CN101402871A - Oil shale retort for treating 2000 tons of granule a day - Google Patents
Oil shale retort for treating 2000 tons of granule a day Download PDFInfo
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- CN101402871A CN101402871A CNA2008102288925A CN200810228892A CN101402871A CN 101402871 A CN101402871 A CN 101402871A CN A2008102288925 A CNA2008102288925 A CN A2008102288925A CN 200810228892 A CN200810228892 A CN 200810228892A CN 101402871 A CN101402871 A CN 101402871A
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Abstract
The invention relates to a device for carrying out carbonization oil refining on the oil shale of small grains. The daily capacity for processing the oil shale of small grains is 2000 tons; the grain diameters of the oil shale to be processed are below 25mm. The device utilizes a multi-layer vibration bed for feeding materials and utilizes heat circulation gas as a gas heat carrier for carbonization under the working situation of mixing with the materials for a plurality of times. The materials and the heat carrier in a carbonization furnace are not only longitudinally contacted, but also transversely contacted with each other; the carbonization intensity is large; the time is short; and the oil yield is high which can be more than 90 percent. The resource utilization factor of the device is 100 percent; moreover, the device has simple structure, is convenient for operation, has less investment and high efficiency and is suitable for large-scale industry production.
Description
Affiliated technical field
The present invention is a kind of equipment that granule wax shale is carried out destructive distillation oil refining.Resinous shale fully contacts with reverse and next thermal circulation gas in the process that vibration is advanced, and realizes destructive distillation oil refining.This device is applicable to handles the following granule wax shale of 25mm, and day output is 2000 tons, and a year processing power is 600,000 tons.
Background technology
All oil shale resources are developed and utilized as replenishing with substitute energy of oil both at home and abroad at present, but most of destructive distillation devices can not utilize granule wax shale, because small-particle shale causes stifled stove, coking easily, gas retort can not normally be moved, thereby granule wax shale given it up, wasting of resources rate reaches more than 20%.As Fushun type retort can only be more than the destructive distillation 12mm resinous shale.Generally acknowledged in the world state-of-the-art Brazilian stove (Petrosix) also can only be handled the above shale of 6.4mm.Utilize the typical devices of granule wax shale oil refining to have two kinds abroad specially, a kind of is Australian ATP stove (Alberea-Taciuk Processor).This device is the solid rotatable gas retort of body thermal barrier Hui, huge, the complex structure of equipment.The long 62.5m of Hui converter, diameter 8.2m, weight 2500t.Designing oily yield is 92%, and reality is 75-80%, only reaches about 80% of design level, processing power is 6000t/d, and actual motion only reaches 4400t/d, is 74% of design, and frequent shutdown maintenance, working rate is about 50%, has the longlyest once also only moved 96 days continuously.A kind of is Estonian Ge Luote (Caloter) stove, can handle the resinous shale of 0-25mm, processing power 3000t/d.Also be to be thermal barrier De rotation type gas retort with the solid.Existing problems also are that operation factor is not high, often shutdown maintenance.The granule destructive distillation device of domestic research in nearly 2 years has two kinds, and the one, the DG technology of Dalian University of Technology also is to be thermal barrier with the solid, but does not build up the industrial experiment device as yet.The 2nd, the oil shale fluidized bed dry distillation and the decarbonization process of the development of Shanghai Bo Sheng company, the powdery resinous shale contacts with the high-temperature gas thermal barrier, fluidized retoring, but need resinous shale is crushed to the following particle diameter of 0.3mm.Build up the testing apparatus of 50 tons of a cover day processing at present in Harbin Gas Works, do not form industrialized unit as yet.
Summary of the invention
The object of the present invention is to provide a kind of simple in structure, easy to operate, treatment capacity big, be suitable for large-scale commercial production, less, the oily yield of investment is higher, can handle to be taken as at present that waste material is abandoned and the destructive distillation oil refining equipment of very precious oil shale resources.Solve the great difficult problem in the resinous shale development and use, oil shale resources utilization ratio of the present invention is 100%, and oily yield is more than 90%.
Key problem in technology of the present invention is to utilize vibrating bed to carry granule wax shale, and multilayer is turned back and fully contacted with thermal circulation gas, realizes destructive distillation.To be granule wax shale enter from the top of gas retort in its technical process, is dispersed into flat bulk shape logistics in a zigzag under the effect of multilayer vibrating bed.The sieve plate of having certain pore size on the vibrating bed.Part granularity is passed the sieve aperture vertical drop less than the tiny resinous shale of sieve aperture, and the tiny resinous shale that is blown afloat with following one deck forms the dilute phase bed of material; Another part granularity forms the loose bed of material of vibration greater than the resinous shale of sieve aperture and moves along the sieve plate great-jump-forward under vibrational state, move to the sieve plate end and trickle down on one deck sieve plate down again.Thermal circulation gas about 700 ℃ enters gas retort from three layer positions, forms uprush and horizontal gas flow under the obstruct of sieve plate and resinous shale.Uprush in the process of passing through the sieve plate and the resinous shale bed of material with resinous shale fully, contact to high strength; Horizontal gas flow speed change between the vibrating bed compass screen surface flows, and with unrestrained resinous shale and the resinous shale on the compass screen surface fully, high strength contact, realization is to the destructive distillation of granule wax shale.Because existing perpendicular flow between resinous shale and the hot gas has horizontal flow again, existing following current has adverse current again, forms distinctive mixed-flow destructive distillation.Resinous shale repeatedly mixes with gas-separates-remix-separate again, by evenly destructive distillation.The intact resinous shale of destructive distillation is fallen into basin again by the cold gas cooling that the gas retort bottom enters, and discharges from the gas retort bottom.Carbonizing gas is discharged from top in company with circulating mash gas, after oil is received in dedusting, is sent to process furnace, sends into gas retort again after being heated to 700 ℃.Circulation and so forth forms the successive technical process.For realizing this distillation process, adopted following technology: the one, the motion of resinous shale in stove advances in the vibrating turning mode, and the factor that existing deadweight falls has the propulsive factor of vibration again.Form mobile long queue in a zigzag in gas retort, will not stop up gas retort, the gas retort total height is about 24m, but the stroke of resinous shale reaches about 45m.The 2nd, adopted the mixed flow technology, hot gas and existing horizontal contact of resinous shale have vertical contact again, resinous shale and sieve plate contact the partly accepting and partly rejecting state that is in.The resinous shale bed of material is in fluffy state all the time.Guaranteed fully contacting of thermal barrier and resinous shale.The 3rd, adopted the multilayer air inlet method, feed hot gas from three layer positions to gas retort, the gas retort temperature is reached more than 550 ℃, the destructive distillation layer height reaches about 5 meters, has guaranteed pyrogenous thoroughness, has prevented again simultaneously that Yin Wendu is too high and the coking problem that produces.The 4th, adjust the gait of march of the resinous shale of different layers position with the shake method of rate of adjustment vibrating motor, the control residence time of material in stove, easy and simple to handle.The 5th, adopted hot gas recycle to extinction, the heating of gas is carried out outside stove, and do not have burning in the stove and take place, no air admission, destructive distillation institute heat requirement relies on thermal circulation gas to bring into fully, has improved the calorific value of semicoke and the calorific value of gas.The 6th, cold circulating mash gas enters from the bottom, and heat is reclaimed in the semicoke cooling intact to destructive distillation.Mix mutually to the hot gas of stove middle part, the retort section temperature is dropped to about 550 ℃, guarantee that the retort section material is unlikely to overheated with 700 ℃.The 7th, the bottom adopts water seal scraper plate mode to discharge of the coke, and has prevented gas evolution, has protected environment.
All in this way resinous shale is not carried out pyrogenous device both at home and abroad at present.Compare with external granule destructive distillation stove, the present invention has following characteristics:
1, the present invention is simple in structure, easy to operate.ATP stove only furnace body floor space just reaches 1000m
2More than, the not enough 40m of the floor space of gas retort of the present invention own
2The ATP stove is owing to have combustion reactions and centre that repeatedly heat exchange, complex structure, complex operation take place in the stove.No combustion reactions in the present invention, resinous shale relies on to shake and tries hard to recommend into, only need adjust motor frequency and can adjust the shale gait of march, and is simple in structure, easy to operate.
2, the present invention's oil yield height, gas calorific value height.Because of employing gas recycle to extinction technology, no air admission, no combustion reactions, oil-collecting ratio reaches more than 90%, and the gas calorific value is more than 4000kcal/kg.
3, less investment of the present invention, efficient height.15,000,000,000 dollars of ATP stove development costs used for seven years.Existing Fushun Mine Administration has introduced one, invests about 1,500,000,000 yuan.Gas retort equipment of the present invention investment itself is no more than 5,000 ten thousand yuan.
4, resource utilization height of the present invention.The following resinous shale of present domestic depleted 12mm all can be used as raw material, and the resinous shale of new exploitation also can be crushed to and carry out destructive distillation below the 25mm.Resource utilization is 100%.
5, the present invention is suitable for large-scale industrial production, and single stove daily handling ability is 2000 tons, is equivalent to the processing power of 20 Fushun type retorts.
6, the present invention has adopted the water seal technology of slagging tap, no gas leak, compliance with environmental protection requirements.
Description of drawings
Granule shale is evenly distributed on the vibrated bed through distribution device, relying on shakes try hard to recommend into, advance to the first order Fall into second level vibrated bed by deadweight when vibrated bed is terminal, the like. Cycling hot gas part from stove Three sections oil shales that enter gas retort and whereabouts contact the generation destructive distillation. The oil gas that destructive distillation produces exists in company with circulating mash gas Discharge out of the furnace after discharge above the stove compiles, enter the water-oil separating recovery system. The complete semicoke of destructive distillation is by stove The cold circulating mash gas that sub-bottom enters is cooled to 250 ℃, enters the pond, is cooled to 80 ℃ again, transports through scraper plate Machine discharges out of the furnace.
Accompanying drawing 2 is day structure charts of 2000 tons of granule wax shale destructive distillation stoves of processing. The branch of each several part shown in the figure Be not: 1, feed arrangement; 2, oil gas vent; 3, vibrated bed; 4, thermal circulation gas import; 5, cold following The import of ring gas; 6, cooling jacket; 7, scratch board conveyor; 8, semicoke pond.
Embodiment
Accompanying drawing 2 is day concrete device for carrying out said of 2000 tons of granule wax shale destructive distillation stoves of processing.Gas retort is provided with nine layers of Zigzag type vibrating bed altogether, with the sieve plate in suitable aperture, guarantees that a part of small-particle shale can freely fall from sieve aperture on the vibrating bed, and most of material moves to end with vibrating bed and falls down on one deck vibrating bed again.700 ℃ thermal circulation gas enters from the bottom of 4,5,6 three layers of vibrating bed, makes resinous shale and methane gas in the gas retort produce repeatedly mixed flow, and the retort section height is 4.5m-5m.Cold circulating mash gas enters from the bottom of the 9th layer of vibrating bed, and the semicoke that destructive distillation is intact is cooled to 250 ℃ under the mixed flow state, and semicoke falls into sealing pond postcooling to 80 and ℃ discharges out of the furnace.
Claims (3)
1, a kind of to carry out the equipment of destructive distillation oil refining less than the granule wax shale of 25mm, daily handling ability is 2000 tons.It is characterized in that resinous shale is turned back with vibrating bed in gas retort advances and gaseous heat-carrier (thermal circulation gas) is repeatedly carrying out destructive distillation under the mixed flow operating mode.
2, distillation apparatus according to claim 1 is characterized in that the motion of resinous shale in gas retort advances in the vibrating turning mode.Be provided with the multilayer vibrating bed in the gas retort, have the sieve plate of certain pore size on the vibrating bed.
3, distillation apparatus according to claim 1 is characterized in that hot gas (gaseous heat-carrier) enters gas retort from a plurality of layers of position, forms repeatedly mixed flow with object in stove.Destructive distillation institute heat requirement is all supplied with by thermal circulation gas, no internal combustion, no air admission in the gas retort.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102288925A CN101402871B (en) | 2008-11-20 | 2008-11-20 | Oil shale retort for treating 2000 tons of granule a day |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008102288925A CN101402871B (en) | 2008-11-20 | 2008-11-20 | Oil shale retort for treating 2000 tons of granule a day |
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| Publication Number | Publication Date |
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| CN101402871A true CN101402871A (en) | 2009-04-08 |
| CN101402871B CN101402871B (en) | 2010-06-09 |
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| CN2008102288925A Expired - Fee Related CN101402871B (en) | 2008-11-20 | 2008-11-20 | Oil shale retort for treating 2000 tons of granule a day |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010025650A1 (en) * | 2008-09-03 | 2010-03-11 | Wu Qicheng | Vibrating and mixed flow type entirely circulated retorting method for granulated oil shale and device thereof |
| CN101942313A (en) * | 2010-07-27 | 2011-01-12 | 沈阳成大弘晟能源研究院有限公司 | Huadian type process and device for dry distillation of oil shale |
| CN102161898A (en) * | 2011-03-21 | 2011-08-24 | 吴启成 | Multi-layer drum-type destructive distillation process and retort furnace for oil shale |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29704859U1 (en) * | 1997-03-04 | 1997-05-28 | Schulz Verfahrenstechnik Gmbh | Apparatus for continuous or discontinuous mass and / or heat transfer processes |
| CN100445349C (en) * | 2003-11-27 | 2008-12-24 | 王守峰 | Process for dry distillation and decarburization of oil shales on fluidized bed |
| CN100537709C (en) * | 2006-12-01 | 2009-09-09 | 关范 | Utilize resinous shale to extract the method for shale oil and calcination of cement clinker |
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2008
- 2008-11-20 CN CN2008102288925A patent/CN101402871B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010025650A1 (en) * | 2008-09-03 | 2010-03-11 | Wu Qicheng | Vibrating and mixed flow type entirely circulated retorting method for granulated oil shale and device thereof |
| CN101942313A (en) * | 2010-07-27 | 2011-01-12 | 沈阳成大弘晟能源研究院有限公司 | Huadian type process and device for dry distillation of oil shale |
| CN101942313B (en) * | 2010-07-27 | 2014-06-18 | 沈阳成大弘晟能源研究院有限公司 | Huadian type process and device for dry distillation of oil shale |
| CN102161898A (en) * | 2011-03-21 | 2011-08-24 | 吴启成 | Multi-layer drum-type destructive distillation process and retort furnace for oil shale |
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| CN101402871B (en) | 2010-06-09 |
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Effective date of registration: 20140827 Address after: 110000, 8-5-1, 36 glorious Street, Heping District, Liaoning, Shenyang Patentee after: Wu Guanfeng Address before: 110016, room 9, building 134-, East Binhe Road, Shenhe District, Liaoning, Shenyang, 241 Patentee before: Wu Qicheng |
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