CN103820167A - Synthetic gas outlet device of gasification furnace - Google Patents
Synthetic gas outlet device of gasification furnace Download PDFInfo
- Publication number
- CN103820167A CN103820167A CN201210461805.7A CN201210461805A CN103820167A CN 103820167 A CN103820167 A CN 103820167A CN 201210461805 A CN201210461805 A CN 201210461805A CN 103820167 A CN103820167 A CN 103820167A
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- Prior art keywords
- flow deflector
- vapourizing furnace
- syngas outlet
- gas
- flow
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- 238000002309 gasification Methods 0.000 title abstract description 7
- 238000005452 bending Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 239000000428 dust Substances 0.000 abstract description 2
- 238000009991 scouring Methods 0.000 abstract 1
- 230000009467 reduction Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000003245 coal Substances 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006200 vaporizer Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention relates to a synthetic gas outlet device of a gasification furnace, which comprises: baffle [1], gas outflow passageway [3], its characterized in that: the device also comprises a guide plate (2) which is additionally arranged between the baffle plate (1) and the gas outflow channel (3) and used for guiding the gas to be layered. When the dusty airflow flows through the turning position of the synthetic gas outlet of the gasification furnace, the airflow is layered due to the action of the guide plate, the original flow field distribution is changed, the speed at the outlet tends to be uniform, and the speed at the wall surface is greatly reduced. Because the speed of the dust-containing gas flow near the wall surface is reduced, the scouring effect of particles in the gas flow on the pipeline wall is weakened, the outlet pipeline is protected, the working condition of a synthetic gas outlet is improved, and the reliability of the gasification furnace is improved.
Description
Technical field
The present invention relates to a kind of fluid outlet device, specifically, relate to a kind of vapourizing furnace syngas outlet device.
Background technology
Gasification is a kind of technology that coal high-efficiency cleaning can be utilized.Coal obtains crude synthesis gas through gasification, crude synthesis gas is carried out to subsequent disposal and obtain process gas, can be used as the unstripped gas of synthetic ammonia or other Chemicals.
Vapourizing furnace is the key equipment in Coal Gasification Technology.Fine coal incomplete combustion generation crude synthesis gas in vapourizing furnace vaporizer is carried lime-ash secretly and is entered shock chamber, because washing is incomplete, still has the dust granule of suitable concentration in crude synthesis gas, and dust-laden synthetic gas is exported and flowed out vapourizing furnace by shock chamber, enters subsequent processing.
Syngas outlet is provided with curved baffle more at present, and dust-laden synthetic gas is turned back and entered syngas outlet through baffle plate.Because the general flow of synthetic air-flow is all very large, in air flow divert process, syngas outlet is subject to particle in air-flow and washes away, and wear pattern is serious, and the safety continuous operation of vapourizing furnace is caused to certain influence.
Summary of the invention
The object of this invention is to provide a kind of syngas outlet device, improve existing syngas outlet place wear pattern, improve vapourizing furnace reliability.
Technical scheme of the present invention is:
A kind of vapourizing furnace syngas outlet device, comprising: baffle plate [1], gas flow pass [3], is characterized in that: it is also included in the flow deflector [2] of the guiding gas layering of installing additional between baffle plate [1] and gas flow pass [3].As shown in Figure 1, by installing flow deflector additional at syngas outlet dust-contained airflow turning point, by air-flow layering, change Flow Field Distribution, air-flow is evenly distributed, has reduced greatly near the gas velocity of outlet conduit, thereby weakened the souring of dust-contained airflow to outlet conduit.
According to a preferred embodiment of the present invention, wherein, described flow deflector and air current flow direction are consistent, and bending part is arc transition.
According to another preferred embodiment of the present invention, wherein, flow deflector [2] horizontal section is positioned at 1/3-2/3 times of gas and flows out pipeline [3] inner radius, preferably, is positioned at 1/2 times of inner radius.
According to another preferred embodiment of the present invention, wherein, the distance outlet between flow deflector [2] and furnace shell [4], for 1/3-2/3 times of baffle plate [1] radius (with furnace shell (4) spacing), preferably, is positioned at 1/2 times of radius.
According to another preferred embodiment of the present invention, wherein, flow deflector [2] bending radius is 1/5-4/5 times of outlet conduit [3] internal diameter; Preferably, be 1/4-3/4 times of outlet conduit [3] internal diameter.
According to another preferred embodiment of the present invention, wherein, it is 50-200mm that flow deflector [2] gos deep into gas flow pass [3] length, and preferred size is 80-120mm.
According to another preferred embodiment of the present invention, wherein, the Hou Du≤5mm of flow deflector [2].
According to another preferred embodiment of the present invention, wherein, flow deflector [2] links together with baffle plate [1]; Preferably, flow deflector [2] links together with baffle plate [1], furnace shell [4], gas flow pass [3].
According to another preferred embodiment of the present invention, wherein, the mode that flow deflector [2] links together with baffle plate [1] can be that welding, riveted joint or fastening piece are connected, and preferably, employing is welded to connect.
According to another preferred embodiment of the present invention, wherein, flow deflector [2] can be made up of a sheet material, or is combined by welding, riveted joint, bolt connecting mode by several piece sheet material.
As further improvement, described flow deflector and baffle plate link together.
As further improvement, described flow deflector is wear-resisting steel plate.
The invention has the beneficial effects as follows: when dust-contained airflow is flowed through vapourizing furnace syngas outlet turning point, due to the effect of flow deflector, layering appears in air-flow, has changed original Flow Field Distribution, and the speed in exit is tending towards evenly, and the speed at wall place has larger reduction.Due to the wall reduction of dust-contained airflow speed nearby, weaken the souring of particle to duct wall in air-flow, play the effect of protection outlet conduit, improve the working condition of syngas outlet, improve the reliability of vapourizing furnace.By installing flow deflector additional at syngas outlet place, reduce greatly near the gas velocity of outlet conduit, thereby weakened exit pipe wear, improve syngas outlet working condition, improve vapourizing furnace security.Deflector structure is simple and reliable, is convenient to processing.
Accompanying drawing explanation
Fig. 1 is the vapourizing furnace syngas outlet device schematic diagram with flow deflector of the present invention.
Wherein 1. baffle plates, 2. flow deflector, 3. gas flow pass, 4. furnace shell.
Fig. 2 is some forms of flow deflector.Wherein in 2-1, flow deflector is made up of two vertical panels; In 2-2, flow deflector bending section can change straight section into; In 2-3 flow deflector go deep into gas flow out channel part be cruciform.
Embodiment
The present invention is achieved in that when dust-contained airflow is flowed through vapourizing furnace syngas outlet turning point, due to the effect of flow deflector, layering appears in air-flow, has changed original Flow Field Distribution, and the speed in exit is tending towards evenly, and the speed at wall place has larger reduction.Due to the reduction of near wall place dust-contained airflow speed, weaken the souring that in air-flow, particle is avoided pipeline, play the effect of protection outlet conduit, improve the working condition of syngas outlet, improve the reliability of vapourizing furnace.
As shown in Figure 1, flow deflector is L-type, and bending part is arc transition.Flow deflector horizontal section height is positioned at 1/2 times of gas and flows out internal diameter of the pipeline place; Distance between flow deflector and furnace shell is 1/2 times of baffle plate radius; Flow deflector bending radius is 2/5 times of outlet conduit internal diameter; It is 100mm that flow deflector horizontal section gos deep into gas outflow passage length.
When dust-contained airflow is flowed through vapourizing furnace syngas outlet turning point, due to the effect of flow deflector, there is layering in air-flow, changed original Flow Field Distribution, and the speed in exit is tending towards evenly, and the speed at wall place has larger reduction.Due to the reduction of near wall place dust-contained airflow speed, weaken the souring that in air-flow, particle is avoided pipeline, play the effect of protection outlet conduit, improve the working condition of syngas outlet, improve the reliability of vapourizing furnace.
Embodiment 2
Fig. 2-1 traverse baffle is L-type, and gusset is housed on traverse baffle, has increased traverse baffle strength and stability, the other the same as in Example 1.
Fig. 2-2 traverse baffle is bending L-type, reduces the difficulty of processing of circular arc bending, is easy to shape the other the same as in Example 1.
In Fig. 2-3, traverse baffle exit is cross, to avoid or to alleviate the vibrations of traverse baffle, the other the same as in Example 1.
Be more than embodiments of the present invention, according to content disclosed by the invention, those skilled in the art can easily expect some similar or replacement schemes, flow deflector form as shown in Figure 2, and it all should fall into protection scope of the present invention.
The present invention also can be used for similarly carrying in the fluid line containing solid particle.
Claims (10)
1. a vapourizing furnace syngas outlet device, comprising: baffle plate [1], gas flow pass [3], is characterized in that: it is also included in the flow deflector [2] of the guiding gas layering of installing additional between baffle plate [1] and gas flow pass [3].
2. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, flow deflector [2] is consistent with air current flow direction, and bending part is arc transition.
3. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, flow deflector [2] horizontal section is positioned at 1/3-2/3 times of gas and flows out pipeline [3] inner radius, preferably, is positioned at 1/2 times of inner radius.
4. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, the distance between flow deflector [2] and furnace shell [4] is 1/3-2/3 times of baffle plate [1] radius, preferably, is positioned at 1/2 times of radius.
5. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, flow deflector [2] bending radius is 1/5-4/5 times of outlet conduit [3] internal diameter; Preferably, be 1/4-3/4 times of outlet conduit [3] internal diameter.
6. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, it is 50-200mm that flow deflector [2] gos deep into gas flow pass [3] length, and preferred size is 80-120mm.
7. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, the Hou Du≤5mm of flow deflector [2].
8. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, flow deflector [2] links together with baffle plate [1]; Preferably, flow deflector [2] links together with baffle plate [1], furnace shell [4], gas flow pass [3].
9. described vapourizing furnace syngas outlet device according to Claim 8, wherein, the mode that flow deflector [2] links together with baffle plate [1] can be that welding, riveted joint or fastening piece are connected, preferably, employing is welded to connect.
10. according to the described vapourizing furnace syngas outlet of claim 1 device, wherein, flow deflector [2] can be made up of a sheet material, or is combined by welding, riveted joint, bolt connecting mode by several piece sheet material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461805.7A CN103820167A (en) | 2012-11-16 | 2012-11-16 | Synthetic gas outlet device of gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210461805.7A CN103820167A (en) | 2012-11-16 | 2012-11-16 | Synthetic gas outlet device of gasification furnace |
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| Publication Number | Publication Date |
|---|---|
| CN103820167A true CN103820167A (en) | 2014-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210461805.7A Pending CN103820167A (en) | 2012-11-16 | 2012-11-16 | Synthetic gas outlet device of gasification furnace |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180163A (en) * | 2014-08-08 | 2014-12-03 | 云南大红山管道有限公司 | High-drop falling-type pipeline energy dissipation conveying system |
| CN112945823A (en) * | 2021-02-22 | 2021-06-11 | 浙江浙能嘉华发电有限公司 | Particle enrichment device and method for flow field |
| CN113412036A (en) * | 2021-07-15 | 2021-09-17 | 广州万孚生物技术股份有限公司 | Diagnostic instrument |
| DE102021005290A1 (en) | 2021-10-23 | 2023-04-27 | Dimitrios Fotakis | Device for dust reduction when hot gas is extracted from furnaces or gasifications. |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8015581U1 (en) * | 1980-06-12 | 1982-01-28 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | EXHAUST GAS EXCHANGER |
| EP0632122A2 (en) * | 1993-06-03 | 1995-01-04 | Metallgesellschaft Ag | Process and device for separating slag droplets from hot gases from combustion or gasification of solid or liquid fuels |
| CN202936388U (en) * | 2012-11-16 | 2013-05-15 | 航天长征化学工程股份有限公司 | Synthesis gas outlet device of gasification furnace |
-
2012
- 2012-11-16 CN CN201210461805.7A patent/CN103820167A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8015581U1 (en) * | 1980-06-12 | 1982-01-28 | Joh. Vaillant Gmbh U. Co, 5630 Remscheid | EXHAUST GAS EXCHANGER |
| EP0632122A2 (en) * | 1993-06-03 | 1995-01-04 | Metallgesellschaft Ag | Process and device for separating slag droplets from hot gases from combustion or gasification of solid or liquid fuels |
| CN202936388U (en) * | 2012-11-16 | 2013-05-15 | 航天长征化学工程股份有限公司 | Synthesis gas outlet device of gasification furnace |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104180163A (en) * | 2014-08-08 | 2014-12-03 | 云南大红山管道有限公司 | High-drop falling-type pipeline energy dissipation conveying system |
| CN112945823A (en) * | 2021-02-22 | 2021-06-11 | 浙江浙能嘉华发电有限公司 | Particle enrichment device and method for flow field |
| CN113412036A (en) * | 2021-07-15 | 2021-09-17 | 广州万孚生物技术股份有限公司 | Diagnostic instrument |
| DE102021005290A1 (en) | 2021-10-23 | 2023-04-27 | Dimitrios Fotakis | Device for dust reduction when hot gas is extracted from furnaces or gasifications. |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140528 |