CN104498068A - Dry carbocoal discharging method of oil shale retort with air seal device - Google Patents
Dry carbocoal discharging method of oil shale retort with air seal device Download PDFInfo
- Publication number
- CN104498068A CN104498068A CN201410837961.8A CN201410837961A CN104498068A CN 104498068 A CN104498068 A CN 104498068A CN 201410837961 A CN201410837961 A CN 201410837961A CN 104498068 A CN104498068 A CN 104498068A
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- CN
- China
- Prior art keywords
- coke discharging
- carbocoal
- surge bunker
- gas
- dry
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/06—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of oil shale and/or or bituminous rocks
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B33/00—Discharging devices; Coke guides
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention discloses a dry carbocoal discharging method of an oil shale retort with an air seal device. The method is characterized in that in the process of discharging dry carbocoal from the bottom of the retort, through the arrangement of a carbocoal discharging surge bin and the utilization of inert air-sealed gas, by injecting air seal pressure into the carbocoal discharging surge bin through the air seal device and controlling the ordered operation cooperation of carbocoal discharging gate valves at a bin inlet and bin outlet of the carbocoal discharging surge bin, gas in the bottom of the retort is sealed over valve plates of the carbocoal discharging gate valves, so that no gas and oil-gas leakage in the process of dry carbocoal discharging is ensured, therefore, no gas and oil-gas loss is caused, the environment is not polluted, and discharged dry carbocoal is easily used. The method is applicable to the dry carbocoal discharging of a 10-100mm blocky oil shale retort for dry distillation and oil refining, and moderate-temperature oil shale dry-carbocoal at a temperature of about 300 DEG C can be discharged, the moderate-temperature dry-carbocoal can be used as fuel for a circulating fluidized bed boiler so as to improve the fuel utilization efficiency of the boiler, and the oderate-temperature dry-carbocoal also can be mixed with other solid fuels and then the obtained mixtures are used as fuel for other boilers.
Description
Technical field
The invention belongs to oil shale distillation, is that a kind of carbonization furnace with air seal set does coke discharging method.
Background technology
Block resinous shale gaseous heat-carrier gas retort is when destructive distillation is produced, gas retort spirit body is operation under positive pressure, its furnace bottom gaseous tension is generally at 3-4KPa, gas retort arrange semicoke time, furnace bottom air seal problem must be solved, otherwise just have a large amount of methane gas row semicoke while leak into outside stove, loss gas and oil gas, destructive distillation is produced be difficult to carry out, contaminate environment, and there is gas and potential safety hazard that oil gas catches fire, explodes.
At present, the block oil shale retorting oil refining technique of domestic and international widespread use mainly contains band Fushun furnaceman's skill of segment occurred, the resinous shale gas recycle to extinction distillation process of company limited of Liaoning Cheng great Hong bright energy research institute, Pei Teluosekesi (Petrosix) the stove distillation process of Brazil, process the block oil shale ore of 10-75mm and 6-50mm respectively, coke discharging mode is wet method coke discharging.Wet method coke discharging is by being with the coke discharging mechanism of water seal to carry out coke discharging, plays the effect to semicoke cooling, sealing and coke discharging, solves furnace bottom air seal problem while coke discharging.It is simple that wet method coke discharging has device structure, and water seal is safe and reliable, and furnace bottom is without the advantage of gas leakage.But when semicoke is by water seal coke discharging, semicoke is cooled directly with water, soak, there is the wet semicoke temperature of discharging low, water content is large, large and the wet semicoke of coke discharging water loss is difficult to the problem utilized, and also there is water seal water coolant simultaneously and is evaporated by hot semicoke, add vapour content in distillation system coal mine gas, add the load of destructive distillation recovery system, add the problem of the energy consumption that oil shale retorting oil refining is produced.
Summary of the invention
The semicoke that the wet method coke discharging technique that the object of the invention is to solve block oil shale oil-refining gas retort exists is difficult to utilization, environmental pollution problem, and propose a kind of by rare gas element air seal set, sealing problem during coke discharging is done at the bottom of solution gas retort, ensure while draining semicoke gas retort under tile this, oil gas do not leak, do not lose gas, oil gas, free from environmental pollution, there is not gas and the carbonization furnace of the band air seal set of the potential safety hazard such as oil gas catches fire, blast does coke discharging method.
The object of the invention is to be realized by following technical scheme: a kind of carbonization furnace with air seal set does coke discharging method,
It is characterized in that, it has in comprising: the first coke discharging push-pull valve of carbonization furnace first coke discharging surge bunker warehouse entry mouth is open mode, when second coke discharging push-pull valve of the first coke discharging surge bunker CD outlet and the 3rd coke discharging push-pull valve of the second coke discharging surge bunker CD outlet are closing condition, under the pushing machine promotion that oil shale distillation furnace bottom is arranged, the semicoke of carbonization furnace inner bottom part falls in the first coke discharging surge bunker, to in coke discharging process in the first coke discharging surge bunker, the second air seal set arranged by the second coke discharging surge bunker passes into rare gas element in the second coke discharging surge bunker, by the gas of oil shale distillation furnace bottom, oil gas is completely enclosed within more than the valve plate of the second coke discharging push-pull valve, when the semicoke in the first coke discharging surge bunker reaches setting height, pushing machine quits work, close the first coke discharging push-pull valve, open the second coke discharging push-pull valve, semicoke is entered in the second coke discharging surge bunker through the first coke discharging surge bunker CD outlet, after semicoke in first coke discharging surge bunker is entered the second coke discharging surge bunker completely, close the second coke discharging push-pull valve, the first air seal set arranged by the first coke discharging surge bunker passes into rare gas element in the first coke discharging surge bunker, by the gas of oil shale distillation furnace bottom, oil gas is completely enclosed within more than the valve plate of the first coke discharging push-pull valve, close the second air seal set, open the 3rd coke discharging push-pull valve, the CD outlet of semicoke through the second coke discharging surge bunker is discharged, repeat above operation, dry semicoke is discharged gas retort.
A kind of carbonization furnace with air seal set of the present invention does coke discharging method, draining in semicoke process, by the coke discharging surge bunker that arranges, adopt inertia sealing gland gas in coke discharging surge bunker, to inject sealing gland gas by air seal set and control the coke discharging push-pull valve orderly cooperation of coke discharging surge bunker into and out of Hatch Opening, gas at the bottom of gas retort is enclosed in more than coke discharging gate valve plate, ensure in dry coke discharging process without gas, oil and gas leakage, without gas, oil and gas loss, free from environmental pollution, the dry semicoke of discharge is easy to utilize; Be applicable to the block oil shale retorting oil refining gas retort of 10-100mm and do coke discharging, can outflow temperature be the dry semicoke of middle temperature resinous shale of about 300 DEG C, wherein warm dry semicoke is suitable for as circulating fluidized bed boiler fuel fuel, improve boiler oil utilising efficiency, also can with the fuel of other solid fuel mixing as other boiler.
Accompanying drawing explanation
Fig. 1 is that a kind of carbonization furnace with air seal set of the present invention does coke discharging method schematic diagram.
In figure: 1 carbonization furnace, 2 pushing machines, 3 first coke discharging push-pull valves, 4 first coke discharging surge bunkers, 5 second coke discharging push-pull valves, 6 the 3rd coke discharging push-pull valves, 7 first air seal sets, 8 second air seal sets, 9 second coke discharging surge bunkers.
Embodiment
The invention will be further described to utilize drawings and Examples below.
A kind of carbonization furnace with air seal set of the present invention does coke discharging method, have in comprising: the first coke discharging push-pull valve 3 of the first coke discharging surge bunker 4 warehouse entry mouth of carbonization furnace 1 is open mode, when second coke discharging push-pull valve 5 of the first coke discharging surge bunker 4 CD outlet and the 3rd coke discharging push-pull valve 6 of the second coke discharging surge bunker 9 CD outlet are closing condition, under the pushing machine 2 arranged bottom carbonization furnace 1 promotes, the semicoke of carbonization furnace 1 inner bottom part falls in the first coke discharging surge bunker 4, to in coke discharging process in the first coke discharging surge bunker 4, the second air seal set 8 arranged by the second coke discharging surge bunker 9 passes into rare gas element in the second coke discharging surge bunker 9, make the sealing gland pressure of rare gas element a little more than destructive distillation base pressure, by the gas bottom carbonization furnace 1, oil gas is completely enclosed within more than the valve plate of the second coke discharging push-pull valve 5, when the semicoke in the first coke discharging surge bunker 4 reaches setting height, pushing machine 2 quits work, close the first coke discharging push-pull valve 3, open the second coke discharging push-pull valve 5, semicoke is entered in the second coke discharging surge bunker 9 through the first coke discharging surge bunker 4 CD outlet, after semicoke in first coke discharging surge bunker 4 is entered the second coke discharging surge bunker 9 completely, close the second coke discharging push-pull valve 5, the first air seal set 7 arranged by the first coke discharging surge bunker 4 passes into rare gas element in the first coke discharging surge bunker 4, make the sealing gland pressure of rare gas element a little more than destructive distillation base pressure, by the gas bottom carbonization furnace 1, oil gas is completely enclosed within more than the valve plate of the first coke discharging push-pull valve 3, close the second air seal set 8, open the 3rd coke discharging push-pull valve 6, the CD outlet of semicoke through the second coke discharging surge bunker 9 is discharged, repeat above operation, dry semicoke is discharged gas retort 1.
The present invention is not limited to this embodiment, and to those skilled in the art, simple copy and improvement without creative work all belong to the scope that the claims in the present invention are protected.
Claims (1)
1. the carbonization furnace with air seal set does coke discharging method, it is characterized in that, it has in comprising: the first coke discharging push-pull valve of carbonization furnace first coke discharging surge bunker warehouse entry mouth is open mode, when second coke discharging push-pull valve of the first coke discharging surge bunker CD outlet and the 3rd coke discharging push-pull valve of the second coke discharging surge bunker CD outlet are closing condition, under the pushing machine promotion that oil shale distillation furnace bottom is arranged, the semicoke of carbonization furnace inner bottom part falls in the first coke discharging surge bunker, to in coke discharging process in the first coke discharging surge bunker, the second air seal set arranged by the second coke discharging surge bunker passes into rare gas element in the second coke discharging surge bunker, by the gas of oil shale distillation furnace bottom, oil gas is completely enclosed within more than the valve plate of the second coke discharging push-pull valve, when the semicoke in the first coke discharging surge bunker reaches setting height, pushing machine quits work, close the first coke discharging push-pull valve, open the second coke discharging push-pull valve, semicoke is entered in the second coke discharging surge bunker through the first coke discharging surge bunker CD outlet, after semicoke in first coke discharging surge bunker is entered the second coke discharging surge bunker completely, close the second coke discharging push-pull valve, the first air seal set arranged by the first coke discharging surge bunker passes into rare gas element in the first coke discharging surge bunker, by the gas of oil shale distillation furnace bottom, oil gas is completely enclosed within more than the valve plate of the first coke discharging push-pull valve, close the second air seal set, open the 3rd coke discharging push-pull valve, the CD outlet of semicoke through the second coke discharging surge bunker is discharged, repeat above operation, dry semicoke is discharged gas retort.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837961.8A CN104498068B (en) | 2014-12-30 | 2014-12-30 | The carbonization furnace of a kind of band air seal set does coke discharging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410837961.8A CN104498068B (en) | 2014-12-30 | 2014-12-30 | The carbonization furnace of a kind of band air seal set does coke discharging method |
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| CN104498068A true CN104498068A (en) | 2015-04-08 |
| CN104498068B CN104498068B (en) | 2016-08-24 |
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| CN201410837961.8A Expired - Fee Related CN104498068B (en) | 2014-12-30 | 2014-12-30 | The carbonization furnace of a kind of band air seal set does coke discharging method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062512A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Clinker cache bin for continuous dry distillation furnace material discharge system |
| CN107216898A (en) * | 2017-07-18 | 2017-09-29 | 洛阳建材建筑设计研究院有限公司 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
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| WO1996017037A1 (en) * | 1994-11-30 | 1996-06-06 | Fluor Corporation | Low headroom coke drum deheading device |
| CN101531906A (en) * | 2009-04-23 | 2009-09-16 | 山西利华新科技开发有限公司 | Method for electrical heating continuous coal pyrogenation coking and coking furnace thereof |
| CN101775295A (en) * | 2010-02-04 | 2010-07-14 | 山西中元煤洁净技术有限公司 | Combined type dry quenching device and technology thereof |
| CN201660591U (en) * | 2009-12-18 | 2010-12-01 | 陕西冶金设计研究院有限公司 | Internal thermal type vertical coke discharging device with semi-coke oven dry process |
| CN102277179A (en) * | 2011-07-31 | 2011-12-14 | 圣火科技(河南)有限责任公司 | Economic dry quenching device |
| CN102492446A (en) * | 2011-12-16 | 2012-06-13 | 沈阳成大弘晟能源研究院有限公司 | Combined type gas full-cycle gas retort |
| CN203429135U (en) * | 2013-05-06 | 2014-02-12 | 陕西冶金设计研究院有限公司 | Low-temperature retort of oil shale |
-
2014
- 2014-12-30 CN CN201410837961.8A patent/CN104498068B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996017037A1 (en) * | 1994-11-30 | 1996-06-06 | Fluor Corporation | Low headroom coke drum deheading device |
| CN101531906A (en) * | 2009-04-23 | 2009-09-16 | 山西利华新科技开发有限公司 | Method for electrical heating continuous coal pyrogenation coking and coking furnace thereof |
| CN201660591U (en) * | 2009-12-18 | 2010-12-01 | 陕西冶金设计研究院有限公司 | Internal thermal type vertical coke discharging device with semi-coke oven dry process |
| CN101775295A (en) * | 2010-02-04 | 2010-07-14 | 山西中元煤洁净技术有限公司 | Combined type dry quenching device and technology thereof |
| CN102277179A (en) * | 2011-07-31 | 2011-12-14 | 圣火科技(河南)有限责任公司 | Economic dry quenching device |
| CN102492446A (en) * | 2011-12-16 | 2012-06-13 | 沈阳成大弘晟能源研究院有限公司 | Combined type gas full-cycle gas retort |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105062512A (en) * | 2015-08-03 | 2015-11-18 | 中冶焦耐工程技术有限公司 | Clinker cache bin for continuous dry distillation furnace material discharge system |
| CN107216898A (en) * | 2017-07-18 | 2017-09-29 | 洛阳建材建筑设计研究院有限公司 | A kind of oil shale swinging gas retort anoxybiotic sealing technology |
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| Publication number | Publication date |
|---|---|
| CN104498068B (en) | 2016-08-24 |
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Granted publication date: 20160824 Termination date: 20191230 |
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