CN101101122A - Combined type fire grate incinerator primary air feeding device - Google Patents
Combined type fire grate incinerator primary air feeding device Download PDFInfo
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- CN101101122A CN101101122A CNA2007100925093A CN200710092509A CN101101122A CN 101101122 A CN101101122 A CN 101101122A CN A2007100925093 A CNA2007100925093 A CN A2007100925093A CN 200710092509 A CN200710092509 A CN 200710092509A CN 101101122 A CN101101122 A CN 101101122A
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- fire grate
- segment
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- dryer section
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Abstract
The invention discloses a cooling ventilation device of the fire grate piece in the compound expression fire grate system, all fire grate has interaction overlap to become the slope fire exhaust, the air outlets (26)have established in the moving grate piece (14, 16, 18) and the fixed fire grate piece (13, 15, 19), the fire grate system has divided into dry section (A), hot region (B), burn cinders section (C), the height fall exists between each section, the unaided once-wind chamber (6, 9, 12) has separately established underneath of the dry section (A), hot region (B), burn cinders section (C). The invention favors the trash combustion of the stove in the turbulent state. Fire grate piece has cooled to even, the ash dregs is not easy to stop up the gusty area, can penetrate the close trash material level with high moisture content, the trash has short drying time, realizes trash material level evenly, stable, full dry and combustion.
Description
Technical field
The invention belongs to the fire grate segment cooling and the ventilation unit of the critical component incineration furnace grate system that is used for the solid waste incineration processing.Particularly relate to the combined type fire grate incinerator primary air feeding device of the incineration furnace grate system of domestic waste.
Background technology
The most important parts of incinerator are the incinerator heat-extraction systems.Three steps are carried out in waste incineration usually, i.e. " drying ", " burning " and finally change into " slag ".The incinerator heat-extraction system is responsible for the interior rubbish of stove and is transported, and raising simultaneously and Air mixing and disturbance degree improve efficiency of combustion.
Exist polytype incineration furnace grate system to come out especially so-called reciprocating type incinerator heat-extraction system now on the market.The fire grate segment of reciprocal grate form planning is arranged overlaps as roof sheet tile, forms the supporter of incineration firing.Movable furnace grate plate that can seesaw and fixed grate film interleaved, its relative motion causes that rubbish travels forward.On reciprocating type promotion fire grate, waste layer is by continuous upset and stirring consumingly, makes waste layer loose repeatedly and rearrange, and increases and the contacting of air, and is convenient to burning cmpletely.But because the residing work under bad environment of fire grate segment must be considered the cooling channel problem.At present, can not be according to drying garbage, combustion case in the incinerator, in time regulate wind wind-warm syndrome of each section air compartment, blast, flow of each row of incinerator, can not guarantee when the bigger rubbish of fluctuations such as burning disposal composition, calorific value, moisture content, to satisfy every index of incineration treatment of garbage.Whole fire grate can not constantly be discharged the air port with lime-ash simultaneously, and lime-ash stops up the air port easily.Air compartment is carried air and wind to fire grate leading portion, stage casing, back segment, there are wind-warm syndrome, wind-force deficiency, the fire grate segment inhomogeneous cooling is even, lime-ash stops up the air port easily, be difficult to penetrate moisture height, the rubbish bed of material closely, the drying time of rubbish is long, can't realize even, stable, dry, the burning fully of the rubbish bed of material.
Summary of the invention
The purpose of this invention is to provide a kind of combined type fire grate incinerator primary air feeding device, solve inhomogeneous, the inadequate problem of burning of rubbish stirring that rubbish causes because of wind-warm syndrome, wind-force deficiency in drying, burning process.
Concrete scheme of the present invention is: a kind of combined type fire grate incinerator primary air feeding device, by movable furnace grate plate, the alternate overlapping fire grate that is linked to be of fixed grate film with gradient, described movable furnace grate plate and fixed grate film are provided with air outlet, its key is: described fire grate is divided into dryer section, burning zone, burning segment, there is height fall between every section, wherein dryer section is a peak, and burning segment is a minimum point, and burning zone is between dryer section and burning segment; Described dryer section links to each other by the transition fire grate with burning zone, and described burning zone is connected through locking mechanism with burning segment; Be respectively arranged with independently wind air compartment below described dryer section, burning zone, burning segment, this wind air compartment communicates with air outlet on the described fire grate segment, and a described wind air compartment is up big and down small tubaeform.
The fire grate of described dryer section and burning zone and burning segment is separated into 4 row by intermediate beam, promptly surround 4 sides of air compartment upper end by the intermediate beam of the head and the tail crossbeam of each section and both sides, a described wind air compartment is the terrace with edge that is formed by steel plate welding, and 4 sides on this terrace with edge and crossbeam are with the corresponding welding in 4 sides that intermediate beam surrounded; The lower end of this wind air compartment is provided with blast pipe; Described fixed grate, moving grate form the end face of air compartment.
Air outlet on the fire grate segment of described burning zone is arranged on the boss, and described air outlet is outer little interior big bellmouth, and the center line of this bellmouth and the angle of horizontal water are α.
Air outlet on the fire grate segment of described dryer section and burning segment is arranged on the front end face of fire grate segment, and described air outlet is outer little interior big bellmouth, and wherein the angle of the center line of the bellmouth of dryer section and horizontal water is β; The center line of the bellmouth of burning segment and the angle of horizontal water are γ.
The air feed process: the wind (air) with certain wind-warm syndrome, blast enters from the bottom of air compartment, be full of whole air compartment, from the primary air nozzle ejection of fixed grate, moving grate, the rubbish on each section fire grate of each row of incinerator is carried out drying then, and provide burning required air.Reach the cool furnace screening; Mix, stir near the rubbish the wind air port one time; Under while wind and the acting in conjunction of secondary wind, make the interior rubbish of incinerator be in best turbulent combustion state.
The adjusting of wind wind-warm syndrome, blast, flow in the such scheme is regulated by mixing, stirring, drying, the combustion case of each air compartment fire grate top rubbish.Wind-warm syndrome, blast, flow at same air compartment are identical.Therefore, the air compartment of each each section that is listed as of incinerator can also be segmented (becoming 2 air compartments as 1), adapt to the bigger rubbish of fluctuation such as burning disposal composition, calorific value, moisture content more, make that finally the interior drying garbage of whole incinerator is abundant, burning is complete, improve efficiency of combustion, reduce hot burn decrement rate.
Clinoplain and horizontal angle that described dryer section fire grate segment head line forms are 0～18 °, the clinoplain that described burning zone fire grate segment head line forms and the angle of horizontal plane are 22 °～28 °, and it is parallel with horizontal plane that described burning segment fire grate segment head connects face formation plane.
Fire grate segment head on described dryer section and the burning segment forms forwards formula fire grate all towards fire grate low spot direction.The fire grate segment head of described burning zone forms the inverse-push fire grate all towards height point direction.
The present invention compared with prior art has following advantage:
1. the fire grate segment end face is thinner, and fire grate resembles the lid that covers on wind air compartment, and the wind in wind air compartment constantly flows below fire grate segment, and the air outlet from fire grate segment is discharged the cooling that fire grate segment end face and bottom surface are obtained.
2. a tubaeform wind air compartment of burning zone, burning segment has realized lime-ash is constantly discharged the effect in air port, makes lime-ash be difficult for stopping up the air port.
3. a tubaeform wind air compartment of dryer section has been realized the acceleration to a wind, helps penetrating moisture height, the rubbish bed of material closely, to shorten the drying time of rubbish.
4. tubaeform wind air compartment design has been satisfied furnace gas and has been flowed to requirement, helps the interior incineration firing of stove and is in turbulent condition.
5. according to the position difference of the residing dryer section of fire grate segment, burning zone, after-flame section, an independently tubaeform separately wind air compartment is set, has satisfied even, stable, dry, the burning fully of the rubbish bed of material.
6. the inclination angle design of the air outlet of the last wind of fire grate segment has been satisfied furnace gas and has been flowed to requirement, helps that incineration firing is in turbulent condition in the stove.The quantity of a wind outlet has satisfied even, stable, dry, the burning fully of the rubbish bed of material.In addition, according to the position difference of the residing dryer section of fire grate segment, burning zone, after-flame section, the version of a wind outlet, physical dimension, quantity, inclination angle etc. are slightly different.
7. can be according to drying garbage, combustion case in the incinerator, in time regulate wind wind-warm syndrome of each section air compartment, blast, the flow of each row of incinerator, guarantee when the bigger rubbish of fluctuation such as burning disposal composition, calorific value, moisture content, to satisfy every index of incineration treatment of garbage.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present invention;
Fig. 2 is the partial enlarged drawing of dryer section 1 fire grate segment among Fig. 1;
Fig. 3 is the partial enlarged drawing of Fig. 2;
Fig. 4 is the A-A cutaway view of Fig. 3;
Fig. 5 is the partial enlarged drawing of burning zone 2 fire grate segments among Fig. 1;
Fig. 6 is the partial enlarged drawing of Fig. 5;
Fig. 7 is the partial enlarged drawing of burning segment 3 fire grate segments;
Fig. 8 is the partial enlarged drawing of Fig. 7;
Fig. 9 is the A-A cutaway view of Fig. 1;
Figure 10 is that the B of Fig. 1 is to rotational structure schematic diagram (removing fire grate and framework).
The specific embodiment
Embodiment
Please see Figure 1, Fig. 5, Fig. 7, a kind of combined type fire grate incinerator primary air feeding device, by movable furnace grate plate 14,16,18 and fixed grate film 13,15, the 19 alternate overlapping fire grates that are linked to be with gradient, described movable furnace grate plate 14,16,18 and fixed grate film 13,15,19 are provided with air outlet 26, movable furnace grate plate 14,16,18 draw-in grooves by afterbody are connected on the crossbeam 21, these crossbeam 21 two ends are overlapped on the pull bar 4, and fixed grate film 13,15,19 draw-in grooves by afterbody are connected on the vertical columns 5; Described fire grate is divided into dryer section A, burning zone B, burning segment C, has height fall between every section, and wherein dryer section A is a peak, and burning segment C is a minimum point, and burning zone B is between dryer section A and burning segment C; Described dryer section A links to each other by linkage section fire grate 17 with burning zone B, and the front end of this linkage section fire grate 17 links to each other with dryer section A, and the fire grate segment at dryer section end overlaps on the described linkage section fire grate 17 preceding fire grate segments.The rear end of this linkage section fire grate 17 is connected with burning zone B, and first fire grate segment of burning zone overlays on the linkage section fire grate 17 back fire grate segments; Described burning zone B is connected through hold-down mechanism 20 with burning segment C, and this upper end that compresses fire grate segment 20 rides on the fire grate segment of burning zone B, and the lower end rides on the fire grate segment of burning segment C.Below described dryer section A, burning zone B, burning segment C, be respectively arranged with independently wind air compartment 6,9,12, this wind air compartment 6,9,12 communicates with air outlet 26 on the pairing fire grate segment, and a described wind air compartment 6,9,12 is up big and down small tubaeform.
By Fig. 1, Fig. 9, Figure 10 as can be known: the fire grate of described dryer section A and burning zone B and burning segment C is separated into 4 row by intermediate beam 22, promptly surround 4 sides of air compartment upper end by the intermediate beam 22 of the head and the tail crossbeam 21 of each section and both sides, a described wind air compartment the 6,9, the 12nd, by the terrace with edge that steel plate welding forms, 4 sides on this terrace with edge and crossbeam are with the corresponding welding in 4 sides that intermediate beam surrounded; The lower end of this wind air compartment 6,9,12 is provided with blast pipe; Described fixed grate, moving grate form the end face of air compartment.This shows, have 12 wind air compartments in the present embodiment, each section has 4 row, has 3 sections, as dryer section, burning zone, burning segment.
As Fig. 5, shown in Figure 6: as described in air outlet 26 on the fire grate segment of burning zone B be arranged on the boss 25, described air outlet be outer little in big bellmouth, the center line of this bellmouth and the angle of horizontal water are-5～10 °.
As Fig. 2, shown in Figure 3: as described in air outlet 26 on the fire grate segment of dryer section A be arranged on the front end face of fire grate segment, described air outlet be outer little in big bellmouth, the center line of the bellmouth of dryer section and the angle of horizontal water are 5～15 °;
As Fig. 7, shown in Figure 8: the air outlet 26 on the fire grate segment of burning segment C is arranged on the front end face of fire grate segment, described air outlet be outer little in big bellmouth, the center line of the bellmouth of burning segment and the angle of horizontal water are 10～15 °.
The clinoplain that the described dryer section A fire grate segment of present embodiment head line forms and the angle of horizontal plane are 0～18 °, the clinoplain that described burning zone B fire grate segment head line forms and the angle of horizontal plane are 22 °～28 °, and it is parallel with horizontal plane that described burning segment C fire grate segment head line forms the plane.
As shown in Figure 1, the fire grate segment head on described dryer section A and the burning segment C makes the direction of motion of movable furnace grate plate consistent with the direction that rubbish advances in stove all towards fire grate low spot direction, constitutes forwards formula fire grate.The fire grate segment head of described burning zone B is all towards the high point of fire grate direction, and the descending direction of the movable furnace grate plate direction of motion and rubbish is opposite, formation inclination inverse-push fire grate.Each section is equipped with a driving mechanism 2,7,10 among dryer section A, burning zone B and the burning segment C, described driving mechanism 2,7,10 is an oil cylinder, the piston rod of this oil cylinder is by connecting rod 3,8,11 and corresponding pull bar connection, the tail end of pull bar is provided with guide post, and described connecting rod and guide post difference kink are in bearing block 1.The independently wind air compartment 6,9,12 that is provided with by each section of fire grate system below during waste incineration is to its air-supply cooling.
Claims (5)
1, a kind of combined type fire grate incinerator primary air feeding device, by movable furnace grate plate (14,16,18), fixed grate film (13,15,19) the alternate overlapping fire grate that is linked to be with gradient, at described movable furnace grate plate (14,16,18) and fixed grate film (13,15,19) be provided with air outlet (26), it is characterized in that: described fire grate is divided into dryer section (A), burning zone (B), burning segment (C), there is height fall between every section, wherein dryer section (A) is a peak, burning segment (C) is a minimum point, and burning zone (B) is positioned between dryer section (A) and the burning segment (C); Described dryer section (A) links to each other by linkage section fire grate (17) with burning zone (B), and described burning zone (B) is connected through hold-down mechanism (20) with burning segment (C); Be respectively arranged with an independently wind air compartment (6,9,12) in the below of described dryer section (A), burning zone (B), burning segment (C), this wind air compartment (6,9,12) communicates with air outlet (26) on the pairing fire grate segment, and a described wind air compartment (6,9,12) is up big and down small tubaeform; The fire grate of described dryer section (A) and burning zone (B) and burning segment (C) is separated into 4 row by intermediate beam (22), promptly surround 4 sides of air compartment upper end by the intermediate beam (22) of the head and the tail crossbeam (21) of each section and both sides, a described wind air compartment (6,9,12) is the terrace with edge that is formed by steel plate welding, and 4 sides on this terrace with edge and crossbeam are with the corresponding welding in 4 sides that intermediate beam surrounded; The lower end of this wind air compartment (6,9,12) is provided with blast pipe; Described fixed grate, moving grate form the end face of air compartment.
2, combined type fire grate incinerator primary air feeding device according to claim 1, it is characterized in that: the air outlet (26) on the fire grate segment of described burning zone (B) is arranged on the boss (25), described air outlet is outer little interior big bellmouth, and the center line of this bellmouth and the angle of horizontal water are α.
3, combined type fire grate incinerator primary air feeding device according to claim 1, it is characterized in that: the air outlet (26) on the fire grate segment of described dryer section (A) and burning segment (C) is arranged on the front end face of fire grate segment, described air outlet is outer little interior big bellmouth, and wherein the angle of the center line of the bellmouth of dryer section and horizontal water is β; The center line of the bellmouth of burning segment and the angle of horizontal water are γ.
4, combined type fire grate incinerator primary air feeding device according to claim 1, it is characterized in that: the clinoplain that described dryer section (A) fire grate segment head line forms and the angle of horizontal plane are 0～18 °, the clinoplain that described burning zone (B) fire grate segment head line forms and the angle of horizontal plane are 22 °～28 °, and it is parallel with horizontal plane that described burning segment (C) fire grate segment head line forms the plane.
5, combined type fire grate incinerator primary air feeding device according to claim 4, it is characterized in that: the fire grate segment head on described dryer section (A) and the burning segment (C) is all towards fire grate low spot direction, and the fire grate segment head of described burning zone (B) is all towards the high point of fire grate direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710092509 CN101101122B (en) | 2007-08-01 | 2007-08-01 | Combined type fire grate incinerator primary air feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710092509 CN101101122B (en) | 2007-08-01 | 2007-08-01 | Combined type fire grate incinerator primary air feeding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101101122A true CN101101122A (en) | 2008-01-09 |
| CN101101122B CN101101122B (en) | 2010-10-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710092509 Expired - Fee Related CN101101122B (en) | 2007-08-01 | 2007-08-01 | Combined type fire grate incinerator primary air feeding device |
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| CN (1) | CN101101122B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929680A (en) * | 2010-09-01 | 2010-12-29 | 重庆科技学院 | Fire grate of incinerator with laterally arrayed fins |
| CN105910120A (en) * | 2016-04-29 | 2016-08-31 | 邢献军 | Composite fire grate |
| CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
| CN109681890A (en) * | 2019-02-26 | 2019-04-26 | 江苏华本环境科技有限公司 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
| CN110542093A (en) * | 2019-09-18 | 2019-12-06 | 广西高远环境工程有限公司 | Energy-saving household garbage flash evaporation mineralization processor |
| CN111133251A (en) * | 2018-08-30 | 2020-05-08 | 三菱重工环境·化学工程株式会社 | Mechanical grate furnace |
-
2007
- 2007-08-01 CN CN 200710092509 patent/CN101101122B/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929680A (en) * | 2010-09-01 | 2010-12-29 | 重庆科技学院 | Fire grate of incinerator with laterally arrayed fins |
| CN105910120A (en) * | 2016-04-29 | 2016-08-31 | 邢献军 | Composite fire grate |
| CN107893999A (en) * | 2017-12-14 | 2018-04-10 | 上海康恒环境股份有限公司 | A kind of waste incinerator water cooling drop wall device |
| CN107893999B (en) * | 2017-12-14 | 2024-05-03 | 上海康恒环境股份有限公司 | Water-cooling drop wall device of garbage incinerator |
| CN111133251A (en) * | 2018-08-30 | 2020-05-08 | 三菱重工环境·化学工程株式会社 | Mechanical grate furnace |
| CN109681890A (en) * | 2019-02-26 | 2019-04-26 | 江苏华本环境科技有限公司 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
| CN110542093A (en) * | 2019-09-18 | 2019-12-06 | 广西高远环境工程有限公司 | Energy-saving household garbage flash evaporation mineralization processor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101101122B (en) | 2010-10-13 |
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Granted publication date: 20101013 Termination date: 20210801 |