CN204714750U - The refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking - Google Patents
The refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking Download PDFInfo
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- CN204714750U CN204714750U CN201520311722.9U CN201520311722U CN204714750U CN 204714750 U CN204714750 U CN 204714750U CN 201520311722 U CN201520311722 U CN 201520311722U CN 204714750 U CN204714750 U CN 204714750U
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Abstract
The utility model relates to the refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking: destroyer is connected with drying oven by pipeline; Drying oven outlet is connected with atmospheric low-temperature gas retort by pipeline, and the gas-phase product of atmospheric low-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline; Atmospheric low-temperature gas retort connects decompression gas retort by reduced pressure line, and the gas-phase product that decompression destructive distillation produces connects dedusting and gas and oil separating plant through pipeline, and decompression gas retort is vacuumized by pipeline; The outlet of decompression gas retort is connected with constant-pressure and high-temperature gas retort by pipeline, and the gas-phase product of constant-pressure and high-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline; The outlet of constant-pressure and high-temperature gas retort is connected with heat recoverer through pipeline; Pipeline is sand vent line.Or save constant-pressure and high-temperature gas retort, in vacuum furnace, realize the operation of decompression high temperature carbonization.Adopt first normal pressure destructive distillation to subtract the device of destructive distillation final high temperature destructive distillation again, overcome the problem that simple normal pressure destructive distillation green coke amount is large, pollution-free.
Description
Technical field
The utility model relates to refining of petroleum and separation technology field, particularly relates to the destructive distillation of oil-sand solid normal pressure and decompression distillation process, the refining plant of particularly a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking.
Background technology
Oil-sand is also known as Tar sands, heavy oil sand or tar sand.The main component of oil-sand comprises pitch, water, the grains of sand, clay.Asphalt content account for gross weight 3 ~ 20%, moisture accounts for 3 ~ 5%, the grains of sand and clay account for 80 ~ 85%.World petroleum resource day is becoming tight, and oil-sand can the source of hydrocarbon rich resource as unusual oil rule resource, plays an important role in the energy resource supply in future.Oil-sand resource rich reserves, total reserves is estimated to be about 4,000,000,000,000 barrels of crude oil, accounts for 30% of prospective oil, has wide market outlook and economic development value.The exploitation in oil-sand ore deposit mainly contains two kinds of methods: the method for in-situ method and surface mining.Current commercial off-the-shelf sand oil extracting access method is WATER-WASHING METHOD, but WATER-WASHING METHOD is only suitable for process water profit type oil-sand, bad for the treatment effect of glossy type oil-sand, and water consumption is large, produce large amount of sewage and mine tailing.Oil-sand normal pressure dry distillation green coke amount is large, less economical.Patent CN102504850A discloses a kind of oil-sand solid thermal carriers low-temperature pyrolysis technique, and rear after raw material crushing and thermal barrier are entered dry distillation reactor stove HYBRID RETORTING by this technique, and the oil gas of destructive distillation output carries out dedusting separating treatment; Be transported to splitter from dry distillation reactor stove hot lime-ash out through air conveying tower to shunt, a part of hot lime-ash is collected through one cyclonic collector, and the hot lime-ash of collection enters dry distillation reactor stove again; Enter secondary rotoclone collector together with the hot lime-ash of another part that splitter separates and one cyclonic collector dust-laden heat smoke out, the hot lime-ash of collection enters heat exchanger, and preheating enters the air of air conveying tower.This technique adopts hot lime-ash as thermal barrier, but green coke amount is large.Patent CN101358136A provides a kind of method and apparatus of directly fluid coking oil sand.Oil-sand raw material mixes by the method in coking reactor with from close high temperature sand of burning reactor mutually, carry out pyrogenic reaction after heat exchange, fractionation and absorption temperature system is entered after oil gas dedusting, attached Tar sands introduce dilute phase coke-burning riser after stripper stripping, dilute phase coke-burning riser and above close burning in reactor mutually burn, one introducing coking reactor of hot sand after burning is as thermal barrier, and one introduces external warmer heat exchange.If green coke amount is low, burn shortage of heat, combustion oil, coal dust or coke powder etc. can be introduced in coke-burning riser and maintain system heat balance.The method system capacity comprehensive utilization ratio is high, but complicated operation, equipment requirements is high, and needs whole for oil-sand fluidisation, and process cost is high.Patent US4994174 provides the low-temperature pyrolysis technology and equipment system of a kind of resinous shale, oil-sand and similar oil-containing solids.High boiling component in product is mixed pulp with raw material by this technique in pulp device, enters high-pressure spray bed and face hydrogen destructive distillation after preheating under 50bar pressure; Steam produces after hydrogen through the cracking of methane cracking stove and pumps into high pressure fluidized-bed as carrier gas; The carbonization gas that high pressure fluidized-bed produces passes into first-stage condenser, pulp device and raw material mixing pulp is entered by the high boiling component that first-stage condenser condenses, do not entered secondary condenser by the low boiling component of one-level condensing cooling through heat exchanger package, the component be condensed is as product.This technique can produce light-end products, but complex process, equipment requirements is high, and the interior also catalyst-free of high pressure fluidized-bed, hydrogenation efficiency is low, and cause solid circulating rate large, coking yield is high.
Summary of the invention
The utility model overcomes the deficiency that existing retorting technique exists, propose the technique that a kind of first normal pressure destructive distillation subtracts the destructive distillation of destructive distillation final high temperature again, can the energy of the different grade of Appropriate application to reduce energy consumption, overcome the problem that simple normal pressure destructive distillation green coke amount is large, while separate bitumen and the grains of sand, just achieve the initial gross separation of oil sands bitumen, be of value to later separation and the refining of product, realize the efficiency utilization of resource, energy consumption is low, pollution-free.
The technical solution of the utility model:
The utility model is first by atmospheric low-temperature destructive distillation, isolate the light constituent in oil sands bitumen, then by decompression destructive distillation, isolate the heavy constituent in oil sands bitumen, finally by constant-pressure and high-temperature destructive distillation, the pitch of pyrolysis remnants, reaches the object effectively preventing pyrolysis coking loss and product initial gross separation, to realize the efficient and rational utilization of resource.
Raw material crushing device (1), drying oven (2), atmospheric low-temperature gas retort (3), decompression gas retort (4), constant-pressure and high-temperature gas retort (17), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with atmospheric low-temperature gas retort (3) by pipeline (10), and the gas-phase product of atmospheric low-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Atmospheric low-temperature gas retort connects decompression gas retort (4) by reduced pressure line (11), the gas-phase product that decompression destructive distillation produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with constant-pressure and high-temperature gas retort (17) by pipeline (16), and the gas-phase product of constant-pressure and high-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (18); The outlet of constant-pressure and high-temperature gas retort is connected with heat recoverer (5) through pipeline (12); Pipeline (13) is sand vent line.
Raw material is sent into drying oven (2) through feeding line (9) after destroyer (1) fragmentation and carries out dewatering drying; Carry out atmospheric low-temperature destructive distillation from drying oven raw material out by atmospheric pipe (10) atmospheric low-temperature gas retort (3) of making a gift to someone, the gas-phase product of atmospheric low-temperature destructive distillation removes dirt and gas and oil separating plant through normal pressure discharging pipeline (6); The solids product of atmospheric low-temperature gas retort is sent into decompression gas retort (4) and is carried out decompression destructive distillation, the gas-phase product of atmospheric low-temperature destructive distillation removes dirt and gas and oil separating plant through decompression discharging pipeline (7), and pipeline (8) is vacuum lines; Solid product after decompression destructive distillation is sent into constant-pressure and high-temperature gas retort (17) through high temperature carbonization pipeline (16) and is carried out constant-pressure and high-temperature destructive distillation, the gas-phase product of constant-pressure and high-temperature destructive distillation removes dirt and gas and oil separating plant through high temperature carbonization discharging pipeline (18), and solid product enters heat recoverer (5) through solids exit pipeline (12) and reclaims heat; Liquid water is entered by waterflood-transmission line (14), passes into vapour line in vapour form by vapour line (15); Solid sand is discharged by vent line (13).
The utility model can save constant-pressure and high-temperature gas retort, realizes the operation of decompression high temperature carbonization in vacuum furnace, as shown in Figure 2, and the refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking; Comprise raw material crushing device (1), drying oven (2), normal pressure gas retort (3), decompression gas retort (4), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with normal pressure gas retort (3) by pipeline (10), and the gas-phase product of normal pressure destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Normal pressure gas retort connects decompression high-temperature dry distillation furnace (4) by reduced pressure line (11), the gas-phase product that decompression high temperature carbonization produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with heat recoverer (5) by pipeline (12); Pipeline (13) is sand vent line.
Raw material is sent into drying oven (2) through feeding line (9) after destroyer (1) fragmentation and carries out dewatering drying; Carry out normal pressure destructive distillation from drying oven raw material out by atmospheric pipe (10) normal pressure gas retort (3) of making a gift to someone, the gas-phase product of normal pressure destructive distillation removes dirt and gas and oil separating plant through normal pressure discharging pipeline (6); The solids product of normal pressure gas retort is sent into decompression gas retort (4) and is carried out decompression destructive distillation, and the gas-phase product of normal pressure destructive distillation removes dirt and gas and oil separating plant through decompression discharging pipeline (7), and pipeline (8) is vacuum lines; Solid product after decompression destructive distillation is sent into heat recoverer (5) through solids exit pipeline (12) and is reclaimed heat; Liquid water is entered by waterflood-transmission line (14), passes into vapour line in vapour form by vapour line (15); Solid sand is discharged by vent line (13).
The refining plant of the oil-sand Atmospheric vacuum destructive distillation compound thermal cracking that the utility model provides: enter drying oven after raw material is broken and carry out dewatering drying; Carry out normal pressure destructive distillation from drying oven raw material out atmospheric low-temperature gas retort of making a gift to someone, the oil gas that atmospheric low-temperature destructive distillation produces is separated; The solids product of atmospheric low-temperature gas retort is sent into decompression gas retort and is carried out decompression destructive distillation, and the oil gas that decompression destructive distillation produces is separated; Solid product after decompression destructive distillation is sent into constant-pressure and high-temperature gas retort and is carried out constant-pressure and high-temperature destructive distillation, and destructive distillation product carries out gas-oil separation, and reclaims solid product heat.The utility model technique have employed the technique that first normal pressure destructive distillation subtracts the destructive distillation of destructive distillation final high temperature again, can the energy of the different grade of Appropriate application to reduce energy consumption, overcome the problem that simple normal pressure destructive distillation green coke amount is large, the initial gross separation of oil sands bitumen is just achieved while separate bitumen and the grains of sand, facilitate the separation processing that product is follow-up, decompression distillation process effectively prevent the coking loss of pyrolysis, realizes the efficiency utilization of resource, energy consumption is low, pollution-free.
Accompanying drawing explanation
Fig. 1 is a kind of oil-sand refining process schematic flow sheet, forms with heat recoverer (5) comprising drying oven (2), atmospheric low-temperature gas retort (3), decompression gas retort (4), constant-pressure and high-temperature gas retort (17).
Fig. 2 is a kind of oil-sand refining process schematic flow sheet, forms with heat recoverer (5) comprising drying oven (2), normal pressure gas retort (3), decompression gas retort (4).
Embodiment
Below in conjunction with accompanying drawing, method provided by the utility model and device are further detailed.
The utility model is achieved by the following technical solution:
As shown in Figure 1, raw material crushing device (1), drying oven (2), atmospheric low-temperature gas retort (3), decompression gas retort (4), constant-pressure and high-temperature gas retort (17), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment is comprised; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with atmospheric low-temperature gas retort (3) by pipeline (10), and the gas-phase product of atmospheric low-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Atmospheric low-temperature gas retort connects decompression gas retort (4) by reduced pressure line (11), the gas-phase product that decompression destructive distillation produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with constant-pressure and high-temperature gas retort (17) by pipeline (16), and the gas-phase product of constant-pressure and high-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (18); The outlet of constant-pressure and high-temperature gas retort is connected with heat recoverer (5) through pipeline (12); Pipeline (13) is sand vent line.
Or constant-pressure and high-temperature pyrolysis stove (5) can be saved, decompression high temperature carbonization is realized in decompression gas retort, as shown in Figure 2, its device comprises raw material crushing device (1), drying oven (2), normal pressure gas retort (3), decompression gas retort (4), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with normal pressure gas retort (3) by pipeline (10), and the gas-phase product of normal pressure destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Normal pressure gas retort connects decompression high-temperature dry distillation furnace (4) by reduced pressure line (11), the gas-phase product that decompression high temperature carbonization produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with heat recoverer (5) by pipeline (12); Pipeline (13) is sand vent line.
The utility model technique proposes a kind of oil-sand refining plant and method, be described by preferred embodiments, person skilled obviously can not depart from the utility model content, spirit and scope technical process as herein described is changed or suitably change with combination, realize the utility model technology.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the art, they are deemed to be included in the utility model spirit, scope and content.
Claims (2)
1. the refining plant of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking; It is characterized in that comprising raw material crushing device (1), drying oven (2), atmospheric low-temperature gas retort (3), decompression gas retort (4), constant-pressure and high-temperature gas retort (17), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with atmospheric low-temperature gas retort (3) by pipeline (10), and the gas-phase product of atmospheric low-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Atmospheric low-temperature gas retort connects decompression gas retort (4) by reduced pressure line (11), the gas-phase product that decompression destructive distillation produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with constant-pressure and high-temperature gas retort (17) by pipeline (16), and the gas-phase product of constant-pressure and high-temperature destructive distillation connects dedusting and gas and oil separating plant through pipeline (18); The outlet of constant-pressure and high-temperature gas retort is connected with heat recoverer (5) through pipeline (12); Pipeline (13) is sand vent line.
2. the refining plant of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking; It is characterized in that comprising raw material crushing device (1), drying oven (2), normal pressure gas retort (3), decompression gas retort (4), heat recoverer (5) and relevant feedstocks pipeline and the pipeline being connected above equipment; Destroyer (1) is connected with drying oven (2) by pipeline (9); Drying oven outlet is connected with normal pressure gas retort (3) by pipeline (10), and the gas-phase product of normal pressure destructive distillation connects dedusting and gas and oil separating plant through pipeline (6); Normal pressure gas retort connects decompression high-temperature dry distillation furnace (4) by reduced pressure line (11), the gas-phase product that decompression high temperature carbonization produces connects dedusting and gas and oil separating plant through pipeline (7), and decompression gas retort is vacuumized by pipeline (8); The outlet of decompression gas retort is connected with heat recoverer (5) by pipeline (12); Pipeline (13) is sand vent line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520311722.9U CN204714750U (en) | 2015-05-14 | 2015-05-14 | The refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking |
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| CN201520311722.9U CN204714750U (en) | 2015-05-14 | 2015-05-14 | The refining plant of a kind of oil-sand Atmospheric vacuum destructive distillation compound thermal cracking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861999A (en) * | 2015-05-14 | 2015-08-26 | 天津大学 | Refining device and method for normal reduced-pressure destructive distillation composite thermal cracking of oil sand |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104861999A (en) * | 2015-05-14 | 2015-08-26 | 天津大学 | Refining device and method for normal reduced-pressure destructive distillation composite thermal cracking of oil sand |
| CN104861999B (en) * | 2015-05-14 | 2017-08-15 | 天津大学 | A kind of oil-sand Atmospheric vacuum destructive distillation is combined the refining plant and method of thermal cracking |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20151021 Effective date of abandoning: 20170815 |
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| AV01 | Patent right actively abandoned |