CN202717750U - Fluidized bed steam low-temperature carbonization system for oil shale - Google Patents
Fluidized bed steam low-temperature carbonization system for oil shale Download PDFInfo
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- CN202717750U CN202717750U CN 201220307513 CN201220307513U CN202717750U CN 202717750 U CN202717750 U CN 202717750U CN 201220307513 CN201220307513 CN 201220307513 CN 201220307513 U CN201220307513 U CN 201220307513U CN 202717750 U CN202717750 U CN 202717750U
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- fluidized bed
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Abstract
The utility model provides a fluidized bed steam low-temperature carbonization system for oil shale. The fluidized bed steam low-temperature carbonization system comprises a storage bin, a fluidized bed carbonization reactor, a dedusting device, a primary cooler, a primary gas-liquid separator, a secondary cooler, a secondary gas-liquid separator, an oil-water separation tank, a heavy oil storage tank, a sewage purification device, a light oil storage tank, a saturated steam generator and an overheating steam generator. According to the fluidized bed steam low-temperature carbonization system, oil shale powder is carbonized by overheating steam, and generated carbocoal is stored in a coke storage bin. By the fluidized bed steam low-temperature carbonization system, oil shale ore fines are utilized fully and effectively, and the fluidized bed steam low-temperature carbonization system has the advantages of high heat transfer efficiency, high oil yield and the like.
Description
Technical field
The utility model relates to a kind of oil shale distillation system, particularly a kind of system of oil shale fluidized bed steam low-temperature pyrolysis.
Background technology
World's oil shale resources standing stock are very huge, and total reserves is converted to thermal value and is only second to coal, are converted to shale oil and reach approximately 4500 * 10
8T is about 5.4 times of oil workable reserve.It is 28 * 10 that China has verified the shale oil reserves
8T, along with the raising of exploration engineering and degree, the oil shale resources of prediction can reach 7199 * 10
8T amounts to shale oil and reaches 476 * 10
8T.The shale oil that resinous shale obtains through low-temperature pyrolysis can directly use as boiler or industrial furnace liquid fuel, industrially further shale oil is carried out hot-work and hydrofining technology is processed, and can obtain the products such as gasoline, kerosene, diesel oil, wax and refinery coke.
The oil shale retorting oil refining technology can be divided on the ground dry distillation and underground retoring method.At present, the underground retoring method since oil gas easily to the subterranean strata seepage, oil-collecting ratio is not high and process is restive, is still to be in development, is difficult to use; Dry distillation is the major technique of present industrial application on the ground, and comparatively proven technique comprises that Estonia Kiviter technology, Brazilian Petrosix technology, Chinese Fushun stove technology, the U.S. unite oily SGR retorting technique and Japanese Joseco retorting technique.Yet above-mentioned retorting technique is mainly for block resinous shale, and the resinous shale powder less for particle diameter generally abandons as mine tailing, makes oil shale resources (particle diameter is less than 12mm) not obtain fully effectively utilizing.
The utility model content
The utility model is for the deficiencies in the prior art, and a kind of oil shale fluidized bed steam low-temperature pyrolysis system is provided, and this utility model makes the resinous shale fine ore obtain fully effectively utilizing, and has heat transfer efficiency height, oily yield advantages of higher.
The purpose of this utility model is achieved through the following technical solutions:
Comprise storage bin 1, fluidized bed dry distillation reactor 3, cleaning apparatus 4, one-level water cooler 5, one-level gas-liquid separator 6, secondary coolers 7, secondary gas-liquid separator 8, gun barrel 9, light oil storage tank 10, effluent treatment plant 11, heavy oil storage tank 12, saturated steam generator 13, overheating steam generator 14, storage coke bin 16;
Wherein, described storage bin 1 connects fluidized bed dry distillation reactor 3 successively, cleaning apparatus 4, one-level water cooler 5, one-level gas-liquid separator 6, secondary coolers 7, secondary gas-liquid separator 8; Described one-level gas-liquid separator 6, secondary gas-liquid separator 7 connects respectively gun barrel 9; Described gun barrel 9 connects respectively light oil storage tank 10, effluent treatment plant 11, heavy oil storage tank 12; Described effluent treatment plant 11 arranges two outlets, an outlet connects secondary coolers 7, one-level water cooler 5 successively, another outlet connects saturated steam generator 13, overheating steam generator 14 successively, described overheating steam generator 14 connects fluidized bed dry distillation reactor 3, and described fluidized bed dry distillation reactor 3 connects storage coke bin 16.
Described secondary gas-liquid separator 8 gas outlet connects respectively saturated steam generator 13, overheating steam generator 14.
The described storage bin 1 outer shredding unit that arranges is ground into resinous shale the particle of particle diameter≤12mm.
The oil shale fluidized bed steam low-temperature pyrolysis system that the utility model provides adopts saturated steam generator and overheating steam generator to produce the superheated vapo(u)r that dry distillation reactor needs, and temperature equilibrium and the control ratio of system are easier to; Resinous shale particle diameter≤12mm had both saved investment and process cost, had significantly improved again the treatment capacity of system and the service efficiency of reactor; Adopt superheated vapo(u)r as thermal barrier, increase the dedusting burden of high-temperature gas when having avoided adopting circulating ash as thermal barrier and on the impact of shale oil quality; Superheated vapo(u)r has fluidizing medium, thermal barrier and vaporized chemical triple functions, can Effective Raise carbonization gas productive rate and available gas composition.
Description of drawings
Fig. 1 is the synoptic diagram of the system of oil shale fluidized bed steam low-temperature pyrolysis
Among the figure: 1 storage bin; 2 screw feeders; 3 fluidized bed dry distillation reactors; 4 cleaning apparatuss; 5 one-level water coolers; 6 one-level gas-liquid separators; 7 secondary coolers; 8 secondary gas-liquid separators; 9 gun barrels; 10 light oil storage tanks; 11 effluent treatment plants; 12 heavy oil storage tanks; 13 saturated steam generators; 14 overheating steam generators; 15 spiral discharging machines; 16 storage coke bins.
Embodiment
The utility model, the technical scheme among the embodiment is clearly and completely described below in conjunction with the accompanying drawing among the utility model embodiment for better illustrating.
As shown in Figure 1, the processing step of this system comprises: take the industrial scale of oil shale processes amount 0.5t/h as example, the resinous shale powder of particle diameter≤6mm is conveyed into fluidized bed dry distillation reactor 3 through screw feeder 2 in the storage bin 1,600 ℃ of superheated vapo(u)rs from overheating steam generator 14 enter fluidized bed dry distillation reactor 3 interior fluidisation resinous shale powders by fluidized bed dry distillation reactor 3 bottoms, the resinous shale powder carries out the fast pyrogenation reaction in fluidized bed dry distillation reactor 3, pyrolysis temperature is 480 ℃, synthesis pressure is 0.1MPa, the oil shale semi-coke that produces enters storage coke bin 16 through spiral discharging machine 15 and stores, and the oil gas that pyrolysis produces and steam mixture enter dust removing units 4 by fluidized bed dry distillation reactor 3 tops and carry out udst separation, oil gas after the purification and steam mixture enter 5 coolings of one-level water cooler, cooled gas-liquid mixture enters one-level gas-liquid separator 6 and carries out gas-liquid separation, oil-water mixture after the separation enters gun barrel 9, remaining oil gas and steam mixture enter secondary coolers 7 and further cool off, cooled gas-liquid mixture enters secondary gas-liquid separator 9 and carries out gas-liquid separation, oil-water mixture after the separation enters gun barrel 9, and a carbonization gas part is used as industrial chemicals, another part enters respectively saturated steam generator 13 and overheating steam generator 14 uses as geseous fuel, after oil-water mixture in the gun barrel 9 is realized oily water separation, the light oil on gun barrel 9 tops enters light oil storage tank 10 and stores, the heavy oil of gun barrel 9 bottoms enters heavy oil storage tank 12 and stores, the sewage at gun barrel 9 middle parts enters sewage purification unit 11 and purifies, clean water after the purification enters respectively secondary coolers 7 and one-level water cooler 5 uses as water coolant, and then enters successively the superheated vapo(u)r of saturated steam generator 13 and overheating steam generator 14 generation destructive distillation needs.
The above; it only is the better embodiment of the utility model; but protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (5)
1. an oil shale fluidized bed steam low-temperature pyrolysis system is characterized in that: comprise storage bin (1), fluidized bed dry distillation reactor (3), cleaning apparatus (4), one-level water cooler (5), one-level gas-liquid separator (6), secondary coolers (7), secondary gas-liquid separator (8), gun barrel (9), light oil storage tank (10), effluent treatment plant (11), heavy oil storage tank (12), saturated steam generator (13), overheating steam generator (14), storage coke bin (16); Wherein, described storage bin (1) connects fluidized bed dry distillation reactor (3) successively, cleaning apparatus (4), one-level water cooler (5), one-level gas-liquid separator (6), secondary coolers (7), secondary gas-liquid separator (8); Described one-level gas-liquid separator (6), secondary gas-liquid separator (7) connects respectively gun barrel (9); Described gun barrel (9) connects respectively light oil storage tank (10), effluent treatment plant (11), heavy oil storage tank (12); Described effluent treatment plant (11) arranges two outlets, an outlet connects secondary coolers (7), one-level water cooler (5) successively, another outlet connects saturated steam generator (13), overheating steam generator (14) successively, described overheating steam generator (14) connects fluidized bed dry distillation reactor (3), and described fluidized bed dry distillation reactor (3) connects storage coke bin (16).
2. oil shale fluidized bed steam low-temperature pyrolysis according to claim 1 system is characterized in that, also comprises screw feeder (2), to connect storage bin (1) and fluidized bed dry distillation reactor (3).
3. oil shale fluidized bed steam low-temperature pyrolysis according to claim 1 system is characterized in that, also comprises spiral discharging machine (15), to connect described fluidized bed dry distillation reactor (3) and storage coke bin (16).
4. according to claim 1 oil shale fluidized bed steam low-temperature pyrolysis system is characterized in that the outlet of described secondary gas-liquid separator (8) gas connects respectively saturated steam generator (13), overheating steam generator (14).
5. oil shale fluidized bed steam low-temperature pyrolysis according to claim 1 system, it is characterized in that: described storage bin (1) is outer to arrange shredding unit, resinous shale is ground into the particle of particle diameter≤12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307513 CN202717750U (en) | 2012-06-27 | 2012-06-27 | Fluidized bed steam low-temperature carbonization system for oil shale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220307513 CN202717750U (en) | 2012-06-27 | 2012-06-27 | Fluidized bed steam low-temperature carbonization system for oil shale |
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| Publication Number | Publication Date |
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| CN202717750U true CN202717750U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220307513 Expired - Fee Related CN202717750U (en) | 2012-06-27 | 2012-06-27 | Fluidized bed steam low-temperature carbonization system for oil shale |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757801A (en) * | 2012-06-27 | 2012-10-31 | 北京神雾环境能源科技集团股份有限公司 | Oil shale fluidized bed steam low-temperature dry distillation method and system |
| CN109401784A (en) * | 2018-12-13 | 2019-03-01 | 上海博申工程技术有限公司 | A kind of method of comprehensive utilization and device of heavy poor oil and oil shale |
-
2012
- 2012-06-27 CN CN 201220307513 patent/CN202717750U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102757801A (en) * | 2012-06-27 | 2012-10-31 | 北京神雾环境能源科技集团股份有限公司 | Oil shale fluidized bed steam low-temperature dry distillation method and system |
| CN102757801B (en) * | 2012-06-27 | 2014-12-24 | 北京神雾环境能源科技集团股份有限公司 | Oil shale fluidized bed steam low-temperature dry distillation method and system |
| CN109401784A (en) * | 2018-12-13 | 2019-03-01 | 上海博申工程技术有限公司 | A kind of method of comprehensive utilization and device of heavy poor oil and oil shale |
| CN109401784B (en) * | 2018-12-13 | 2023-10-20 | 上海博申工程技术有限公司 | Comprehensive utilization method of heavy inferior oil and oil shale |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 102200 Beijing City, Changping District science and Technology Park Chang Huai Lu No. 155 Patentee after: Shenwu Technology Group Co.,Ltd. Address before: 102200 Beijing city Changping District Machi Town cow Road No. 18 Patentee before: BEIJING SHENWU ENVIRONMENT AND ENERGY TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Fluidized bed steam low-temperature carbonization system for oil shale Effective date of registration: 20180322 Granted publication date: 20130206 Pledgee: The Bank of Beijing Limited by Share Ltd. Anwar Road Branch Pledgor: Shenwu Technology Group Co.,Ltd. Registration number: 2018990000210 |
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| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190121 Granted publication date: 20130206 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220627 Granted publication date: 20130206 |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130206 Termination date: 20190627 |