CN1687322A - Fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, and industrial application - Google Patents
Fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, and industrial application Download PDFInfo
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- CN1687322A CN1687322A CN 200510025050 CN200510025050A CN1687322A CN 1687322 A CN1687322 A CN 1687322A CN 200510025050 CN200510025050 CN 200510025050 CN 200510025050 A CN200510025050 A CN 200510025050A CN 1687322 A CN1687322 A CN 1687322A
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- shower nozzle
- nozzle
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- outer shroud
- muzzle
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- 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]
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Abstract
The present invention discloses a synthetic gas nozzle prepared by utilizing partial oxidation of solid carbon-contained substance. Said nozzle includes coaxial external ring spray head, internal spray head, nozzle central conduitand nozzle external ring conduit. The internal spray head and external ring spray head are respectively a head-cut tapered tube, the external ring spray head is cover-mounted on the exterior of internal spray head, and between internal spray head and external ring spray head a gap is set, and the large end of external ring spray head is connected with nozzle external ring conduit, and the large end of internal spray head is connected with nozzle central conduit. It can be used for preparing synthetic gas by utilizing partial oxidation of solid carbon-contained substances, such as powder coal, petroleum coke, biomass and solid wastes, etc.
Description
Technical field
The present invention relates to a kind of nozzle that the oxidation of solid carbon-contg material part prepares synthetic gas that is used for.
Background technology
Partial oxidation prepares the entrained flow gasification method of synthetic gas, is solid carbon-contg material and vaporized chemical are carried out chemical reaction under High Temperature High Pressure, and making with carbon monoxide and hydrogen is the main synthetic gas of forming.This gasification process temperature, pressure height, device fabrication intensity is big, and the efficiency of carbon conversion height is strong to the adaptability of solid carbon-contg material, and the synthetic gas that makes can be used for generating, produces chemical and chemical fertilizer, synthetic oil product, makes geseous fuel etc., and purposes is very extensive.
Nozzle is one of key part of entrained flow gasification.Solid carbon-contg material and carrier gas thereof and vaporized chemical are imported reactor and make it to mix and reaction by it.Because temperature of reaction is up to～1600 ℃, nozzle arrangements design, the particularly size of each shower nozzle, contraction angle and relative position etc. can produce fundamental influence to equipment and process results.The scantlings of the structure design is improper, the shower nozzle end of will ablating, and the ablation reactor wall is given birth to serious consequence, or is caused the abrasion of solid carbon-contg material to nozzle, influences its work-ing life.Existing patented technology such as United States Patent (USP) 4,523,529,4,736,693,4,858,538 and European patent 0 328 794 all adopt in shower nozzle be straight pipe type structure nozzle, the common defective is that logistics lacked accelerator before advancing reactor, and the speed of leaving nozzle is on the low side, is easy to the nozzle of ablating.United States Patent (USP) 4,523,529 are provided with three passages altogether, wherein also have gas reallocation passage, and structure is very complicated, and inconvenience processing is safeguarded.United States Patent (USP) 4,736,693 have also established three passages, and wherein the solid materials passage is for takeing in interior hybrid combination, and nozzle head is very easily denuded.
Summary of the invention
The technical issues that need to address of the present invention are to disclose a kind of fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon and industrial application thereof, to overcome the deficiency of existing nozzle.
The nozzle that the present invention proposes comprises co-axial outer shroud shower nozzle, interior shower nozzle, nozzle center's conduit and nozzle outer shroud conduit; Shower nozzle is a Taper Pipe with the interior half-angle α of contraction and outside angle of inclination beta in said, said outer shroud shower nozzle is one and has the interior Taper Pipe that shrinks half-angle ε, the outer shroud nozzle set is outside interior shower nozzle, be provided with the gap between interior shower nozzle and the outer shroud shower nozzle, the big end of outer shroud shower nozzle is connected with nozzle outer shroud conduit, and the big end of interior shower nozzle is connected with the nozzle center conduit.
Nozzle of the present invention is installed on conventional air-flow hearth reactor, and the partial oxidation that promptly can be used for the solid carbon-contg material prepares synthetic gas.
During use, solid carbon-contg material and carrier gas enter from nozzle center's conduit, and vaporized chemical enters from nozzle outer shroud conduit, simultaneously from the spout ejection of interior shower nozzle and outer shroud shower nozzle, enter gasifying reactor then.
Said solid carbon-contg material is selected from fine coal, refinery coke, biomass or organic solid-state castoff etc.;
Carrier gas is selected from nitrogen, CO
2, water vapor, synthetic gas or its gas mixture;
The weight ratio of solid carbon-contg material and carrier gas is: the solid carbon-contg material: carrier gas=1: 2.0～20;
Said vaporized chemical is selected from oxygen, water vapor, CO
2Or its gas mixture;
The weight ratio of solid carbon-contg material and vaporized chemical is:
Solid carbon-contg material: vaporized chemical=1: 0.5～1.5;
The linear velocity at the spout place of interior shower nozzle is 10～60 meter per seconds;
The linear velocity at the spout place of outer shroud shower nozzle is 40～80 meter per seconds;
Temperature of reaction is 1000～1600 ℃, and reaction pressure is normal pressure～6.0MPa.
The air-flow hearth reactor of said routine the patent No. be 98110616.1 and application number be in 200420114033.0 the patent documentation disclosed report have been arranged, the present invention repeats no more.
Nozzle arrangements of the present invention is simple, good mixing effect, and long service life is made with easy to maintenance, and solid carbon-contg material and delivery of carrier gas thereof, vaporized chemical can be imported in the reactor and carry out partial oxidation reaction, the preparation synthetic gas, its efficiency of carbon conversion reaches 99%.The partial oxidation that can be used for solid carbon-contg materials such as solid carbon-contg material such as fine coal, refinery coke, biomass, solid-state castoff prepares synthesis gas process, and is of many uses.
Description of drawings
Fig. 1 is this structure of nozzle synoptic diagram.
Embodiment
Referring to Fig. 1, the nozzle of this reality invention comprises co-axial outer shroud shower nozzle 1, interior shower nozzle 2, nozzle center's conduit 3 and nozzle outer shroud conduit 4;
As seen from Figure 1, in order to protect nozzle, ring spray 1 outside spiral coil cooling tube 6 that is provided with cooling room 5 and is connected outside with cooling room 5, cooling fluid imports cooling room 5 by the inlet of spiral coil cooling tube 6, is discharged by the outlet pipe of spiral coil cooling tube 6;
As seen from Figure 1, the interior contraction half-angle α of said interior shower nozzle 2 is 3 °～60 °, and its outside angle of inclination beta is 30 °～80 °, and the interior contraction half-angle ε of outer shroud shower nozzle 1 is 30 °～80 °.
As seen from Figure 1, the spout bore d of said interior shower nozzle 2 and the ratio of spout straight section height h are h: d is 1: 0.5～10.
As seen from Figure 1, the vents face of said interior shower nozzle (2) and outer shower nozzle (1) is 0～20mm apart from S.
As seen from Figure 1, walk the carrier gas of solid carbon-contg material in nozzle center's conduit 3, this carrier gas can be nitrogen, CO
2, water vapor, synthetic gas or gas mixture wherein.
As seen from Figure 1, walk vaporized chemical in the nozzle outer shroud conduit 4, this vaporized chemical can be oxygen, water vapor or gas mixture wherein.
The vaporized chemical that enters nozzle outer shroud shower nozzle by nozzle outer shroud conduit is the mixed gas of oxygen and water vapor, and the solid carbon-contg material that enters shower nozzle in the nozzle by nozzle center's conduit is a fine coal, and carrier gas is a nitrogen.The interior contraction half-angle α of wherein interior shower nozzle (2) is that 30 °, outside angle of inclination beta are 60 °, and the interior contraction half-angle ε of outer shroud shower nozzle (1) is 60 °, and the ratio of the spout bore d of interior shower nozzle (2) and spout straight section height h is: h: d=1.0.This nozzle is taked common flange connection with being connected of air-flow hearth reactor.The fine coal mass rate of advancing nozzle is the 10000kg/h flow, and the weight of carrier gas is 1300kg/h, and the mass rate of oxygen and water vapor is respectively 8500kg/h and 2000kg/h.The mixed gas of oxygen and water vapor sprays from the outer shroud shower nozzle with the speed of 70m/s, enters reactor, and nitrogen and fine coal spray from interior shower nozzle with the speed of 20m/s, enter reactor.The service temperature of reactor is 1400 ℃, and working pressure is 4.0MPa.Fine coal and vaporized chemical carry out partial oxidation reaction in reactor, generate 20000Nm
3The synthetic gas of/h.Effective gas (CO+H in the synthetic gas
2) composition is 90%, the efficiency of carbon conversion of partial oxidation reaction is 99%.
The vaporized chemical that enters nozzle outer shroud shower nozzle by nozzle outer shroud conduit is the mixed gas of oxygen and water vapor, and the solid carbon-contg material that enters shower nozzle in the nozzle by nozzle center's conduit is a fine coal, and carrier gas is a nitrogen.The interior contraction half-angle α of wherein interior shower nozzle (2) is that 10 °, outside angle of inclination beta are 35 °, and the interior contraction half-angle ε of outer shroud shower nozzle (1) is 35 °, and other are identical with embodiment.The efficiency of carbon conversion of partial oxidation reaction is 98%.
Claims (10)
1. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, it is characterized in that, comprise co-axial outer shroud shower nozzle (1), interior shower nozzle (2), nozzle center's conduit (3) and nozzle outer shroud conduit (4), shower nozzle (2) is a Taper Pipe with the interior half-angle α of contraction and outside angle of inclination beta in said, said outer shroud shower nozzle (1) is one and has the interior Taper Pipe that shrinks half-angle ε, outer shroud shower nozzle (1) is enclosed within outside the interior shower nozzle (2), be provided with gap (3) between interior shower nozzle (2) and the outer shroud shower nozzle (1), the big end of outer shroud shower nozzle (1) is connected with nozzle outer shroud conduit (4), and the big end of interior shower nozzle (2) is connected with nozzle center's conduit (3).
2. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon according to claim 1 is characterized in that, outside the spiral coil cooling tube (7) that is provided with cooling room (6) and is connected with cooling room (6) outside the ring spray head (1).
3. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon according to claim 1 is characterized in that, the interior contraction half-angle α of interior shower nozzle (2) is 3 °～60 °.
4. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon according to claim 3 is characterized in that, the outside angle of inclination beta of interior shower nozzle (2) is 30 °～80 °.
5. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon according to claim 1 is characterized in that, the interior contraction half-angle ε of outer shroud shower nozzle (1) is 30 °～80 °.
6. fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon according to claim 1 is characterized in that the spout bore d of interior shower nozzle (2) and the ratio of spout straight section height h are: h: d=1: 0.5～10.
7. according to each described fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon of claim 1～6, it is characterized in that, the vents face of interior shower nozzle (2) and outer shower nozzle (1) be 0～20mm apart from S.
8. according to the application of each described fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon of claim 1～7, it is characterized in that, nozzle of the present invention is installed on conventional air-flow hearth reactor, and the partial oxidation that is used for the solid carbon-contg material prepares synthetic gas.
9. application according to claim 8 is characterized in that solid carbon-contg material and carrier gas enter from nozzle center's conduit, and vaporized chemical enters from nozzle outer shroud conduit, simultaneously from the spout ejection of interior shower nozzle and outer shroud shower nozzle, enters gasifying reactor then.
10. according to Claim 8 or 9 described application, it is characterized in that said solid carbon-contg material is selected from fine coal, refinery coke, biomass or organic solid-state castoff;
Carrier gas is selected from nitrogen, CO
2, water vapor, synthetic gas or its gas mixture;
The weight ratio of solid carbon-contg material and carrier gas is: the solid carbon-contg material: carrier gas=1: 2.0～20;
Said vaporized chemical is selected from oxygen, water vapor, CO
2Or its gas mixture;
The weight ratio of solid carbon-contg material and vaporized chemical is:
Solid carbon-contg material: vaporized chemical=1: 0.5～1.5;
The linear velocity at the spout place of interior shower nozzle is 10～60 meter per seconds;
The linear velocity at the spout place of outer shroud shower nozzle is 40～80 meter per seconds;
Temperature of reaction is 1000～1600 ℃, and reaction pressure is normal pressure～6.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100250506A CN1303192C (en) | 2005-04-13 | 2005-04-13 | Fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, and industrial application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100250506A CN1303192C (en) | 2005-04-13 | 2005-04-13 | Fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, and industrial application |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1687322A true CN1687322A (en) | 2005-10-26 |
| CN1303192C CN1303192C (en) | 2007-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100250506A Active CN1303192C (en) | 2005-04-13 | 2005-04-13 | Fabricating muzzle for synthesis gas through partial oxidizing solid substance containing carbon, and industrial application |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942964A (en) * | 2012-10-29 | 2013-02-27 | 哈尔滨工业大学 | Apparatus and method for coal powder cyclone entrained flow gasification |
| CN103087778A (en) * | 2013-01-28 | 2013-05-08 | 新奥科技发展有限公司 | Jet pipe, fluidized bed reactor with jet pipe and coal catalyzing and gasifying method |
| CN104498099A (en) * | 2014-12-18 | 2015-04-08 | 华东理工大学 | Gasifier burner and application method thereof, and gasifier containing gasifier burner |
| CN107022379A (en) * | 2017-05-09 | 2017-08-08 | 哈尔滨工业大学 | A kind of dry coal powder airflow bed gasification furnace burner with aqueous cold plate protection of pipe |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4736693A (en) * | 1987-07-31 | 1988-04-12 | Shell Oil Company | Partial combustion burner with heat pipe-cooled face |
| CN1054080C (en) * | 1995-09-07 | 2000-07-05 | 华东理工大学 | Three-way channel combined water coal slurry gasification nozzle with cyclone |
| CN2756637Y (en) * | 2004-12-10 | 2006-02-08 | 华东理工大学 | Preparing synthetic gas burning nozzle by coal powder partial oxidation |
-
2005
- 2005-04-13 CN CNB2005100250506A patent/CN1303192C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102942964A (en) * | 2012-10-29 | 2013-02-27 | 哈尔滨工业大学 | Apparatus and method for coal powder cyclone entrained flow gasification |
| 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 |
| CN103087778A (en) * | 2013-01-28 | 2013-05-08 | 新奥科技发展有限公司 | Jet pipe, fluidized bed reactor with jet pipe and coal catalyzing and gasifying method |
| CN103087778B (en) * | 2013-01-28 | 2014-11-05 | 新奥科技发展有限公司 | Jet pipe, fluidized bed reactor with jet pipe and coal catalyzing and gasifying method |
| CN104498099A (en) * | 2014-12-18 | 2015-04-08 | 华东理工大学 | Gasifier burner and application method thereof, and gasifier containing gasifier burner |
| CN107022379A (en) * | 2017-05-09 | 2017-08-08 | 哈尔滨工业大学 | A kind of dry coal powder airflow bed gasification furnace burner with aqueous cold plate protection of pipe |
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| Publication number | Publication date |
|---|---|
| CN1303192C (en) | 2007-03-07 |
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