CN102533341B - Device and method for switching multi-nozzle opposed coal gasifier on line - Google Patents
Device and method for switching multi-nozzle opposed coal gasifier on line Download PDFInfo
- Publication number
- CN102533341B CN102533341B CN 201210008854 CN201210008854A CN102533341B CN 102533341 B CN102533341 B CN 102533341B CN 201210008854 CN201210008854 CN 201210008854 CN 201210008854 A CN201210008854 A CN 201210008854A CN 102533341 B CN102533341 B CN 102533341B
- Authority
- CN
- China
- Prior art keywords
- synthetic gas
- vapourizing furnace
- valve
- water wash
- burner group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a device and method for switching a multi-nozzle opposed coal gasifier on line. The device comprises a gasifier A and a gasifier B, wherein the gasifier A is provided with a burner group A1 and a burner group A2; the gasifier B is provided with a burner group B1 and a burner group B2; and the gasifier A and the gasifier B are respectively connected with a water washing tower A and a water washing tower B. The device is characterized in that: after being connected with a synthetic gas release valve of a system A, the water washing tower A is connected with a torch release head pipe; after being connected with a synthetic gas collecting valve of the system A, the water washing tower A is connected with a synthetic gas head pipe; after being connected with a syntheticgas release valve of a system B, the water washing tower B is connected with the torch release head pipe; and after being connected with a synthetic gas collecting valve of the system B, the water washing tower B is connected with the synthetic gas head pipe. In the whole switching process, the stable running of a production device is ensured and the release amount of the synthetic gas is only the driving release amount of a pair of nozzles of the gasifier, so economic loss of an enterprise caused by releasing the synthetic gas in a gasifier driving process can be reduced.
Description
Technical field
The invention belongs to multi-nozzle opposed type Coal Gasification Technology field, relate to a kind of online shifter of multi-nozzle opposed type coal gasifier and method thereof.
Background technology
When multi-nozzle opposed type coal gasification apparatus will move vapourizing furnace and switch to standby vapourizing furnace, at present the mode that adopts is that will to move vapourizing furnace earlier out of service, back input coefficient operation again feeds intake standby vapourizing furnace, boosts, gasification installation will reduce the synthetic gas supply tolerance of a vapourizing furnace in this process, and need to consume the long time, produce a large amount of synthetic gas emptying, the fluctuation of whole production device operating load is bigger.
Summary of the invention
The purpose of this invention is to provide a kind of online shifter of multi-nozzle opposed type coal gasifier and method thereof.
For achieving the above object, the technical solution used in the present invention is:
The online shifter of a kind of multi-nozzle opposed type coal gasifier comprises: A vapourizing furnace and B vapourizing furnace; The A vapourizing furnace is provided with A1 burner group and A2 burner group, and the B vapourizing furnace is provided with B1 burner group and B2 burner group; The A vapourizing furnace is connected with the B water wash column with the A water wash column respectively with the B vapourizing furnace; It is characterized in that: the A water wash column connects behind the A system synthetic gas blow-off valve and the total pipe coupling of torch emptying, and the A water wash column connects behind A system's synthetic gas and the air valve and the total pipe coupling of synthetic gas; The B water wash column connects behind the B system synthetic gas blow-off valve and the total pipe coupling of torch emptying, and the B water wash column connects behind B system's synthetic gas and the air valve and the total pipe coupling of synthetic gas.
The method of the online shifter of a kind of online switching multi-nozzle opposed type coal gasifier, it is characterized in that: A vapourizing furnace in service is switched to standby middle B vapourizing furnace, its operation steps is as follows: open B system synthetic gas blow-off valve, close B system synthetic gas and air valve, with B1 burner group in the B vapourizing furnace feed intake the operation after, turn down B system synthetic gas blow-off valve gradually, improve B water wash column operating pressure after be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas, open B system synthetic gas and air valve, incorporate the synthetic gas of the B1 burner production that puts into operation into the synthetic gas house steward, open simultaneously A system synthetic gas blow-off valve gradually, keep synthetic gas house steward pressure-stabilisation, A1 burner group operating load in the A vapourizing furnace is reduced gradually until out of service, during keep the stable of the total pipe pressure of synthetic gas by regulating A system blow-off valve aperture; The B2 burner group of B vapourizing furnace is fed intake, incorporate the synthetic gas of its generation into the synthetic gas house steward, be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas by regulating the synthetic gas blow-off valve aperture adjusting B of B system water wash column operating pressure during this time, simultaneously A2 burner group operating load in the A vapourizing furnace 1 is reduced gradually until out of service, during regulate A water wash column operation pressure stabilization by regulating A system synthetic gas blow-off valve aperture; By this working order, all nozzles of cushion gas stove feed intake and incorporate the production system operation into the most at last, and former all nozzles of operation vapourizing furnace are withdrawed from, and finish the switching of vapourizing furnace.
The present invention feeds intake earlier, boosts by adopting standby multi-nozzle vapourizing furnace portion nozzle, incorporate the production system operation into, gradually former operation vapourizing furnace portion nozzle is withdrawed from again, by this working order, at last all the other nozzles of standby vapourizing furnace are all fed intake and incorporate operation into, former all the other nozzles of operation vapourizing furnace are all withdrawed from, production equipment has guaranteed smooth running in the whole handoff procedure, and synthetic gas emptying amount has only the driving emptying amount of a pair of nozzle of vapourizing furnace in the whole handoff procedure, can reduce the financial loss of bringing to enterprise because of synthetic gas emptying in the vapourizing furnace startup procedure.
Description of drawings
Fig. 1 is structural representation of the present invention.
In the accompanying drawing: 1, A vapourizing furnace; 2, A water wash column; 3, A system synthetic gas blow-off valve; 4, A system synthetic gas and air valve; 5, B vapourizing furnace; 6, B water wash column; 7, B system synthetic gas blow-off valve; 8, B system synthetic gas and air valve.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments:
The present invention feeds intake earlier, boosts by adopting standby multi-nozzle vapourizing furnace portion nozzle, incorporate the production system operation into, gradually former operation vapourizing furnace portion nozzle is withdrawed from again, by this working order, at last all the other nozzles of standby vapourizing furnace are all fed intake and incorporate operation into, former all the other nozzles of operation vapourizing furnace are all withdrawed from, production equipment has guaranteed smooth running in the whole handoff procedure, and synthetic gas emptying amount has only the driving emptying amount of a pair of nozzle of vapourizing furnace in the whole handoff procedure, can reduce the financial loss of bringing to enterprise because of synthetic gas emptying in the vapourizing furnace startup procedure.
The online shifter of multi-nozzle opposed type coal gasifier of the present invention comprises: A vapourizing furnace 1 and B vapourizing furnace 5 as shown in Figure 1; A vapourizing furnace 1 is provided with A1 burner group and A2 burner group, and B vapourizing furnace 5 is provided with B1 burner group and B2 burner group; A vapourizing furnace 1 is connected with B water wash column 6 with A water wash column 2 respectively with B vapourizing furnace 5; It is characterized in that: A water wash column 2 connects A system synthetic gas blow-off valve 3 backs and the total pipe coupling of torch emptying, and A water wash column 2 connects A system's synthetic gas and air valve 4 backs and the total pipe coupling of synthetic gas; B water wash column 6 connects B system synthetic gas blow-off valve 7 backs and the total pipe coupling of torch emptying, and B water wash column 6 connects B system's synthetic gas and air valve 8 backs and the total pipe coupling of synthetic gas.
The online switching method of multi-nozzle opposed type coal gasifier of the present invention: be example with Fig. 1, A vapourizing furnace 1 is provided with A1 burner group and A2 burner group, and B vapourizing furnace 5 is provided with B1 burner group and B2 burner group.A vapourizing furnace in service is switched to standby middle B vapourizing furnace, operation steps is as follows: open B system synthetic gas blow-off valve 7, close B system synthetic gas and air valve 8, with B1 burner group in the B vapourizing furnace 5 feed intake the operation after, turn down B system synthetic gas blow-off valve 7 gradually, improve B water wash column 6 operating pressures after be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas, open B system synthetic gas and air valve 8, incorporate the synthetic gas of the B1 burner production that puts into operation into the synthetic gas house steward, open simultaneously A system synthetic gas blow-off valve 3 gradually, keep synthetic gas house steward pressure-stabilisation, A1 burner group operating load in the A vapourizing furnace 1 is reduced gradually until out of service, during keep the stable of the total pipe pressure of synthetic gas by regulating A system blow-off valve 3 apertures; The B2 burner group of B vapourizing furnace 5 is fed intake, incorporate the synthetic gas of its generation into the synthetic gas house steward, be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas by regulating the synthetic gas blow-off valve 7 apertures adjusting B of B system water wash column 6 operating pressures during this time, simultaneously A2 burner group operating load in the A vapourizing furnace 1 is reduced gradually until out of service, during regulate A water wash column 2 operation pressure stabilizations by regulating A system synthetic gas blow-off valve 3 apertures; By this working order, all nozzles of cushion gas stove feed intake and incorporate the production system operation into the most at last, and former all nozzles of operation vapourizing furnace are withdrawed from, and finish the switching of vapourizing furnace.
Embodiment recited above is described preferred implementation of the present invention; be not that design of the present invention and protection domain are limited; under the prerequisite that does not break away from design concept of the present invention; common engineering technical personnel make technical scheme of the present invention in this area various modification and improvement all should fall into protection scope of the present invention.
Claims (1)
1. the online switching method of multi-nozzle opposed type coal gasifier comprises: A vapourizing furnace (1) and B vapourizing furnace (5); A vapourizing furnace (1) is provided with A1 burner group and A2 burner group, and B vapourizing furnace (5) is provided with B1 burner group and B2 burner group; A vapourizing furnace (1) is connected with B water wash column (6) with A water wash column (2) respectively with B vapourizing furnace (5); A water wash column (2) connects A system's synthetic gas blow-off valve (3) back and the total pipe coupling of torch emptying, and A water wash column (2) connects A system's synthetic gas and air valve (4) back and the total pipe coupling of synthetic gas; B water wash column (6) connects B system's synthetic gas blow-off valve (7) back and the total pipe coupling of torch emptying, and B water wash column (6) connects B system's synthetic gas and air valve (8) back and the total pipe coupling of synthetic gas; It is characterized in that: A vapourizing furnace in service (1) is switched to standby middle B vapourizing furnace (5), its operation steps is as follows: open B system synthetic gas blow-off valve (7), close B system synthetic gas and air valve (8), B1 burner group in the B vapourizing furnace (5) is fed intake after the operation, turn down B system synthetic gas blow-off valve (7) gradually, improve B water wash column (6) operating pressure after be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas, open B system synthetic gas and air valve (8), incorporate the synthetic gas of the B1 burner production that puts into operation into the synthetic gas house steward, open simultaneously A system synthetic gas blow-off valve (3) gradually, keep synthetic gas house steward pressure-stabilisation, A1 burner group operating load in the A vapourizing furnace (1) is reduced gradually until out of service, during keep the stable of the total pipe pressure of synthetic gas by regulating A system's blow-off valve (3) aperture; The B2 burner group of B vapourizing furnace (5) is fed intake, incorporate the synthetic gas of its generation into the synthetic gas house steward, be higher than the total pipe pressure 0.1～0.5MPa of synthetic gas by regulating B system's synthetic gas blow-off valve (7) aperture adjusting B water wash column (6) operating pressure during this time, simultaneously A2 burner group operating load in the A vapourizing furnace (1) is reduced gradually until out of service, during regulate A water wash column (2) operation pressure stabilization by regulating A system's synthetic gas blow-off valve (3) aperture; By this working order, all nozzles of cushion gas stove feed intake and incorporate the production system operation into the most at last, and former all nozzles of operation vapourizing furnace are withdrawed from, and finish the switching of vapourizing furnace.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210008854 CN102533341B (en) | 2012-01-12 | 2012-01-12 | Device and method for switching multi-nozzle opposed coal gasifier on line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210008854 CN102533341B (en) | 2012-01-12 | 2012-01-12 | Device and method for switching multi-nozzle opposed coal gasifier on line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102533341A CN102533341A (en) | 2012-07-04 |
| CN102533341B true CN102533341B (en) | 2013-09-04 |
Family
ID=46341397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210008854 Active CN102533341B (en) | 2012-01-12 | 2012-01-12 | Device and method for switching multi-nozzle opposed coal gasifier on line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102533341B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108659888A (en) * | 2017-03-28 | 2018-10-16 | 新疆心连心能源化工有限公司 | Gasification installation and its gasification system and switching method |
| CN110408435A (en) * | 2018-04-27 | 2019-11-05 | 中安联合煤化有限责任公司 | A kind of online switching method of single injector overhead type air flow bed powder coal gasification furnace |
| CN109135835B (en) * | 2018-09-07 | 2020-03-20 | 华东理工大学 | Online furnace reversing switching method for multi-nozzle gasification furnace |
| CN110564451B (en) * | 2019-08-19 | 2021-03-16 | 新奥科技发展有限公司 | Online switching method for multi-nozzle slurry gasification furnace |
| CN113105918B (en) * | 2021-04-21 | 2022-04-19 | 万华化学集团股份有限公司 | Automatic gas merging control method for gasification furnace, storage medium and electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793290A (en) * | 2005-12-23 | 2006-06-28 | 李园 | Control method for powdered coal pressure and transferring program for powdered coal gasification |
| CN101050386A (en) * | 2007-02-14 | 2007-10-10 | 兖矿集团有限公司 | Method for online lowering of charge for gasification burner tip |
| CN101104821A (en) * | 2007-07-09 | 2008-01-16 | 湖北宜化集团有限责任公司 | Coal gas producing system parallel-connected operation method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01163428A (en) * | 1987-12-21 | 1989-06-27 | Hitachi Ltd | Switching method and switching device for fuel for gas turbine |
-
2012
- 2012-01-12 CN CN 201210008854 patent/CN102533341B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1793290A (en) * | 2005-12-23 | 2006-06-28 | 李园 | Control method for powdered coal pressure and transferring program for powdered coal gasification |
| CN101050386A (en) * | 2007-02-14 | 2007-10-10 | 兖矿集团有限公司 | Method for online lowering of charge for gasification burner tip |
| CN101104821A (en) * | 2007-07-09 | 2008-01-16 | 湖北宜化集团有限责任公司 | Coal gas producing system parallel-connected operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102533341A (en) | 2012-07-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102533341B (en) | Device and method for switching multi-nozzle opposed coal gasifier on line | |
| CN102563612A (en) | Method for directly starting steam-driven feed water pump of large-sized thermal power plant | |
| CN103398291B (en) | A kind of thermal power plant compressed air system and pressure classification supplying method thereof | |
| CN205461515U (en) | A redundant control circuit for jetting of sack cleaner pulse valve | |
| CN101122386B (en) | DC boiler self-adaptive ignition combustion system | |
| CN110686231A (en) | Thermal power plant peak regulation system based on hydrogen production by water electrolysis | |
| CN104232846A (en) | System and method for supplying steam to RH refining furnace | |
| CN202379958U (en) | Online switching device for multi-nozzle opposed coal gasifier | |
| CN205260274U (en) | Compressed air merges system | |
| CN101920264B (en) | Cooling method for replacing hot roll | |
| CN202570724U (en) | Novel dust removal mechanism of superfine fiber buffing machine | |
| CN101619702B (en) | Novel device for realizing automatic reset function of speed regulating system of water-turbine generator set | |
| CN204325413U (en) | A kind of system to RH refining furnace steam supply | |
| CN204943541U (en) | Fuel system stable-pressure device | |
| CN203395583U (en) | Compressed air system for thermal power plant | |
| CN207316911U (en) | A kind of double fuel regenerative burner system | |
| CN201268712Y (en) | Blast furnace coal powder mutual spraying apparatus | |
| CN202092115U (en) | System for improving pressure of desuperheating water of superheater | |
| CN205424409U (en) | Efficient air compressor machine air feed control system | |
| CN110564451B (en) | Online switching method for multi-nozzle slurry gasification furnace | |
| CN203893664U (en) | Two-flue ignition switching device of sintering machine | |
| CN203517312U (en) | Coal gas backflow processing pipeline system of CCPP gas turbine | |
| CN203845455U (en) | Mixing conveying system for coal economizer and denitration part cinder and electric ash removing part fine ash | |
| CN110408435A (en) | A kind of online switching method of single injector overhead type air flow bed powder coal gasification furnace | |
| CN204662546U (en) | A kind of novel water system preparing air-conditioning |
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 | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Zaozhuang City, Shandong province 277500 wood and stone town Tengzhou City Patentee after: Shandong Yanzhou country extension technology engineering Limited by Share Ltd Address before: Zaozhuang City, Shandong province 277500 wood and stone town Tengzhou City Patentee before: Shandong Yancon Guotuo Science & Engineering Co., Ltd. |