CN102492478B - Novel two-stage multi-nozzle pressurized gasifier and its gasification method - Google Patents
Novel two-stage multi-nozzle pressurized gasifier and its gasification method Download PDFInfo
- Publication number
- CN102492478B CN102492478B CN 201110436956 CN201110436956A CN102492478B CN 102492478 B CN102492478 B CN 102492478B CN 201110436956 CN201110436956 CN 201110436956 CN 201110436956 A CN201110436956 A CN 201110436956A CN 102492478 B CN102492478 B CN 102492478B
- Authority
- CN
- China
- Prior art keywords
- nozzle
- vaporizer
- gasification
- stage
- hypomere
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
Landscapes
- Industrial Gases (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses a two-stage multi-nozzle pressurized gasifier and its gasification method. A gasification chamber of the gasifier is divided into an upper stage and a lower stage. The ratio of the diameter of the upper-stage gasification chamber to the diameter of the lower-stage gasification chamber is 0.2-0.8 and the height ratio is 0.1-0.5. By the reduction of the diameter of the upper-stage gasification chamber, the jet backflow zone formation caused by the top nozzle jet can be weakened, the upward-flow amount of high-temperature flue gas in the lower-stage gasification chamber is controlled, the overall temperature of the upper-stage gasification chamber of the gasifier is reduced, and the service life is prolonged. The gasification method is as follows: a few gasifying agent injected from the top nozzle is 25-75% of the gasifying agent required by fuel injected from the top nozzle and the residual gasifying agent is supplemented from the nozzle at the side surface and sent into the gasifier; endothermic reactions such as pyrolysis and the like are performed in the upper-stage gasification chamber; and due to the excessively injected gasifying agent in the lower-stage gasification chamber, partial combustion reaction is performed, and a secondary gasification reaction between the gasifying agent and carbon or coal char particles from the upper-stage gasification chamber is performed to finally generate a synthetic gas. Therefore, carbon conversion rate and cold gas efficiency are raised.
Description
Technical field
The present invention relates to a kind of two-part multi-nozzle pressurized-gasification furnace and gasification process thereof.
Background technology
The gasification technology of carbonaceous fuels such as coal has obtained using widely in the production of combined cycle (IGCC) power generation assembly, synthetic ammonia and synthesizing methanol industry, sponge iron, the fields such as preparation of pure hydrogen, and vapourizing furnace then is the key equipment of crude fuel gasification.For this reason, numerous scientific and technical personnel have researched and developed various types of vapourizing furnaces.Existing can be with carbonaceous fuel gasifyings such as coal, Jiao, in the technology that adopts air flow bed to gasify, representationally mainly contain three kinds: adopting coal water slurry is the multi-nozzle opposed type coal slurry gasifier that the vapourizing furnace of raw material has units such as Texaco's (Texaco now be GE company) and China East China University of Science to develop; Employing dry coal powder is that the vapourizing furnace of raw material has Xie Er (Shell), the double-section dry coal powder gasifying furnace of GSP vapourizing furnace and Inst. of Pyrology, State Electric power Corp..According to the disclosed Inferior of Texaco Gasification Technology of document US 4637823, US4527997 and US5281243; this vapourizing furnace is the single nozzle overhead type; the stove flow field structure of single nozzle overhead type vapourizing furnace is basic identical; comprise the GSP vapourizing furnace; because the turbulence intensity of top jet is higher; exist partial material short circuit and formation than the phenomenon of large stream recirculating zone, stove flow field and temperature field are unreasonable, and the single nozzle vapourizing furnace also can run into a lot of difficulties in the process of extensiveization.Xie Er vapourizing furnace and double-section dry coal powder gasifying furnace all adopt coal gas and molten state slag to be countercurrent flow, and mainly there are two shortcomings in it, and on the one hand, the molten state slag is discharged vapourizing furnace downwards by gravity under the reverse holder power effect of air-flow, very easily the frozen plug cinder notch; On the other hand, the thin slag that is suspended in the air-flow is brought into syngas cooler and follow-up cooling and purifying equipment by air-flow, forms dust stratification easily and stop up in follow-up equipment and pipeline, and is also comparatively serious to the wearing and tearing of equipment.The multi-nozzle vapourizing furnace of exploitation such as document CN98110616.1 and 200510111484.8 disclosed East China University of Science adopts the side nozzle opposed type, owing to will form obviously bump flame after the burning of four strands stronger impinging jet, upwards clash into the work-ing life that flame directly threatens the top of gasification furnace refractory materials, make temperature field in furnace and gasification response behaviour unreasonable.In sum, although existing multiple multi-form vapourizing furnace has successfully been realized industrial applications, all there are problems such as reactant residence time irrational distribution, efficiency of carbon conversion is undesirable, temperature field in furnace is inhomogeneous to some extent.Chinese patent CN101003755 and CN2460865 are two-part multi-nozzle vapourizing furnaces, all adopt the method that nozzle is set at the top to improve, though suppressed the gasification flame of side nozzle bump generation to a certain extent to the impact of vapourizing furnace furnace roof, but the jet of top jet nozzle will produce bigger jet recirculating zone, and sufficient gasification reaction takes place in the fuel that top jet nozzle sprays near top of gasification furnace, also will produce a large amount of heats, so top of gasification furnace still bears washing away strongly of high temperature gas flow, have a strong impact on its work-ing life, so both stove flow fields are still unreasonable with gasification response organization.
In sum, the key of vapourizing furnace technological development is how to optimize the stove flow field, and the temperature that reaches near wall region territory in the vapourizing furnace evenly distributes, and away from the high-temperature zone.Therefore, a kind of extensive gasification technology efficiently of exploitation is one of gordian technique approach that improves China's fuel gasification engineering reliability.
Summary of the invention
One of purpose of the present invention provides a kind of novel two-part multi-nozzle pressurized-gasification furnace, and this top of gasification furnace need not bear washing away strongly of high temperature gas flow, can increase the service life.
For achieving the above object, technical scheme of the present invention is: a kind of novel two-part multi-nozzle pressurized-gasification furnace, comprise furnace shell, vaporizer and synthetic gas cooling room are set in the furnace shell, described vaporizer is divided into two sections, and first section is the epimere vaporizer, and second section is the hypomere vaporizer, the epimere vaporizer is 0.2～0.8 with the diameter ratio of hypomere vaporizer, aspect ratio 0.1～0.5; Epimere vaporizer top is provided with the nozzle box, 1 overhead technology nozzle is set in the nozzle box, hypomere vaporizer side along the circumferential direction is provided with at least one layer process burner chamber, arrange side technology nozzle in the process burner chamber, side technology nozzle mechanically is installed in the technology nozzle box, and vaporizer taper cinder notch is arranged on hypomere vaporizer bottom.By dwindling epimere vaporizer diameter, can weaken the formation of the jet recirculating zone that the top jet nozzle jet causes greatly, the effective control hypomere vaporizer high-temperature flue gas amount of flow that makes progress, help to reduce the bulk temperature of vapourizing furnace epimere vaporizer, thereby the problem of effectively having stopped epimere vaporizer furnace wall material overtemperature and washed away by high temperature gas flow has prolonged its work-ing life; Because the gasification of epimere vaporizer load is mainly the fuel that the overhead single nozzle is sent into, so its required gasification space aspect ratio hypomere vaporizer is much lower.
Different with the disclosed vapourizing furnace of CN2460865 with patent CN101003755 is; the present invention has realized the gasification process of subregion and classification simultaneously; most of fuel and vaporized chemical are sent into the hypomere vaporizer by side technology nozzle; react in hypomere vaporizer generating gasification; sub-fraction fuel and a small amount of vaporized chemical then spray in the epimere vaporizer by the overhead technology nozzle that is arranged in epimere vaporizer top; the high-temperature flue gas that it absorbs in the hypomere vaporizer carries out preheating; pyrolysis and partial gasification reaction; because vaporized chemical deficiency; and epimere vaporizer diameter is less; can not form obvious jet recirculating zone to the effect of entrainmenting of hypomere vaporizer high-temperature flue gas; effectively controlled the upwards mobile flux of hypomere vaporizer high-temperature flue gas; make the gasification reaction that the epimere vaporizer takes place be mainly reactions in earlier stage such as pyrolysis; the heat that produces reduces greatly; so the temperature in the epimere vaporizer reduces greatly, has effectively protected the furnace wall material of vapourizing furnace epimere vaporizer.The raw gas that the epimere vaporizer forms and semicoke then under the effect of entrainmenting of the downward circle of contact jet that many sides of hypomere vaporizer technology nozzle is gone, enter the hypomere vaporizer and carry out secondary reaction in main fuel enter the hypomere vaporizer.
The burner chamber of described hypomere vaporizer side arranges 1～3 floor, 4～6 sides of symmetric arrangement, every layer process burner chamber technology nozzle.
The vaporizer of vapourizing furnace is coil tube type or cantilever-type water wall type, or adopts refractory-lined hot wall type.
Vaporizer and synthetic gas cooling room be vertical and coaxial being connected in the pressure housing from top to bottom.
The axis of side of the present invention technology nozzle is tangential on same imaginary circle, and skew direction is consistent with angle excursion, and radially the angle excursion requirement is 1～8 °, axially descends 1～10 ° of angle excursion.Side technology nozzle is sent into crude fuel and the excessive vaporized chemical of part, and the gasification and the combustion reactions that take place at the hypomere vaporizer are for pyrolysis and the gasification of epimere vaporizer provides heat.
The set side technology nozzle of hypomere vaporizer adopts the Small angle circle of contact to arrange that circle of contact angle is 1～8 ° in the vapourizing furnace provided by the present invention.By discovering, this circle of contact angle is unsuitable excessive, and after surpassing 8 °, circle of contact swirl strength increases greatly, makes gasification flame angle of rotation excessive, and appearance gasification flame is rebuffed or is too approaching with the furnace wall, will be reduced the work-ing life of this zone furnace wall material greatly.And hypomere vaporizer thermal load is higher in the vapourizing furnace provided by the present invention, so suitable circle of contact angle is 1～8 °.
The set side of hypomere vaporizer technology nozzle adopts axial aforesaid downward angle to arrange that angle excursion is 1～10 ° in the vapourizing furnace provided by the present invention.Discover, if this angle excursion is crossed senior general residence time of material shortened, may cause gasification reaction thoroughly or situation such as vapourizing furnace outlet at bottom overtemperature occur.
By the preferred arrangement to side technology nozzle angle decoration form, make the vapourizing furnace flow field more reasonable, increased the residence time of coal tar particle in vaporizer on the one hand; Effectively strengthen mixing of coal tar and vaporized chemical on the other hand, thereby further improved efficiency of carbon conversion, also effectively improved the operation stability of vapourizing furnace.
Another object of the present invention is to disclose a kind of gasification process that adopts novel two-part multi-nozzle pressurized-gasification furnace of the present invention.
For achieving the above object, gasification process of the present invention is: fuel and vaporized chemical spray into vaporizer by overhead technology nozzle and side technology nozzle and carry out gasification reaction, a small amount of vaporized chemical that top jet nozzle sprays into is only for top jet nozzle sprays into 25%～75% of the required vaporized chemical of fuel, and the residue vaporized chemical is replenished by the side nozzle five equilibrium and sends into vapourizing furnace.So will form epimere vaporizer vaporized chemical deficiency, and because the diameter difference of upper and lower section vaporizer and jet recirculating zone, no obvious top, the high-temperature flue gas amount that upwards flows is very limited, therefore thermo-negative reaction such as pyrolysis only take place in the epimere vaporizer, and the hypomere vaporizer is excessive owing to spraying into vaporized chemical, the generating unit divided combustion is reacted, the carbonic acid gas that produces and water vapor will carry out the second gasification reaction with carbon or the coal tar particle from the epimere vaporizer, the final synthetic gas that generates so will improve whole efficiency of carbon conversion and cold gas efficiency effectively.
Compared with prior art, vapourizing furnace provided by the present invention and gasification process thereof have obvious advantages.The present invention has following main innovate point:
Organization optimization the stove flow field, make in the stove temperature distribution more reasonable.This vapourizing furnace adopts the two-part gasifying process, its most of fuel and vaporized chemical are sent into by side technology nozzle, react in hypomere vaporizer generating gasification, sub-fraction fuel and a small amount of vaporized chemical then spray in the epimere vaporizer by the overhead technology nozzle that is arranged in epimere vaporizer top, and the high-temperature flue gas that absorbs in the hypomere vaporizer carries out preheating, pyrolysis and partial gasification reaction, the raw gas that forms and semicoke are then under the effect of entrainmenting of the downward circle of contact jet that many sides of hypomere vaporizer technology nozzle is gone, enter the hypomere vaporizer and in main fuel is sent into the hypomere vaporizer, carry out secondary reaction, because many sides of hypomere technology nozzle adopts circle of contact jet, increased the residence time of coal tar particle in vaporizer on the one hand; Effectively strengthen mixing of coal tar and vaporized chemical on the other hand, thereby further improved efficiency of carbon conversion.The combustiblecomponents of coal gas is increased, and calorific value improves, and makes the interior temperature distribution of stove simultaneously more evenly rationally.The required vaporized chemical that gasifies is mainly sent into vapourizing furnace by side nozzle, greatly reduces the top of gasification furnace oxidizing intensity, and has reduced top of gasification furnace feed mentioned nozzle area temperature, has prolonged the work-ing life of this feed nozzle.And diameter and height by reducing the epimere vaporizer, can effectively avoid the formation of top jet nozzle jet recirculating zone, controlled the upwards circulation of hypomere vaporizer high-temperature flue gas, thereby make the gasification reaction of epimere vaporizer be in preliminary stage, reduce the temperature of epimere vaporizer, prolonged the work-ing life of its wall surface material.The efficiency of carbon conversion of this vapourizing furnace, cold gas efficiency and overall thermal efficiency are all than existing all kinds of vapourizing furnace height, and the design of employing multi-nozzle is particularly suitable for handling the extensive gasification production technique more than 2000 tons.Vapourizing furnace fuel use range of the present invention is wide, and its product is applicable to various Chemical Manufacture and IGCC power generation system.
Description of drawings
Fig. 1 is the structure diagram of vapourizing furnace;
Fig. 2 is side technology nozzle placement sectional view.
Description of reference numerals: overhead technology nozzle 1, nozzle box 2, epimere vaporizer 3, hypomere vaporizer 4, process burner chamber 5, side technology nozzle 6, vaporizer 7, furnace shell 8, chilled water water inlet 9, chilling ring 10, synthesize gas port 11, downtake 12, baffling pipe 13, slag bath 14, cinder notch 15, flame-proof thermal insulation material 16, vaporizer taper cinder notch 17 down.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments, but the present invention is not limited to following embodiment.
Referring to accompanying drawing 1, this vapourizing furnace is a upright cylinder, comprises two parts of vaporizer and synthetic gas cooling room, and vaporizer and synthetic gas cooling room shell 8 are a pressure-bearing shell.Vaporizer divides epimere vaporizer 3 (first reaction zone) and two parts of hypomere vaporizer 4 (second reaction zone), epimere vaporizer top is provided with nozzle box 2 and overhead technology nozzle 1, and hypomere vaporizer side is arranged one deck side technology nozzle 6 and process burner chamber 5 at least, side technology nozzle 6 symmetric arrangement, each side technology nozzle 6 mechanically is installed in technology nozzle box 2 and 5, the vapourizing furnace cinder notch is located at hypomere vaporizer bottom, adopts cinder notch under the taper.The vapourizing furnace body of heater is made up of furnace shell 8 and vaporizer 7, and vaporizer 7 can adopt coil tube type or cantilever-type water wall type, or adopts refractory-lined hot wall type structure design.Can fill flame-proof thermal insulation material 16 between vaporizer 7 and the housing 8, make case temperature maintain the reasonable levels scope.
Mainly finish following gasification in the vaporizer: most of fuel and vaporized chemical are sent into by side technology nozzle, react in hypomere vaporizer generating gasification, spray into small portion fuel by overhead technology nozzle, the high-temperature flue gas that itself and lower hearth generate carries out pyrolysis and gasification reaction, remaining unreacted material flows downward continuing or is directly entrainmented by the eddy flow flow field of side process burner jet formation and carries out the second gasification reaction, thereby the efficiency of carbon conversion of integrated gasification process is improved.
The synthetic gas cooling room is arranged on the bottom of hypomere vaporizer 4, and the synthetic gas cooling room comprises chilling ring 10, downtake 12, baffling pipe 13 and syngas outlet 11.The slag charge that gasification produces is discharged by the following cinder notch 15 of the slag bath 14 of synthetic gas cooling room bottom.
Side technology nozzle is downward-sloping, is preferably, and axially descends 1～10 ° of angle excursion.
Fig. 2 is the vertical view of hypomere vaporizer 4 side technology nozzle layers, and being preferably the requirement of horizontal radial angle excursion is 1～8 °, and the axis of each side technology nozzle 6 is tangential on same imaginary circle.
Install, overhaul and safeguard for convenient, on the integrated gasification stove furnace shell one or more manholes can be set, for example can near synthetic gas cooling room middle and upper part or middle and lower part, manhole be set.
Embodiment 1
One day was handled the two-part multi-nozzle dry coal dust gasification furnace of 3000 tons of coals, vapor pressure 4.0MPa, epimere vaporizer housing internal diameter Φ 3000mm, hypomere vaporizer internal diameter Φ 4000mm.Vapourizing furnace arranges five technology nozzles altogether, the raw coal of each technology nozzle is handled the load basically identical, 1 technology nozzle of top layout, this nozzle sprays into 20% coal dust, 20% water vapor and 10% oxygen, 4 sides of one deck technology nozzle is evenly arranged in the side, 5 ° of side technology nozzle plane downwards angles, radially deflection is 5 °, and four side technology nozzles spray into 80% coal dust, 80% water vapor and 90% oxygen altogether.
Vaporized chemical is oxygen and water vapor, oxygen total flow 70000Nm
3/ h, the steam total flow is 22500kg/h, 1400 ℃ of gasification temperatures, the part by weight of coal dust and oxygen is 1.25, goes out vaporizer total gas flow rate 264175Nm
3/ h.
Table 1 ature of coal is formed
| Water (wt%) | 2 |
| Ash (wt%) | 13.21 |
| Ultimate analysis (dry base wt%) | ? |
| C | 69.27 |
| H | 4.56 |
| O | 8.08 |
| N | 1.28 |
| S | 3.60 |
Table 2 goes out vaporizer gaseous constituent (vol%)
| Gaseous fraction | Numerical value |
| H 2 | 29.44 |
| CO | 58.49 |
| CO 2 | 2.86 |
| H 2S | 1.10 |
| COS | 0.09 |
| CH 4 | 4.42 |
| N 2 | 0.00 |
| NH 3 | 0.05 |
| H 2O | 3.49 |
| O 2 | 0.00 |
Embodiment 2
One day was handled the two-part multi-nozzle coal slurry gasifier of 3000 tons of coals, vapor pressure 6.5MPa, epimere vaporizer housing internal diameter Φ 2800mm, hypomere vaporizer internal diameter Φ 3800mm.The vapourizing furnace raw coal of 5 technology nozzles is altogether handled the load unanimity, overhead technology nozzle sprays into 20% coal water slurry and adopts air atomizing, 4 sides of one deck technology nozzle is evenly arranged in the side, 4.5 ° of side technology nozzle plane downwards angles, radially deflection is 3.5 °, sprays into 80% coal water slurry and 92% oxygen.
Table 3 ature of coal is formed
| Calorific value (kJ/kg) | 27765 |
| Ash (wt%) | 16.748 |
| Ultimate analysis (dry base wt%) | ? |
| C | 67.59 |
| H | 4.37 |
| O | 7.55 |
| N | 1.22 |
| S | 2.30 |
Vaporized chemical is oxygen and air, oxygen total flow 75616Nm3/h, spray into air total flow 31311Nm3/h for atomizing top jet nozzle coal water slurry from overhead technology nozzle, 1350 ℃ of gasification temperatures, coal water slurry is 1.77 with the part by weight that always enters oxygen, goes out vaporizer total gas flow rate 326212Nm3/h.
Table 4 goes out vaporizer gaseous constituent (vol%)
| Gaseous fraction | Numerical value |
| H 2 | 25.95 |
| CO | 37.96 |
| CO 2 | 11.70 |
| H 2S | 0.63 |
| COS | 0.03 |
| CH 4 | 0.02 |
| N 2 | 6.34 |
| NH 3 | 0.21 |
| H2O | 17.15 |
| O 2 | 0.00 |
| HCl(ppm) | 50.0 |
Embodiment 1 has illustrated that the present invention is applicable to large-scale dry coal powder gasification production, can make with the vapourizing furnace under the coal seed gasification condition and export 1-2 percentage point of effective gas component raising, efficiency of carbon conversion reaches 99.9%, and carbon residue content reduces approximately 50% in the slag, can gasify to most of high-ash-fusion coal.
Embodiment 2 has illustrated that the present invention is applicable to large-scale coal water slurry gasification production, can make equally with the vapourizing furnace under the coal seed gasification condition and export 1-2 percentage point of effective gas component raising, efficiency of carbon conversion reaches 99.9%, in the slag carbon residue content drop to＜5%, compare with similar vapourizing furnace, carbon residue content has reduced approximately 50% in the slag, is equivalent to save tens of tons of standard coals than identical scale coal water slurry gasification technology every day.
Claims (6)
1. two-part multi-nozzle pressurized-gasification furnace, comprise furnace shell (8), vaporizer (7) and synthetic gas cooling room are set in the furnace shell (8), it is characterized in that: vaporizer (7) is divided into two sections, first section is epimere vaporizer (3), second section is hypomere vaporizer (4), and epimere vaporizer (3) is 0.2～0.8 with the diameter ratio of hypomere vaporizer (4), aspect ratio 0.1～0.5; Epimere vaporizer (3) top is provided with nozzle box (2), 1 overhead technology nozzle (1) is set in the nozzle box (2), hypomere vaporizer (4) side along the circumferential direction is provided with at least one layer process burner chamber (5), arrange side technology nozzle (6) in the process burner chamber (5), side technology nozzle (6) mechanically is installed in the technology nozzle box (5), and vaporizer taper cinder notch (17) is arranged on hypomere vaporizer (4) bottom;
The process burner chamber (5) of described hypomere vaporizer (4) side arranges 1～3 floor, every layer process burner chamber (5) 4～6 sides of symmetric arrangement technology nozzle (6);
The axis of each side technology nozzle (6) is tangential on same imaginary circle, and it is 1～8 ° that the horizontal radial angle excursion requires, and axially descends 1～10 ° of angle excursion.
2. two-part multi-nozzle pressurized-gasification furnace according to claim 1, it is characterized in that: described synthetic gas cooling room is arranged on the bottom of hypomere vaporizer (4), and the synthetic gas cooling room comprises chilling ring (10), downtake (12), baffling pipe (13) and syngas outlet (11).
3. two-part multi-nozzle pressurized-gasification furnace according to claim 1 is characterized in that: following cinder notch (15) discharge of the slag bath (14) of the slag charge that gasification produces bottom the synthetic gas cooling room.
4. two-part multi-nozzle pressurized-gasification furnace according to claim 1 is characterized in that: described vaporizer (7) is the water wall type of coil tube type or cantilever-type, or adopts refractory-lined hot wall type.
5. gasification process that is used for the described two-part multi-nozzle of claim 1 pressurized-gasification furnace, it is characterized in that: fuel and vaporized chemical spray into vaporizer by overhead technology nozzle and side technology nozzle and carry out gasification reaction, a small amount of vaporized chemical that top technology nozzle sprays into only sprays into 25%～75% of the required vaporized chemical of fuel for top technology nozzle, and not enough vaporized chemical is replenished by side technology nozzle five equilibrium and sends into vaporizer.
6. gasification process according to claim 5, it is characterized in that: described fuel is dry coal powder or coal water slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110436956 CN102492478B (en) | 2011-12-23 | 2011-12-23 | Novel two-stage multi-nozzle pressurized gasifier and its gasification method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110436956 CN102492478B (en) | 2011-12-23 | 2011-12-23 | Novel two-stage multi-nozzle pressurized gasifier and its gasification method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102492478A CN102492478A (en) | 2012-06-13 |
| CN102492478B true CN102492478B (en) | 2013-08-21 |
Family
ID=46184342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110436956 Active CN102492478B (en) | 2011-12-23 | 2011-12-23 | Novel two-stage multi-nozzle pressurized gasifier and its gasification method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102492478B (en) |
Families Citing this family (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102660329B (en) * | 2012-05-08 | 2013-11-20 | 神华集团有限责任公司 | Two-stage entrained bed solid slagging gasifying device, gasifying method for carbon-containing substance and application of gasifying device |
| CN102888250B (en) * | 2012-09-20 | 2014-04-09 | 张家港化工机械股份有限公司 | Flanged conical plate on gasification furnace |
| CN102911740A (en) * | 2012-09-28 | 2013-02-06 | 上海锅炉厂有限公司 | Two-section gasifying device of entrained-flow bed and gasifying method of two-section gasifying device |
| CN102994160B (en) * | 2012-10-11 | 2014-02-12 | 田原宇 | Entrained-flow bed gasifier for solid-phase deslagging |
| CN102942964B (en) * | 2012-10-29 | 2015-01-07 | 哈尔滨工业大学 | Apparatus and method for coal powder cyclone entrained flow gasification |
| CN103146433B (en) * | 2013-03-05 | 2014-09-03 | 上海锅炉厂有限公司 | Gasifier of entrained-flow bed with single nozzle |
| CN103146434B (en) * | 2013-03-05 | 2014-11-12 | 上海锅炉厂有限公司 | Multi-nozzle entrained-flow bed gasification furnace |
| CN103409170B (en) * | 2013-08-22 | 2015-07-01 | 中国船舶重工集团公司第七一一研究所 | Slag blockage preventing gasification reactor with graded carbonaceous fuel feeding |
| CN103484167B (en) * | 2013-09-25 | 2014-09-03 | 上海锅炉厂有限公司 | Cooling and washing equipment for high-temperature coal gas |
| CN104650983A (en) * | 2013-11-25 | 2015-05-27 | 航天长征化学工程股份有限公司 | Device and method for gasifying carbon-containing substance |
| CN104650986B (en) * | 2013-11-25 | 2018-08-17 | 航天长征化学工程股份有限公司 | A kind of carbonaceous material reaction system and method |
| 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 |
| CN104745220B (en) * | 2015-03-06 | 2016-03-30 | 中美新能源技术研发（山西）有限公司 | A kind of coal liquifaction novel reactor |
| CN104974796B (en) * | 2015-07-07 | 2017-08-25 | 杭州全合科技有限公司 | A kind of two-period form airflow bed gasification furnace |
| CN105087074A (en) * | 2015-09-11 | 2015-11-25 | 哈尔滨工业大学 | Gasifier device and method for gasifying pulverized coal by simultaneously feeding gasifying agents from top burner and furnace body layer by layer and strongly rotating gasifying agents |
| CN105925313A (en) * | 2016-07-17 | 2016-09-07 | 昆明新能源发展有限公司 | Carbon dioxide/coal coke gasification method and device thereof |
| CN106118752A (en) * | 2016-08-30 | 2016-11-16 | 安徽科达洁能股份有限公司 | A kind of coal gasifier |
| CN109810730B (en) * | 2019-03-01 | 2019-12-13 | 中国东方电气集团有限公司 | Long-period stable operation water-coal-slurry water-cooled wall gasification furnace |
| CN109810731B (en) * | 2019-03-01 | 2019-12-13 | 中国东方电气集团有限公司 | high-efficient long period steady operation's coal slurry water-cooling wall gasifier |
| CN112708471B (en) * | 2019-10-25 | 2021-11-30 | 中国石油化工股份有限公司 | Efficient coal gasification reaction device and efficient coal gasification reaction method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100366710C (en) * | 2005-12-14 | 2008-02-06 | 华东理工大学 | Multi-nozzle coal water mixture or fine coal gasifying furnace and its industrial application |
| CN102071065A (en) * | 2011-01-26 | 2011-05-25 | 东方电气集团东方锅炉股份有限公司 | Back flow coal gasification device |
-
2011
- 2011-12-23 CN CN 201110436956 patent/CN102492478B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN102492478A (en) | 2012-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102492478B (en) | Novel two-stage multi-nozzle pressurized gasifier and its gasification method | |
| CN100366710C (en) | Multi-nozzle coal water mixture or fine coal gasifying furnace and its industrial application | |
| CN1994865B (en) | Gasification device for two-stage gasification coupled with heat recovery and washing and its uses | |
| CN101508915B (en) | Gasifying device for liquid fuel or solid fuel aqueous slurry | |
| CN102134512B (en) | Staged powder spraying entrained bed gasification furnace and gasification method thereof | |
| CN201195718Y (en) | Novel gasification furnace propitious to recycle heat | |
| CN101003358A (en) | Multi nozzle of gasification furnace by using feed in brei state or powder state | |
| CN102703129A (en) | Staged-pressurization gasification reaction device for dry pulverized coal and gasification method thereof | |
| CN106590761B (en) | Fluidized bed reaction device and reaction method for preparing methane-rich synthesis gas through catalytic coal gasification | |
| CN103740409B (en) | Multi-stage gas distribution high-temperature coal gasification device and method | |
| CN102911740A (en) | Two-section gasifying device of entrained-flow bed and gasifying method of two-section gasifying device | |
| CN109401798A (en) | A kind of double circle of contact double-section dry coal powder pressurized-gasification furnaces and its gasification process | |
| CN101665724A (en) | Water-coal-slurry gasification method and gasification furnace | |
| CN105779014B (en) | J-type airflow bed gasification furnace | |
| CN104449868A (en) | Entrained flow gasifier for swirling melt cinder solidification | |
| CN105733686B (en) | Ring type collision type gasification furnace | |
| CN207072928U (en) | One kind pyrolysis and gasification decoupling gasification furnace | |
| CN107760385B (en) | Coal gasification device combining fluidized bed and molten bed and method thereof | |
| CN102433162B (en) | Entrained-flow bed gasifier with staged oxygen feeding and gasification method thereof | |
| CN201206129Y (en) | Gas distributor for pressure circulating fluid bed fine coal gasifying stove | |
| CN202450054U (en) | Novel two-segment multi-nozzle pressurizing gasification furnace | |
| CN103484180B (en) | A kind of fire coal is from the technique of the catalytic gasification preparing natural gas of heat supply and system | |
| CN202849351U (en) | Two-section type gasification device for entrained-flow bed | |
| CN203582819U (en) | Entrained-flow bed gasifier for cyclone melt-cinder solidification | |
| CN202766488U (en) | Gasification furnace applicable to biomass gasification |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |