is passed through to the control oxygen eddy combustion room 6, from
And form tornado combustion flame in the control oxygen eddy combustion room；Expansion combustion chamber 7, it is arranged at the control oxygen and is vortexed
The top of combustion chamber 6, connects with the control oxygen eddy combustion room, so as to the residual flue gas through controlling oxygen eddy combustion room burning 6
Reduction burning is carried out, the side of the expansion combustion chamber has the exhanst gas outlet 8 for discharging clean flue gas.
As shown in figure 1, the pre-heated high temperature purification stove of high temperature air is mixed for 1 pair by low enthalpy ternary gas burner into high temperature
Toxic and harmful (i.e. pending flue gas) in combination burning room 2 be fully warmed-up and mixed to more than 1000 DEG C.By secondary
Wind inlet 5 is pumped into a certain amount of air, so as to form the combustion flame of tornado, Shi bis- Evil in control oxygen eddy combustion room 6
English, furans and other poisonous and hazardous flue gases have obtained thoroughly destructing and have removed.The harmful smoke (remaining flue gas) of residual
Reduction burning is carried out further through expansion combustion chamber 7, part NOx is reduced simultaneously, further declines NOx emission.Enter many of stove
The artificial coal gas of first low enthalpy and entrance stove wife combustion gas (air) and assisted gas (natural gas or diesel oil atomization gas) will carry out many
Unit's mixing, burns in same structure into furnace high-temperature.
The pre-heated high temperature purification stove of high temperature air employs the burning of low enthalpy ternary gas mixing burner.In order to overcome temperature rise
The NOx emission high for causing, this burner makes NOx emission bright by the way of fuel staging and low oxygen combustion technology are combined
It is aobvious to reduce.
Bioxin, furans (PCDD/F3) are a kind of organic infective agent (ultra trace biographies of formation during biomass combustion
Dye thing), its classification kind more than 200, its toxicity is 1000 times of potassium cyanide, very big to the mankind and biohazard.Burnt in current rubbish
The PCDD/F3 produced in burning accounts for 20%-40%.The formation environmental condition of PCDD/F3 is：There is organic and inorganic chlorine；(this
Content in biomass garbage is high, for example：Inorganic matter-NaCL, organic matter-plastics, rubber, leather etc.)；There is oxygen；Deposit
Make catalysts, particularly copper in excessively many category cations to be played an important role in waste incineration catalytic reaction；Certain temperature
Degree field：It is particularly maximum in 300 DEG C of temperature field PCDD/F3 growing amounts as 250 DEG C~550 DEG C of incineration temperature ＞, as temperature field ＞
At 705 DEG C, PCDD/F3 is deconstructed by high temperature.By above-mentioned known, only improved by burning turbulence, burning degree of being mixed into is improved,
Produce high temperature heat power.Vortex is formed in heat power burning turbulence, the zero-emission under this working condition could really
Protect meet the requirement of environmental protection.
The burning state of tornado is formd due to the control oxygen eddy combustion room in stove, enables the oxygen quantity in air
The combustion-supporting utilization of level, promotes temperature increase rate to greatly improve, and form inert combustion with meagre oxygen operating mode.It is this to organize
Inert combustion with meagre oxygen furnace chamber flame of centre is extended be exceedingly fast, furnace is uniform, this to reduce bioxin, furans destructing it is clear
Except being extremely advantageous.This inert combustion with meagre oxygen mode, in the reproducibility burning situation of expansion reduction furnace, part NOx is same
When be reduced, further decline NOx emission.
The present invention makes stove medium temperature be promoted to more than 1000 DEG C, so as to change flame structure, Shi Lu inner tissues rise poor
Oxygen burns, and flame spreading combustion zone, flame edge almost expands to burner hearth border, makes uniformity of temperature profile.Due to using
Low NOx burns nozzle so that the temperature rise that brings of preheated air and be overcome the drawbacks of cause NOx emission, its operating mode noise is small, work
Make that environment is not comtaminated, become " cleaning burning " worthy of the name.Meanwhile, HPAC formed high-temperature field to " three wastes " (solid waste,
Liquid is useless, gas gives up) in the severe infection thing such as bis- Evil beautiful jades, furans destructing, be also key point that it discharges meet the requirement of environmental protection.
The foundation of the high temperature aerodynamic field of HPAC is that control oxygen eddy combustion room employs high-temperature thermal storage type structure (English is write a Chinese character in simplified form：
RCB), the realization of the technology of RCB, is to burn nozzle and thermal storage ceramic embodiment by resistant to elevated temperatures cermet, and it can unidirectionally also may be used
By reversing slide valve, binary switch type circulating combustion is carried out.HPAC, due to changing the institutional framework of burning, makes in utilization
It generates advantages more more than general diffusion combustion：The uniformity of temperature profile of HPAC, without peak value and without the temperature difference, flame propagation
Hurry up, radiation intensity is high, this makes its heat transfer efficiency higher than diffusion combustion.
In a preferred embodiment, in the pre-heated high temperature purification stove of described high temperature air, the control oxygen is vortexed and fires
Burning room includes honeycomb fashion preheating device 10 and the cermet burner 11 being arranged in the honeycomb fashion preheating device, the honeybee
Socket preheating device is the cellular structure formed by thermal storage ceramic.
The embodiment uses peak socket preheating device, is most advantageous, and its advantage is big heat exchange area, flowing resistance
Power is small, is also most cheap, the particularly pipeline it will be evident that its manufacturing process is simpler in terms of burning turbulent flow is overcome
Cleaning work and maintenance work are simple.Its utilization is for the cigarette during the discarded object and pyrolytic gasification of pyrolytic gasification melting furnace
The nonlinear control process such as flow of air, reaction equation diffusion, are easier to incision, are carried out the Automated condtrol process of HPAC.
In a preferred embodiment, in the pre-heated high temperature purification stove of described high temperature air, the control oxygen is vortexed and fires
Burning room also includes being arranged at the honeycomb fashion preheating device periphery, and the air chamber 5 connected with the secondary air inlet 5 is described
Air chamber 5 is connected with the honeycomb fashion preheating device 10.
In a preferred embodiment, in the pre-heated high temperature purification stove of described high temperature air, the high temperature mixing combustion
The side for burning room also has safety relief valve.Safety relief valve 3 avoids hidden peril of explosion occur during gas high-temp combustion.
In a preferred embodiment, in the pre-heated high temperature purification stove of described high temperature air, the expansion combustion chamber
Top also have peep hole 9.
Although embodiment of the present invention is disclosed as above, it is not restricted to listed in specification and implementation method
With, it can be applied to various suitable the field of the invention completely, for those skilled in the art, can be easily
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited
In specific details and shown here as the legend with description.
Claims (5)
1. the pre-heated high temperature purification stove of a kind of high temperature air, it is characterised in that including：
Low enthalpy ternary gas burner, its lower end has the air inlet for being provided with the entrance of pending flue gas, combustion-supporting gas and assisted gas
Mouthful；
High temperature hybrid combustor, its top for being arranged at the low enthalpy ternary gas burner is fired with the low enthalpy ternary gas
Burner is connected；
Control oxygen eddy combustion room, its top for being arranged at the high temperature hybrid combustor connects with the high temperature hybrid combustor,
The control oxygen eddy combustion room is used to make the temperature of the mixed gas burnt by the high temperature hybrid combustor reach 1000 DEG C
More than, and there is the Secondary Air for being passed through air to the control oxygen eddy combustion room to enter for the side of the control oxygen eddy combustion room
Mouthful, so as to form tornado combustion flame in the control oxygen eddy combustion room；
Expansion combustion chamber, its top for being arranged at the control oxygen eddy combustion room connects with the control oxygen eddy combustion room, so that
Residual flue gas to being burnt through controlling oxygen eddy combustion room carries out reduction burning, and the side of the expansion combustion chamber has clean cigarette
The exhanst gas outlet of gas discharge.
2. the pre-heated high temperature purification stove of high temperature air as claimed in claim 1, it is characterised in that the control oxygen eddy combustion room
Including honeycomb fashion preheating device and the cermet burner being arranged in the honeycomb fashion preheating device, the honeycomb fashion preheating
Device is the cellular structure formed by thermal storage ceramic.
3. the pre-heated high temperature purification stove of high temperature air as claimed in claim 2, it is characterised in that the control oxygen eddy combustion room
Also include being arranged at the honeycomb fashion preheating device periphery, the air chamber connected with the secondary air inlet, the air chamber
Connected with the honeycomb fashion preheating device.
4. the pre-heated high temperature purification stove of high temperature air as claimed in claim 1, it is characterised in that the high temperature hybrid combustor
Side also have safety relief valve.
5. the pre-heated high temperature purification stove of high temperature air as claimed in claim 1, it is characterised in that the top of the expansion combustion chamber
Portion also has peep hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161182.6A CN106678839B (en) | 2016-12-15 | 2016-12-15 | The pre-heated high temperature purification furnace of high temperature air |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611161182.6A CN106678839B (en) | 2016-12-15 | 2016-12-15 | The pre-heated high temperature purification furnace of high temperature air |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106678839A true CN106678839A (en) | 2017-05-17 |
| CN106678839B CN106678839B (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611161182.6A Expired - Fee Related CN106678839B (en) | 2016-12-15 | 2016-12-15 | The pre-heated high temperature purification furnace of high temperature air |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316878A (en) * | 1979-02-08 | 1982-02-23 | Nittetu Chemical Engineering Ltd. | Method for the combustive treatment of waste fluids containing nitrogen compounds |
| CN1176365A (en) * | 1996-09-06 | 1998-03-18 | 许其怀 | Forced coal and organic matter burning method and forced burner |
| JP2002228134A (en) * | 2001-01-29 | 2002-08-14 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment equipment for drier |
| CN2549329Y (en) * | 2002-03-14 | 2003-05-07 | 戴德 | Jet oxygen-enriched combustor |
| CN102338390A (en) * | 2011-07-11 | 2012-02-01 | 西安宝昱热工机电有限公司 | Direct-combustion heat-accumulating-type incineration treatment device and treatment method thereof |
| CN103574620A (en) * | 2013-11-04 | 2014-02-12 | 南京昊扬化工装备有限公司 | Incineration device |
| CN105509071A (en) * | 2015-12-23 | 2016-04-20 | 科洋环境工程（上海）有限公司 | Industrial combustion furnace for treating exhaust gas and waste liquid and treatment method |
-
2016
- 2016-12-15 CN CN201611161182.6A patent/CN106678839B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4316878A (en) * | 1979-02-08 | 1982-02-23 | Nittetu Chemical Engineering Ltd. | Method for the combustive treatment of waste fluids containing nitrogen compounds |
| CN1176365A (en) * | 1996-09-06 | 1998-03-18 | 许其怀 | Forced coal and organic matter burning method and forced burner |
| JP2002228134A (en) * | 2001-01-29 | 2002-08-14 | Mitsubishi Heavy Ind Ltd | Exhaust gas treatment equipment for drier |
| CN2549329Y (en) * | 2002-03-14 | 2003-05-07 | 戴德 | Jet oxygen-enriched combustor |
| CN102338390A (en) * | 2011-07-11 | 2012-02-01 | 西安宝昱热工机电有限公司 | Direct-combustion heat-accumulating-type incineration treatment device and treatment method thereof |
| CN103574620A (en) * | 2013-11-04 | 2014-02-12 | 南京昊扬化工装备有限公司 | Incineration device |
| CN105509071A (en) * | 2015-12-23 | 2016-04-20 | 科洋环境工程（上海）有限公司 | Industrial combustion furnace for treating exhaust gas and waste liquid and treatment method |
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| Publication number | Publication date |
|---|---|
| CN106678839B (en) | 2018-11-27 |
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