CN106867588A - Tripper, sub-material ejection assemblies, gasification furnace and synthesis gas production method and system - Google Patents
Tripper, sub-material ejection assemblies, gasification furnace and synthesis gas production method and system Download PDFInfo
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- CN106867588A CN106867588A CN201510923979.4A CN201510923979A CN106867588A CN 106867588 A CN106867588 A CN 106867588A CN 201510923979 A CN201510923979 A CN 201510923979A CN 106867588 A CN106867588 A CN 106867588A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10K—PURIFYING OR MODIFYING THE CHEMICAL COMPOSITION OF COMBUSTIBLE GASES CONTAINING CARBON MONOXIDE
- C10K1/00—Purifying combustible gases containing carbon monoxide
- C10K1/02—Dust removal
- C10K1/024—Dust removal by filtration
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
- C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0909—Drying
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
Abstract
The invention discloses a kind of tripper, sub-material ejection assemblies, gasification furnace and synthesis gas production method and system, tripper (1) includes outer supervisor (12) and interior supervisor (11), inside and outside supervisor accordingly includes interior feed pipe (111), multiple interior sub-feed tubes (112), outer feed pipe (121) and multiple outer sub-feed tubes (122), and interior sub-feed tube is stretched into corresponding outer sub-feed tube to form sub-material tube unit.Gasified raw material and gasifying agent can be fluidizing in inside and outside two-way transfer passage of the state in tripper independently conveying and uniform distributing.Can maintain to expect the fluidisation state in chamber by blowback air inlet, bottom does not produce and deposits and prevent from blocking.The word-lifting formula of falling ェ of gasification furnace can increase the reaction time of gasified raw material, shorten the residence time of gas, can effectively improve efficiency of carbon con version and reduce gasification furnace cost of investment.By the flying dust in the crude synthesis gas of the adsorbable filtering homogeneity of the dried residue after gasifying of Quench in gasification process, filtering cost is reduced.
Description
Technical field
The present invention relates to the field of gasification of carbon-containing fuel, especially, it is related to a kind of multi nozzle of gasification furnace device and its gasification
Technique.
Background technology
The gasification principle of carbon-containing fuel is that carbon-containing fuel such as coal is transported through into nozzle spray after broken, dry
Enter in the gasification furnace of high temperature, then produce combustion reaction to produce synthesis gas.Further, can also be more toward being passed through in gasification furnace
Vapor to produce water gas reaction, increase the output of synthesis gas.
The diligent pursuit of this area researcher improves conveying device, feeding distribution mechanism, gasifying furnace device and its associated member, work
Skill flow etc., prevents conveying blocking, sub-material are uneven, gasification reaction is insufficient etc., to improve low efficiency of carbon con version, reduction equipment and work
Skill cost, equipment are durable in use.For example, disclosing a kind of gasifier injector in patent document CN1903998B, it includes
Two-stage slurry splitter and the injector faceplate for incorporating cooling system.Be separated into for main mudflow multiple two grades by first order separator
Single two grades of mudflows are separated into multiple three-level mudflows, three-level mudflow by mudflow, each two grades of mudflow further through second level separator
Then injected in the vaporizer of gasification furnace in high pressure mudflow form by mudflow injection-tube.Gasifying agent is then under high pressure with annular shape
Spray form by multiple annular impinging orifices for being incorporated into injector faceplate on each high pressure mudflow.
However, one-level mudflow is divided into multiple two grades of gasifier injectors of mudflow by this use cone as separator
There is a problem of the following aspects：
1), material is in course of conveying from top to down, because of material self gravitation and the shadow of pipeline " wall effect "
Ring, material from pipeline side with being generally difficult to desirability from conveyance conduit centrally through but being concentrated through, so then cone
Separator can lose sub-material function so that material only from two grades of mudflows one of them or it is several in flow through, cause sub-material pole
It is uneven；
2), there are many dead angles between multiple two grades of mudflow passages, be very easy to cause to block when material concentration is higher
Passage；
3), the mixed effect that multiple three-level mudflow passages can no doubt be strengthened between gas-solid is set, but in coal gasification course,
Relative to the combustion reaction of C and gasifying agent, C and H2O, C and CO2Gasification reaction degree finally determine the height of efficiency of carbon con version,
When reaction later stage H2O and CO2When concentration reaches balance, the degree that the two reactions are carried out mainly is determined by the length in reaction time
It is fixed.Cylinder vaporizer can neither improve vaporizer H2O and CO2Concentration, the reaction time can not be extended, therefore have a strong impact on
The height of efficiency of carbon con version.
Additionally, patent document CN101892086A also discloses that a kind of coal slurry gasifier for coal water slurry gasification, bag
Combustion chamber and shock chamber are included, wherein combustion chamber is the footpath burning chamber shell wide of class ellipsoid, at least two water-coal-slurry and oxygen
Three runner technique nozzle boxs are symmetricly set at the footpath wide of burning chamber shell and slope slightly downward, at least two water-coal-slurry and oxygen
The Channels of gas three slope slightly downward and are removably installed in each water-coal-slurry and the runner technique nozzle box of oxygen three, and
Nozzle opening towards combustion chamber, firebrick lining in combustion chamber shell body, at least two oxygen jet rooms, positioned at each water coal
Starch with the runner technique nozzle box of oxygen three below circumference at and be inclined upwardly, at least two oxygen jets are inclined upwardly and removable
It is installed on unloading in each oxygen jet room, and nozzle opening is towards combustion chamber.
The subject matter that the combustion chamber in this species ellipsoid footpath wide is present be to the processing of combustion chamber and installation requirement very
Height, the intensity of gasification be limited, reaction time is oversize, and gasifyin g yield is low, and gasification after flying dust be easy to corrosion top, fire resisting
Brick is easy to be etched and comes off.
The content of the invention
For drawbacks described above of the prior art or deficiency, the invention provides a kind of tripper, sub-material ejection assemblies and
The gasification furnace and synthesis gas production method and system of the sub-material ejection assemblies are installed, effectively to solve the thing that multiple nozzles are present
Expect the problems such as maldistribution and putty, efficiency of carbon con version are low, the intensity of gasification is low, flying dust filtering cost is high.
To achieve the above object, according to the first aspect of the invention, there is provided a kind of tripper, the tripper includes outer master
Pipe and interior supervisor, the outer supervisor material chamber in outer supervisor is closed chamber that is independent of one another and isolating with the interior supervisor material chamber in interior supervisor
Room, interior supervisor includes being respectively communicated with sub-feed tube in the interior feed pipe in interior supervisor's material chamber and multiple, and outer supervisor includes connecting outer master
The outer feed pipe in materials in the tube chamber and multiple outer sub-feed tubes, wherein each interior sub-feed tube stretch into corresponding outer sub-feed tube and extend from inside to outside
To form sub-material tube unit.
Preferably, arranged at equal intervals in a ring on the bottom wall that multiple outer sub-feed tubes are responsible for outside and stretched out from bottom wall, it is multiple
Interior sub-feed tube is also arranged at equal intervals in a ring on the bottom wall of interior supervisor, and each interior sub-feed tube coaxially extends from the bottom wall of interior supervisor
In to corresponding outer sub-feed tube, so as to form multiple sub-material tube units of annular arrangement.
Preferably, interior sub-feed tube is identical with the number of outer sub-feed tube and no less than 3, more preferably 3~24.
Preferably, the bottom of the bottom of outer supervisor and interior supervisor is cone or hemisphere with lower summit.
Preferably, tripper can also accordingly include interior anti-blowpipe and/or outer anti-blowpipe, the bottom that outer anti-blowpipe is responsible for outside
The outer supervisor's material chamber of low dot location connection, the interior anti-blowpipe in supervisor's material chamber extends from the low dot location of the bottom of interior supervisor in connection
It is in outer anti-blowpipe and protruding.
Preferably, tripper also includes interior main tube gas' distributor and/or outer main tube gas' distributor, interior main tube gas point
The low dot location that cloth device is arranged on interior supervisor's material chamber sentences the blowback air inlet for disperseing interior anti-blowpipe, and outer main tube gas' distributor is set
The low dot location in supervisor's material chamber sentences the blowback air inlet for disperseing outer anti-blowpipe outside.
Preferably, the upper port of interior supervisor and outer supervisor is closed, and outer feed pipe tangentially stretches out from the pipe wall of outer supervisor
Charging eddy flow is passed through can outwards be responsible in material chamber；Pipe wall tangentially extending to outer feed pipe of the interior feed pipe from interior supervisor
It is interior and protruding, it is passed through charging eddy flow can inwardly be responsible in material chamber.
Preferably, in forming sleeves structure interior sub-feed tube and outer sub-feed tube, the interior anti-blowpipe of forming sleeves structure and outer
In the interior feed pipe and outer feed pipe of anti-blowpipe and forming sleeves structure, the external part and overcoat of the inner sleeve in sleeve structure
The external part of pipe is flushed or stretched out in outside the external part of outer tube.
According to the second aspect of the invention, a kind of sub-material ejection assemblies are additionally provided, the sub-material ejection assemblies include nozzle
Arrangement panel, multiple nozzle units and above-mentioned tripper, nozzle unit be sleeve structure and with corresponding sub-material tube unit
Docking, multiple nozzle units are spaced and through being arranged on arrangement of nozzles panel.
Preferably, arrangement of nozzles panel is provided with the threaded mounting hole of insertion, and nozzle unit is by setting on outer tube wall
Connection screw thread is bolted in threaded mounting hole.
Preferably, multiple nozzle units are equidistantly spaced from a ring on arrangement of nozzles panel.
Preferably, the sub-material ejection assemblies also include nozzle cooling system, the nozzle cooling system include for flow into or
The cooling tube for flowing out the multiple dismantled and assembled three-way pipe of cooling medium and being set around each nozzle unit in arrangement of nozzles panel
Unit, is connected between the cooling pipe unit of two nozzle units of arbitrary neighborhood by dismantled and assembled three-way pipe.
Preferably, also extended through on arrangement of nozzles panel and be provided with multiple steam entries, the plurality of steam entry surround
Multiple nozzle unit arrangements.
According to the third aspect of the invention we, a kind of gasification furnace is additionally provided, the gasification furnace includes body of heater and above-mentioned sub-material
Ejection assemblies, the arrangement of nozzles panel of the sub-material ejection assemblies is arranged on the top of body of heater.
Preferably, body of heater includes the gasification section with vaporizer from top to bottom, the breeze way with cushion chamber and has
The Quench section of shock chamber, vaporizer is connected by cushion chamber with shock chamber, and arrangement of nozzles panel-level is arranged on the top of gasification section
Cover, enabling gasified raw material and gasifying agent are sprayed into towards vaporizer by nozzle unit vertically downwardly.
Preferably, the bottom of gasification section is formed as throat structure, and the throat structure is connected to breeze way inclined downward.
Preferably, vaporizer and cushion chamber are cylindrical cavity, and the height of vaporizer is no more than the total height of body of heater
1/3, preferably 1/6~1/3, the height of cushion chamber no more than the 1/3 of the total height of body of heater, and vaporizer internal diameter and cushion chamber
The ratio between internal diameter be not less than 2, preferably 2~10.
Preferably, continuously it is disposed with water-cooling wall on the inwall of vaporizer and the inwall of cushion chamber.
Preferably, syngas outlet is formed with the perisporium of shock chamber, the bottom of shock chamber is formed as slag bath, shock chamber
The ratio between internal diameter of internal diameter and cushion chamber is 1.2~1.5.
Preferably, shock chamber top is provided with chilling ring with the junction of cushion chamber, and the chilling ring is connected with and stretches into slag bath
Down-comer.
Preferably, the reaction temperature of gasification furnace be 1300 DEG C~3000 DEG C, preferably 1500 DEG C~2800 DEG C, more preferably
1900 DEG C~2500 DEG C.
According to the fourth aspect of the invention, a kind of method that coal gasification produces synthesis gas is additionally provided, method includes：
Gasification step：To gasified raw material and gasifying agent is input into gasification furnace, under gasification condition, make gasified raw material in gasification
There is gasification reaction in stove and produce crude synthesis gas and residue after gasifying；With
Synthesis gas filtration step：Treatment is dried to residue after gasifying, to form honeycombed grain material；Make crude synthesis gas and
Honeycombed grain material contacts to filter the flying dust in crude synthesis gas.
Preferably, gasification step is additionally included in gasification furnace carries out Quench to residue after gasifying and crude synthesis gas, and by Quench
Residue after gasifying and crude synthesis gas discharge gasification furnace afterwards.
When crude synthesis gas and honeycombed grain material contact are to filter flying dust, the temperature for controlling honeycombed grain material is 105
~200 DEG C, particle diameter is 0.1~15mm.
Preferably, after being dried treatment to residue after gasifying, control the aqueous volume of honeycombed grain material no more than porous
The 50% of the cumulative volume of granular materials, preferably 0~30%.
Preferably, in synthesis gas filtration step, dried honeycombed grain material is added in moving bed, makes thick conjunction
Filtered by honeycombed grain material in moving bed into gas.
Preferably, the method also includes：
Cleaning up filters step：Crude synthesis gas after washing and filtering are further removing flying dust.
Preferably, gasification reaction is carried out in above-mentioned gasification furnace of the invention.
According to the fifth aspect of the invention, the system that a kind of coal gasification produces synthesis gas is additionally provided, the system includes：
Gasified raw material is broken, dry and transportation system, for producing and conveying dry pulverized coal or water-coal-slurry；
Gasification furnace, dry and transportation system broken with gasified raw material connects, and in gasification furnace, dry pulverized coal or water-coal-slurry exist
There is gasification reaction in the presence of gasifying agent, generate crude synthesis gas and residue after gasifying；
Dreg removing system, is connected with gasification furnace, for residue after gasifying to be discharged into gasification furnace；
Drying unit, is connected with dreg removing system, and at least part of residue after gasifying is dried and formed in drying unit
It is honeycombed grain material；And
Filtering ash disposal system, is connected with drying unit and gasification furnace, in ash disposal system is filtered, crude synthesis gas and porous
Granular materials contacts to filter the flying dust in crude synthesis gas.
Preferably, filtering ash disposal system include moving bed, crude synthesis gas contacted with honeycombed grain material in moving bed with
Filtering flying dust.
Preferably, gasification furnace is according to the above-mentioned gasification furnace of the present invention.
According to above-mentioned technical proposal, the separate transfer passage of inside and outside two-way is formd in tripper of the invention,
Gasified raw material and gasifying agent can be passed through with fluidizing state in inside and outside transfer passage, and be divided by multiple sub-material tube units
Material.Wherein, can be by the blowback air inlet of the anti-blowpipe in binder bottom of chamber portion so that maintain fluidisation state in material chamber all the time, bottom is not
Deposition is produced, to prevent from blocking and cause sub-material efficiently, uniformly.At the top of gasification furnace, by multiple overheads of annular configuration
The distributor of nozzle and the uniform distributing of docking, may be such that the material spray of each nozzle is uniform, and oblate column type vaporizer and its bottom are contracted
Mouth design can increase the reaction time, shorten the residence time, can effectively improve efficiency of carbon con version and reduce gasification furnace cost of investment.In gas
In chemical industry skill, by Quench in gasification furnace and dried residue after gasifying with the flying dust in the crude synthesis gas of adsorption filtration homogeneity,
Filtering cost can be reduced, equipment for gasification overall cost of ownership is reduced.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Brief description of the drawings
Accompanying drawing is, for providing a further understanding of the present invention, and to constitute the part of specification, with following tool
Body implementation method is used to explain the present invention together, but is not construed as limiting the invention.In the accompanying drawings：
Fig. 1 be same test conditions under single injector scheme with multi-jet body of heater cross section radial direction mean velocity profiles versus；
Fig. 2 is the structural representation of the gasification furnace according to the preferred embodiment of the present invention；
Fig. 3 is the structure principle chart of the tripper according to the preferred embodiment of the present invention；
Fig. 4 is the sectional drawing of the tripper in Fig. 3, which illustrates tangentially feeding to form eddy flow；
Fig. 5 is the top view of the arrangement of nozzles panel according to the preferred embodiment of the present invention；
Fig. 6 is the schematic diagram of the gasification process of the gasification furnace according to the preferred embodiment of the present invention.
Description of reference numerals
The spray nozzle device of 1 tripper 2
3 body of heater 4 connects short tube
5 gasified raw materials are broken, the dry and dreg removing system of transportation system 6
The Venturi scrubbing equipment of 7 moving bed 8
The outer supervisor of supervisor 12 in 11
The nozzle unit of 21 arrangement of nozzles panel 22
The cushion chamber of 31 vaporizer 32
The syngas outlet of 33 shock chamber 34
Sub-feed tube in supervisor 112 in 111
Main tube gas' distributor in anti-blowpipe 114 in 113
The outer sub-feed tube of 121 outer feed pipe 122
The outer main tube gas' distributor of 123 outer anti-blowpipe 124
The cooling medium entrance of 211 steam entry 221
222 cooling mediums export 223 nozzle unit fixed panels
The water-cooling wall of 224 dismantled and assembled three-way pipe 311
The down-comer of 331 chilling ring 332
The slag-drip opening of 333 slag bath 334
The total height of the height H bodies of heater of H1 vaporizers
Specific embodiment
Specific embodiment of the invention is described in detail below in conjunction with accompanying drawing.It should be appreciated that this place is retouched
The specific embodiment stated is merely to illustrate and explain the present invention, and is not intended to limit the invention.
In the present invention, in the case where opposite explanation is not made, the noun of locality for using is typically pin such as " upper and lower, top, bottom "
It is for direction shown in the drawings or for each part mutual alignment relation on vertical, vertical or gravity direction
Description word；" vertical direction " refers to the paper above-below direction of diagram；" inside and outside " is commonly referred to as chamber
Chamber is inside and outside or radially inner and outer for the center of circle.
In addition, present applicant have submitted Chinese patent application No.201510740660.8 on November 14th, 2015,
It is integrally included in the application as reference.
Referring to Fig. 3, present invention firstly provides a kind of novel distributor, the tripper 1 includes 12 and interior supervisor of outer supervisor
11, the outer supervisor material chamber in outer supervisor 12 and the interior supervisor material chamber in interior supervisor 11 are closed chamber independent of one another and mutually isolated
Room, interior supervisor 11 includes being respectively communicated with sub-feed tube 112 in the interior feed pipe 111 in interior supervisor's material chamber and multiple, and outer supervisor 12 includes
The outer feed pipe 121 and multiple outer sub-feed tubes 122 in outer supervisor's material chamber are connected, wherein each interior sub-feed tube 112 stretches into correspondence
Outer sub-feed tube 122 extend to form sub-material tube unit from inside to outside.
In this tripper, inside and outside two-way transfer passage is formd by outer supervisor 12 and interior supervisor 11, so that example
Such as gasified raw material and gasifying agent is able to independently to be transported through multiple sub-material tube units to carry out independent uniform distributing, mutually not
Influence.The structure of this bushing type tripper is novel, compact, can be according to the external supervisor 12, interior of form, weight etc. of conveying material
Supervisor 11 and its pipe diameter size of feed pipe and sub-feed tube carry out matched design, are allowed to convey material and remain stream in material chamber
Change state, do not produce any material deposition or blocking etc. in transfer passage as far as possible.
Specifically, multiple outer sub-feed tubes 122 are responsible on 12 bottom wall and preferably arrange at equal intervals in a ring and the bottom of from outside
Wall is stretched out, and multiple interior sub-feed tubes 112 are also correspondingly arranged at equal intervals in a ring on the bottom wall of interior supervisor 11, each interior sub-feed tube
112 coaxially extend in corresponding outer sub-feed tube 122 from the bottom wall of interior supervisor 11.As shown in figure 3, interior sub-feed tube 112 therein
Number with outer sub-feed tube 122 is preferably identical, be particularly preferably respectively 3~24 (according to technique it needs to be determined that) so that
Form multiple sub-material tube units of annular arrangement so that structural symmetry is strong, and sub-material is uniform.In assembling, can be set on bottom wall
Multiple material-distributing holes of annular arrangement are put, each sub-feed tube is plugged on corresponding material-distributing hole the installation for being capable of achieving sub-feed tube.
Wherein, as shown in figure 4, outer feed pipe 121 is preferably tangentially stretched out with can be to from the pipe wall of outer supervisor 12
Charging eddy flow is passed through in outer supervisor's material chamber；Pipe wall tangentially extending to outer feed pipe 121 of the interior feed pipe 111 from interior supervisor 11
It is interior and protruding, it is passed through charging eddy flow can inwardly be responsible in material chamber.No matter gasified raw material or gasifying agent are with fluid shape
State is conveyed, and after chamber is expected, will be surround along material cavity wall, charging eddy flow is formed, so as to fully flow so that during stop
Between it is long, be easy to sub-material uniform.
Stream can be fallen in chamber is expected due to self gravitation, therefore bottom wall is preferably diagonally downward, enters in order to stream
Entering each material-distributing hole carries out sub-material.In the present embodiment, the bottom wall (or bottom) of outer supervisor 12 and it is interior be responsible for 11 bottom wall (or bottom
Portion) be both preferably funnel shaped, i.e., conical walls (or cone) form with lower summit.So, material bottom of chamber portion is sunk down into
Stream can be flowed into easily in material-distributing hole along conical walls.
But the stream with solid particle may produce deposition on the lower summit (i.e. low dot location) of conical walls.Therefore exist
In the present invention, if the material conveyed in inside and outside supervisor has solid particle, tripper 1 can also correspondingly include sleeve structure
Interior anti-blowpipe 113 and/or outer anti-blowpipe 123, outer anti-blowpipe 123 is responsible for the outer supervisor of low dot location connection of 12 bottom wall outside
Material chamber, the low dot location that bottom wall of the interior anti-blowpipe 113 in interior supervisor's material chamber from interior supervisor 11 is stated in connection extends to outer anti-blowpipe 123
It is interior and protruding.By the blowback air inlet of anti-blowpipe, the stream of the deposition that can kick up upwards makes material cavity fluid all the time in stream
Change state, prevents from blocking and ensureing that material is evenly distributed.If certainly it will be appreciated to those of skill in the art that interior supervisor or outer
Gasifying agent is simply conveyed in supervisor, i.e., in the absence of situation about blocking, then corresponding anti-blowpipe need not be set.
It is highly preferred that tripper 1 may also include interior main tube gas' distributor 114 and/or outer main tube gas' distributor 124,
The low dot location that interior main tube gas' distributor 114 is arranged on interior supervisor's material chamber sentences the blowback air inlet for disperseing interior anti-blowpipe 113, outward
The low dot location that main tube gas' distributor 124 sets supervisor's material chamber outside sentences the blowback air inlet for disperseing outer anti-blowpipe 113.It is this
Gas distributor can be the shell cavity capacity on the top arc face of simple structure with each stomata, be distributed by setting gas
Device may be such that the air inlet dispersion of anti-blowpipe evenly, and will not produce excessive agitation to the flow field in material chamber.
Referring to Fig. 3 and Fig. 4, interior sub-feed tube 112 and outer sub-feed tube 122, interior anti-blowpipe 113 and outer anti-blowpipe 123 and interior
Feed pipe 111 and outer feed pipe 121 are three groups of sleeve pipes of forming sleeves structure.In each group sleeve structure, inner sleeve is stretched
Go out end (i.e. outer end) flush or stretch out in outside the external part of outer tube with the external part of outer tube, in order to inner sleeve outer end and
The docking operation of connecting tube, and the input and output material of inner sleeve can not be influenceed by outer tube.
On the basis of above bushing type sub-feed tube, present invention also offers a kind of sub-material ejection assemblies, sub-material injection
Component includes spray nozzle device 2 and above-mentioned tripper 1.Spray nozzle device 2 includes that arrangement of nozzles panel 21 is more with what is be mounted thereon
Individual nozzle unit 22, nozzle unit 22 is similarly sleeve structure, can be by connecting the grade of short tube 4 with corresponding sub-material tube unit pair
Connect, multiple nozzle units 22 are spaced and through being arranged on arrangement of nozzles panel 21.So, from multiple sub-material tube units
Sub-material stream out can be sprayed into gasification furnace vertically by corresponding nozzle unit 22.
Likewise, when multiple sub-material tube units are arranged in a ring, interfaced multiple nozzle units 22 are in nozzle
Also it is equidistantly spaced from a ring on arrangement panel 21.Nozzle unit 22 is preferably in be inserted vertically on arrangement of nozzles panel 21
Shape.Wherein, nozzle unit 22 can be arranged on arrangement of nozzles panel 21 by various suitable methods.It is preferred in the present embodiment
Use screw connection manner, i.e. arrangement of nozzles panel 21 to be provided with the threaded mounting hole of insertion, nozzle unit 22 is by outer tube wall
The connection screw thread of setting is bolted in threaded mounting hole.This screw connection manner not only facilitates dismounting, changes, and is also convenient for example described as follows
The arrangement of cooling tube and maintenance etc..
To control the temperature of nozzle unit 22, increase the service life, sub-material ejection assemblies may also include nozzle cooling system.
As shown in figure 5, the nozzle cooling system is including for flowing in or out the multiple dismantled and assembled three-way pipe 224 of cooling medium and spraying
Mouth arrangement panel 21 in around each nozzle unit 22 set cooling pipe unit, two nozzle units 22 of arbitrary neighborhood it is cold
But it is connected by dismantled and assembled three-way pipe 224 between pipe unit.Two ports of dismantled and assembled three-way pipe 224 connect adjacent two respectively
Individual cooling pipe unit, another port can be used as cooling medium entrance 221 or cooling medium outlet 222.Preferably, cooling medium
Entrance 221 and cooling medium export 222 circumferentially spaced arrangements, to cause that the cooling medium flowing of each cooling unit is uniform, close
Reason.Wherein, cooling pipe unit can be embedded in arrangement of nozzles panel 21 and coil outside nozzle unit 22, in arrangement of nozzles panel 21
Top fixed by nozzle unit fixed panel 223, only externally reserve cooling medium entrance 221 and cooling medium outlet 222.
Additionally, multiple steam entries 211 can be also provided through on arrangement of nozzles panel 21, the plurality of steam entry
211 arrange around multiple nozzle unit 22.Steam entry 211 is used for vapor is sprayed into gasification furnace, to realize water coal
Solid/liquid/gas reactions.The number of the steam entry 211 set on arrangement of nozzles panel 21 needs setting according to panel size and technique,
For example it is preferably 3-72.
Additionally, present invention also offers gasification furnace as shown in Figure 2, the gasification furnace includes body of heater 3 and above-mentioned sub-material spray
Component is penetrated, the arrangement of nozzles panel 21 of the sub-material ejection assemblies is arranged on the top of body of heater 3.
Overhead multiinjector structure is employed herein, and this is because gasification cold work die shows：Overhead single injector single injector is penetrated
Stream distance is more long, and overhead multiinjector stream distance is relatively short；From the point of view of dispersion effect, multiinjector dispersion effect is significantly better than
Single injector.Fig. 1 illustrates single injector and multiinjector cross section radial direction mean velocity profiles versus under same experimental conditions, from Fig. 1
In as can be seen that single injector central jet speed in body of heater reaches nearly 70m/s, and radially the VELOCITY DISTRIBUTION of position under drastically
Drop trend, and the multi-jet VELOCITY DISTRIBUTION performance of overhead is more gentle.According to high-speed camera also traceable shooting the same terms
Lower single injector and multi-jet flow field figure (not shown), granule density is larger and high concentration area on furnace wall when can show single injector
It is larger, and multiinjector granule density only near nozzle is slightly higher, but it is high to can not show a candle to single injector concentration, and multiinjector high concentration area
Much smaller than single injector, and the center both sides that overhead multiinjector can be in gasification furnace form two reverse whirlpools, and whirlpool chi
Degree is smaller.Thus illustrate, overhead multiinjector has the small yardstick back-mixing to body of heater both sides, but body of heater center is substantially without back-mixing.
Therefore, overhead multiinjector has that jet length is short, dispersion effect is good and its both sides back-mixing is presented in fluid field in furnace
Phenomenon.Result of the test also confirm that for the gasification space required for overhead multiinjector compared to single injector it is much smaller, gasification can be reduced
Room takes up room.Certainly, present invention is also not necessarily limited to use above-mentioned overhead nozzle arrangements, it would however also be possible to employ for example shell-and-tube is same
Overhead nozzle of axle fluidic architecture etc.；And described tripper is also not necessarily limited to, using above-mentioned single-stage and single sleeve structure, also may be used
Being multi-level hierarchical and many sleeve pipe distributing structures etc.
The present invention not use only it is above-mentioned with bushing type sub-feed tube and the multi-jet sub-material ejection assemblies of overhead, also to stove
Body structure is optimized design.As shown in Fig. 2 body of heater 3 is including the gasification section with vaporizer 31 from top to bottom, with slow
The breeze way and the Quench section with shock chamber 33 in chamber 32 are rushed, vaporizer 31 is connected by cushion chamber 32 with shock chamber 33, nozzle
Arrangement panel 21 is horizontally arranged on the top cover of gasification section, enabling vertical by nozzle unit 22 and steam entry 211
Gasified raw material, gasifying agent and vapor are sprayed into downwardly toward vaporizer 31, in order to produce gasification reaction.People in the art
Member know, more vapor are passed through to promote water gas reaction by steam entry 211, carbon conversion can be effectively increased
Rate.Combustion reaction and water gas reaction are completed in vaporizer 31, and product includes crude synthesis gas and residue after gasifying, passes through
Cushion chamber 32 reaches shock chamber 33, and syngas outlet 34 and slag-drip opening 334 respectively therefrom are discharged finally.Certainly, this area
Technical staff by steam entry 211 herein, it is understood that for the water vapour after anti-consumption supplements not enough, can be mended
Fill, but be not limited to this, water vapour can also with oxygen one piece be transported in gasification furnace by outer tube.
Wherein, the purpose of design of breeze way is on the one hand to consider that gasification temperature is too high, if setting water-cooled in breeze way
Wall is conducive to lowering the temperature by synthesis gas therein；Secondly, breeze way is connected with vaporizer can suitably increase the gasification reaction time.
Especially, the bottom of gasification section is formed as throat structure, and the throat structure is connected to breeze way inclined downward.Gas
This necking design for changing room reduces vaporizer space, can improve gasification reaction temperature, can also make CO2、H2O and part are not
Vaporizer 31 is back to after the materials such as the carbon residue of reaction touching bottom wall to continue to react, can effectively improve secondary response thing CO2And H2O
Concentration and reaction time, thus improve efficiency of carbon con version.By gasification furnace of the invention, efficiency of carbon con version up to 99% with
On, synthesis gas composition consumes about 290Nm up to more than 90% than oxygen3/1000Nm3(CO+H2)。
Because the overhead multiinjector of vaporizer has the features such as gas-solid mixing effect is good, flame is short, temperature is high, therefore compare
For the vaporizer of existing gasification furnace, the height of vaporizer 31 can shorten, and the width of vaporizer 31 can be wider, with preferably cloth
Multiple nozzles are put, and being designed with for throat structure flows back (back-mixing) to high temperature beneficial to reaction gas and the complete gasified raw material of unreacted
At flame, there is C and CO2Secondary response, improve efficiency of carbon con version.The radial dimension of cushion chamber 32 shortens design and can shorten gas
The body residence time, reduce body of heater size and cost of investment.
In the present embodiment, as shown in Fig. 2 vaporizer 31 and cushion chamber 32 are both preferably cylindrical cavity, vaporizer
31 height H1 no more than the 1/3 of the overall height H of body of heater 3, preferably 1/6~1/3, and vaporizer 31 internal diameter and cushion chamber 32
The ratio between internal diameter be not less than 2, be preferably 2~10 according to practical application.The Proper Design of falling I-shaped for so being formed is reduced
The body of heater volume and cost of investment of gasification furnace.The parallel multiinjector arrangement of overhead and the Proper Design of falling I-shaped also enhance gas-solid
Between mixing.In addition, water-cooling wall 311 is also continuously disposed with the inwall of the inwall of vaporizer 31 and cushion chamber 32, to protect
Inboard wall of furnace body.
Especially, the top of shock chamber 33 is also equipped with chilling ring 331 with the junction of cushion chamber 32, and the chilling ring 331 connects
It is connected to the down-comer 332 extended towards slag bath 333.The subsequent treatment of the synthesis gas after being provided with beneficial to Quench of chilling ring 331
(such as dedusting, desulfurizing and purifying).In product by the arrival of cushion chamber 32 shock chamber 33, crude synthesis gas are through chilling ring 331
After Quench speed decline, temperature reduction, from down-comer 332 into the water of slag bath 333 to remove more flying dusts, finally from swashing
The syngas outlet 34 formed on the perisporium of cold house 33 is discharged, and goes to synthesis gas processing unit.The slag of generation (gasifies residual
Slag) molten slag layer can be formed on water-cooling wall 311 to protect water-cooling wall 311, unnecessary slag generally to fall into Quench along water-cooling wall 311
In the slag bath 333 of the bottom of room 33, and discharged from slag-drip opening 334.
Using above-mentioned gasification furnace of the invention, the principle of its gasification process is as shown in fig. 6, the technique is walked including gasification reaction
Suddenly, the gasification reaction step includes being input into one of gasified raw material and gasifying agent by the outer feed pipe 121 of tripper, passes through
Interior feed pipe 111 is input into the other of gasified raw material and gasifying agent, and can be by the vapor on arrangement of nozzles panel 21
Entrance 211 supplements vapor, gasified raw material is issued raw gasification reaction in gasification condition in gasification furnace, produce crude synthesis gas and
Residue after gasifying is discharging.
Wherein, the gasification reaction temperature in vaporizer 31 is preferably kept between 1300 DEG C~3000 DEG C, more preferably
Between 1500 DEG C~2800 DEG C, or even between 1900 DEG C~2500 DEG C, to smoothly complete combustion reaction and water gas shift reaction
(CO+H2O→CO2+H2, C+H2O→CO+H2).Compared to the gasification furnace of prior art, the gasification temperature of the gasification furnace in the present invention
More than 2800 DEG C can be brought up to, as long as water-cooling wall and Quench heat exchange can ensure to subsequent technique parameter that such as synthesis gas goes out enough
The influences such as mouth temperature, residue after gasifying temperature are very small；After gasification temperature is improved, with reference to the multi-jet gas-solid mixing effect of overhead, gas
Change reaction faster, the residence time of vaporizer can be even shorter less than 0.5s, the residence time of breeze way is same less than 0.5s very
It is extremely shorter.
Especially, gasification process may also include synthesis gas filtration step, including：
The residue after gasifying produced in gasification reaction step is dried treatment, to form honeycombed grain material；Make thick conjunction
Contact to filter the flying dust in crude synthesis gas into gas and honeycombed grain material；
Will dry after temperature be 105~200 DEG C, particle diameter be the honeycombed grain material of 0.1~15mm as filter medium, make
300 DEG C or so of crude synthesis gas pass through dried honeycombed grain material to filter flying dust therein after Quench.
Wherein, gasification can largely be reduced as the flying dust in filter medium removal synthesis gas using residue after gasifying
The cost of investment of technique.Because the material composition of residue after gasifying and flying dust is substantially similar, and the residue after gasifying after being quenched hole
Porosity is higher, therefore flying dust is easily adsorbed with residue after gasifying, and dedusting effect is preferable.Wherein, dried residue after gasifying contains
Water volume should be not more than the 50% of cumulative volume, and preferably 0~30%, with to the preferable adsorption effect of flying dust.
Specifically, during dried residue after gasifying can add moving bed 7, crude synthesis gas are in moving bed 7 after drying
Residue after gasifying (i.e. honeycombed grain material) filtered.Then, gasification process is also included 200 DEG C or so after filtering of thick conjunction
Into the purified synthesis gas step that gas is washed by Venturi scrubbing equipment 8, so as to the synthesis gas after being purified.
It can be seen from Fig. 6, the system for producing synthesis gas using the coal gasification of the above method includes：
Gasified raw material is broken, dry and transportation system 5, for producing and conveying dry pulverized coal or water-coal-slurry；
Gasification furnace, dry and transportation system 5 broken with gasified raw material connects, and in gasification furnace, dry pulverized coal or water-coal-slurry exist
There is gasification reaction in the presence of gasifying agent, generate crude synthesis gas and residue after gasifying；
Dreg removing system, is connected with gasification furnace, for residue after gasifying to be discharged into gasification furnace；
Drying unit, is connected with dreg removing system, and at least part of residue after gasifying is dried and formed in drying unit
It is honeycombed grain material；And
Filtering ash disposal system, is connected with drying unit and gasification furnace, in ash disposal system is filtered, crude synthesis gas and porous
Granular materials contacts to filter the flying dust in crude synthesis gas.
Wherein preferably efficiently filter crude synthesis gas in moving bed 7.
Wherein, total technical process is：Gasified raw material is crushed by gasified raw material, dry and transportation system 5 enters gasification
After the body of heater 3 of stove, there is gasification reaction in the vaporizer 31 that temperature is 1500~2500 DEG C, partial gasification residue is from body of heater bottom
The dreg removing system 6 in portion is discharged, and temperature is about 100 DEG C to another part residue after gasifying after drying, into moving bed ash disposal system, gas
Crude synthesis gas after change are by after moving bed ash disposal system ash disposal, then turn into after venturi washing facility 8 and purified synthesis gas
Clean synthesis gas product.
Compared with prior art, gasification furnace provided by the present invention and its gasification process at least have following beneficial technology
Effect：
A), gasifying agent and gasified raw material can be separated into multiple passages by bushing type tripper, and its charging aperture is revolved using tangent line
Flow into material, and its bottom is provided with distributed blowback hole so that material remains fluidized state, can so ensure material point
The uniformity matched somebody with somebody, can also prevent line clogging；
B), the nozzle that each passage is formed is individually present, and its nozzle is connected using internal and external threads mode up and down, nozzle
Cooling water inlet and outlet are connected using detachable threeway, and the installation and removal of each nozzle are convenient, simple to operate；
C) mixing between, the Proper Design of the parallel multiinjector arrangement of overhead and similar I-shaped enhances gas-solid,
And the necking design of body of heater vaporizer reduces vaporizer space, can improve gasification reaction temperature, can also make CO2、H2O and
The Material recirculations such as the unreacted carbon residue in part continue to react to vaporizer, and reaction time and anti-is improve to a certain extent
Thing concentration is answered, so as to improve efficiency of carbon con version.Additionally, the Proper Design of falling I-shaped reduces gasification furnace body volume and it is invested
Cost.
D) flying dust in synthesis gas, is removed as filter medium using residue after gasifying, gasification work is largely reduced
The cost of investment of skill.Because the material composition of residue after gasifying and flying dust is substantially similar, and the residue porosity that Quench is crossed is higher, because
This flying dust is easily adsorbed with residue after gasifying, and dedusting effect is preferable.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
The bottom wall shape of outer supervisor or interior supervisor in monotropic type, such as bushing type tripper is not limited to the circular cone with lower summit
Shape, or wall hemisphere diagonally downward etc.；Connected mode between sub-material tube unit and nozzle unit is not also limited
In the sleeve pipe docking mode of diagram, can also be connected using bypass mode；It is also not necessarily limited to be cylindrical shape at the top of body of heater, can be with
It is hemispherical etc.；These simple variants are each fallen within protection scope of the present invention.
Each particular technique feature described in above-mentioned specific embodiment, in the case of reconcilable, can pass through
Any suitable mode is combined, and in order to avoid unnecessary repetition, the present invention is no longer another to various possible combinations
Row explanation.
Additionally, can also be combined between a variety of implementation methods of the invention, as long as it is without prejudice to originally
The thought of invention, it should equally be considered as content disclosed in this invention.
Claims (31)
1. tripper, the tripper (1) includes outer supervisor (12) and interior supervisor (11), the outer supervisor material in the outer supervisor (12)
Chamber is closure chamber that is independent of one another and isolating with the interior supervisor material chamber in the interior supervisor (11), and the interior supervisor (11) includes
The interior feed pipe (111) and multiple interior sub-feed tubes (112) in interior supervisor's material chamber are respectively communicated with, the outer supervisor (12) is including equal
Connect the outer feed pipe (121) in outer supervisor's material chamber and multiple outer sub-feed tubes (122), wherein each described interior sub-feed tube
(112) the corresponding outer sub-feed tube (122) is stretched into extend to form sub-material tube unit from inside to outside.
2. tripper according to claim 1, wherein, multiple outer sub-feed tubes (122) are in the outer supervisor (12)
Arranged at equal intervals in a ring on bottom wall and stretched out from the bottom wall, multiple interior sub-feed tubes (112) are in the interior supervisor (11)
Bottom wall on also arrange at equal intervals in a ring, each described interior sub-feed tube (112) is coaxially prolonged from the bottom wall of the interior supervisor (11)
Extend in the corresponding outer sub-feed tube (122), so as to form the multiple described sub-material tube unit of annular arrangement.
3. tripper according to claim 2, wherein, the number phase of the interior sub-feed tube (112) and outer sub-feed tube (122)
Together and no less than 3.
4. tripper according to claim 2, wherein, the bottom of the outer supervisor (12) and the bottom of the interior supervisor (11)
Portion is cone or hemisphere with lower summit.
5. tripper according to claim 2, wherein, the tripper (1) also includes interior anti-blowpipe (113) and/or outer
Anti-blowpipe (123), low dot location connection of the outer anti-blowpipe (123) in the bottom of the outer supervisor (12) outer supervisor's material
Chamber, the low dot location for connecting bottom of the described interior anti-blowpipe (113) in interior supervisor's material chamber from the interior supervisor (11) extends
It is in the outer anti-blowpipe (123) and protruding.
6. tripper according to claim 5, wherein, the tripper (1) also includes interior main tube gas' distributor (114)
And/or outer main tube gas' distributor (124), interior main tube gas' distributor (114) be arranged on it is described it is interior supervisor material chamber it is low
The blowback air inlet for disperseing the interior anti-blowpipe (113) is sentenced in point position, and outer main tube gas' distributor (124) is arranged on described
The low dot location in outer supervisor's material chamber sentences the blowback air inlet for disperseing the outer anti-blowpipe (113).
7. the tripper according to any one in claim 1~6, wherein, the interior supervisor (11) and outer supervisor (12)
Upper port closing, the outer feed pipe (121) tangentially stretched out with can be to described from the pipe wall of the outer supervisor (12)
Charging eddy flow is passed through in outer supervisor's material chamber；The interior feed pipe (111) is tangentially extending from the pipe wall of the interior supervisor (11)
It is in the outer feed pipe (121) and protruding, that can expect to be passed through charging eddy flow in chamber to the interior supervisor.
8. tripper according to claim 7, wherein, in the described interior sub-feed tube (112) of forming sleeves structure and outer point
The institute of expects pipe (122), the described interior anti-blowpipe (113) of forming sleeves structure and outer anti-blowpipe (123) and forming sleeves structure
In stating interior feed pipe (111) and outer feed pipe (121), the external part of the inner sleeve in described sleeve pipe structure and stretching out for outer tube
End is flushed or stretched out in outside the external part of the outer tube.
9. sub-material ejection assemblies, the sub-material ejection assemblies include arrangement of nozzles panel (21), multiple nozzle units (22) and according to
Tripper (1) in claim 1~8 described in any one, the nozzle unit (22) for sleeve structure and with corresponding institute
The docking of sub-material tube unit is stated, multiple nozzle units (22) are spaced and through being arranged on the arrangement of nozzles panel
(21) on.
10. sub-material ejection assemblies according to claim 9, wherein, the arrangement of nozzles panel (21) is provided with insertion
Threaded mounting hole, the nozzle unit (22) is bolted in the threaded mounting hole by the connection screw thread set on outer tube wall.
11. sub-material ejection assemblies according to claim 9, wherein, multiple nozzle units (22) are in the nozzle cloth
Put and be equidistantly spaced from a ring on panel (21).
12. sub-material ejection assemblies according to claim 11, wherein, the sub-material ejection assemblies also include nozzle cooling system
System, the nozzle cooling system is included for flowing in or out the multiple dismantled and assembled three-way pipe (224) of cooling medium and in the spray
Mouth arranges the cooling pipe unit set around nozzle unit each described (22) in panel (21), two sprays of arbitrary neighborhood
It is connected by the dismantled and assembled three-way pipe (224) between the cooling pipe unit of mouth unit (22).
The 13. sub-material ejection assemblies according to any one in claim 9~12, wherein, the arrangement of nozzles panel
(21) also extended through on and be provided with multiple steam entries (211), the plurality of steam entry (211) is around multiple nozzle lists
First (22) arrangement.
14. gasification furnaces, the gasification furnace includes that body of heater (3) and the sub-material according to any one in claim 9~13 are sprayed
Component, the top of the arrangement of nozzles panel (21) of the sub-material ejection assemblies installed in the body of heater (3).
15. gasification furnaces according to claim 14, wherein, the body of heater (3) is including from top to bottom with vaporizer
(31) gasification section, the breeze way with cushion chamber (32) and the Quench with shock chamber (33) section, the vaporizer (31) are led to
Cross the cushion chamber (32) to be connected with the shock chamber (33), the arrangement of nozzles panel (21) is horizontally arranged at the gasification section
Top cover on, enabling by the nozzle unit (22) vertically downwardly towards the vaporizer (31) spray into gasified raw material
And gasifying agent.
16. gasification furnaces according to claim 15, wherein, the bottom of the gasification section is formed as throat structure, the necking
Structures slope is down connected to the breeze way.
17. gasification furnaces according to claim 16, wherein, the vaporizer (31) and the cushion chamber (32) are cylinder
Shape chamber, the height of the vaporizer (31) is described no more than the 1/3, preferably 1/6~1/3 of the total height of the body of heater (3)
The height of cushion chamber (32) is no more than the 1/3 of the total height of the body of heater (3), and the internal diameter of the vaporizer (31) is slow with described
The ratio between the internal diameter in chamber (32) is rushed not less than 2, preferably 2~10.
18. gasification furnaces according to claim 16, wherein, the inwall of the vaporizer (31) and the cushion chamber (32)
Continuously water-cooling wall (311) is disposed with inwall.
19. gasification furnaces according to claim 15, wherein, it is formed with syngas outlet on the perisporium of the shock chamber (33)
(34), the bottom of the shock chamber (33) is formed as slag bath (333), in the internal diameter of the shock chamber (33) and the cushion chamber
The ratio between footpath is 1.2~1.5.
20. gasification furnaces according to claim 19, wherein, with the company of the cushion chamber (32) at the top of the shock chamber (33)
The place of connecing is provided with chilling ring (331), and the chilling ring (331) is connected with the down-comer (332) for stretching into the slag bath (333).
21. gasification furnaces according to claim 14, the reaction temperature of the gasification furnace is 1300 DEG C~3000 DEG C, preferably
1500 DEG C~2800 DEG C, more preferably 1900 DEG C~2500 DEG C.
The method that 22. coal gasifications produce synthesis gas, methods described includes：
Gasification step：To gasified raw material and gasifying agent is input into gasification furnace, under gasification condition, make the gasified raw material described
There is gasification reaction in gasification furnace and produce crude synthesis gas and residue after gasifying；With
Synthesis gas filtration step：Treatment is dried to the residue after gasifying, to form honeycombed grain material；Make the thick synthesis
Gas and the honeycombed grain material contact to filter the flying dust in the crude synthesis gas.
23. methods according to claim 22, wherein, the gasification step is additionally included in the gasification furnace to the gas
Changing residue and crude synthesis gas carries out Quench, and the residue after gasifying after Quench and crude synthesis gas are discharged into the gasification furnace.
24. methods according to claim 22, wherein, in the crude synthesis gas and honeycombed grain material contact with mistake
During filter flying dust, it is 105~200 DEG C to control the temperature of the honeycombed grain material, and particle diameter is 0.1~15mm.
25. methods according to claim 22, wherein, after treatment is dried to the residue after gasifying, control described many
The aqueous volume of hole granular materials is not more than the 50% of the cumulative volume of the honeycombed grain material, preferably 0~30%.
26. methods according to claim 22, wherein, in the synthesis gas filtration step, will be dried described many
Hole granular materials is added in moving bed (7), the crude synthesis gas is passed through the porous particle material in the moving bed (7)
Expect and filtered.
27. methods according to claim 22, also include：
Cleaning up filters step：Crude synthesis gas after washing and filtering are further removing flying dust.
28. method according to any one of claim 22~27, wherein, according to any one of claim 14~21 institute
The gasification reaction is carried out in the gasification furnace stated.
The system that 29. coal gasifications produce synthesis gas, the system includes：
Gasified raw material is broken, dry and transportation system (5), for producing and conveying dry pulverized coal or water-coal-slurry；
Gasification furnace, dry and transportation system (5) broken with the gasified raw material connects, in the gasification furnace, the dry pulverized coal
Or water-coal-slurry occurs gasification reaction in the presence of gasifying agent, crude synthesis gas and residue after gasifying are generated；
Dreg removing system, is connected with the gasification furnace, for the residue after gasifying to be discharged into the gasification furnace；
Drying unit, is connected with the dreg removing system, and at least part of residue after gasifying is done in the drying unit
It is dry and be formed as honeycombed grain material；And
Filtering ash disposal system, is connected with the drying unit and gasification furnace, in the filtering ash disposal system, the thick synthesis
Gas and the honeycombed grain material contact to filter the flying dust in the crude synthesis gas.
30. according to claim 29 system, wherein, it is described filtering ash disposal system include moving bed (7), the crude synthesis gas
Contact to filter flying dust with the honeycombed grain material in the moving bed (7).
31. according to claim 29 system, wherein, the gasification furnace is according to any one of claim 14~21
Gasification furnace.
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| CN107129833A (en) * | 2017-06-23 | 2017-09-05 | 航天长征化学工程股份有限公司 | Annular pulverized coal cavity |
| CN111349463A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Entrained-flow bed gasification system and method for dry pulverized coal |
| CN111349462A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Entrained-flow bed gasification system and method for coal water slurry |
| CN111349464A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Entrained-flow bed gasification system and method for dry pulverized coal |
| CN111349471A (en) * | 2018-12-24 | 2020-06-30 | 国家能源投资集团有限责任公司 | Burner and gasification furnace with same |
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| CN111349464B (en) * | 2018-12-24 | 2021-03-23 | 国家能源投资集团有限责任公司 | Entrained-flow bed gasification system and method for dry pulverized coal |
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Address after: 100011 Beijing Dongcheng District, West Binhe Road, No. 22 Patentee after: CHINA ENERGY INVESTMENT Corp.,Ltd. Patentee after: Beijing low carbon clean energy research institute Address before: 100011 Shenhua building, 22 West Binhe Road, Dongcheng District, Beijing Patentee before: SHENHUA GROUP Corp.,Ltd. Patentee before: Beijing low carbon clean energy research institute |