CN104390230B - A kind of trial furnace studying rubbish excess enthalpy combustion - Google Patents
A kind of trial furnace studying rubbish excess enthalpy combustion Download PDFInfo
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- CN104390230B CN104390230B CN201410713094.7A CN201410713094A CN104390230B CN 104390230 B CN104390230 B CN 104390230B CN 201410713094 A CN201410713094 A CN 201410713094A CN 104390230 B CN104390230 B CN 104390230B
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- 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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Abstract
The invention discloses a kind of trial furnace studying rubbish excess enthalpy combustion, including body of heater, fire grate and First air entrance, First air entrance is arranged on below fire grate and is connected with First air blast volume controller, furnace wall, the left and right sides is provided with secondary wind entrance, hot-flow flue pre-with secondary wind, arrange secondary wind air inlet on the pre-hot-flow flue of secondary wind at body of heater top to be connected with secondary wind blast volume controller, air outlet and thermocouple jack it is respectively provided with on furnace wall, both sides front and back, thermocouple jack is provided with thermocouple, also includes the electric boiling plate being lifted in furnace chamber.The present invention has the advantage that trial furnace is heated by employing electric boiling plate compared to existing technology, trial furnace can be preheated, fire box temperature in convenient simulation traveling-grate stoker combustion process, pre-for secondary wind hot-flow flue is arranged in the both sides of trial furnace, secondary wind can be preheated, meeting power conservation requirement, air quantity control system can regulate intake, can study the impact that high temperature garbage is burnt by different intake.
Description
Technical field
The present invention relates to combustion furnace technical field, a kind of trial furnace studying rubbish excess enthalpy combustion.
Background technology
Along with continually developing of natural resources utilizes and the developing rapidly of urbanization, the living standard of people improves constantly, city
The continuous growth of city's population so that domestic waste yield sharply increases.Waste incineration method has that volume reduction degree is big, it is little to pollute,
Can be simultaneously with the feature of the energy in thermal source or the partially recycled rubbish of source of the gas form, it is possible to effectively process domestic waste, make rubbish
Rubbish processing mode changes from landfill normal direction burning method.But garbage incineration technology still has a lot of deficiency at present: one is efficiency of combustion needs
Improving, traditional dregs of incinerator heat rate of burning is 3%-5%, also has more carbon residue, also have the potentiality of exploitation in gas phase；Two is to exist
Secondary pollution problem, is not the highest due to incineration temperature, is easily formed NO in flue gasX、SO2, sour gas, Hydrocarbon
With toxic gas such as heavy metals, wherein the discharge with two English is the most serious.
" excess enthalpy combustion " refers in the case of ignoring external heat losses, and flame temperature can exceed vaporous with the most preheated mixing
The corresponding adiabatic flame temperature of state.Compared with traditional combustion system, excess enthalpy combustion technology has that the thermal efficiency is high, efficiency of combustion high,
The lean flame limit high (low calorie fuels incendivity), radiant output high (beneficially uniformly, orientation, contactless heating), uniformly fire
Burn the advantages such as pollutant are few of temperature, bigger combustion equivalent ratio and discharge.Just due to these advantages, can be by excess enthalpy combustion
Technology is applied in the burning disposal of domestic waste, is possible not only to improve the thermal efficiency and the efficiency of combustion of burning disposal, the most main
Want is can be by the generation of suppression harmful gas.Therefore high temperature garbage combustion process is carried out systematic research, for new life
The design of incineration firing technology of living and incinerator provides reference.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art, it is provided that a kind of trial furnace studying rubbish excess enthalpy combustion.
The present invention is achieved by the following technical solutions: a kind of trial furnace studying rubbish excess enthalpy combustion, including body of heater, fire grate
With First air entrance, body of heater is surrounded by furnace wall, and fire grate is made by steel plate, is arranged on bottom of furnace body, and First air entrance is arranged
Below fire grate, it is characterised in that: on furnace wall, the left and right sides, it is additionally provided with secondary wind entrance, is provided with in the body of heater left and right sides
The pre-hot-flow flue of secondary wind, the pre-hot-flow flue of secondary wind is that chuck shape covers on the body of heater left and right sides, and secondary wind entrance runs through furnace wall, two
The pre-hot-flow flue of secondary wind links into an integrated entity at the top of body of heater, and the pre-hot-flow flue of secondary wind at body of heater top arranges secondary wind air inlet,
It is respectively provided with air outlet and thermocouple jack front and back on furnace wall, both sides, thermocouple jack is provided with thermocouple.
As further improvement of these options, also including electric boiling plate, electric boiling plate is lifted in burner hearth by steel wire, electricity
Heating plate can move up and down along steel wire lifting direction.
As further improvement of these options, also including air quantity control system, air quantity control system includes First air air quantity control
Device processed and secondary wind blast volume controller, First air blast volume controller is connected with First air entry bottom, secondary wind blast volume controller with
Secondary wind air inlet connects, and First air blast volume controller and secondary wind blast volume controller are formed by aerator and voltage regulator,
Regulate the power of aerator by the voltage of voltage regulator change aerator thus realize the control to air quantity.
As further improvement of these options, also include control system, control system and thermocouple, First air Boiler pressure control
Device, secondary wind blast volume controller and electric boiling plate connect.
As further improvement of these options, control system is computer or single-chip microcomputer.
As further improvement of these options, also including that exiting flue gas analyzes detecting system, exiting flue gas analyzes detecting system
Selecting moral Figure 35 0 type flue gas analyzer, flue gas analyzer is arranged on air outlet end, and flue gas analyzer is connected with control system.
As further improvement of these options, fire grate is drawer type fire grate.
As further improvement of these options, First air entrance is in rectangular pyramid shape, and bottom is connected with First air aid distributing pipe,
Open top connects bottom fire grate.
The present invention has the advantage that trial furnace is heated by employing electric boiling plate compared to existing technology, it is possible to enter trial furnace
Row preheating, the fire box temperature in convenient simulation traveling-grate stoker combustion process, pre-for secondary wind hot-flow flue is arranged in the both sides of trial furnace,
Can preheat secondary wind, meet power conservation requirement, air quantity control system can regulate intake, can study different air intake
Measure the impact on high temperature garbage burning.
Accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of the present invention.
Fig. 2 is the right side view of the present invention.
Fig. 3 is electric part connection diagram of the present invention.
Detailed description of the invention
Elaborating embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention,
Give detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
A kind of trial furnace studying rubbish excess enthalpy combustion, including body of heater 3, fire grate 7 and First air entrance 1, body of heater 3 is enclosed by furnace wall
Becoming, fire grate 7 is made by steel plate, is arranged on bottom body of heater 3, and First air entrance 1 is arranged on below fire grate 7, its feature
It is: on furnace wall, the left and right sides, be additionally provided with secondary wind entrance 21, body of heater 3 left and right sides is provided with the pre-hot-flow flue of secondary wind
22, the pre-hot-flow flue of secondary wind 22 covers on body of heater 3 left and right sides in chuck shape, and secondary wind entrance 21 runs through furnace wall, in secondary wind
Pre-hot-flow flue 22 links into an integrated entity at the top of body of heater 3, arranges secondary wind on the pre-hot-flow flue of secondary wind 22 at body of heater 3 top
Air inlet 23, is respectively provided with air outlet 6 and thermocouple jack 8, is provided with heat in thermocouple jack 8 front and back on furnace wall, both sides
Galvanic couple 81.Pre-for secondary wind hot-flow flue 22 is arranged in the both sides of trial furnace, it is possible to secondary wind is preheated, simulation boiler combustion
Secondary wind preheating situation during burning.
Also include that electric boiling plate 5, electric boiling plate 5 are lifted in burner hearth 4 by steel wire 51, it is possible to lift along steel wire 51
Direction moves up and down.Use electric boiling plate 5 that trial furnace is heated, it is possible to trial furnace is preheated, convenient simulation chain
Fire box temperature in fire grate combustion process；Additionally, heating plate also is able to simulate the outside radiations heat energy of chimney arch, fuel is heated；
Electric boiling plate 5 can move up and down, and can simulate the radiation event of the chimney arch of different size.
Also include that air quantity control system 9, air quantity control system 9 include First air blast volume controller 11 and secondary wind blast volume controller
24, First air blast volume controller 11 is connected bottom First air entrance 1, secondary wind blast volume controller 24 and secondary wind air inlet
23 connect, and First air blast volume controller 11 and secondary wind blast volume controller 24 are formed by aerator and voltage regulator, pass through
The voltage of voltage regulator change aerator regulates the power of aerator thus realizes the control to air quantity.Air quantity control system 9
Intake can be regulated, different intakes can be simulated, thus study the impact that high temperature garbage is burnt by different intake.
Also include control system 9, control system 9 and thermocouple 81, First air blast volume controller 11, secondary wind blast volume controller
24 and electric boiling plate 5 connect.By control system 9, the temperature data that collection thermocouple 81 is passed back fires to the super enthalpy analyzing system
Burning situation；Regulate the air quantity of First air and secondary wind by control system 9 simultaneously and simulate the fired state under different situations；This
Outward, control system 9 can also control the heating operation of electric boiling plate 5, it is achieved the simulation to various working.
Control system 9 is computer or single-chip microcomputer.
Also including that exiting flue gas analyzes detecting system 91, exiting flue gas is analyzed detecting system 91 and is selected moral Figure 35 0 type flue gas analysis
Instrument, flue gas analyzer is arranged on air outlet 6 end, and flue gas analyzer is connected with control system 9.
Fire grate 7 is drawer type fire grate.
First air entrance 1 is in rectangular pyramid shape, and bottom is connected with First air blast volume controller 11, and open top connects fire grate 7
Bottom.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all spirit in the present invention and former
Any amendment, equivalent and the improvement etc. made within then, should be included within the scope of the present invention.
Claims (6)
1. study a trial furnace for rubbish excess enthalpy combustion, including body of heater, fire grate and First air entrance, described stove
Body is surrounded by furnace wall, and described fire grate is made by steel plate, is arranged on described bottom of furnace body, and described First air enters
Mouth is arranged on below described fire grate, it is characterised in that: on furnace wall, the left and right sides, it is additionally provided with secondary wind entrance,
Be provided with the pre-hot-flow flue of secondary wind in the described body of heater left and right sides, the pre-hot-flow flue of described secondary wind is that chuck shape covers on
The described body of heater left and right sides, described secondary wind entrance runs through described furnace wall, at the pre-hot-flow flue of described secondary wind in institute
The top stating body of heater links into an integrated entity, and the pre-hot-flow flue of secondary wind at body of heater top arranges secondary wind air inlet,
Before and after described, it be respectively provided with air outlet and thermocouple jack on furnace wall, both sides, described thermocouple jack is provided with
Thermocouple；
Also including that electric boiling plate, described electric boiling plate are lifted in burner hearth by steel wire, described electric boiling plate can
Move up and down along steel wire lifting direction；
Also include that air quantity control system, described air quantity control system include First air blast volume controller and secondary wind wind
Amount controller, described First air blast volume controller is connected with described First air entry bottom, described secondary wind air quantity
Controller is connected with described secondary wind air inlet, and described First air blast volume controller and secondary wind blast volume controller are equal
Being made up of aerator and voltage regulator, the voltage being changed aerator by voltage regulator regulates aerator
Power thus realize control to air quantity.
A kind of trial furnace studying rubbish excess enthalpy combustion the most as claimed in claim 1, it is characterised in that: also include
Control system, described control system and described thermocouple, described First air blast volume controller, described secondary wind wind
Amount controller and described electric boiling plate connect.
A kind of trial furnace studying rubbish excess enthalpy combustion the most as claimed in claim 2, it is characterised in that: described control
System processed is computer or single-chip microcomputer.
A kind of trial furnace studying rubbish excess enthalpy combustion the most as claimed in claim 2, it is characterised in that: also include
Exiting flue gas analyzes detecting system, and described exiting flue gas is analyzed detecting system and selected moral Figure 35 0 type flue gas analysis
Instrument, described flue gas analyzer is arranged on air outlet end, and described flue gas analyzer is connected with described control system.
A kind of trial furnace studying rubbish excess enthalpy combustion the most as claimed in claim 1, it is characterised in that: described stove
Comb is drawer type fire grate.
A kind of trial furnace studying rubbish excess enthalpy combustion the most as claimed in claim 1, it is characterised in that: described one
Secondary wind entrance is in rectangular pyramid shape, and bottom is connected with First air aid distributing pipe, and open top connects at the bottom of described fire grate
Portion.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410713094.7A CN104390230B (en) | 2014-11-28 | 2014-11-28 | A kind of trial furnace studying rubbish excess enthalpy combustion |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410713094.7A CN104390230B (en) | 2014-11-28 | 2014-11-28 | A kind of trial furnace studying rubbish excess enthalpy combustion |
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| Publication Number | Publication Date |
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| CN104390230A CN104390230A (en) | 2015-03-04 |
| CN104390230B true CN104390230B (en) | 2016-09-28 |
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| CN201410713094.7A Active CN104390230B (en) | 2014-11-28 | 2014-11-28 | A kind of trial furnace studying rubbish excess enthalpy combustion |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111781238B (en) * | 2019-04-04 | 2023-09-05 | 应急管理部化学品登记中心 | Dust layer smoldering simulation research device and application thereof |
| CN110095562B (en) * | 2019-04-23 | 2021-06-08 | 云南农业大学 | Gas-solid two-phase flow visual combustion furnace with blowing function and combustion test device |
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| CN2178842Y (en) * | 1993-09-25 | 1994-10-05 | 李正安 | Vertical boiler with ringlike preheating wind channel |
| CN2192810Y (en) * | 1993-11-26 | 1995-03-22 | 贺明旭 | Adjustable feed device of one, second wind for boiler |
| CN201014522Y (en) * | 2007-03-15 | 2008-01-30 | 国能惠远生物质能发展有限公司 | Stove for implementing granular fuel complete combustion |
| CN202415585U (en) * | 2012-01-19 | 2012-09-05 | 陈维汉 | Hot-blast stove for spraying mixed coal gas and air in loop from uniformly-distributed spray nozzles to form reflow for combusting |
| CN102980194A (en) * | 2012-11-29 | 2013-03-20 | 华南理工大学 | Method for garbage low-nitrogen and low-dioxin grate incineration and device of method for garbage low-nitrogen and low-dioxin grate incineration |
| CN204329056U (en) * | 2014-11-28 | 2015-05-13 | 合肥工业大学 | A kind of trial furnace studying rubbish excess enthalpy combustion |
-
2014
- 2014-11-28 CN CN201410713094.7A patent/CN104390230B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2178842Y (en) * | 1993-09-25 | 1994-10-05 | 李正安 | Vertical boiler with ringlike preheating wind channel |
| CN2192810Y (en) * | 1993-11-26 | 1995-03-22 | 贺明旭 | Adjustable feed device of one, second wind for boiler |
| CN201014522Y (en) * | 2007-03-15 | 2008-01-30 | 国能惠远生物质能发展有限公司 | Stove for implementing granular fuel complete combustion |
| CN202415585U (en) * | 2012-01-19 | 2012-09-05 | 陈维汉 | Hot-blast stove for spraying mixed coal gas and air in loop from uniformly-distributed spray nozzles to form reflow for combusting |
| CN102980194A (en) * | 2012-11-29 | 2013-03-20 | 华南理工大学 | Method for garbage low-nitrogen and low-dioxin grate incineration and device of method for garbage low-nitrogen and low-dioxin grate incineration |
| CN204329056U (en) * | 2014-11-28 | 2015-05-13 | 合肥工业大学 | A kind of trial furnace studying rubbish excess enthalpy combustion |
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| CN104390230A (en) | 2015-03-04 |
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