CN102338386B - Garbage gasification furnace - Google Patents
Garbage gasification furnace Download PDFInfo
- Publication number
- CN102338386B CN102338386B CN2010102345003A CN201010234500A CN102338386B CN 102338386 B CN102338386 B CN 102338386B CN 2010102345003 A CN2010102345003 A CN 2010102345003A CN 201010234500 A CN201010234500 A CN 201010234500A CN 102338386 B CN102338386 B CN 102338386B
- Authority
- CN
- China
- Prior art keywords
- housing
- sand
- diffuser
- shell
- garbage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention belongs to the technical field of refuse burning, and in particular relates to a garbage gasification furnace. The garbage gasification furnace comprises a cannular shell, the upside of the shell is respectively provided with a material feeding inlet and a smoke outlet, the lowerside of the shell is provided with a slagging port, and the middle-lower part of shell is filled with fluidization sands; a disperse air pipe penetrates the inner side of the shell from the outside of the shell so as to be buried in the fluidization sands, the air inlet end of the disperse air pipe positioned outside the shell is connected with a hot-air oven, and a disperse air hole is formed on the pipe body of the disperse air pipe inside the shell; the hot-air oven and the disperse air pipe are matched to lead the fluidization sands to be in a static deposition state or a boil fluidized state. The garbage gasification furnace provided by the invention has the advantages of easily carrying out the garbage pretreatment, burning and gasifying the garbage, preventing the effluvium spreading of the garbage, reducing the deslagging and slag-carrying workload of the garbage after burning aerification, providing a flammability air source for other incinerators or cement kilns, and being beneficial to the later processing of the refuse burning.
Description
Technical field
The invention belongs to the garbage incineration technology field, be specifically related to a kind of refuse gasification boiler.
Background technology
From the application of China's conventional garbage incineration technology, mainly have the problem of the following aspects: in China's house refuse, main component is without class rubbish more than the kitchen of crossing sorting, and because class rubbish stench more than the kitchen is serious, the difficulty of sorting is larger again simultaneously; And the seasonal amplitude of variation of refuse thermal value is large and water content rubbish is higher.
Because house refuse is mainly class rubbish more than the kitchen, and the high heating value rubbish such as plastics, waste paper are less, still the calorific value of state's house refuse is lower, be difficult to adapt to from the higher incinerator of the operating temperature of external introduction, and work smoothly in order to guarantee that incinerator can be stablized, therefore need to add more fuel in incinerator, cause the waste of fuel; Although and the incinerator kind that China researchs and develops out voluntarily is more, and the suitable burning disposal of part type China rubbish is arranged also wherein, but its incineration temperature is lower, can only reach the incineration temperature of 600～800 ℃ as most incinerators, because the incineration firing that is in this temperature section will produce a large amount of dioxin and furans, simultaneously gas combustion is incomplete, contains a large amount of organic matters in incineration flue gas, and the pollution that therefore atmospheric environment is caused is comparatively serious.
Simultaneously also just because of the calorific value of China's house refuse is lower, so China's house refuse can not put into cement kiln and directly burn, and seriously hindered the recycling of rubbish.
Summary of the invention
The purpose of this invention is to provide a kind of refuse gasification boiler, it is simple in structure and be suitable for burning and process China's house refuse.
for achieving the above object, the present invention has adopted following technical scheme: a kind of refuse gasification boiler, this refuse gasification boiler comprises the housing of tubular, the upside of housing is arranged with material input port and exhanst gas outlet, the downside of housing is provided with slag-drip opening, the middle and lower part of housing is filled with fluidisation sand, diffuser penetrates the inboard of housing and is embedded in fluidisation sand from the outside of housing, the inlet end that diffuser is positioned at hull outside is connected with hot-blast stove, diffuser is positioned on the pipe shaft of housing inboard and is provided with air dispelling hole, hot-blast stove coordinate with diffuser make fluidisation sand be in static sedimentation state or the boiling fluidized state, described housing is long tubular, and housing is divided into the two sections that interconnect, the shape of cross section of lower piece housing is circular, the shape of cross section of upper casing is semicircle or arc, the circular outside face of described lower piece housing and upper casing is positioned on same periphery, the side of lower piece housing and upper casing intersection is provided with boss, described material input port is arranged on the boss place, exhanst gas outlet is arranged on the top of upper casing, fluidisation sand and diffuser all are arranged in lower piece housing, the top of the layer of sand the when position of described boss is in the boiling fluidized state higher than fluidisation sand.
Technique effect of the present invention is: in the situation that it is not high not carry out degree of depth sorting, calorific value based on China's house refuse, adopt the fluidisation sand ebullition, gasification rubbish in gasifying furnace device, because the temperature that gasification rubbish needs is more much lower than the operating temperature of existing incinerator, therefore the present invention can relatively easily carry out the rubbish pretreatment, burn and the rubbish that gasifies, prevented the stench diffusion of rubbish, deslagging, the workload of mucking haulage of burning after gasification rubbish have been reduced, also provide flammable source of the gas for other incinerators or cement kiln, be conducive to the subsequent treatment of waste incineration; Simultaneously, because dividing, fluidisation sand is in static sedimentation state or boiling fluidized state, layer of sand top when therefore the top that is in the layer of sand when seething with excitement fluidized state of fluidisation sand will be in static sedimentation state higher than it, the top of the layer of sand the when position of boss is in the boiling fluidized state higher than fluidisation sand can guarantee the abundant mixing of fluidisation sand and rubbish and the smooth combustion gasification of rubbish.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the schematic diagram of arranging of diffuser.
The specific embodiment
as shown in Figure 1, a kind of refuse gasification boiler, this refuse gasification boiler comprises the housing 10 of tubular, the upside of housing 10 is arranged with material input port 11 and exhanst gas outlet 12, the downside of housing 10 is provided with slag-drip opening 13, the middle and lower part of housing 10 is filled with fluidisation sand, diffuser 20 penetrates the inboard of housing 10 and is embedded in fluidisation sand from the outside of housing 10, the inlet end that diffuser 20 is positioned at hull outside is connected with hot-blast stove, diffuser 20 is positioned on the pipe shaft of housing inboard and is provided with air dispelling hole, hot-blast stove coordinate with diffuser 20 make fluidisation sand be in static sedimentation state or the boiling fluidized state.
When starting working, hot-blast stove blasts the hot blast of 500 ℃ by diffuser 20 in housing 10, hot blast is discharged by the air dispelling hole on diffuser 20, the hot blast of discharging from air dispelling hole makes the fluidisation sand that is embedded in diffuser 20 upsides be converted into the boiling fluidized state by original static sedimentation state, the temperature of fluidisation sand rises and with 11 rubbish that drop in housings fully mix from the material input port, the gasification of being ignited and burn away of rubbish instantaneous time, the flue gas with higher temperature that burning generates enters into upstream device from the exhanst gas outlet 12 of housing upside; When dropping into the smooth combustion of broken rubbish of housing 10 inboards, hot-blast stove no longer continues to provide hot blast, gets final product and only need to blast normal temperature air in the housing 10; The iron that contains in rubbish divides, aluminium divides and the incombustible such as rubble is discharged together from slag-drip opening 13 and the fluidisation sand of housing 10 bottoms.
Fluidisation sand in the present invention is quartz sand, and described material input port 11 is also garbage inlet.
As shown in Figure 1, 2, described housing 10 is from being comprised of steel plate 101, refuge floor 102 and flame retardant coating 103 outside to inside, steel plate 101 plays the carrying effect, and refuge floor 102 and flame retardant coating 103 are used for withstand high temperatures, to keep the high temperature in gasification furnace and to prevent that housing 10 is by scaling loss.Fire material and refractory material that refuge floor 102 and flame retardant coating 103 are selected can be with reference to prior aries.
For guaranteeing the safety and stability of gasifier operation; described housing 10 is provided with relief valve at exhanst gas outlet 12 places; when being mixed with explosive substance in the rubbish that drops into or cause abnormal pressure in gasification furnace because of operate miss etc., relief valve will automatically and rapidly discharge furnace pressure to reach effect of easing stress and protect gasification furnace injury-free to atmosphere.
as preferred version of the present invention, as Fig. 1, shown in 2, described housing 10 is long tubular, and housing 10 is divided into the two sections that interconnect, the shape of cross section of lower piece housing is circular, the shape of cross section of upper casing is semicircle or arc, the circular outside face of described lower piece housing and upper casing is positioned on same periphery, the side of lower piece housing and upper casing intersection is provided with boss 14, described material input port 11 is arranged on boss 14 places, exhanst gas outlet 12 is arranged on the top of upper casing, fluidisation sand and diffuser 20 all are arranged in lower piece housing, the top of the layer of sand the when position of described boss 14 is in the boiling fluidized state higher than fluidisation sand.
The cross section of described lower piece housing is also namely perpendicular to the cross section of lower piece housing axis direction, because dividing, fluidisation sand is in static sedimentation state or boiling fluidized state, layer of sand top when therefore the top that is in the layer of sand when seething with excitement fluidized state of fluidisation sand will be in static sedimentation state higher than it, the top of the layer of sand the when position of boss 14 is in the boiling fluidized state higher than fluidisation sand can guarantee the abundant mixing of fluidisation sand and rubbish and the smooth combustion gasification of rubbish.
As shown in Figure 2, described material input port 11 is skewed axis towards lower piece housing downwards, and this setup makes the sewage in rubbish and rubbish can fall into the centre of gasification furnace, burns the dead angle to prevent from forming near the inwall of gasification furnace.
Making material input port 11 be downward-sloping shape has multiple implementation, joins and gets final product such as upper casing and boss 14 being designed to Y shape.
As preferred version of the present invention, as shown in Figure 2, the position that described lower piece housing is positioned at boss place downside is provided with to the recess 15 of housing 10 inner recess, the top of the layer of sand the when least significant end of recess 15 is in the boiling fluidized state higher than fluidisation sand.
Further, described recess 15 along the hypomere housing shaft to the cross section be the angle shape, the angle of angle β is 80～100 °.
The setting of recess 15 not only makes the garbage outlet of material input port 11 be set to center towards gasification furnace, and because recess lower inclined plane 151 is upwards and tilts to upper casing, therefore recess 15 itself also plays the function of guiding flue gas flow direction upper casing, is conducive to the smooth discharge of flue gas.
Further, the side of described material input port 11 is provided with broken coal import 18, when the combustible deficiency in the rubbish in entering housing 10 causes incineration temperature to descend, to help burning, make refuse gasification boiler keep stable duty by broken coal import 18 impouring broken coals.
As shown in Figure 1, 2, be provided with sand feeding hole 16 and garbage leachate import 17 on described lower piece housing, sand feeding hole 16 and garbage leachate import 17 are arranged on the lateral surface of the housing relative with material input port 11, and the top of the layer of sand of the position of sand feeding hole 16 and garbage leachate import 17 when all being in the boiling fluidized state higher than fluidisation sand.
As shown in Figure 3, the both sides of described housing 10 are symmetrically arranged with to be provided with on 30, two air chests 30 of two air chests along the axis of lower piece housing and relatively stretch out and the diffuser 20 of arrangement interlaced with each other; Described diffuser 20 is along level to running through housing 10, and the axis of diffuser 20 is all parallel to each other and be on same level, and an end of diffuser 20 is connected with air chest 30, other end sealing.
Air dispelling hole on described diffuser 20 is along level to the both sides that are arranged in diffuser 20.
Diffuser 20 namely is provided with the pipe of a lot of air dispelling holes in the two side, diffuser 20 levels are crossed housing 10, and housing 10 outsides are stretched out at the two ends of diffuser 20, two air chests 30 are arranged on respectively the both sides of housing 10, on each diffuser 20 same level that is arranged in gasification furnace interlaced with each other that two air chests 30 are communicated with respectively.To diffuser 20 air feeds, wind sprays into fluidisation sand inside so that fluidisation sand is in the boiling fluidized state in from air dispelling hole to gasification furnace to high pressure positive blower by air chest 30.In order to make fluidisation sand in the gasification furnace state that reaches a high temperature, air chest 30 and be positioned on the pipe arrangement surface of diffuser 20 of the outer part of stove and all should implement Insulation.
The present invention will be further described below in conjunction with accompanying drawing 1～3:
The housing 10 of this gasification furnace adopts steel design, and the bottom of housing 10 is taper, and the middle part is cylindrical, and top is half-cylindrical, is divided into successively the empty cylinder 10a of section, fluidized bed 10b, mobile layer 10c from top to bottom.The described empty cylinder 10a of section comprises the top of the fluidisation sand boiling range of upper casing and lower piece housing, and the inside of the empty cylinder 10a of section is cavity, and the space that house refuse drops into and flue gas is upwards discharged mainly is provided; Fluidized bed 10b mainly provides the space of the boiling of fluidisation sand and consumer waste incineration gasification between diffuser 20 and fluidisation sand boiling range; Mobile layer 10c is positioned at the below of diffuser 20, the lime-ash after the consumer waste incineration in this zone and fluidisation sand under Action of Gravity Field gradually downwards slag-drip opening 13 move, finally discharge by conveying equipment.
The present invention has overcome the difficulty that waste of low heating value is difficult to burn, sorting and rubbish do not have the problem of serious stench to have solved house refuse in China's garbage disposal cause, slag, flying dust and percolate have been dealt carefully with, simultaneously also provide flammable source of the gas for other incinerators or cement kiln, environmental protection index meets national environmental standard.
Claims (9)
1. refuse gasification boiler, it is characterized in that: this refuse gasification boiler comprises the housing (10) of tubular, the upside of housing (10) is arranged with material input port (11) and exhanst gas outlet (12), the downside of housing (10) is provided with slag-drip opening (13), the middle and lower part of housing (10) is filled with fluidisation sand, diffuser (20) penetrates the inboard of housing (10) and is embedded in fluidisation sand from the outside of housing (10), the inlet end that diffuser (20) is positioned at hull outside is connected with hot-blast stove, diffuser (20) is positioned on the pipe shaft of housing inboard and is provided with air dispelling hole, hot-blast stove coordinate with diffuser (20) make fluidisation sand be in static sedimentation state or the boiling fluidized state, described housing (10) is long tubular, and housing (10) is divided into the two sections that interconnect, the shape of cross section of lower piece housing is circular, the shape of cross section of upper casing is semicircle or arc, the circular outside face of described lower piece housing and upper casing is positioned on same periphery, the side of lower piece housing and upper casing intersection is provided with boss (14), described material input port (11) is arranged on boss (14) and locates, exhanst gas outlet (12) is arranged on the top of upper casing, fluidisation sand and diffuser (20) all are arranged in lower piece housing, the top of the layer of sand the when position of described boss (14) is in the boiling fluidized state higher than fluidisation sand.
2. refuse gasification boiler according to claim 1 is characterized in that: described housing (10) is from being comprised of steel plate (101), refuge floor (102) and flame retardant coating (103) outside to inside.
3. refuse gasification boiler according to claim 1, it is characterized in that: described housing (10) locates to be provided with pressure-relief valve at exhanst gas outlet (12).
4. refuse gasification boiler according to claim 1, it is characterized in that: be provided with sand feeding hole (16) and garbage leachate import (17) on described lower piece housing, sand feeding hole (16) is arranged on the lateral surface of the housing relative with material input port (11) with garbage leachate import (17), and the position of sand feeding hole (16) and garbage leachate import (17) all is in the top of the layer of sand of boiling during fluidized state higher than fluidisation sand.
5. refuse gasification boiler according to claim 1, it is characterized in that: described material input port (11) is skewed axis towards lower piece housing downwards, and the side of described material input port (11) is provided with broken coal import (18).
6. refuse gasification boiler according to claim 1, it is characterized in that: the both sides of described housing (10) are symmetrically arranged with two air chests (30) along the axis of lower piece housing, are provided with on two air chests (30) relatively to stretch out and the diffuser (20) of arrangement interlaced with each other; Described diffuser (20) is along level to running through housing (10), and the axis of diffuser (20) is all parallel to each other and be on same level, and an end of diffuser (20) is connected with air chest (30), other end sealing.
7. refuse gasification boiler according to claim 5, it is characterized in that: the position that described lower piece housing is positioned at boss place downside is provided with to the recess (15) of housing (10) inner recess, the top of the layer of sand the when least significant end of recess (15) is in the boiling fluidized state higher than fluidisation sand.
8. refuse gasification boiler according to claim 6, it is characterized in that: the air dispelling hole on described diffuser (20) is along level to the both sides that are arranged in diffuser (20).
9. refuse gasification boiler according to claim 7 is characterized in that: described recess (15) along the hypomere housing shaft to the cross section be the angle shape, the angle of angle is 80～100 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102345003A CN102338386B (en) | 2010-07-21 | 2010-07-21 | Garbage gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102345003A CN102338386B (en) | 2010-07-21 | 2010-07-21 | Garbage gasification furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102338386A CN102338386A (en) | 2012-02-01 |
| CN102338386B true CN102338386B (en) | 2013-06-05 |
Family
ID=45514255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102345003A Active CN102338386B (en) | 2010-07-21 | 2010-07-21 | Garbage gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102338386B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113834068B (en) * | 2021-09-13 | 2024-04-16 | 浙江天象环境服务有限公司 | High-temperature pretreatment system and method for smoke reflux type cement kiln co-treatment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104390U (en) * | 1991-05-25 | 1992-05-13 | 同济大学 | Fluid-bed gasifying furnace for city refuse |
| EP0908672A1 (en) * | 1996-06-25 | 1999-04-14 | Ebara Corporation | Method for fusion treating a solid waste for gasification |
| CN101713543A (en) * | 2009-02-24 | 2010-05-26 | 刘沪滨 | Sludge incinerator with no auxiliary fuel |
| CN201795493U (en) * | 2010-07-21 | 2011-04-13 | 安徽海螺集团有限责任公司 | Waste gasification furnace |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4295291B2 (en) * | 2006-03-31 | 2009-07-15 | 三菱重工環境エンジニアリング株式会社 | Fluidized bed gasifier and its fluidized bed monitoring and control method |
-
2010
- 2010-07-21 CN CN2010102345003A patent/CN102338386B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2104390U (en) * | 1991-05-25 | 1992-05-13 | 同济大学 | Fluid-bed gasifying furnace for city refuse |
| EP0908672A1 (en) * | 1996-06-25 | 1999-04-14 | Ebara Corporation | Method for fusion treating a solid waste for gasification |
| CN101713543A (en) * | 2009-02-24 | 2010-05-26 | 刘沪滨 | Sludge incinerator with no auxiliary fuel |
| CN201795493U (en) * | 2010-07-21 | 2011-04-13 | 安徽海螺集团有限责任公司 | Waste gasification furnace |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2007-271203A 2007.10.18 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102338386A (en) | 2012-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105333439B (en) | Secondary high-temperature gasification incineration system for garbage | |
| US20170218274A1 (en) | Waste Incinerator | |
| CN1916490B (en) | Smokeless burning technique and equipment with fire fontanel being setup inside furnace | |
| CN105202545A (en) | Garbage pyrolysis gasification incineration treatment device | |
| CN102322630A (en) | The macromolecular substances high-efficiency cleaning uses method and device | |
| CN202419675U (en) | Gas-liquid integrated incineration device | |
| CN203893189U (en) | Incineration cracking type garbage harmless treatment device | |
| CN207762914U (en) | A kind of fluid bed solids trash burner | |
| CN103939910A (en) | Garbage incinerator | |
| CN201047665Y (en) | Atmospheric water heating boiler producing gas by environment protection energy-saving fire coal and stalk | |
| CN106402894A (en) | Large-size hazardous waste rotary kiln type incinerator device taking sludge as main target | |
| CN201795493U (en) | Waste gasification furnace | |
| CN205119075U (en) | Garbage pyrolytic gasification incineration disposal device | |
| CN102338386B (en) | Garbage gasification furnace | |
| CN104315521A (en) | Horizontal rotary gasification furnace with wheel encircling grate | |
| CN102338385B (en) | Garbage gasification furnace with detection device | |
| CN204358732U (en) | Pocket wheel fire grate horizontal revolving gasification furnace | |
| JP4589832B2 (en) | Incinerator | |
| CN2926834Y (en) | Vertical refuse incinerator with layered combustion | |
| CN201795492U (en) | Refuse gasification furnace with detection device | |
| CN209341261U (en) | A kind of waste incinerator | |
| CN203082892U (en) | Rural garbage harmless treatment device | |
| CN205332223U (en) | Heat conduction formula garbage pyrolytic gasifier | |
| CN204880130U (en) | Domestic waste , landfill leachate's marsh gas and mud co -combustion's burning furnace that burns | |
| CN201983272U (en) | Novel solid waste incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |