CN204063051U - Biomass fuel preheating device in a kind of incineration treatment of garbage - Google Patents
Biomass fuel preheating device in a kind of incineration treatment of garbage Download PDFInfo
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- CN204063051U CN204063051U CN201420539784.0U CN201420539784U CN204063051U CN 204063051 U CN204063051 U CN 204063051U CN 201420539784 U CN201420539784 U CN 201420539784U CN 204063051 U CN204063051 U CN 204063051U
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- China
- Prior art keywords
- combustion chamber
- biomass fuel
- garbage
- preheating device
- incineration treatment
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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
Abstract
The utility model belongs to the technical field of garbage disposal, be specifically related to the biomass fuel preheating device in a kind of incineration treatment of garbage, first combustion chamber is built-in with fire grate, be provided with the second combustion chamber in the first side, combustion chamber of incinerator, this second combustion chamber is connected by set cinder chamber with the bottom of the first combustion chamber; The top of the second combustion chamber is provided with exhanst gas outlet, and this exhanst gas outlet is connected with air-introduced machine by flue.Biomass fuel preheating device in this incineration treatment of garbage not only can significantly reduce preheating cost, realizes the omnibearing preheating of low cost, and realizes twice laid; Economize energy; Zero carbon emission, Environmental Safety.
Description
Technical field
The utility model belongs to the technical field of garbage disposal, is specifically related to the biomass fuel preheating device in a kind of incineration treatment of garbage.
Background technology
Rubbish not only destroys the ecological environment in city, also causes serious harm to the health of human body, therefore Biohazard Waste
Be harmlessly treated as problem demanding prompt solution.The process of current rubbish mainly adopts incineration technology or technique to dispose, and the main hazard refuse that waste incineration is discharged is dioxin, and the monitoring difficulty for dioxin is very big, and monitoring cost is high.Under this present situation, reduce enterprise to the treatment cost of dioxin, have important effect for the actual discharge reducing dioxin; And the cost administered reduces larger, actual pollution treatment effect is also better.
Conventional garbage incineration process all adopts forward combustion, and namely rubbish is positioned at the bottom of combustion zone, and high temperature pyrotechnics upwards
The technology walked.Forward combustion causes when rubbish just adds burner hearth, rubbish heat is decomposed the institute's flue gas such as volatile ingredient, dioxin produced and is upwards volatilized fast, insufficient because burning, there is over-emitting black exhaust phenomenon, thus increase the weight of follow-up disposal difficulty and burden in treatment system.
For controlling the discharge of dioxin in waste incineration, national standard has strict requirement for the ignition temperature of waste incineration, front end burner hearth waste incineration, require the second chamber temperature reach 700 DEG C with time, just can burn away the refuse, the preheating before therefore burning is particularly crucial.The fuel cost of waste incineration preheating cost when mainly incinerator just starts, one of prime cost of this Ye Shi waste incineration enterprise.In prior art, the preheating to the second combustion chamber is only confined to the preheating of incinerator, and the fuel adopted is diesel oil or natural gas.Like this when actual motion, consider cost factor, the many meetings of ignition temperature control in the lower temperature region meeting national regulation.
As can be seen here, technical problem urgently to be resolved hurrily is at present how to break the limitation of existing preheating, obtains a kind of new preheating device, not only can reach the standard-required of country, significantly can reduce again the operation cost of enterprise.
Summary of the invention
The purpose of this utility model is that the preheating cost before for current waste incineration is high, pre-heat effect difference and be only confined to the problem of preheating second combustion chamber, and the preheating device of the biomass fuel in a kind of incineration treatment of garbage is provided, biomass fuel preheating device in this incineration treatment of garbage not only can significantly reduce preheating cost, realize the omnibearing preheating of low cost, and realize twice laid; Economize energy; Zero carbon emission, Environmental Safety.
The technical solution of the utility model is: the biomass fuel preheating device in a kind of incineration treatment of garbage, comprises body of heater, and the top of this body of heater side is provided with the dog-house of biomass fuel; Be provided with the first combustion chamber in body of heater, this first combustion chamber is built-in with fire grate, and the first side, combustion chamber is provided with the second combustion chamber, and this second combustion chamber is connected by set cinder chamber with the bottom of the first combustion chamber; The top of the second combustion chamber is provided with preheating exhanst gas outlet, and this preheating exhanst gas outlet is connected with air-introduced machine by flue.
Described flue is provided with lambda sensor or carbon monoxide transducer.Lambda sensor can the content of oxygen in Real-Time Monitoring flue gas, carbon monoxide transducer then can the content of carbon monoxide in Real-Time Monitoring flue gas, utilize the air door folding degree of the norm controlling secondary air feed of oxygen content or carbon monoxide content in flue gas, regulate the air quantity of secondary air feed, realize monitoring air feed and reporting to the police, control feed can be reached further by the monitoring of air feed.
Described fire grate is divided into upper fire-grating and lower fire grating, is divided into the up-down structure in combustion zone, top and lower combustion district by this upper fire-grating and lower fire grating first combustion chamber.First combustion chamber is up-down structure, and flue gas trend is downward, gives rubbish and burns the time fully.The bottom of the first combustion chamber is designed to main combustion zone, makes the high-temperature flue gas of main combustion zone can upwards radiation, heat the rubbish in the first top, combustion chamber and air inlet, thus again can play the effect of heating for wind action and accelerated combustion.The cross-sectional dimension of fire grate is receiving firewood, and convenient operation is advisable.
Be spaced apart 10 ~ 12cm between the adjacent fire grate segment of described upper fire-grating, between the adjacent fire grate segment of lower fire grating, be spaced apart 2 ~ 3cm.
The front end of described body of heater is respectively equipped with the air door of an air feed and the air door of secondary air feed.
Described body of heater is divided into the first combustion chamber and the second combustion chamber by furnace wall.
Described furnace wall is heat conducting wall.Described incinerator is divided into the first combustion chamber and the second combustion chamber by furnace wall, and this furnace wall is heat conducting wall.Rely on the heat conductivility of furnace wall, preheating second combustion chamber.The heat part of the first combustion chamber reaches the second combustion chamber.Such as use common high-alumina brick, directly improve the temperature of the second combustion chamber, make the second combustion chamber obtain sufficient preheating.
Described fire grate is water-cooled grate.
The beneficial effects of the utility model are: the biomass fuel preheating device in incineration treatment of garbage described in the utility model, tool has the following advantages: (1) is cost-saving: make the preheating cost savings more than 80% before burning, burning-used biologic mass fuel is waste wood bavin such as, only this item and comparable fuel-firing preheating cost-saving more than 80%.
(2) furnace temperature is improved: adopt this preheating device to improve furnace temperature 200 ~ 300 DEG C, by systematized optimal design, adopt air feed preheating and the improvement to incinerator, ventilation temperature is made to improve 200 ~ 300 DEG C, not only preheating time can be reduced, save fuel cost and the blower fan power consumption cost of preheating, and the fire box temperature directly improved, dioxin and other pollutants are more thoroughly decomposed.Improve preheating flue-gas temperature, save combustion-supporting cost; Improve burning velocity and save power consumption, improve disposing capacity; Make incineration firing and decompose more thoroughly, flue gas mass is better.
(3) carbon zero-emission: compared with fossil fuel, the use of biomass fuel, can not increase the total amount of carbon in atmosphere, and therefore, in warm, this device can be described as zero carbon emission.This be burn now preheating device institute untouchable.Fuel handling, safety in utilization better, are convenient to manipulation and management.
(4) become the quantity of slag little: the first combustion chamber and the second combustion chamber are combined by cinder chamber by this device, adopt the mode of continuous charging.Like this, lime-ash carries out igloss under being in the high-temp combustion of the second combustion chamber and heat radiation always.Because air feed preheating improves the temperature of the second combustion chamber, make the temperature of the second combustion chamber can remain on about 1000 DEG C for a long time, high temperature sintering that is long-term, continuous print 1000 DEG C, can guarantee that the burn decrement rate of lime-ash maximizes, become the quantity of slag minimum.
In sum, the biomass fuel preheating device in described incineration treatment of garbage not only can significantly reduce preheating cost, realizes the omnibearing preheating of low cost, and realizes twice laid; Economize energy; Zero carbon emission, Environmental Safety.
Accompanying drawing explanation
Fig. 1 is the biomass fuel preheating device front view in the utility model detailed description of the invention in incineration treatment of garbage.
Fig. 2 is the biomass fuel preheating device left view in the utility model detailed description of the invention in incineration treatment of garbage.
Wherein, 1 is body of heater, and 2 is dog-house, and 3 is furnace wall, and 4 is cinder chamber, and 5 for preheating exhanst gas outlet, and 6 is flue, and 7 is air-introduced machine, and 8 is the air door of an air feed, and 9 is the air door of secondary air feed, and 10 is lambda sensor, and 11 for locking a door,
12 is upper fire-grating, and 13 is lower fire grating, and 14 is lime charging aperture, and 15 is lime bin, and 16 is the first combustion chamber, and 17 is
Two combustion chambers, 18 is breast hole.
Detailed description of the invention
Below by detailed description of the invention, the utility model is described in detail.
Biomass fuel preheating device in described incineration treatment of garbage, comprises body of heater 1, and the top of this body of heater 1 side is provided with the dog-house 2 of biomass fuel; Be arranged with the first combustion chamber 16 and the second combustion chamber 17 by furnace wall 3 in body of heater 1, wherein the first combustion chamber 16 is positioned at the side of the second combustion chamber 17; First combustion chamber 16 is connected by set cinder chamber 4 with the bottom of the second combustion chamber 17; The top of the second combustion chamber 17 is provided with preheating exhanst gas outlet 5, and this preheating exhanst gas outlet 5 is connected with air-introduced machine 7 by flue 6.
The front end of described body of heater 1 is respectively equipped with the air door 8 of an air feed and the air door 9 of secondary air feed; First combustion chamber 16 is divided into the up-down structure in combustion zone, top and lower combustion district by upper fire-grating 12 and lower fire grating 13; Be spaced apart 10 ~ 12cm between the adjacent fire grate segment of described upper fire-grating 12, between the adjacent fire grate segment of lower fire grating 13, be spaced apart 2 ~ 3cm.The air door 8 of a described air feed is arranged with two, is all positioned at the top of upper fire-grating 12; The air door 9 of secondary air feed is arranged with two, all between upper fire-grating 12 and lower fire grating 13.The top of described lower fire grating 13 is arranged with two breast holes 18, and this breast hole 18 is positioned at below the air door 9 of secondary air feed.The such design in described first combustion chamber 16 makes biomass fuel obtain thoroughly effective burning.The bottom of the first combustion chamber 16 is designed to main combustion zone, make the high-temperature flue gas of main combustion zone can upwards radiation, heat the rubbish in the first top, combustion chamber 16 and air inlet, thus again can play the effect that heating supplies wind action and accelerated combustion, and flue gas trend is downward, gives biomass fuel and burns the time fully.
Described furnace wall 3 is heat conducting wall, and heat conducting wall is the heat-conduction wall that high-alumina brick or silicon carbide material are made.Rely on the heat conductivility of furnace wall 3, preheating second combustion chamber 17.The heat part of the first combustion chamber 16 reaches the second combustion chamber 17.Such as use common high-alumina brick, directly improve the temperature of the second combustion chamber 17, make the second combustion chamber 17 obtain sufficient preheating.
Described flue 6 is provided with lambda sensor 10, and this lambda sensor 10 can the content of oxygen in Real-Time Monitoring flue gas, utilizes oxygen content index in flue gas monitor air feed and report to the police, can reach control feed further by the monitoring of air feed.When air feed is excessive, alert notice staff can accelerate feed; When air feed is not enough, staff can reduce feed accordingly, and stoker makes stove ventilate.
The room Kou Chu that described cinder chamber 4 is positioned at body of heater 1 front end is provided with and locks a door 11.
The top of described first combustion chamber 16 is provided with lime charging aperture 14, and this lime charging aperture 14 connects lime bin 15 by feed pipe.Like this while biomass fuel is burned, also depickling is carried out to produced flue gas, shortened treatment cycle.
First biomass fuel is sent into the first combustion chamber 16 by the dog-house 2 of body of heater 1 one upper lateral part, biomass fuel first burns at the upper fire-grating 12 of the first combustion chamber 16, then lime-ash drops down onto lower fire grating 13 and proceeds burning, due to the effect of outside air-introduced machine 7, the second combustion chamber 17 in incinerator is made to produce negative pressure, the cinder chamber 4 of the high temperature preheating flue gas that biomass fuel combustion produces successively bottom the first combustion chamber 16, combustion chamber 16, first and the second combustion chamber 17, discharge finally by by exhanst gas outlet 5, flue 6 and air-introduced machine 7.So omnibearing preheating is carried out to incinerator.Simultaneously by twice air feed that the air door 8 of an air feed and the air door 9 of secondary air feed enter, with be run downwards in the first combustion chamber 16 communicated bottom the second combustion chamber 17, form anti-burning, substantially increase the burning degree of biomass fuel, make its Thorough combustion heat release; A part of heat is passed to the second combustion chamber 17 by heat-conduction wall by the high temperature that meanwhile the first combustion chamber 16 internal cause biomass fuel combustion produces, and directly improves the temperature of the second combustion chamber 17, makes the second combustion chamber 17 obtain better preheating.Simultaneously on one end near chimney of flue 6, be provided with lambda sensor or carbon monoxide transducer; like this can oxygen content or carbon monoxide content in Real-Time Monitoring flue gas; thus control air feed and feed; and lambda sensor or carbon monoxide transducer are located at this position can protect sensor not damage by the too high flue gas of temperature; extend its service life, reasonable in design.
Claims (8)
1. the biomass fuel preheating device in incineration treatment of garbage, comprises body of heater, it is characterized in that, the top of this body of heater side is provided with the dog-house of biomass fuel; Be provided with the first combustion chamber in body of heater, this first combustion chamber is built-in with fire grate, and the first side, combustion chamber is provided with the second combustion chamber, and this second combustion chamber is connected by set cinder chamber with the bottom of the first combustion chamber; The top of the second combustion chamber is provided with preheating exhanst gas outlet, and this preheating exhanst gas outlet is connected with air-introduced machine by flue.
2. the biomass fuel preheating device according to claim 1 in incineration treatment of garbage, it is characterized in that, described flue is provided with lambda sensor or carbon monoxide transducer.
3. the biomass fuel preheating device according to claim 1 in incineration treatment of garbage, it is characterized in that, described fire grate is divided into upper fire-grating and lower fire grating, is divided into the up-down structure in combustion zone, top and lower combustion district by this upper fire-grating and lower fire grating first combustion chamber.
4. the biomass fuel preheating device according to claim 3 in incineration treatment of garbage, is characterized in that, is spaced apart 10 ~ 12cm between the adjacent fire grate segment of described upper fire-grating, is spaced apart 2 ~ 3cm between the adjacent fire grate segment of lower fire grating.
5. the biomass fuel preheating device according to claim 4 in incineration treatment of garbage, it is characterized in that, the front end of described body of heater is respectively equipped with the air door of an air feed and the air door of secondary air feed.
6. the biomass fuel preheating device according to claim 1 in incineration treatment of garbage, it is characterized in that, described body of heater is divided into the first combustion chamber and the second combustion chamber by furnace wall.
7. the biomass fuel preheating device according to claim 6 in incineration treatment of garbage, it is characterized in that, described furnace wall is heat conducting wall.
8. the biomass fuel preheating device according to claim 1 in incineration treatment of garbage, it is characterized in that, described fire grate is water-cooled grate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539784.0U CN204063051U (en) | 2014-09-19 | 2014-09-19 | Biomass fuel preheating device in a kind of incineration treatment of garbage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420539784.0U CN204063051U (en) | 2014-09-19 | 2014-09-19 | Biomass fuel preheating device in a kind of incineration treatment of garbage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204063051U true CN204063051U (en) | 2014-12-31 |
Family
ID=52204557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420539784.0U Expired - Fee Related CN204063051U (en) | 2014-09-19 | 2014-09-19 | Biomass fuel preheating device in a kind of incineration treatment of garbage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204063051U (en) |
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2014
- 2014-09-19 CN CN201420539784.0U patent/CN204063051U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180919 |