CN103450919A - Oil sand calcining device and an oil sand calcining process - Google Patents
Oil sand calcining device and an oil sand calcining process Download PDFInfo
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- CN103450919A CN103450919A CN201310407016XA CN201310407016A CN103450919A CN 103450919 A CN103450919 A CN 103450919A CN 201310407016X A CN201310407016X A CN 201310407016XA CN 201310407016 A CN201310407016 A CN 201310407016A CN 103450919 A CN103450919 A CN 103450919A
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- roasting kiln
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Abstract
The invention discloses an oil sand calcining device and an oil sand calcining process. The oil sand calcining device comprises a rotary dryer, a cyclone dust collector I, a cyclone dust collector II, a bag-type dust collector, a spiral conveyer I, a spiral conveyer II, a drying induced fan, a combustor, a combustor combustion fan, a hot-blast furnace, a feeding machine, a calcining kiln, a combustion fan, an air preheater, a shell and tube condenser, an absorbing tower and a system induced fan. A system which adopts the process has the advantages of continuity in operation, stability in operation, high heat efficiency and convenience for operation, can realize the automatic control, is suitable for larger-scale production, is reduced in occupied area and low in investment and operation and maintenance cost and successfully solves the problem of wall adhesion of oil sand. According to the oil sand calcining device and the oil sand calcining process disclosed by the invention, a calcined product is more incompact and can meet the requirements of building materials; the waste heat recovery rate of the system is greatly increased, and the energy is saved.
Description
Technical field
The invention belongs to building materials and energy field, relate in particular to a kind of oil-sand calciner and technique thereof.
Background technology
Oil-sand is a kind of sandstone that contains rock asphalt or other rocks, usually sand, pitch, mineral substance, clay and water, consists of.The processing method of at present, separating oil-sand mainly contains three kinds of hot water wash method, solvent extration and pyrogenation and carbonization methods.
(1) the hot water wash method is mainly by the effect of thermokalite or tensio-active agent, changes the oil-sand wettability of the surface, makes it more hydrophilic, and then makes sand and separated from bitumen.Although the method is simple to operate, suitability is narrower.
(2) solvent extraction ratio juris is the similar compatibility principle of material, and this method with an organic solvent contacts with oil-sand, and the asphalt oil of dissolving is separated with quartz sand, and extraction agent can recycle.With respect to WATER-WASHING METHOD, the suitability of this method is wider, and the efficiency of washing oil is higher.Because the shortcoming of this method is that environmental pollution is serious, cause it to be only applicable to theory and laboratory study stage, seldom be used to suitability for industrialized production.
(3) the pyrogenation and carbonization ratio juris is to adopt the high temperature more than 250 ℃ to carry out cracking to oil-sand, and the asphalt quality after pyroprocessing obtains very large improvement, and its molecular weight reduces, and colloid reduces, and with the generation of lightweight oil.This method has realized the lighting of heavy component in the oil-sand, but requirement of experiment is higher, and running cost is larger.
Summary of the invention
In order to overcome the above problems, the invention provides a kind of oil-sand calciner and technique thereof.This technique continuously-running, thermo-efficiency is high, stable, easy to operate, and energy-conserving and environment-protective can realize automatic control, are applicable to the industrial oil-sand sinter process of large output.
To achieve these goals, the present invention adopts following technical scheme:
A kind of oil-sand calciner comprises: air sealer two, self-cleaning air sealer, finished product air sealer, shell-and tube condenser, absorption tower and system induced draft fan under air sealer one, whirlwind under rotary dryer, tornado dust collector one, tornado dust collector two, sack cleaner, worm conveyor one, worm conveyor two, dry induced draft fan, burner, burner burner blower, hotblast stove, charger, roasting kiln, burner blower, air preheater, whirlwind.
The tail gas exit end of described rotary dryer is connected successively with described tornado dust collector one, sack cleaner and dry induced draft fan, the material outlet end of described rotary dryer is connected successively with described self-cleaning air sealer, charger, and described burner burner blower is connected successively with described burner, hotblast stove, rotary dryer.
Described charger is connected with described roasting kiln, the smoke outlet of described roasting kiln is connected with described hotblast stove, the tail gas exit end of described roasting kiln is connected with described air preheater, described air preheater is connected successively with described tornado dust collector two, shell-and tube condenser, absorption tower, system induced draft fan, and described air preheater is connected with described burner blower.
Described tornado dust collector air sealer one under whirlwind is connected with described worm conveyor one, described sack cleaner under cloth bag under worm conveyor, cloth bag air sealer with described worm conveyor one, be connected, described worm conveyor one is connected with described self-cleaning air sealer.
The product outlet end of described roasting kiln is connected with worm conveyor two through described finished product air sealer, and described tornado dust collector two air sealer two under whirlwind is connected with described worm conveyor two.
A kind of technique of oil-sand calciner, comprise: wet stock is delivered to rotary dryer, tail gas is emptying after by tornado dust collector and sack cleaner dedusting, and the material after dry and dedusting enters roasting kiln by self-cleaning air sealer and charger, and the finished product after roasting is gone to subsequent processing.
The tail gas that described roasting kiln is discharged enters air preheater, air after preheating is as the combustion air of roasting kiln, tail gas after preheating, through tornado dust collector, shell-and tube condenser and absorption tower, is separated out a large amount of volatile matters, as the thermal source of rotary dryer and roasting kiln.
The flue gas produced after described roasting kiln burning, the hotblast stove be equipped with by rotary dryer is sent in rotary dryer, as the thermal barrier of one-level drying.
By controlling the temperature of roasting kiln, can obtain the product of different purposes.
Beneficial effect of the present invention:
(1) adopt the system of technique of the present invention to move continuously, and stable, thermo-efficiency is high, easy to operate, can realize automatic control, is applicable to fairly large production, and floor space reduces simultaneously, invests lowly, and operation and maintenance cost is low.
(2) in technique to the kiln body direct heating of roasting kiln, promoted the heat transfer process of oil-sand, successful solution the sticky wall problem of oil-sand, simultaneously the calcining after product looser, can reach the requirement of building materials, make the continuity of operation of technique of the present invention be better than other technique.
(3) high-temperature tail gas that in this technique, roasting kiln is discharged is introduced into air preheater, and the heat in high-temperature tail gas is reclaimed, and the air after preheating, as the combustion air of roasting kiln, has improved the waste heat recovery rate of system greatly, has saved the energy.
(4) produce a large amount of volatile matters in this technique, can meet the requirement of rotary dryer and roasting kiln thermal source fully, utilize the thermal barrier of its burning as rotary dryer, utilize the kiln body direct heating of its burning to roasting kiln simultaneously, system is without other thermals source such as outfit Sweet natural gases.
(5) high-temperature flue gas that in this technique, volatile matter produces after the roasting kiln burning, enter the hotblast stove that rotary dryer is equipped with, together with the hot flue gas produced with volatile combustion, send in rotary dryer, thermal barrier as the one-level drying, thereby reclaimed the heat in the high-temperature flue gas, reduce the consumption of the energy, further improved the thermo-efficiency of system.
(6) technique of the present invention, by controlling the temperature of roasting kiln, obtains the product of different purposes.When control roasting kiln temperature is 400 ℃, can generate the tar sand as building materials; When control roasting kiln temperature is 550 ℃, can generate the product as lightweight oil and heavy oil.
(7) aspect the baked for producing of oil-sand, technique of the present invention has desirable effect.
The accompanying drawing explanation
The process flow diagram that Fig. 1 is oil-sand calciner of the present invention.
Wherein, 1. burner, 2. burner burner blower, 3. hotblast stove, 4. belt 5. air sealers of weighing, 6. rotary dryer, 7. tornado dust collector one, 8. air sealer one under whirlwind, 9. sack cleaner, 10. worm conveyor under cloth bag, 11. air sealer under cloth bag, 12. worm conveyor one, 13. self-cleaning air sealer, 14. dry induced draft fan, 15. charger, 16. roasting kiln, 17. burner blower, 18. finished product air sealer, 19. air preheater, 20. tornado dust collector two, 21. under whirlwind, air sealer two, 22. shell-and tube condenser, 23. absorption tower, 24. system induced draft fan, 25. worm conveyor two.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of oil-sand calciner comprises: air sealer 2 21, self-cleaning air sealer 13, finished product air sealer 18, shell-and tube condenser 22, absorption tower 23 and system induced draft fan 24 under air sealer 1, whirlwind under rotary dryer 6, tornado dust collector 1, tornado dust collector 2 20, sack cleaner 9, worm conveyor 1, worm conveyor 2 25, dry induced draft fan 14, burner 1, burner burner blower 2, hotblast stove 3, charger 15, roasting kiln 16, burner blower 17, air preheater 19, whirlwind.
The tail gas exit end of described rotary dryer 6 is connected successively with described tornado dust collector 1, sack cleaner 9 and dry induced draft fan 14, the material outlet end of described rotary dryer 6 is connected successively with described self-cleaning air sealer 13, charger 15, and described burner burner blower 2 is connected successively with described burner 1, hotblast stove 3, rotary dryer 6; Described tornado dust collector 1 air sealer 1 under whirlwind is connected with described worm conveyor 1, described sack cleaner 9 under cloth bag under worm conveyor 10, cloth bag air sealer 11 with described worm conveyor 1, be connected, described worm conveyor 1 is connected with described self-cleaning air sealer 13.
Described charger 15 is connected with described roasting kiln 16, the smoke outlet of described roasting kiln 16 is connected with described hotblast stove 3, the tail gas exit end of described roasting kiln 16 is connected with described air preheater 19, described air preheater 19 is connected successively with described tornado dust collector 2 20, shell-and tube condenser 22, absorption tower 23, system induced draft fan 24, and described air preheater 19 is connected with described burner blower 17.
The product outlet end of described roasting kiln 16 is connected with worm conveyor 2 25 through described finished product air sealer 18, and described tornado dust collector 2 20 air sealer 2 21 under whirlwind is connected with described worm conveyor 2 25.
Wet stock is delivered to rotary dryer 6 by weigh belt 4 and air sealer 5, tail gas is by emptying after tornado dust collector 1 and sack cleaner 9 dedustings, material after drying and dedusting enters roasting kiln 16 by self-cleaning air sealer 13 and charger 15, and the finished product after roasting is gone to subsequent processing.200～300 ℃ of high-temperature tail gas that roasting kiln 16 is discharged enter air preheater 19, and after preheating, the air of 150～200 ℃ is as the combustion air of roasting kiln 16.400 ℃ of high-temperature flue gas that produce after roasting kiln 16 burnings, the hotblast stove 3 be equipped with by rotary dryer 6 is sent in rotary dryer 6, as the thermal barrier of one-level drying.The tail gas that roasting produces, through tornado dust collector 2 20, shell-and tube condenser 22 and absorption tower 23, is separated out a large amount of volatile matters, can be used as the thermal source of rotary dryer 6 and roasting kiln 16.Tail gas after purification is emptying through system induced draft fan 24.
By controlling the temperature of roasting kiln 16, obtain the product of different purposes.When control roasting kiln 16 temperature are 400 ℃, can generate the tar sand as building materials; When control roasting kiln 16 temperature are 550 ℃, can generate the product as lightweight oil and heavy oil.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not the restriction to the invention protection domain; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (7)
1. an oil-sand calciner, it is characterized in that, comprising: air sealer two, self-cleaning air sealer, finished product air sealer, shell-and tube condenser, absorption tower and system induced draft fan under air sealer one, whirlwind under rotary dryer, tornado dust collector one, tornado dust collector two, sack cleaner, worm conveyor one, worm conveyor two, dry induced draft fan, burner, burner burner blower, hotblast stove, charger, roasting kiln, burner blower, air preheater, whirlwind;
The tail gas exit end of described rotary dryer is connected successively with described tornado dust collector one, sack cleaner and dry induced draft fan, the material outlet end of described rotary dryer is connected successively with described self-cleaning air sealer, charger, and described burner burner blower is connected successively with described burner, hotblast stove, rotary dryer;
Described charger is connected with described roasting kiln, the smoke outlet of described roasting kiln is connected with described hotblast stove, the tail gas exit end of described roasting kiln is connected with described air preheater, described air preheater is connected successively with described tornado dust collector two, shell-and tube condenser, absorption tower, system induced draft fan, and described air preheater is connected with described burner blower.
2. a kind of oil-sand calciner as claimed in claim 1, it is characterized in that, described tornado dust collector air sealer one under whirlwind is connected with described worm conveyor one, described sack cleaner under cloth bag under worm conveyor, cloth bag air sealer with described worm conveyor one, be connected, described worm conveyor one is connected with described self-cleaning air sealer.
3. a kind of oil-sand calciner as claimed in claim 1, is characterized in that, the product outlet end of described roasting kiln is connected with worm conveyor two through described finished product air sealer, and described tornado dust collector two air sealer two under whirlwind is connected with described worm conveyor two.
4. the technique of an oil-sand calciner as claimed in claim 1, it is characterized in that, comprise: wet stock is delivered to rotary dryer, tail gas is emptying after by tornado dust collector and sack cleaner dedusting, material after drying and dedusting enters roasting kiln by self-cleaning air sealer and charger, and the finished product after roasting is gone to subsequent processing.
5. the technique of a kind of oil-sand calciner as claimed in claim 4, it is characterized in that, the tail gas that described roasting kiln is discharged enters air preheater, air after preheating is as the combustion air of roasting kiln, tail gas after preheating is through tornado dust collector, shell-and tube condenser and absorption tower, separate out a large amount of volatile matters, as the thermal source of rotary dryer and roasting kiln.
6. the technique of a kind of oil-sand calciner as claimed in claim 4, is characterized in that, the flue gas produced after described roasting kiln burning, and the hotblast stove be equipped with by rotary dryer is sent in rotary dryer, as the thermal barrier of one-level drying.
7. the technique of a kind of oil-sand calciner as claimed in claim 4, is characterized in that, by controlling the temperature of roasting kiln, can obtain the product of different purposes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310407016.XA CN103450919B (en) | 2013-09-09 | 2013-09-09 | Oil sand calcining device and an oil sand calcining process |
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| CN201310407016.XA CN103450919B (en) | 2013-09-09 | 2013-09-09 | Oil sand calcining device and an oil sand calcining process |
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| CN103450919B CN103450919B (en) | 2014-12-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833692A (en) * | 2017-02-13 | 2017-06-13 | 克拉玛依市恒通能源有限公司 | A kind of oil-sand distillation system |
| CN111765767A (en) * | 2020-06-02 | 2020-10-13 | 无锡市康晖机械制造有限公司 | Horizontal roasting furnace |
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| US4563264A (en) * | 1983-02-22 | 1986-01-07 | Metallgesellschaft Aktiengesellschaft | Method of dry distillation of volatile substances from mineral matter containing same |
| JPS6354494A (en) * | 1986-08-22 | 1988-03-08 | Nippon Kokan Kk <Nkk> | Method of obtaining shale oil from oil shale by dry distillation |
| CN201176426Y (en) * | 2008-03-10 | 2009-01-07 | 吉林朋信建设项目管理有限公司 | Device for extracting hydrocarbon oils from oil sand, oil shale, ground oil sand and sludge |
| CN102304375A (en) * | 2011-08-18 | 2012-01-04 | 曹祖斌 | Oil sand/shale fluidized retorting method and system used thereby |
| CN102433144A (en) * | 2011-10-29 | 2012-05-02 | 大连天润能源技术开发有限公司 | Oil sand and oil shale comprehensive utilization method and device thereof |
| CN102504850A (en) * | 2011-11-21 | 2012-06-20 | 江苏鹏飞集团股份有限公司 | Oil sand solid hot carrier low-temperature dry distillation process |
| CN102942943A (en) * | 2012-11-16 | 2013-02-27 | 东北电力大学 | Oil shale gas-solid heat carrier dry distillation and semicoke combustion electricity generation integral process |
| 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 |
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2013
- 2013-09-09 CN CN201310407016.XA patent/CN103450919B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4563264A (en) * | 1983-02-22 | 1986-01-07 | Metallgesellschaft Aktiengesellschaft | Method of dry distillation of volatile substances from mineral matter containing same |
| JPS6354494A (en) * | 1986-08-22 | 1988-03-08 | Nippon Kokan Kk <Nkk> | Method of obtaining shale oil from oil shale by dry distillation |
| CN201176426Y (en) * | 2008-03-10 | 2009-01-07 | 吉林朋信建设项目管理有限公司 | Device for extracting hydrocarbon oils from oil sand, oil shale, ground oil sand and sludge |
| CN102304375A (en) * | 2011-08-18 | 2012-01-04 | 曹祖斌 | Oil sand/shale fluidized retorting method and system used thereby |
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| CN102504850A (en) * | 2011-11-21 | 2012-06-20 | 江苏鹏飞集团股份有限公司 | Oil sand solid hot carrier low-temperature dry distillation process |
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| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833692A (en) * | 2017-02-13 | 2017-06-13 | 克拉玛依市恒通能源有限公司 | A kind of oil-sand distillation system |
| CN106833692B (en) * | 2017-02-13 | 2020-06-02 | 克拉玛依市恒通能源有限公司 | Oil sand dry distillation system |
| CN111765767A (en) * | 2020-06-02 | 2020-10-13 | 无锡市康晖机械制造有限公司 | Horizontal roasting furnace |
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| CN103450919B (en) | 2014-12-03 |
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