CN105864791B - For the air-control device of boiler catalysis burning - Google Patents
For the air-control device of boiler catalysis burning Download PDFInfo
- Publication number
- CN105864791B CN105864791B CN201610379320.1A CN201610379320A CN105864791B CN 105864791 B CN105864791 B CN 105864791B CN 201610379320 A CN201610379320 A CN 201610379320A CN 105864791 B CN105864791 B CN 105864791B
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- China
- Prior art keywords
- air
- gas
- water
- feeder
- guide tube
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- 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
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
-
- 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
- F23G5/50—Control or safety arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/60—Combustion in a catalytic combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/10—Arrangement of sensing devices
- F23G2207/101—Arrangement of sensing devices for temperature
Abstract
The air-control device to burn is catalyzed for boiler the invention discloses a kind of, including：Incinerator；Feeder is used to accommodating or generating hydrogen-containing gas；Pre-mixing apparatus, the first air inlet are connected by the first gas-guide tube with feeder, and its second air inlet is by the second gas-guide tube and air communication, and gas outlet is connected by third gas-guide tube with incinerator；And cooling device, cold water outlet is connected with the water inlet of the cooling line of feeder, and water return outlet is connected with the water outlet of the cooling line of feeder.The present invention is by the way that air is pre-mixed in proportion in advance with hydrogen-containing gas, and for mixed proportion depending on actual conditions, it can be 0 to be mixed into AIR Proportional, burnt by being catalyzed, and improve the combustion conditions of boiler, reduce CO, dioxin emissions, significant effect.
Description
Technical field
The present invention relates to a kind of air-control devices for boiler catalysis burning, more particularly to a kind of to be adjusted according to feedback is automatic
Hydrogen-containing gas gas production is saved, and the mixed gas of hydrogen-containing gas and air can be passed through to the device of incinerator.
Background technology
At present, most of fuel incineration system are all to be passed directly into compressed air in incinerator after preheating, are carried out
The combustion process of fuel.This way, if excess air factor is excessive, it can be achieved that the completely burned of fuel in incinerator, and
Inhibit dioxin generation, but can increase the nitrogen proportion of radiationless ability, affect flue gas and exchange heat to Boiler radiation
The heat transfer in face causes flame temperature and blackness to significantly reduce；If excess air factor is less than normal, oxygen concentration can be reduced, it can
Can cause fuel combustion not exclusively and ignition temperature reduction, the generation of a large amount of dioxin is had, so as to cause CO in tail gas, two
The content for disliking the harmful substances such as English rises.For such case, the principle of catalyst combustion of Brown Gas can be utilized at present to fuel
Burning optimizes.Brown Gas can be in the case where not improving excess air factor, and catalytic fuel burning is complete, can reduce
The content of the harmful substances such as CO, dioxin in tail gas reduces clinker clinker ignition loss, the power consumption for reducing frequency conversion fan, reduces cigarette
Gas total amount.Existing fuel, which burns a part in pneumatic control system, does not have feeder part, and air only is passed directly into burning
In stove, in this way due to lacking corresponding catalytic process so that fuel combustion is not enough, the nuisances such as CO, dioxin in tail gas
The content of matter is higher.Existing fuel burns another part in pneumatic control system or has feeder equipment, but without Brown Gas
Process is closed with air pre-mixing, directly Brown Gas is passed through in incinerator in this way, first, Brown Gas is not sufficiently mixed i.e. soon with air
Speed, which is burnt, to be lost, and best catalytic effect is not achieved, it is impossible to make full combustion of fuel, second is that the Brown Gas of non-premix air enters burning
Stove, nozzle of supplying gas are met open fire and are easily tempered.
Invention content
It is excellent it is an object of the invention to solve at least the above and/or defect, and provide at least to will be described later
Point.
It is a still further object of the present invention to provide a kind of air-control devices for boiler catalysis burning, and the present invention is by will be empty
Gas is pre-mixed in proportion in advance with Brown Gas, is solved Brown Gas in incinerator and is not sufficiently mixed i.e. quick burning mistake with air, reaches
Less than best catalytic effect, it is impossible to the problem of making full combustion of fuel, while also solve and Brown Gas is passed directly into incinerator
The problem of caused easy tempering, the present invention can improve Combustion Operation of Boilers, make full combustion of fuel, improve fire box temperature, drop
Low clinker clinker ignition loss reduces frequency conversion fan power consumption, reduction CO He dioxin emission, reduces particulate matter in amount of flue gas emission and flue gas
Content, achieve the effect that energy-saving and emission-reduction.
For this purpose, technical solution provided by the invention is：
A kind of air-control device for boiler catalysis burning, including：
Incinerator；
Feeder is used to accommodating or generating hydrogen-containing gas；
Pre-mixing apparatus, the first air inlet are connected by the first gas-guide tube with the feeder, and its second air inlet
By the second gas-guide tube and air communication, and gas outlet is connected by third gas-guide tube with the incinerator；And
Cooling device, cold water outlet are connected with the water inlet of the cooling line of the feeder, and water return outlet with it is described
The water outlet connection of the cooling line of feeder.
Preferably, in the air-control device for boiler catalysis burning, the gas outlet of the pre-mixing apparatus
The connectivity part of the incinerator is provided with air quantity sensing device and thermal field sensing device.
Preferably, in the air-control device for boiler catalysis burning, the air quantity sensing device and the temperature
Field sensing device is also connect with the feeder.
Preferably, in the air-control device for boiler catalysis burning, the incinerator has main combustion air duct, institute
The gas outlet for stating pre-mixing apparatus is connected by the third gas-guide tube with the main combustion air duct of the incinerator.
Preferably, the air-control device for boiler catalysis burning, further includes：
Air compressor is connected with second air inlet of the pre-mixing apparatus by second gas-guide tube, with
Air is provided；With,
Flowmeter is arranged between second gas-guide tube and second air inlet, and the entrance of the flowmeter
It is connected with second gas-guide tube, and exports and connected with second air inlet.
Preferably, the air-control device for boiler catalysis burning, further includes：
Water demineralizer, water inlet are connected with the water source, and water outlet respectively by the first and second water pipes with
The raw material liquid injection port of the feeder is connected with the water supplement port of the cooling device.
Preferably, in the air-control device for boiler catalysis burning, the water outlet of the water demineralizer and institute
It states and is provided with valve, and the valve is located on the first water pipe between the raw material liquid injection port of feeder.
Preferably, in the described air-control device for boiler catalysis burning, in the pre-mixing apparatus hydrogen-containing gas and
The volume ratio of the air is 1:3.
The present invention includes at least following advantageous effect：
The present invention by the way that air is pre-mixed in proportion in advance with hydrogen-containing gas, mixed proportion depending on actual conditions,
It can be 0 to be mixed into AIR Proportional, burnt by being catalyzed, and improve the combustion conditions of boiler, reduce CO, dioxin emissions, significant effect.
The feeder of the present invention generates hydrogen-containing gas by the electrolysis to water.Circulating cooling system is to feeder
Operational process cooled down, ensure feeder run at a suitable temperature.Water-softening plant, which reaches, prevents incrustation scale from generating
Purpose, on the one hand ensure that the long-time normal operation of feeder, on the other hand can prevent circulating cooling pipe routing in water
Dirt deposition and block.Hydrogen-containing gas is uniformly mixed by pre-mixing apparatus with air.Air quantity sensing device and thermal field sensing device pair
The real-time condition burnt in stove is monitored, and is fed data back to feeder, is adjusted the gas production of feeder, make hydrogen
Bulk concentration remains at best catalytic level, to realize the complete burning of fuel.
The device of the invention can improve Combustion Operation of Boilers, make full combustion of fuel, improve fire box temperature, reduce clinker
Clinker ignition loss reduces frequency conversion fan power consumption, reduces CO He dioxin emission, reduces containing for particulate matter in amount of flue gas emission and flue gas
Amount, achievees the effect that energy-saving and emission-reduction.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the present invention in one embodiment for the structure diagram of the air-control device of boiler catalysis burning.
Fig. 2 is the present invention in one embodiment for the structure diagram of the air-control device of boiler catalysis burning.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other element or combinations.As illustrated in fig. 1 and 2, the present invention provides a kind of boiler that is used for and is catalyzed burning
Air-control device, including：
Incinerator 1；The present invention is suitable for the mainstreams incinerators such as grate furnace, fluid bed, rotary kiln, thermal cracking incinerator.
Feeder 2 is used to accommodating or generating hydrogen-containing gas, the hydrogen-containing gas include hydrogen, oxyhydrogen and other contain
Hydrogen；This feeder can be automatic gas-producing or gas containment device.It is hydrogeneous for catalytic effect
In gas, Brown Gas best results.
Pre-mixing apparatus 3, the first air inlet is connected by the first gas-guide tube with the feeder 2, and its second air inlet
Mouth is by the second gas-guide tube and air communication, and gas outlet is connected by third gas-guide tube with the incinerator 1, and hydrogen-containing gas can
To enter incinerator at air duct or other positions by being linked to；And solenoid valve 6 is additionally provided on third gas-guide tube.
Cooling device 4, cold water outlet is connected with the water inlet of the cooling line of the feeder 2, and water return outlet and institute
State the water outlet connection of the cooling line of feeder 2.
Air is mixed, then be passed through in incinerator 1 in advance with the hydrogen-containing gas that feeder 2 generates in the present invention, in this way
Hydrogen-containing gas can be sufficiently mixed with air etc., can quickly be burnt mistake when reaching in incinerator, be reached best catalytic effect, so that
Fuel burns complete.Cooling device can carry out water-cooled cooling to feeder, ensure the work in the normal temperature range of feeder 2
Make.Fuel in incinerator is not only fuel, can also be coal, gas, solid waste and hazardous waste, biomass, liquid
Deng.
In said program, preferably, the volume ratio of hydrogen-containing gas and the air is 1 in the pre-mixing apparatus 3:3.
In order to preferably monitor the burning situation in incinerator 1, in the present invention in one embodiment, as excellent
The connectivity part of choosing, the gas outlet of the pre-mixing apparatus 3 and the incinerator 1 is provided with air quantity sensing device 5 and thermal field passes
Induction device (not shown).Air quantity and thermal field sensing device can carry out in real time to entering the data such as tolerance, Temperature Distribution, CO concentration in stove
Monitoring.
In said program, preferably, the air quantity sensing device 5 and the thermal field sensing device also with the gas supply
Device 2 connects.Feeder 2 is fed data back to, the gas production of feeder 2 is adjusted, so that hydrogen-containing gas and air are always
In the state most beneficial for burning.For example, when air flow sensor 5 detects that air quantity reduces in incinerator air compartment, gas supply dress
Putting control reduces the gas production of hydrogen-containing gas.
In said program, preferably, the incinerator 1 has main combustion air duct, the outlet of the pre-mixing apparatus 3
Mouth is connected by the third gas-guide tube with the main combustion air duct of incinerator 1, and mixed gas is sprayed onto incinerator by nozzle 101
It is interior.So that mixed gas is quickly reached in incinerator 1.
In the present invention in one embodiment, preferably, the air-control device for being used for boiler catalysis burning also wraps
It includes：
Air compressor is connected with second air inlet of the pre-mixing apparatus 3 by second gas-guide tube, with
Air is provided；With,
Flowmeter is arranged between second gas-guide tube and second air inlet, and the entrance of the flowmeter
It is connected with second gas-guide tube, and exports and connected with second air inlet.Between air compressor and pre-mixing apparatus 3 also according to
It is secondary to be provided with pressure reducing valve 9 and flowmeter 10.Also, it is provided with pressure sensor 11 with feeder 2 and air compressor to be connected
It connects, when pressure sensor 11 detects that air pressure is less than setting value, the control of feeder 2 closes solenoid valve 6 and stops producing
Gas.
In the present invention in one embodiment, preferably, further including：
Water demineralizer 7, water inlet are connected with the water source, and water outlet respectively by the first and second water pipes with
The raw material liquid injection port of the feeder 2 is connected with the water supplement port of the cooling device 4.Water demineralizer 7 can be removed in tap water
A large amount of inorganic ion achievees the purpose that prevent incrustation scale from generating, on the one hand ensure that the long-time of feeder 2 is normally transported
On the other hand row can prevent circulating cooling pipe routing from being blocked in the deposition of incrustation scale.
In the present invention in one embodiment, preferably, the water outlet of the water demineralizer 7 is filled with the gas supply
It puts and is provided with valve, and the valve is located on the first water pipe between 2 raw material liquid injection port.
In the present invention in one embodiment, as depicted in figs. 1 and 2, for the air-control device of boiler catalysis burning
It is passed by power-supply system, feeder 2, cooling device 4, water-softening plant 7, pre-mixing apparatus 3 and air quantity sensing device 5 and thermal field
Induction device and control system.Control system includes feedback automatic adjustment unit, the air quantity sensing device 5 and thermal field sensing device
Deng.Power-supply system is two distribution boxs 8, and alternating current taps into feeder 2 by distribution box derived from switchgear house and cooling fills
Put 4.Feeder 2 is entered by valve by a tap water part for water demineralizer 7, hydrogen is generated by electrolysis
Body, the hydrogen-containing gas of generation enter pre-mixing apparatus 3, while air is also passed into pre-mixing apparatus 3, hydrogen-containing gas and air along delivery pipe
Enter in incinerator 1 by air valve device along third gas-guide tube after mixing in pre-mixing apparatus 3；Air quantity and thermal field sensing dress
Putting can in real time be monitored to entering the data such as tolerance, Temperature Distribution, CO concentration in stove, fed data back to feeder 2, passed through
Analysis to related data then adjusts the gas production of feeder 2 and main air enters tolerance, ensures hydrogen-containing gas
Content is in the state most beneficial for burning with excess air factor always.Entered by water another part of water demineralizer 7 cold
The water inlet of water after cooling from the cooling pipe of feeder 2 is passed through by but device 4, cooling device 4 by water cooling later,
It flows out from water outlet, and pass through delivery pipe and back flow back into cooling device 4 after flowing through the cooling pipe of feeder 2, is recycled with this
Back and forth.
Module number and treatment scale described herein are the explanations for simplifying the present invention.The gas supply of the present invention is filled
It puts, the application of air quantity sensing device and thermal field sensing device, modifications and variations are aobvious and easy to one skilled in the art
See.
As described above, according to the present invention, burnt since air and hydrogen-containing gas proportionally to be uniformly mixed to be passed through again in advance
It burns in stove, therefore with the sufficient effect of fuel combustion.
Although the embodiments of the present invention have been disclosed as above, but its be not restricted in specification and embodiment it is listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, it is of the invention and unlimited
In specific details and legend shown and described herein.
Claims (4)
1. a kind of air-control device for boiler catalysis burning, which is characterized in that including：
Incinerator；
Feeder is used to accommodating or generating hydrogen-containing gas；
Pre-mixing apparatus, the first air inlet are connected by the first gas-guide tube with the feeder, and its second air inlet passes through
Second gas-guide tube and air communication, and gas outlet is connected by third gas-guide tube with the incinerator, is contained in the pre-mixing apparatus
The volume ratio of hydrogen and the air is 1:3；And
Cooling device, cold water outlet are connected with the water inlet of the cooling line of the feeder, and water return outlet and the gas supply
The water outlet connection of the cooling line of device；
Air compressor is connected with second air inlet of the pre-mixing apparatus by second gas-guide tube, to provide
Air；With,
Flowmeter is arranged between second gas-guide tube and second air inlet, and the entrance of the flowmeter and institute
The connection of the second gas-guide tube is stated, and exports and is connected with second air inlet；
The connectivity part of the incinerator is provided with air quantity sensing device for the gas outlet of the pre-mixing apparatus and thermal field senses
Device；
The incinerator has main combustion air duct, and the gas outlet of the pre-mixing apparatus is burnt by the third gas-guide tube with described
Burn the main combustion air duct connection of stove.
2. as described in claim 1 for the air-control device of boiler catalysis burning, which is characterized in that the air quantity sensing device
It is also connect with the thermal field sensing device with the feeder.
3. as described in claim 1 for the air-control device of boiler catalysis burning, which is characterized in that further include：
Water demineralizer, water inlet are connected with water source, and water outlet passes through the first and second water pipes and the gas supply respectively
The raw material liquid injection port of device is connected with the water supplement port of the cooling device.
4. as claimed in claim 3 for the air-control device of boiler catalysis burning, which is characterized in that the water demineralizer goes out
Valve is provided between the mouth of a river and the raw material liquid injection port of the feeder, and the valve is located on the first water pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379320.1A CN105864791B (en) | 2016-05-31 | 2016-05-31 | For the air-control device of boiler catalysis burning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379320.1A CN105864791B (en) | 2016-05-31 | 2016-05-31 | For the air-control device of boiler catalysis burning |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105864791A CN105864791A (en) | 2016-08-17 |
| CN105864791B true CN105864791B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610379320.1A Active CN105864791B (en) | 2016-05-31 | 2016-05-31 | For the air-control device of boiler catalysis burning |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594654Y (en) * | 2003-01-15 | 2003-12-24 | 伍静能源科技股份有限公司 | Oxygen-hydrogen mixed fuel producer |
| CN1800712A (en) * | 2005-11-03 | 2006-07-12 | 中国兵器科学研究院宁波分院 | Brown gas type integrated solid waste incinerator |
| CN101683599A (en) * | 2009-08-06 | 2010-03-31 | 煤炭科学研究总院重庆研究院 | High-precision gas mixing system and method |
| CN204704819U (en) * | 2013-06-25 | 2015-10-14 | Ggi集团有限公司 | Combustion system |
| CN205746873U (en) * | 2016-05-31 | 2016-11-30 | 浙江和利氢能科技股份有限公司 | Air-control device for boiler catalysis burning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1061929A (en) * | 1996-08-15 | 1998-03-06 | Takuma Co Ltd | Control method for supplying secondary combustion air in combustion device |
-
2016
- 2016-05-31 CN CN201610379320.1A patent/CN105864791B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2594654Y (en) * | 2003-01-15 | 2003-12-24 | 伍静能源科技股份有限公司 | Oxygen-hydrogen mixed fuel producer |
| CN1800712A (en) * | 2005-11-03 | 2006-07-12 | 中国兵器科学研究院宁波分院 | Brown gas type integrated solid waste incinerator |
| CN101683599A (en) * | 2009-08-06 | 2010-03-31 | 煤炭科学研究总院重庆研究院 | High-precision gas mixing system and method |
| CN204704819U (en) * | 2013-06-25 | 2015-10-14 | Ggi集团有限公司 | Combustion system |
| CN205746873U (en) * | 2016-05-31 | 2016-11-30 | 浙江和利氢能科技股份有限公司 | Air-control device for boiler catalysis burning |
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|---|---|
| CN105864791A (en) | 2016-08-17 |
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