CN203323134U - Rubbish gasification furnace - Google Patents
Rubbish gasification furnace Download PDFInfo
- Publication number
- CN203323134U CN203323134U CN2013202892589U CN201320289258U CN203323134U CN 203323134 U CN203323134 U CN 203323134U CN 2013202892589 U CN2013202892589 U CN 2013202892589U CN 201320289258 U CN201320289258 U CN 201320289258U CN 203323134 U CN203323134 U CN 203323134U
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- air compartment
- fire grate
- outlet
- import
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model provides a rubbish gasification furnace. The rubbish gasification furnace can greatly reduce the amount of primary air and the final flue gas emission amount, and therefore the total pollutant emission amount and flue gas treatment cost are reduced; oxygen-enriched combustion on the tail portion can raise the combustion temperature in a hearth, guarantee complete combustion of rubbish and improve the utilization efficiency of rubbish heat energy. The rubbish gasification furnace comprises a hopper, a drying fire grate, a combustion fire grate, a slag extractor and a start-up burner. The hopper is arranged on the upper portion, a discharge port in the lower portion of the hopper is provided with a pushing device of which a material channel inclines downwards, the drying fire grate arranged in a downward-inclining mode is arranged below the tail end of the pushing device, the combustion fire grate is arranged on the lower portion of the tail end of the drying fire grate, the slag extractor is arranged below the tail end of the combustion fire grate, and the start-up burner faces towards the combustion fire grate. The rubbish gasification furnace is characterized in that a cavity in the upper portion of the drying fire grate is divided into two parts by an adjusting baffle, the front part is a drying chamber, and the back part is a gasification chamber.
Description
Technical field
The utility model relates to the technical field of refuse disposal installation structure, is specially a kind of refuse gasification boiler.
Background technology
The processing of domestic waste is the important and urgent environmental issue that countries in the world face.Current, garbage disposal mainly adopts sanitary landfills, compost and three kinds of methods of burning, and its basic principle is innoxious, minimizing and resource.
Burning disposal is that rubbish is placed in incinerator and is burnt, and discharges heat energy, but waste heat recovery heat supply or generating.After gas cleaning, discharge, a small amount of residual residue is discharged landfill or makes other purposes.The technical characterstic of burning disposal is that treating capacity is large, to subtract capacitive good, innoxious thoroughly, and the energy recovery effect is arranged.Therefore, house refuse is carried out to effective processing mode that burning disposal is innoxious, minimizing and resource.Countries in the world generally adopt this technology of garbage disposal.
Existing burning disposal structure, the primary air flow needed is large, and then makes final smoke discharge amount large; And rubbish is difficult for completing combustion, make the utilization rate of rubbish heat low.
Summary of the invention
For the problems referred to above, the utility model provides a kind of refuse gasification boiler, and it can greatly reduce primary air flow; And can reduce final smoke discharge amount, thereby reduce gross contamination emission and flue gas processing cost; The afterbody oxygen-enriched combusting also can improve the ignition temperature in burner hearth, guarantees the completing combustion of rubbish, has improved the utilization ratio of rubbish heat.
A kind of refuse gasification boiler, its technical scheme is such: it comprises hopper, dry fire grate, combustion grate, slag extractor, start-up burner, described hopper is positioned at top, the bottom discharging opening of described hopper is provided with the downward-sloping material-pulling device in material road, the end below of described material-pulling device arranges the described dry fire grate of downward-sloping layout, the end bottom of described dry fire grate is provided with described combustion grate, the end below of described combustion grate is provided with described slag extractor, described start-up burner is arranged towards described combustion grate, it is characterized in that: the upper chamber of described dry fire grate is conditioned baffle plate and is divided into two parts, front portion is hothouse, rear portion is vaporizer, the bottom of described dry fire grate is isolated into two parts by air compartment baffle, anterior one time, the front portion wind air compartment that is communicated with its underpart, one time, the rear portion of connection its underpart, rear portion wind air compartment, a described anterior wind air compartment, both isolate one time, rear portion wind air compartment mutually, the top of described hothouse is provided with steam outlet, described steam outlet connects the import that is communicated with the fixed gas heater in flue after dehydrating unit by pipeline, the outlet of fixed gas heater is communicated with the import of a described anterior wind air compartment, the top of described vaporizer, combustion grate is provided with syngas outlet, described syngas outlet is communicated with chimney intake by connecting line, the below of described combustion grate is provided with independent burning air compartment, gas vent portion gas in described flue is communicated with one time, described rear portion wind air compartment, the outlet of the air heater in described flue is communicated with the import of described burning air compartment, and oxygen is taken over the import that passes into described burning air compartment by oxygen.
It is further characterized in that: the top of described controllable register is installed on the top of hearth wall by rotating shaft;
The revetment position, top of described combustion grate is provided with explosion proof door;
Described flue is respectively arranged with economizer, air heater, fixed gas heater from top to bottom, after described syngas outlet is communicated with the entrance of flue by connecting line, flow to successively downwards the outlet at bottom of described flue after the outer surface by described economizer, air heater, fixed gas heater, described outlet at bottom has two outlets: one of them be communicated with the wind air compartment in described rear portion import, another is communicated with gas turbine;
Described fixed gas heater has at least two groups, each is organized between described fixed gas heater and arranges from bottom to top, each is organized between described fixed gas heater and is connected to form the one-way circulation path by connecting line, described dehydrating unit is positioned at the bottom of described flue, described dehydrating unit connects the described fixed gas heater of bottommost by pipeline, the fixed gas heater of topmost is provided with export pipeline, and described export pipeline is communicated with the import of a described anterior wind air compartment;
The import of described air heater passes into cold air, and the outlet of described air heater is communicated with the import of burning air compartment;
Described syngas outlet is positioned at the top of described vaporizer, and the hearth wall on described combustion grate top is that inclined-plane, this hearth wall are arranged obliquely towards described syngas outlet.
After adopting structure of the present utility model, steam outlet connects the import that is communicated with the fixed gas heater in flue after dehydrating unit by pipeline, and the outlet of fixed gas heater is communicated with the import of an anterior wind air compartment; The top of vaporizer, combustion grate is provided with syngas outlet, syngas outlet is communicated with chimney intake by connecting line, the below of combustion grate is provided with independent burning air compartment, gas vent portion gas in flue is communicated with one time, rear portion wind air compartment, and the outlet of the air heater in flue is communicated with the import of burning air compartment; This structure refluxes after adopting the partial fume circulation, and it can greatly reduce primary air flow; Simultaneously, partial fume refluxes and combines, and also can reduce final smoke discharge amount, thereby reduce gross contamination emission and flue gas processing cost; Take over the import that passes into the burning air compartment by oxygen due to oxygen, the afterbody oxygen-enriched combusting also can improve the ignition temperature in burner hearth, guarantees the completing combustion of rubbish, has improved the utilization ratio of rubbish heat.
The accompanying drawing explanation
Fig. 1 is chamber structure schematic diagram of the present utility model;
Fig. 2 is the utility model flue structure schematic diagram.
The specific embodiment
See Fig. 1, Fig. 2, it comprises hopper 1, dry fire grate 2, combustion grate 3, slag extractor 4, start-up burner 5, hopper 1 is positioned at top, the bottom discharging opening of hopper 1 is provided with the downward-sloping material-pulling device 6 in material road, the end below of material-pulling device 6 arranges the dry fire grate 2 of downward-sloping layout, the end bottom of dry fire grate 2 is provided with combustion grate 3, the end below of combustion grate 3 is provided with slag extractor 4, start-up burner 5 is arranged towards combustion grate 3, the upper chamber of dry fire grate 2 is conditioned baffle plate 7 and is divided into two parts, front portion is hothouse 8, rear portion is vaporizer 9, the bottom of dry fire grate 2 is isolated into two parts by air compartment baffle 10, anterior one time, the front portion wind air compartment 11 that is communicated with its underpart, one time, the rear portion of connection its underpart, rear portion wind air compartment 12, an anterior wind air compartment 11, both isolate one time, rear portion wind air compartment 12 mutually, the top of hothouse 8 is provided with steam outlet 13, steam outlet 13 connects the import of the fixed gas heater 16 in the rear connection flue 15 of dehydrating unit 14 by pipeline, the outlet of fixed gas heater 16 is communicated with the import of an anterior wind air compartment 11, the top of vaporizer 9, combustion grate 3 is provided with syngas outlet 17, syngas outlet 17 is communicated with the import of flue 15 by connecting line, the below of combustion grate 3 is provided with independent burning air compartment 18, gas vent portion gas in flue 15 is communicated with the import of the wind air compartment 12 in rear portion, the outlet of the air heater 19 in flue 15 is communicated with the import of burning air compartment 18, and the oxygen in oxygen generating plant 20 is taken over 21 imports that pass into the air compartment 18 that burns by oxygen.
The top of controllable register 7 is installed on the top of hearth wall 23 by rotating shaft 22, when refuse thermal value is on the low side, swing backward, and to improve the volume of hothouse, vice versa; The upper furnace wall position of combustion grate 3 is provided with explosion proof door 24, and explosion proof door 24 can automatically be opened in the process of rubbish detonation, prevents from damaging gasification furnace and operations staff; Flue 15 is respectively arranged with economizer 25, air heater 19, fixed gas heater 16 from top to bottom, after syngas outlet 17 is communicated with the entrance of flue 15 by connecting line, flow to the outlet at bottom of flue after the downward outer surface by economizer 25, air heater 19, fixed gas heater 16 successively, outlet at bottom has two outlets: import, another outlet 27 that one of them outlet 26 is communicated with the wind air compartment 12 in rear portion are communicated with gas turbine (not shown in FIG., as to belong to existing mature technology); Fixed gas heater 16 has at least two groups, each is organized between fixed gas heater 16 and arranges from bottom to top, each is organized between fixed gas heater 16 and is connected to form the one-way circulation path by connecting line, dehydrating unit 14 is positioned at the bottom of flue 15, dehydrating unit 14 connects the fixed gas heater 16 of bottommost by pipeline, the fixed gas heater 16 of topmost is provided with export pipeline 28, and export pipeline 28 is communicated with the import of an anterior wind air compartment 11; The import of air heater 19 passes into cold air, and the outlet of air heater 19 is communicated with the import of burning air compartment 18; Syngas outlet 17 is positioned at the top of vaporizer 9, and the hearth wall on combustion grate 3 tops is that inclined-plane, this hearth wall are arranged obliquely towards syngas outlet 17.
Claims (7)
1. a refuse gasification boiler, it comprises hopper, dry fire grate, combustion grate, slag extractor, start-up burner, described hopper is positioned at top, the bottom discharging opening of described hopper is provided with the downward-sloping material-pulling device in material road, the end below of described material-pulling device arranges the described dry fire grate of downward-sloping layout, the end bottom of described dry fire grate is provided with described combustion grate, the end below of described combustion grate is provided with described slag extractor, described start-up burner is arranged towards described combustion grate, it is characterized in that: the upper chamber of described dry fire grate is conditioned baffle plate and is divided into two parts, front portion is hothouse, rear portion is vaporizer, the bottom of described dry fire grate is isolated into two parts by air compartment baffle, anterior one time, the front portion wind air compartment that is communicated with its underpart, one time, the rear portion of connection its underpart, rear portion wind air compartment, a described anterior wind air compartment, both isolate one time, rear portion wind air compartment mutually, the top of described hothouse is provided with steam outlet, described steam outlet connects the import that is communicated with the fixed gas heater in flue after dehydrating unit by pipeline, the outlet of fixed gas heater is communicated with the import of a described anterior wind air compartment, the top of described vaporizer, combustion grate is provided with syngas outlet, described syngas outlet is communicated with chimney intake by connecting line, the below of described combustion grate is provided with independent burning air compartment, gas vent portion gas in described flue is communicated with one time, described rear portion wind air compartment, the outlet of the air heater in described flue is communicated with the import of described burning air compartment, and oxygen is taken over the import that passes into described burning air compartment by oxygen.
2. a kind of refuse gasification boiler according to claim 1, it is characterized in that: the top of described controllable register is installed on the top of hearth wall by rotating shaft.
3. a kind of refuse gasification boiler according to claim 1, it is characterized in that: the revetment position, top of described combustion grate is provided with explosion proof door.
4. a kind of refuse gasification boiler according to claim 1, it is characterized in that: described flue is respectively arranged with economizer, air heater, fixed gas heater from top to bottom, after described syngas outlet is communicated with the entrance of flue by connecting line, flow to successively downwards the outlet at bottom of described flue after the outer surface by described economizer, air heater, fixed gas heater, described outlet at bottom has two outlets: one of them be communicated with the wind air compartment in described rear portion import, another is communicated with gas turbine.
5. according to the described a kind of refuse gasification boiler of claim 1 or 4, it is characterized in that: described fixed gas heater has at least two groups, each is organized between described fixed gas heater and arranges from bottom to top, each is organized between described fixed gas heater and is connected to form the one-way circulation path by connecting line, described dehydrating unit is positioned at the bottom of described flue, described dehydrating unit connects the described fixed gas heater of bottommost by pipeline, the fixed gas heater of topmost is provided with export pipeline, and described export pipeline is communicated with the import of a described anterior wind air compartment.
6. according to the described a kind of refuse gasification boiler of claim 1 or 4, it is characterized in that: the import of described air heater passes into cold air, and the outlet of described air heater is communicated with the import of burning air compartment.
7. a kind of refuse gasification boiler according to claim 1, it is characterized in that: described syngas outlet is positioned at the top of described vaporizer, and the hearth wall on described combustion grate top is that inclined-plane, this hearth wall are arranged obliquely towards described syngas outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202892589U CN203323134U (en) | 2013-05-24 | 2013-05-24 | Rubbish gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202892589U CN203323134U (en) | 2013-05-24 | 2013-05-24 | Rubbish gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203323134U true CN203323134U (en) | 2013-12-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013202892589U Withdrawn - After Issue CN203323134U (en) | 2013-05-24 | 2013-05-24 | Rubbish gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203323134U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267293A (en) * | 2013-05-24 | 2013-08-28 | 无锡华光锅炉股份有限公司 | Rubbish gasification furnace |
| CN106594713A (en) * | 2016-12-19 | 2017-04-26 | 哈尔滨工业大学 | Anti-slagging biomass cascade conversion combustion device |
-
2013
- 2013-05-24 CN CN2013202892589U patent/CN203323134U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267293A (en) * | 2013-05-24 | 2013-08-28 | 无锡华光锅炉股份有限公司 | Rubbish gasification furnace |
| CN103267293B (en) * | 2013-05-24 | 2015-09-09 | 无锡华光锅炉股份有限公司 | A kind of refuse gasification boiler |
| CN106594713A (en) * | 2016-12-19 | 2017-04-26 | 哈尔滨工业大学 | Anti-slagging biomass cascade conversion combustion device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131204 Effective date of abandoning: 20150909 |
|
| RGAV | Abandon patent right to avoid regrant |