CN101865471B - Oxygen provider of rotary garbage furnace - Google Patents
Oxygen provider of rotary garbage furnace Download PDFInfo
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- CN101865471B CN101865471B CN201010219648XA CN201010219648A CN101865471B CN 101865471 B CN101865471 B CN 101865471B CN 201010219648X A CN201010219648X A CN 201010219648XA CN 201010219648 A CN201010219648 A CN 201010219648A CN 101865471 B CN101865471 B CN 101865471B
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- Prior art keywords
- oxygen
- oxygen supply
- window
- heater
- rotary incinerator
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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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- Incineration Of Waste (AREA)
Abstract
The invention discloses an oxygen provider of a rotary garbage furnace, which comprises at least one set of secondary oxygen supply devices, wherein each set of secondary oxygen supply devices are distributed in the axial direction of a furnace body of the rotary garbage furnace, each set of secondary oxygen supply devices are provided with at least one oxygen providing window distributed in the circumferential direction of the furnace body, mesh screen plates are respectively embedded in each oxygen providing window, and the outer side of each oxygen providing window is respectively covered with a matched movable window leaf capable of being automatically opened and closed along with the rotation of the furnace body. The invention has the advantages that the movable window leaves covered on the outer side of the oxygen providing window can be automatically opened and closed along with the rotation of the furnace body, the movable window leaves are opened when being positioned at the lower half circle of the furnace body and are closed when being positioned at the upper half circle of the furnace body, when the movable window leaves are opened, air enters a furnace hearth of the furnace body through the oxygen providing window for carrying out second oxygen supply to the furnace hearth and providing sufficient oxygen gas for combustion objects in time, the sufficient combustion is reached, the generation of dioxin contaminants can be effectively controlled, and the discharge of the dioxin and heavy metal contaminants completely reaches the standard through national CMA and CAPM mechanism in-site exhaust sampling detection.
Description
Technical field
The present invention relates to a kind of incinerator, be specifically related to a kind of oxygen supply device of rotary incinerator.
Background technology
Garbage disposal is a global difficult problem always.Garbage loading embeading appropriation of land, contaminated environment, the aggravation Global Greenhouse Effect.The nearly 200,000,000 tons of rubbish of the annual generation of China need 20,000 mu of land occupations.
Rubbish adopts burning disposal once to be considered to best safest method, and existing incinerator mainly contains two big classes, and a class is the grate-type incinerator, and another kind of is rotary incinerator.The working method of grate-type incinerator is multistage burning formula, and its volume is big, floor space is big, needs to combine with civil engineering, and building cycle is long, invests bigger; Rotary waste incineration furnace volume is little, floor space is little, also need not to combine with civil engineering, invest less, but existing rotary incinerator, its body of heater adjustable shelf is located on the bracing frame and under the driving of drive unit and is rotated, the top of body of heater has flue, its oxygen supply mode has only axial folk prescription to oxygen supply, the oxygen supply deficiency, and rubbish can't completing combustion, produce primary pollutant------dioxin and heavy metal contaminants, discharging can't be up to standard, and therefore, existing rotary incinerator mostly is small incinerator greatly, generally be used to burn medical waste, cause incineration treatment of garbage to be difficult to promote the use of.
Summary of the invention
The oxygen supply device that the purpose of this invention is to provide a kind of rotary incinerator, it can make rotary incinerator overcome dioxin and heavy metal contaminants, realizes qualified discharge.
Technical scheme of the present invention is such: the oxygen supply device of rotary incinerator, comprise at least one cover secondary apparatus of oxygen supply, each overlaps the body of heater axial distribution of described secondary apparatus of oxygen supply along rotary incinerator, the described secondary apparatus of oxygen supply of every cover is provided with at least one oxygen window that circumferentially distributes along the body of heater of rotary incinerator, be embedded with mesh plate in each oxygen window respectively, the outside of each oxygen window be covered with respectively suitable can be with the movable sashes of the rotation automatic shutter of body of heater.
Above-mentioned mesh plate is the bucket-shaped structure of awl.
One end of above-mentioned movable sashes is articulated in an end in the outside of above-mentioned oxygen window, and the other end connects the other end in the outside of above-mentioned oxygen window by loop chain.
The above-mentioned secondary apparatus of oxygen supply that respectively overlaps is surrounded by the air preheat ring outward respectively, has the gap between the body of heater of each air preheat ring and rotary incinerator, the lower end of each air preheat ring is provided with air inlet, the upper end is connected with the flue of rotary incinerator respectively, and offers cannelure respectively on the internal perisporium of each air preheat ring.
The above-mentioned secondary apparatus of oxygen supply of every cover is provided with 2-6 the oxygen window along the circumferential symmetrical distribution of the body of heater of rotary incinerator.
After adopting such scheme, the oxygen supply device of rotary incinerator of the present invention, body of heater axial distribution along rotary incinerator has at least one cover secondary apparatus of oxygen supply, every cover secondary apparatus of oxygen supply is provided with at least one oxygen window that circumferentially distributes along body of heater, be embedded with mesh plate in each oxygen window respectively, the outside of each oxygen window be covered with respectively suitable can be with the movable sashes of the rotation automatic shutter of body of heater.Beneficial effect of the present invention is: during work, the body of heater of rotary incinerator is in rotation, the movable sashes that covers on the oxygen window outside can be with the rotation automatic shutter of body of heater, close when opening, forwarding to the Lower Half of body of heater when movable sashes forwards the first half of body of heater to, when movable sashes was opened, air was entered in the burner hearth of body of heater by oxygen window, burner hearth is carried out the secondary oxygen supply, provide the oxygen of capacity for burning object, reach abundant burning, can effectively control the generation of dioxin and heavy metal pollution material.
And, among the present invention, each overlaps the corresponding setting of oxygen window of secondary apparatus of oxygen supply, like this, body of heater is when rotating, each overlaps the air inlet simultaneously of the corresponding oxygen window of secondary apparatus of oxygen supply, the axial many places of burner hearth enter air (secondary wind) simultaneously like this, make the gas that burns in the burner hearth form turbulent flow, for waste incineration whole process provides the oxygen of timely capacity and oxygen is fully mixed with rubbish, reach abundant burning, secondary wind forms vortex in the burner hearth of high temperature, prolong smoke is controlled the generation of dioxin and heavy metal pollution material further in the time of staying of high-temperature region.
Among the present invention, each overlaps the secondary apparatus of oxygen supply and is surrounded by the air preheat ring outward respectively, and the lower end of each air preheat ring is provided with air inlet, and the upper end is connected with flue respectively, and offers annular outgassing groove respectively on the internal perisporium of each air preheat ring.The silt that produces in the high-temp combustion process (dust) is sifted out by the mesh plate in the oxygen window, be discharged in the air inlet of air preheat ring lower end and discharge, air through the preheating of air preheat ring enters burner hearth after the silt (dust) with high temperature collides, the ignition temperature of air themperature and burner hearth is approaching, avoid furnace temperature fluctuation, keep smooth combustion, high-temp combustion, further promote fully burning, the generation of control dioxin and heavy metal pollution material.
Adopt rotary incinerator of the present invention, through the on-the-spot emission sampling of national CMA and CAPM mechanism, the dioxin discharging is up to standard fully, concrete testing result is: dioxin 0.048ngTEQ/m (European standard 0.1ngTEQ/m, national standard 1.0ngTEQ/m), especially the strongest 2.3.7.8-TCDD of dioxin toxin reaches＜0.0023ngTEQ/m, occupy world lead level).
Description of drawings
Fig. 1 is the stereogram of the rotary incinerator of use oxygen supply device of the present invention;
Fig. 2 is the front view of the rotary incinerator of use oxygen supply device of the present invention;
Fig. 3 is the A-A cut-away enlarged view (omitting bracing frame and flue) of Fig. 2;
Fig. 4 is movable sashes closure state schematic diagram among the present invention;
Fig. 5 is movable sashes open mode schematic diagram among the present invention.
The specific embodiment
Below in conjunction with accompanying drawing the present invention is described in detail.
The oxygen supply device of rotary incinerator of the present invention, shown in Fig. 1-5, the axial equidistant intervals of the body of heater 1 upper edge body of heater 1 of rotary incinerator is distributed with at least one cover secondary apparatus of oxygen supply, the number of secondary apparatus of oxygen supply is decided on the axial length of body of heater 1, general interval is provided with a cover secondary apparatus of oxygen supply for 1 meter, every cover secondary apparatus of oxygen supply is provided with circumferential equally distributed at least one oxygen window 31 along body of heater 1, the quantity of oxygen window 31 is decided on the diameter of body of heater 1 in every cover secondary apparatus of oxygen supply, be generally 2-6, and the oxygen window 31 corresponding settings of respectively overlapping the secondary apparatus of oxygen supply.
Be embedded with the bucket-shaped mesh plate 32 of awl in the oxygen window 31 respectively, be used to spill the silt (dust) that incineration firing produces in the body of heater 1, (can fix by welding manner) position corresponding to the edge of oxygen window 31 on the madial wall of body of heater 1 is fixed at the edge of boring bucket-shaped mesh plate 32.
The outside of each oxygen window 31 is covered with suitable movable sashes 33 respectively, movable sashes 33 has arc 331 and interior panel 332, arc 331 is corresponding with the shape of oxygen window 31, interior panel 332 can stretch into when movable sashes 33 closures and be embedded in the oxygen window 31, is used to prevent smoke spillage; Arc 331 is respectively straight flange with circumferential corresponding two limits of body of heater 1, a straight flange of arc 331 is installed on by hinge 34 on the edge of lateral wall corresponding to oxygen window 31 corresponding edge of body of heater 1, hinge 34 is provided with cushion pad 36, another straight flange of arc 331 connects an end of loop chain 35, and the other end of loop chain 35 is fixed (can fix by welding manner) on the edge of lateral wall corresponding to oxygen window 31 corresponding edge of body of heater 1.
Each secondary apparatus of oxygen supply on the body of heater 1 is surrounded by air preheat ring 4 outward respectively, each air preheat ring 4 respectively by bracing frame around being arranged at outside the body of heater 1, and has the gap between each air preheat ring 4 and the body of heater 1, the lower end of air preheat ring 4 is provided with air inlet 41, this air inlet 41 also is the cinder-discharging port of body of heater 1, the upper end of air preheat ring 4 is connected with flue 11 respectively, avoid smoke spillage, and offer the cannelure of notch towards each secondary apparatus of oxygen supply on the inner peripheral wall of each air preheat ring 4 respectively, the groove width of this cannelure can be held the action that arc 331 carries out open and close within it.
During work, rubbish is contained in interior burning of burner hearth of body of heater 1, body of heater 1 begins rotation under the driving of drive unit, movable sashes 33 is along with body of heater 1 rotation (is example to be rotated counterclockwise), effect because of gravity, the movable sashes 33 that is positioned at the upper semi-circle of body of heater 1 is closure state, the movable sashes 33 that is positioned at the lower half circle of body of heater 1 drops naturally with one side that loop chain 35 is connected, movable sashes 33 has just been opened, air is entered by oxygen window 31 in the burner hearth of body of heater 1, and burner hearth is carried out the secondary oxygen supply, for the waste incineration overall process provides the oxygen of capacity in time, reach abundant burning, effectively control the generation of dioxin contamination material.
The present invention offers 2-6 oxygen window 31 at every cover secondary apparatus of oxygen supply, and respectively overlap the oxygen window 31 corresponding settings on the secondary apparatus of oxygen supply, like this, when body of heater 1 rotation, each one or more groups corresponding oxygen window 31 that overlaps on the secondary apparatus of oxygen supply is opened simultaneously, the axial many places of burner hearth enter air (secondary wind) simultaneously, make the gas that burns in the burner hearth form turbulent flow, provide the oxygen of capacity and fully mixing for burning object, promote fully burning, secondary wind forms vortex in the burner hearth of high temperature simultaneously, prolong smoke is further controlled the generation of dioxin contamination material in the time of staying of high-temperature region (time of staying is more than 3 times of existing rotary incinerator).
The present invention is surrounded by air preheat ring 4 respectively outside each cover secondary apparatus of oxygen supply, the silt (dust) that produces in the high-temp combustion process in the burner hearth is sifted out by the bucket-shaped mesh plate 32 of awl in the oxygen window 31, be discharged in the air inlet 41 of air preheat ring 4 lower ends and discharge, air through 4 preheatings of air preheat ring enters burner hearth by the oxygen window of opening 31 after the silt (dust) with high temperature collides, the air themperature of replenishing and the ignition temperature of burner hearth are approaching, avoid furnace temperature fluctuation, keep smooth combustion, high-temp combustion (temperature 〉=850 ℃), further realize fully burning again, the generation of control dioxin contamination material realizes qualified discharge.
Adopt rotary incinerator of the present invention, through national CMA and CAPM mechanism spot sampling emission, the dioxin discharging is up to standard fully, concrete testing result is: dioxin 0.048ngTEQ/m (European standard 0.1ngTEQ/m, national standard 1.0ngTEQ/m), especially the strongest 2.3.7.8-TCDD of dioxin toxin reaches＜0.0023ngTEQ/m, occupy world lead level, generation that can very effective control dioxin contamination material.
Claims (5)
1. the oxygen supply device of rotary incinerator, it is characterized in that: comprise at least one cover secondary apparatus of oxygen supply, each overlaps the body of heater axial distribution of described secondary apparatus of oxygen supply along rotary incinerator, the described secondary apparatus of oxygen supply of every cover is provided with at least one oxygen window that circumferentially distributes along the body of heater of rotary incinerator, be embedded with mesh plate in each oxygen window respectively, the outside of each oxygen window be covered with respectively suitable can be with the movable sashes of the rotation automatic shutter of body of heater.
2. the oxygen supply device of rotary incinerator according to claim 1 is characterized in that: above-mentioned mesh plate is the bucket-shaped structure of awl.
3. the oxygen supply device of rotary incinerator according to claim 1, it is characterized in that: an end of above-mentioned movable sashes is articulated in an end in the outside of above-mentioned oxygen window, and the other end connects the other end in the outside of above-mentioned oxygen window by loop chain.
4. the oxygen supply device of rotary incinerator according to claim 1, it is characterized in that: the above-mentioned secondary apparatus of oxygen supply that respectively overlaps is surrounded by the air preheat ring outward respectively, has the gap between the body of heater of each air preheat ring and rotary incinerator, the lower end of each air preheat ring is provided with air inlet, the upper end is connected with the flue of rotary incinerator respectively, and offers cannelure respectively on the internal perisporium of each air preheat ring.
5. the oxygen supply device of rotary incinerator according to claim 1 is characterized in that: the above-mentioned secondary apparatus of oxygen supply of every cover is provided with 2-6 the circumferential equally distributed oxygen window along the body of heater of rotary incinerator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010219648XA CN101865471B (en) | 2010-06-21 | 2010-06-21 | Oxygen provider of rotary garbage furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010219648XA CN101865471B (en) | 2010-06-21 | 2010-06-21 | Oxygen provider of rotary garbage furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101865471A CN101865471A (en) | 2010-10-20 |
| CN101865471B true CN101865471B (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010219648XA Expired - Fee Related CN101865471B (en) | 2010-06-21 | 2010-06-21 | Oxygen provider of rotary garbage furnace |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106361121B (en) * | 2016-11-02 | 2018-01-05 | 吉林省福泰厨具有限公司 | A kind of smokeless incinerator |
| CN107120654B (en) * | 2017-05-27 | 2023-08-01 | 厦门市高科禹翔科技有限公司 | Sanitary garbage disposal method |
| CN106979523B (en) * | 2017-05-27 | 2023-08-01 | 厦门市高科禹翔科技有限公司 | Dynamic turbulent cyclone device of incinerator and working method thereof |
| CN114165790B (en) * | 2021-11-25 | 2024-05-14 | 夏宇 | Pyrolysis gasification furnace for bidirectional oxygen supply at bottom of plateau by baffling |
| CN114151806B (en) * | 2021-11-30 | 2024-03-12 | 山东蓝天新材料科技有限公司 | Color-coating curing waste gas treatment device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375870Y (en) * | 1999-04-14 | 2000-04-26 | 边兴植 | Living refuse purifying incinerator |
| EP1065441A1 (en) * | 1999-07-02 | 2001-01-03 | Fls Miljo A/S | Gate arrangement for straw firing plant |
| CN2739490Y (en) * | 2004-10-07 | 2005-11-09 | 吴谦信 | Enclosed rotary garbage incinerator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050139272A1 (en) * | 2003-10-28 | 2005-06-30 | Thornton Lyman L. | Rotary air distributor |
| US7351056B2 (en) * | 2005-11-10 | 2008-04-01 | Holcim (Us) Inc. | Method and apparatus for introducing materials into a rotary kiln |
| CN201772467U (en) * | 2010-06-21 | 2011-03-23 | 泉州市锦田机械厂 | Oxygen supply device of rotary garbage incinerator |
-
2010
- 2010-06-21 CN CN201010219648XA patent/CN101865471B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2375870Y (en) * | 1999-04-14 | 2000-04-26 | 边兴植 | Living refuse purifying incinerator |
| EP1065441A1 (en) * | 1999-07-02 | 2001-01-03 | Fls Miljo A/S | Gate arrangement for straw firing plant |
| CN2739490Y (en) * | 2004-10-07 | 2005-11-09 | 吴谦信 | Enclosed rotary garbage incinerator |
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| CN101865471A (en) | 2010-10-20 |
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