CN204329031U - A kind of incinerator - Google Patents
A kind of incinerator Download PDFInfo
- Publication number
- CN204329031U CN204329031U CN201420738915.8U CN201420738915U CN204329031U CN 204329031 U CN204329031 U CN 204329031U CN 201420738915 U CN201420738915 U CN 201420738915U CN 204329031 U CN204329031 U CN 204329031U
- Authority
- CN
- China
- Prior art keywords
- arch
- incinerator
- traveling
- burner hearth
- apsacline
- Prior art date
- 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.)
- Expired - Fee Related
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- Incineration Of Waste (AREA)
Abstract
The utility model discloses a kind of incinerator, comprise traveling-grate stoker, charging aperture, L-type face arch and apsacline rear arch, the upper end of apsacline rear arch extends to below the horizontal segment of L-type face arch, traveling-grate stoker comprises horizontally disposed leading portion and the back segment arranged that tilts to decline, and also comprises overfire air jet and coal burner.The utility model has the following advantages compared to existing technology: the utility model adopts rubbish and coal cinder mixing to add grate firing-suspension coal dust method, by changing existing chain furnace fire grate structure, improve structure and the air distribution mode of existing incinerator burner hearth, design a kind of new and effective incinerator, to ensure that waste steady burns, reduce the discharge of toxic gas, effectively raise economic benefit and environmental benefit.
Description
Technical field
The utility model relates to city garbage burning field, in particular a kind of incinerator.
Background technology
Along with the fast development of China's economic and the raising of people's living standard, the output of house refuse also grows with each passing day.The traditional processing mode of rubbish carries out garbage loading embeading in refuse landfill.There is many drawbacks in this traditional trash processing way: one is that refuse landfill takies a large amount of soils, causes land resource pretty nervous; Two is that landfill waste causes a large amount of poisonous sepage will bring severe contamination to soil and groundwater; Three is that the matter and energy that garbage loading embeading makes large quantity of material contain cannot be utilized, and causes the waste of resource.So this processing mode seldom adopts in developed country of developed country.Compared with landfill, waste incineration is a kind of processing mode preferably, can make waste reduction, subtract appearance by burning, and can utilize heat generating, the heat supply of burning generation, reaches the object of energy recovery.
Current chain incinerator adopts fuel oil and the combustion-supporting burning structure of combustion type mostly; this combustion system not only somewhat expensive but also very high for rubbish pre-processing requirements; for when not carrying out the consumer waste incineration of processed; usually can be unstable because of temperature in burner hearth, have impact on waste incineration effect.Produce a large amount of poisonous and harmful substances.Need to oil spout in stove or jet combustion-supporting maintenance normal combustion.Can produce dioxin poisonous in a large number when common chain furnace is burnt away the refuse, be all processed by equipment for after-treatment under normal circumstances.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of incinerator.
The utility model is achieved through the following technical solutions: a kind of incinerator, comprise traveling-grate stoker, charging aperture, L-type face arch and apsacline rear arch, L-type face arch extends in burner hearth from burner hearth antetheca, obliquity rear arch upwards extends to burner hearth medium dip bottom burner hearth rear wall, the upper end of apsacline rear arch is lower than the horizontal segment height of L-type face arch, it is characterized in that: the upper end of apsacline rear arch extends to below the horizontal segment of L-type face arch, traveling-grate stoker comprises horizontally disposed leading portion and the back segment arranged that tilts to decline.
As further improvement of these options, the angle angle between apsacline rear arch and horizontal plane is less than the angle angle between traveling-grate stoker back segment and horizontal plane.
As further improvement of these options, also comprise overfire air jet, overfire air jet is arranged on burner hearth rear wall, is positioned at traveling-grate stoker back segment upper rear, and Secondary Air Peng air outlet points to traveling-grate stoker leading portion along the incline direction of back segment.
As further improvement of these options, in the burner hearth of described traveling-grate stoker back segment upper rear, also coal burner is set.
The utility model has the following advantages compared to existing technology: (1) by chain fire-gate segment design, rubbish by time can form upset to a certain degree, increase the heating surface area of rubbish, improve efficiency of combustion.The angle of inclination of apsacline rear arch is coordinated to be less than chain fire-gate back segment, fire grate corner volume is reduced, improve flue gas by time flow velocity, vortex is formed under L-type face arch region, increase the high-temperature flue gas time of staying, improve the temperature in L-type face arch region, the caloic enhanced between high temperature gas flow and anterior material to be burnt exchanges, fire grate preheating zone is shortened, and dry after-flame regional percentage becomes large.Improve the drying efficiency of rubbish under L-type face arch.
(2) install overfire air jet additional at the afterbody of chain furnace, the Main Function of this device optimizes air distribution, makes the heat of burning-out zone to dry section and combustion zone transfer, improve efficiency of combustion.
(3) install coal burner additional in chain furnace two sides of tail, its Main Function improves tail temperature, improves incineration firing efficiency, optimizes the distribution in temperature field in burner hearth; Duff sends into burner after drying after coal pulverizer is levigate, carries out suspension combustion, thus realizes the object of rubbish coal cinder and composite combustion with powdered coal.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
As shown in Figure 1, a kind of incinerator, comprise traveling-grate stoker 1, charging aperture 7, L-type face arch 2 and apsacline rear arch 3, L-type face arch 2 extends in burner hearth from burner hearth antetheca 41, obliquity rear arch 3 upwards extends to burner hearth medium dip bottom burner hearth rear wall 42, the upper end of apsacline rear arch 3 is lower than the horizontal segment height of L-type face arch 2, it is characterized in that: the upper end of apsacline rear arch 3 extends to below the horizontal segment of L-type face arch 2, traveling-grate stoker 1 comprises horizontally disposed leading portion 11 and the back segment 12 arranged that tilts to decline.Incinerator wall adopts overall adiabatic heat-insulation to design, and makes furnace wall hull-skin temperature closely and is normal temperature, avoids wall heat loss, prevents grey phenomenon generation of leaking out simultaneously, improves incinerator efficiency of combustion.Adopt the mode of system storehouse air-supply, simplify installation and the hearth sealability in air channel greatly, more point of storehouse air supply mode, improves incinerator Air Leakage to greatest extent.By the segment design to traveling-grate stoker 1, rubbish by time can form upset to a certain degree, increase the heating surface area of rubbish, improve efficiency of combustion.
Angle angle between apsacline rear arch 3 and horizontal plane is less than the angle angle between traveling-grate stoker 1 back segment 12 and horizontal plane.By such design, fire grate corner volume is reduced, improve flue gas by time flow velocity, vortex is formed under L-type face arch 2 region, increase the high-temperature flue gas time of staying, improve the temperature in L-type face arch 2 region, the caloic enhanced between high temperature gas flow and anterior material to be burnt exchanges, fire grate preheating zone is shortened, and dry after-flame regional percentage becomes large.Improve the drying efficiency of L-type face arch 2 times rubbish
Also comprise overfire air jet 6, overfire air jet 6 is arranged on burner hearth rear wall 42, is positioned at traveling-grate stoker 1 back segment 12 upper rear, and the air outlet of overfire air jet 6 points to traveling-grate stoker 1 leading portion 11 along the incline direction of back segment 12.Overfire air jet 6, can optimize air distribution, makes the heat of burning-out zone to dry section and combustion zone transfer, improves efficiency of combustion.
In the burner hearth of described traveling-grate stoker 1 back segment 12 upper rear, coal burner 5 is also set.Spray into burning by coal dust, improve tail temperature, improve incineration firing efficiency, optimize the distribution in temperature field in burner hearth; Duff sends into burner 5 after drying after coal pulverizer is levigate, carries out suspension combustion, thus realizes the object of rubbish coal cinder and composite combustion with powdered coal; In addition, the burning of coal dust consumes the oxygen of fire grate afterbody, weakens the oxidizing atmosphere of afterbody, the oxygen of whole burner hearth is evenly distributed, contains the generation of dioxin to greatest extent.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. an incinerator, comprise traveling-grate stoker, charging aperture, L-type face arch and apsacline rear arch, described L-type face arch extends in burner hearth from burner hearth antetheca, described obliquity rear arch upwards extends to burner hearth medium dip bottom burner hearth rear wall, the upper end of described apsacline rear arch is lower than the horizontal segment height of described L-type face arch, it is characterized in that: the upper end of described apsacline rear arch extends to below the horizontal segment of described L-type face arch, described traveling-grate stoker comprises horizontally disposed leading portion and the back segment arranged that tilts to decline.
2. a kind of incinerator as claimed in claim 1, is characterized in that: the angle angle between described apsacline rear arch and horizontal plane is less than the angle angle between described traveling-grate stoker back segment and horizontal plane.
3. a kind of incinerator as claimed in claim 1, it is characterized in that: also comprise overfire air jet, described overfire air jet is arranged on described burner hearth rear wall, be positioned at described traveling-grate stoker back segment upper rear, described Secondary Air Peng air outlet points to described traveling-grate stoker leading portion along the incline direction of described back segment.
4. a kind of incinerator as claimed in claim 1, is characterized in that: in the burner hearth of described traveling-grate stoker back segment upper rear, also arrange coal burner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738915.8U CN204329031U (en) | 2014-11-28 | 2014-11-28 | A kind of incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420738915.8U CN204329031U (en) | 2014-11-28 | 2014-11-28 | A kind of incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204329031U true CN204329031U (en) | 2015-05-13 |
Family
ID=53165385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420738915.8U Expired - Fee Related CN204329031U (en) | 2014-11-28 | 2014-11-28 | A kind of incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204329031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456578A (en) * | 2014-11-28 | 2015-03-25 | 合肥工业大学 | Garbage incinerator |
-
2014
- 2014-11-28 CN CN201420738915.8U patent/CN204329031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104456578A (en) * | 2014-11-28 | 2015-03-25 | 合肥工业大学 | Garbage incinerator |
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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: 20150513 Termination date: 20171128 |