CN101402871B - 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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- CN101402871B CN101402871B CN2008102288925A CN200810228892A CN101402871B CN 101402871 B CN101402871 B CN 101402871B CN 2008102288925 A CN2008102288925 A CN 2008102288925A CN 200810228892 A CN200810228892 A CN 200810228892A CN 101402871 B CN101402871 B CN 101402871B
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- destructive distillation
- vibrating bed
- gas retort
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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%.
The feature of apparatus of the present invention is: the feeding device of resinous shale and the relief outlet of carbonizing gas are arranged at the top of gas retort, and the top of gas retort inner chamber is provided with 9 layers of tilted-putted vibrating bed, joins end to end between vibrating bed and the vibrating bed, are in a zigzag; The import of three thermal circulation gas is arranged below top-down the 4th, 5,6 layer of tilted-putted vibrating bed, the import of cold circulating mash gas is arranged below the 9th layer, the bottom of gas retort inner chamber is provided with watercooling jacket; The foot of gas retort has water seal tank and scraping transporter.
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 the bottom of three layer positions of top-down the 4th, 5,6 layer of tilted-putted vibrating bed, 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 cold gas cooling that the intact resinous shale of destructive distillation is entered below the 9th layer of vibrating bed falls into water seal tank again after the watercooling jacket cooling, discharge 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 with mode of vibration, 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
Accompanying drawing 1 is day fundamental diagram of 2000 tons of granule wax shale destructive distillation stoves of processing.
Accompanying drawing 2 is day structure iron of 2000 tons of granule wax shale destructive distillation stoves of processing.
Each several part is respectively shown in the figure: 1, feeding unit; 2, oil gas vent; 3, vibrating bed; 4, thermal circulation gas import; 5, cold circulating mash gas import; 6, watercooling jacket; 7, scraping transporter; 8, semicoke water seal tank.
Embodiment
Accompanying drawing 2 is day concrete device for carrying out said of 2000 tons of granule wax shale destructive distillation stoves of processing.This device can effectively be realized purpose of the present invention, concrete feature is: the feeding unit 1 of resinous shale and the relief outlet 2 of destructive distillation oil gas are arranged at the top of gas retort, the top of gas retort inner chamber is provided with 9 layers of tilted-putted vibrating bed 3, joins end to end between vibrating bed and the vibrating bed, is in a zigzag; The import 5 that cold circulating mash gas is arranged below 4, the 9 layers of the imports of three thermal circulation gas is arranged below top-down the 4th, 5,6 layer of tilted-putted vibrating bed, and the bottom of gas retort inner chamber is provided with watercooling jacket 6; The foot of gas retort has semicoke pond 8 and scraping transporter 7.Workflow is as follows:
Small-particle shale is evenly distributed on the vibrating bed 3 through feeding unit 1, and relying on shakes tries hard to recommend into, falls into second stage vibrating bed by deadweight when advancing to first step vibrating bed end, and the like.Gas retort is provided with nine layers of tilted-putted vibrating bed 3 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 3, and most of material moves to end with vibrating bed and falls down on one deck vibrating bed again.700 ℃ thermal circulation gas import 4 is arranged at the bottom of top-down the 4th, 5,6 three layer of vibrating bed, and resinous shale in the gas retort and methane gas produce repeatedly mixed flow, and the retort section height is 4.5m-5m.Cold circulating mash gas import 4 is arranged at the bottom of the 9th layer of vibrating bed, the intact semicoke of destructive distillation is cooled to 250 ℃ under the mixed flow state, semicoke water jacket 6 cooling that is cooled again in dropping process, last, semicoke falls into and is cooled to 80 ℃ behind the sealing pond 8 and discharges out of the furnace through scraper conveyer 7.
Claims (5)
1. one kind to carrying 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: the feeding device of resinous shale and the relief outlet of carbonizing gas are arranged at the top of gas retort, the top of gas retort inner chamber is provided with 9 layers of tilted-putted vibrating bed, join end to end between vibrating bed and the vibrating bed, be in a zigzag; With the sieve plate in suitable aperture, guarantee that a part of small-particle shale can freely fall from sieve aperture on the vibrating bed, most of material moves to end with vibrating bed and falls down on one deck vibrating bed again; The import of three thermal circulation gas is arranged below top-down the 4th, 5,6 layer of tilted-putted vibrating bed, the import of cold circulating mash gas is arranged below the 9th layer, the bottom of gas retort inner chamber is provided with watercooling jacket; The foot of gas retort has water seal tank and scraping transporter.
2. granule wax shale destructive distillation refining equipment according to claim 1 is characterized in that being applicable to the granule wax shale of handling below the 12mm.
3. granule wax shale destructive distillation refining equipment according to claim 1, it is characterized in that the motion of resinous shale in stove advances with mode of vibration, the factor that existing deadweight falls has the propulsive factor of vibration again, forms mobile long queue in a zigzag in gas retort.
4. granule wax shale destructive distillation refining equipment according to claim 1 is characterized in that adjusting the gait of march of the resinous shale of different layers position, the control residence time of material in stove with the shake method of rate of adjustment vibrating motor.
5. destructive distillation oil refining equipment according to claim 1, hot gas enters gas retort from top-down the 4th, 5,6 three layer position, form repeatedly mixed flow with material 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 |
Applications Claiming Priority (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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| Publication Number | Publication Date |
|---|---|
| CN101402871A CN101402871A (en) | 2009-04-08 |
| CN101402871B true CN101402871B (en) | 2010-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
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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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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100543113C (en) * | 2008-09-03 | 2009-09-23 | 吴启成 | Vibrating mixed flow formula complete-alternation granule wax shale destructive distillation method and device |
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29704859U1 (en) * | 1997-03-04 | 1997-05-28 | Schulz Verfahrenstechnik GmbH, 16230 Britz | Apparatus for continuous or discontinuous mass and / or heat transfer processes |
| CN1621493A (en) * | 2003-11-27 | 2005-06-01 | 王守峰 | Process for dry distillation and decarburization of oil shales on fluidized bed |
| CN1962822A (en) * | 2006-12-01 | 2007-05-16 | 关范 | Method for extraction of shale oil by using oil shale and calcination of cement clinker |
-
2008
- 2008-11-20 CN CN2008102288925A patent/CN101402871B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29704859U1 (en) * | 1997-03-04 | 1997-05-28 | Schulz Verfahrenstechnik GmbH, 16230 Britz | Apparatus for continuous or discontinuous mass and / or heat transfer processes |
| CN1621493A (en) * | 2003-11-27 | 2005-06-01 | 王守峰 | Process for dry distillation and decarburization of oil shales on fluidized bed |
| CN1962822A (en) * | 2006-12-01 | 2007-05-16 | 关范 | Method for extraction of shale oil by using oil shale and calcination of cement clinker |
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| CN101402871A (en) | 2009-04-08 |
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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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