CN105295982B - The Poly-generation utilization system and its technique of a kind of oil shale attendants - Google Patents
The Poly-generation utilization system and its technique of a kind of oil shale attendants Download PDFInfo
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- CN105295982B CN105295982B CN201510794082.6A CN201510794082A CN105295982B CN 105295982 B CN105295982 B CN 105295982B CN 201510794082 A CN201510794082 A CN 201510794082A CN 105295982 B CN105295982 B CN 105295982B
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- gas
- heating furnace
- oil
- oil shale
- low temperature
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
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Abstract
The invention discloses a kind of Poly-generation utilization system of oil shale attendants, including feed bin, gas retort, oil tank, gas and oil separating plant, mash gas purification apparatus, high temperature gas heating furnace, gas storage tank, nondestructive inspection gas burner, low temperature gas heating furnace, gas turbine, heat exchanger, chimney, steam turbine, CFBB and batcher；Destructive distillation is carried out using the mixture of oil shale and biomass.The invention also discloses a kind of technique, fuel gas is divided into three parts by its step by gas storage tank：One as gas retort gas heat carrier；Two burn as fuel in nondestructive inspection gas burner, produce high-temperature flue gas to be used to heat the gas heat carrier in high temperature gas heating furnace；Three feeding gas turbine combustions, low temperature gas heating furnace hot gas heat carrier is entered after the high-temperature flue gas acting of generation.Oil shale and biomass HYBRID RETORTING are improve the yield of fuel gas by the present invention, realize the purpose of gas fuel burning heat supply, mass transfer and heat-carrying.
Description
Technical field
Technical field is utilized the invention belongs to oil shale resources, more particularly to a kind of Poly-generation of oil shale attendants is comprehensive
Close and utilize system and its technique.
Background technology
Oil shale is a kind of important unconventional petroleum resources, and reserves are huge, the heat in 400~600 DEG C of destructive distillation device
After solution just availability matter similar to natural oil shale oil, the oil supply nervous age in the world, always as very
The important oil supplement energy.At present, explored shale oilreserves (press oil shale in-situ reserves for more than 4,000 hundred million tons in the world
Calculate), significantly larger than world's crude oil verifies recoverable reserves.China is oil shale resources reserves big country, has verified oil shale resources
7199.37 hundred million tons of reserves, the reserves for being converted to shale oil are 476.44 hundred million tons.
The situation nervous to alleviate the supply of world today's oil, oil shale is favored by more and more national.Many states
Family and scientific research institution develop various distillation process on the basis of long period of development work, representative at present to have been used for
Industrial retorting technique has Australian ATP retorting techniques, Brazil Petrosix retorting techniques, Estonia Galoter
With Kiviter retorting techniques and China's fushun retort oven retorting technique etc..Although by years development, these technologies are increasingly
It is perfect, but still there are some problems in actual motion, it is impossible to it is solved.Such as ATP retorting techniques heat loss
Larger, Galoter technological processes are complicated, and the oil shale powder scrap and oil shale semi-coke of the generation of fushun retort oven retorting technique are simultaneously
Do not recycled effectively, at the same time, water resource is also wasted seriously.In view of these problems, China, the U.S., love are husky
Ni Ya etc. country oil shale workers advise more and more oil shale industry it is preferably walk " liquefaction-generating-chemical industry with
The Comprehensive of building materials " utilizes technology path, so as to realize the efficient and clean utilization of oil shale resources.
Patent of invention CN200810013088.5 discloses gas full-circulation oil-shale grading dry distillation technique and device, uses
The semicoke that semicoke mixing gas combustion is provided in heat, but the technique for carbonization furnace needs to first pass through water before combustion
It is cold, wasted so as to cause water resource pollution and semicoke sensible heat, at the same time, the semicoke calorific value by water logging is relatively low,
Burning is relatively difficult.Publication CN201210189395.5 and patent of invention CN201110443734.3 propose gas-solid group respectively
Box-like heat-carrying oil shale fluidized bed dry distillation system and Oil shale rotary kiln destructive distillation and CFBC technique, using oil shale
The shale ashes for producing burn as oil shale retorting solid thermal carriers, but high temperature shale ashes transmission relative difficulty, while excessively
Shale ashes very strong suction-operated can be caused to oil-shale retorting product so that yield of the product reduction.
The content of the invention
In order to improve the yield of fuel gas during oil shale retorting, and solve the material transferring of solid thermal carriers and ask
Topic, it is an object of the invention to provide a kind of Poly-generation utilization system and its technique.A kind of oil shale companion that the present invention is provided
The Poly-generation utilization system of biomass, including feed bin, gas retort, gas and oil separating plant, oil tank, also add including high temperature gas
Hot stove, mash gas purification apparatus, gas storage tank, nondestructive inspection gas burner, gas turbine, chimney, low temperature gas heating furnace, steam turbine,
Heat exchanger, CFBB and batcher；Wherein,
Feed bin is connected with gas retort, for sample introduction；The top of gas retort is connected with gas and oil separating plant；Gas and oil separating plant
It is connected with oil tank and mash gas purification apparatus；Mash gas purification apparatus are connected with gas storage tank；Gas storage tank respectively with nondestructive inspection gas burner,
Gas turbine and low temperature gas heating furnace are connected；Nondestructive inspection gas burner and low temperature gas heating furnace connect with high temperature gas heating furnace
Connect；Gas turbine is connected with low temperature gas heating furnace；High temperature gas heating furnace is connected with gas retort；
The bottom of gas retort is connected with batcher；Batcher is connected with CFBB；CFBB is passed through
Heat exchanger is connected with steam turbine；
Low temperature gas heating furnace, high temperature gas heating furnace and heat exchanger are connected with chimney；
Poly-generation utilization system carries out destructive distillation using the mixture of oil shale and biomass.
Further, low temperature gas heating furnace, high temperature gas heating furnace and heat exchanger are connected with chimney, particular by
First Y-pipe is connected with high temperature gas heating furnace, heat exchanger and the second Y-pipe respectively, and the second Y-pipe connects low respectively again
Warm gas heating furnace and chimney.
Further, gas turbine and steam turbine connect TRT or heating plant respectively.
Further, the top of gas retort is connected with feed bin.
Further, the top of gas retort is connected with gas and oil separating plant；The bottom of gas retort is connected with batcher.
The present invention also provides a kind of work of the Poly-generation utilization system using above-described oil shale attendants
Skill, comprises the following steps：
Step one, by drying, it is broken after oil shale mix with biomass after send into feed bin；
Step 2, the mixture feeding gas retort by the oil shale in feed bin and biomass, carrying out low temperature distillation generation can
Combustion gas body, oil vapour and solid waste semicoke；
Fuel gas and oil vapour in step 3, step 2 leave from gas retort top, are separated through gas and oil separating plant
Into fuel gas and oil, fuel gas is stored in gas storage tank after being purified through mash gas purification apparatus, and oil is stored in oil tank；
The fuel gas that step 3 is produced is divided into three parts by step 4, gas storage tank：Part I is carried as air heat
Body, gas retort is sent into after being heated through low temperature gas heating furnace and high temperature gas heating furnace；Part II fires as fuel in gas
Burner is burnt, and the high-temperature flue gas of generation are used to heat the gas heat carrier in high temperature gas heating furnace；Part III sends into combustion gas
Turbine combustion, leaves gas turbine, into low temperature gas heating furnace hot gas heat carrier after the high-temperature flue gas acting of generation.
Further, also include：
The solid waste semicoke that step 5, step 2 are produced enters burning in circulating fluid bed boiler through batcher.
Further, also include：
The working-medium water in high-temperature flue gas heating heat exchanger that burning in circulating fluid bed boiler is produced in step 6, step 5,
High-temperature steam is produced to enter steam turbine, for supplying heat and generating power.
Further, also include：
Low temperature gas heating furnace and high temperature gas heating furnace in flue gas, step 4 in step 7, step 6 in heat exchanger
In flue gas flow equalizing enter chimney and be discharged.
Further, also include：
Step 8, using in CFBB in step 5 produce shale lime-ash be subject to as building materials and industrial chemicals
Utilize.
Wherein, step 3 does not exist sequencing with step 5 and step 6；Step 5 is not deposited with step 3 and step 4
In sequencing；Step 8 does not exist sequencing with step 3, step 4, step 6, step 7.
Its technique effect includes：
1) using oil shale attendants as fuel combination, the spy more than the few oil of oil shale gas is made up less with biogas heavy wool
Property, produce abundance can not only be used for heat carrier, the fuel gas but also as fuel.
2) using biomass as the supplement energy, mixing oil shale retorting produces more fuel gas, overcomes oily page
The fuel gas liberated heat that the independent destructive distillation of rock is produced is not enough to the heat needed for maintaining itself destructive distillation.
3) heat carrier used by gas retort is by the fuel gas of two-step heating, so as to overcome solid thermal carriers transmission
Difficulty.
4) two-step heating stove is taken to provide heat for heat carrier, success simultaneously effectively discharges the heat in fuel gas using destructive distillation
Value, realizes recycling for energy.
5) CFBB running temperature is 850~900 DEG C, belongs to low-temperature burning, effectively controls the generation of NOx
With discharge, and allow that semicoke fixed carbon is fully used, phosphorus content is few in shale ashes, can be directly as building materials and change
Work raw material.
6) present invention realizes the comprehensive optimal control of oil shale, energy loss has been reduced to a great extent, and realize
Product diversification, while producing shale oil, gas, electricity etc..
7) the high-temp solid discarded object for being produced using gas retort is used as circulating fluidized bed boiler fuel, the high-temperature flue gas vapour of generation
Change boiler feedwater, the steam of generation is used for heat supply and acting, generates electricity, and realizes the recycling of solid waste semicoke, increases
The added benefit that oil shale retorting is utilized, while improving energy utilization rate, reduces chemical contamination and the heat of oil shale residues
Pollution.
8) it is tired so as to overcome solid thermal carriers to transmit using fuel gas as the heat carrier of oil shale retorting institute calorific requirement
It is difficult.
9) whole system oil shale retorting oil productivity is higher, it is to avoid the problem of environmental pollution of solid waste semicoke, from
And realize clean, the efficient utilization of oil shale resources.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the Poly-generation utilization system of oil shale attendants of the invention.
Wherein, 1- feed bins, 2- gas retorts, 3- gas and oil separating plants, 4- oil tanks, 5- high temperature gas heating furnace, 6- gas are net
Makeup is put, 7- gas storage tank, 8- nondestructive inspection gas burners, 9- gas turbines, 10- chimneys, 11- low temperature gas heating furnace, 12- vapor wheels
Machine, 13- heat exchangers, 14- CFBBs and 15- batchers.
Specific embodiment
The technique effect of design of the invention, concrete structure and generation is described further below with reference to accompanying drawing, with
It is fully understood from the purpose of the present invention, feature and effect.
As shown in figure 1, the oil shale after drying, crushing sends into feed bin 1, lower traveling after mixing by a certain percentage with biomass
Enter gas retort 2, low temperature distillation produces fuel gas, oil vapour and solid waste semicoke.Fuel gas and oil vapour are from destructive distillation
The top of stove 2 is left, and fuel gas and oil are separated into through gas and oil separating plant 3, and fuel gas is deposited after being purified through mash gas purification apparatus 6
Gas storage tank 7 is stored in, oil is stored in oil tank 4；Semicoke burns through batcher 15 into CFBB 14；Gas storage tank 7
Fuel gas is divided into three parts：Part I is heated as gas heat carrier through low temperature gas heating furnace 11 and high temperature gas
Stove 5 sends into gas retort 2 after heating；Part II burns as fuel in nondestructive inspection gas burner 8, and the high-temperature flue gas of generation are used to heat
Gas heat carrier in high temperature gas heating furnace 5；Part III feeding gas turbine 9 burns, the high-temperature flue gas acting of generation, generating
After leave gas turbine 9, into the hot gas heat carrier of low temperature gas heating furnace 11；The high temperature that CFBB 14 is produced
Working-medium water in flue gas heat exchanger 13, produces high-temperature steam to enter steam turbine 12, for supplying heat and generating power；From heat exchange
The flue gas of device 13, low temperature gas heating furnace 11 and high temperature gas heating furnace 5 collects latter and flows into chimney 10；Recirculating fluidized bed pot
The shale lime-ash that stove 14 is produced can be used as building materials and industrial chemicals.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without
Need creative work just can make many modifications and variations with design of the invention.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of Poly-generation utilization system of oil shale attendants, including feed bin, gas retort, gas and oil separating plant, oil
Tank, it is characterised in that also including high temperature gas heating furnace, mash gas purification apparatus, gas storage tank, nondestructive inspection gas burner, gas turbine,
Chimney, low temperature gas heating furnace, steam turbine, heat exchanger, CFBB and batcher；Wherein,
The feed bin is connected with the gas retort, for sample introduction；The top of the gas retort is connected with the gas and oil separating plant；
The gas and oil separating plant is connected with the oil tank and the mash gas purification apparatus；The mash gas purification apparatus are stored up with the gas
Tank is connected；The gas storage tank is connected with the nondestructive inspection gas burner, the gas turbine and the low temperature gas heating furnace respectively；
The nondestructive inspection gas burner and the low temperature gas heating furnace are connected with the high temperature gas heating furnace；The gas turbine and institute
State the connection of low temperature gas heating furnace；The high temperature gas heating furnace is connected with the gas retort；
The bottom of the gas retort is connected with the batcher；The batcher is connected with the CFBB；It is described
CFBB is connected through the heat exchanger with the steam turbine；
The low temperature gas heating furnace, the high temperature gas heating furnace and the heat exchanger are connected with the chimney；
The Poly-generation utilization system carries out destructive distillation using the mixture of oil shale and biomass；The gas turbine and institute
State steam turbine and connect TRT or heating plant respectively；The top of the gas retort is connected with the feed bin.
2. the Poly-generation utilization system of oil shale attendants as claimed in claim 1, it is characterised in that the low temperature
Gas heating furnace, the high temperature gas heating furnace and the heat exchanger are connected with the chimney, particular by the first trident
Pipe is connected with the high temperature gas heating furnace, the heat exchanger and the second Y-pipe respectively, and second Y-pipe connects respectively again
Connect the low temperature gas heating furnace and the chimney.
3. the Poly-generation utilization system of oil shale attendants as claimed in claim 1, it is characterised in that the destructive distillation
The top of stove is connected with the gas and oil separating plant；The bottom of the gas retort is connected with the batcher.
4. the technique of a kind of Poly-generation utilization system using oil shale attendants as claimed in claim 1, it is special
Levy and be, comprise the following steps：
Step one, by drying, it is broken after oil shale mix with biomass after send into the feed bin；
Step 2, the mixture feeding gas retort by the oil shale in the feed bin and biomass, carry out low temperature distillation product
Raw fuel gas, oil vapour and solid waste semicoke；
The fuel gas and the oil vapour in step 3, the step 2 leave from the gas retort top, through described
Gas and oil separating plant is separated into fuel gas and oil, and the fuel gas is stored in described after being purified through the mash gas purification apparatus
Gas storage tank, the oil is stored in the oil tank；
The fuel gas that the step 3 is produced is divided into three parts by step 4, the gas storage tank：Part I conduct
Gas heat carrier, the gas retort is sent into after being heated through the low temperature gas heating furnace and the high temperature gas heating furnace；Second
Part is burnt as fuel in the nondestructive inspection gas burner, and the high-temperature flue gas of generation are used to heat in the high temperature gas heating furnace
The gas heat carrier；Part III sends into the gas turbine combustion, and the combustion gas is left after the high-temperature flue gas acting of generation
Turbine, the gas heat carrier is heated into the low temperature gas heating furnace.
5. the technique of the Poly-generation utilization system of oil shale attendants as claimed in claim 4, it is characterised in that also
Comprise the following steps：
The solid waste semicoke that step 5, the step 2 are produced enters recirculating fluidized bed pot through the batcher
Stove burns.
6. the technique of the Poly-generation utilization system of oil shale attendants as claimed in claim 5, it is characterised in that also
Comprise the following steps：
The high-temperature flue gas that burning in circulating fluid bed boiler described in step 6, the step 5 is produced are heated in the heat exchanger
Working-medium water, produces high-temperature steam to enter the steam turbine, for supplying heat and generating power.
7. the technique of the Poly-generation utilization system of oil shale attendants as claimed in claim 6, it is characterised in that also
Comprise the following steps：
Low temperature gas heating furnace and institute described in flue gas, the step 4 described in step 7, the step 6 in heat exchanger
State the flue gas flow equalizing in high temperature gas heating furnace and enter the chimney and be discharged.
8. the technique of the Poly-generation utilization system of oil shale attendants as claimed in claim 7, it is characterised in that also
Comprise the following steps：
Step 8, using in CFBB in the step 5 produce shale lime-ash be subject to as building materials and industrial chemicals
Utilize.
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| CN201510794082.6A CN105295982B (en) | 2015-11-18 | 2015-11-18 | The Poly-generation utilization system and its technique of a kind of oil shale attendants |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105255508A (en) * | 2015-11-18 | 2016-01-20 | 上海交通大学 | Poly-generation utilization system of oil shale with highly-volatile coal and process of system |
| CN105295983B (en) * | 2015-11-18 | 2017-06-16 | 上海交通大学 | A kind of oil shale utilizes system and its technique with the Poly-generation of organic solid castoff |
| CN112899000B (en) * | 2019-11-19 | 2022-06-03 | 上海工程技术大学 | Biomass waste volatile component catalytic oil shale dry distillation coupling system and method |
| CN111978972B (en) * | 2020-08-05 | 2021-10-08 | 上海工程技术大学 | Straw waste coupling oil shale comprehensive utilization system and process |
| CN111996020B (en) * | 2020-08-06 | 2021-09-10 | 上海工程技术大学 | Biomass waste coupling wet garbage multi-state co-production comprehensive utilization system and process |
| CN112195034B (en) * | 2020-09-15 | 2021-10-08 | 上海工程技术大学 | Biomass waste volatile component catalytic oil shale dry distillation coupling system and method |
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| DE102010014768B4 (en) * | 2010-04-13 | 2021-10-28 | Nexxoil Gmbh | Process for the thermal splitting of high molecular weight organic waste |
| CN102942943B (en) * | 2012-11-16 | 2014-04-16 | 东北电力大学 | Oil shale gas-solid heat carrier dry distillation and semicoke combustion electricity generation integral process |
| CN102977904B (en) * | 2012-11-16 | 2014-08-13 | 东北电力大学 | Oil shale synthesized utilization method |
| CN105295983B (en) * | 2015-11-18 | 2017-06-16 | 上海交通大学 | A kind of oil shale utilizes system and its technique with the Poly-generation of organic solid castoff |
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