CN208872691U - A kind of water oxygen synergy oil shale pyrolysis experimental provision - Google Patents
A kind of water oxygen synergy oil shale pyrolysis experimental provision Download PDFInfo
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- CN208872691U CN208872691U CN201821666657.1U CN201821666657U CN208872691U CN 208872691 U CN208872691 U CN 208872691U CN 201821666657 U CN201821666657 U CN 201821666657U CN 208872691 U CN208872691 U CN 208872691U
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Abstract
The utility model discloses a kind of water oxygen synergy oil shale pyrolysis experimental provisions, it is related to oil shale gas injection pyrolytic technique field, which includes: feeder, air heater, electric control system, the double-deck quartz reaction kettle, water filling device, condensation and product collection system and data collection system；Water oxygen joint oil shale pyrolysis method includes oil shale sample treatment and dress sample, piping connection；It is passed through in the double-deck quartz reaction kettle after gas at normal temperature is passed through air heater heating；It opens check valve and suitable water is added into the double-deck quartz reaction kettle；The oil gas that oil shale pyrolysis generates is condensed by condensing unit and collects product；Product is analyzed after pyrolysis.The utility model, which can study different atmosphere, pyrolysis temperature, amount of water, influences oil shale pyrolysis, provides theoretical foundation for in-situ retorting, is heated to the method that assigned temperature injects in the double-deck quartz reaction kettle using by air, simulates practical gas injecting mining in situ.
Description
Technical field
The utility model relates to oil shale gas injection pyrolytic technique fields, more particularly to a kind of water oxygen synergy oil shale
Pyrolysis Experiment device.
Background technique
Oil shale is that generally being evolved by low animals and plants (algae etc.) is filled in inorganic matter rich in organic matter,
It is a kind of pulveryte.Organic matter generates shale oil and shale gas after heating, is a kind of important unconventional oil and gas money
Source.As energy contradiction becomes increasingly conspicuous, oil shale is considered as the substitute of petroleum.Oil shale in China reserves are huge, about
7199.37 hundred million tons, being converted to shale oil mass is about 476.44 hundred million tons.
Currently, there are many oil shale in-situ recovery method.According to heat transfer mode difference can be divided into conduction heating, convection current adds
Heat, radiant heating.
The ICP technology of conduction heating techniques such as Shell Co. Ltd, this technology environmental pollution is small, and heat transfer is slow, heating oil shale
It is long the time required to layer, serious heat loss.
The Convective Heating technology of Convective Heating technology such as Taiyuan science and engineering, Crush technology etc., basic principle utilize hot gas
Heating oil shale layer exploits oil gas.This technology heating speed is fast, but not easy to control.
Radiant heating, such as the RF/CF technology of Raytheon company, basic principle utilizes radio frequency heating oil shale layer, but
The cost is relatively high, and technical difficulty is big.
The mixture of high temperature air and natural gas adsorption is injected oil shale formation by topochemical reaction method, splits kerogen
Solution generates shale oil gas, generates amount of heat with the oxygen local reaction in air, continues heating oil shale layer, is gradually expanded anti-
Range is answered, economic benefit is higher.The presence of water promotes oil shale pyrolysis to a certain extent, therefore proposes water oxygen joint oil shale heat
Solution method.
Laboratory test need to be carried out further to probe into the feasibility of water oxygen joint pyrolysis oil shale method, but so far also
There is no a kind of device and method specifically for laboratory test, it is therefore necessary to design a kind of novel water oxygen joint pyrolysis oil shale
The device of experiment.
Utility model content
The purpose of this utility model is to provide a kind of water oxygen synergy oil shale pyrolysis experimental provisions, combine for water oxygen
It is pyrolyzed oil shale and experiment porch is provided, which can carry out water oxygen joint pyrolysis oil shale mechanism study, can also be right
Heating temperature, amount of water, pyrolysis atmosphere are controlled.
In order to achieve the above objectives, the utility model adopts the following technical solutions: a kind of water oxygen synergy oil shale is warm
Solve experimental provision characterized by comprising feeder, air heater, the double-deck quartz reaction kettle, electric control system, water filling
Device, condensation and product collection system and data collection system,
The feeder is gas cylinder, and feeder is for providing pyrolysis gas；
The inlet end of the air heater is connect with feeder by pipeline I, and is provided with check valve on pipeline I
I, the outlet side of air heater is connect by pipeline II with the air inlet pipe of the double-deck quartz reaction kettle, and is provided on pipeline II
Check valve III, air heater is for heating the gases to oil shale pyrolysis temperature；
The electric control system is connected with power supply and air heater respectively by route, and electric control system is for adjusting sky
Actual power when hot-air heater heat gas；
The water filling device is connected between air heater and the double-deck quartz reaction kettle by filling pipe；
The condensation is connect by pipeline with the double-deck quartz reaction kettle with product collection system, condensation and product collection system
Including condensing unit and collection of products device two parts；
The data collection system include the first temperature sensor, pressure sensor, flowmeter, second temperature sensor,
Recording instrument without paper and computer, the first temperature sensor are arranged on the inner wall of the double-deck quartz reaction kettle, the first temperature sensor
It is connect with recording instrument without paper；Pressure sensor and flowmeter are arranged on pipeline I, and pressure sensor and flowmeter with no paper
Recorder connection；Second temperature sensor is arranged on pipeline II, and second temperature sensor is connect with recording instrument without paper, no paper note
It records instrument and computer communicates to connect.
The air heater is shell and tube electric heater.
The both ends lid of the bilayer quartz reaction kettle is respectively the first flange and second flange for having gas pipeline.
It is wound with alumina silicate blanket on the outside of the bilayer quartz reaction kettle, and is wound with tinfoil outside alumina silicate blanket.
The gas of the feeder storage inside is O2And N2Mixed gas.
The water filling device includes with graduated syringe and check valve II, and syringe is connect with filling pipe, unidirectionally
The junction of syringe and filling pipe is arranged in valve II.
The air inlet pipe of the pipeline II, filling pipe and the double-deck quartz reaction kettle is spirally connected by tee tube.
The condensing unit is connected with the gas outlet of the double-deck quartz reaction kettle, and condensing unit includes condenser pipe and cold water storage cistern,
The lower end of condenser pipe is connected with running water pipe, and the upper end of condenser pipe is water outlet, and collection of products device is gas collection bottle and liquid
Body receiving flask, fluid collection vials are immersed in cold water storage cistern；The shale oil gas that pyrolysis generates enters gas after entering the inner tube of condenser pipe
Body receiving flask and fluid collection vials, tentatively collection product, condense oil gas sufficiently under cold water storage cistern effect.
Through the above design, the utility model can be brought the following benefits:
The utility model devises the water oxygen synergy oil shale pyrolysis experimental provision of complete set, carry out a small amount of water and
Oxygen collective effect is pyrolyzed oil shale experiment, and gas is heated to assigned temperature and is passed through in reaction kettle, simulates situ oil shale gas injection
Oil gas situation is exploited, certain theoretical foundation and recovery method guidance are provided for traditional oil shale recovery.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The utility model illustrative embodiments and their description do not constitute the improper limit of the utility model for understanding the utility model
It is fixed, in the accompanying drawings:
Fig. 1 is the workflow signal of water oxygen synergy oil shale pyrolysis experimental provision in the utility model embodiment
Figure；
Fig. 2 is water filling device pipeline connection schematic diagram in the utility model.
It is respectively marked in figure as follows: 1- feeder；2- air heater；3- bilayer quartz reaction kettle；4- condenser pipe；5- gas
Body receiving flask；6- cold water storage cistern；7- recording instrument without paper；8- computer；9- electric control system；10- pipeline I；11- pipeline II；12- note
Waterpipe；13- air inlet pipe；The first temperature sensor of 14-；15- check valve I；16- pressure sensor；17- flowmeter；18- second
Temperature sensor；19- check valve II；20- check valve III；21- air inlet a；The gas outlet 22- b；23- air inlet c；The gas outlet 24-
d；25- tap water water inlet；26- running water outlet mouth；27- first flange；28- second flange；29- syringe；30- water filling dress
It sets；31- fluid collection vials；32- tee tube.
Specific embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one below with reference to preferred embodiments and drawings
The explanation of step.It should be understood by those skilled in the art that.Specifically described content is illustrative and be not restrictive below, no
It should limit the protection scope of the present invention.In order to avoid obscuring the essence of the utility model, well known method, process,
Process and element are not described in detail." first " and " second " used in the utility model, be not offered as any sequence,
Quantity or importance, and be used only to distinguish different component parts.
Fig. 1 is the workflow schematic diagram of water oxygen synergy oil shale pyrolysis experimental provision.As shown, the device packet
Include: feeder 1, air heater 2, the double-deck quartz reaction kettle 3, electric control system 9, water filling device 30, condensation are received with product
Collecting system and data collection system；
The air inlet a21 of the air heater 2 is connect with feeder 1 by pipeline I 10, and is set on pipeline I 10
It is equipped with check valve I 15, the gas outlet b22 of air heater 2 is connected by the air inlet pipe 13 of pipeline II 11 and the double-deck quartz reaction kettle 3
It connecing, and is provided with check valve III 20 on pipeline II 11, air heater 2 is used to heat the gases to oil shale pyrolysis temperature,
2 heat gas of air heater can adjust heating final temperature as needed.
The bilayer quartz reaction kettle 3 is tubulose, and diameter 100mm, high 150mm, both ends lid is flange, the double-deck quartz
The main body of reaction kettle 3 is bolted with flange, and two flanges are respectively first flange 27 and second flange 28, in the first method
27 middle part of orchid is equipped with air inlet c23, and air inlet c23 is connected with air inlet pipe 13, by air inlet c23 to the double-deck quartz reaction kettle 3
Delivered inside high-temperature gas, heating oil shale make its cracking, and the gas outlet d in second flange 28 is connected with condenser pipe 4.
First temperature sensor 14 is K-type thermocouple temperature sensor, and the first temperature sensor 14 for supervising in real time
Survey the variation of oil shale pyrolysis temperature in the double-deck quartz reaction kettle 3.
The data collection system includes the first temperature sensor 14, pressure sensor 16, flowmeter 17, second temperature biography
Sensor 18, recording instrument without paper 7 and computer 8, the first temperature sensor 14 are arranged on the inner wall of the double-deck quartz reaction kettle 3, the
One temperature sensor 14 is connect with recording instrument without paper 7；Pressure sensor 16 and flowmeter 17 are arranged on pipeline I 10, and pressure
Sensor 16 and flowmeter 17 are connect with recording instrument without paper 7；Second temperature sensor 18 is arranged on pipeline II 11, the second temperature
Degree sensor 18 is connect with recording instrument without paper 7, and recording instrument without paper 7 is for recording temperature, pressure, the data of flow, paperless tests
Instrument 7 and computer 8 communicate to connect；It can show that temperature, pressure, flow change over time.
If Fig. 2 is water filling device pipeline connection schematic diagram, filling pipe 12, air inlet pipe 13 and pipeline II 11 use tee tube
32 are spirally connected.Water filling is using with graduated 29 Manual water injection of syringe；Check valve is equipped between syringe 29 and filling pipe 12
II 19, add and opens check valve II 19 when water and close check valve III 20, check valve II 19 is closed after the completion of water filling and open unidirectional
Valve III 20.
Gas in gas injection device 1 is connected by pipeline I 10 with the air inlet a21 of air heater 2, electric control system 9
According to feedback information adjust air heater 2 heating power, after air is heated from the gas outlet b22 of air heater 2 into
Enter pipeline II 11, pipeline II 11, air inlet pipe 13 and filling pipe 12 are spirally connected by tee tube 32.Condensation and product collection system packet
Include condensing unit and collection of products two parts；Condensing unit includes 6 two parts of condenser pipe 4 and cold water storage cistern.The lower end of condenser pipe 4
For tap water water inlet 25, upper end is running water outlet mouth 26.Cold water storage cistern 6 is for being fully cooled oil gas product.Collection device packet
Gas collection bottle 5 and fluid collection vials 31 are included, gas collection bottle 5 is for tentatively collecting the shale oil of condensation, fluid collection vials 31
It is immersed in cold water storage cistern 6, for secondary collection sufficiently to collect oil gas product.Pressure sensor 16, flowmeter 17 and the first temperature
Degree sensor 14 is connected with recording instrument without paper 7, the data in experiment is transmitted in recording instrument without paper 7 with PID signal, no paper
Recorder 7 is connect with computer 8, passes data to computer 8.
Heat loss in the double-deck quartz reaction kettle 3 in pyrolytic process in order to prevent, winds on the outside of the double-deck quartz reaction kettle 3
There is alumina silicate blanket, and is wound with tinfoil on the outside of alumina silicate blanket；When winding alumina silicate blanket, certain position is reserved as sight
Window is surveyed, is pyrolyzed change procedure for observing oil shale sample in real time, is smoothly flowed from the double-deck quartz reaction kettle 3 to make to be pyrolyzed oil gas
Enter in the inner tube of condenser pipe 4 out, the double-deck quartz reaction kettle 3 slightly tilts down when fixed.
The specifically used method of the device are as follows: the oil shale for weighing certain mass puts it into the double-deck quartz reaction kettle 3
Designated position, the first temperature sensor 14 are contacted with oil shale sample, temperature when real-time monitoring oil shale pyrolysis；By Fig. 1 institute
Show and is sequentially connected feeder 1, air heater 2, the double-deck quartz reaction kettle 3, water filling device 30, condensation and collection of products system
System, electric control system 9, recording instrument without paper 7 and computer 8.Power supply is opened, starting electric control system 9 switchs, and according in experiment
The quality of oil shale and the power of pyrolysis final temperature selection air heater 2, open the check valve I 15 of feeder 1, gas passes through
Pipeline I 10 is connect with air heater 2, and is entered air heater 2 by air inlet a21 and heated, from out after gas is heated
Port b22 outflow, enters in the double-deck quartz reaction kettle 3 through pipeline II 11, air inlet pipe 13 and air inlet c23, makes oil shale pyrolysis,
It is pyrolyzed the oil gas generated and condensing unit, while 14 real-time monitoring oil shale heat of the first temperature sensor is entered by gas outlet d24
Temperature change is solved, when oil shale is heated to assigned temperature and opens check valve II 19 and close check valve III 20 that quantitative water is added,
II 19 open check valve III 20 of check valve is closed after the completion of water filling.The variation of the phenomenon that during observation oil shale pyrolysis and shale oil
The variation of yield.The device can change the conditions such as pyrolysis atmosphere, pyrolysis temperature, amount of water, oil shale partial size, probe into different items
The rule of water oxygen joint oil shale pyrolysis under part, provides theoretical direction for practical exploitation, to improve oil yield, reduces oil shale heat
Solve temperature.
The working principle of the device: gas enters in air heater 2 through feeder 1, and gas is added after heat exchange
Heat arrives assigned temperature, and into heating oil shale in the double-deck quartz reaction kettle 3, oil shale absorbs heat, when temperature reaches 300 DEG C
Kerogen in oil shale starts cracking and generates oil gas, and as the temperature rises, oil shale cracking is more abundant.Oxygen is in oil shale
Initial Stages of Pyrolysis, which provides energy, makes the kerogen cracking in oil shale, and oxidation reaction can occur with it for oxygen after generating shale gas, instead
A large amount of heat should be released, oil shale pyrolysis can be further promoted.When being pyrolyzed under containing oxygen atmosphere, initial stage needs oil shale
Extraneous supplying energy, after generating oil gas can spontaneous reaction, save energy, high financial profit.When oil shale pyrolysis temperature reaches
A small amount of water is added when certain temperature, property changes water at high temperature, can serve as catalyst during oil shale pyrolysis
Effect reduces oil shale pyrolysis temperature, improves oil yield.The oil gas of generation collects after condenser pipe 4 and cold water storage cistern 6 are cooling
The mixture of grease, shale gas, which can be collected, carries out analysis ingredient by gas chromatograph.Oil water mixture is through water-oil separating
Shale oil can be obtained after device separation.
Specific water oxygen synergy oil shale pyrolysis method comprising the steps of:
(1) oil shale sample treatment and dress sample: oil shale is crushed, screening as former state, obtains testing required granularity oil shale
Sample is put into the double-deck quartz reaction kettle 3 after drying process；
(2) piping connection: according to experiment flow figure connecting line, water oxygen synergy oil shale pyrolysis experiment dress is checked
The airtightness set；
(3) heat gas: opening feeder 1 and switch, and gas enters in air heater 2, and air heater 2 is by gas
Body is heated to oil shale pyrolysis temperature (> 300 DEG C) and enters in the double-deck quartz reaction kettle 3 afterwards；
(4) it fills the water: when temperature reaches studied pyrolysis temperature, i.e., 300 DEG C, 350 DEG C, 400 in the double-deck quartz reaction kettle 3
DEG C, a certain temperature in 450 DEG C or 500 DEG C when, open check valve II 19 and simultaneously close check valve III 20, according to the quality of oil shale
It is added a small amount of water into the double-deck quartz reaction kettle 3, the mass ratio of oil shale and water is 10:1；
(5) condensation and collection of products: the oil gas that oil shale pyrolysis generates, which is passed through after condensing unit sufficiently condenses, obtains grease
Mixture；
(6) product analysis: the oil water mixture of generation is separated, is analyzed by special instrument.
Claims (8)
1. a kind of water oxygen synergy oil shale pyrolysis experimental provision characterized by comprising feeder (1), air heating
Device (2), the double-deck quartz reaction kettle (3), electric control system (9), water filling device (30), condensation are adopted with product collection system and data
Collecting system,
The feeder (1) is gas cylinder, and feeder (1) is for providing pyrolysis gas；
The inlet end of the air heater (2) is connect with feeder (1) by pipeline I (10), and is set on pipeline I (10)
It is equipped with check valve I (15), the air inlet that the outlet side of air heater (2) passes through pipeline II (11) and the double-deck quartz reaction kettle (3)
(13) connection is managed, and is provided with check valve III (20) on pipeline II (11), air heater (2) is for heating the gases to oil
Shale pyrolysis temperature；
The electric control system (9) is connected with power supply and air heater (2) respectively by route, and electric control system (9) is used for
Adjust actual power when air heater (2) heat gas；
The water filling device (30) by filling pipe (12) be connected to air heater (2) and bilayer quartz reaction kettle (3) it
Between；
The condensation is connect by pipeline with the double-deck quartz reaction kettle (3) with product collection system, condensation and product collection system
Including condensing unit and collection of products device two parts；
The data collection system includes the first temperature sensor (14), pressure sensor (16), flowmeter (17), second temperature
Sensor (18), recording instrument without paper (7) and computer (8), the first temperature sensor (14) are arranged in the double-deck quartz reaction kettle (3)
Inner wall on, the first temperature sensor (14) is connect with recording instrument without paper (7)；Pressure sensor (16) and flowmeter (17) setting
On pipeline I (10), and pressure sensor (16) and flowmeter (17) are connect with recording instrument without paper (7)；Second temperature sensing
Device (18) is arranged on pipeline II (11), and second temperature sensor (18) is connect with recording instrument without paper (7), recording instrument without paper (7)
It is communicated to connect with computer (8).
2. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the air adds
Hot device (2) is shell and tube electric heater.
3. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the bilayer stone
The both ends lid of English reaction kettle (3) is respectively the first flange (27) and second flange (28) for having gas pipeline.
4. water oxygen synergy oil shale pyrolysis experimental provision according to claim 3, which is characterized in that the bilayer stone
It is wound with alumina silicate blanket on the outside of English reaction kettle (3), and is wound with tinfoil outside alumina silicate blanket.
5. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the gas supply dress
The gas for setting (1) storage inside is O2And N2Mixed gas.
6. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the water filling dress
Setting (30) includes with graduated syringe (29) and check valve II (19), and syringe (29) is connect with filling pipe (12), single
It is arranged to valve II (19) in the junction of syringe (29) and filling pipe (12).
7. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the pipeline II
(11), the air inlet pipe (13) of filling pipe (12) and the double-deck quartz reaction kettle (3) is spirally connected by tee tube (32).
8. water oxygen synergy oil shale pyrolysis experimental provision according to claim 1, which is characterized in that the condensation dress
It sets and is connected with the gas outlet of the double-deck quartz reaction kettle (3), condensing unit includes condenser pipe (4) and cold water storage cistern (6), condenser pipe (4)
Lower end be connected with running water pipe, the upper end of condenser pipe (4) is water outlet, and collection of products device is gas collection bottle (5) and liquid
Body receiving flask (31), fluid collection vials (31) are immersed in cold water storage cistern (6)；The shale oil gas that pyrolysis generates enters condenser pipe (4)
Inner tube after enter gas collection bottle (5) and fluid collection vials (31), tentatively collection product, cold water storage cistern (6) act under make oil
Gas sufficiently condenses.
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| CN201821666657.1U CN208872691U (en) | 2018-10-15 | 2018-10-15 | A kind of water oxygen synergy oil shale pyrolysis experimental provision |
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| CN201821666657.1U CN208872691U (en) | 2018-10-15 | 2018-10-15 | A kind of water oxygen synergy oil shale pyrolysis experimental provision |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211961A (en) * | 2018-10-15 | 2019-01-15 | 吉林大学 | A kind of water oxygen synergy oil shale pyrolysis experimental provision and its method for pyrolysis |
| CN110849765A (en) * | 2019-11-19 | 2020-02-28 | 中国石油化工股份有限公司 | Oil sample pollution-free carbonization instrument and application thereof |
-
2018
- 2018-10-15 CN CN201821666657.1U patent/CN208872691U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211961A (en) * | 2018-10-15 | 2019-01-15 | 吉林大学 | A kind of water oxygen synergy oil shale pyrolysis experimental provision and its method for pyrolysis |
| CN110849765A (en) * | 2019-11-19 | 2020-02-28 | 中国石油化工股份有限公司 | Oil sample pollution-free carbonization instrument and application thereof |
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