CN206219532U - A kind of synthesis gas washing dedusting dewatering system - Google Patents
A kind of synthesis gas washing dedusting dewatering system Download PDFInfo
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- CN206219532U CN206219532U CN201621175188.4U CN201621175188U CN206219532U CN 206219532 U CN206219532 U CN 206219532U CN 201621175188 U CN201621175188 U CN 201621175188U CN 206219532 U CN206219532 U CN 206219532U
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- synthesis gas
- comer
- scrubbing tower
- gas washing
- dewatering system
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- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 68
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 65
- 238000005406 washing Methods 0.000 title claims abstract description 36
- 238000005201 scrubbing Methods 0.000 claims abstract description 50
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 35
- 238000000703 high-speed centrifugation Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 9
- 239000007787 solid Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 238000002309 gasification Methods 0.000 description 14
- 238000005119 centrifugation Methods 0.000 description 11
- 239000003245 coal Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000018044 dehydration Effects 0.000 description 3
- 238000006297 dehydration reaction Methods 0.000 description 3
- 238000009736 wetting Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000003034 coal gas Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 206010008428 Chemical poisoning Diseases 0.000 description 1
- 238000005773 Enders reaction Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000003041 ligament Anatomy 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Industrial Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model discloses a kind of synthesis gas washing dedusting dewatering system, including the water cooling chamber being sequentially connected, venturi mixer, scrubbing tower restrains whizzer.The synthesis gas washing dedusting dewatering system that the utility model is provided can efficiently remove solid and liquid in synthesis gas, solve existing washing system bad to micron order dust removal effect, required equipment is more, and gas pressure drop is big, water consumption it is many and go out the synthesis gas water content of scrubbing tower it is big the problems such as.
Description
Technical field
The utility model belongs to coal chemical technology, is related to a kind of synthesis gas washing dedusting dewatering system.
Background technology
In coal chemical technology, substantial amounts of fine ash is contained from gasification furnace crude synthesis gas out, when for subsequent cell
Need to wash synthesis gas, fine ash and water in removal synthesis gas, if raw gas purifying is not thorough, wherein what is contained is thin
Ash is easily caused that upstream device fouling resistance is excessive or catalyst poisoning, influence production.Therefore crude synthesis gas dedusting dewatering process
Even running to producing is most important, and the target after the washing of current industry requirement crude synthesis gas is less than 1mg/ for dustiness
Nm3。
At present, coal gasification field, the typical dust collection method of crude synthesis gas is wet ash removal, in order to reach synthesis gas dustiness
Less than 1mg/Nm3, the shortcoming that typical crude synthesis gas dust collecting process is present：It is bad for micron-sized dust removal effect, it is special
It is not for the fine coal gasification process that pressurizes；Required equipment is more, and investment is big；Pressure drop is big, and water consumption is more, and the synthesis gas for going out scrubbing tower contains
Water is big, and subsequent cell needs to increase separation equipment etc..
Utility model content
(1) technical problem to be solved
Technical problem to be solved in the utility model is how to solve existing washing system to remove micron order dust
Effect is bad, and required equipment is more, and gas pressure drop is big, water consumption it is many and/or go out the synthesis gas water content of scrubbing tower it is big the problems such as.
(2) technical scheme
To achieve these goals, the utility model provides a kind of synthesis gas washing dedusting dewatering system, including successively
The water cooling chamber of connection, venturi mixer, scrubbing tower restrains whizzer.
Preferably, the water cooling chamber includes down-comer and is arranged on the tedge of down-comer periphery, it is described under
Gap is left between drop pipe and the tedge.
Preferably, the down-comer lower end is immersed under the liquid level of liquid in the water cooling chamber；The one of the tedge
It is partially immersed under the liquid level of liquid in the water cooling chamber.
Preferably, the down-comer bottom has jagged edge, and the height of sawtooth is 30-60mm.
Preferably, the gap between the down-comer and the tedge is 1.5-2 times of the down-comer cross-sectional area,
It is preferred that 1.8 times.
Preferably, the scrubbing tower includes Drechsel system, one or more tower trays, demister；The scrubbing tower top
Connected with the tube bank whizzer with connected entrance；The demister is located at the scrubbing tower top, the gas scrubbing
Device is located at the scrubbing tower bottom；And/or the tower tray is located between the Drechsel system and the demister.
Preferably, the Drechsel system includes washer down-comer and is arranged on the washer down-comer bottom periphery
Washer tedge, leave gap between the washer tedge and the washer down-comer；The washer declines
Bottom of the tube and the washer tedge are immersed under the liquid level of liquid in the scrubbing tower, while the Drechsel system is logical
Cross the outlet of connected entrance and the venturi mixer.
Preferably, the venturi mixer is connected with high pressure water system.
Preferably, also including high-pressure pump, the liquid of the scrubbing tower bottom can be incorporated into the water-cooled by the high-pressure pump
But in room.
Preferably, the tube bank whizzer top is with synthesizer outlet；It is described tube bank whizzer bottom with
The scrubbing tower connection, liquid can be incorporated into the scrubbing tower in the tube bank whizzer.
(2) beneficial effect
The utility model is compared significant advantage and beneficial effect：
1., by using water cooling chamber, venturi mixer, scrubbing tower restrains the knockdown classification of whizzer
Cleaning dust dehydration design, can remove micron order dust, and synthesis gas dustiness can be controlled in 1mg/m3Within, while after washing
Synthesis gas is low containing amount of liquid, so as to subsequent cell pressure drop increase can be avoided, and influences whole system because of chemical poisoning
The problems such as long-term operation, operating cost is reduced, meanwhile, load regulation range is big, energy-conserving and environment-protective.
2. single-stage venturi mixer is used, and gas pressure drop is small, and water consumption is low.
3. equipment needed for the system is few, invests bottom, and operation maintenance is simple, and the equipment cycle of operation is long.
Brief description of the drawings
A kind of flow chart of synthesis gas washing dedusting dewatering system that Fig. 1 is provided for the utility model embodiment.
In figure：
1st, water cooling chamber, 2, venturi mixer, 3, scrubbing tower, 4, tube bank whizzer, 5, high-pressure pump, 6, pipeline,
7th, pipeline, 8, pipeline, 9, pipeline, 10, ash-water pipeline, 11, high-pressure water pipeline, 12, ash-water pipeline, 13, pipeline, 14, pipeline,
15th, tower tray washings.
Specific embodiment
Below in conjunction with the utility model embodiment and accompanying drawing, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
As shown in figure 1, a kind of synthesis gas washing dedusting dewatering system that the utility model is provided, including the water being sequentially connected
Cooling chamber 1, venturi mixer 2, scrubbing tower 3 restrains whizzer 4 and high-pressure pump 5.Synthesis gas passes sequentially through water cooling
Room 1, venturi mixer 2, scrubbing tower 3 and tube bank whizzer 4, carry out dedusting dehydration.
Specifically, water cooling chamber 1 includes down-comer and is arranged on the tedge of down-comer periphery, down-comer with it is upper
Gap is left between riser；Down-comer lower end is immersed under the liquid level of liquid in water cooling chamber 1；A part for tedge is immersed in
In water cooling chamber 1 under the liquid level of liquid.The high-temperature synthesis gas that gasification furnace reative cell is produced enter gasification furnace bottom along down-comer
Under liquid levels in water cooling chamber 1 cooling washing is carried out with liquid.In Action of Gravity Field after molten slag cooling and solidifying in synthesis gas
Lower separation with synthesis gas is deposited in the bottom of cooling chamber 1, and tedge is provided with outside down-comer, and crude synthesis gas are along down-comer and rising
Gap between pipe rises washs again, goes out to enter venturi mixing along pipeline 6 afterwards from the top syngas outlet of cooling chamber 1
Device 2.
Wherein, down-comer bottom has jagged edge, and the height of sawtooth is 30-60mm；Between down-comer and tedge
Gap be 1.5-2 times of down-comer cross-sectional area.Declining tube edges, there is sawtooth can effectively puncture synthesis gas washing process
The foam of middle formation.Set gap between down-comer and tedge to be is the position of washings between control down-comer and tedge
Put, make synthesis gas down-comer with rise ligament water in residence time it is longer, clean result is more preferable.Preferably, decline
Gap between pipe and tedge is 1.8 times of down-comer cross-sectional area, and at this moment clean result is especially good.
Specifically, can be incorporated into the liquid of the bottom of scrubbing tower 3 in water cooling chamber 1 by high-pressure pump, and liquid is recycled；Literary mound
In blender 2 be connected by high-pressure water pipeline 11 with high pressure water system；Water under high pressure enters the nozzle of venturi mixer 2, liquid
It is vigorously mixed with synthesis gas in the trunnion of venturi mixer 2, to soak the dust in synthesis gas, what formation was relatively large in diameter contains
Grey drop, the middle part of scrubbing tower 3 is entered through the synthesis gas after wetting by pipeline, further carries out washing ash disposal.
Specifically, scrubbing tower 3 includes Drechsel system, multiple tower trays, demister；The top of scrubbing tower 3 have connected entrance with
Tube bank whizzer 4 is connected；Demister is located at the top of scrubbing tower 3, and Drechsel system is located at the bottom of scrubbing tower 3；Tower tray is located at
Between Drechsel system and demister, tower tray is anti-stifled tower tray, and tower tray washings 15 are from the middle and upper part of scrubbing tower 3, tower tray top liquid
Body entrance enters scrubbing tower 3, and the demister on the scrubbed tower top of synthesis gas washed by tower tray removes mist, and synthesis gas goes out to wash
Wash tower 3 and tube bank whizzer 4 is entered by pipeline 8.
Wherein, Drechsel system includes washer down-comer and is arranged on the washer of washer down-comer bottom periphery
Riser, gap is left between washer tedge and washer down-comer；Washer declines bottom of the tube and washer tedge
It is immersed under the liquid level of liquid in scrubbing tower 3, while Drechsel system is connected by connected entrance with the outlet of venturi mixer 2
It is logical.Under the liquid level of the liquid that the synthesis gas from venturi mixer 2 is entered into scrubbing tower 3 by washer down-comer, with
Liquid contact washing, is provided with washer tedge outside washer down-comer, and synthesis gas is along washer down-comer and washer
Gap between tedge rises washs again, tower tray is entered afterwards and is washed.Liquid point two-way discharge in scrubbing tower 3, liquid
The cleaner buck in top enters high-pressure pump 5 again by entering cooling chamber 1, or literary mound after ash-water pipeline 10 along ash-water pipeline 12
In blender 2, the Heisui River of liquid bottom enters Slag-water system along pipeline 14.
Specifically, the top of tube bank whizzer 4 is with synthesizer outlet；The tube bank bottom of whizzer 4 and scrubbing tower 3
Connected by pipeline 8, liquid can be incorporated into scrubbing tower 3 by pipeline 13 in tube bank whizzer 4.
Wherein, the synthesis gas of tube bank whizzer 4 is entered by the pipeline at the top of scrubbing tower 3 along installed in tube bank centrifugation point
The tangential inlet of centrifugation in device 4 enters centrifugation and separates again, and under the influence of centrifugal force, entrained with consolidates in gas
Body particle and drop are thrown toward the inwall of centrifugation, and tube bank centrifugation point is flowed into from centrifugation top by the synthesis gas of isolation of purified
From the upper gas collection chamber of device 4, down-stream system is then sent into by pipeline 9, separate solid particle and drop is along centrifugation
The inwall of son is settled, and the bottom into tube bank whizzer 4 is collected, and then enters scrubbing tower 3 by pipeline 13.
With reference to the synthesis gas washing dedusting dewatering system in the utility model embodiment, removing for the system is described in detail
Dirt dehydration.
Gasification furnace reative cell produce high-temperature synthesis gas along down-comer enter gasification furnace bottom the liquid level of water cooling chamber 1 with
Under, synthesis gas carries out sufficiently cool washing in the water-bath of water cooling chamber 1, after the molten slag cooling and solidifying in synthesis gas under gravity
Separated with synthesis gas and be deposited in the bottom of water cooling chamber 1, tedge is provided with outside cooling chamber down-comer, crude synthesis gas are in water cooling
Room 1 is up walked after carrying out cooling washing along the gap of down-comer and tedge, increases synthesis gas in the residence time of cooling chamber, closes
Enter venturi mixer 2 along pipeline 6 from cooling chamber top syngas outlet after cooling washing into gas, from high pressure water system
Water under high pressure also into venturi mixer 2, in venturi mixer 2, water under high pressure is by being located in venturi mixer 2
Nozzle be vigorously mixed with synthesis gas in mixing tube, the dust in wetting synthesis gas, formation be relatively large in diameter containing grey drop, warp
Synthesis gas after wetting enters scrubbing tower 3 through pipeline 7, and the center connecting tube along scrubbing tower 3 enters Drechsel system, from washer
Down-comer sprays, and is up walked by the gap of washer down-comer and washer tedge afterwards, synthesis gas liquid in scrubbing tower 3
Up washed again by tower tray after body washing.The tower tray of scrubbing tower 3 is high efficient anti-blocking tower tray, and tower tray upper liquid entrance enters
The liquid for entering as tower tray washings.By the synthesis gas of tower tray synthesis is removed by being located at the demister on the top of scrubbing tower 3
Most of mist in gas, tube bank whizzer 4 is entered by the pipeline 8 at the top of scrubbing tower 3, synthesis gas along be arranged on tube bank from
The tangential inlet of centrifugation in centrifugal separator 4 enters centrifugation and separates again, under the influence of centrifugal force, entrained with gas
Solid particle and drop be thrown toward centrifugation son inwall, by isolation of purified synthesis gas from centrifugation son top flow into tube bank from
The upper gas collection chamber of centrifugal separator 4, then sends into down-stream system by pipeline 9, separate solid particle and drop along
The inwall that son is centrifuged is settled, and the bottom into tube bank whizzer 4 is collected, and then enters scrubbing tower by pipeline 13
3.Liquid point two-way discharge in scrubbing tower 3, the cleaner buck of liquid upper enters cooling after entering high-pressure pump along pipeline 12
Room 1, or venturi mixer 2, the Heisui River of liquid bottom enter Slag-water system along pipeline 14.
The applicable gasification furnace of synthesis gas washing dedusting dewatering system can be Siemens's fine coal gas extensively in the utility model
Change, space flight stove coal gasification, texaco coal-water slurry gasification, section woods coal gasification, two-stage furnace coal gasification, east stove fine coal gas
Change, the crude synthesis gas that the gasification furnace such as Tsing-Hua University stove coal water slurry gasification, Shanxi coal stove, Kaiyang stove, western Shandong stove, Ender furnace is produced.
The above, some specific embodiments only of the present utility model, but protection domain of the present utility model is not
This is confined to, any one skilled in the art can readily occur in the technical scope that the utility model is disclosed
Change or replacement, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be with institute
Scope of the claims is stated to be defined.
Claims (10)
1. a kind of synthesis gas washing dedusting dewatering system, it is characterised in that：
Including the water cooling chamber (1) being sequentially connected, venturi mixer (2), scrubbing tower (3), tube bank whizzer (4).
2. synthesis gas washing dedusting dewatering system according to claim 1, it is characterised in that：
The water cooling chamber (1) is including down-comer and is arranged on the peripheral tedge of the down-comer, the down-comer and institute
State and leave gap between tedge.
3. synthesis gas washing dedusting dewatering system according to claim 2, it is characterised in that：
The down-comer lower end is immersed under the liquid level of liquid in the water cooling chamber (1)；
A part for the tedge is immersed under the liquid level of liquid in the water cooling chamber (1).
4. synthesis gas washing dedusting dewatering system according to claim 2, it is characterised in that：
The down-comer bottom has jagged edge, and the height of sawtooth is 30-60mm.
5. synthesis gas washing dedusting dewatering system according to claim 2, it is characterised in that：
Gap between the down-comer and the tedge is 1.5-2 times of the down-comer cross-sectional area.
6. synthesis gas washing dedusting dewatering system according to claim 1, it is characterised in that：
The scrubbing tower (3) includes Drechsel system, one or more tower trays, demister；
There is connected entrance to be connected with tube bank whizzer (4) at scrubbing tower (3) top；
The demister is located at the scrubbing tower (3) top, and the Drechsel system is located at the scrubbing tower (3) bottom；And/or
The tower tray is located between the Drechsel system and the demister.
7. synthesis gas washing dedusting dewatering system according to claim 6, it is characterised in that：
The Drechsel system includes washer down-comer and is arranged on the washer of the washer down-comer bottom periphery
Riser, gap is left between the washer tedge and the washer down-comer；
The washer declines bottom of the tube and the washer tedge is immersed in the liquid level of liquid in the scrubbing tower (3)
Under, while the Drechsel system passes through the outlet of connected entrance and the venturi mixer (2).
8. synthesis gas washing dedusting dewatering system according to claim 1, it is characterised in that：
The venturi mixer (2) is connected with high pressure water system.
9. synthesis gas washing dedusting dewatering system according to claim 1, it is characterised in that：
Also include high-pressure pump, the liquid of the scrubbing tower (3) bottom can be incorporated into the water cooling chamber (1) by the high-pressure pump
In.
10. synthesis gas washing dedusting dewatering system according to claim 1, it is characterised in that：
Tube bank whizzer (4) top has syngas outlet；
Tube bank whizzer (4) bottom connects with the scrubbing tower (3), liquid in tube bank whizzer (4)
Can be incorporated into the scrubbing tower (3)；
There is one or more high speed centrifugations in tube bank whizzer (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175188.4U CN206219532U (en) | 2016-10-26 | 2016-10-26 | A kind of synthesis gas washing dedusting dewatering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175188.4U CN206219532U (en) | 2016-10-26 | 2016-10-26 | A kind of synthesis gas washing dedusting dewatering system |
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| Publication Number | Publication Date |
|---|---|
| CN206219532U true CN206219532U (en) | 2017-06-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175188.4U Active CN206219532U (en) | 2016-10-26 | 2016-10-26 | A kind of synthesis gas washing dedusting dewatering system |
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| CN (1) | CN206219532U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398779A (en) * | 2016-10-26 | 2017-02-15 | 航天长征化学工程股份有限公司 | Synthetic gas washing, dedusting and dewatering system |
| CN109181784A (en) * | 2018-09-27 | 2019-01-11 | 中国成达工程有限公司 | It is a kind of by multi-component complex organic sulfur conversion in crude synthesis gas be hydrogen sulfide device and technique |
-
2016
- 2016-10-26 CN CN201621175188.4U patent/CN206219532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106398779A (en) * | 2016-10-26 | 2017-02-15 | 航天长征化学工程股份有限公司 | Synthetic gas washing, dedusting and dewatering system |
| CN109181784A (en) * | 2018-09-27 | 2019-01-11 | 中国成达工程有限公司 | It is a kind of by multi-component complex organic sulfur conversion in crude synthesis gas be hydrogen sulfide device and technique |
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