CN201795493U - Waste gasification furnace - Google Patents
Waste gasification furnace Download PDFInfo
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- CN201795493U CN201795493U CN2010202682464U CN201020268246U CN201795493U CN 201795493 U CN201795493 U CN 201795493U CN 2010202682464 U CN2010202682464 U CN 2010202682464U CN 201020268246 U CN201020268246 U CN 201020268246U CN 201795493 U CN201795493 U CN 201795493U
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- housing
- sand
- diffuser
- casing
- refuse gasification
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Abstract
The utility model belongs to the technical field of waste incineration, and particularly relates to a waste gasification furnace, which comprises a tubular casing. A waste feed inlet and a smoke outlet are respectively arranged on the upper portion of the casing, a slag outlet is arranged on the lower portion of the casing, fluidized sand is filled in the lower middle portion of the casing, gas diffusion pipes penetrate into the casing from outside of the casing to be embedded in the fluidized sand, gas inlet ends of the gas diffusion pipes are positioned outside the casing and connected with hot air furnaces, gas diffusion holes are arranged on pipe bodies of the gas diffusion pipes inside the casing, and the hot air furnaces match with the gas diffusion pipes so as to lead the fluidized sand to be in a stationary deposited state or a boiling fluidized state. The waste gasification furnace can easily carry out waste pretreatment, incineration and gasification, prevents stink of the waste from diffusing, reduces work load of slag discharging and conveying after waste incineration and gasification, provides combustible gas sources for other incinerators or cement kilns, and is favorable for subsequent treatment of waste incineration.
Description
Technical field
The utility model belongs to the garbage incineration technology field, is 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: main component is without the surplus class rubbish in kitchen of crossing sorting in China's house refuse, because kitchen surplus class rubbish stench is serious, the difficulty of sorting is bigger once more simultaneously; And the seasonal amplitude of variation of refuse thermal value water content big and rubbish is higher.
Because of house refuse is mainly the surplus class rubbish in kitchen, and 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 in incinerator, add more fuel, cause the waste of fuel; Though and the incinerator kind that China researchs and develops out voluntarily is more, and the suitable burning disposal China of part type rubbish is arranged also wherein, but its incineration temperature is lower, can only reach 600～800 ℃ incineration temperature as most incinerators, to produce a large amount of dioxin and furans owing to be in the incineration firing of this temperature section, gas combustion simultaneously is incomplete, contains a large amount of organic matters in the incineration flue gas, and therefore the pollution that 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 utility model provides a kind of refuse gasification boiler, its simple in structure and processing China house refuse that is suitable for burning.
For achieving the above object, the utility model 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 the fluidisation sand from the outside of housing, the inlet end that diffuser is positioned at hull outside links to each other with hot-blast stove, the pipe shaft that diffuser is positioned at the housing inboard is provided with air dispelling hole, and hot-blast stove cooperates with diffuser makes fluidisation sand be in static sedimentation state or boiling fluidized state.
Technique effect of the present utility model is: do not carrying out degree of depth sorting based on China's house refuse, under the not high situation of calorific value, adopt the fluidisation sand ebullition, gasification rubbish in the gasifying furnace device, because the temperature that gasification rubbish needs is more much lower than the operating temperature of existing incinerator, therefore the utility model can relatively easily carry out the rubbish preliminary treatment, burn and gasification rubbish, prevented the stench diffusion of rubbish, reduced the deslagging that burns behind the gasification rubbish, the workload of mucking haulage, also provide flammable source of the gas, helped the subsequent treatment of waste incineration for other incinerators or cement kiln.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
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 the fluidisation sand from the outside of housing 10, the inlet end that diffuser 20 is positioned at hull outside links to each other with hot-blast stove, the pipe shaft that diffuser 20 is positioned at the housing inboard is provided with air dispelling hole, and hot-blast stove cooperates with diffuser 20 makes fluidisation sand be in static sedimentation state or boiling fluidized state.
Hot-blast stove blasts 500 ℃ hot blast when starting working in housing 10 by diffuser 20, hot blast is discharged by the air dispelling hole on the 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 the 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 broken rubbish smooth combustion of housing 10 inboards, hot-blast stove no longer continues to provide hot blast, gets final product and only need blast normal temperature air in housing 10; Incombustible such as the iron branch that contains in the rubbish, aluminium branch and rubble are discharged together from the slag-drip opening 13 and the fluidisation sand of housing 10 bottoms.
Fluidisation sand in the utility model is quartz sand, and described material input port 11 also is a garbage inlet.
As shown in Figure 1, 2, described housing 10 is from being made up 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 the 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 for use 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 causing abnormal pressure in the gasification furnace because of operate miss etc., relief valve will discharge furnace pressure to reach effect of easing stress and to protect gasification furnace injury-free to atmosphere automatically and rapidly.
As preferred version of the present utility model, 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 following piece housing is circular, the shape of cross section of upper casing is semicircle or arc, the circular outside face of described piece housing down and upper casing is positioned on the same periphery, the side of following 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 on down in the piece housing, and the position of described boss 14 is higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state.
The cross section of described following piece housing is also promptly perpendicular to the cross section of descending piece housing axis direction, because fluidisation sand branch is in static sedimentation state or boiling fluidized state, therefore fluidisation sand be in the boiling fluidized state time the top of the layer of sand layer of sand top will be higher than it and be in static sedimentation state the time, the position of boss 14 is higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state, can guarantee the abundant mixing of fluidisation sand and rubbish and the smooth combustion gasification of rubbish.
As shown in Figure 2, it is skewed towards the following axis of piece housing that described material input port 11 is downwards, and this setup makes the sewage in rubbish and the rubbish can fall into the centre of gasification furnace, burns the dead angle to prevent to form 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 utility model, as shown in Figure 2, the position that described piece housing down is positioned at boss place downside is provided with the recess 15 to housing 10 inner recess, and the least significant end of recess 15 is higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state.
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 the center towards gasification furnace, and owing to recess lower inclined plane 151 is upwards and to upper casing, therefore recess 15 itself also plays the function of guiding flue gas flow direction upper casing, helps the smooth discharge of flue gas.
Further, the side of described material input port 11 is provided with broken coal import 18, when then 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, described piece housing down is provided with sand feeding hole 16 and garbage leachate import 17, 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 higher than fluidisation sand and being in the boiling fluidized state.
As shown in Figure 3, the both sides of described housing 10 are symmetrically arranged with 30, two air chests 30 of two air chests along the following axis of piece housing and are provided with and stretch out relatively and the diffuser 20 of arrangement interlaced with each other; To running through housing 10, and the axis of diffuser 20 is all parallel to each other and be on the same horizontal plane along level for described diffuser 20, and an end of diffuser 20 is connected with air chest 30, other end sealing.
Air dispelling hole on the described diffuser 20 along level to the both sides that are arranged in diffuser 20.
Diffuser 20 promptly 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 installed in the both sides of housing 10 respectively, on each diffuser 20 same horizontal planes that are arranged in the 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 from air dispelling hole to high pressure positive blower in gasification furnace 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 the insulation measure.
Be described further below in conjunction with 1～3 pair of the utility model of accompanying drawing:
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 the empty tube 10a of portion, fluidized bed 10b, mobile layer 10c from top to bottom successively.The described empty tube 10a of portion comprises the top of the fluidisation sand boiling range of upper casing and following piece housing, and the inside of the empty tube 10a of portion is cavity, the space that mainly provides house refuse input and flue gas upwards to discharge; Fluidized bed 10b mainly provides the space of 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, lime-ash behind the consumer waste incineration in this zone and fluidisation sand under the gravity effect gradually downwards slag-drip opening 13 move, finally discharge by conveying equipment.
The utility model 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 (10)
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 the fluidisation sand from the outside of housing (10), the inlet end that diffuser (20) is positioned at hull outside links to each other with hot-blast stove, the pipe shaft that diffuser (20) is positioned at the housing inboard is provided with air dispelling hole, and hot-blast stove cooperates with diffuser (20) makes fluidisation sand be in static sedimentation state or boiling fluidized state.
2. refuse gasification boiler according to claim 1, it is characterized in that: described housing (10) is long tubular, and housing (10) is divided into the two sections that interconnect, the shape of cross section of following piece housing is circular, the shape of cross section of upper casing is semicircle or arc, the circular outside face of described piece housing down and upper casing is positioned on the same periphery, the side of following 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 on down in the piece housing, and the position of described boss (14) is higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state.
3. refuse gasification boiler according to claim 1 and 2 is characterized in that: described housing (10) is from being made up of steel plate (101), refuge floor (102) and flame retardant coating (103) outside to inside.
4. refuse gasification boiler according to claim 2 is characterized in that: described housing (10) locates to be provided with pressure-relief valve at exhanst gas outlet (12).
5. refuse gasification boiler according to claim 2, it is characterized in that: described piece housing down is provided with sand feeding hole (16) and garbage leachate import (17), 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 higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state.
6. refuse gasification boiler according to claim 2 is characterized in that: described material input port (11) is skewed axis towards following piece housing downwards, and the side of described material input port (11) is provided with broken coal import (18).
7. refuse gasification boiler according to claim 2, it is characterized in that: the both sides of described housing (10) are symmetrically arranged with two air chests (30) along the axis of piece housing down, and two air chests (30) are provided with and stretch out relatively and the diffuser (20) of arrangement interlaced with each other; To running through housing (10), and the axis of diffuser (20) is all parallel to each other and be on the same horizontal plane along level for described diffuser (20), and an end of diffuser (20) is connected with air chest (30), other end sealing.
8. refuse gasification boiler according to claim 6, it is characterized in that: the position that described piece housing down is positioned at boss place downside is provided with the recess (15) to housing (10) inner recess, and the least significant end of recess (15) is higher than the top that fluidisation sand is in the layer of sand when seething with excitement fluidized state.
9. refuse gasification boiler according to claim 7 is characterized in that: the air dispelling hole on the described diffuser (20) along level to the both sides that are arranged in diffuser (20).
10. refuse gasification boiler according to claim 8 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 |
|---|---|---|---|
| CN2010202682464U CN201795493U (en) | 2010-07-21 | 2010-07-21 | Waste gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202682464U CN201795493U (en) | 2010-07-21 | 2010-07-21 | Waste gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201795493U true CN201795493U (en) | 2011-04-13 |
Family
ID=43850399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202682464U Expired - Lifetime CN201795493U (en) | 2010-07-21 | 2010-07-21 | Waste gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201795493U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338386A (en) * | 2010-07-21 | 2012-02-01 | 安徽海螺集团有限责任公司 | Garbage gasification furnace |
| CN109943363A (en) * | 2019-03-27 | 2019-06-28 | 湖南薪火传环保科技有限责任公司 | Gas distribution plate and gasification furnace with it |
-
2010
- 2010-07-21 CN CN2010202682464U patent/CN201795493U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102338386A (en) * | 2010-07-21 | 2012-02-01 | 安徽海螺集团有限责任公司 | Garbage gasification furnace |
| CN102338386B (en) * | 2010-07-21 | 2013-06-05 | 安徽海螺集团有限责任公司 | Garbage gasification furnace |
| CN109943363A (en) * | 2019-03-27 | 2019-06-28 | 湖南薪火传环保科技有限责任公司 | Gas distribution plate and gasification furnace with it |
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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: 20110413 Effective date of abandoning: 20130605 |
|
| RGAV | Abandon patent right to avoid regrant |