CN203904268U - Device for improving oil and gas yield and efficiently recycling oil and gas - Google Patents
Device for improving oil and gas yield and efficiently recycling oil and gas Download PDFInfo
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- CN203904268U CN203904268U CN201420312451.4U CN201420312451U CN203904268U CN 203904268 U CN203904268 U CN 203904268U CN 201420312451 U CN201420312451 U CN 201420312451U CN 203904268 U CN203904268 U CN 203904268U
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- 238000004064 recycling Methods 0.000 title abstract 2
- 238000000197 pyrolysis Methods 0.000 claims abstract description 60
- 238000011084 recovery Methods 0.000 claims abstract description 38
- 239000000571 coke Substances 0.000 claims abstract description 18
- 239000000428 dust Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 120
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 33
- 239000007788 liquid Substances 0.000 claims description 31
- 239000002904 solvent Substances 0.000 claims description 19
- 239000012716 precipitator Substances 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 14
- 230000008676 import Effects 0.000 claims description 10
- 241000772415 Neovison vison Species 0.000 claims description 9
- 239000004215 Carbon black (E152) Substances 0.000 claims description 7
- 239000000295 fuel oil Substances 0.000 claims description 7
- 229930195733 hydrocarbon Natural products 0.000 claims description 7
- 150000002430 hydrocarbons Chemical class 0.000 claims description 7
- 239000002893 slag Substances 0.000 claims description 6
- 235000012054 meals Nutrition 0.000 claims description 4
- 238000004939 coking Methods 0.000 claims description 3
- 238000010410 dusting Methods 0.000 claims description 3
- 239000011152 fibreglass Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 239000003034 coal gas Substances 0.000 abstract description 22
- 238000000034 method Methods 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 100
- 239000011269 tar Substances 0.000 description 16
- 239000003245 coal Substances 0.000 description 10
- 239000002994 raw material Substances 0.000 description 6
- 238000011017 operating method Methods 0.000 description 5
- 238000009833 condensation Methods 0.000 description 4
- 230000005494 condensation Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000018044 dehydration Effects 0.000 description 2
- 238000006297 dehydration reaction Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000013502 plastic waste Substances 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
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Abstract
The utility model discloses a device for improving oil and gas yield and efficiently recycling oil and gas. The device comprises a pyrolysis furnace, a high-temperature dust collector, an efficient filter, a high-temperature fan and an oil and gas recovery system which are connected with one another in sequence, wherein a coarse powder coke outlet of the high-temperature dust collector and a fine powder outlet of the efficient filter are respectively connected with a powder coke utilization system by virtue of a valve; high-temperature raw coke oven gas generated by the pyrolysis furnace is subjected to primary dust removal by virtue of the high-temperature dust collector, is subjected to deep dust removal by virtue of the efficient filter, and is conveyed to the oil and gas recovery system by virtue of the high-temperature fan to recycle oil and gas; powder coke obtained by filtering the high-temperature raw coke oven gas is conveyed to the powder coke utilization system; the high-temperature fan is positioned between a pyrolysis dust collecting device and the oil and gas recovery system, can be used for ensuring the negative pressure pyrolysis conditions and coal gas dust removal requirements, and can also be served as a power source of the oil and gas recovery system; under the negative pressure pyrolysis conditions, the device disclosed by the utility model is high in tar yield and good in quality, and also can meet an optimal process of oil and gas recovery.
Description
Technical field
The utility model relates to the device and method of coal pyrolysis and oil gas recovery, relates in particular to a kind of device that improves hydrocarbon yield and high efficiente callback oil gas.
Background technology
At present pyrolytic process, mainly taking the lumpy material of 20～80mm as raw material, adopts internal thermal upright stove pyrolytic process, and tar yield is low, and gas quality is not high.In Coal dressing conversion field, the fine coal that accounts for coal mining amount 70～80% is mainly used in burning, and energy conversion efficiency is low, causes the significant wastage of the energy.Pyrolysis product condensate recovery system mainly adopts washing process, not only flow process complexity, and waste water output is large, and energy consumption and cost are high, and in product, oil product yield is low.
Effective ways that improve tar yield are to reduce synthesis pressure.Negative pressure pyrolysis can reduce the diffusional resistance of volatile matter, effectively reduces the second pyrolysis of volatile matter simultaneously, improves tar yield.But existing negative pressure pyrolytic process, provides after the vacuum unit majority of negative pressure is positioned at pyrolysis product retrieving arrangement, and the efficient recovery of pyrolysis product is brought greater impact.On the one hand, provide the vacuum unit of negative pressure will have sufficiently high blast to ensure the negative pressure of pyrolysis installation, but the stability of operating procedure (as the temperature of system, pressure and flow) is difficult to maintain, larger vacuum tightness can cause tar products in Product Collection System to fail abundant condensation on the other hand, and taken out of with coal gas, the coal gas that condensation is simultaneously got off can again be sucked out under the promotion of negative pressure, cause the rate of oil gas product low, unstable due to operating procedure, the quality of pyrolysis coal gas and tar is difficult to ensure.
Utility model content
The utility model object is to overcome the defect of prior art, provide a kind of utilize negative pressure pyrolysis improve pyrolysis hydrocarbon yield and tar yield device.
For achieving the above object, the utility model is by the following technical solutions:
A kind of device that improves hydrocarbon yield and high efficiente callback oil gas, comprise the pyrolysis oven, hot precipitator, high efficiency filter, high-temperature blower and the gas recovery system for oil that connect successively, the burnt outlet of meal of described hot precipitator and the burnt outlet of fine powder of high efficiency filter utilize system to be connected by valve and coke breeze respectively, the high temperature raw gas that described pyrolysis oven produces is sent into gas recovery system for oil through high-temperature blower and is reclaimed oil gas after hot precipitator rough dusting and the dedusting of the high efficiency filter degree of depth, and the coke breeze that in high temperature raw gas, filtration obtains is sent into coke breeze and utilized system.
Described gas recovery system for oil comprises oil scrubber, gas-liquid separator and liquid-solid separator; Oil scrubber opening for feed is connected in the clean gas outlet of high-temperature blower, oil scrubber top, middle part and bottom are respectively equipped with non-condensable gas outlet, middle matter oil export and mink cell focus outlet, the outlet of oil scrubber non-condensable gas is connected in the opening for feed of gas-liquid separator, gas-liquid separator top and bottom are respectively equipped with pyrolysis gas outlet and lightweight oil outlet, the outlet of gas-liquid separator lightweight oil is communicated with oil scrubber opening for feed, the outlet of oil scrubber mink cell focus is communicated with liquid-solid separator opening for feed, and liquid-solid separator upper and lower is respectively equipped with heavy oil outlet and granulated slag outlet.
Described gas recovery system for oil comprises condenser, gas-liquid separator, rectifying tower and interchanger; Condenser opening for feed is connected in the clean gas outlet of high-temperature blower, condenser overhead and bottom are respectively equipped with low-temp methanol import and solvent oil outlet, the outlet of condenser non-condensable gas is connected in the inlet mouth of gas-liquid separator, on gas-liquid separator, be respectively equipped with light oil outlet and pyrolysis gas outlet, rectifying tower opening for feed is connected in the solvent oil outlet of condenser, after the circulating solvent outlet of rectifying tower connects interchanger, is connected with the low-temp methanol import of condenser.
Described pyrolysis oven is fluidized-bed, air flow bed, carries bed secretly or carry bed.
Described hot precipitator and high efficiency filter bottom are equipped with the filter plate that prevents reentrainment of dust; Oil scrubber and rectifying tower internals are pottery or metal fibrous or sheet High Efficient Standard Packing.
Between described high-temperature blower and gas recovery system for oil, reducing valve is installed.
The upper and lower part of described oil scrubber and the bottom of rectifying tower are equipped with the molding grating or the glass-fiber reinforced plastic grille that prevent coking and obstruction.
The utility model between pyrolysis cleaning apparatus and gas recovery system for oil, had both ensured negative pressure pyrolytical condition and coal gas dust removal needs by high-temperature blower, again as the propulsion source of gas recovery system for oil, under negative pressure pyrolytical condition, tar yield is high, and quality better meets the optimised process that oil gas reclaims.Another advantage, when high-temperature blower is to maintain the stability of operating procedure, can flexible processing parameter; Simultaneously, under negative pressure, the condensation point of the coagulated component in coal gas raises, as long as ensure under the uncondensable prerequisite such as tar and moisture in coal gas, coke breeze in coal gas efficiently can be removed through fly-ash separator, be met the quality parameter requirement of blower fan to unstripped gas, the coal gas after dedusting enters gas recovery system for oil through high-temperature blower, reduce to greatest extent the damage to blower fan, guarantee the performance and used life of blower fan.
Brief description of the drawings
Fig. 1 is process flow diagram of the present utility model;
Fig. 2 is the schematic flow sheet of gas recovery system for oil scheme 1 in Fig. 1;
Fig. 3 is the schematic flow sheet of gas recovery system for oil scheme 2 in Fig. 1;
In figure: 1-pyrolysis oven; The outlet of 2-raw gas; 3-hot precipitator; The elementary dedusting gas outlet of 4-; 5-high efficiency filter; The outlet of 6-degree of depth dedusting gas; The burnt outlet of 7-meal; The burnt outlet of 8-fine powder; 9-high-temperature blower; 10-clean gas outlet; 11-gas recovery system for oil; 12-coke breeze utilizes system; V1, V2, V3, V4-dynamic valve; V5-reducing valve; 13-oil scrubber; The outlet of 14-non-condensable gas; Matter oil export in 15-; 16-gas-liquid separator; 17-pyrolysis gas outlet; The outlet of 18-lightweight oil; 19-circulation light oil; The outlet of 20-mink cell focus; 21-liquid-solid separator; The outlet of 22-heavy oil; The outlet of 23-granulated slag; The import of 24-process water; 25-condenser; The outlet of 27-solvent oil; The import of 29-low-temp methanol; 30-rectifying tower; The outlet of 31-oil product; The outlet of 32-circulating solvent; 33-interchanger; The outlet of 35-light oil; 36-pyrolysis gas outlet; 37-refrigeration cycle solvent outlet.
Embodiment
Below in conjunction with drawings and the specific embodiments, the utility model will be further described:
As shown in Figure 1, pyrolysis oil gas recovering device of the present utility model, comprises pyrolysis oven 1, hot precipitator 3, high efficiency filter 5, high-temperature blower 9 and gas recovery system for oil 11, the high temperature raw gas outlet 2 at pyrolysis oven 1 top is connected in the raw gas inlet mouth of hot precipitator 3, the top of hot precipitator 3 and bottom are respectively equipped with elementary dedusting gas outlet 4 and the burnt outlet 7 of meal, elementary dedusting gas outlet 4 is connected in the inlet mouth of high efficiency filter 5, the top of high efficiency filter 5 and bottom are respectively equipped with the outlet 6 of degree of depth dedusting gas and the burnt outlet 8 of fine powder, degree of depth dedusting gas outlet 6 is connected in the inlet mouth of high-temperature blower 9, the purified gas air outlet 10 of high-temperature blower is connected in gas recovery system for oil 11 by reducing valve V5, the burnt outlet 7 of meal and the burnt outlet 8 of fine powder are respectively by valve V1, V2 and V3, V4 is connected in coke breeze and utilizes system 12.
As shown in Figure 2, gas recovery system for oil 11 comprises oil scrubber 13, gas-liquid separator 16 and liquid-solid separator 21, the underfeed mouth of oil scrubber 13 is connected in the clean gas outlet 10 of high-temperature blower 9, the top of oil scrubber 13 and bottom are respectively arranged with non-condensable gas outlet 14 and mink cell focus outlet 20, the middle part of oil scrubber 13 is provided with middle matter oil export 15, non-condensable gas outlet 14 is connected in the opening for feed of gas-liquid separator 16, the top of gas-liquid separator 16 and bottom are respectively equipped with pyrolysis gas outlet 17 and light oil outlet 18, the top of gas-liquid separator 16 is connected with process water import, light oil exports 18 parts and is connected in the opening for feed on oil scrubber top, mink cell focus outlet 20 is connected in the opening for feed of liquid-solid separator 21, the upper and lower of liquid-solid separator 21 is respectively equipped with heavy oil outlet 22 and granulated slag outlet 23.
Raising hydrocarbon yield of the present utility model and high efficiente callback oil gas technique, be from pyrolysis oven high temperature raw gas out after hot precipitator rough dusting and the dedusting of the high efficiency filter degree of depth, the dedusting gas obtaining enters oil scrubber through high-temperature blower after reducing valve decompression, and the non-condensable gas that coal gas and light oil form enters gas-liquid separator from oil scrubber top; Light oil and gas is through gas-liquid separation, obtain respectively pyrolysis gas and light oil from top and bottom, isolated pyrolysis gas enters the purge segment such as follow-up traditional coal gas degree of depth detar, dehydration, desulfurization, an isolated light oil part is discharged as product, and a part of lightweight oil recirculation enters in oil scrubber as circulation light oil 19; The middle matter oil that matter oil export 15 is drawn from oil scrubber side line is as product; Mink cell focus and granulated slag from oil scrubber bottom out, enter liquid-solid separator, and from the isolated heavy oil in liquid-solid separator top, as product, bottom sub-argument goes out granulated slag.Pyrolysis oven operational condition: raw material particle size 5～210 μ m; Pressure is at-1600～-100pa (gauge pressure); 550 DEG C～800 DEG C of pyrolysis temperatures; The residence time 0.05～60s.6～50 of oil scrubber theoretical trays, tower top temperature is 36～95 DEG C, column bottom temperature is 150～331 DEG C.Gas-liquid separator gas outlet temperature is 26～40 DEG C.
The high temperature coke breeze of separating in pyrolysis oven and raw gas can directly be sent into burning in circulating fluid bed boiler, greatly utilizes waste heat and the chemical combustion heat of high temperature coke breeze, produces steam, heat supply generating.
Pyrolysis oven can be fluidized-bed, air flow bed, carry bed secretly or carry the one in bed.There is pyrolysis scale large, the advantage that pyrolysis efficiency is high.For making tar lighting as far as possible, can be to feed coal, the fuel such as resinous shale carry out pre-treatment.Change pyrolysis atmosphere can add hydrogenous material, as add the copyrolysis such as biomass, plastic waste, taking synthetic gas, coke-oven gas, methane, hydrogen etc. for activate gas.
Further, the utility model provides another kind of gas recovery system for oil, and concrete technology is as follows:
As shown in Figure 3, gas recovery system for oil 11 comprises condenser 25, gas-liquid separator 16, rectifying tower 30 and interchanger 33.The opening for feed of condenser 25 is connected in the clean gas outlet 10 of degree of depth dedusting, the top of condenser 25 and bottom are respectively equipped with low-temp methanol import 29 and solvent oil outlet 27, the top of condenser 25 is provided with non-condensable gas and exports the inlet mouth that is connected in gas-liquid separator, the top of gas-liquid separator 16 and bottom are respectively equipped with process water import 24 and light oil outlet 35, the top of gas-liquid separator 16 is provided with pyrolysis gas outlet 36, the opening for feed of rectifying tower 30 is connected in solvent oil outlet 27, the upper and lower of rectifying tower 30 is respectively equipped with circulating solvent outlet 32 and oil product outlet 31, circulating solvent outlet 32 is connected in the opening for feed of interchanger 33, the refrigeration cycle solvent outlet 37 of interchanger 33 is connected with the low-temp methanol import 29 of condenser 25 after mixing with low-temp methanol.
Gas recovery system for oil plant operator skill, is to enter condenser from the degree of depth dedusting gas of high-temperature blower outlet, and in condenser, after gas and the heat exchange of low-temp methanol counter current contact, after cooling, from condenser top out, solvent oil from condenser out for non-condensable gas.Enter gas-liquid separator from condenser non-condensable gas out, after further cooling separates, pyrolysis gas out enters the purge segment such as follow-up traditional coal gas degree of depth detar, dehydration, desulfurization from gas-liquid separator top, light oil from gas-liquid separator bottom out as product.Enter rectifying tower from condenser solvent oil out, isolate oil product from bottom, circulating solvent from rectifier out, is mixed into condenser with low-temp methanol raw material after heat exchange, recycles.
Wherein, 40～100 DEG C of condensator outlet non-condensable gas temperature, low-temp methanol-50～-21 DEG C, circulating solvent temperature is 40～60 DEG C, pyrolysis gas temperature is 26～40 DEG C.The bottom of hot precipitator of the present utility model and high efficiency filter is equipped with filter plate, to prevent the reentrainment of dust under negative pressure.Wherein the internals of oil scrubber and rectifying tower is pottery or metal fibrous or sheet High Efficient Standard Packing; The upper and lower part of oil scrubber and the bottom of rectifying tower are equipped with the molding grating or the glass-fiber reinforced plastic grille that prevent coking and obstruction.
Being of the utility model innovation: high-temperature blower, between pyrolysis cleaning apparatus and device for recovering oil and gas, had both ensured negative pressure pyrolytical condition and coal gas dust removal needs, again as the propulsion source of gas recovery system for oil, meets the optimised process that oil gas reclaims.Another advantage of high-temperature blower, when being to maintain the stability of operating procedure, can flexible processing parameter.Under negative pressure pyrolytical condition, tar yield is high, quality better.Under negative pressure, the condensation point of the coagulated component in coal gas raises, and, under the uncondensable prerequisite such as tar and moisture in coal gas, the coke breeze in coal gas efficiently can be removed through fly-ash separator as long as ensure.Coal gas after dedusting enters gas recovery system for oil through entering high-temperature blower, to meet the quality parameter requirement of blower fan to unstripped gas, reduces to greatest extent the damage to blower fan, guarantees the performance and used life of blower fan.Because having certain resistance, dust removal installation falls, for ensureing pressure-fired or the atmospheric operation of gas recovery system for oil, on fan outlet pipeline, reducing valve is installed, is controlled fan outlet pressure between 1～1.5 normal atmosphere, ensure that gas recovery system for oil operates under normal pressure or pressure-fired.
In embodiment, table 1 is listed in the technical analysis of coal sample used and ultimate analysis.
Table 1
The utility model is the impact on pyrolysis product according to raw material type, particle diameter and operating procedure, raw material particle size is controlled at 5～210 μ m, the pyrolysis temperature of raw material in pyrolysis oven is controlled at 550～800 DEG C, pressure is at-1600～-100pa (gauge pressure), the pyrolysis residence time 0.05～10s.
As shown in Figure 1: red building woods coal is through fine coal broken, that sieve out 5～210 μ m, in pyrolysis oven after 550～800 DEG C of pyrolysis, raw gas enters hot precipitator and metallic filter successively, and raw gas is carried out, after preliminary and degree of depth dedusting, removing most dust.Degree of depth dedusting coal gas after dedusting enters gas recovery system for oil through high-temperature blower.
Below in conjunction with embodiment, concrete technology of the present utility model is described:
Embodiment 1:
The fine coal of 5～210 μ m in pyrolysis oven in 650 DEG C,-1000pa (gauge pressure), residence time 1s, completes after pyrolysis, 600～650 DEG C of raw gas temperatures out from pyrolysis oven, dedusting coal gas after hot precipitator and metallic filter, temperature is controlled at more than 500 DEG C, the coal gas after dedusting by high-temperature blower after reducing valve decompression, the clean gas outlet pressure 0.03MPa (gauge pressure) obtaining, 450 DEG C of temperature, enter gas recovery system for oil.
As shown in Figure 2, first to enter theoretical plate number from the 19th theoretical stage be 46 oil scrubber to purified gas, tower top temperature and column bottom temperature are respectively 90 DEG C and 290 DEG C, through oil scrubber refrigerated separation, isolate mink cell focus and non-condensable gas and light oil, matter oil from the 10th block of theoretical tray of oil scrubber drawn, middle matter oil accounts for 26% of tar yield.Non-condensable gas enters gas-liquid separator and carries out separating of light oil and gas, after gas-liquid separation, and 21 DEG C of process water temperature, the temperature of gas exit is 29 DEG C, light oil accounts for 43% of tar yield.Oil scrubber mink cell focus out enters liquid-solid separator, and the residue in heavy oil is separated, and heavy oil accounts for 33% of tar yield.The yield of pyrolysis product is in table 2.
Embodiment 2
The oil-gas recovery method that the utility model provides, carries out pyrolysis and raw gas dedusting according to the flow process identical with embodiment 1 to the coal of same materials.As shown in Figure 3, different is gas recovery system for oil difference.Wherein low-temp methanol temperature-31 DEG C, 55 DEG C of condensator outlet non-condensable gas temperature, circulating solvent temperature 45 C, pyrolysis gas temperature is 36 DEG C.The yield of pyrolysis product is in table 2.
Table 2
As can be seen from Table 2, the utility model can significantly improve the yield of tar, the internal thermal upright stove that tar is traditional up to 11%, tar yield only 4～6%.And the utility model coal gas yield also increases, and in coal gas, the content of solid impurity is low, and quality is high.
The device of the disclosed raising hydrocarbon yield of the utility model and high efficiente callback oil gas, those skilled in the art can be by using for reference content herein, and the links such as appropriate change processing parameter, structure design realize.System of the present utility model is described by embodiment, person skilled obviously can change system as herein described in the utility model content, spirit and scope or suitably change and combination not departing from, and realizes the utility model technology.Special needs to be pointed out is, all similar replacements and change apparent to those skilled in the artly, they are deemed to be included in the utility model spirit, scope and content.
Claims (7)
1. one kind is improved the device of hydrocarbon yield and high efficiente callback oil gas, it is characterized in that: comprise the pyrolysis oven (1) connecting successively, hot precipitator (3), high efficiency filter (5), high-temperature blower (9) and gas recovery system for oil (11), the burnt outlet of meal (7) of described hot precipitator (3) and the burnt outlet of fine powder (8) of high efficiency filter (5) utilize system (12) to be connected by valve and coke breeze respectively, the high temperature raw gas that described pyrolysis oven (1) produces is sent into gas recovery system for oil (11) through high-temperature blower (9) and is reclaimed oil gas after hot precipitator (3) rough dusting and high efficiency filter (5) degree of depth dedusting, the coke breeze that in high temperature raw gas, filtration obtains is sent into coke breeze and is utilized system (12).
2. device according to claim 1, is characterized in that: described gas recovery system for oil (11) comprises oil scrubber (13), gas-liquid separator (16) and liquid-solid separator (21), oil scrubber (13) opening for feed is connected in the clean gas outlet (10) of high-temperature blower (9), oil scrubber (13) top, middle part and bottom are respectively equipped with non-condensable gas outlet (14), middle matter oil export (15) and mink cell focus outlet (20), oil scrubber (13) non-condensable gas outlet (14) is connected in the opening for feed of gas-liquid separator (16), gas-liquid separator (16) top and bottom are respectively equipped with pyrolysis gas outlet (17) and lightweight oil outlet (18), gas-liquid separator (16) lightweight oil outlet (18) is communicated with oil scrubber (13) opening for feed, oil scrubber (13) mink cell focus outlet (20) is communicated with liquid-solid separator (21) opening for feed, liquid-solid separator (21) upper and lower is respectively equipped with heavy oil outlet (22) and granulated slag outlet (23).
3. device according to claim 1, is characterized in that: described gas recovery system for oil (11) comprises condenser (25), gas-liquid separator (16), rectifying tower (30) and interchanger (33), condenser (25) opening for feed is connected in the clean gas outlet (10) of high-temperature blower (9), condenser (25) top and bottom are respectively equipped with low-temp methanol import (29) and solvent oil outlet (27), the outlet of condenser (25) non-condensable gas is connected in the inlet mouth of gas-liquid separator (16), on gas-liquid separator (16), be respectively equipped with light oil outlet (35) and pyrolysis gas outlet (36), rectifying tower (30) opening for feed is connected in the solvent oil outlet (27) of condenser (25), after connecting interchanger (33), the circulating solvent outlet (32) of rectifying tower (30) is connected with the low-temp methanol import of condenser (25).
4. according to the device described in claim 2 or 3, it is characterized in that: described pyrolysis oven (1) is fluidized-bed, air flow bed, carries bed secretly or carry bed.
5. install according to claim 4, it is characterized in that: described hot precipitator (3) and high efficiency filter (5) bottom are equipped with the filter plate that prevents reentrainment of dust; Oil scrubber (13) and rectifying tower (30) internals are pottery or metal fibrous or sheet High Efficient Standard Packing.
6. install according to claim 4, it is characterized in that: between described high-temperature blower (9) and gas recovery system for oil (11), reducing valve is installed.
7. device according to claim 4, is characterized in that: the bottom of the upper and lower part of described oil scrubber (13) and rectifying tower (30) is equipped with the molding grating or the glass-fiber reinforced plastic grille that prevent coking and obstruction.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046370A (en) * | 2014-06-12 | 2014-09-17 | 陕西煤业化工技术研究院有限责任公司 | Device and process for improving productivity of oil and gas and efficiently recovering oil and gas |
| CN104673403A (en) * | 2015-01-30 | 2015-06-03 | 成都易态科技有限公司 | Furnace gas purifying system of coal conversion furnace |
| CN104762109A (en) * | 2015-04-10 | 2015-07-08 | 陕西煤业化工集团神木天元化工有限公司 | Combined process and device for dust removal for pyrolysis coal gas and delayed coking for heavy oil |
| CN104804777A (en) * | 2015-04-10 | 2015-07-29 | 陕西煤业化工集团神木天元化工有限公司 | Dust removal device and method for oil gas during pulverized coal pyrolysis/retorting |
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2014
- 2014-06-12 CN CN201420312451.4U patent/CN203904268U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046370A (en) * | 2014-06-12 | 2014-09-17 | 陕西煤业化工技术研究院有限责任公司 | Device and process for improving productivity of oil and gas and efficiently recovering oil and gas |
| CN104673403A (en) * | 2015-01-30 | 2015-06-03 | 成都易态科技有限公司 | Furnace gas purifying system of coal conversion furnace |
| CN104762109A (en) * | 2015-04-10 | 2015-07-08 | 陕西煤业化工集团神木天元化工有限公司 | Combined process and device for dust removal for pyrolysis coal gas and delayed coking for heavy oil |
| CN104804777A (en) * | 2015-04-10 | 2015-07-29 | 陕西煤业化工集团神木天元化工有限公司 | Dust removal device and method for oil gas during pulverized coal pyrolysis/retorting |
| CN104804777B (en) * | 2015-04-10 | 2018-08-07 | 陕西煤业化工集团神木天元化工有限公司 | A kind of dust-extraction unit and dust removal method of pulverized coal pyrolysis/destructive distillation oil gas |
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