CN104109546B - Multiple spot blanking upper-burning solid heat carrier retort technique - Google Patents
Multiple spot blanking upper-burning solid heat carrier retort technique Download PDFInfo
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- CN104109546B CN104109546B CN201310135675.2A CN201310135675A CN104109546B CN 104109546 B CN104109546 B CN 104109546B CN 201310135675 A CN201310135675 A CN 201310135675A CN 104109546 B CN104109546 B CN 104109546B
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- heat carrier
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- ore deposit
- oil
- shale
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The present invention discloses a kind of brand-new oil shale distillation process: multiple spot blanking upper-burning solid heat carrier retort technique.This stove be respectively disposed with from top to bottom hot ore deposit groove (11) and raw material tank (1), combustion furnace (5), join ore deposit batcher (7), gas retort (15), push rod discharger (9) and bucket elevator (2).Described novel distillation process uses upper-burning solid thermal carriers technique, ingenious make use of the waste heat of shale ashes after dry distilling, is made full use of, and fraction, to raw material preheating, melts down after further heating up mostly as heat carrier, the oil gas in dry distilling raw material.Described Novel dry furnace uses multiple spot blanking, single furnace output can be made to improve and reach 2000t/d.The most described Novel dry furnace unique design has joins ore deposit batcher (7), it is achieved that the proportioning blanking of heat carrier and raw material.
Description
Technical field
The present invention relates to oil shale oil-refining technical field, brown coal upgrading technical field, particularly relate to a kind of efficient energy-saving
Multiple spot blanking upper-burning solid heat carrier retort new technology.
Background technology
Global energy shortage, and main energy sources coal, oil, natural gas resource successively decrease and skewness, makes
The price obtaining oil, coal etc. constantly rises.In the face of energy crisis on the horizon, the whole world is recognized and must be taked joint of increasing income
The strategy of stream, i.e. on the one hand saves the energy, on the other hand taps a new source of energy.World Energy Council points out, due to the newest
The appearance of technology, substantially increases the economic benefit that oil shale recovery utilizes.From the point of view of world wide, unconventional petroleum resources
Developing and utilizingpotentiality is the biggest.There are the unconventional petroleum resourceses such as abundant oil shale in China, therefore develops oil shale
Deng unconventional petroleum resources be alleviate china natural resources bottleneck constraint important channel, be ensure Chinese energy safety must be by it
Road.
Large-scale develop and utilize oil shale, produce shale oil, be to adapt to world energy sources industry transformation trend, promote China's energy
Source technology progress and the important opportunity of industrial upgrading.
Summary of the invention
It is an object of the invention to provide a kind of brand-new solid heat carrier retort technique, the advantage that this technique is prominent
Having: production capacity is high, single stove production capacity can reach 2000t/d；Energy utilization rate is high, and energy consumption is low, it is not necessary to supplement other fuel, it is possible to combine
Close the heat produced in utilizing gas retort, decrease thermic load, reduce energy consumption.
The solid thermal carriers multiple spot blanking gas retort new technology of described efficient energy-saving, uses multiple shale ashes hopper, multiple
Combustion furnace heating shale ashes, raw material tank multiple spot blanking, multiple join ore deposit batcher, multiple discharge ram controls operation etc. and grasps flexibly
Operation mode, it is possible to achieve the operations such as each link of gas retort technique effectively controls, maintenance.
The object of the present invention is achieved like this, the solid thermal carriers multiple spot new work of blanking gas retort of described efficient energy-saving
The shale ashes of heat, after bucket elevator (2) is promoted to top, are divided into two parts through screening machine (3) by skill, first shale ashes,
Being partly into hot ore deposit groove (11), be gas retort heat supply as heat carrier after combustion furnace (5) heat, another part is through chute
Enter pre-heat channel (4) to raw material preheating；Heat carrier after heating, on gas retort top, utilizes gravity to run downwards.
Shale ashes in hot ore deposit groove (11) are heated to about 750 DEG C through circumferential multiple combustion furnaces (5), as
The raw material of heat carrier and preheating is discharged into gas retort by joining ore deposit batcher (7), each combustion furnace and join ore deposit batcher and can independently control
System, to ensure that gas retort produces continuously and the control of production capacity.
In dry distilling body of heater (15), it is provided with the devices such as reflecting plate (8), arch bridge, utilizes the space of its underpart, by produce
In the inner core of oil gas suction dry distilling body of heater (15)；Dry distilling body of heater (15) inner core is hollow, can play the effect of depositing dust getter,
Inner core keeps tiny structure, it is ensured that oil gas can fully reclaim；It is dry that dry distilling body of heater (15) discharge system uses discharge ram (9) to realize
Effective control of the stream in furnace body.
Accompanying drawing explanation
In order to be illustrated more clearly that the art of this patent embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is an embodiment of the art of this patent, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other technology arrangement is obtained according to these accompanying drawings.
Fig. 1 is multiple spot blanking solid heat carrier retort process section；
Raw material tank (1), bucket elevator (2), screening machine (3), pre-heat channel (4), combustion furnace (5), burner noz(zle) (6), join
Ore deposit batcher (7), reflecting plate (8), discharge ram (9), drag conveyor (10), hot ore deposit groove (11), ingredient conveyor (12), cigarette
Feed channel (13), empyreumatic oil feed channel (14), dry distilling body of heater (15), ash-unloading tube (16), tremie pipe (17).
Detailed description of the invention
In order to the technical characteristic of the present invention, purpose and effect are had clearer understanding, implement in conjunction with the art of this patent
Accompanying drawing in example, is described the technical scheme in the art of this patent embodiment.
As it is shown in figure 1, the multiple spot blanking upper-burning solid heat carrier retort technique proposed for the present invention, including ingenious profit
With the waste heat of shale ashes after dry distilling, being made full use of, as a heat carrier part to raw material preheating, another part is through entering
One step heat up to preheating after raw material heat supply dry distilling oil gas, additionally this technique unique design has and joins ore deposit batcher (7).Achieve heat
The proportioning Quantitative dosing of carrier and raw material.
First, the shale ashes of the heat after the firm dry distilling of gas retort, after bucket elevator (2) fast lifting to top, are passed through
The shale ashes of heat are divided into two parts by screening machine (3), and a part about 75% enters in 4 hot ore deposits groove (11) of horizontal distribution, then
Being gas retort heat supply as heat carrier after the heating of four combustion furnaces (5), another part about 25% enters pre-heat channel through chute
(4) raw material preheating is given.
Shale ashes are heated to about 750 DEG C through combustion furnace (5), are wherein furnished with device in Gas burner noz(zle) in combustion furnace (5)
(6), directly use, for the device in Gas of combustion furnace heat supply, the device in Gas that gas retort produces, so there is no need to be supplemented with other fuel
For heat carrier heat supply, it is effectively saved energy consumption.Above 4 combustion furnaces of horizontal distribution, it is furnished with flue (13), makes flue gas
Can abundant and shale ashes heat exchange in combustion furnace；
Raw material, in feedstock transportation belt transport to raw material tank (11), divides eight directions through preheating through feeding chute
After groove (4) is preheating to uniform temperature, respectively enters 8 and join ore deposit batcher (7)；Join the blanking that ore deposit batcher (7) is unique design
Equipment, it is possible to achieve heat carrier (about 750 DEG C) with preheating after raw material by a certain percentage, quantitatively, regularly discharging, be effectively ensured
Discharging mass flow controls.
After two kinds of materials enter dry distilling body of heater (15), first pass through four layers of reflecting plate (8) batch mixing, then the arch bridge in body of heater
Equipment realizes being sufficiently mixed of material, and the oil gas simultaneously produced has ventilation sky through reflecting plate (8), the bottom of arch bridge appliance arrangement
Gap, is pooled to gas retort inner core by oil gas.
Dry distilling body of heater (15) inner core is tiny structure, it can be ensured that dry distilling oil gas enters；Inner core is hollow, can play depositing dust and receive
The purpose of gas；Oil gas enters gas and oil separating plant from dry distilling body of heater (15) top through empyreumatic oil feed channel (14)；Dry distilling body of heater
(15) middle and lower part is provided with the dead bed of material, it is achieved sealing gland effect；Dead material layer lower part is discharge ram (9), and this push rod can realize dry distilling
Effective control of the stream in body of heater；The hot shale ashes unloaded through push rod enter drag conveyor through tremie pipe (17)
(10), then be delivered to bucket elevator (2) by heat shale ashes rise to destructive distillation device top use.
The technology of the present invention, it is crucial that make full use of the waste heat of shale ashes, improves gas retort heat utilization rate, itself and existing skill
Art is compared and is had the advantage that
1. to determine its yield big for this process structure layout characteristics；
2. the empyreumatic oil gas disposal amount of technique described in is little, and gas recovery system for oil load is little.Described distillation process needs to reclaim
Oil gas, only fugitive constituent generate carbonization gas, without other additional gas, gas recovery system for oil load is less, reduced investment；
3. energy utilization rate is high, and energy consumption is low.In this scheme, devise waste heat recovery at three；
1) described dry distilling body of heater top, the partial fume that burning zone is produced, introduce raw material preheating interlayer with pipeline, to thing
Material preheating；
2) combustion furnace described in, can reclaim heat in carbon residue by the burning of carbon residue a small amount of in shale ashes；
3) described gas retort, the tailing after dry distilling, wherein 3/4 as heat carrier, directly recycles, and remains 1/4 conduct
Oil shale raw material preheating uses；
4. this technique there are many places to be designed with Multipoint synchronous operation.In technique produces, certain local overhauling does not interferes with whole
Body produces.
The foregoing is only the schematic detailed description of the invention of the present invention, be not limited to the scope of the present invention.Any
Those skilled in the art, equivalent variations done on the premise of without departing from the design of the present invention and principle and amendment, all
The scope of protection of the invention should be belonged to.
Claims (5)
1. oil-shale retorting furnaceman's skill, it is characterised in that: use multiple spot blanking upper-burning solid heat carrier retort work
Skill, this technique is ingenious make use of shale ashes after dry distilling, is made full use of by its waste heat, fraction to raw material preheating, mostly as
Heat carrier melts down after further heating up, the oil gas in dry distilling raw material；Additionally this technique unique design has and joins ore deposit feed
Machine (7), it is achieved that the proportioning blanking of heat carrier and raw material；Described gas retort technique comprises bucket elevator (2), hot ore deposit groove
(11), raw material tank (1), combustion furnace (5), join the dry distilling body of heater (15) of ore deposit batcher (7), inside and outside double-barrel structure；
Described multiple spot blanking upper-burning solid heat carrier retort technique is that shale ashes are arranged on gas retort top, described hot ore deposit
Shale ashes in groove are heated to about 750 DEG C former as heat carrier and preheating through circumferential multiple combustion furnaces (5)
Expect to be discharged into gas retort by joining ore deposit batcher (7), each combustion furnace and join ore deposit batcher and can independently control, to ensure that gas retort is raw
Produce the continuous and raising of production capacity.
2. the oil-shale retorting furnaceman's skill described in claim 1, it is characterised in that use upper-burning: shale ashes are through bucket lifting
After machine (2) is promoted to top, through screening machine (3), the shale ashes of heat is divided into two parts, is partly into hot ore deposit groove (11), warp
Being gas retort heat supply as heat carrier after crossing combustion furnace (5) heating, it is pre-to raw material that another part enters pre-heat channel (4) through chute
Heat；Heat carrier after heating, on gas retort top, utilizes gravity to run downwards.
3. the oil-shale retorting furnaceman's skill described in claim 1, it is characterised in that: in dry distilling body of heater (15), it is provided with reflection
Plate (8), arch bridge device, be designed with space in described arch bridge device bottom, oil gas suction dry distilling body of heater (15) interior that will produce
In Tong.
4. the oil-shale retorting furnaceman's skill described in claim 1, it is characterised in that: dry distilling body of heater (15) inner core is hollow,
The effect of getter, depositing dust can be played, inner core keeps tiny structure, it is ensured that oil gas can fully reclaim.
5. the oil-shale retorting furnaceman's skill described in claim 1, it is characterised in that: dry distilling body of heater (15) discharge system uses and unloads
Material push rod (9) realizes effective control of the stream in dry distilling body of heater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310135675.2A CN104109546B (en) | 2013-04-18 | 2013-04-18 | Multiple spot blanking upper-burning solid heat carrier retort technique |
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| CN201310135675.2A CN104109546B (en) | 2013-04-18 | 2013-04-18 | Multiple spot blanking upper-burning solid heat carrier retort technique |
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| CN104109546A CN104109546A (en) | 2014-10-22 |
| CN104109546B true CN104109546B (en) | 2016-12-28 |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104946283B (en) * | 2015-07-06 | 2017-08-01 | 中冶东方工程技术有限公司 | The charging apparatus of carbonization furnace |
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| US4670104A (en) * | 1983-10-12 | 1987-06-02 | Standard Oil Company (Indiana) | Polar solvent dedusting |
| JPS63139975A (en) * | 1986-12-02 | 1988-06-11 | Agency Of Ind Science & Technol | Gas stream dry distillation of hydrocarbon-containing solid |
| CN2926232Y (en) * | 2006-06-29 | 2007-07-25 | 吉林桦甸北台子油页岩开发有限公司 | Furnace for solid-fuel heat treatment |
| CN102851048A (en) * | 2012-08-30 | 2013-01-02 | 成都易态科技有限公司 | Gas purification system capable of utilizing slag heat |
| CN102952558A (en) * | 2012-11-16 | 2013-03-06 | 东北电力大学 | Integral process for oil shale drying, heating, refining and semicoke burning |
| CN103013544A (en) * | 2013-01-07 | 2013-04-03 | 中煤能源黑龙江煤化工有限公司 | Tunnel pipe thin-layer retort for coal and oil shale and retort process thereof |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201447458U (en) * | 2009-06-25 | 2010-05-05 | 中国石油集团工程设计有限责任公司抚顺分公司 | Multilayer gas distribution full cycle retort furnace |
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2013
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4670104A (en) * | 1983-10-12 | 1987-06-02 | Standard Oil Company (Indiana) | Polar solvent dedusting |
| JPS63139975A (en) * | 1986-12-02 | 1988-06-11 | Agency Of Ind Science & Technol | Gas stream dry distillation of hydrocarbon-containing solid |
| CN2926232Y (en) * | 2006-06-29 | 2007-07-25 | 吉林桦甸北台子油页岩开发有限公司 | Furnace for solid-fuel heat treatment |
| CN102851048A (en) * | 2012-08-30 | 2013-01-02 | 成都易态科技有限公司 | Gas purification system capable of utilizing slag heat |
| CN102952558A (en) * | 2012-11-16 | 2013-03-06 | 东北电力大学 | Integral process for oil shale drying, heating, refining and semicoke burning |
| CN103013544A (en) * | 2013-01-07 | 2013-04-03 | 中煤能源黑龙江煤化工有限公司 | Tunnel pipe thin-layer retort for coal and oil shale and retort process thereof |
Non-Patent Citations (1)
| Title |
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| 《国外油页岩干馏工艺研究开发进展》;韩晓辉等;《中外能源》;20110430;第16卷(第4期);第71页右栏倒数第2段-第72页右栏倒数第2段 * |
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Effective date of registration: 20160905 Address after: 100000 Beijing city Xicheng District Street No. 275 Applicant after: Beijing Industrial Design & Research Institute Co Ltd Address before: 430080 No. 6 metallurgical Avenue, Qingshan District, Hubei, Wuhan Applicant before: WUHAN HUAZHONG GONGJIAN ENGINEERING TECHNOLOGY CO., LTD. |
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