CN206751747U - A kind of polynary efficient ash handling equipment of gasification furnace exit gas - Google Patents
A kind of polynary efficient ash handling equipment of gasification furnace exit gas Download PDFInfo
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- CN206751747U CN206751747U CN201720586785.4U CN201720586785U CN206751747U CN 206751747 U CN206751747 U CN 206751747U CN 201720586785 U CN201720586785 U CN 201720586785U CN 206751747 U CN206751747 U CN 206751747U
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- gasification furnace
- ash handling
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Abstract
The utility model discloses a kind of polynary efficient ash handling equipment of gasification furnace exit gas,Including the gas shower device being connected with gasification furnace syngas outlet,Spraying and mixing device,High-efficiency rotating ash handling equipment,Spray washing device,Synthesis gas washing tower,Coupled logical spraying and mixing device is provided with after the gas shower device,Coupled logical high-efficiency rotating ash handling equipment is provided with after spraying and mixing device,The outlet of described high-efficiency rotating ash handling equipment is connected with spray washing device (one-level Venturi scrubber),The synthesis gas of described spray washing device (one-level Venturi scrubber) output is sent into synthesis gas washing tower,The utility model further reduces the coal ash entrainment of synthesis gas gas,Dust removing effects greatly improve,The rear processing apparatus caused by synthesis gas band ash is avoided to block influence long period safe and stable operation,Recycling machine spray washing acts on,Technological operation is simple,Cost is low,It is easy to safeguard.
Description
Technical field
It the utility model is related to powder coal gasification furnace field, and in particular to a kind of polynary efficient ash disposal dress of gasification furnace exit gas
Put.
Background technology
At present, in the fine coal pressurization continuous gasification industrial processes of coal chemical industry production field, coal is carried in synthesis gas secretly
Ash is more, because dust accretions easily occur for airflow function at the pipe joint of gasification furnace synthesizer outlet, causes rear process to set
It is standby to block, it is not easy to be cleared up.Condensed in addition, existing dedusting process is gasification furnace synthesis gas through one-level Venturi scrubbing is same
Synthesis gas washing tower is directly entered after liquid mixing, washing gas is carried out and enters scrubbing tower, ash disposal is carried out after condensed liquid washing.Gas
Change dust content height in stove synthesis gas, the dedusting effect of deashing device is poor, and ash is concentrated in an equipment, and concentration is high, washing
Tower bottom ash discharge waterpipe easily blocks up, and seriously constrains the long-period stable operation of device.
Utility model content
In order to overcome above-mentioned deficiency, the purpose of this utility model is to provide a kind of polynary efficient ash disposal of gasification furnace exit gas
Device, increase gas shower device and a high-efficiency rotating ash handling equipment between gasification outlet of still and washer, neither influence
Polynary gasification furnace production, and can remove≤10 μm of solid particle, greatly improve the dedusting effect of equipment.
To achieve the above object, the utility model uses following technical proposals：
A kind of polynary efficient ash handling equipment of gasification furnace exit gas, including the gas being connected with gasification furnace syngas outlet
Spray equipment, one-level Venturi scrubber, high-efficiency rotating ash handling equipment, two level Venturi scrubber, synthesis gas washing tower, it is described
Gas shower device is connected via one-level Venturi scrubber with high-efficiency rotating ash handling equipment, described high-efficiency rotating ash disposal dress
The outlet put is connected with two level Venturi scrubber, and the synthesis gas of described two level Venturi scrubber output is sent into synthesis gas
Scrubbing tower.
Preferably, high pressure flash is set to fill after high-efficiency rotating ash handling equipment, high-efficiency rotating ash handling equipment bottom liquid goes out
Mouthful arrange through pressure-reducing valve and be connected with hp flash drum, flash distillation condensate liquid flashes condensate outlet by flash distillation abhiseca portion and discharged, pulp water by
Flash distillation fills outlet at bottom and is discharged into slag water treatment system.
After synthesis gas after the washing of one-level Venturi scrubber enters high-efficiency rotating ash handling equipment progress cyclonic separation, close
It is introduced tangentially into form rotary motion inside into gas air-flow along multicyclone apparatus, the solid in the presence of centrifugal intertia force
Grain, drop are got rid of to equipment wall surface, and dust-laden drop is separated, so as to reach the effect of separation dedusting.
Preferably, high-efficiency rotating ash handling equipment liquid outlet drains into hp flash drum, described high pressure flash through pressure-reducing valve
Remaining pulp water after tank flash distillation fills pulp water outlet by high pressure flash and enters slag water treatment system.
Preferably, the flash distillation condensate outlet of described hp flash drum respectively with gas shower device shower, one-level
The import of Venturi scrubber ejecting liquid, the import of two level Venturi scrubber ejecting liquid, synthesis gas washing tower wash liquid enter
Mouth is connected.Realize Steam Recovery, spray washing effect.
Preferably, the bottom of described synthesis gas washing tower entering by a Quench water pump and two level Venturi scrubber
It is connected at mouthful.The circulation line washed by forming spray washing with scrubbing tower, realize repeatedly washing and ash disposal purpose.
Preferably, described gas shower device is arranged at gasification furnace syngas outlet pipe joint.
Due to the delivery pipe of gasification gas is connected more than at gasification furnace forming gas outlet pipe connections by devices such as ring flanges
Road, gas flowing in gasification furnace exit is rapid, because the effect of air-flow is easily in gasification furnace syngas outlet pipeline after gas outflow
Interface forms dust accretions, hinders the flowing of follow-up gasification stream, easily causes line clogging, cleaning trouble.Therefore gas
Spray equipment is set could enter gasification furnace by the dust spray of flow deposition here, solve to place gasification furnace syngas outlet
The blocking of pipe joint and cleaning problem.
Preferably, described gas shower apparatus structure is above to be symmetricly set on the multiple of gasification furnace syngas outlet pipeline
The mouth of pipe is sprayed, spray mouth of pipe vigor stove direction tilts with gasification furnace syngas outlet pipeline and connected, and the spray mouth of pipe passes through spray
Pipeline is connected with the flash distillation condensate outlet of hp flash drum.
Multiple spray mouths of pipe are in symmetrical on 360 directions, spray mouth of pipe vigor stove direction and gasification furnace synthesis gas
Outlet conduit tilts connection, now sprays the ejecting liquid convergence that the mouth of pipe sprays, can be comprehensive by gasification furnace syngas outlet pipe
The spray that dust is accumulated at road enters gasification furnace, whole gasification furnace syngas outlet pipe joint is not sprayed dead angle and causes ash
Dirt is accumulated.
Preferably, the spray mouth of pipe and gasification furnace syngas outlet pipeline angle of inclination are 30-45 degree.
Preferably, the spray mouth of pipe is three, and three spray mouths of pipe are into 120 degree.
Preferably, the structure of the spray mouth of pipe is to be provided with the cylindrical type pipeline of middle closing in.
Because the intraoral spraying intensity of shower is limited, and gasification stream speed is larger in gasification furnace synthesizer outlet conduit, holds
Spray liquid is easily caused with air current flow, greatly reduces spray ash-removal effect, and sprays the structure of the mouth of pipe to be provided with middle receipts
The cylindrical type pipeline of mouth, spraying intensity greatly enhance at closing in, add spraying intensity and ash-removal effect.
Preferably, the spray mouth of pipe closes up, the angle of opening is 90 degree.
The spray mouth of pipe closes up, on the one hand the angle of opening can disperse ejecting liquid for 90 degree, increase spray area coverage
And spraying effect, spraying intensity is on the other hand also increased by the closing in of certain angle.
Preferably, a diameter of 8cm at the spray mouth of pipe centre closing in, the spray a diameter of 60cm of the mouth of pipe, opening before closing up
The place a diameter of 40cm of the spray mouth of pipe.
Preferably, described high-efficiency rotating ash handling equipment is the cyclonic separation that rotating separation import is set at gas feed
Device.
Preferably, described rotating separation import is that gas inlet duct tangentially enters high-efficiency rotating ash handling equipment, in gas
Body pipe level direction blocks, and vertical direction sets opening.
On the one hand, synthesis gas tangentially enters high-efficiency rotating ash handling equipment along gas inlet duct, and synthesis gas flow is along whirlwind
It is introduced tangentially into form rotary motion inside separator device, solid particle, drop are got rid of to equipment in the presence of centrifugal intertia force
Wall, dust-laden drop is separated, humid gas realizes that gas, dust are automatically separated in entrance at a high speed, and dust drops automatically
Fall behind and enter equipment inner cylinder through high speed rotating separation so as to reach the effect of separation dedusting ,≤10 μm of solid particle can be removed,
Gas with a small amount of dust is separated enters succeeding level-two Venturi scrubber and scrubbing tower through top exit, and buck is centrifuging
Liquid storage area is downwardly into along barrel under effect, is discharged through ash releasing tube；On the other hand, synthesizer air-flow tangentially removes into high-efficiency rotating
Apparatus for ash, flow rotation move downward, and reduce and tell synthesis gas to the impact of high-efficiency rotating ash handling equipment tube wall and corrosiveness.
Preferably, one-level ash fall funnel is set in the middle part of described high-efficiency rotating ash handling equipment, and bottom sets second-level ash
Dirt settlement funnel.
Preferably, the tapered opening angle of described one-level ash fall funnel is less than the taper of two level dust settlement funnel
Opening angle.
The tapered opening angle of one-level ash fall funnel and the tapered opening angle of two level dust settlement funnel are set
Inventor in production practices repeatedly research and probe come out, the tapered opening angle of one-level ash fall funnel is less than second-level ash
The tapered opening angle of dirt settlement funnel, it just can guarantee that separating effect in ash fall separation process, one-level ash fall funnel
Tapered opening angle too small, dust closure, which easily occurs, causes in equipment running process dust separation effect to reduce, one-level ash
The tapered opening angle of dirt settlement funnel is excessive, and dust has little time spun down and is entrained by the flow of air, and substantially reduces separation effect
Fruit, consequently only that ensureing that appropriate angle is set just can guarantee that separating effect.
Preferably, the tapered opening angle of described one-level ash fall funnel is set between 20 degree of -36 degree.
Preferably, the tapered opening angle of described two level dust settlement funnel is set between 45 degree of -60 degree.
The course of work of the above-mentioned polynary efficient ash handling equipment of gasification furnace exit gas is：
(1) gasification furnace syngas outlet is set first sets gas shower device, ejecting liquid effect in gasification furnace syngas outlet
Lower atomization, cohesion, make grit (dust) in synthesis gas and atomization aqueous phase cohesion, form larger dust-laden drop, precipitation separation,
Reach the purpose given a dinner of welcome, gasification outlet of still and removing ash pipeline blockage problem no longer occurs；
(2) cyclone separator is set after gas shower device, one-level Venturi scrubber, the synthesis gas after washing enters
After cyclone separator, synthesis gas flow is introduced tangentially into form rotary motion along inside multicyclone apparatus, in centrifugal intertia force
In the presence of solid particle, drop get rid of to equipment wall surface, dust-laden drop is separated, so as to reach the effect of separation dedusting,
The liquid of cyclone separator drains into hp flash drum through pressure-reducing valve, and after being flashed by flash tank, pulp water enters slag water treatment system,
Flash distillation condensate liquid is respectively fed to gas shower device, one-level Venturi scrubber, two level Venturi scrubber, synthesis gas washing tower
Realize that recycling machine spray washing acts on；
(3) gas after cyclone separator separates dedusting enters two level Venturi scrubber, will by Quench water pump
Washings in synthesis gas washing tower are sent into spray washing device, again washing atomization, cohesion, make still to carry secretly in synthesis gas thin
Small grit (dust) is fully condensed with atomized water, is formed dust-laden drop, precipitation separation, is reached the purpose given a dinner of welcome again；
(4) washed by gas shower device, one-level Venturi scrubber, two level Venturi scrubber, synthesis gas washing tower
Synthesis gas after washing is sent into synthesis gas washing tower, after fully buffering, wash in the presence of synthesis gas washing tower, separate, thick conjunction
Enter transformation system into pneumatic transmission.
Compared with prior art, the beneficial effects of the utility model are：
(1) the utility model further reduces the coal ash entrainment of synthesis gas gas, and dust removing effects greatly improve, avoid because
Synthesis gas band ash, which causes rear processing apparatus to block, influences long period safe and stable operation.
(2) the utility model at the gasification furnace forming gas outlet pipe connections more pass through the connection gasification of the devices such as ring flange
The conveyance conduit of gas, dust accretions are formed easily at gasification furnace syngas outlet pipe joint, here could be by flow deposition
Dust spray enter gasification furnace, solve the blocking for placing gasification furnace syngas outlet pipe joint and clear up problem, multiple sprays
Shower pipe mouth is symmetrical, and spray mouth of pipe vigor stove direction tilts with gasification furnace syngas outlet pipeline and connected, now shower
Mouthful spray ejecting liquid convergence, can it is comprehensive by gasification furnace syngas outlet pipeline accumulate dust spray enter gasification
Stove, whole gasification furnace syngas outlet pipe joint is not sprayed dead angle and cause dust accretions, while set in the spray mouth of pipe
There is middle closing in, add spraying intensity and ash-removal effect.
(3) the utility model tangentially enters high-efficiency rotating ash handling equipment along gas inlet duct, and synthesis gas flow is along whirlwind
It is introduced tangentially into form rotary motion inside separator device, solid particle, drop are got rid of to equipment in the presence of centrifugal intertia force
Wall, dust-laden drop is separated, humid gas realizes that gas, dust are automatically separated in entrance at a high speed；On the other hand, close
Air-flow of growing up to be a useful person tangentially enters high-efficiency rotating ash handling equipment, and flow rotation moves downward, reduces and tell synthesis gas to high-efficiency rotating
Ash handling equipment tube wall impacts and corrosiveness.
(4) flash distillation condensate liquid be respectively fed to gas shower device, one-level Venturi scrubber, two level Venturi scrubber,
Synthesis gas washing tower realizes that recycling machine spray washing acts on, and this technological operation is simple, and cost is low, is easy to safeguard.
Brief description of the drawings
Fig. 1 is the structural representation of the efficient ash handling equipment of the utility model.
Fig. 2 is the structural representation of the utility model spray equipment.
Fig. 3 is the structural representation that spray equipment sprays the mouth of pipe.
Fig. 4 is the structural representation of the utility model high-efficiency rotating ash handling equipment.
Wherein, 1, gasification furnace, 2, gasification synthesis gas outlet pipe connections, 3, gas shower device, 4, one-level venturi washes
Wash device, 5, high-efficiency rotating ash handling equipment, 6, two level Venturi scrubber, 7, synthesis gas washing tower, 8, high pressure flash fill, 9, one-level
Venturi scrubber ejecting liquid import, 10, high-efficiency rotating ash handling equipment gas feed, 11, high-efficiency rotating ash handling equipment gas
Outlet, 12, high-efficiency rotating ash handling equipment liquid outlet, 13, two level Venturi scrubber ejecting liquid import, 14, synthesis air purge
Wash tower wash liquid import, 15, synthesis gas washing tower gas feed, 16, synthesis gas washing tower gas vent, 17, synthesis air purge
Wash cobwebs and dirt under ceiling water outlet, 18, flash distillation condensate outlet, 19, high pressure flash fill pulp water outlet, 20, the spray mouth of pipe, 21, gasification closes
Into gas outlet conduit, 22, rotating separation import, 23, one-level ash fall funnel, 24, two level dust settlement funnel.
Embodiment
It is noted that described further below is all exemplary, it is intended to provides further instruction to the application.It is unless another
Indicate, all technologies used herein and scientific terminology are with usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
The utility model is further illustrated with reference to the accompanying drawings and examples, in order to the reason of technical staff of the same trade
Solution：
Embodiment 1：
A kind of polynary efficient ash handling equipment of gasification furnace exit gas, including the gas being connected with gasification furnace syngas outlet
Spray equipment, one-level Venturi scrubber, high-efficiency rotating ash handling equipment, two level Venturi scrubber, synthesis gas washing tower, it is described
Gas shower device is connected via one-level Venturi scrubber with high-efficiency rotating ash handling equipment, described high-efficiency rotating ash disposal dress
The outlet put is connected with two level Venturi scrubber, and the synthesis gas of described two level Venturi scrubber output is sent into synthesis gas
Scrubbing tower, high pressure flash is set to fill after high-efficiency rotating ash handling equipment, high-efficiency rotating ash handling equipment bottom liquid outlet is through decompression
Valve row is connected with hp flash drum, and flash distillation condensate liquid fills bottom by flash distillation abhiseca portion flash distillation condensate outlet discharge, pulp water by flash distillation
Portion outlet is discharged into slag water treatment system, and the synthesis gas after the washing of one-level Venturi scrubber fills into high-efficiency rotating ash disposal
Put after carrying out cyclonic separation, synthesis gas flow is introduced tangentially into form rotary motion along inside multicyclone apparatus, used in centrifugation
Property power in the presence of solid particle, drop get rid of to equipment wall surface, dust-laden drop is separated, so as to reach the effect of separation dedusting
Fruit.High-efficiency rotating ash handling equipment liquid outlet drains into hp flash drum through pressure-reducing valve, surplus after the flash distillation of described hp flash drum
Recrement water fills pulp water outlet by high pressure flash and enters slag water treatment system, the flash distillation condensate outlet of hp flash drum respectively with gas
Body spray equipment shower, the import of one-level Venturi scrubber ejecting liquid, the import of two level Venturi scrubber ejecting liquid, conjunction
It is connected into gas wash tower wash liquid import.Steam Recovery, spray washing effect are realized, the bottom of synthesis gas washing tower passes through one
Individual Quench water pump is connected with the porch of two level Venturi scrubber.The circulation pipe washed by forming spray washing with scrubbing tower
Road, realize that repeatedly washing and ash disposal purpose, gas shower device are arranged at gasification furnace syngas outlet pipe joint.Due to gas
Change more conveyance conduits that gasification gas is connected by devices such as ring flanges, gasification furnace exit at stove forming gas outlet pipe connections
Gas flowing is rapid, because the effect of air-flow forms dust heap easily at gasification furnace syngas outlet pipe joint after gas outflow
Product, hinders the flowing of follow-up gasification stream, easily causes line clogging, cleaning trouble.Therefore gas shower device is set herein
The dust of flow deposition spray could be entered gasification furnace by place, solve the blocking of placement gasification furnace syngas outlet pipe joint and
Cleaning problem.
Gas shower apparatus structure is the multiple spray mouths of pipe for being above symmetricly set on gasification furnace syngas outlet pipeline, is sprayed
The mouth of pipe is tilted towards gasification furnace direction and gasification furnace syngas outlet pipeline and connected, and the spray mouth of pipe passes through spray piping and high pressure flash
The flash distillation condensate outlet of tank is connected, and multiple spray mouths of pipe are in symmetrical on 360 directions, spray mouth of pipe vigor stove direction
Tilt and connect with gasification furnace syngas outlet pipeline, the ejecting liquid convergence that now the spray mouth of pipe sprays, comprehensive will can gasify
The spray that dust is accumulated at stove syngas outlet pipeline enters gasification furnace, does not have whole gasification furnace syngas outlet pipe joint
Cause dust accretions in spray dead angle.The spray mouth of pipe flashes condensate outlet with hp flash drum by spray piping and is connected, described
It is three to spray the mouth of pipe, and three spray pipings spray the mouth of pipe and gasification furnace syngas outlet pipeline towards gasification furnace into 120 degree of angles
Outlet is moved towards to tilt connection, and angle of inclination is 30 degree, and the spray mouth of pipe is provided with the cylindrical type pipeline of middle closing in, the spray
The angle to be closed up among shower pipe mouth is 90 degree, and close up a diameter of 8cm among the spray mouth of pipe, and shower is a diameter of before closing in
60cm, a diameter of 40cm at mouth of pipe closing in is sprayed, because the intraoral spraying intensity of shower is limited, and gasification furnace synthesizer outlet
Gasification stream speed is larger in road, easily causes spray liquid with air current flow, greatly reduces spray ash-removal effect, and spray the mouth of pipe
Structure be to be provided with the cylindrical type pipeline of middle closing in, spraying intensity greatly enhances at closing in, add spraying intensity and
Ash-removal effect, the spray mouth of pipe closes up, on the one hand the angle of opening can disperse ejecting liquid for 90 degree, increase spray area coverage
And spraying effect, spraying intensity is on the other hand also increased by the closing in of certain angle.
To set the cyclone separator of rotating separation import at gas feed, rotating separation enters high-efficiency rotating ash handling equipment
Mouth tangentially enters high-efficiency rotating ash handling equipment for gas inlet duct, is blocked in gas pipeline horizontal direction, and vertical direction is set
Opening.On the one hand, synthesis gas tangentially enters high-efficiency rotating ash handling equipment along gas inlet duct, and synthesis gas flow is along cyclonic separation
Device device interior is introduced tangentially into form rotary motion, and solid particle, drop are got rid of to equipment wall surface in the presence of centrifugal intertia force,
Dust-laden drop is separated, humid gas realizes that gas, dust are automatically separated in entrance at a high speed, and dust lands laggard automatically
Enter equipment inner cylinder through high speed rotating separation so as to reach the effect of separation dedusting ,≤10 μm of solid particle can be removed, band is a small amount of
The gas of dust is separated enters succeeding level-two Venturi scrubber and scrubbing tower through top exit, and buck is under the action of the centrifugal
Liquid storage area is downwardly into along barrel, is discharged through ash releasing tube；On the other hand, synthesizer air-flow tangentially enters high-efficiency rotating ash disposal and filled
Put, flow rotation moves downward, and reduces and tells synthesis gas to the impact of high-efficiency rotating ash handling equipment tube wall and corrosiveness.Efficiently
Rotate and one-level ash fall funnel is set in the middle part of ash handling equipment, bottom sets two level dust settlement funnel, one-level ash fall leakage
The tapered opening angle of bucket is at 36 degree, and the tapered opening angle of described two level dust settlement funnel is in 60 degree of settings.
A kind of polynary efficient dedusting process of gasification furnace exit gas, is comprised the following steps that：
(1) gasification furnace syngas outlet is set first sets gas shower device, ejecting liquid effect in gasification furnace syngas outlet
Lower atomization, cohesion, make grit (dust) in synthesis gas and atomization aqueous phase cohesion, form larger dust-laden drop, precipitation separation,
Reach the purpose given a dinner of welcome, gasification outlet of still and removing ash pipeline blockage problem no longer occurs；
(2) cyclone separator is set after gas shower device, spraying and mixing device, and the synthesis gas after washing enters whirlwind
After separator, synthesis gas flow is introduced tangentially into form rotary motion along inside multicyclone apparatus, in the work of centrifugal intertia force
Got rid of with lower solid particle, drop to equipment wall surface, dust-laden drop is separated, so as to reach the effect of separation dedusting, whirlwind
The liquid of separator drains into hp flash drum through pressure-reducing valve, and after being flashed by flash tank, pulp water enters slag water treatment system, flash distillation
Condensate liquid is respectively fed to gas shower device, spraying and mixing device mouth, spray washing device, synthesis gas washing tower and realizes that steam returns
Receipts machine spray washing acts on；
(3) gas after cyclone separator separates dedusting enters spray washing device, will be synthesized by Quench water pump
Washings in gas wash tower are sent into spray washing device, and washing atomization, cohesion, make the tiny dirt still carried secretly in synthesis gas again
Grain (dust) fully condenses with atomized water, forms dust-laden drop, precipitation separation, reaches the purpose given a dinner of welcome again；
(4) after gas shower device, spraying and mixing device mouth, spray washing device, the washing of synthesis gas washing tower
Synthesis gas is sent into synthesis gas washing tower, and after fully buffering, wash in the presence of synthesis gas washing tower, separating, crude synthesis gas is sent
Enter transformation system.
Embodiment 2：
A kind of polynary efficient ash handling equipment of gasification furnace exit gas, including the gas being connected with gasification furnace syngas outlet
Spray equipment, one-level Venturi scrubber, high-efficiency rotating ash handling equipment, two level Venturi scrubber, synthesis gas washing tower, it is described
Gas shower device is connected via one-level Venturi scrubber with high-efficiency rotating ash handling equipment, described high-efficiency rotating ash disposal dress
The outlet put is connected with two level Venturi scrubber, and the synthesis gas of described two level Venturi scrubber output is sent into synthesis gas
Scrubbing tower, high pressure flash is set to fill after high-efficiency rotating ash handling equipment, high-efficiency rotating ash handling equipment bottom liquid outlet is through decompression
Valve row is connected with hp flash drum, and flash distillation condensate liquid fills bottom by flash distillation abhiseca portion flash distillation condensate outlet discharge, pulp water by flash distillation
Portion outlet is discharged into slag water treatment system, and the synthesis gas after the washing of one-level Venturi scrubber fills into high-efficiency rotating ash disposal
Put after carrying out cyclonic separation, synthesis gas flow is introduced tangentially into form rotary motion along inside multicyclone apparatus, used in centrifugation
Property power in the presence of solid particle, drop get rid of to equipment wall surface, dust-laden drop is separated, so as to reach the effect of separation dedusting
Fruit.High-efficiency rotating ash handling equipment liquid outlet drains into hp flash drum through pressure-reducing valve, surplus after the flash distillation of described hp flash drum
Recrement water fills pulp water outlet by high pressure flash and enters slag water treatment system, the flash distillation condensate outlet of hp flash drum respectively with gas
Body spray equipment shower, the import of one-level Venturi scrubber ejecting liquid, the import of two level Venturi scrubber ejecting liquid, conjunction
It is connected into gas wash tower wash liquid import.Steam Recovery, spray washing effect are realized, the bottom of synthesis gas washing tower passes through one
Individual Quench water pump is connected with the porch of two level Venturi scrubber.The circulation pipe washed by forming spray washing with scrubbing tower
Road, realize that repeatedly washing and ash disposal purpose, gas shower device are arranged at gasification furnace syngas outlet pipe joint.Due to gas
Change more conveyance conduits that gasification gas is connected by devices such as ring flanges, gasification furnace exit at stove forming gas outlet pipe connections
Gas flowing is rapid, because the effect of air-flow forms dust heap easily at gasification furnace syngas outlet pipe joint after gas outflow
Product, hinders the flowing of follow-up gasification stream, easily causes line clogging, cleaning trouble.Therefore gas shower device is set herein
The dust of flow deposition spray could be entered gasification furnace by place, solve the blocking of placement gasification furnace syngas outlet pipe joint and
Cleaning problem.
Gas shower apparatus structure is the multiple spray mouths of pipe for being above symmetricly set on gasification furnace syngas outlet pipeline, is sprayed
The mouth of pipe is tilted towards gasification furnace direction and gasification furnace syngas outlet pipeline and connected, and the spray mouth of pipe passes through spray piping and high pressure flash
The flash distillation condensate outlet of tank is connected, and multiple spray mouths of pipe are in symmetrical on 360 directions, spray mouth of pipe vigor stove direction
Tilt and connect with gasification furnace syngas outlet pipeline, the ejecting liquid convergence that now the spray mouth of pipe sprays, comprehensive will can gasify
The spray that dust is accumulated at stove syngas outlet pipeline enters gasification furnace, does not have whole gasification furnace syngas outlet pipe joint
Cause dust accretions in spray dead angle.The spray mouth of pipe flashes condensate outlet with hp flash drum by spray piping and is connected, described
It is four to spray the mouth of pipe, and four spray pipings spray the mouth of pipe and gasification furnace syngas outlet pipeline towards gasification furnace into 90 degree of angles
Outlet is moved towards to tilt connection, and angle of inclination is 45 degree, and the spray mouth of pipe is provided with the cylindrical type pipeline of middle closing in, the spray
The angle to be closed up among shower pipe mouth is 90 degree, and close up a diameter of 8cm among the spray mouth of pipe, and the spray mouth of pipe is a diameter of before closing up
60cm, a diameter of 40cm of the mouth of pipe is sprayed after closing in, because the intraoral spraying intensity of shower is limited, and gasification furnace synthesizer outlet
Gasification stream speed is larger in road, easily causes spray liquid with air current flow, greatly reduces spray ash-removal effect, and spray the mouth of pipe
Structure be to be provided with the cylindrical type pipeline of middle closing in, spraying intensity greatly enhances at closing in, add spraying intensity and
Ash-removal effect, the spray mouth of pipe closes up, on the one hand the angle of opening can disperse ejecting liquid for 90 degree, increase spray area coverage
And spraying effect, spraying intensity is on the other hand also increased by the closing in of certain angle.
To set the cyclone separator of rotating separation import at gas feed, rotating separation enters high-efficiency rotating ash handling equipment
Mouth tangentially enters high-efficiency rotating ash handling equipment for gas inlet duct, is blocked in gas pipeline horizontal direction, and vertical direction is set
Opening.On the one hand, synthesis gas tangentially enters high-efficiency rotating ash handling equipment along gas inlet duct, and synthesis gas flow is along cyclonic separation
Device device interior is introduced tangentially into form rotary motion, and solid particle, drop are got rid of to equipment wall surface in the presence of centrifugal intertia force,
Dust-laden drop is separated, humid gas realizes that gas, dust are automatically separated in entrance at a high speed, and dust lands laggard automatically
Enter equipment inner cylinder through high speed rotating separation so as to reach the effect of separation dedusting ,≤10 μm of solid particle can be removed, band is a small amount of
The gas of dust is separated enters succeeding level-two Venturi scrubber and scrubbing tower through top exit, and buck is under the action of the centrifugal
Liquid storage area is downwardly into along barrel, is discharged through ash releasing tube；On the other hand, synthesizer air-flow tangentially enters high-efficiency rotating ash disposal and filled
Put, flow rotation moves downward, and reduces and tells synthesis gas to the impact of high-efficiency rotating ash handling equipment tube wall and corrosiveness.Efficiently
Rotate and one-level ash fall funnel is set in the middle part of ash handling equipment, bottom sets two level dust settlement funnel, one-level ash fall leakage
The tapered opening angle of bucket is at 20 degree, and the tapered opening angle of described two level dust settlement funnel is in 45 degree of settings.
The preferred embodiment of the application is the foregoing is only, is not limited to the application, for the skill of this area
For art personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
- A kind of 1. polynary efficient ash handling equipment of gasification furnace exit gas, it is characterised in that including with gasification furnace syngas outlet phase Gas shower device, one-level Venturi scrubber, high-efficiency rotating ash handling equipment, two level Venturi scrubber, the synthesis gas of connection Scrubbing tower, the gas shower device are connected via one-level Venturi scrubber with high-efficiency rotating ash handling equipment, described height The outlet of effect rotation ash handling equipment is connected with two level Venturi scrubber, the synthesis of described two level Venturi scrubber output Pneumatic transmission enters synthesis gas washing tower.
- 2. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 1, it is characterised in that removed in high-efficiency rotating High pressure flash is set to fill after apparatus for ash, high-efficiency rotating ash handling equipment bottom liquid outlet connects through pressure-reducing valve row with hp flash drum Connect, flash distillation condensate liquid is filled outlet at bottom by flash distillation and be discharged into pulp water by flash distillation abhiseca portion flash distillation condensate outlet discharge, pulp water Processing system.
- 3. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 2, it is characterised in that described high pressure is dodged The flash distillation condensate outlet of steaming pot respectively with gas shower device shower, the import of one-level Venturi scrubber ejecting liquid, two The import of level Venturi scrubber ejecting liquid, synthesis gas washing tower wash liquid import are connected.
- 4. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 1, it is characterised in that described synthesis gas The bottom of scrubbing tower is connected by a Quench water pump with the porch of spray washing device.
- 5. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 1, it is characterised in that described gas spray Shower device is arranged at gasification furnace syngas outlet pipe joint, and described gas shower device is in gasification furnace syngas outlet Symmetrical multiple spray mouths of pipe are set on pipeline, and the spray mouth of pipe flashes condensate liquid with hp flash drum by spray piping and gone out Mouth is connected.
- 6. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 5, it is characterised in that the spray mouth of pipe For three, the spray mouth of pipe moves towards to tilt connection, the spray mouth of pipe and gasification with gasification furnace syngas outlet pipeline towards gasification furnace Stove syngas outlet pipeline angle of inclination is 30-45 degree.
- 7. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 5, it is characterised in that the spray mouth of pipe The cylindrical type pipeline of middle closing in is provided with, the angle to be closed up among the spray mouth of pipe is 90 degree, is closed up among the spray mouth of pipe A diameter of 8cm, the spray a diameter of 60cm of the mouth of pipe, sprays a diameter of 40cm of the mouth of pipe before closing up after closing in.
- 8. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 1, it is characterised in that described efficient rotary Turn ash handling equipment to set the cyclone separator of rotating separation import at gas feed, rotating separation import is gas inlet tube Road tangentially enters high-efficiency rotating ash handling equipment, is blocked in gas pipeline horizontal direction, and vertical direction sets opening.
- 9. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 5, it is characterised in that described efficient rotary Turn to set one-level ash fall funnel in the middle part of ash handling equipment, bottom sets two level dust settlement funnel, and described one-level dust sinks The tapered opening angle for dropping funnel is less than the tapered opening angle of two level dust settlement funnel.
- 10. the polynary efficient ash handling equipment of gasification furnace exit gas as claimed in claim 9, it is characterised in that described one-level The tapered opening angle of ash fall funnel is set between 20 degree of -36 degree, and the taper of described two level dust settlement funnel is opened Bicker degree is set between 45 degree of -60 degree.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720586785.4U CN206751747U (en) | 2017-05-24 | 2017-05-24 | A kind of polynary efficient ash handling equipment of gasification furnace exit gas |
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| CN201720586785.4U CN206751747U (en) | 2017-05-24 | 2017-05-24 | A kind of polynary efficient ash handling equipment of gasification furnace exit gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189824A (en) * | 2017-05-24 | 2017-09-22 | 聊城市鲁西化工工程设计有限责任公司 | A kind of polynary efficient ash handling equipment of gasification furnace exit gas and technique |
| CN112755566A (en) * | 2021-02-01 | 2021-05-07 | 山东祥桓环境科技有限公司 | Flash evaporation coupling cyclone vapor-liquid separation device and waste heat recovery process thereof |
-
2017
- 2017-05-24 CN CN201720586785.4U patent/CN206751747U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189824A (en) * | 2017-05-24 | 2017-09-22 | 聊城市鲁西化工工程设计有限责任公司 | A kind of polynary efficient ash handling equipment of gasification furnace exit gas and technique |
| CN107189824B (en) * | 2017-05-24 | 2018-07-20 | 聊城市鲁西化工工程设计有限责任公司 | A kind of efficient ash handling equipment of polynary gasification furnace exit gas and technique |
| CN112755566A (en) * | 2021-02-01 | 2021-05-07 | 山东祥桓环境科技有限公司 | Flash evaporation coupling cyclone vapor-liquid separation device and waste heat recovery process thereof |
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