CN208104314U - The novel fixed bed slag gasification installation of middle section outlet - Google Patents
The novel fixed bed slag gasification installation of middle section outlet Download PDFInfo
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- CN208104314U CN208104314U CN201820244493.7U CN201820244493U CN208104314U CN 208104314 U CN208104314 U CN 208104314U CN 201820244493 U CN201820244493 U CN 201820244493U CN 208104314 U CN208104314 U CN 208104314U
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Abstract
The utility model relates to a kind of novel fixed bed slag gasification installations of middle section outlet, including the furnace body that gasifies, gasification furnace body includes furnace shell and the water-cooling structure that is arranged on the inside of furnace shell, inner member support column is fixedly connected in the top center of gasification furnace body, inner member support column is arranged as the star-like gas passage and gas collecting tube of gasification furnace furnace interior for fixed support along the central axes arrangement of gasification furnace body；It is provided with transitional storehouse at the top of gasification furnace body, feed inlet is provided at the top of transitional storehouse, the bottom of transitional storehouse is connected to by ring-shaped charging mouth with gasification furnace body；The top of star-like gas passage and one end of gas collecting tube connect, and the other end of gas collecting tube is connect with the gas exit that gasification furnace upper of furnace body is arranged in；Nitrogen inlet is provided at the top of gasification furnace body；In the one circle gasifying agent nozzle of lower part setting of gasification furnace body, slag-drip opening is set in the bottom of water-cooling structure；The bottom of furnace shell is fixedly connected by flange with shock chamber.
Description
Technical field
The utility model relates to a kind of novel fixed bed slag gasification installations of middle section outlet, belong to coal gasification apparatus neck
Domain.
Background technique
Usually there are two types of structure types for typical pressurization static bed slag gasification furnace, and one is updraft type structures, one is under
Suction structures.The former is added gasified raw material by gasification furnace furnace roof, is contacted in gasification furnace with the back flow of gas of rising, from top to bottom
It forms high-temperature slag by drying, destructive distillation, gasification and final oxidizing fire to discharge out of the furnace, the gas of rising is after each conversion zone
It is discharged from furnace roof.Sufficiently, Outlet Gas Temperature is lower for type of furnace gas-particle two-phase heat transfer, and the thermal efficiency is high, and in the lime-ash being discharged
Phosphorus content is lower, and gasification efficiency is high.It, can be by tar and the direct band of vapor but since uprising gas passes through destructive distillation and dryer section
Gasification furnace out causes gas washing purification system more complex.
And gasification furnace is added from furnace roof simultaneously in downdraft structure, raw material and gasifying agent, gas enters gas after destructive distillation layer
Change and burning zone, the tar contained in gas are cracked by high temperature section, tar content reduction in exit gas.But it exports
Gas temperature is higher, and the thermal efficiency is caused to reduce, and in addition phosphorus content is higher in remaining ash, and content of ashes is higher in exit gas.
Summary of the invention
The problem of for background technique, the purpose of this utility model is to provide one kind do not produce or produce less tar and
The novel fixed bed slag gasification installation of the gasification higher middle section outlet of furnace thermal efficiency.
To achieve the above object, the utility model uses following technical scheme：A kind of novel fixed bed of middle section outlet is molten
Slag gasification installation, it is characterised in that：Including the furnace body that gasifies, the gasification furnace body includes furnace shell and is arranged in the furnace shell
The water-cooling structure of side is fixedly connected with inner member support column, the inner member support column in the top center of the gasification furnace body
Central axes along the gasification furnace body arrange that the star-like gas for being arranged as the gasification furnace furnace interior for fixed support is logical
Road and gas collecting tube；It is provided with transitional storehouse at the top of the gasification furnace body, feed inlet, institute are provided at the top of the transitional storehouse
The bottom for stating transitional storehouse is connected to by ring-shaped charging mouth with the gasification furnace body；The top of the star-like gas passage with it is described
One end of gas collecting tube connects, and the other end of the gas collecting tube is connect with the gas exit that the gasification furnace upper of furnace body is arranged in；
Nitrogen inlet is provided at the top of the gasification furnace body；Gasifying agent nozzle is enclosed in the lower part setting one of the gasification furnace body,
In the bottom of the water-cooling structure, slag-drip opening is set；The bottom of the furnace shell is fixedly connected by flange with shock chamber.
The top of the flange is fixedly connected by support plate with the slag-drip opening.
The furnace shell and water-cooling structure are cylinder-like structure and upper and lower ends are all made of closing in type arrangement.
The nozzle is along the circumferentially distributed and pairs of arrangement of the gasification furnace body, and every a pair of nozzles are about the gasification furnace
The central axes of furnace body are symmetrical.
The star-like gas passage is hollow plate structure, and the star-like gas passage is multiple and circumferentially fixation point
Cloth is on the inner member support column.The disposed inboard of the water-cooling structure has refractory material.
The refractory material that the water-cooling structure lower part is arranged is corundum, Gao Ge, silicon carbide or silicon nitride, the water cooling knot
The refractory material that structure middle and upper part is arranged is clayey, High-Alumina, diatomite, calcium silicates or siliceous.
The utility model has the following advantages that due to taking above technical scheme：1, the novel fixation of the utility model
Bed slag gasification installation using the outlet of middle section by the way of, the high-temperature gas that is generated from gasification section without dry with destructive distillation layer, because
It is very low almost without tar or tar content in this outlet coal gas.2, the utility model coal gas of high temperature by star-like gas passage with
The raw material that gasification furnace body is added carries out indirect heat exchange, not only reduces the temperature of outlet coal gas, but also plays to the raw material of addition pre-
The effect of heat.3, the tar that the utility model retort process generates cracks by high-temperature region, can both reduce gasification furnace
Tar yield, the product after cracking also can be improved the yield and quality of outlet coal gas.4, the drying of traditional gasification furnace generates
Directly gasification furnace is discharged with coal gas in vapor, causes the raising of waste water yield, the vapor that the utility model dryer section generates
Gasification section can be entered and participate in gasification reaction, on the one hand can reduce gasifying agent to the demand of vapor, it on the other hand can be with
Reduce the waste water yield in outlet coal gas.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 be in Fig. 1 A-A to schematic cross-sectional view.
Specific embodiment
The utility model is described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of novel fixed bed slag gasification installation of middle section outlet, packets
Gasification furnace body 1 is included, gasification furnace body 1 includes furnace shell 2 and the water-cooling structure 3 that 2 inside of furnace shell is arranged in, in gasification furnace body 1
Top center be fixedly connected with inner member support column 4, inner member support column 4 is arranged along the central axes of gasification furnace body 1, for solid
Fixed support is arranged in star-like gas passage 5 and gas collecting tube 6 inside gasification furnace body 1.It is provided at the top of gasification furnace body 1
Transitional storehouse 7, the top of transitional storehouse 7 are provided with feed inlet 8, and the bottom of transitional storehouse is connected by ring-shaped charging mouth 9 and gasification furnace body 1
It is logical.The top of star-like gas passage 5 is connect with one end of gas collecting tube 6, and the other end of gas collecting tube 6 and setting are in gasification furnace body 1
The gas exit 10 on top connects.Nitrogen inlet 11 is provided at the top of gasification furnace body 1.It is set in the lower part of gasification furnace body 1
A circle gasifying agent nozzle 12 is set, slag-drip opening 13 is set in the bottom of water-cooling structure 3.The bottom of furnace shell 2 passes through flange and shock chamber
14 are fixedly connected.
Further, the top of flange is fixedly connected by support plate 15 with slag-drip opening 13.
Further, furnace shell 2 and water-cooling structure 3 are cylinder-like structure and upper and lower ends are all made of closing in type arrangement.
Further, circumferentially distributed and pairs of arrangement of the gasifying agent nozzle 12 along gasification furnace body 1, every a pair of gasifying agent spray
Mouth 12 is symmetrical about the central axes of gasification furnace body 1.
Further, star-like gas passage 5 is hollow plate structure, and star-like gas passage 5 is multiple and circumferentially solid
Surely it is distributed on inner member support column 4.
Further, 3 disposed inboard of water-cooling structure has refractory material, and the refractory material arranged on different height is different,
The refractory material that 3 lower part of water-cooling structure is arranged need to have stronger heating conduction, and there is stronger anti-clinker and molten iron to invade
The ability of erosion, preferably corundum, Gao Ge, silicon carbide or silicon nitride etc.；The refractory material that 3 middle and upper part of water-cooling structure uses need to have absolutely
Clayey, High-Alumina, diatomite, calcium silicates or siliceous can be selected in the refractory material of hot property.
The course of work and principle of the utility model are as follows：(1) gasified raw material is by the ring-shaped charging at the top of gasification furnace body 1
Mouth 9 enters in furnace, passes through wall surface with the high-temperature gas in star-like gas passage 5 and carries out indirect heat exchange, drying and destructive distillation occurs
Journey, the dry vapor generated come downwards to gasification and burning zone with raw material with the tar that destructive distillation generates.(2) gasifying agent passes through
Gasification furnace body 1 is added in gasifying agent nozzle 12, and combustion reaction occurs with raw material, forms high-temperature region.The high-temperature gas of generation is under
Reduction obtains coal gas product to capable vapor in gasification section together, is pooled to gas collecting tube 6 by star-like gas passage 5, and lead to
Cross the discharge gasification furnace body 1 of gas exit 10.The coal tar of downlink occurs to crack and be burnt after high temperature section, the gas of generation
The discharge gasification furnace body together with coal gas.(3) shallow bid nitrogen is passed through into furnace from the nitrogen inlet 11 at 1 top of gasification furnace body,
It prevents coal gas from accumulating in top of gasification furnace, forms dead zone.(4) lime-ash after reaction is in molten condition in high-temperature region, and is being gasified
The accumulation of 1 bottom of furnace body.The melt cinder of accumulation condenses on water-cooling structure 3, forms one layer of crust block, can play with the work of slag anti-slag
With the service life of extension slag area refractory material and water-cooling structure 3.(5) after melt cinder is accumulated to a certain amount, pass through gasification
The slag-drip opening 13 of 1 bottom of furnace body is discharged into 14 in shock chamber, is cooled to glassy state rapidly by coolant liquid in shock chamber 14
Condense slag, final discharge gasification furnace body 1.
The utility model is only illustrated with above-described embodiment, and structure, setting position and its connection of each component are all can
It is all that individual part is carried out according to the utility model principle on the basis of technical solutions of the utility model with what is be varied
Improvement and equivalents, should not exclude except the protection scope of the utility model.
Claims (7)
1. a kind of novel fixed bed slag gasification installation of middle section outlet, it is characterised in that：Including the furnace body that gasifies, the gasification
Furnace body includes furnace shell and the water-cooling structure that is arranged on the inside of the furnace shell, is connected the top center of the gasification furnace body is fixed
Inner member support column is connect, the inner member support column is arranged along the central axes of the gasification furnace body, for fixed support arrangement
In the star-like gas passage and gas collecting tube of the gasification furnace furnace interior；Transition is provided at the top of the gasification furnace body
Storehouse, feed inlet is provided at the top of the transitional storehouse, and the bottom of the transitional storehouse passes through ring-shaped charging mouth and the gasification furnace furnace
Body connection；The top of the star-like gas passage is connect with one end of the gas collecting tube, the other end of the gas collecting tube and setting
It is connected in the gas exit of the gasification furnace upper of furnace body；Nitrogen inlet is provided at the top of the gasification furnace body；Described
The one circle gasifying agent nozzle of lower part setting of gasification furnace body, is arranged slag-drip opening in the bottom of the water-cooling structure；The furnace shell
Bottom is fixedly connected by flange with shock chamber.
2. the novel fixed bed slag gasification installation of middle section outlet as described in claim 1, it is characterised in that：The flange
Top is fixedly connected by support plate with the slag-drip opening.
3. the novel fixed bed slag gasification installation of middle section outlet as described in claim 1, it is characterised in that：The furnace shell and
Water-cooling structure is cylinder-like structure and upper and lower ends are all made of closing in type arrangement.
4. the novel fixed bed slag gasification installation of middle section outlet as described in claim 1, it is characterised in that：The nozzle edge
The circumferentially distributed and pairs of arrangement of the gasification furnace body, every a pair of nozzles are symmetrical about the central axes of the gasification furnace body.
5. the novel fixed bed slag gasification installation of middle section outlet as described in claim 1, it is characterised in that：The star-like gas
Body channel is hollow plate structure, and the star-like gas passage is multiple and circumferentially stationary distribution is supported in the inner member
On column.
6. the novel fixed bed slag gasification installation of middle section outlet as described in claim 1, it is characterised in that：The water cooling knot
The disposed inboard of structure has refractory material.
7. the novel fixed bed slag gasification installation of middle section outlet as claimed in claim 6, it is characterised in that：The water cooling knot
The refractory material that structure lower part is arranged is corundum, Gao Ge, silicon carbide or silicon nitride, and the water-cooling structure middle and upper part is arranged resistance to
Fiery material is clayey, High-Alumina, diatomite, calcium silicates or siliceous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244493.7U CN208104314U (en) | 2018-02-11 | 2018-02-11 | The novel fixed bed slag gasification installation of middle section outlet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244493.7U CN208104314U (en) | 2018-02-11 | 2018-02-11 | The novel fixed bed slag gasification installation of middle section outlet |
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| CN208104314U true CN208104314U (en) | 2018-11-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148634A (en) * | 2018-02-11 | 2018-06-12 | 煤炭科学技术研究院有限公司 | A kind of novel fixed bed slag gasification installation of stage casing outlet |
| CN112608769A (en) * | 2020-12-31 | 2021-04-06 | 苏州允清环境能源科技有限公司 | Organic solid waste epitaxial annular cavity gas guide fixed bed gasification furnace and gasification method |
-
2018
- 2018-02-11 CN CN201820244493.7U patent/CN208104314U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108148634A (en) * | 2018-02-11 | 2018-06-12 | 煤炭科学技术研究院有限公司 | A kind of novel fixed bed slag gasification installation of stage casing outlet |
| CN108148634B (en) * | 2018-02-11 | 2023-09-12 | 煤炭科学技术研究院有限公司 | Novel fixed bed slag gasification device with middle section air outlet |
| CN112608769A (en) * | 2020-12-31 | 2021-04-06 | 苏州允清环境能源科技有限公司 | Organic solid waste epitaxial annular cavity gas guide fixed bed gasification furnace and gasification method |
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