CN203021509U - High-pressure destructive distillation device for oil shale ores - Google Patents
High-pressure destructive distillation device for oil shale ores Download PDFInfo
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- CN203021509U CN203021509U CN 201220593307 CN201220593307U CN203021509U CN 203021509 U CN203021509 U CN 203021509U CN 201220593307 CN201220593307 CN 201220593307 CN 201220593307 U CN201220593307 U CN 201220593307U CN 203021509 U CN203021509 U CN 203021509U
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Abstract
The utility model relates to a high-pressure destructive distillation device for oil shale ores. The high-pressure destructive distillation device for the oil shale ores comprises a charging system, a destructive distillation furnace system, an exhaust gas recycling system and an exhaust pressure equalizing system, wherein the charging system is connected with the top of the destructive distillation furnace system; the exhaust gas recycling system is connected with the upper part of the destructive distillation furnace system; and the exhaust pressure equalizing system is connected with the lower part of the charging system. The high-pressure destructive distillation device for the oil shale ores has the beneficial effects that the high-pressure destructive distillation device for the oil shale ores has the characteristics of being reasonable in design, land-conserving, investment-lowering, stable in production, strong in practicability and long in service life of the destructive distillation furnace; the charging way and the discharging way of the high-pressure destructive distillation device for the oil shale ores are adopted, so that the gas flow blows through the center, and the heated gas is uniformly distributed on the horizontal plane in the furnace for being sufficiently contacted with the oil shale ores, and therefore, the heat exchange efficiency between the heated gas and the ores is improved, the single-furnace yield and the oil yield of the oil shale ores are greatly improved, the long-term stable operation of the destructive distillation furnace is realized, the economic benefits are obvious and the application prospect is extensive.
Description
Technical field
The utility model relates to oil shale ore destructive distillation field, particularly a kind of oil shale ore high pressure destructive distillation device.
Background technology
China is second-biggest-in-the-world energy consumption state, the annual approximately 600,000,000 tons of crude oil that consume, the ratio of crude oil import amount surpasses 55%, crossed internationally recognized 50% barrier line, and the ratio of imported crude oil also will continue to increase, complicated and changeable due to international situation, the long-term serious situation that relies on external imported crude oil can't be guaranteed, the uncertainty of following power supply will restrict the economic sustainable and stable development of China, for this reason, minimizing energy consumption, raising development quality, the new substitute energy of searching exploitation are the important directions of the economic future development of China.
The oil shale ore reserves of China are very abundant, and proven reserve occupy prostatitis, the world, and the prospect of extracting shale oil from oil shale ore is very wide, to the interdependency that reduces China's external oil with ensure that China's economic security has important strategic importance.
At present, the domestic shale oil that extracts from oil shale ore all adopts the low pressure shaft furnace process, the main drawback of this technique is recycle gas skewness in shaft furnace of heated oil shale, can not fully contact with oil shale ore, heat transfer between heated air and oil shale ore is restricted, the heat of heated air can not effectively pass to oil shale ore, and single stove production capacity is low, single stove maximum only 300 tons of oil shale ore of processing every day.
Existing heating oil shale ore shaft furnace for realize the stove heating air flow in stove even distribution and flow to the stove center, realize by the passage of building by laying bricks or stones in stove, cause masonry construction complexity in stove, masonry construction is unstable, and affect the descending of oil shale ore, thereby affect work-ing life and the production capacity of gas retort.
Summary of the invention
The purpose of this utility model is to provide a kind of pressure by the raising heated air and the heat exchange efficiency between heated air and ore, significantly improves device and the technique of the oil-collecting ratio of single stove production capacity and oil shale ore.
For achieving the above object, the utility model is realized by the following technical solutions:
A kind of oil shale ore high pressure destructive distillation device, comprise charging system, gas retort system, exhaust recovery system and equal discharging systems, described charging system is connected with gas retort system top, exhaust recovery system is connected with gas retort system top, and all discharging system is connected with the charging system bottom.
Described charging system is discharging tubular type charging system, comprise charging belt machine, hopper, hopper discharge valve, batch can, batch can upper sealing valve, batch can lower sealing valve, batch can discharge valve and discharge tube, charging belt machine one is rectified the below and is provided with hopper, hopper is connected with batch can by the hopper discharge valve, batch can is connected with discharge tube by the batch can discharge valve, and batch can two ends are respectively equipped with batch can upper sealing valve and batch can lower sealing valve.
described gas retort system comprises gas retort, the cooling gas inlet pipe, the cooling gas steam line, scum pipe, the drainage conduit trip valve, gas retort outlet discharge valve, the cold gas endless tube, the heated air inlet tube, heated air is distributed endless tube and gas retort liner, gas retort inside is provided with the gas retort liner, the gas retort middle part distributes endless tube to be connected by the heated air inlet tube of inclination certain angle with heated air, the gas retort bottom is connected with the cooling gas steam line with the cold gas endless tube by the cooling gas inlet pipe, the gas retort bottom is connected with scum pipe with gas retort outlet discharge valve by the drainage conduit trip valve.
Described exhaust recovery system comprises gas retort gas exhaust duct, oil saver and gas holder, and the oil saver top is provided with the gas retort gas exhaust duct, and oil saver top is connected with gas holder.
Described equal discharging system comprises equalizing valve, pressure-equalizing passageway, purge valve, row pressure sourdine and equal row pressure common-use tunnel, and pressure-equalizing passageway is connected with equal row pressure common-use tunnel by equalizing valve, and all row pressure common-use tunnel one end is provided with purge valve and row pressure sourdine.
The described gas retort type of furnace is little, the broad in the middle circular cross section structure in up and down, and gas retort is divided into preheating section, retort section and cooling section, and gas retort is steel shell, and the gas retort liner is bricking or refractory masses.
The spout of described cooling gas inlet pipe is wedge structure.
Described heated air inlet tube is two or more, is distributed in outside gas retort, and heated air inlet tube one end is provided with spout, and spout is sleeve steel water-cooling structure.
Described charging system is discharging tubular type charging system or without bell swivel chute formula charging system or clock-type charging system.
Compared with prior art, the beneficial effects of the utility model are:
A kind of oil shale ore high pressure destructive distillation device, have reasonable in design, save the area, reduce investment, produce characteristics stable, practical, the gas retort long service life, owing to adopting novel charging and marker method, realized that air-flow blows through the center, heated air evenly distributes on the stove inner horizontal, fully contact with oil shale ore, improve the heat exchange efficiency between heated air and ore, significantly improve the oil-collecting ratio of single stove production capacity and raising oil shale ore, and realize the long-term stability operation of gas retort having obvious economic benefit and wide application prospect.
Description of drawings
Fig. 1 is structure iron of the present utility model.
1 - Conveyor 2 - hopper 3 - hopper discharge valve 4 - Tank 5 - tank seal valve 6 - tank discharge valve 7 - tank under seal valve 8 - retort 9 - 10 Raceway airflow - cooling gas inlet pipe 11 - cooling gas supply line 12 - slagging tube 13 - discharge spout off valve 14 - retort furnace discharge outlet valve 15 - cooling gas ring pipe 16 - port 17 - heating gas inlet pipe 18 - heating gas distribution ring tube 19 - oil shale ore 20 - discharge pipe 21 - retort furnace exhaust pipe 22 - oil recovery 23 - equalizing valve 24 - equalizing line 25 - exhaust pressure valve 26 - muffler exhaust pressure 27 - gas cabinet 28 - retort furnace lining 29 - are ranked public pressure pipeline
Embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is further illustrated:
as shown in Figure 1, a kind of oil shale ore high pressure of the utility model destructive distillation device, comprise charging system, the gas retort system, exhaust recovery system and equal discharging system, charging system is connected with gas retort system top, exhaust recovery system is connected with gas retort system top, all discharging system is connected with the charging system bottom, charging system is discharging tubular type charging system, comprise charging belt machine 1, hopper 2, hopper discharge valve 3, batch can 4, batch can upper sealing valve 5, batch can discharge valve 6, batch can lower sealing valve 7 and discharge tube 20, charging belt machine 1 one is rectified the below and is provided with hopper 2, hopper 2 is connected with batch can 4 by hopper discharge valve 3, batch can 4 is connected with discharge tube 20 by batch can discharge valve 6, batch can 4 two ends are respectively equipped with batch can upper sealing valve 5 and batch can lower sealing valve 7, the gas retort system comprises gas retort 8, cooling gas inlet pipe 10, cooling gas steam line 11, scum pipe 12, drainage conduit trip valve 13, gas retort outlet discharge valve 14, cold gas endless tube 15, heated air inlet tube 17, heated air is distributed endless tube 18 and gas retort liner 28, gas retort 8 inside are provided with gas retort liner 28, gas retort 8 middle parts distribute endless tube 18 to be connected by the heated air inlet tube 17 of inclination certain angle with heated air, gas retort 8 bottoms are connected with cooling gas steam line 11 with cold gas endless tube 15 by cooling gas inlet pipe 10, gas retort 8 bottoms are connected with scum pipe 12 with gas retort outlet discharge valve 14 by drainage conduit trip valve 13, exhaust recovery system comprises gas retort gas exhaust duct 21, oil saver 22 and gas holder 17, and oil saver 22 tops are provided with gas retort gas exhaust duct 21, and oil saver 22 tops are connected with gas holder 27, all discharging system comprises equalizing valve 23, pressure-equalizing passageway 24, purge valve 25, row pressure sourdine 26 and equal row pressure common-use tunnel 29, pressure-equalizing passageway 24 is connected with equal row pressure common-use tunnel 29 by equalizing valve 23, all row pressure common-use tunnel 29 1 ends are provided with purge valve 25 and row pressure sourdine 26, gas retort 8 type of furnaces are that the up and down is little, circular cross section structure broad in the middle, gas retort 8 is divided into preheating section, retort section and cooling section, gas retort 8 is steel shell, gas retort liner 28 is bricking or refractory masses, when guaranteeing normal production, gas retort 8 box hat appearance temperature are lower than 100 ℃, the spout of cooling gas inlet pipe 10 is wedge structure, heated air inlet tube 17 is two or more, be distributed in gas retort 8 outsides, heated air inlet tube 17 1 ends are provided with spout 16, spout 16 is sleeve steel water-cooling structure, heated air distributes endless tube 18 and heated air inlet tube 17 to be steel shell, in box hat, table is laid bricks or sprayable refractory, during normal production, box hat appearance temperature is lower than 100 ℃.
Charging system is discharging tubular type charging system or without bell swivel chute formula charging system or clock-type charging system.
When using the utility model, the processing step of oil shale ore high pressure destructive distillation is as follows:
1) charging and equal row pressure: determine that purge valve 25 is in opened condition, equalizing valve 23 is in closing condition, then by charging belt machine 1, oil shale ore 19 is transported in hopper 2, then open successively batch can upper sealing valve 5 and hopper discharge valve 6, when the oil shale ore 19 in hopper is discharged in batch can 4, close hopper discharge valve 3, batch can upper sealing valve 5 and purge valve 25, open equalizing valve 23, the body of all calming the anger enters batch can 4, when all calming the anger body pressure and gas retort 8 furnace top gas pressure when suitable in batch can 4, open successively batch can lower sealing valve 7 and batch can discharge valve 6, oil shale ore 19 in batch can 4 is through discharge tube 20 gas retort 8 of packing into, after oil shale ore 19 in batch can 4 is emptying, close successively batch can discharge valve 6, batch can lower sealing valve 7 and equalizing valve 23, open purge valve 25, entrap bubble in batch can 4 is disposed in atmosphere after row pressure sourdine 26 noise reductions or is recycled in recycle gas after dust removal process, then open batch can upper sealing valve 5 and hopper discharge valve 3, beginning is charging next time.
2) provide heated air: the heated air from process furnace enters heated air distribution endless tube 18, after distributing the interior even distribution of endless tube 18, heated air enters gas retort 8 by heated air inlet tube 17 and spout 16, the heated air temperature is 700～800 ℃, and pressure is 1.0～6.0kg/cm
2, gas velocity is 60～150m/s so that heated air forms air-flow convolution district 19 at spout 16 places, guarantee that air-flow blows through the center and on whole spout 16 horizontal planes heating air flow evenly distribute.
3) preheating: gas retort 8 tops are up-small and down-big cone, this zone is preheating section, oil shale ore 19 is heated by high temperature gas flow in this regional decline process, temperature raises gradually, oil shale ore 19 is with temperature rising volumetric expansion, oil shale ore 19 temperature are increased to 350～450 ℃ when arriving the preheating section bottom, have this moment the part retort process to occur.
4) destructive distillation: gas retort 8 middle parts are cylindrical structural, this zone is retort section, oil shale ore 19 is continued heating in this zone, oil shale ore 19 temperature are increased to 500～600 ℃ when arriving the retort section bottom, retort process is completed substantially, becomes slag through the oil shale ore 19 after destructive distillation.
5) exhaust gas recovery: the carbonization gas that retort process produces rises with heated air, transfer heat to descending oil shale ore 19 in uphill process, when resinous shale is left on arrival gas retort 8 tops, the temperature of discharging carbonization gas is 100～150 ℃, enter oil saver 22 from the carbonization gas of gas retort 8 tops discharges through gas retort gas exhaust duct 21, oil saver 22 is with the shale oil recovery in carbonization gas, obtain main products, carbonization gas after oil removing enters gas holder 27, after boosting, gives force (forcing) pump process furnace, sending gas retort 8 back to through the carbonization gas of process furnace heating uses as the heated air of ore again.
6) cooling: gas retort 8 bottoms are up big and down small cone, this zone is the slag cooling section, in order to reclaim the heat of slag, cold gas is successively by cooling gas steam line 11, cold gas endless tube 15 and cold gas inlet tube 10 enter in gas retort 8, the cooling gas temperature is lower than 30～60 ℃, cold gas is cooling with the slag that descends in uphill process, when slag arrives the bottom relief outlet, temperature is lower than 100～150 ℃, cold gas self temperature in cooling slag constantly raises, when arriving the retort section lower end, temperature rises to more than 300～350 ℃, locate to converge into 700～800 ℃ of heated air of stove with this, mixed gas temperature is controlled at 600～670 ℃, to guarantee that dry distillation area has enough destructive distillation heats, the cold gas that slag is risen in this regional decline process is cooling, temperature reduces gradually, the slag volume-diminished.
7) deslagging: when the needs deslagging, open successively drainage conduit trip valve 13 and gas retort outlet discharge valve 14, the slag of gas retort 8 bottoms is just discharged by scum pipe 12.
Above described be only ultimate principle of the present utility model, be not that the utility model is imposed any restrictions, everyly according to the utility model, it is carried out equivalent variations and modification, all within the category of the art of this patent protection scheme.
Claims (9)
1. oil shale ore high pressure destructive distillation device, it is characterized in that, comprise charging system, gas retort system, exhaust recovery system and equal discharging systems, described charging system is connected with gas retort system top, exhaust recovery system is connected with gas retort system top, and all discharging system is connected with the charging system bottom.
2. a kind of oil shale ore high pressure destructive distillation device according to claim 1, it is characterized in that, described charging system is discharging tubular type charging system, comprise charging belt machine, hopper, hopper discharge valve, batch can, batch can upper sealing valve, batch can lower sealing valve, batch can discharge valve and discharge tube, charging belt machine one is rectified the below and is provided with hopper, hopper is connected with batch can by the hopper discharge valve, batch can is connected with discharge tube by the batch can discharge valve, and batch can two ends are respectively equipped with batch can upper sealing valve and batch can lower sealing valve.
3. a kind of oil shale ore high pressure destructive distillation device according to claim 1, it is characterized in that, described gas retort system comprises gas retort, the cooling gas inlet pipe, the cooling gas steam line, scum pipe, the drainage conduit trip valve, gas retort outlet discharge valve, the cold gas endless tube, the heated air inlet tube, heated air is distributed endless tube and gas retort liner, gas retort inside is provided with the gas retort liner, the gas retort middle part distributes endless tube to be connected by the heated air inlet tube of inclination certain angle with heated air, the gas retort bottom is connected with the cooling gas steam line with the cold gas endless tube by the cooling gas inlet pipe, the gas retort bottom is connected with scum pipe with gas retort outlet discharge valve by the drainage conduit trip valve.
4. a kind of oil shale ore high pressure destructive distillation device according to claim 1, it is characterized in that, described exhaust recovery system comprises gas retort gas exhaust duct, oil saver and gas holder, and the oil saver top is provided with the gas retort gas exhaust duct, and oil saver top is connected with gas holder.
5. a kind of oil shale ore high pressure destructive distillation device according to claim 1, it is characterized in that, described equal discharging system comprises equalizing valve, pressure-equalizing passageway, purge valve, row pressure sourdine and equal row pressure common-use tunnel, pressure-equalizing passageway is connected with equal row pressure common-use tunnel by equalizing valve, and all row pressure common-use tunnel one end is provided with purge valve and row pressure sourdine.
6. a kind of oil shale ore high pressure destructive distillation device according to claim 3, it is characterized in that, the described gas retort type of furnace is that the up and down is little, circular cross section structure broad in the middle, gas retort is divided into preheating section, retort section and cooling section, gas retort is steel shell, and the gas retort liner is bricking or refractory masses.
7. a kind of oil shale ore high pressure destructive distillation device according to claim 3, is characterized in that, the spout of described cooling gas inlet pipe is wedge structure.
8. a kind of oil shale ore high pressure destructive distillation device according to claim 3, it is characterized in that, described heated air inlet tube is two or more, is distributed in outside gas retort, heated air inlet tube one end is provided with spout, and spout is sleeve steel water-cooling structure.
9. a kind of oil shale ore high pressure destructive distillation device according to claim 1, is characterized in that, described charging system is discharging tubular type charging system or without bell swivel chute formula charging system or clock-type charging system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593307 CN203021509U (en) | 2012-11-12 | 2012-11-12 | High-pressure destructive distillation device for oil shale ores |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220593307 CN203021509U (en) | 2012-11-12 | 2012-11-12 | High-pressure destructive distillation device for oil shale ores |
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| Publication Number | Publication Date |
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| CN203021509U true CN203021509U (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220593307 Expired - Fee Related CN203021509U (en) | 2012-11-12 | 2012-11-12 | High-pressure destructive distillation device for oil shale ores |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131992A (en) * | 2015-09-25 | 2015-12-09 | 北京神雾环境能源科技集团股份有限公司 | System and method of fast pyrolysis of oil shale |
-
2012
- 2012-11-12 CN CN 201220593307 patent/CN203021509U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105131992A (en) * | 2015-09-25 | 2015-12-09 | 北京神雾环境能源科技集团股份有限公司 | System and method of fast pyrolysis of oil shale |
| CN105131992B (en) * | 2015-09-25 | 2017-11-03 | 神雾科技集团股份有限公司 | The system and method for oil shale fast pyrogenation |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20151112 |
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| EXPY | Termination of patent right or utility model |