CN209481578U - Multiinjector dry powder gasification furnace - Google Patents
Multiinjector dry powder gasification furnace Download PDFInfo
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- CN209481578U CN209481578U CN201821905696.2U CN201821905696U CN209481578U CN 209481578 U CN209481578 U CN 209481578U CN 201821905696 U CN201821905696 U CN 201821905696U CN 209481578 U CN209481578 U CN 209481578U
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- vaporizer
- burner
- shell
- dry powder
- gasification furnace
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses multiinjector dry powder gasification furnaces, comprising: shell, overhead burner, side burner, radiation waste pot and deslagging pond, wherein forms vaporizer in shell, water-cooling wall is provided in vaporizer, the bottom crimp of shell forms vaporizer slag notch；Burner includes overhead burner and side burner, and overhead burner is arranged on the roof of shell and is suitable for vaporizer injection dried coal powder, oxygen and steam；Side burner is arranged on the side wall of shell and is suitable for vaporizer injection dried coal powder, oxygen and steam；Radiation waste pot is connected with vaporizer slag notch, and fin panel casing and multiple water-cooling screens are provided in radiation waste pot, and multiple water-cooling screens are uniformly distributed circumferentially and are connected respectively by fin with fin panel casing, has crude synthesis gas outlet on the lower sides of radiation waste pot；Deslagging pond is connected with the bottom of radiation waste pot, and the bottom in deslagging pond has slag-drip opening.Therefore, the multiinjector dry powder gasification furnace of the utility model has the advantages that coal dust high conversion rate and capacity usage ratio are high.
Description
Technical field
The utility model belongs to gasification furnace field, specifically, the utility model relates to multiinjector dry powder gasification furnaces.
Background technique
Currently, mature gasification of high-pressure pulverized coal technology can be divided into dry-coal feeding and water-coal-slurry charging from feeding manner.
Being mainly characterized by for dry-coal feeding is high compared to water-coal-slurry charging capacity usage ratio, and effectively Gas content is high in synthesis gas, and for
Low-quality, the coal of high ash melting point generally use dry-coal feeding mode.It is arranged further according to nozzle, gasification furnace is divided into single injector top
It sets and multi-jet gasification furnace.For the gasification furnace of single injector overhead, residence time of material is short, leads to the efficiency of carbon con version of gasification furnace
Low, multi nozzle of gasification furnace solves the problems, such as that the residence time is short, and can be easier to carry out enlargement.
Since air-current bed gasification process temperature reaches 1300 DEG C or more, gasification product contains a large amount of high-order sensible heat, if
Using traditional chilling process, the loss of energy will be caused, therefore gas will effectively be utilized using the gasification process of pot destroying process
Change the high-order sensible heat of product, improves energy utilization efficiency.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this purpose, this reality
It is to propose a kind of multiinjector dry powder gasification high with capacity usage ratio, fine coal efficiency of carbon con version is high with a novel purpose
Furnace.
One aspect according to the present utility model, the utility model proposes a kind of multiinjector dry powder gasification furnaces, according to this
The embodiment of utility model, the multiinjector dry powder gasification furnace include:
Shell, the shell is interior to form vaporizer, and water-cooling wall is provided in the vaporizer, and the bottom of the vaporizer is received
Contracting forms vaporizer slag notch；
Overhead burner, the overhead burner are arranged on the roof of the shell and are suitable for spraying into the vaporizer dry
Fine coal, oxygen and steam；
Side burner, the side burner are arranged on the side wall of the shell and are suitable for spraying into the vaporizer dry
Fine coal, oxygen and steam；
Radiation waste pot, the radiation waste pot are connected with the vaporizer slag notch, are provided with membrane type in the radiation waste pot
Water-cooling wall and multiple water-cooling screens, the multiple water-cooling screen are uniformly distributed circumferentially and respectively by fin and the fin panel casings
It is connected, there is crude synthesis gas outlet on the lower sides of the radiation waste pot；
Deslagging pond, the deslagging pond are connected with the bottom of the radiation waste pot, and the bottom in the deslagging pond has slag-drip opening.
The multiinjector dry powder gasification furnace of the utility model above-described embodiment as a result, firstly, since gasification furnace roof and
It is respectively provided with overhead burner and side burner on side wall, and then overhead burner and side burner can be utilized to vaporizer simultaneously
Injection dried coal powder, oxygen and steam in 110.Due to the positional relationship of overhead burner and side burner, can to spray into dry
Fine coal, oxygen and steam can be hit in vaporizer, improve the indoor percussion flow of gasification, increase dried coal powder and oxygen
With the mixed effect of steam so that dried coal powder can full combustion gasification, further increase the efficiency of carbon con version of dried coal powder.Separately
Outside, radiation waste pot is connected in the bottom of gasification furnace, further improves capacity usage ratio.
In addition, can also have following additional skill according to the multiinjector dry powder gasification furnace of the utility model above-described embodiment
Art feature:
In the present invention, fire rod is provided in the overhead burner.
In the present invention, the side burner includes at least two.
In the present invention, the side burner is uniformly distributed circumferentially on the side wall of the shell.
In the present invention, the side burner sprays in the horizontal direction.
In the present invention, the vertical distance of the side burner and the overhead burner is 0.1-0.5D, and wherein D is
The internal diameter of the shell.
Detailed description of the invention
Fig. 1 is the structural schematic diagram according to the multiinjector dry powder gasification furnace of the utility model one embodiment.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
One aspect according to the present utility model, the utility model proposes a kind of multiinjector dry powder gasification furnaces.It is right below
The multiinjector dry powder gasification furnace of the utility model specific embodiment is described in detail.
As shown in Figure 1, including: shell 100, overhead according to the multiinjector dry powder gasification furnace of the utility model specific embodiment
Burner 200, side burner 300, radiation waste pot 400 and deslagging pond 500.
Wherein, vaporizer 110 is formed in shell 100, is provided with water-cooling wall 120, the bottom of shell 100 in vaporizer 110
Contraction forms vaporizer slag notch 130；Overhead burner 200 is arranged on the roof of shell 100 and is suitable for spraying into vaporizer 110
Blackberry lily fine coal, oxygen and steam；Side burner 300 is arranged on the side wall of shell 100 and is suitable for spraying into vaporizer 110 dry
Fine coal, oxygen and steam；Radiation waste pot 400 is connected with vaporizer slag notch 130, is provided with film-type water-cooling in radiation waste pot 400
Wall 410 and multiple water-cooling screens 420, multiple water-cooling screens 420 are uniformly distributed circumferentially and respectively by fin and fin panel casings 410
It is connected, there is crude synthesis gas outlet 430 on the lower sides of radiation waste pot 400；The bottom in deslagging pond 500 and radiation waste pot 400
It is connected, the bottom in deslagging pond 500 has slag-drip opening 510.
The multiinjector dry powder gasification furnace of the utility model above-described embodiment as a result, firstly, since gasification furnace roof and
It is respectively provided with overhead burner 200 and side burner 300 on side wall, and then can be burnt simultaneously using overhead burner 200 and side
Mouth 300 sprays dried coal powder, oxygen and steam into vaporizer 110.Since the position of overhead burner 200 and side burner 300 is closed
System can make the dried coal powder, oxygen and the steam that spray into that can hit in vaporizer, improve the indoor shock of gasification
Stream, increase fine coal and oxygen and steam mixed effect so that fine coal can full combustion gasify, further increase fine coal
Efficiency of carbon con version.In addition, connecting radiation waste pot 400 in the bottom of vaporizer 110, capacity usage ratio is further improved.
Specific embodiment according to the present utility model, overhead burner 200 are arranged on the roof of shell 100 and are suitable for gas
Change room 110 and sprays dried coal powder, oxygen and steam.Specifically, fire rod is provided in overhead burner 200.And then it effectively realizes a little
Fire.
Preferably, side burner 300 includes at least two, and two side burners 300 or multiple side burners 300
Be arranged in the same level of shell 100, and circumferentially on be uniformly distributed.And then it can guarantee that the material sprayed into can have
Effect is hit, and is increased the mixed effect of fine coal and oxygen and steam, is improved the efficiency of carbon con version of fine coal.
Specific example according to the present utility model, side burner 300 spray in the horizontal direction.And then penetrating can be made
There is material biggish impact force to reach best mixed effect with oxygen and steam so that fine coal is adequately dispersed, and improve
The efficiency of carbon con version of fine coal.
Specific example according to the present utility model, side burner 300 and the vertical distance H of overhead burner 200 can be
0.1-0.5D, D refer to the internal diameter of gasification furnace shell 100.Specifically, which can refer to that side burner 300 and overhead are burnt
Distance at the jet exit center of mouth 200 is in the distance range.Material is increased as a result, in the residence time of encephalic, together
When increase turbulence intensity in furnace, keep material Combination preferable.
In addition, synthesis gas sensible heat can be recycled in time and effectively by the way that radiation waste pot 400 is arranged below gasification furnace, so that
Heat can be reused.Specifically, fin panel casing 410 and multiple water-cooling screens 420 are provided in radiation waste pot 400, it is more
A water-cooling screen 420 is uniformly distributed circumferentially and is connected respectively by fin with fin panel casing 410, the lower part of radiation waste pot 400
There is crude synthesis gas outlet 430 on side wall.Therefore, the synthesis gas generated in gasification furnace enters in radiation waste pot 400 to be arranged in downlink
Radiation heat transfer is carried out with fin panel casing 410 and multiple water-cooling screens 420 during out, and then it is aobvious effectively to recycle synthesis gas
Heat and simultaneously cool down to synthesis gas, and avoid dust stratification block up slag the problems such as.
Therefore the multiinjector dry powder gasification furnace of the utility model above-described embodiment is burnt by setting overhead on setting gasification furnace
Mouth 200 connects radiation waste pot 400 with side burner 300 and in the bottom of vaporizer 110, not only significantly improves the carbon of fine coal
Conversion ratio further improves capacity usage ratio.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
It can be combined in any suitable manner in any one or more embodiment or examples.In addition, without conflicting with each other, this field
Technical staff can carry out the feature of different embodiments or examples described in this specification and different embodiments or examples
Combination and combination.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (6)
1. a kind of multiinjector dry powder gasification furnace characterized by comprising
Shell, the shell is interior to form vaporizer, is provided with water-cooling wall, the bottom crimp shape of the vaporizer in the vaporizer
At vaporizer slag notch；
Overhead burner, the overhead burner are arranged on the roof of the shell and are suitable for spraying dry powder into the vaporizer
Coal, oxygen and steam；
Side burner, the side burner are arranged on the side wall of the shell and are suitable for spraying dry powder into the vaporizer
Coal, oxygen and steam；
Radiation waste pot, the radiation waste pot are connected with the vaporizer slag notch, are provided with film-type water-cooling in the radiation waste pot
Wall and multiple water-cooling screens, the multiple water-cooling screen are uniformly distributed circumferentially and respectively by fin and the fin panel casing phases
Even, there is crude synthesis gas outlet on the lower sides of the radiation waste pot；
Deslagging pond, the deslagging pond are connected with the bottom of the radiation waste pot, and the bottom in the deslagging pond has slag-drip opening.
2. multiinjector dry powder gasification furnace according to claim 1, which is characterized in that be provided with igniting in the overhead burner
Stick.
3. multiinjector dry powder gasification furnace according to claim 1, which is characterized in that the side burner includes at least two
It is a.
4. multiinjector dry powder gasification furnace according to claim 3, which is characterized in that the side burner is in the shell
It is uniformly distributed circumferentially on side wall.
5. multiinjector dry powder gasification furnace according to claim 4, which is characterized in that the side burner sprays in the horizontal direction
It penetrates.
6. multiinjector dry powder gasification furnace according to claim 5, which is characterized in that the side burner and the overhead are burnt
The vertical distance of mouth is 0.1-0.5D, and wherein D is the internal diameter of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905696.2U CN209481578U (en) | 2018-11-19 | 2018-11-19 | Multiinjector dry powder gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821905696.2U CN209481578U (en) | 2018-11-19 | 2018-11-19 | Multiinjector dry powder gasification furnace |
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| Publication Number | Publication Date |
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| CN209481578U true CN209481578U (en) | 2019-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821905696.2U Active CN209481578U (en) | 2018-11-19 | 2018-11-19 | Multiinjector dry powder gasification furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504445A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Multiinjector dry powder gasification furnace |
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2018
- 2018-11-19 CN CN201821905696.2U patent/CN209481578U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109504445A (en) * | 2018-11-19 | 2019-03-22 | 清华大学山西清洁能源研究院 | Multiinjector dry powder gasification furnace |
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