CN202253667U - Circulating combustion furnace - Google Patents

Circulating combustion furnace Download PDF

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Publication number
CN202253667U
CN202253667U CN2011202514001U CN201120251400U CN202253667U CN 202253667 U CN202253667 U CN 202253667U CN 2011202514001 U CN2011202514001 U CN 2011202514001U CN 201120251400 U CN201120251400 U CN 201120251400U CN 202253667 U CN202253667 U CN 202253667U
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CN
China
Prior art keywords
main
heat tunnel
combustion chamber
chamber
subsidiary combustion
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CN2011202514001U
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Chinese (zh)
Inventor
李登平
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李登平
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Priority to CN2011202514001U priority Critical patent/CN202253667U/en
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Abstract

The utility model belongs to the technical field of combustion treatment of garbage, specifically to a circulating combustion furnace. The circulating combustion furnace comprises a base frame, wherein a main combustion chamber, a secondary combustion chamber, a main heating channel for heating water and steam and a secondary heating channel for heating air orderly communicated with each other are mounted on the upper side of the base frame; a primary air feeding chamber for feeding air into a hearth of the main combustion chamber is formed on the base frame and a material feeding hole is formed on the furnace wall of the main combustion chamber; and the lower ends of the secondary combustion chamber, the main heating channel and the secondary heating channel are all provided with ash discharge holes or ash hoppers, and a waste channel communicating with the ash discharge holes or the ash hoppers is formed on the base frame. According to the utility model, the garbage can be ensured to be fully combusted so that the ash accumulation or corrosion can be avoided in the circulating combustion furnace; and besides, ash can be ensured to be swimmingly discharged so that the circulating combustion furnace can be ensured to safely, stably, efficiently and normally operate.

Description

The circulation incinerator
Technical field
The utility model belongs to the incineration treatment of garbage technical field, is 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 receives the attention of countries in the world.In existing garbage incineration equipment; Because structure is provided with 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 the utility model provides a kind of circulation incinerator, and this circulation incinerator can provide sufficient air in incinerator, thereby makes rubbish fully and completely burn, and rubbish is handled up hill and dale.
For realizing above-mentioned purpose; The utility model has adopted following technical scheme: a kind of circulation incinerator; This circulation incinerator comprises basic framework, and the upside of said basic framework sets up successively the main chamber, the subsidiary combustion chamber that are communicated with, be used to the secondary heat tunnel that heats the main heat tunnel of boiling water and steam and be used to add hot-air; Said basic framework is provided with an inlet air plenum to the burner hearth air-supply of main chamber, offers charging aperture on the furnace wall of main chamber; The lower end of said subsidiary combustion chamber, main heat tunnel and secondary heat tunnel is equipped with ash-hole or ash bucket, and said basic framework is provided with the discarded object passage that is connected with ash-hole or ash bucket.
The utility model 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 utility model is equipped with ash-hole or ash bucket in the lower end of subsidiary combustion chamber, main heat tunnel and secondary heat tunnel simultaneously; Then ash content behind the incineration firing and waste gas just can be discharged in the outside of circulation incinerator through the discarded object passage that is arranged on the basic framework, thereby have guaranteed the operate as normal of incinerator effectively.
The utility model can also be able to further realization through following technical measures:
A said inlet air plenum is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth, and said furnace bottom wind separator is made up of some parallel airducts of arranging, and airduct is provided with blast cap towards an end of burner hearth; The bottom of said 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.
Said furnace bottom wind separator will spread out from the wind that an inlet air plenum is come equably, 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 and then can the slag that burning produces be discharged the outside at body of heater in time, 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; Close cap after deslagging finishes 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 said 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 get into through charging aperture when burning in the main chamber when rubbish, the circulation incinerator sprays into secondary wind through 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 said 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 rubbish fully burn with incineration firing after heat can be fully utilized be standard.
Said 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; Said 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 at grey gas separating device near the top of main chamber one end, and this down the oral area of circulation feedback outlet be set to bottom towards the main chamber burner hearth; Said 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 said 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 in flue gas, is separated is through burning in the salty new entering main chamber of circulation feed back down; Tiny lime-ash in the flue gas then gets into the lower space of subsidiary combustion chamber through grey gas separating device; This tiny lime-ash gets into the discarded object passage through ash-hole or the ash bucket that is arranged on subsidiary combustion chamber, main heat tunnel and secondary heat tunnel lower end, and does dust removal process through discarded object passage entering deduster.
Force wind apparatus that multiple implementation is arranged, forcing wind apparatus described in the utility model 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; Said 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; Said grey gas separating device is for being abound with meshed steel plate on it, the lime-ash in the flue gas is separated helping, and the lime-ash of the bulk that in flue gas, is separated of guiding is through burning in the salty new entering main chamber of circulation feed back down.
Main heat tunnel can be set to one; Preferably; Main heat tunnel described in the utility model 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 said main heat tunnel is provided with steamdrum.
Be provided with in the said main heat tunnel main heat tunnel is divided into the dividing plate of several compartments along the flow of flue gas direction,, make full use of so that the heat of incineration firing is done so that winner's heat tunnel can be set up water screen tube.
Further; The outside of said 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, to reduce heat loss and the security that improves this circulation incinerator.
The beneficial effect of the utility model: the utility model can be guaranteed the abundant burning of rubbish, thereby phenomenons such as dust stratification or corrosion occur in the stove of the incinerator that prevents to circulate; Simultaneously the utility model has also been 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 the structural representation of the utility model;
Fig. 2 is the vertical view of Fig. 1.
The implication of label symbol is following 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 said basic framework 1 sets up successively the main chamber 15, the subsidiary combustion chamber 14 that are communicated with, be used to the secondary heat tunnel 22 that heats the main heat tunnel 20 of boiling water and steam and be used to add hot-air; Said basic framework 1 is provided with an inlet air plenum 3 to 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 said subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 is equipped with ash-hole or ash bucket, and said basic framework 1 is provided with the discarded object passage 17 that is connected with ash-hole or ash bucket.
A said inlet air plenum 3 is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth 5, and said furnace bottom wind separator is made up of some parallel airducts of arranging, and airduct is provided with blast cap towards an end of burner hearth; The bottom of said 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, said airduct and complete air-supply passage of blast cap 6 common compositions.
The middle and upper part of said 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 said main chamber 15, subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 is all adjustable.
Said main chamber 15 and subsidiary combustion chamber 14 are provided with the cocycle that is communicated with the two and unroll mouthfuls 16 at the place, furnace wall near main chamber 15 tops; Said 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 at grey gas separating device 10 near the top of main chamber 15 1 ends, and this down the oral area of circulation feedback outlet 9 be set to bottom towards main chamber 15 burner hearths; Said 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 said 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; Said 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 said grey gas separating device 10 is abound with meshed steel plate on it.
Said main heat tunnel 20 as shown in Figure 2 is divided into side by side two; 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 said main chamber 15, subsidiary combustion chamber 14, main heat tunnel 20 and secondary heat tunnel 22 all is coated with refractory material; Said 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 said main heat tunnel 20 is provided with steamdrum 25.
As shown in Figure 2, be provided with in the said 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.
The course of work below in conjunction with Fig. 1~2 pair the utility model further specifies:
As shown in Figure 1; When the circulation incinerator was worked, an inlet air plenum 3 was through the air-supply equably in the burner hearth 5 of main chamber 15 of furnace bottom wind separator 3, and rubbish gets in the main chamber 15 from charging aperture 12; Rubbish in the entering main chamber 15 run into the high-temperature flue gas in the burner hearth 5 and take fire; This moment, the incinerator that circulates sprayed into secondary wind through 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 through cocycle and mouthfuls 16 to get in the subsidiary combustion chamber 14; The hot flue gas that gets 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 in flue gas, is separated gets into burning in the main chamber 15 again through following circulation feedback outlet 9; The flue gas that carries tiny lime-ash then gets into the lower space of subsidiary combustion chamber 14 through grey gas separating device 10, this flue gas that carries tiny lime-ash gets in the main heat tunnel 20 through subsidiary combustion chamber and main heat tunnel ventilating opening 19 shown in the arrow among Fig. 1,2 immediately, also promptly gets among the first main heat tunnel 20A and the second main heat tunnel 20B; And get in the secondary heat tunnel 22 through main heat tunnel and secondary heat tunnel ventilating opening 23 along the up back of the first main heat tunnel 20A, the second main heat tunnel 20B, discharge bodies of heater or entering downstream passage along secondary heat tunnel 22 descending backs at last.
The flue gas that carries tiny lime-ash gets into discarded object passage 17 through 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 does dust removal process through discarded object passage 17 entering dedusters.

Claims (10)

1. circulation incinerator; It is characterized in that: this circulation incinerator comprises basic framework (1), and the upside of said basic framework (1) sets up successively the main chamber (15), the subsidiary combustion chamber (14) that are communicated with, be used to the secondary heat tunnel (22) that heats the main heat tunnel (20) of boiling water and steam and be used to add hot-air; Said basic framework (1) is provided with the inlet air plenum (3) to 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 said subsidiary combustion chamber (14), main heat tunnel (20) and secondary heat tunnel (22) is equipped with ash-hole or ash bucket, and said 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 said inlet air plenum (3) is provided with furnace bottom wind separator towards the air outlet place of main chamber burner hearth (5); Said furnace bottom wind separator is made up of some parallel airducts of arranging, and airduct is provided with blast cap towards an end of burner hearth; The bottom of said 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 is characterized in that: the middle and upper part of said 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 is characterized in that: the height of said 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: said 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; Said 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) at grey gas separating device (10) near the top of main chamber (15) one ends, and this down the oral area of circulation feedback outlet (9) be set to bottom towards main chamber burner hearth (5); Said 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 said 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: said 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; Said 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: said 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 said 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 said 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 said main heat tunnel (20).
CN2011202514001U 2011-07-15 2011-07-15 Circulating combustion furnace Withdrawn - After Issue CN202253667U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202514001U CN202253667U (en) 2011-07-15 2011-07-15 Circulating combustion furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202514001U CN202253667U (en) 2011-07-15 2011-07-15 Circulating combustion furnace

Publications (1)

Publication Number Publication Date
CN202253667U true CN202253667U (en) 2012-05-30

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202514001U Withdrawn - After Issue CN202253667U (en) 2011-07-15 2011-07-15 Circulating combustion furnace

Country Status (1)

Country Link
CN (1) CN202253667U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221212A (en) * 2011-07-15 2011-10-19 李登平 Circular combustion furnace
CN104764022A (en) * 2015-02-16 2015-07-08 彭承襟 Swing-incineration-bed and multi-incineration-chamber household garbage incinerator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102221212A (en) * 2011-07-15 2011-10-19 李登平 Circular combustion furnace
CN102221212B (en) * 2011-07-15 2013-07-10 李登平 Circular combustion furnace
CN104764022A (en) * 2015-02-16 2015-07-08 彭承襟 Swing-incineration-bed and multi-incineration-chamber household garbage incinerator

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C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20120530

Effective date of abandoning: 20130710

RGAV Abandon patent right to avoid regrant