CN102816605A - Two-section type multi-nozzle gasifying furnace with hierarchical oxygen supplying function and gasifying method of gasifying furnace - Google Patents
Two-section type multi-nozzle gasifying furnace with hierarchical oxygen supplying function and gasifying method of gasifying furnace Download PDFInfo
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Abstract
The invention relates to a two-section type multi-nozzle gasifying furnace with a hierarchical oxygen supplying function. The two-section type multi-nozzle gasifying furnace comprises a gasifying furnace body. A top technical nozzle chamber with a top technical nozzle inside is arranged on the top of the gasifying furnace body, at least two side technical nozzle chambers with side technical nozzles inside are arranged on sides of the gasifying furnace body, a discharge outlet is arranged at the bottom of the gasifying furnace body, and at least two secondary oxygen supply spraying gun chambers are arranged on the straight section, between the side technical nozzle chambers and the discharge outlet, of the gasifying furnace body. The two-section type multi-nozzle gasifying furnace with the hierarchical oxygen supplying function is characterized in that the side technical nozzle chambers and the secondary oxygen supply spraying gun chambers are symmetrically arranged on the periphery of the gasifying furnace body, and secondary oxygen supply spraying guns are mounted in the secondary oxygen supply spraying gun chambers. The invention further provides a gasifying method of the two-section type multi-nozzle gasifying furnace with the hierarchical oxygen supplying function. Temperature in the gasifying furnace is more uniform and reasonable in distribution and local high temperature inside the gasifying furnace is avoided.
Description
Technical field
The present invention relates to a kind of carbonaceousmaterial gasification installation, relate in particular to a kind of classification oxygen supply two-part multi-nozzle airflow bed gasification furnace and gasification process thereof.
Background technology
Existing entrained flow bed gasification technology is with the process of carbonaceousmaterials such as coal, Jiao gasification; The mode that generally adopts same burner to drop into simultaneously fuel and oxygen is like U.S. Pat 4707163, US4637823, US4527997 and Chinese patent CN200980132394.3.Because the response behaviour in the uncontrollable vapourizing furnace makes that the temperature distribution in the vapourizing furnace is unreasonable.Have high temperature, highly compressed multiphase flow, heat transfer and complicated gasification reaction process in the airflow bed gasification furnace, so stove inner-wall surface special protection material will directly determine the safe operation of vapourizing furnace.In order to solve localized hyperthermia's problem of airflow bed gasification furnace top wall flooring; Application number is that the patent of invention of CN201110436956.2 discloses a kind of two-part multi-nozzle vapourizing furnace; As shown in Figure 1, comprise vapourizing furnace main body 1, process burner chamber, side 2, side process burner 3, top process burner 6, process burner chamber, top 7 and the slag-drip opening 8 that is positioned at vapourizing furnace main body 1 bottom.Above-mentioned two-part multi-nozzle vapourizing furnace is owing to adopt top nozzle vaporized chemical to branch to the hypomere nozzle; And the flame distribution in the airflow bed gasification furnace distributes directly related with oxygen; Make this vapourizing furnace hypomere gasification and burning produce localized hyperthermia, cause the work-ing life of furnace wall, vapourizing furnace hypomere vaporizer high-temperature zone lining material short partially.
Can find from the running condition of at present domestic and international airflow bed gasification furnace; The work-ing life of the interior regional area wall surface material of vapourizing furnace, weak point was one of principal element that influences the vapourizing furnace long-period stable operation partially; How to make in the vapourizing furnace temperature distribution more evenly rationally, avoid occurring localized hyperthermia in the vapourizing furnace and be solving one of the main path of weak point partially in vapourizing furnace stove inner-wall surface material work-ing life.
Summary of the invention
Technical problem to be solved by this invention is to make the interior temperature distribution of vapourizing furnace more evenly rationally, avoids occurring the localized hyperthermia in the vapourizing furnace.
In order to achieve the above object; Design of the present invention is vapourizing furnace to be designed to synthetic gas together discharge the entering subsequent technique from the vapourizing furnace outlet at bottom with the lime-ash that gasification produces; Be provided with a process burner with the vapourizing furnace coaxial arrangement at top of gasification furnace; Be provided with process burner layer and secondary in the vapourizing furnace side and give the oxygen spray gun layer, secondary is arranged between side process burner layer and the gasification outlet of still to oxygen spray gun.
A concrete technical scheme of the present invention has provided a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace; Comprise the vapourizing furnace main body;, vapourizing furnace main body top establishes the process burner chamber, top of top process burner in being provided with; Be provided with the process burner chamber, side of establishing the side process burner at least in two in the side of vapourizing furnace main body; Be provided with slag-drip opening in the vapourizing furnace bottom part body; On the straight section between process burner chamber, side and the slag-drip opening, be provided with at least two secondaries in the vapourizing furnace main body and give the oxygen spray gun chamber, it is characterized in that: process burner chamber, said side and said secondary give the oxygen spray gun chamber be symmetrically arranged in respectively said vapourizing furnace main body around, secondary is installed in said secondary to oxygen spray gun and gives oxygen spray gun indoor; Spray into fuel by top process burner and said side process burner to said vapourizing furnace main body, and only for fuel required oxygen is provided jointly for oxygen spray gun by said side process burner and said secondary.
Preferably, said top process burner and process burner chamber, said top and said vapourizing furnace main body coaxial arrangement.
Preferably, said side process burner chamber axis and said vapourizing furnace main body radial angle are 0～30 °; The angle β of said side process burner chamber axis and said vapourizing furnace body axis is 60～120 °.
Preferably, said side process burner axis and the angle ξ of process burner chamber, said side on horizontal plane are 0～30 °, and angle δ is 0～15 ° on vertical surface.
Preferably, said secondary is 0～30 ° to oxygen spray gun chamber axis and said vapourizing furnace main body radial angle ε; It is 60～120 ° that said secondary is given the included angle X of oxygen spray gun chamber axis and said vapourizing furnace body axis.
Preferably, it is 0～30 ° that said secondary gives the angle η of oxygen spray gun chamber on horizontal plane for oxygen spray gun axis and said secondary, and angle theta is 0～15 ° on vertical surface.
Preferably, the interior diameter of said slag-drip opening is 0.05～0.5D, and wherein, D is the interior diameter of said vapourizing furnace main body.
Preferably; Process burner chamber, said side upper space height is 1.5～3.5D, and it is 1～3D that process burner chamber, said side and said secondary are given the straight section height between the oxygen spray gun chamber, and it is 1～7D that said secondary is given bottom, oxygen spray gun chamber straight section height; Wherein, D is the interior diameter of said vapourizing furnace main body.
Preferably, said slag-drip opening in the angle Ψ that contracts be 25～65 °.
Another technical scheme of the present invention has provided a kind of gasification process of above-mentioned classification oxygen supply two-part multi-nozzle vapourizing furnace; It is characterized in that; Carbonaceousfuel and the required partly gasification agent of carbonaceousfuel are together sent in the vapourizing furnace main body from top process burner and side process burner respectively; The required remainder vaporized chemical of carbonaceousfuel sends in the vapourizing furnace main body for oxygen spray gun by secondary simultaneously; Wherein, do not comprise oxygen in the vaporized chemical of being sent into by the top process burner, the summation of the amount of oxygen in the vaporized chemical that amount of oxygen in the vaporized chemical that the side process burner is sent into and secondary are sent into to oxygen spray gun is the required total amount of oxygen of carbonaceousfuel.
Preferably, the gasification dosage from said top process burner and said side process burner accounts for 75%～95% of total operation gasification dosage.
Preferably, the gasification dosage of sending into to oxygen spray gun from said secondary accounts for 5%～25% of total operation gasification dosage.
Preferably, the conveying form of said carbonaceousfuel is slurry attitude carbonaceousfuel or powder attitude carbonaceousfuel.
It mainly is to consider from the following aspects that the present invention adopts the fuel two-part to feed with oxygen classification: at first; Existing industry operation vapourizing furnace such as U.S. Pat 4707163, US4527997 and Chinese patent CN98110616.1 go up the feed type vapourizing furnace for two kinds and in actual motion, all have refractory liner local short partially problem in work-ing life in the vapourizing furnace; Particularly the furnace roof inner liner wall flooring life-span is shorter; Therefore the present invention is provided with a process burner at furnace roof; But do not spray into oxygen when top of the present invention process burner sprays into fuel simultaneously, make the furnace roof internal space reduce thermopositive reaction such as burning, to reduce the temperature of furnace roof inner lining material; A large amount of thermopositive reaction takes place in the opposing party when the process burner layer sprays into fuel and vaporized chemical in the side; In order to prevent near the localized hyperthermia the process burner layer of side, therefore adopt classification oxygen supply technology, with the part shunting that always gets into the required gasified oxygen of fuel; Secondary by vapourizing furnace side process burner below feeds to oxygen spray gun; So make the interior temperature distribution of stove more even, gasification reaction is more thorough, has improved efficiency of carbon conversion and cold gas efficiency.In addition, secondary is arranged on the vapourizing furnace middle and lower part to oxygen spray gun, helps to improve vapourizing furnace middle and lower part temperature, when promoting vapourizing furnace middle and lower part gasification reaction, guarantees to realize slag tap.
The present invention is than the remarkable advantage of prior art:
1) airflow bed gasification furnace of the present invention divides two-part to feed carbonaceousfuel; And the top process burner is aerating oxygen not; Top of gasification furnace spatial temperature is reduced greatly; The top of gasification furnace inner lining material is washed away in the high-speed impact mixing formed behind the side process burner feeding fuel below the fuel that the top process burner feeds had also been avoided flame and high temperature logistics, has greatly improved the life-span of top of gasification furnace refractory liner;
2) airflow bed gasification furnace of the present invention adopts the mode of classification oxygen supply to feed the required vaporized chemical of gasification; The secondary that part oxygen is branched between side process burner layer and gasification outlet of still gets into vapourizing furnace to oxygen spray gun, has improved the temperature distribution of vapourizing furnace, because secondary is arranged on the vapourizing furnace middle and lower part to oxygen spray gun; Therefore improved vapourizing furnace middle and lower part temperature; Promote vapourizing furnace middle and lower part gasification reaction, and guaranteed the smooth realization of slag tap, avoided the stifled slag of outlet;
3) vapourizing furnace of the present invention and gasification process are applicable to the gasification of carbonaceousmaterials such as coal, refinery coke, residual oil, pitch biomass and mud; Can adopt dry powder or fuel slurry feeding manner; Fuel tolerance is wide; Adopt the multi-nozzle arranged in form, be applicable to extensive gasification, and the adjustment of the load of being convenient to gasify.
Description of drawings
Fig. 1 is the axial section synoptic diagram of existing airflow bed gasification furnace technology;
Fig. 2 is a classification oxygen supply two-part multi-nozzle vapourizing furnace axial section synoptic diagram of the present invention;
Fig. 3 is the partial enlarged drawing of A part among Fig. 2;
Fig. 4 is the partial enlarged drawing of B part among Fig. 2;
Fig. 5 is the side process burner layer diagrammatic cross-section of classification oxygen supply two-part multi-nozzle vapourizing furnace of the present invention;
Fig. 6 is that the secondary of classification oxygen supply two-part multi-nozzle vapourizing furnace of the present invention is given oxygen spray gun layer diagrammatic cross-section.
Embodiment
For making the present invention more obviously understandable, now with preferred embodiment, and conjunction with figs. elaborates as follows.
As shown in Figure 2, classification oxygen supply two-part multi-nozzle vapourizing furnace provided by the invention comprises that vapourizing furnace main body 1, at least two side process burners 3 and process burner chamber, side 2, at least two secondaries give the slag-drip opening 8 of oxygen spray gun chamber 4, the top process burner 6 that is positioned at top of gasification furnace and process burner chamber 7, top and bottom for oxygen spray gun 5 and secondary.
Top process burner 6 is installed in the process burner chamber, top 7, and is positioned at vapourizing furnace main body 1 top and the 1 coaxial setting of vapourizing furnace main body, is used to feed carbonaceousfuel and oxygen-free vaporized chemical.
Above-mentioned vaporized chemical is that oxygen level is 21%～100% gas.Vaporized chemical can adopt air, water vapor, CO
2, pure oxygen and mixed gas thereof, to the dry powder charging time, can select gases such as oxygen, water vapor, carbonic acid gas and composition thereof for use.Vaporized chemical according to the invention does not comprise oxygen when feeding process burner chamber 7, top, can be water vapor, CO
2Deng and mixed gas; The main process burner chamber, top 7 that promotes feeds the devolatilization and the pyrolytic reaction of fuel; Do not produce thermopositive reaction such as burning; And the vaporized chemical that side process burner 3 feeds comprises oxygen, mainly utilizes the combustion-supporting property of oxygen, and oxygen and carbonaceousfuel are gasified and combustion reactions;
Preferably, the gasification dosage that feeds side process burner 3 accounts for 75%～95% of the total gasification of operation dosage, feeds secondary and accounts for 5%～25% of total operation gasification dosage for the gasification dosage of oxygen spray gun 5.
Secondary is installed in secondary for oxygen spray gun 5 and gives in the oxygen spray gun chamber 4.Secondary oxygen supply nozzle box 4 is arranged between process burner chamber 2, side and the slag-drip opening 8, and evenly low be symmetrically arranged in vapourizing furnace main body 1 around.
The oxygen that secondary can be adjusted for being provided with of oxygen spray gun chamber 4 for oxygen spray gun 5 and secondary and got into vapourizing furnace distributes; And being provided with of top of gasification furnace process burner 6 and process burner chamber, top 7 can be adjusted the fuel distribution that gets into vapourizing furnace main body 1, reaches the purpose of temperature in the reasonable adjusting stove.So the temperature in the vapourizing furnace main body 1 top area space obviously reduces, and has so also avoided the overtemperature that is uniformly distributed with that temperature distributing disproportionation causes in the stove that 2 oxygen supply in process burner chamber, side cause, thus the life-span of the interior refractory liner of raising stove.
In addition, secondary is arranged on the middle and lower part of vapourizing furnace main body 1 for oxygen spray gun 5, helps to improve the temperature of vapourizing furnace main body 1 middle and lower part, promotes the gasification reaction of middle and lower part, guarantees the vapourizing furnace slag tap simultaneously.
In addition, vapourizing furnace main body 1 is for having the cylindrical housings of wall refractory liner.Usually the wall refractory liner adopts lining of fire brick structure and water wall lining structure.
Like Fig. 3～shown in Figure 6, process burner chamber, side 2 axis and vapourizing furnace main body 1 radial angle are 0～30 °; The angle β of process burner chamber, side 2 axis and vapourizing furnace main body 1 axis is 60～120 °.Side process burner 3 axis and the angle ξ of process burner chamber, side 2 on horizontal plane are 0～30 °, and the angle δ on vertical surface is 0～15 °; It is 0～30 ° that secondary is given oxygen spray gun chamber 4 axis and vapourizing furnace main body 1 radial angle ε, and it is 60～120 ° that secondary is given the included angle X of oxygen spray gun chamber 4 axis and vapourizing furnace main body 1 axis; It is 0～30 ° that secondary gives the angle η of oxygen spray gun chamber 4 on horizontal plane for oxygen spray gun 5 axis and secondary, and the angle theta on vertical surface is 0～15 °.
Give the setting and the coupling of oxygen spray gun chamber 4 angles for oxygen spray gun 5 and secondary through side process burner 3 and process burner chamber, side 2, secondary; Can in stove, form percussion flow or rotating fluid comes the enhancing mixed process and improves the residence time of fuel pellet in stove; Thereby reach good technology and engineering effort, realize that the available gas composition is high, efficiency of carbon conversion is high and the furnace wall refractory liner life-span is long.
Slag-drip opening 8 interior diameters are 0.05～0.5D; Process burner chamber, side 2 upper space height are 1.5～3.5D; It is 1～3D that process burner chamber 2, side and secondary are given the straight section height of 4 of oxygen spray gun chambers; It is 1～7D that secondary is given bottom, oxygen spray gun chamber straight section height, and wherein, D is that the interior diameter of vapourizing furnace main body 1 does.
The angle that contracts in the slag-drip opening 8 Ψ is 25～65 °.
To above-mentioned classification oxygen supply two-part multi-nozzle vapourizing furnace, the present invention adopts following gasification process:
With the side-mounted classification oxygen supply of single nozzle overhead four nozzles two-part multi-nozzle airflow bed gasification furnace is example; Carbonaceousfuel is through delivery system; The vaporized chemical of part of fuel and oxygen-free gas from the top process burner 6 send into vapourizing furnace main body 1, residual fuel together feeds vapourizing furnace main body 1 through four vaporized chemicals that are arranged symmetrically in the side process burner 3 of unifying horizontal plane in vapourizing furnace main body 1 top and oxygen level 21%～100%.
The gasification dosage that process burner 6 and side process burner 3 are sent into from the top accounts for 75%～95% of operation vaporized chemical total amount, and residual oxidizing agent sends in the vapourizing furnace main body 1 for oxygen spray gun 5 by secondary.
The reaction process of carbonaceousmaterial in vapourizing furnace main body 1 mainly is divided into three parts:
Fuel that top process burner 6 is sent into and oxygen-free vaporized chemical (like carbonic acid gas, water vapor etc.) are at vapourizing furnace main body 1 headspace; Receive the thermal radiation effect of the flame, stove inwall, high-temperature gas, solid particulate etc. of lower space high-temperature gasification reaction; And the heat effects of bump or eddy flow stream thigh; Thermo-cracking taking place and discharge fugitive constituent, forms first reaction zone; Thermal cracking products and fugitive constituent flow downward, below mix again with fuel and vaporized chemical that side process burner 3 sprays into, issue first portion burning and gasification reaction at high temperature and oxygen effect; Owing to all send in the vapourizing furnace main body 1 to this regional fuel; And action required oxygen quantity not sufficient, so controlled should the zone thermopositive reaction, than an oxygen supply vapourizing furnace; This regional room temps obviously descends, and has formed second reaction zone; The residue uncompleted burned carbon continues together to flow downward with hot flue gas with other inflammable components, below mix once more with vaporized chemical that the secondary of side arrangement sprays into for oxygen spray gun 5, perfect combustion and gasification under high temperature, high oxygen concentration effect form the 3rd reaction zone; Simultaneously since the 3rd reaction zone though to send into the vaporized chemical total amount not high, improved hypomere temperature in the vapourizing furnace main body 1, guaranteed that slag discharges along the furnace wall with the liquid slag form membrane downwards, avoided stifled slag phenomenon; Subsequently, the mixture after vapourizing furnace main body 1 internal combustion continues to flow downward, and the carbon black particle in the component, methane equal water vapor, reversible gasification reaction takes place carbonic acid gas, has generated available gas composition CO and H
2, this zone is the 4th reaction zone.
Because occurring in the reaction of the 4th reaction zone is main with thermo-negative reaction, can reduce reaction zone temperature to a certain extent, be that temperature is rationally controlled in the vapourizing furnace, play the effect of protection stove inwall refractory liner relatively.
At last, synthetic gas that reaction generates and molten slag also flow to down, are discharged by slag-drip opening 8.
Following embodiment will further specify the present invention:
Embodiment
Present embodiment explanation: adopt classification oxygen supply two-part multi-nozzle vapourizing furnace of the present invention to carry out the result that gasification test obtains.
One day was handled 3000 tons of coal grading oxygen supply two-part multi-nozzle dry coal dust gasification furnaces; Vapor pressure 4.0MPa, wall are water wall structure, and top of gasification furnace is provided with one and the co-axial process burner of vapourizing furnace; Side process burner 3 has 4, and secondary has 4 for oxygen spray gun 5.Vapourizing furnace principal dimension parameter is seen shown in the table 1:
Table 1: vapourizing furnace principal dimension parameter
The employing pure oxygen gas is a vaporized chemical, and the top of gasification furnace process burner sprays into suitable quantity of water steam, and water vapor is controlled to be 0.15kg/kg with the ratio of total coal dust inlet amount, with N
2For carrier gas adds densification phase pulverized coal conveying, secondary sprays into oxygen to oxygen spray gun and accounts for 10% of total amount, the coal analysis data of used coal like following table 2 to shown in the table 5:
Table 2: technical analysis table
Table 3: ultimate analysis table
Table 4: calorific value and ash fusion point table
Table 5: coal ash analysis and coal dust Hardgrove grindability index table
| Parameter | Numerical value |
| The vapourizing furnace temperature out | 1380 |
| Near the temperature top of gasification furnace near wall | 950 |
| Efficiency of carbon conversion | 99 |
| Carbon ratio Nm3/1000kg coal (doing) | 0.94 |
| Steam coal is than kg/1000kg coal (doing) | 150 |
| Dry gas yied Nm3/1000kg coal (doing) | 1.85 |
| Cold gas efficiency % | 79.65 |
Table 6: vapourizing furnace technic index table
Though more than described embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited appended claims.Those skilled in the art can make numerous variations or modification to these embodiments under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (13)
1. classification oxygen supply two-part multi-nozzle vapourizing furnace; Comprise vapourizing furnace main body (1);, vapourizing furnace main body (1) top establishes the process burner chamber, top (7) of top process burner (6) in being provided with; Be provided with the process burner chamber, side (2) of establishing side process burner (3) at least in two in the side of vapourizing furnace main body (1); Be provided with slag-drip opening (8) in vapourizing furnace main body (1) bottom; Be positioned in vapourizing furnace main body (1) and be provided with at least two secondaries on the straight section between process burner chamber, side (2) and the slag-drip opening (8) and give oxygen spray gun chamber (4), it is characterized in that: process burner chamber, said side (2) and said secondary give oxygen spray gun chamber (4) be symmetrically arranged in respectively said vapourizing furnace main body (1) around, secondary is installed in said secondary for oxygen spray gun (5) and gives in the oxygen spray gun chamber (4); Spray into fuel by top process burner (6) and said side process burner (3) to said vapourizing furnace main body (1), and only for fuel required oxygen is provided jointly for oxygen spray gun (5) by said side process burner (3) and said secondary.
2. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1 is characterized in that: said top process burner (6) and process burner chamber, said top (7) and said vapourizing furnace main body (1) coaxial arrangement.
3. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1, it is characterized in that: said side process burner chamber (2) axis and said vapourizing furnace main body (1) radial angle are 0～30 °; The angle β of said side process burner chamber (2) axis and said vapourizing furnace main body (1) axis is 60～120 °.
4. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1; It is characterized in that: said side process burner (3) axis and the angle ξ of process burner chamber, said side (2) on horizontal plane are 0～30 °, and angle δ is 0～15 ° on vertical surface.
5. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1 is characterized in that: it is 0～30 ° that said secondary is given oxygen spray gun chamber (4) axis and said vapourizing furnace main body (1) radial angle ε; It is 60～120 ° that said secondary is given the included angle X of oxygen spray gun chamber (4) axis and said vapourizing furnace main body (1) axis.
6. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1; It is characterized in that: it is 0～30 ° that said secondary gives the angle η of oxygen spray gun chamber (4) on horizontal plane for oxygen spray gun (5) axis and said secondary, and angle theta is 0～15 ° on vertical surface.
7. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1, it is characterized in that: the interior diameter of said slag-drip opening (8) is 0.05～0.5D, wherein, D is the interior diameter of said vapourizing furnace main body (1).
8. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1; It is characterized in that: process burner chamber, said side (2) upper space height is 1.5～3.5D; It is 1～3D that process burner chamber, said side (2) and said secondary are given the straight section height between oxygen spray gun chamber (4); It is 1～7D that said secondary is given bottom, oxygen spray gun chamber (4) straight section height, and wherein, D is the interior diameter of said vapourizing furnace main body (1).
9. a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1, it is characterized in that: the angle Ψ that contracts in the said slag-drip opening (8) is 25～65 °.
10. gasification process that adopts classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 1; It is characterized in that; Carbonaceousfuel and the required partly gasification agent of carbonaceousfuel are together sent in the vapourizing furnace main body (1) from top process burner (6) and side process burner (3) respectively; The required remainder vaporized chemical of carbonaceousfuel sends in the vapourizing furnace main body (1) for oxygen spray gun (5) by secondary simultaneously; Wherein, Do not comprise oxygen in the vaporized chemical of being sent into by top process burner (6), it is the required total amount of oxygen of carbonaceousfuel that amount of oxygen in the vaporized chemical that side process burner (3) is sent into and secondary are given the summation of the amount of oxygen in the vaporized chemical that oxygen spray gun (5) sends into.
11. the gasification process of a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 10 is characterized in that: the gasification dosage of process burner (6) and said side process burner (3) accounts for 75%～95% of total operation gasification dosage from said top.
12. the gasification process of a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 10 is characterized in that: the gasification dosage of sending into for oxygen spray gun (5) from said secondary accounts for 5%～25% of total operation gasification dosage.
13. the gasification process of a kind of classification oxygen supply two-part multi-nozzle vapourizing furnace as claimed in claim 10 is characterized in that: the conveying form of said carbonaceousfuel is slurry attitude carbonaceousfuel or powder attitude carbonaceousfuel.
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| CN103725327A (en) * | 2014-01-21 | 2014-04-16 | 杭州全合科技有限公司 | Gasification entrained-flow bed coal powder gasification furnace and gasification method of micro-positive pressure air |
| CN103740410A (en) * | 2013-12-25 | 2014-04-23 | 河南金土地煤气工程有限公司 | Two-section type entrained-flow bed gasification device for biomasses and gasification method |
| CN104004549A (en) * | 2014-06-11 | 2014-08-27 | 华东理工大学 | Staged-oxygen-feed gasification furnace and gasification method thereof |
| CN104560207A (en) * | 2014-12-09 | 2015-04-29 | 煤炭科学技术研究院有限公司 | Gasification device of coal derived industrial gas |
| CN104974797A (en) * | 2015-07-07 | 2015-10-14 | 杭州全合科技有限公司 | Multifunctional coal gasification burner for two-stage type dry coal powder entrained flow gasification furnace |
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| CN110240944A (en) * | 2019-05-21 | 2019-09-17 | 浙江大学 | Method and device for co-production of coal gas and semi-coke by atmospheric-pressure high-temperature pyrolysis of pulverized coal with oxygen-enriched oxidation |
| CN110387266A (en) * | 2019-07-19 | 2019-10-29 | 浙江百能科技有限公司 | A New Type Low Calorific Value Slurry Fuel Gasifier |
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