CN210103863U - Inertia separation dust remover - Google Patents
Inertia separation dust remover Download PDFInfo
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- CN210103863U CN210103863U CN201920681435.5U CN201920681435U CN210103863U CN 210103863 U CN210103863 U CN 210103863U CN 201920681435 U CN201920681435 U CN 201920681435U CN 210103863 U CN210103863 U CN 210103863U
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- cylinder
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- solid particles
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- 239000000428 dust Substances 0.000 title claims abstract description 32
- 238000000926 separation method Methods 0.000 title claims abstract description 20
- 239000007787 solid Substances 0.000 claims abstract description 46
- 238000011044 inertial separation Methods 0.000 claims abstract description 5
- 239000002245 particle Substances 0.000 claims description 39
- 239000003034 coal gas Substances 0.000 claims description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 32
- 229910052799 carbon Inorganic materials 0.000 claims description 29
- 210000003284 Horns Anatomy 0.000 claims description 8
- 238000002309 gasification Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 3
- 241000985665 Cecropia obtusifolia Species 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 19
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract description 3
- 239000007792 gaseous phase Substances 0.000 abstract description 2
- 239000007790 solid phase Substances 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000010883 coal ash Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 230000000576 supplementary Effects 0.000 description 1
Images
Abstract
The utility model relates to an inertial separation dust remover. According to the different principle that realizes the flow velocity difference of the same sectional area of flow, the utility model discloses set the inside center section of thick bamboo of dust remover to upper, middle and lower three, correspondingly fall into the inner chamber that constitutes between a center section of thick bamboo and the dust remover shell three different volumetric regions, utilize the space volume change realization gas flow velocity change that gas flow place, utilize the momentum that solid particulate matter increases under the action of gravity field, reach the purpose of the high-efficient quick separation of solid phase thing and gaseous phase thing. The utility model has the advantages of reasonable design structure, scientific separation method, good gas-solid separation effect and the like.
Description
Technical Field
The utility model relates to a gas-solid matter separation technical field specifically is a gas and solid particle separation's in the dirty coal gas dust remover, especially a utilize the momentum that changes the dirty coal gas velocity of flow and increase particulate matter to realize the dust remover of gas and the separation of carbonaceous particle.
Background
A cyclone separator in a coal-to-gas gasification system is a separation device used for separating carbon-containing solid particles in high-temperature coal gas. It separates a large amount of high temperature solid material from the gas stream. The cyclone separator adopts a vertical barrel structure, high-temperature coal gas prepared by the coal gasification furnace tangentially enters the inner cavity of the cyclone separator from the side wall of the upper part of the cyclone separator to form rotary motion, and coal ash solid particles with larger inertial centrifugal force are thrown to the outer wall surface to be separated, so that the gas-solid separation of the solid particles and the high-temperature coal gas is realized. However, in the actual separation process, because the airflow velocity of the high-temperature coal gas is low, the inertial centrifugal force formed by the tangential rotation of the solid particles is not large enough, and the solid particles are often not completely thrown out for separation, so that the high-temperature coal gas flowing out of the central cylinder still contains a large amount of coal ash and dust particles which flow into the next equipment along with the high-temperature coal gas from the central cylinder. On one hand, the carbon conversion rate of raw material coal is low, on the other hand, great pressure is brought to a dust removal process at the rear part of the system, and the cleanliness of coal gas is also greatly influenced. Therefore, it is desirable to have a cyclone dust collector with good separation effect on solid particles applied to a coal-to-liquid fluidized bed gasification system.
Disclosure of Invention
In order to separate solid particles from dust-containing gas better, the utility model provides an inertial separation dust remover and dust removal method, according to the principle that the same through-flow sectional area of flow is different to change air velocity, with the inner chamber that constitutes between a center section of thick bamboo and the dust remover shell divide into the region of three different cross-sections, utilize the space cross-section change realization gas flow velocity's that gas flow place change, reach the purpose of the high-efficient quick separation of solid phase thing and gaseous phase thing.
The utility model discloses a following technical scheme implements, an inertial separation dust remover, it includes: the gas-solid separator comprises a shell, a central cylinder and a bin pump, wherein one or more gas inlet pipelines are arranged on the side surface of the upper part of the shell, a gas outlet pipeline is arranged at the top of the shell, the bin pump is arranged at the bottom of the shell, the central cylinder is arranged in the shell, the upper end of the central cylinder penetrates through the top of the shell and is communicated with the gas outlet pipeline, an annular space formed between the central cylinder and the shell is an inner cavity of the dust remover, gas with carbon-containing solid particles enters the inner cavity from the gas inlet pipeline, and the gas after gas-solid separation enters the gas outlet pipeline through a channel in the central cylinder; the bin pump is communicated with the dust remover, and the carbon-containing solid particles enter the bin pump after being separated and enter the gasification furnace from the bin pump for circulating combustion; the central cylinder consists of an upper part, a middle part and a lower part, the upper part is a cylinder with smaller diameter, the middle part is a horn cylinder, the lower part is a cylinder with larger diameter, the lower port of the upper cylinder is connected with the small port of the middle horn cylinder, and the large port of the middle horn cylinder is connected with the upper port of the lower cylinder; the central cylinder divides the inner cavity of the dust remover into three through-flow spaces I, II and III, wherein the annular space on the side surface of the upper cylindrical cylinder is set into the through-flow space I with a larger cross section, the carbon-containing coal gas spirally descends in the area, and the carbon-containing solid particles descend and fall along with the airflow; the annular space on the side surface of the middle trumpet-shaped cylinder is set as a flow space II, and the flow cross section with large upper part and small lower part accelerates the carbon-containing coal gas to descend; an annular space on the side surface of the lower cylindrical barrel is set into a III through-flow space with a smaller cross section, the carbon-containing coal gas rapidly descends in the area, and the carbon-containing solid particles are impacted to rapidly move downwards; the coal gas in the area below the central cylinder has a slow moving speed and flows upwards, and enters the gas outlet pipeline through the central cylinder, and the carbon-containing solid particles rapidly move downwards and are deposited in the bin pump.
Furthermore, the central cylinder consists of two parts, namely a cylinder at the upper part and a horn cylinder at the middle part.
The utility model discloses design into the triplex of different diameters with the center section of thick bamboo in the dust remover, the carbonaceous coal gas that makes the entering dust remover produces different velocities of motion in the through-flow space of three difference, and carbonaceous solid particle is the continuous increase of downward velocity of motion under the action of gravity, utilize the air current to the supplementary impact of carbonaceous solid particle simultaneously, realize the separation of carbonaceous solid particle and coal gas, carbonaceous solid particle is from the dust remover bottom discharge storehouse pump, the storehouse pump sends carbonaceous solid particle into the gasifier reburning, coal gas gets into from center section of thick bamboo top gas conduit and fires burning furnace.
The utility model has the advantages of reasonable design structure, scientific separation method, good gas-solid separation effect, high coal conversion rate, energy conservation, environmental protection, low enterprise operation cost and the like.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
fig. 2 is a schematic top view of the present invention.
In the drawings: the device comprises a shell 1, a central cylinder 2, a central cylinder middle part 3, a central cylinder lower part 4, a bin pump 5, an air inlet pipeline 6, a dust remover inner cavity three areas I, II and III, an air flow direction a and a carbon-containing solid particle movement direction b.
Detailed Description
The invention will be further explained with reference to the following drawings:
as shown in the attached figures 1 and 2, one or more air inlet pipelines 6 are arranged on the side surface of the upper part of the shell 1, an air outlet pipeline is arranged at the top part of the shell, and a bin pump 5 is arranged at the bottom part of the shell 1; the upper part 2 of the central cylinder, the middle part 3 of the central cylinder and the lower part 4 of the central cylinder are arranged in the shell 1, the upper end of the upper part 2 of the central cylinder penetrates through the top of the shell 1 and is communicated with an air outlet pipeline, an annular space formed among the upper part 2 of the central cylinder, the middle part 3 of the central cylinder and the lower part 4 of the central cylinder and the shell 1 is an inner cavity of the dust remover, coal gas with carbon-containing solid particles enters the inner cavity of the dust remover from an air inlet pipeline 6, and the gas after gas-solid separation enters the air outlet pipeline through passages in the lower part 4 of the central cylinder, the middle part 3 of; the bin pump 5 is communicated with the inner cavity at the bottom of the dust remover, and the carbon-containing solid particles enter the bin pump 5 after being separated and enter the gasification furnace from the bin pump 5 for circulating combustion.
The coal gas with carbon-containing solid particles in the design is sent into a dust remover to be treated by the following steps: (1) tangentially feeding coal gas with carbon-containing solid particles into the dust remover along an annular space between the inner wall of the dust remover shell 1 and the outer wall of the central cylinder; (2) the movement speed of the coal gas in the coal gas inlet area I in the step (1) is reduced, one side of the coal gas makes a spiral motion downwards in the space with the larger cross section, and carbon-containing solid particles in the coal gas separate and fall under the action of gravity; (3) the coal gas after the step (2) moves downwards to enter an area II, at the moment, the movement speed of the coal gas is accelerated, and carbon-containing solid particles entering the small space are impacted to fall down; (4) and (4) allowing the coal gas after the step (3) to move downwards to enter a region III, reducing the movement speed of the coal gas at the moment, allowing the coal gas to enter a central cylinder to flow upwards, and quickly depositing the carbon-containing solid particles to the bottom of the dust remover due to the higher downward speed of the carbon-containing solid particles. (5) And (4) discharging the coal gas from the top of the central cylinder through a coal gas pipeline, discharging the carbon-containing solid particles from the bottom of the dust remover into a bin pump, and feeding the carbon-containing solid particles into a gasification furnace through the bin pump for reburning.
Claims (2)
1. An inertial separation precipitator, comprising: the device comprises a shell, a central cylinder and a bin pump, wherein one or more air inlet pipelines are arranged on the side surface of the upper part of the shell, and an air outlet pipeline is arranged at the top of the shell; the bin pump is arranged at the bottom of the shell; the central cylinder is arranged in the shell, the upper end of the central cylinder penetrates through the top of the shell and is communicated with the gas outlet pipeline, an annular space formed between the central cylinder and the shell is an inner cavity of the dust remover, coal gas with carbon-containing solid particles enters the inner cavity from the gas inlet pipeline, and the gas after gas-solid separation enters the gas outlet pipeline through a channel in the central cylinder; the bin pump is communicated with the dust remover, the carbon-containing solid particles enter the bin pump after being separated, and then enter the gasification furnace from the bin pump for circulating combustion, and the device is characterized in that:
the central cylinder consists of an upper part, a middle part and a lower part, wherein the upper part is a cylinder with smaller diameter, the middle part is a horn cylinder, the lower part is a cylinder with larger diameter, the lower port of the upper cylinder is connected with the small port of the middle horn cylinder, and the large port of the middle horn cylinder is connected with the upper port of the lower cylinder; the central cylinder divides the inner cavity of the dust remover into three through-flow spaces I, II and III, wherein the annular space on the side surface of the upper cylindrical cylinder is set into the through-flow space I with a larger cross section, the coal gas with the carbon-containing solid particles in the area spirally descends, wherein the carbon-containing solid particles descend and fall down along with the airflow, the annular space on the side surface of the middle trumpet is set as a II through-flow space, the gas with carbon-containing solid particles is accelerated to flow downwards by the large-upper through-flow section and the small-lower through-flow section, the annular space on the side surface of the lower cylindrical barrel is set into a III through-flow space with a smaller section, the coal gas with the carbon-containing solid particles in the area rapidly descends, and simultaneously impacts the carbon-containing solid particles to rapidly move downwards, the coal gas in the area below the central cylinder is slowed down in moving speed and flows upwards, the coal gas enters the gas outlet pipeline through the central cylinder, and the carbon-containing solid particles rapidly move downwards and are deposited in the bin pump.
2. An inertial separation precipitator according to claim 1, in which: the central cylinder consists of two parts, namely a cylinder at the upper part and a horn at the middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681435.5U CN210103863U (en) | 2019-05-14 | 2019-05-14 | Inertia separation dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920681435.5U CN210103863U (en) | 2019-05-14 | 2019-05-14 | Inertia separation dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210103863U true CN210103863U (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920681435.5U Active CN210103863U (en) | 2019-05-14 | 2019-05-14 | Inertia separation dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210103863U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272765A (en) * | 2019-05-14 | 2019-09-24 | 中聚信海洋工程装备有限公司 | A kind of inertial separation deduster and dust removal method |
| CN112480978A (en) * | 2020-12-11 | 2021-03-12 | 四川德胜集团钒钛有限公司 | Blast furnace low-heat value gas treatment device |
-
2019
- 2019-05-14 CN CN201920681435.5U patent/CN210103863U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110272765A (en) * | 2019-05-14 | 2019-09-24 | 中聚信海洋工程装备有限公司 | A kind of inertial separation deduster and dust removal method |
| CN112480978A (en) * | 2020-12-11 | 2021-03-12 | 四川德胜集团钒钛有限公司 | Blast furnace low-heat value gas treatment device |
| CN112480978B (en) * | 2020-12-11 | 2022-04-22 | 四川德胜集团钒钛有限公司 | Blast furnace low-heat value gas treatment device |
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