CN102221212B - Circular combustion furnace - Google Patents
Circular combustion furnace Download PDFInfo
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- CN102221212B CN102221212B CN 201110199304 CN201110199304A CN102221212B CN 102221212 B CN102221212 B CN 102221212B CN 201110199304 CN201110199304 CN 201110199304 CN 201110199304 A CN201110199304 A CN 201110199304A CN 102221212 B CN102221212 B CN 102221212B
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- combustion chamber
- heat tunnel
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- subsidiary combustion
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Abstract
The invention belongs to the technical field of garbage combustion treatment, and in particular relates to a circular combustion furnace. The circular combustion furnace comprises a foundation frame, wherein the upper side of the foundation frame is provided with a primary combustion chamber, a secondary combustion chamber, a primary heating channel for heating boiled water and steam and a secondary heating channel for heating air; the primary combustion chamber, the secondary combustion chamber, the primary heating channel and the secondary heating channel are communicated sequentially; the foundation frame is provided with a primary air inlet chamber for feeding air to a hearth of the primary combustion chamber; a feeding port is placed on the furnace wall of the primary combustion chamber; ash removing holes or ash buckets are all arranged on the lower ends of the secondary combustion chamber, the primary heating channel and the secondary heating channel; and the foundation frame is equipped with a waste channel communicated with the ash removing holes or the ash buckets. According to the invention, sufficient combustion of the garbage can be guaranteed, therefore, the phenomenon such as ash accumulation or corrosion and the like in the circular combustion furnace can be prevented; and the ash removing smoothness is also ensured by the invention so that safe, stable and efficient normal operation of the circular combustion furnace can be ensured.
Description
Technical field
The invention belongs to the incineration treatment of garbage technical field, be specifically related to a kind of circulation incinerator.
Background technology
Along with the continuous development and progress of human society, the kind of discarded object is also more and more in the municipal refuse, and the processing of municipal refuse also more and more is subjected to the attention of countries in the world.In existing garbage incineration equipment, because structure arranges unreasonable, usually making does not have sufficient air to supply with burning in the incinerator, cause incineration firing insufficient and in incinerator, leave over the slag of bulk, thereby had a strong impact on the operate as normal of incinerator, shortened the service life of incinerator.
Summary of the invention
The purpose of this invention is to provide a kind of circulation incinerator, this circulation incinerator can provide sufficient air in incinerator, fully and completely burn thereby make rubbish, and rubbish is handled up hill and dale.
For achieving the above object, the present invention has adopted following technical scheme: a kind of circulation incinerator, this circulation incinerator comprises basic framework, and the upside of described basic framework sets up successively the main chamber, the subsidiary combustion chamber that are communicated with, is used for the main heat tunnel of heating boiling water and steam and the secondary heat tunnel that is used for adding hot-air; Described basic framework is provided with to an inlet air plenum of the burner hearth air-supply of main chamber, offers charging aperture on the furnace wall of main chamber; The lower end of described subsidiary combustion chamber, main heat tunnel and secondary heat tunnel is equipped with ash-hole or ash bucket, and described basic framework is provided with the discarded object passage that is connected with ash-hole or ash bucket.
The present invention is provided with basic framework at the downside of main chamber, subsidiary combustion chamber, main heat tunnel and secondary heat tunnel, be erected in the air thereby make major and minor combustion chamber and major and minor heat tunnel all suspend, then an inlet air plenum just can blast the air of abundance in the burner hearth of main chamber, thereby makes the rubbish in the main chamber to burn fully.The present invention simultaneously is equipped with ash-hole or ash bucket in the lower end of subsidiary combustion chamber, main heat tunnel and secondary heat tunnel, then the ash content behind the incineration firing and waste gas just can be discharged in the outside of circulation incinerator by the discarded object passage that is arranged on the basic framework, thereby have guaranteed the operate as normal of incinerator effectively.
The present invention can also be able to further realization by following technical measures:
A described inlet air plenum is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth, and described furnace bottom wind separator is made up of some airducts of arranging parallel to each other, and airduct is provided with blast cap towards an end of burner hearth; The bottom of described burner hearth is provided with scum pipe, and scum pipe is provided with the slag conveyer away from the mouth of pipe lower end of burner hearth, and scum pipe is covered with cap towards the mouth of pipe place of slag conveyer.
Described furnace bottom wind separator will spread out equably from the wind that an inlet air plenum is come, thereby makes air can be fed to each corner of main chamber burner hearth sufficiently, so that the abundant burning of rubbish; Scum pipe and slag conveyer are worked in coordination then and the slag that burning produces can be discharged in time the outside at body of heater, to guarantee the steady operation of circulation incinerator; Because scum pipe is covered with cap towards the mouth of pipe place of slag conveyer, therefore deslagging work can be according to the combustion case in the main chamber burner hearth and fixed cycle operator at interval, also be that every certain interval of time is just opened the cap deslagging, after finishing, deslagging closes cap to wait for deslagging next time, the heat that the setting of cap can reduce in the main chamber burner hearth passes through the outside scattering of scum pipe, guarantees to maintain enough ignition temperatures in the main chamber burner hearth.
Further, the middle and upper part of described main chamber furnace wall is provided with two secondary air mouths, and two secondary air mouths are arranged on the both sides of main chamber furnace wall symmetrically.Then enter when burning in the main chamber by charging aperture when rubbish, the circulation incinerator sprays into secondary wind by the secondary air mouth in burner hearth, so that rubbish needed oxygen when the burning to be provided, thereby guarantees that rubbish is able to abundant burning.
The height of described main chamber, subsidiary combustion chamber, main heat tunnel and secondary heat tunnel is all adjustable, the height that also is main chamber, subsidiary combustion chamber, main heat tunnel and secondary heat tunnel can be identical, also can be inequality, with guarantee that rubbish fully burns and incineration firing after heat can be fully utilized be standard.
Described main chamber and subsidiary combustion chamber are being provided with the cocycle that is communicated with the two mouth that unrolls near place, the furnace wall on main chamber top, described subsidiary combustion chamber is positioned at the unroll furnace wall of mouthful downside of cocycle and is provided with and forces wind apparatus, subsidiary combustion chamber is provided with grey gas separating device at the downside of forcing wind apparatus, and subsidiary combustion chamber is provided with the following circulation feedback outlet that leads to main chamber on the top of close main chamber one end of grey gas separating device, and the oral area of this following circulation feedback outlet is set to the bottom towards the main chamber burner hearth; Described subsidiary combustion chamber is positioned at grey gas separating device downside and locates to be provided with the opening that leads to main heat tunnel near the furnace wall of subsidiary combustion chamber bottom.
Even described effect of the forcing wind apparatus also wind area of crossing in the subsidiary combustion chamber reduces, to improve flue gas at the flow velocity when forcing the wind apparatus place; The flue gas of this high-speed cruising produces ash immediately under the effect of grey gas separating device, gas separates, the lime-ash of the bulk that is separated in flue gas burns in the main chamber by following salty newly the entering of circulation feed back, tiny lime-ash in the flue gas then enters the lower space of subsidiary combustion chamber by grey gas separating device, this tiny lime-ash enters the discarded object passage by ash-hole or the ash bucket that is arranged on subsidiary combustion chamber, main heat tunnel and secondary heat tunnel lower end, and enters deduster by the discarded object passage and do dust removal process.
Force wind apparatus that multiple implementation is arranged, forcing wind apparatus described in the present invention is from forcing aerofoil near main chamber one side direction away from what main chamber one side from top to bottom was obliquely installed, simple in structure and force wind effective.
Preferably, described grey gas separating device is tabular and is abound with in the passage of subsidiary combustion chamber, and tabular grey gas separating device is from from top to bottom being obliquely installed away from main chamber one laterally closer main chamber one side, described grey gas separating device is abound with meshed steel plate on it, lime-ash in the flue gas is separated being conducive to, and the lime-ash of the bulk that is separated in flue gas of guiding burns by salty newly the entering in the main chamber of circulation feed back down.
Main heat tunnel can be set to one, preferably, main heat tunnel described in the present invention is divided into side by side two, and be equipped with the opening that is connected with subsidiary combustion chamber on the furnace wall, lower end of two main heat tunnels, be equipped with the opening that is connected with secondary heat tunnel on the furnace wall, upper end of two main heat tunnels.
Further, the top of described main heat tunnel is provided with steamdrum.
Be provided with in the described main heat tunnel main heat tunnel is divided into the dividing plate of several compartments along the flow of flue gas direction, so that winner's heat tunnel can be set up water screen tube, take full advantage of so that the heat of incineration firing is done.
Further, the outside of described main chamber, subsidiary combustion chamber, main heat tunnel and secondary heat tunnel all is coated with refractory material, and main chamber, subsidiary combustion chamber, main heat tunnel and secondary heat tunnel are provided with body of heater each other and isolate heat-preservation cotton, with the security that reduces heat loss and improve this circulation incinerator.
Beneficial effect of the present invention: the present invention can guarantee the abundant burning of rubbish, thereby phenomenons such as dust stratification or corrosion occur in the stove of the incinerator that prevents from circulating; The present invention has simultaneously also guaranteed the smoothness of ash discharge, thus guaranteed the circulation incinerator can be safely, stable and normally move efficiently.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the vertical view of Fig. 1.
The implication of label symbol is as follows among the figure:
An inlet air plenum 4-of 1-basic framework 2-slag conveyer 3-scum pipe
5-burner hearth 6-airduct and blast cap 7-furnace shell and flame retardant coating
Circulation feedback outlet 10-ash gas separating device under the route 9-is burned in the 8-circulation
11-secondary air mouth 12-charging aperture 13-forces wind apparatus 14-subsidiary combustion chamber
The 15-main chamber 16-cocycle mouthful 17-discarded object passage that unrolls
18-servant's hole 19-subsidiary combustion chamber and main heat tunnel ventilating opening
20-master's heat tunnel 20A-first main heat tunnel 20B-second main heat tunnel
The 21-body of heater is isolated the secondary heat tunnel of heat-preservation cotton 22-
23-master's heat tunnel and secondary heat tunnel ventilating opening 24-go up people's hole
25-steamdrum 26-dividing plate
The specific embodiment
As shown in Figure 1, a kind of circulation incinerator, this circulation incinerator comprises basic framework 1, and the upside of described basic framework 1 sets up successively the main chamber 15, the subsidiary combustion chamber 14 that are communicated with, is used for the main heat tunnel 20 of heating boiling water and steam and the secondary heat tunnel 22 that is used for adding hot-air; Described basic framework 1 is provided with to an inlet air plenum 3 of burner hearth 5 air-supplies of main chamber 15, offers charging aperture 12 on the furnace wall of main chamber 15; The lower end of described subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 is equipped with ash-hole or ash bucket, and described basic framework 1 is provided with the discarded object passage 17 that is connected with ash-hole or ash bucket.
A described inlet air plenum 3 is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth 5, and described furnace bottom wind separator is made up of some airducts of arranging parallel to each other, and airduct is provided with blast cap towards an end of burner hearth; The bottom of described burner hearth 5 is provided with scum pipe 4, and scum pipe 4 is provided with slag conveyer 2 away from the mouth of pipe lower end of burner hearth 5; And scum pipe 4 is covered with cap towards the mouth of pipe place of slag conveyer 2.
As shown in Figure 1, described airduct and complete air-supply passage of blast cap 6 common compositions.
The middle and upper part of described main chamber 15 furnace walls is provided with two secondary air mouths 11, and two secondary air mouths 11 are arranged on the both sides of main chamber 15 furnace walls symmetrically.
The height of described main chamber 15, subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 is all adjustable.
Described main chamber 15 and subsidiary combustion chamber 14 unroll mouthfuls 16 being provided with the cocycle that is communicated with the two near place, the furnace wall on main chamber 15 tops, described subsidiary combustion chamber 14 is positioned at the unroll furnace wall of mouthful 16 downsides of cocycle and is provided with and forces wind apparatus 13, subsidiary combustion chamber 14 is provided with grey gas separating device 10 at the downside of forcing wind apparatus 13, and subsidiary combustion chamber 14 is provided with the following circulation feedback outlet 9 that leads to main chamber 15 on the top of grey gas separating device 10 close main chamber 15 1 ends, and the oral area of this following circulation feedback outlet 9 is set to the bottom towards main chamber 15 burner hearths; Described subsidiary combustion chamber 14 is positioned at grey gas separating device 10 downsides and locates to be provided with the opening that leads to main heat tunnel 20 near the furnace wall of subsidiary combustion chamber 14 bottoms.
Preferably, the described wind apparatus 13 of forcing is for from forcing aerofoil near main chamber 15 1 side direction away from what main chamber 15 1 sides from top to bottom were obliquely installed.
Further, described grey gas separating device 10 is tabular and is abound with in the passage of subsidiary combustion chamber 14, and tabular grey gas separating device 10 is from from top to bottom being obliquely installed away from main chamber 15 1 laterally closer main chamber 15 1 sides, and described grey gas separating device 10 is abound with meshed steel plate on it.
Described main heat tunnel 20 is divided into side by side two as shown in Figure 2, also be the first main heat tunnel 20A and the second main heat tunnel 20B, and be equipped with the opening that is connected with subsidiary combustion chamber 14 on the furnace wall, lower end of first, second main heat tunnel 20A, 20B, be equipped with the opening that is connected with secondary heat tunnel 22 on the furnace wall, upper end of first, second main heat tunnel 20A, 20B.
As shown in Figure 1, the outside of described main chamber 15, subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 all is coated with refractory material, described refractory material also is furnace shell and flame retardant coating 7, and main chamber 15, subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel are provided with body of heater isolation heat-preservation cotton 21 each other.
As shown in Figure 1, the top of described main heat tunnel 20 is provided with steamdrum 25.
As shown in Figure 2, be provided with in the described main heat tunnel 20 main heat tunnel 20 is divided into the dividing plate 26 of several compartments along the flow of flue gas direction, to set up water screen tube.
Be described further below in conjunction with Fig. 1～2 pair course of work of the present invention:
As shown in Figure 1, when the circulation incinerator is worked, one time inlet air plenum 3 is blown in the burner hearth 5 of main chamber 15 equably by furnace bottom wind separator 3, rubbish enters in the main chamber 15 from charging aperture 12, entering rubbish in the main chamber 15 runs into the high-temperature flue gas in the burner hearth 5 and takes fire, this moment, the incinerator that circulates sprayed into secondary wind by secondary air mouth 11 in burner hearth 5, so that rubbish needed oxygen when the burning to be provided, thereby guaranteed that rubbish is able to abundant burning.
It is up that the hot flue gas that burning produces burns route 8 along the circulation shown in Fig. 1, and unroll by cocycle and mouthfuls 16 to enter in the subsidiary combustion chamber 14, the hot flue gas that enters in the subsidiary combustion chamber 14 is descending immediately, and improving its flow velocity when forcing wind apparatus 13, the flue gas of high-speed cruising produces ash immediately under the effect of grey gas separating device 10 then, gas separates, the lime-ash of the bulk that is separated in flue gas reenters burning in the main chamber 15 by following circulation feedback outlet 9, the flue gas that carries tiny lime-ash then enters the lower space of subsidiary combustion chamber 14 by grey gas separating device 10, this flue gas that carries tiny lime-ash is immediately as Fig. 1, enter in the main heat tunnel 20 by subsidiary combustion chamber and main heat tunnel ventilating opening 19 shown in the arrow in 2, also namely enter among the first main heat tunnel 20A and the second main heat tunnel 20B, and along the first main heat tunnel 20A, the up back of the second main heat tunnel 20B enters in the secondary heat tunnel 22 by main heat tunnel and secondary heat tunnel ventilating opening 23, discharges body of heater or enters downstream passage along secondary heat tunnel 22 descending backs at last.
The flue gas that carries tiny lime-ash enters discarded object passage 17 by ash-hole or the ash bucket that is arranged on subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 lower ends, and enters deduster by discarded object passage 17 and do dust removal process.
Claims (10)
1. circulation incinerator, it is characterized in that: this circulation incinerator comprises basic framework (1), and the upside of described basic framework (1) sets up successively the main chamber (15), the subsidiary combustion chamber (14) that are communicated with, is used for the main heat tunnel (20) of heating boiling water and steam and the secondary heat tunnel (22) that is used for adding hot-air; Described basic framework (1) is provided with to an inlet air plenum (3) of burner hearth (5) air-supply of main chamber (15), offers charging aperture (12) on the furnace wall of main chamber (15); The lower end of described subsidiary combustion chamber (14), main heat tunnel (20) and secondary heat tunnel (22) is equipped with ash-hole or ash bucket, and described basic framework (1) is provided with the discarded object passage (17) that is connected with ash-hole or ash bucket.
2. circulation incinerator according to claim 1, it is characterized in that: a described inlet air plenum (3) is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth (5), described furnace bottom wind separator is made up of some airducts of arranging parallel to each other, and airduct is provided with blast cap towards an end of burner hearth; The bottom of described burner hearth (5) is provided with scum pipe (4), and scum pipe (4) is provided with slag conveyer (2) away from the mouth of pipe lower end of burner hearth (5), and scum pipe (4) is covered with cap towards the mouth of pipe place of slag conveyer (2).
3. circulation incinerator according to claim 1, it is characterized in that: the middle and upper part of described main chamber (15) furnace wall is provided with two secondary air mouths (11), and two secondary air mouths (11) are arranged on the both sides of main chamber (15) furnace wall symmetrically.
4. circulation incinerator according to claim 1, it is characterized in that: the height of described main chamber (15), subsidiary combustion chamber (14), main heat tunnel (20) and secondary heat tunnel (22) is all adjustable.
5. circulation incinerator according to claim 1, it is characterized in that: described main chamber (15) and subsidiary combustion chamber (14) are being provided with the cocycle that is communicated with the two unroll mouthful (16) near place, the furnace wall on main chamber (15) top, described subsidiary combustion chamber (14) is positioned at the unroll furnace wall of mouthful (16) downside of cocycle and is provided with and forces wind apparatus (13), subsidiary combustion chamber (14) is provided with grey gas separating device (10) at the downside of forcing wind apparatus (13), and subsidiary combustion chamber (14) is provided with the following circulation feedback outlet (9) that leads to main chamber (15) on the top of close main chamber (15) one ends of grey gas separating device (10), and the oral area of this following circulation feedback outlet (9) is set to the bottom towards main chamber burner hearth (5); Described subsidiary combustion chamber (14) is positioned at grey gas separating device (10) downside and locates to be provided with the opening that leads to main heat tunnel (20) near the furnace wall of subsidiary combustion chamber (14) bottom.
6. circulation incinerator according to claim 5 is characterized in that: the described wind apparatus (13) of forcing is for from forcing aerofoil near main chamber (15) one side direction away from what main chamber (15) one sides from top to bottom were obliquely installed.
7. circulation incinerator according to claim 6, it is characterized in that: described grey gas separating device (10) is tabular and is abound with in the passage of subsidiary combustion chamber (14), and tabular grey gas separating device (10) is from from top to bottom being obliquely installed away from main chamber (15) one laterally closer main chamber (15) one sides; Described grey gas separating device (10) is abound with meshed steel plate on it.
8. according to each described circulation incinerator of claim 1～7, it is characterized in that: described main heat tunnel (20) is divided into side by side two, and be equipped with the opening that is connected with subsidiary combustion chamber (14) on the furnace wall, lower end of two main heat tunnels (20), be equipped with the opening that is connected with secondary heat tunnel (22) on the furnace wall, upper end of two main heat tunnels (20).
9. according to each described circulation incinerator of claim 1～7, it is characterized in that: the outside of described main chamber (15), subsidiary combustion chamber (14), main heat tunnel (20) and secondary heat tunnel (22) all is coated with refractory material, and main chamber (15), subsidiary combustion chamber (14), main heat tunnel (20) and secondary heat tunnel are provided with body of heater isolation heat-preservation cotton (21) each other.
10. according to each described circulation incinerator of claim 1～7, it is characterized in that: the top of described main heat tunnel (20) is provided with steamdrum (25); Be provided with the dividing plate (26) that main heat tunnel (20) is divided into several compartments along the flow of flue gas direction in the described main heat tunnel (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199304 CN102221212B (en) | 2011-07-15 | 2011-07-15 | Circular combustion furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110199304 CN102221212B (en) | 2011-07-15 | 2011-07-15 | Circular combustion furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102221212A CN102221212A (en) | 2011-10-19 |
| CN102221212B true CN102221212B (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110199304 Expired - Fee Related CN102221212B (en) | 2011-07-15 | 2011-07-15 | Circular combustion furnace |
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| Country | Link |
|---|---|
| CN (1) | CN102221212B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588976A (en) * | 2012-02-28 | 2012-07-18 | 崔勇 | Garbage pyrolysis disposing device |
| CN107747868B (en) * | 2017-08-25 | 2024-03-19 | 苏州南北深科智能科技有限公司 | Combustion tower of solar silicon wafer sintering furnace |
| CN111288470B (en) * | 2020-03-26 | 2021-09-07 | 钟康亮 | Heat-resistant high-temperature waste gas circulating, blending, burning and purifying furnace |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913097A (en) * | 1988-04-28 | 1990-04-03 | Deutsche Babcock Werke Aktiengesellschaft | Steam generator that burns brown coal with cinders that vary in composition |
| CN101963350A (en) * | 2010-10-12 | 2011-02-02 | 王森 | Material separator for circulating fluidized bed boiler |
| CN202253667U (en) * | 2011-07-15 | 2012-05-30 | 李登平 | Circulating combustion furnace |
-
2011
- 2011-07-15 CN CN 201110199304 patent/CN102221212B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4913097A (en) * | 1988-04-28 | 1990-04-03 | Deutsche Babcock Werke Aktiengesellschaft | Steam generator that burns brown coal with cinders that vary in composition |
| CN101963350A (en) * | 2010-10-12 | 2011-02-02 | 王森 | Material separator for circulating fluidized bed boiler |
| CN202253667U (en) * | 2011-07-15 | 2012-05-30 | 李登平 | Circulating combustion furnace |
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| Publication number | Publication date |
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| CN102221212A (en) | 2011-10-19 |
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