CN105176589B - Coke fixed bed pressurization gasification device and process - Google Patents
Coke fixed bed pressurization gasification device and process Download PDFInfo
- Publication number
- CN105176589B CN105176589B CN201510659348.6A CN201510659348A CN105176589B CN 105176589 B CN105176589 B CN 105176589B CN 201510659348 A CN201510659348 A CN 201510659348A CN 105176589 B CN105176589 B CN 105176589B
- Authority
- CN
- China
- Prior art keywords
- gasifier
- gas
- coke
- lock hopper
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Coke Industry (AREA)
Abstract
The invention relates to the field of gasification of coke raw material high-temperature oxidized coal, in particular to a coke fixed bed pressurized gasification device and a process. The device comprises a gasifying agent mixer and a gasifier which are connected in the process flow, a pressure swing feeding lock hopper, an ash discharging lock hopper, a washing dust remover and a saturation tower; the gasifier is divided into an ash layer, an oxidation layer, a first reduction layer, a second reduction layer, a dry distillation layer and a drying layer from bottom to top; the upper part of the gasifier is sequentially connected with a washing dust remover and a saturation tower through a gas outlet. The gasification agent passes through each layer of the gasifier from bottom to top to generate coal gas through coal gasification reaction, and the coal gas is washed by water, transferred with heat and mass, and sent out after coal ash dust and impurities are removed. The equipment of the invention has reasonable structure, high efficiency, energy saving, environmental protection, no pollution, easy maintenance, small occupied area and investment saving, and has excellent industrial prospect and social benefit for developing coke pressurized gasification under the large background of serious surplus of productivity, lost coke products and low price of the current coking enterprises.
Description
Technical field
The present invention relates to coke raw material high-temperature oxydation coal gasification field, and in particular to a kind of coke fixed bed pressured gasification dress
Put and technique.
Background technology
At present, traditional coke granule fixed bed gasification technology (CGP, CoKe Gasification Process of
Fixed Bed) it is that coke gasification manufacture is carried out using high-temp combustion fixed-bed intermittent formula circulation under air/or addition steam normal pressure
The technology of coal gas (carbon monoxide).In general, such coke gasification process unit is by coke bin, feed measuring tank, gasification furnace, ash
Hopper, deduster, waste heat boiler, air blower and its auxiliary auxiliary facility composition；Gasifying agent is mostly air and water vapour, pressure
Close to normal pressure, efficiency is low, high energy consumption, big for environment pollution.Separately there is the lurgi gasifier of German LURGI, be also pressurized gasification work
Skill, the technology are only intended to the coal gasification of the fuel such as bituminous coal, lignite, and its gasification furnace is full water leg structure, complicated, waste water
Handle difficulty, high energy consumption, pollution it is larger, invest compared with it is high, maintenance difficulty is big.
The content of the invention
It is an object of the invention to provide a kind of coke fixed bed pressured gasification device and technique, have it is existing it is energy-efficient,
It is pollution-free, the good, flow of environmental protection is simple, take up an area less, device structure is rationally and the advantages of maintenance reduced investment.
A kind of coke fixed bed pressured gasification device provided by the invention, including：The connected gasifying agent mixing of technological process
Device and gasifier, and transformation charging lock hopper, ash discharge lock hopper, scrubber and saturator；
The gasifier is divided into grieshoch, oxide layer, the first reducing zone, the second reducing zone, destructive distillation layer and drying from bottom to top
Layer；
The transformation charging lock hopper is connected by head tank with the charging aperture at the top of gasifier, the transformation charging lock hopper
Top is connected with coke bin, pressurized gas pipeline and release gas piping；
The bottom ash discharging hole of the ash discharge lock hopper and gasifier connects, and ash discharge lock hopper is transformation ash discharge tank, and sets hydraulic pressure
Ash-valve；
The gasifier top sets gas vent, and is sequentially connected by gas vent and scrubber, saturator,
There is wear-resistant castable insulating lining in gas vent；The scrubber and saturator are the mass-and heat-transfer that air water fully contacts
Coal gas is sent out at equipment, the top of saturator, and bottom discharge waste water sends to grey water process Posterior circle reuse.
Further, the gasifier bottom is provided with ash discharge fire grate and gasifying agent import；
The ash discharge fire grate is the structure of a speed-changing rotation, uniform gas distribution and ash discharge, is prepared using resistant and wear-resistant cast steel, is
Multilayer polygonal sector structure, speed-changing rotation crush cinder is driven by motor；
The gasifying agent import is annular porous distributed architecture, is connected by pipeline with steam oxygen blender.
Further, described coke fixed bed pressured gasification device also includes：Drum；
The gasifier is pressure vessel, and its operating pressure is 0.5~5.0MPa；Gasifier middle and lower part furnace wall is complete
Portion furnace wall uses cooling water jecket, and the inwall of cooling water jecket is using charcoal steel and stainless compound steel plate or stainless steel built-up welding, tool
There is absorbing thermal expansion amount, eliminate the ability of thermal stress deformation；
When gasifier middle and lower part furnace wall uses cooling water jecket, the top furnace wall of gasifier is liner fireclay insulating refractory
Insulated lining, side towards the fire are in wear-resistant castable or heavy fire resisting stiffener.
The top of the cooling water jecket sets the steam outlet pipe being connected with drum, and the bottom of cooling water jecket is set and drum
The water inlet pipe of connection；Boiler feedwater enters the heated generation steam of cooling water jecket, and steam caused by cooling water jecket is as secondary
Producing steam is sent out, and is used as vapour source.
Further, described coke fixed bed pressured gasification device also includes：Being arranged on gasifier furnace wall bottom has ring
Shape air inlet；The annular air scoop is connected with jet chimney, has flexible modulation gasifier bed temperature function.
Annular air scoop can convenient and swift adjusting furnace temperature, raising capacity of equipment and conversion ratio.
Further, described coke fixed bed pressured gasification device also includes：It is arranged on the gasifier its top feed
Belljar valve distributing device at mouthful；
The belljar valve distributing device enters stove by a vertical long valve rod Driven by Hydraulic Cylinder, the smooth coke pellet that is uniformly distributed of energy,
Belljar valve distributing device surface overlaying wearable hard alloy, and the sealing in gasifier can be realized.
Further, described coke fixed bed pressured gasification device also includes：It is arranged in the belljar valve distributing device week
The cloth conically shaped enclosed, it can be ensured that furnace roof charge level is in concentric circles waveform plane distribution, makes ascending air be evenly distributed, is advantageous to
Coke gasification.
Further, the inlet and outlet of the transformation charging lock hopper is respectively equipped with hydraulic automatic flat-plate valve；Change is pressed into
Expect that lock hopper is set using single or double lock hopper, pressure balance pipeline is set between lock hopper；
The inlet and outlet of the ash discharge lock hopper is respectively equipped with hydraulic automatic flat-plate valve, and the interior wall liner of ash discharge lock hopper is wear-resisting
Corrosion resistant backplate.
Further, the scrubber is the venturi air water washer of stainless steel, and the saturator is solid
The vertical tower plate structure vapour-liquid contacting column of valve or waste heat boiler device, coal gas is set to reach wet down, give a dinner of welcome and water saturated purpose.
Present invention also offers a kind of coke fixed bed pressured gasification technique based on described device, comprise the following steps：
Enter after the preheated mixing of gasifying agent in gasifier, pass through grieshoch, oxide layer, the first reducing zone, the from bottom to top
Two reducing zones, destructive distillation layer and drying layer；
Gasifying agent absorbs sensible heat heating via grieshoch；In oxide layer, coke and O2Generation combustion reaction generates CO2, gas-solid thing
Material temperature degree continues to raise；Ascending air enters back into the first reducing zone and the second reducing zone, and with high-temperature gas coal gasification occurs for coke
Reaction： Ascending air heat absorption, temperature decline；Ascending air leads to again
Destructive distillation layer and drying layer are crossed, is contacted with the cold coke pellet for entering stove, is exported after carrying out heat exchange from gas outlet at the top of gasifier；
The coal gas of gasifier production mixes through exporting into scrubber with washings, and gas temperature reduces, while coal
The coal ash dust and other impurities carried secretly in gas, which are washed with water, to be washed；After gas-water separation, coal gas enters saturator, through water washing, passes
Hot mass transfer, coal ash dust and impurity further wash removing in coal gas, while coal gas is by water vapour institute saturation, through moisture trap
Sent out after separation water.
Further, the gasifying agent is the gaseous mixture of oxygen and water vapour, or oxygen, water vapour and titanium dioxide
The gaseous mixture of carbon；The coal gas either inert gas that the lock hopper gas of the transformation charging lock hopper finally gives for the technique.
Gasifying agent is utilized carbon dioxide as, coal gas can be increased production, reduce discharge；Charging lock hopper is used as using inert gas
Pressurising gas, equipment can be saved, factor of created gase is improved, reduces production cost.
Beneficial effects of the present invention are：
Device structure of the invention is reasonable, energy-efficient, environment friendly and pollution-free, maintenance is easy, takes up an area less, reduced investment；This dress
Put gas washing dedusting sewage oil-containing and pollutant is few, recycle, water and heat effectively utilize, and save, economize on water；Therefore, it is of the invention
It is seriously superfluous in current coal chemical enterprise production capacity, under the overall background that coke product is unsalable, price is low, for exploitation coke pressurization gas
Change has fabulous industrial prospect and social benefit.
Brief description of the drawings
, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before creative work is not paid
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the process chart of coke fixed bed pressured gasification device provided in an embodiment of the present invention.
Reference：
1- gasifiers；2- scrubbers；3- transformations feed lock hopper；
4- head tanks；5- ash discharge lock hoppers；6- oxygen preheaters；
7- gasifying agent blenders；8- annular air scoops；9- ash discharge fire grates；
10- drums；11- saturators；12- circulates washing pump；
13- cooling water jeckets；14- insulated linings；15- gas vents；
16- gasifying agent imports；17- ash discharging holes；18- fine ash lock hoppers；
19- moisture traps；20- coke bins；21- belljar valve distributing devices.
Embodiment
Technical scheme is clearly and completely described below in conjunction with accompanying drawing, it is clear that described implementation
Example is part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the description of the invention, it is necessary to explanation, term " " center ", " on ", " under ", "left", "right", " vertical ",
The orientation or position relationship of the instruction such as " level ", " interior ", " outer " be based on orientation shown in the drawings or position relationship, merely to
Be easy to the description present invention and simplify description, rather than instruction or imply signified device or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.In addition, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that instruction or hint relative importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
A kind of coke fixed bed pressured gasification device provided by the invention, including：The connected gasifying agent blender of technological process
And gasifier, and transformation charging lock hopper, ash discharge lock hopper, scrubber and saturator.
Gasifier is divided into grieshoch, oxide layer, the first reducing zone, the second reducing zone, destructive distillation layer and drying layer from bottom to top；Become
It is pressed into material lock hopper to be connected with the charging aperture at the top of gasifier by head tank, the transformation feeds the top of lock hopper and coke bin, filled
Press gas piping and the connection of release gas piping；The bottom ash discharging hole of ash discharge lock hopper and gasifier connects, and ash discharge lock hopper is change
Pressure ash can, and hydraulic pressure ash-valve is set；Gasifier top sets gas vent, and by gas vent and scrubber,
Saturator is sequentially connected, and has wear-resistant castable insulating lining in gas vent；The scrubber and saturator fill for air water
Coal gas is sent out at the tactile mass-and heat-transfer equipment of tap, the top of saturator, and bottom discharge waste water sends to grey water process Posterior circle reuse.
During work, enter after the preheated mixing of gasifying agent in gasifier, from bottom to top by grieshoch, oxide layer, first also
Former layer, the second reducing zone, destructive distillation layer and drying layer；Gasifying agent absorbs sensible heat heating via grieshoch, in oxide layer coke and O2Hair
Raw combustion reaction generation CO2And continue to heat up；Ascending air enters the first reducing zone and the second reducing zone, coke and high-temperature gas
Generation coal gasification reaction simultaneously absorbs heat, and ascending air temperature declines, then by destructive distillation layer and drying layer, the cold coke pellet with entering stove
Contact, carry out heat exchange and obtain coal gas, from the gas outlet export of gasifier top；
The coal gas of gasifier production mixes through exporting into scrubber with washings, and gas temperature continues to reduce, together
When coal gas in the coal ash dust carried secretly and other impurities be washed with water and wash；After gas-water separation, coal gas enters saturator, through washing
Wash, heat and mass, coal ash dust and impurity further wash removing in coal gas, while coal gas is by water vapour institute saturation, through air water
Sent out after separator separation water.
Gasifying agent can be the gaseous mixture or oxygen of oxygen and water vapour, water vapour and carbon dioxide it is mixed
Close gas.
Fig. 1 is the process chart of coke fixed bed pressured gasification device provided in an embodiment of the present invention.
As shown in figure 1, gasifier 1 is divided into grieshoch, oxide layer, the first reducing zone, the second reducing zone, destructive distillation layer from bottom to top
And drying layer.The bottom of gasifier 1 is provided with ash discharge fire grate 9 and gasifying agent import 16；The bottom ash discharging hole 17 of gasifier 1 and ash discharge
Lock hopper 5 connects, and ash discharge lock hopper is transformation ash discharge tank, and sets hydraulic pressure ash-valve.Transformation charging lock hopper 3 passes through head tank 4 and gas
Change the charging aperture connection at the top of device 1, the top of transformation charging lock hopper 3 and coke bin 20, pressurized gas pipeline and release flue
Road connects.There is annular air scoop 8 the furnace wall bottom of gasifier 1, the top of ash discharge fire grate 9.
The belljar valve distributing device 21 being connected with head tank 4 is also set up at its top feed mouth of gasifier 1；The belljar valve cloth
Device 21 enters stove, the surface heap of belljar valve distributing device 21 by a vertical long valve rod Driven by Hydraulic Cylinder, the smooth coke pellet that is uniformly distributed of energy
Wearable hard alloy, and energy tight closing gasifier 1 are welded, gas pressure is not leaked.
Gasifier 1 is pressure vessel, and its operating pressure is 0.5~5.0MPa；The middle and lower part furnace wall of gasifier 1 is using cooling
Water leg 13, the inwall of cooling water jecket 13 have absorption heat swollen using charcoal steel and stainless compound steel plate or stainless steel built-up welding
Bulk, the ability for eliminating thermal stress deformation；The top furnace wall of gasifier 1 is the insulated lining 14 of liner fireclay insulating refractory, to
Fiery face is in wear-resistant castable or heavy fire resisting stiffener.
The top of cooling water jecket 13 sets the steam outlet pipe being connected with drum 10, and the bottom of cooling water jecket 13 is set and vapour
The water inlet pipe of the connection of bag 10；Boiler feedwater enters the heated generation steam of cooling water jecket, and steam caused by cooling water jecket is made
Send out for byproduct steam, used as vapour source.
Oxygen channel is connected with oxygen preheater 6, gasifying agent blender 7 successively, jet chimney respectively with annular air scoop
8th, gasifying agent blender 7 and ash discharge lock hopper 5 connect.The outlet of gasifying agent blender 7 is connected with the gasifying agent import 16.
The top of gasifier 1 sets gas vent 15, and by gas vent 15 and scrubber 2, saturator 11 successively
Connection；Scrubber 2 and saturator 11 are the mass-and heat-transfer equipment that air water fully contacts, and coal gas is sent out at the top of saturator,
Discharge waste water in bottom.The bottom of saturator 11 is connected to the top of scrubber 2 by pipeline and circulation washing pump 12, realizes
Washings recycle.
The top of saturator 11 can be passed through high temperature condensate liquid or gasification recycle-water as saturation water；The top of saturator 11
It is connected by pipeline with moisture trap, and outwards sends out the coal gas finally given；The bottom of saturator 11 sets waste pipe,
Waste water is delivered to after grey water process to return and recycled.
In a preferred embodiment of the invention, ash discharge fire grate 9 can be the knot of speed-changing rotation ventilation, uniform gas distribution and ash discharge
Structure, prepared using resistant and wear-resistant cast steel, be multilayer polygonal sector structure, speed-changing rotation crush cinder is driven by motor.
In a preferred embodiment of the invention, gasifying agent import 16 is annular porous distributed architecture.
In a preferred embodiment of the invention, can also in the arrangement cloth conically shaped around belljar valve distributing device 21, with
It is in concentric circles waveform plane distribution to be able to ensure that furnace roof charge level, ascending air is evenly distributed, is advantageous to coke gasification.
In a preferred embodiment of the invention, the inlet and outlet of transformation charging lock hopper 3 is respectively equipped with hydraulic pressure and put down automatically
Plate valve；Transformation charging lock hopper 3 is monolock bucket, or is set using twin-lock bucket, and pressure balance pipeline is set between lock hopper；Ash discharge lock hopper
5 inlet and outlet is respectively equipped with hydraulic automatic flat-plate valve, the interior wall liner abrasion-proof corrosion-proof backplate of ash discharge lock hopper 5.
In a preferred embodiment of the invention, scrubber 2 be stainless steel venturi air water washer, saturation
Tower 11 is the solid vertical tower plate structure vapour-liquid contacting column of valve or waste heat boiler device, make coal gas reach wet down, give a dinner of welcome with it is water saturated
Purpose.
In a preferred embodiment of the invention, the inwall of gasifier 1 can also be all using cooling water jecket structure.
Gasification process provided by the invention based on the coke fixed bed pressured gasification device is：
Oxygen mixes after preheating with steam, enters each fuel bed in gasifier 1 by gasifying agent import 16.Gas is under
And the fixed bed such as upper destructive distillation layer and drying layer；Gasifying agent absorbs sensible heat via grieshoch and raises temperature up to 260 DEG C~350 DEG C；Through
With oxygen combustion reaction generation CO occurs for oxide layer, coke2, gas-solid temperature of charge is quickly raised to 1000~1100
℃；Ascending air enters the first reducing zone, the second reducing zone, and with high-temperature gas coal gasification reaction occurs for coke：The reaction is the endothermic reaction, at a temperature of bed and ascending air
550~600 DEG C are down to, ascending air by destructive distillation layer and drying layer, i.e., contacts with entering the cold coke pellet of stove again, carries out hot friendship
Change temperature and drop to 500~550 DEG C, from gasifier top gas outlet 15 export, cold coke in destructive distillation layer and drying layer by
Heat and gas effect are stored in a small amount of fugitive constituent of coke and moisture escapes into ascending air and taken away with outlet coal gas.
Feeding density charcoal crushing and screening is 5~25mm and 25~50mm two kinds of particles, is stored in coke bin 20, enters by metering and becomes
Be pressed into material lock hopper 3, add head tank 4 and gasifier 1 in chronological order, it is reverse with ascending air and move, pass downwardly through drying layer,
Destructive distillation layer, the first reducing zone, the second reducing zone, oxide layer and grieshoch, ash discharge lock hopper 5 is discharged into through ash discharge fire grate 9, ash discharging hole 17,
Lime-ash is arranged outside 5 lower mouthfuls of automatic valves of ash discharge lock hopper.
The coal gas that gasifier 1 produces enters scrubber 2 through gas vent 15, the washings with circulating washing pump 12
Mixing, gas temperature is with water by thermal evaporation, and temperature is reduced to 200~250 DEG C, while the coal ash dust of gas entrainment is miscellaneous with other
Matter, which is washed with water, washs, coal gas enters saturator 11 after gas-water separation, and coal gas is by the bottom air inlet of saturator 11 through being set in tower
Vertical tower tray fully contacts with the washings that tower top gets off, and coal gas is through water washing, heat and mass, and dirt and impurity are further in coal gas
Washing is removed, while coal gas is sent out after the separation water of moisture trap 19 by water vapour institute saturation.
Gasifying agent is the gaseous mixture of oxygen and water vapour, or the gaseous mixture of oxygen, water vapour and carbon dioxide；Become
It is pressed into the coal gas either inert gas that the lock hopper gas of material lock hopper finally gives for the technique.
Device structure of the invention is reasonable, energy-efficient, environment friendly and pollution-free, maintenance is easy, takes up an area less, reduced investment；This dress
Put gas washing dedusting sewage oil-containing and pollutant is few, recycle, water and heat effectively utilize, and save, economize on water.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent
The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to
The technical scheme described in foregoing embodiments can so be modified, either which part or all technical characteristic are entered
Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
- A kind of 1. coke fixed bed pressured gasification device, it is characterised in that including：The connected gasifying agent blender of technological process and Gasifier, and transformation charging lock hopper, ash discharge lock hopper, scrubber and saturator；The gasifier is divided into grieshoch, oxide layer, the first reducing zone, the second reducing zone, destructive distillation layer and drying layer from bottom to top；The transformation charging lock hopper is connected by head tank with the charging aperture at the top of gasifier, the transformation charging lock hopper and Jiao Storehouse, pressurized gas pipeline and the connection of release gas piping；The bottom ash discharging hole of the ash discharge lock hopper and gasifier connects, and ash discharge lock hopper is transformation ash discharge tank；The gasifier top sets gas vent, and is sequentially connected by gas vent and scrubber, saturator；It is described Scrubber and saturator are the mass-and heat-transfer equipment that air water fully contacts, and coal gas, bottom discharge are sent out in the top of saturator Waste water, the bottom of the saturator are connected to the top of scrubber by pipeline and circulation washing pump.
- 2. coke fixed bed pressured gasification device according to claim 1, it is characterised in that the gasifier bottom is provided with Ash discharge fire grate and gasifying agent import；The ash discharge fire grate is the structure of a speed-changing rotation, uniform gas distribution and ash discharge, is multilayer polygonal sector, is driven and become by motor Speed rotation crush cinder；The gasifying agent import is annular porous distributed architecture, is connected by pipeline with steam oxygen blender.
- 3. coke fixed bed pressured gasification device according to claim 1, it is characterised in that also include：Drum；The gasifier is pressure vessel, and its operating pressure is 0.5~5.0MPa；Gasifier middle and lower part furnace wall or whole stoves Wall uses cooling water jecket, and the inwall of cooling water jecket is had and inhaled using charcoal steel and stainless compound steel plate or stainless steel built-up welding Receive thermal expansion amount, eliminate the ability of thermal stress deformation；The top of the cooling water jecket sets the steam outlet pipe being connected with drum, and the bottom of cooling water jecket is set to be connected with drum Water inlet pipe；Boiler feedwater enters the heated generation steam of cooling water jecket, and steam caused by cooling water jecket steams as by-product Vapour is sent out, and is used as vapour source.
- 4. coke fixed bed pressured gasification device according to claim 1, it is characterised in that also include：It is arranged on gasification The annular air scoop of device furnace wall bottom；Steam is sent into the annular air scoop, there is flexible modulation gasifier bed temperature work( Energy.
- 5. coke fixed bed pressured gasification device according to claim 1, it is characterised in that also include：It is arranged on described Belljar valve distributing device at gasifier its top feed mouth；The belljar valve distributing device enters stove, bell jar by a vertical long valve rod Driven by Hydraulic Cylinder, the smooth coke pellet that is uniformly distributed of energy Valve distributing device surface overlaying wearable hard alloy, and the sealing in gasifier can be realized.
- 6. coke fixed bed pressured gasification device according to claim 5, it is characterised in that also include：It is arranged in described Cloth conically shaped around belljar valve distributing device, it can be ensured that furnace roof charge level is in concentric circles waveform plane distribution.
- 7. coke fixed bed pressured gasification device according to claim 1, it is characterised in that：The transformation charging lock hopper Inlet and outlet is respectively equipped with hydraulic automatic flat-plate valve；Transformation is fed lock hopper and set using single or double lock hopper, is set between lock hopper Put pressure balance pipeline；The inlet and outlet of the ash discharge lock hopper is respectively equipped with hydraulic automatic flat-plate valve, the interior wall liner abrasion-proof corrosion-proof of ash discharge lock hopper Backplate.
- 8. coke fixed bed pressured gasification device according to claim 1, it is characterised in that the scrubber is not The venturi air water washer for steel material of becoming rusty, the saturator are the solid vertical tower plate structure vapour-liquid contacting column of valve or waste heat boiler dress Put, coal gas reached wet down, given a dinner of welcome and water saturated purpose.
- A kind of 9. coke fixed bed pressured gasification technique based on any one of claim 1~8 described device, it is characterised in that Comprise the following steps：Enter after the preheated mixing of gasifying agent in gasifier, from bottom to top by grieshoch, oxide layer, the first reducing zone, second also Former layer, destructive distillation layer and drying layer；Gasifying agent absorbs sensible heat heating via grieshoch；In oxide layer, coke and O2Generation combustion reaction generates CO2, gas-solid material temperature Degree continues to raise；Ascending air enters back into the first reducing zone and the second reducing zone, and with high-temperature gas coal gasification reaction occurs for coke： Ascending air heat absorption, temperature decline；Ascending air passes through destructive distillation again Layer and drying layer, are contacted with the cold coke pellet for entering stove, are exported after carrying out heat exchange from gas outlet at the top of gasifier；The coal gas of gasifier production mixes through exporting into scrubber with washings, and gas temperature reduces, while in coal gas The coal ash dust and other impurities of entrainment, which are washed with water, to be washed；After gas-water separation, coal gas enters saturator, is passed through water washing, heat transfer Matter, coal ash dust and impurity further wash removing in coal gas, while coal gas is separated through moisture trap by water vapour institute saturation Sent out after water.
- 10. a kind of coke fixed bed pressured gasification technique based on described in claim 9, it is characterised in that the gasifying agent is The gaseous mixture of oxygen and water vapour, or the gaseous mixture of oxygen, water vapour and carbon dioxide；The transformation charging lock hopper Lock hopper gas is the coal gas either inert gas that the technique finally gives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659348.6A CN105176589B (en) | 2015-10-12 | 2015-10-12 | Coke fixed bed pressurization gasification device and process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510659348.6A CN105176589B (en) | 2015-10-12 | 2015-10-12 | Coke fixed bed pressurization gasification device and process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105176589A CN105176589A (en) | 2015-12-23 |
| CN105176589B true CN105176589B (en) | 2017-11-14 |
Family
ID=54899027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510659348.6A Active CN105176589B (en) | 2015-10-12 | 2015-10-12 | Coke fixed bed pressurization gasification device and process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105176589B (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106221807A (en) * | 2016-08-03 | 2016-12-14 | 赛鼎工程有限公司 | A kind of coke gasification produces the method and apparatus of coal gas |
| CN106190318A (en) * | 2016-08-03 | 2016-12-07 | 赛鼎工程有限公司 | A kind of Processes and apparatus of coke gasification |
| CN106318467A (en) * | 2016-11-18 | 2017-01-11 | 北京金泰瑞和工程科技有限公司 | Gasification reactor and gasification system |
| CN106336902A (en) * | 2016-11-18 | 2017-01-18 | 北京金泰瑞和工程科技有限公司 | Ammonia or methanol synthesizing system |
| CN106398773A (en) * | 2016-11-18 | 2017-02-15 | 北京金泰瑞和工程科技有限公司 | Pressurized gasification system for fixed bed |
| CN106336901A (en) * | 2016-11-18 | 2017-01-18 | 北京金泰瑞和工程科技有限公司 | Ammonia and methanol synthesizing system |
| CN106482520A (en) * | 2016-12-05 | 2017-03-08 | 重庆市万盛区万兴建筑材料有限公司 | System fired by a kind of energy-efficient colliery wastes brick |
| CN106544058A (en) * | 2017-01-24 | 2017-03-29 | 北京金泰瑞和工程科技有限公司 | Fixed bed pressured gasification system |
| CN109486530A (en) * | 2017-09-12 | 2019-03-19 | 上海迪琰环保科技有限公司 | Sludge gasification furnace |
| CN109485220A (en) * | 2017-09-12 | 2019-03-19 | 上海迪琰环保科技有限公司 | Pyrolyzing sludge device |
| CN107674707B (en) * | 2017-10-09 | 2020-12-25 | 太重（天津）滨海重型机械有限公司 | Gasification furnace and gasification system |
| CN113969190A (en) * | 2021-10-26 | 2022-01-25 | 青岛维舍环保新能源科技有限公司 | Organic solid waste recycling and calcium carbide preparation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570025A (en) * | 2004-04-29 | 2005-01-26 | 福州大学 | Low activity dust coal catalytic gasifying method |
-
2015
- 2015-10-12 CN CN201510659348.6A patent/CN105176589B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570025A (en) * | 2004-04-29 | 2005-01-26 | 福州大学 | Low activity dust coal catalytic gasifying method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105176589A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105176589B (en) | Coke fixed bed pressurization gasification device and process | |
| US20170321889A1 (en) | Solid Fuel Grade Gasification-Combustion Dual Bed Poly-Generation System and Method Thereof | |
| CN106244175B (en) | Fume high-temperature carbon restores denitration and heat-energy recovering apparatus | |
| CN202558825U (en) | Jacket type internal circulating fluidized bed powder coal gasification furnace | |
| CN101250419B (en) | Low-temperature dry distillation process with coal gas internal heat | |
| CN101230281A (en) | Solid biomass semi-water coal-gas producer | |
| CN102146301A (en) | Method for two-stage coal gasification on composite external heat fixed bed and gas furnace | |
| CN109735371A (en) | A kind of biomass circulating fluidized bed direct-combustion boiler and its with gasification furnace coupled electricity-generation co-producing active carbon system | |
| CN107674707B (en) | Gasification furnace and gasification system | |
| CN100543116C (en) | The oxygen deprivation fluidized bed combustion downdraft gasification process and the device that prepare no tar products gas | |
| CN206375865U (en) | Catalytic coal gasifaction deslagging and the coupled system for reclaiming catalyst | |
| CN101974351B (en) | Scale fixed bed biomass gasification power generation production technology and suite of equipment | |
| CN110499193A (en) | A kind of town and country waste special hydrogen, methane, carbon monoxide, fuel-gas multiple produce two stage gasification device | |
| CN205046068U (en) | Coke fixed bed pressure gasification device | |
| CN201180123Y (en) | Semiwater gas generating stove for solid biomass | |
| CN211339403U (en) | Small-scale movable grading pyrolysis gasification device | |
| CN206955961U (en) | A kind of gasification furnace fire grate and the gasification furnace using the fire grate | |
| CN203474733U (en) | Clinker gasifying furnace of pressurizing fixed bed | |
| CN107937035B (en) | Pulverized coal pressurized gasification device and method with two sections of double-circulation fluidized bed coupled | |
| CN106318467A (en) | Gasification reactor and gasification system | |
| CN111676065A (en) | Biomass and coal co-gasification system and gasification method | |
| CN207632750U (en) | A kind of four sections of heat reclamation type efficient gasification furnaces | |
| CN207108931U (en) | Gasification furnace and coal gas processing system | |
| CN207276564U (en) | sludge gasification furnace | |
| CN101892084A (en) | Large-scale fixed bed biomass gasification furnace and production process of gas with low oxygen content |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200817 Address after: 116047, Liaoning City, Dalian Province Lushunkou Double Island Bay Street Hill Village Patentee after: DALIAN JINZHON DINGXIN TECHNOLOGY Co.,Ltd. Address before: 100000, No. 8, Zhongguancun Software Park, 8 West Wang Road, Beijing, Haidian District 307 Patentee before: BEIJING BRANCH OF DALIAN JINZHONG DINGXIN TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220509 Address after: 116000 No. 5, Longwan Road, Jinzhou District, Dalian City, Liaoning Province Patentee after: DALIAN JINZHOU HEAVY MACHINERY CO.,LTD. Address before: 116047 shuangdaowan Jie Dao Shantou village, Lushunkou District, Dalian City, Liaoning Province Patentee before: DALIAN JINZHON DINGXIN TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right |