CN108758640A - A kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier - Google Patents
A kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier Download PDFInfo
- Publication number
- CN108758640A CN108758640A CN201810676919.0A CN201810676919A CN108758640A CN 108758640 A CN108758640 A CN 108758640A CN 201810676919 A CN201810676919 A CN 201810676919A CN 108758640 A CN108758640 A CN 108758640A
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- China
- Prior art keywords
- burner hearth
- inverted
- shaped
- waste incinerator
- rubbish
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/30—Pyrolysing
- F23G2201/302—Treating pyrosolids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/10—Combustion in two or more stages
- F23G2202/103—Combustion in two or more stages in separate chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier, material flow：In the preceding half period of each work period, air blower → 2 → 4A → 1A → 10A → 3A → 9 → 3B → 10B → 1B → 4B → 2 → air-introduced machine.Energy storage bed can be new air preheat to 600 DEG C or more.Inverted U-shaped burner hearth (3) is a burner hearth for having inverted U-shaped runner, also known as inverted U-shaped fluid bed, it is gasification combustion reactor, it is with burner hearth dividing wall (7) placed in the middle and fire resisting for split, it is divided into symmetrical left and right two rooms (3A/B), the lower part of this two Room is equipped with the loudspeaker spout of venturi-shaped, plays a part of constriction runner and improves gas velocity.Enter stove material and would be at fluidized state under suitable wind speed, be the fluidized bed combustion section that a high temperature gas flow is promoted, rubbish is fully burnt about 1400 degree.The inverted U-shaped burner hearth waste incinerator of heat accumulating type is gained the name because there is this inverted U-shaped burner hearth.
Description
Technical field：
The present invention should belong to combustion enginnering field.
Background technology：
The flame kernel temperature of the waste incinerator of active service only has about 800 DEG C, moreover, on burner hearth cross section there is also
The marginal zone of part more low temperature, the type of furnace of these active services is not enough to decompose bioxin completely, the present invention aiming at this problem and
It is born.
Invention content：
On the basis of heat accumulating type high-temperature air burning mode, by combining a kind of inverted U-shaped burner hearth, a kind of burning is constituted
Stove or a kind of gasification furnace, this incinerator for waste (such as rubbish) burn, and as gasification furnace when, then be applied to
Gasify various carbonaceous materials.Operation temperature in its inverted U-shaped burner hearth is up to about 1400 DEG C, and ash is in and melts state, I
Target is that incineration firing is allowed to decompose more complete, achievees the effect that cleaner, more efficient, accomplishes no dioxin emission.This technology
It can be used for waste incineration and generating electricity.
Description of the drawings：Totally 4 figures, Figure of description 1 are the flow process for the material that preceding half period participates in burning, figure
In, 2 be reversal valve, and 3A/B is the left room and right ventricle of inverted U-shaped burner hearth, and 4A/B is two seat energy storage beds, and 5A/B is left and right ignition
Device, 6A/B are left and right slag notches, and 7 be burner hearth dividing wall, and 8A/B is left and right rubbish and auxiliary fuel dispenser, and 9 be multistage steam
Superheater, 10A/B are left and right slag and flying dust expansion chamber, and 1 is carburation by evaporation tube panel.Figure of description 2 is second half of the cycle ginseng
Add the flow process of the material of burning, reference numerals meaning consistent with Figure of description 1.Figure of description 3 is in incinerator
Top sectional view illustrates the actual position of inverted U-shaped burner hearth 3A/B and energy storage bed 4A/B in implementing.Figure of description 4 is outside material object
The cutting position of shape and Figure of description 3.
Specific implementation mode：
Specific component, flow and operating method are following (not to be related to all multiple-project details of important rights item when necessary again
It is open)：
The flow component of the composition inverted U-shaped burner hearth incinerator of heat accumulating type has：
Reversal valve (2) and inverted U-shaped burner hearth (3A/B) and energy storage bed (4A/B) and start-up burner (5A/B) and slag notch (6)
It is heavy with burner hearth dividing wall (7) and rubbish and auxiliary fuel dispenser (8A/B) and multistage steam superheater (9) and slag and flying dust
Room (10A/B) and carburation by evaporation tube panel (1A/B) are dropped, is that flow sequence as shown in the accompanying drawings 1 is arranged.Here, preceding
Eight components are the features components for being combined into the present invention, value of the invention is that efficiently, it is clean, safely incinerate a variety of rubbish
Rubbish, including common plastic containing chlorine, this is because this system has used a kind of energy storage bed (see below explanation) can new air is pre-
For heat to 600 DEG C or more, this is the basis that waste incineration temperature can reach about 1400 DEG C, this temperature energy is entirely complete Ba bioxin
It decomposes.System-wide ingenious configuration can allow its stable operation plus the ash disposal design of energy storage bed.
Reversal valve (2) and rubbish and auxiliary fuel dispenser (8A/B), be all under the control of program controller synchronous synergetic week
It acts to phase property to change air flow direction, to generate about 1400 DEG C high-temp combustion rubbish.
The slag flowed out from slag notch (6) enters slag forming machine, is pressed into building materials and recycles its waste heat.
Process description：
For the ease of reading, it is come the sequence of flow for indicating the material for participating in burning with part number first below：
In the preceding half period of each work period, as shown in Figure 1, air blower → 2 → 4A → 1A → 10A → 3A → 9 →
3B → 10B → 1B → 4B → 2 → air-introduced machine,
In the second half of the cycle of each work period, as shown in Fig. 2, air-introduced machine ← 2 ← 4A ← 1A ← 10A ← 3A ← 9 ←
3B ← 10B ← 1B ← 4B ← 2 ← air blower,
Above-mentioned is that the detailed title substitution of each component is carried out repeated description to mark the breviary description of code name in each component diagram,
Participating in the sequence of flow of the material of burning then becomes following detailed description：
Here is operating method description：
In the preceding half period of each work period, as shown in Figure 1, new air carrys out → reversal valve (2) → storage from air blower
Hott bed (4A) → carburation by evaporation tube panel (1A) → slag and flying dust expansion chamber (10A) → left room of inverted U-shaped burner hearth (3A) → multistage are steamed
Vapour superheater (9) → inverted U-shaped burner hearth right ventricle (3B) → slag and flying dust expansion chamber (10B) → carburation by evaporation tube panel (1B) → storage
Hott bed (4B) → reversal valve (2) → through air-introduced machine to exhaust treatment system.
In preceding half period, under the control of program controller, reversal valve (2) is in working position shown in FIG. 1, thermal-flame
It flows to shown in the arrow on the heavy line such as Fig. 1, garbage feeding A groups feed intake, and B groups stop.
In the second half of the cycle of each work period, under the control of program controller, as shown in Fig. 2, in system medium flow field to
It is anti-with preceding half of cycle phase：Through air-introduced machine to exhaust treatment system ← reversal valve (2) ← energy storage bed (4A) carburation by evaporation tube panel
(1A) ← slag and flying dust expansion chamber (10A) ← left room of inverted U-shaped burner hearth (3A) ← multistage steam superheater (9) ← inverted U-shaped burner hearth
Right ventricle (3B) ← slag and flying dust expansion chamber (10B) ← carburation by evaporation tube panel (1B) ← energy storage bed (4B) ← reversal valve (2) ← new
Air comes from air blower.
In second half of the cycle, under the control of program controller, reversal valve (2) is in working position shown in Fig. 2, thermal-flame
As shown in the arrow of the heavy line of Fig. 2, garbage feeding B groups feed intake flow direction, and A groups stop.
The above-mentioned two half period forms a complete cycle, and in cycles, running is gone down.
Value of the invention is that more more efficient than the prior art, clean, safety incinerates various garbage, including common contain chlorine
Plastics.
Igniting：The present invention is equipped with two start-up burners can use diesel oil or gas ignition from cold state spark to working condition
It is warming up to 1300 DEG C or more and changes throwing rubbish again, in case the too low generation bioxin of ignition phase furnace temperature, accomplishes nuisanceless igniting.From
It lights a fire to normal operation, full furnace system is all run under the control of program controller according to program.
This furnace structure feature：
To be substantially reduced heat dissipation area, raising boiler efficiency, and material consumption is reduced, reduces cost, when this technology is implemented,
Inverted U-shaped burner hearth and energy storage bed (4A/B) should be integrated in a cylindrical space, be, outside the burner hearth refractory wall of rectangle
Three faces are round accumulation of heat bed, another side opening access rubbish and auxiliary fuel dispenser (8A/B) and igniter, then outer is heat-insulated
Insulating layer, outside are circular stove skins, can bear the wind pressure of air blower, also allow for developing into pressurized-gasification furnace.Its cross section
As shown in Figure 3.
Explanation of nouns：The effect in systems of each component and structure are described as follows：
1. having loaded a kind of cellular ceramic packing in energy storage bed (4A/B), this ceramic packing has certain ratio table
Area, the thermal energy for being used for combustion gas tail gas recycle and are used in the new air of preheating；Have from ash disposal ability used herein of being one kind
Energy storage bed, specifically configured ash disposal system, it coordinates with inverted U-shaped burner hearth, can efficiently solve the event occurred in operation
Barrier.
2. the effect of reversal valve (2) is, the flow direction of flue gas and fresh air is periodically changed.In the upper half period,
Fresh air is flowed into from energy storage bed (4A), and flue gas flows to exhaust treatment system through reversal valve (2) again from energy storage bed (4B) outflow
Handling up to standard could discharge.And in the lower half period, this flow direction is reversed.Moreover, reversal valve (2) and rubbish and auxiliary combustion
Expect dispenser (8A/B), is all to change direction to synchronous collaborative lifecycle under the control of program controller, keeps the above process periodical
Ground works.
3. inverted U-shaped burner hearth (3) is a burner hearth for having inverted U-shaped runner, also known as inverted U-shaped fluid bed is that gasification, and combustion is anti-
Device is answered, it, for split, is divided into symmetrical left and right two rooms (3A/B) with burner hearth dividing wall (7) placed in the middle and fire resisting, this two Room
Lower part is equipped with the loudspeaker spout of venturi-shaped, plays a part of constriction runner and improves gas velocity.Enter stove material under suitable wind speed
Fluidized state is would be at, is the fluidized bed combustion section that a high temperature gas flow is promoted, rubbish is fully fired about 1400 degree
It burns.The inverted U-shaped burner hearth waste incinerator of heat accumulating type is gained the name because there is this inverted U-shaped burner hearth.
4. rubbish and auxiliary fuel dispenser (8A/B) and the work done in the manner of a certain author such as slag formation system and energy storage bed (4A/B) are separately
Application.
5. what is walked inside carburation by evaporation tube panel (1 A/B) is desalted water, plays and remove combustion heat release, stablizes the work of furnace temperature
With；Carburation by evaporation tube panel (1 A/B) is divided on the slag and the side flying dust expansion chamber (10A/B) of the left and right sides, is risen and is intercepted clinker
With the effect of flying dust.
6. the effect of burner hearth dividing wall (7) is that combustion chamber is divided into left and right sides burner hearth, an inverted U-shaped burner hearth (3) is formed,
When rubbish enters burner hearth, under high temperature gas flow castering action, it is in fluidized combustion or vaporized state.Inverted U-shaped burner hearth (3)
Dome be made of multistage steam superheater (9) and refractory material.Furnace cavity is built by laying bricks or stones resistance to by fire-resistant abrasion-proof resistant material
Wall with flues and carburation by evaporation tube panel are constituted.
7. refractory wall is outer round energy storage bed layer, then outer is insulating, and outside is circular stove skin, can bear air blast
The wind pressure of machine.
8. the effect of rubbish and auxiliary fuel dispenser (8A/B) is to safeguard the normal operation of burner hearth.Because of inverted U-shaped fluidisation
The running temperature of bed is wanted high enough to make the state of the ash fusion in rubbish, the temperature generally at dome up to 1500 DEG C,
So burn if the house refuse compared with low energy value, probably due to maintain needed for the running temperature of inverted U-shaped fluid bed, it is appropriate to throw
Add the auxiliary fuel of more such rubbish more high heating value, so, it is equipped with auxiliary fuel dispenser.
9. there are slag and flying dust expansion chamber (10) in the left and right sides below burner hearth, for collecting clinker and flying dust.
Claims (7)
1. claim 1, a kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier, it is characterised in that：Reversal valve (2)
With inverted U-shaped burner hearth (3A/B) and energy storage bed (4A/B) and start-up burner (5A/B) and slag notch (6) and burner hearth dividing wall (7) and
Rubbish and auxiliary fuel dispenser (8A/B) and multistage steam superheater (9) and slag and flying dust expansion chamber (10A/B) and evaporation
Tube panel (1A/B) is vaporized, is that flow as shown in the accompanying drawings 1 sequence is arranged, when implementation, above-mentioned component is most rational empty
Between position be then integrated in as shown in Figure 3 in a cylinder, this be make this technology that there is advanced nuclear structure, and, it is special
In waste incinerator energy storage bed with from ash disposal ability, present invention aims at efficient, clean, safety to incinerate a variety of rubbish
Rubbish, including common plastic containing chlorine.
2. heat accumulating type U-shaped burner hearth waste incinerator according to claim 1 or coal gasifier, it is characterised in that：With U
Shape burner hearth (3)；Inverted U-shaped burner hearth (3) is a burner hearth for having inverted U-shaped runner, and also known as inverted U-shaped fluid bed is that gasification, and combustion is anti-
Device is answered, it, for split, is divided into symmetrical left and right two rooms (3A/B) with burner hearth dividing wall (7) placed in the middle and fire resisting, this two Room
Lower part is equipped with the loudspeaker spout of venturi-shaped, plays a part of constriction runner and improves gas velocity；Therefore, enter stove material in suitable wind
Fluidized state is would be under speed, is the fluidized bed combustion section that a high temperature gas flow is promoted, rubbish is filled about 1400 degree
Divided combustion；The inverted U-shaped burner hearth waste incinerator of heat accumulating type is gained the name because there is this inverted U-shaped burner hearth.
3. the inverted U-shaped burner hearth waste incinerator of heat accumulating type according to claim 1 or coal gasifier, it is characterised in that：It carries
The burner hearth dividing wall (7) of inverted U-shaped burner hearth is constituted, the effect of burner hearth dividing wall (7) is that combustion chamber is divided into the symmetrical left and right sides
Burner hearth forms an inverted U-shaped burner hearth (3A/B).
4. the inverted U-shaped burner hearth waste incinerator of heat accumulating type according to claim 1 or coal gasifier, it is characterised in that：It carries
It is exclusively used in having for waste incinerator and sits (4A/B) from ash disposal ability from ash disposal energy storage bed two, be located at the stove of inverted U-shaped burner hearth
Around wall, this energy storage bed can be new air preheat to 600 DEG C or more, this, which is waste incineration temperature, can reach about 1400 DEG C
Basis, for this temperature energy Ba bioxin complete decomposition entirely, value is that efficient, clean, safety incinerates various garbage, including common
Plastic containing chlorine, the lime-ash of melting can make the recycling degree highest of rubbish, is other existing type of furnace institutes in order to be cured as building materials
It is difficult to reach.
5. the inverted U-shaped burner hearth waste incinerator of heat accumulating type according to claim 1 or coal gasifier, operation method feature exist
In：Reversal valve (2) and rubbish and auxiliary fuel dispenser (8A/B) are all collaborative lifecycle is synchronized under the control of program controller
Change flow direction of material, incinerator is made reliably to work, in former and later two half periods of a work period, Flow of Goods and Materials sequence is such as
Shown in lower arrow, the sequence of flow for participating in the material of burning is：
In the preceding half period of each work period, as shown in Figure 1, air blower → 2 → 4A → 1A → 10A → 3A → 9 → 3B →
10B → 1B → 4B → 2 → air-introduced machine；
In the second half of the cycle of each work period, as shown in Fig. 2, air-introduced machine ← 2 ← 4A ← 1A ← 10A ← 3A ← 9 ← 3B ←
10B ← 1B ← 4B ← 2 ← air blower；Also, firing up or other mode of heatings are necessary process, claim when going into operation
Two start-up burners (5A/B) described in 1 are also essential, no matter it is installed on where, what is fired is higher thermal value
Non-junk class A fuel A.
6. furnace structure feature：
To be substantially reduced heat dissipation area, raising boiler efficiency, and material consumption is reduced, reduces cost, it is described when this technology is implemented
The inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier, inverted U-shaped burner hearth and energy storage bed (4A/B) should be integrated with one
In cylindrical space, it is that outer three faces of burner hearth refractory wall of rectangle are round accumulation of heat bed, another side opening access rubbish and auxiliary
Fuel feedstock device (8A/B) and igniter, then outer is insulating, outside is circular stove skin, can hold the wind of love air blower
Pressure, also allows for developing into pressurized-gasification furnace, cross section is as shown in Figure 3.
7. according to the inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier described in claim 1 to 6, it is characterised in that：It must
Need to rubbish be added mouth be equipped with auxiliary fuel dispenser (8A/B), this is because the running temperature of U-shaped fluid bed want high enough to
The state for making the noncombustible matter in rubbish melt, so, the house refuse if low heat value is burnt, probably due to maintaining operation
Needed for temperature, the auxiliary fuel of high heating value is added in right amount, so, this stove needs auxiliary fuel dispenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676919.0A CN108758640A (en) | 2018-06-19 | 2018-06-19 | A kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810676919.0A CN108758640A (en) | 2018-06-19 | 2018-06-19 | A kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108758640A true CN108758640A (en) | 2018-11-06 |
Family
ID=63977729
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810676919.0A Pending CN108758640A (en) | 2018-06-19 | 2018-06-19 | A kind of inverted U-shaped burner hearth waste incinerator of heat accumulating type or coal gasifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615615A (en) * | 2019-09-09 | 2019-12-27 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
| CN112682949A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustor, combustion assembly and gas water heater |
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| CN207486821U (en) * | 2017-11-23 | 2018-06-12 | 西安昱昌环境科技有限公司 | A kind of rotation RTO furnace bodies that can realize interim blowing out heat preservation |
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| CN207049949U (en) * | 2017-07-29 | 2018-02-27 | 苏州盛华环保有限公司 | A kind of RTO accumulation of heats incinerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110615615A (en) * | 2019-09-09 | 2019-12-27 | 广东生活环境无害化处理中心有限公司 | High and low temperature corrosion resistant enamel material, preparation method and application thereof, and high temperature boiling rotary grate furnace device |
| CN112682949A (en) * | 2019-10-17 | 2021-04-20 | 芜湖美的厨卫电器制造有限公司 | Combustor, combustion assembly and gas water heater |
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Application publication date: 20181106 |