CN101280200A - Dry distillation system for directly producing gasoline and diesel oil from oil shale(coal), process thereof - Google Patents
Dry distillation system for directly producing gasoline and diesel oil from oil shale(coal), process thereof Download PDFInfo
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- CN101280200A CN101280200A CNA2008100285104A CN200810028510A CN101280200A CN 101280200 A CN101280200 A CN 101280200A CN A2008100285104 A CNA2008100285104 A CN A2008100285104A CN 200810028510 A CN200810028510 A CN 200810028510A CN 101280200 A CN101280200 A CN 101280200A
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Abstract
The invention provides an oil shale (coal) direct-producing gasoline and diesel dry distillation system and the process; the dry distillation system adopted by the system is a circulating fluidized bed retort provided with a combustor, an internal cyclone separator and an external cyclone separator; a recovery system is composed of a heat-pipe exchanger and a fractionating column; the process includes that the oil shale with the granularity ranging from 0.1-0.6mm is put into the retort; the hot gas generated by the oxygen-enriched combustion in the combustor is fed into the fluidized bed of the retort through a distribution plate; the oil shale is enabled to be fluidized and combusted partially and increased in temperature; the low-temperature carbonization is processed towards the oil shale under the temperature of 465 DEG C-480 DEG C; the generated distillation gas is separated and purified by the internal and the external cyclone separators; the distillation gas is processed with heat exchange of the heat-pipe exchanger, and then is conveyed into the fractionating column so that the compositions of gasoline, diesel and heavy-oil are obtained after fractionation. The dry distillation system and the process can directly produce gasoline and diesel through the rapid distillation towards the oil-containing solid fuels such as oil shale, coal and oil sand; the daily treatment capability can reach 100 tons to 5000 tons; the recovery system of the products is simplified; the pollution of waster water is avoided and the environmental protection requirement is fulfilled.
Description
Technical field
The present invention relates to dry rectificating oil shale (coal) and fractionation and produce the technology of vapour, diesel oil.
Background technology
The technology of present domestic resinous shale, coal oil refining all is based on Fushun formula distillation process, can not directly steam, diesel oil, generally can only produce the shale oil than heavy, and recovery system adopts water-washing method, and water loss is big, and wastewater flow rate is big, and is seriously polluted.And external distillation process complexity is not directly steamed, the technology of diesel oil yet.
Summary of the invention
The purpose of this invention is to provide a kind of have greater efficiency and compliance with environmental protection requirements, can be used for the distillation system of oil-containing solids fuel direct production gasoline such as resinous shale, coal, oil-sand and diesel oil and utilize this system that oil-containing solids fuel such as resinous shale, coal, oil-sand are carried out the processing method that gasoline and diesel oil are produced in destructive distillation and straight-forward fractional distillation.
For achieving the above object, the present invention proposes following technical scheme: designed resinous shale (coal) directly steams, the diesel oil distillation system comprises:
(1) circulating fluidized bed gas retort, the top of this gas retort is retort section, the bottom is a fluid bed section, the bottom of described fluid bed section is provided with burner from bottom to top, preheating chamber and gas distribution grid, fluid bed section sidewall on gas distribution grid top is provided with screw feeder and semicoke upflow tube, be provided with built-in cyclonic separator on described retort section top, the bottom of this built-in cyclonic separator has under the solid material reflux line guides to fluid bed section, upper outside face at gas retort is provided with an external cyclone water-separator, the bottom of this external cyclone water-separator has draws under the ash return pipe road in the fluid bed section that is passed into gas retort, is input to external cyclone water-separator after the isolated destructive distillation gas of described built-in cyclonic separator is drawn by the top of gas retort;
(2) recovery system that is made of hot tube heat exchanger and separation column is input to separation column by the isolated dry distillation gas of external cyclone water-separator and fractionates out gasoline, diesel oil and heavy oil component after the hot tube heat exchanger heat exchange.
Be arranged at the interior built-in cyclonic separator of retort section of gas retort, can make the destructive distillation gas that in retort section, produces after dedusting, just derive outside the stove, but the circulation of accelerating solid furnace charge in stove simultaneously, impel the stable and balance of temperature trend in the stove, for strengthening the dedusting separating effect, described built-in cyclonic separator can adopt the multistage combined built-in cyclonic separator that is formed by a plurality of cyclonic separators serial connection, and wherein the bottom of each cyclonic separator all has under the solid material reflux line and guides to fluid bed section.
Be used for raw material such as pyrogenous resinous shale and send in the stove by described screw feeder, the screw-blade in the described screw feeder is provided with and disconnects section and do not play a reversed role to guarantee gas, and this screw feeder improves wear resistance by wear-resistant coatings such as titanizing tungsten.
The resinous shale (coal) of using said system directly steams, diesel oil distillation process method is as follows:
(1) with the burner combustion of combustion gas and combustion-supporting gas input circulating fluidized bed gas retort, the hot gas that burning is produced enters fluid bed section by gas distribution grid, be that the resinous shale of 0.1～6.0mm is sent in the gas retort by described screw feeder with granularity simultaneously, make the burning of the concurrent first portion of resinous shale fluidisation in fluid bed section and be rapidly heated, rise to retort section with hot gas then, resinous shale is carried out low-temperature pyrolysis, pyrolysis temperature is controlled at 465～480 ℃, pyrogenous resinous shale of process and destructive distillation gas rise to retort section top and carry out gas solid separation through built-in cyclonic separator, isolated destructive distillation gas is derived from furnace roof, be back to fluid bed section through pyrogenous resinous shale solid materials by reflux line, the destructive distillation gas of being derived by furnace roof is isolated wherein dust by external cyclone water-separator again, export clean dry distillation gas, the dust that is separated passes back into the fluid bed section of gas retort by the ash return pipe road, and the semicoke that produces after the oil shale distillation discharges out of the furnace by set semicoke upflow tube in stove;
(2) after the hot tube heat exchanger heat exchange, directly import separation column from the clean dry distillation gas of above-mentioned external cyclone water-separator output and carry out fractionation, obtain gasoline, diesel oil and heavy oil component respectively.
The designed resinous shale (coal) of the present invention directly steams, diesel oil distillation system and technology, have burner owing to adopt, the circulating fluidized bed gas retort of built-in cyclonic separator and external cyclone water-separator, the hot gas that burner produces enters and makes the resinous shale fluidisation in the stove, and there are part hot gas and resinous shale to burn, form the heat supply simultaneously of gaseous heat-carrier and solid thermal carriers, resinous shale was rapidly heated in 0.1～10 minute, carry out low-temperature pyrolysis at 465 ℃～480 ℃, effect by the active inorganics of resinous shale itself, make destructive distillation gas produce katalysis and form outside 66 ℃～340 ℃ lightweight fraction conductance comes out of the stove, thereby can directly deliver to separation column behind hot tube heat exchanger fractionates out light-weight vapour, diesel component.
The built-up type design of the technical maturity of simple uniqueness that the present invention adopts, it is wide to have suitability, and adjustable extent is big, technical high characteristics, easy to utilize, it is applicable to different starting materials, and day output can be from 100 tons to 5000 tons, and the vapour that is produced, diesel oil can directly be used, semicoke and coal gas can with the supporting use in power station, as the raw material of generating cheaply of proposing oil back generating earlier, and there is not the pollution of waste water, compliance with environmental protection requirements.
Description of drawings
Fig. 1 is the structural representation and the schema of total system of the present invention;
Fig. 2 is the structural representation of screw feeder.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail:
As shown in Figure 1, resinous shale of the present invention (coal) directly steams, the diesel oil distillation system comprises three parts:
(1) feed system, form by raw shale oil material-storage jar 1 and screw feeder 2, screw feeder 2 (as shown in Figure 2) includes motor 21, screw-blade 22, opening for feed 23 and discharge port 24, and opening for feed 23 is connected with raw shale oil material-storage jar 1, and discharge port 24 is connected with the opening for feed of gas retort.Wherein, screw-blade 22 has the section of disconnection 25 and 26, and its effect is that gas is not played a reversed role, and this screw feeder adopts titanizing tungsten wear-resistant coating not improve wear resistance.
(2) distillation system, adopt circulating fluidized bed gas retort 3, the top of this gas retort is retort section 31, the bottom is a fluid bed section 32, the bottom of fluid bed section 32 is provided with burner 33 from bottom to top, preheating chamber 34 and gas distribution grid 35, fluid bed section sidewall on gas distribution grid top has opening for feed to be connected with screw feeder 2, another sidewall is provided with semicoke upflow tube 36, in retort section 31, be provided with the built-in multiple cyclone of two-stage that forms by cyclonic separator 4 and cyclonic separator 5 serial connections, the bottom of cyclonic separator 4 has solid material reflux line to guide to fluid bed section 41 times, be provided with baffle plate 42 admittedly expect the bottom of reflux line 41, the bottom of cyclonic separator 5 also has solid material reflux line to guide to fluid bed section 51 times, upper outside face at gas retort is provided with external cyclone water-separator 6, the bottom of this external cyclone water-separator has the ash return pipe road to draw for 61 times in the fluid bed section that is passed into gas retort, the isolated destructive distillation gas of built-in multiple cyclone is drawn by the top of gas retort, is input to the inlet mouth of external cyclone water-separator 6;
(3) recovery system comprises hot tube heat exchanger 7 and separation column 8, and external cyclone water-separator 6 isolated dry distillation gases are input to hot tube heat exchanger 7, and the dry distillation gas after hot tube heat exchanger 7 heat exchange is sent to separation column 8 and carries out fractionation.The gasoline fraction that fractionates out through separation column 8 obtains gasoline products through 9 cooling liquids of heat exchange water cooler, and the diesel oil distillate that fractionates out through separation column 8 obtains diesel product through 10 cooling liquids of heat exchange water cooler, then can derive heavy oil by the bottom of separation column 8.
Resinous shale (coal) with said system directly steams, diesel oil distillation process process is as follows:
The resinous shale that with granularity is 0.1～6.0mm is sent in the gas retort by described screw feeder 2, and with coal gas (combustion gas), oxygen and air (combustion-supporting gas) mix 33 burnings of input burner by a certain percentage, the hot gas that produces enters gas retort by gas distribution grid 35 again through preheating chamber 34, make the burning of the concurrent first portion of resinous shale fluidisation in fluid bed section and be rapidly heated to 465～480 ℃, resinous shale rises to retort section with hot gas and produces destructive distillation gas, the resinous shale that continue to rise and destructive distillation gas on retort section top after built-in multiple cyclone separates destructive distillation gas derive by furnace roof, resinous shale after the destructive distillation expects then to be back to fluid bed section by the reflux line 41 and 51 of cyclonic separator admittedly, and the semicoke that produces after the destructive distillation is derived stoves by semicoke upflow tube 36 and sent the power station utilization outside.Remove dust by the destructive distillation gas introducing external cyclone water-separator 6 that furnace roof is derived, dust returns again in the fluid bed section of introducing gas retort by the ash return pipe road 61 of the bottom of this external cyclone water-separator.After hot tube heat exchanger 7 heat exchange, directly import separation column 8 by external cyclone water-separator 6 isolated clean dry distillation gases and carry out fractionation, obtain gasoline, diesel oil and heavy oil component respectively, gasoline wherein and diesel oil distillate are respectively through obtaining gasoline and diesel oil behind heat exchange water cooler 9 and 10 condensation liquefactions.Warm air after hot tube heat exchanger 7 heat exchange can be used as the thermal source that the resinous shale raw material of gas retort is sent in preheating.
Claims (5)
1, a kind of resinous shale (coal) directly steam, the diesel oil distillation system, it is characterized in that comprising:
(1) circulating fluidized bed gas retort (3), the top of this gas retort is retort section (31), the bottom is fluid bed section (32), the bottom of described fluid bed section (32) is provided with burner (33) from bottom to top, preheating chamber (34) and gas distribution grid (35), fluid bed section sidewall on gas distribution grid (35) top is provided with screw feeder (2) and semicoke upflow tube (36), be provided with built-in cyclonic separator on described retort section (31) top, the bottom of this built-in cyclonic separator has guides to fluid bed section (32) under the solid material reflux line, upper outside face at gas retort is provided with external cyclone water-separator (6), the bottom of this external cyclone water-separator (6) has to draw under the ash return pipe road and is passed in the fluid bed section (32), is input to external cyclone water-separator (6) after the isolated destructive distillation gas of described built-in cyclonic separator is drawn by the top of gas retort (3);
(2) recovery system that is made of hot tube heat exchanger (7) and separation column (8) is input to separation column (8) by the isolated dry distillation gas of external cyclone water-separator (6) and fractionates out gasoline, diesel oil and heavy oil component after hot tube heat exchanger (7) heat exchange.
2, system according to claim 1, it is characterized in that the multistage combined cyclonic separator of described built-in cyclonic separator for being formed by a plurality of cyclonic separator serial connections, the bottom of each cyclonic separator all has guides to fluid bed section (32) under the solid material reflux line.
3, system according to claim 1 is characterized in that the screw-blade in the described screw feeder (2) is provided with the disconnection section.
4, application rights requires that the resinous shale (coal) of 1 described system directly steams, the diesel oil distillation process, it is characterized in that:
(1) burner (33) with combustion gas and combustion-supporting gas input circulating fluidized bed gas retort (3) burns, the hot gas that burning is produced enters fluid-bed chamber by gas distribution grid (35), be that the resinous shale of 0.1～6.0mm is sent in the gas retort by described screw feeder (2) with granularity simultaneously, make the burning of the concurrent first portion of resinous shale fluidisation in fluid bed section (32) and be rapidly heated, rise to retort section (31) with hot gas then and produce low-temperature pyrolysis, pyrolysis temperature is controlled at 465～480 ℃, the resinous shale and the destructive distillation gas that continue to rise carry out gas solid separation on retort section top through built-in cyclonic separator, isolated destructive distillation gas is derived from furnace roof, resinous shale solid materials after the destructive distillation then is back to fluid bed section (32) by reflux line, the destructive distillation gas of being derived by furnace roof is isolated wherein dust by external cyclone water-separator (6) again, export clean dry distillation gas, the dust that is separated passes back into the fluid bed section (32) of gas retort (3) by the ash return pipe road, and the semicoke that produces after the oil shale distillation discharges out of the furnace by set semicoke upflow tube (36) in stove;
(2) after hot tube heat exchanger (7) heat exchange, directly import separation column (8) from the clean dry distillation gas of above-mentioned external cyclone water-separator (6) output and carry out fractionation, obtain gasoline, diesel oil and heavy oil component respectively.
5, resinous shale according to claim 4 (coal) directly steam, the diesel oil distillation process, it is characterized in that: resinous shale and destructive distillation gas carry out gas solid separation on the retort section top of described circulating fluidized bed gas retort through the built-in multiple cyclone of two-stage.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100285104A CN101280200A (en) | 2008-06-04 | 2008-06-04 | Dry distillation system for directly producing gasoline and diesel oil from oil shale(coal), process thereof |
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| CNA2008100285104A CN101280200A (en) | 2008-06-04 | 2008-06-04 | Dry distillation system for directly producing gasoline and diesel oil from oil shale(coal), process thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101948698A (en) * | 2010-10-14 | 2011-01-19 | 天津大学 | Novel energy-saving device for condensing and recovering oil shale in retorting oil gas and method |
| CN102304375A (en) * | 2011-08-18 | 2012-01-04 | 曹祖斌 | Oil sand/shale fluidized retorting method and system used thereby |
| CN102433143A (en) * | 2011-10-26 | 2012-05-02 | 金先奎 | Propulsion type vacuum direct heating oil shale dry distillation process and device thereof |
| CN102464990A (en) * | 2010-11-05 | 2012-05-23 | 唐山市嘉恒实业有限公司 | Method and equipment for extracting petroleum from oily sludge and oil shale |
| CN101440311B (en) * | 2008-12-24 | 2012-10-17 | 张建超 | Biomass gas purification equipment and process |
| CN101475815B (en) * | 2008-11-25 | 2013-04-24 | 中国石油大学(北京) | Dry distillation method for oil shale material and fluidized bed dry distillation apparatus |
| CN103160299A (en) * | 2011-12-12 | 2013-06-19 | 中煤能源黑龙江煤化工有限公司 | Fluidized bed low-temperature destructive distillation system and low-temperature destructive distillation method of low-rank coal |
| CN103525448A (en) * | 2013-10-28 | 2014-01-22 | 抚顺市金山固体燃料新技术有限公司 | System and process for preparing light distillate oil from coal |
| CN105754621A (en) * | 2016-04-01 | 2016-07-13 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-circulating fluidized bed combined system and method for treating coal by utilizing same |
| CN105861008A (en) * | 2016-04-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-pulverized coal boiler combined system and coal treatment method using same |
| CN108611104A (en) * | 2018-06-19 | 2018-10-02 | 天津大学 | A kind of method and apparatus that the separation of oil-sand pyrolysis oil gas is integrated with energy regenerating |
| WO2018226911A1 (en) * | 2017-06-07 | 2018-12-13 | Dragon Shale, LLC | Methods and systems for retorting oil shale |
| CN109161407A (en) * | 2018-10-16 | 2019-01-08 | 合肥德博生物能源科技有限公司 | A kind of devices and methods therefor of biomass high-adaptability, efficient positive pressure gasification coupling coal-burning boiler |
| CN113528168A (en) * | 2021-09-05 | 2021-10-22 | 润鑫(杭州)新材料科技有限公司 | Spouted furnace system for dry distillation of oil shale or shale semicoke and dry distillation method thereof |
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2008
- 2008-06-04 CN CNA2008100285104A patent/CN101280200A/en active Pending
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| CN101475815B (en) * | 2008-11-25 | 2013-04-24 | 中国石油大学(北京) | Dry distillation method for oil shale material and fluidized bed dry distillation apparatus |
| CN101440311B (en) * | 2008-12-24 | 2012-10-17 | 张建超 | Biomass gas purification equipment and process |
| CN101948698A (en) * | 2010-10-14 | 2011-01-19 | 天津大学 | Novel energy-saving device for condensing and recovering oil shale in retorting oil gas and method |
| CN102464990A (en) * | 2010-11-05 | 2012-05-23 | 唐山市嘉恒实业有限公司 | Method and equipment for extracting petroleum from oily sludge and oil shale |
| CN102464990B (en) * | 2010-11-05 | 2013-12-11 | 唐山市嘉恒实业有限公司 | Method and equipment for extracting petroleum from oily sludge and oil shale |
| CN102304375A (en) * | 2011-08-18 | 2012-01-04 | 曹祖斌 | Oil sand/shale fluidized retorting method and system used thereby |
| CN102433143A (en) * | 2011-10-26 | 2012-05-02 | 金先奎 | Propulsion type vacuum direct heating oil shale dry distillation process and device thereof |
| CN103160299B (en) * | 2011-12-12 | 2014-08-27 | 中煤能源黑龙江煤化工有限公司 | Fluidized bed low-temperature destructive distillation system and low-temperature destructive distillation method of low-rank coal |
| CN103160299A (en) * | 2011-12-12 | 2013-06-19 | 中煤能源黑龙江煤化工有限公司 | Fluidized bed low-temperature destructive distillation system and low-temperature destructive distillation method of low-rank coal |
| CN103525448A (en) * | 2013-10-28 | 2014-01-22 | 抚顺市金山固体燃料新技术有限公司 | System and process for preparing light distillate oil from coal |
| CN105754621A (en) * | 2016-04-01 | 2016-07-13 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-circulating fluidized bed combined system and method for treating coal by utilizing same |
| CN105861008A (en) * | 2016-04-01 | 2016-08-17 | 北京神雾环境能源科技集团股份有限公司 | Coal pyrolysis reactor-pulverized coal boiler combined system and coal treatment method using same |
| WO2018226911A1 (en) * | 2017-06-07 | 2018-12-13 | Dragon Shale, LLC | Methods and systems for retorting oil shale |
| CN108611104A (en) * | 2018-06-19 | 2018-10-02 | 天津大学 | A kind of method and apparatus that the separation of oil-sand pyrolysis oil gas is integrated with energy regenerating |
| CN108611104B (en) * | 2018-06-19 | 2024-05-24 | 天津大学 | Integrated method and equipment for separating and recovering energy of oil sand pyrolysis oil gas |
| CN109161407A (en) * | 2018-10-16 | 2019-01-08 | 合肥德博生物能源科技有限公司 | A kind of devices and methods therefor of biomass high-adaptability, efficient positive pressure gasification coupling coal-burning boiler |
| CN109161407B (en) * | 2018-10-16 | 2024-04-30 | 合肥德博生物能源科技有限公司 | Device and method for biomass high-adaptability and high-efficiency positive pressure gasification coupling coal-fired boiler |
| CN113528168A (en) * | 2021-09-05 | 2021-10-22 | 润鑫(杭州)新材料科技有限公司 | Spouted furnace system for dry distillation of oil shale or shale semicoke and dry distillation method thereof |
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