CN109115989A - A method of oil shale feasibility is exploited in verifying microwave heating - Google Patents
A method of oil shale feasibility is exploited in verifying microwave heating Download PDFInfo
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- CN109115989A CN109115989A CN201810873671.7A CN201810873671A CN109115989A CN 109115989 A CN109115989 A CN 109115989A CN 201810873671 A CN201810873671 A CN 201810873671A CN 109115989 A CN109115989 A CN 109115989A
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- microwave heating
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/24—Earth materials
Abstract
The present invention relates to a kind of methods of verifying microwave heating exploitation oil shale feasibility, belong to energy technology field.This method comprises: providing multiple test oil shales, under different test conditions, microwave heating is carried out to each test oil shale, and analysis test is carried out to the product after microwave heating.It proves the feasibility of microwave radiation exploitation oil shale, and provides theoretical direction for the technique.
Description
Technical field
The invention belongs to energy technology fields, and in particular to a kind of side of verifying microwave heating exploitation oil shale feasibility
Method.
Background technique
Oil shale (also known as oil shale) is a kind of high-ash sedimentary rock containing flammable organic matter.The main region of it and coal
Be not ash content it is more than 40%, is that oil content is greater than 3.5% with the culmiferous main distinction.Oil shale belongs to unconventional oil and gas money
Source is listed in 21 century and very important is taken over the energy with resourceful and development and utilization feasibilities.
Existing oil shale recovery liquefaction technology is after oil shale recovery is gone out ground, by process units destructive distillation liquefaction come
It realizes.Ground destructive distillation uses two methods of direct heat transfer and indirect heat transfer, and direct heat transfer is faster than indirect heat transfer speed, efficiency
Height, therefore, the application of the mode of heat carrier and oil shale direct contact heat transfer are more extensive.However, existing mining method is still
So there is problems, for example, strip mining transformation occupies a large amount of soils, heavy workload is costly, larger to the pollution of environment
Deng.Therefore, either from the perspective of collecting efficiency or environmental protection, the method for developing the in-situ retorting of underground is imperative.
Wherein, microwave heating is one of the in-situ retorting method to grow up at present, but the technology of microwave heating in-situ retorting oil shale
Current not yet full maturity, it is also necessary to more theoretical directions, in consideration of it, special propose the application.
Summary of the invention
In consideration of it, the purpose of the present invention is to provide a kind of method of verifying microwave heating exploitation oil shale feasibility, with
Effectively improve the above problem.
The embodiment of the present invention is achieved in that
A method of oil shale feasibility is exploited in verifying microwave heating comprising:
Multiple test oil shales are provided, under different test conditions, microwave heating are carried out to each test oil shale, and right
Product after microwave heating carries out analysis test.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to each test oil shale, obtains half
Burnt solid, and analysis test is carried out to semicoke solid.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to each test oil shale, obtains half
During burnt solid, the power of microwave heating is 600~1000W, and temperature is 500~800 DEG C, and the time is 30~90min.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to each test oil shale, obtains half
During burnt solid, it is gradually reduced the power of microwave heating, while gradually increasing temperature.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to each test oil shale, obtains half
It is first 600W in power, temperature is to heat 30min at 750 DEG C during burnt solid；It is again 800W, temperature 650 in power
20min is heated at DEG C；It is finally 1000W in power, temperature is to heat 10min at 550 DEG C.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to semicoke solid, obtains shale oil
Liquid, and analysis test is carried out to shale oil liquid.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to semicoke solid, obtains shale oil liquid
During, the power of microwave heating is 600~1000W, and temperature is 500~800 DEG C, and the time is 30~90min.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to semicoke solid, obtains shale oil liquid
During, it is first 600W in power, temperature is to heat 30min at 550 DEG C；It is again 800W in power, temperature is to add at 650 DEG C
Hot 20min；It is finally 1000W in power, temperature is to heat 10min at 750 DEG C.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to shale oil liquid, obtains hydro carbons gas
Body, and analysis test is carried out to hydrocarbon gas.
Further, in the other preferred embodiments of the present invention, microwave heating is carried out to shale oil liquid, obtains hydrocarbon gas
During, the power of microwave heating is 600~1000W, and temperature is 300~800 DEG C, and the time is 30~90min.
The beneficial effect of the embodiment of the present invention is:
Method provided in an embodiment of the present invention using oil shale verifying oil shale microwave exploitation, comprising: multiple surveys are provided
Formation testing shale carries out microwave heating to each test oil shale, and to the production after microwave heating under different test conditions
Object, including solid semicoke, liquid shale oil and hydrocarbon gas, carry out analysis test.Prove microwave radiation exploitation oil shale
Feasibility, and theoretical direction is provided for the technique.
Other features and advantages of the present invention will be illustrated in subsequent specification, also, partly be become from specification
It is clear that being understood by implementing the embodiment of the present invention.The objectives and other advantages of the invention can be by written
Specifically noted structure is achieved and obtained in specification, claims and attached drawing.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of process of the method for verifying microwave heating exploitation oil shale feasibility provided by the embodiment of the present invention
Figure.
Specific embodiment
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention
Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, according to normal conditions or manufacturer builds
The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase
Product.
A kind of method of verifying microwave heating exploitation oil shale feasibility of the embodiment of the present invention is carried out specifically below
It is bright.
The application research people has found that existing oil shale recovery liquefaction technology is by oily page during studying the application
After rock produces ground, realized by process units destructive distillation liquefaction.Ground destructive distillation uses direct heat transfer and indirect heat transfer two
Kind method, and direct heat transfer is faster than indirect heat transfer speed, high-efficient, therefore, the side of heat carrier and oil shale direct contact heat transfer
The application of formula is more extensive.However, existing mining method remains problems, for example, strip mining transformation occupies greatly
Soil is measured, heavy workload is costly, larger to the pollution of environment etc..Therefore, either from collecting efficiency, or the angle of environmental protection
From the point of view of degree, the method for developing the in-situ retorting of underground is imperative.Wherein, microwave heating is the in-situ retorting to grow up at present
One of method, but the technology of microwave heating in-situ retorting oil shale not yet full maturity at present, it is also necessary to more theoretical directions,
In consideration of it, special propose the application.
For defect present in above scheme, be inventor being obtained after practicing and carefully studying as a result,
Therefore, the discovery procedure of the above problem and the solution that hereinafter embodiment of the present invention is proposed regarding to the issue above, all
It should be the contribution that inventor makes the present invention in process of the present invention.
In consideration of it, providing a kind of method of verifying microwave heating exploitation oil shale feasibility in the present embodiment comprising.
Multiple test oil shales are provided, under different test conditions, microwave heating are carried out to each test oil shale, and right
Product after microwave heating carries out analysis test.
Further, multiple test oil shales are provided, under different test conditions, each test oil shale are carried out different
The microwave heating of degree, making its pyrolysis is semicoke solid, shale oil liquid and hydrocarbon gas, and is analyzed for different products
Test.Its detailed process and test method are shown referring to Fig.1.
Wherein, the same batch oil shale of each test oil shale in multiple test oil shales obtains after being split
Multiple test oil shales.
A kind of method of verifying microwave heating exploitation oil shale feasibility provided by the embodiment of the present invention, comprising:
S1. microwave heating is carried out to each test oil shale, obtains semicoke solid, and analysis survey is carried out to semicoke solid
Examination.
It wherein, include total rock analysis, clay combining, scanning electron microscope analysis, power spectrum to the analysis test of semicoke solid
At least one of analysis.
Optionally, microwave heating, during obtaining semicoke solid, the function of microwave heating are carried out to each test oil shale
Rate is 600~1000W, and temperature is 500~800 DEG C, and the time is 30~90 min.
Optionally, microwave heating is carried out to each test oil shale and is gradually reduced microwave during obtaining semicoke solid
The power of heating, while gradually increasing temperature.
Optionally, microwave heating is carried out to each test oil shale, during obtaining semicoke solid, is first in power
600W, temperature are to heat 30min at 750 DEG C；It is again 800 W in power, temperature is to heat 20min at 650 DEG C；Finally in power
For 1000W, temperature is to heat 10min at 550 DEG C.
The above process in order to facilitate understanding can be understood in conjunction with test data shown in table 1.
Table 1
Further, a kind of method of verifying microwave heating exploitation oil shale feasibility provided by the embodiment of the present invention,
Further include:
S2. microwave heating is carried out to semicoke solid, obtains shale oil liquid, and analysis test is carried out to shale oil liquid.
Wherein, to the analysis of shale oil liquid test include infrared spectrum analysis, four component analyses, in elemental analysis at least
It is a kind of.
Optionally, microwave heating is carried out to semicoke solid, during obtaining shale oil liquid, the power of microwave heating is
600~1000W, temperature are 500~800 DEG C, and the time is 30~90min.
Optionally, microwave heating is carried out to each semicoke solid, during obtaining semicoke solid, is gradually increased microwave and adds
The power of heat, while gradually increasing temperature.
Optionally, microwave heating is carried out to each semicoke solid, during obtaining shale oil liquid, is first in power
600W, temperature are to heat 30min at 550 DEG C；It is again 800W in power, temperature is to heat 20min at 650 DEG C；Finally in power
For 1000W, temperature is to heat 10min at 750 DEG C.
The above process in order to facilitate understanding can be understood in conjunction with test data shown in table 2.
Table 2
Further, a kind of method of verifying microwave heating exploitation oil shale feasibility provided by the embodiment of the present invention,
Further include:
S3. microwave heating is carried out to shale oil liquid, obtains hydrocarbon gas, and analysis test is carried out to hydrocarbon gas.
It wherein, include that gas chromatography-mass spectrography is analyzed to the analysis test of hydrocarbon gas, for measuring the hydrocarbon such as C1-C6
The volume fraction of class gas.
Optionally, microwave heating is carried out to shale oil liquid, during obtaining shale oil liquid, the power of microwave heating is
600~1000W, temperature are 500~800 DEG C, and the time is 30~90min.
Optionally, microwave heating is carried out to each test oil shale, during obtaining hydrocarbon gas, is gradually increased microwave
The power of heating, while gradually increasing temperature.
Optionally, microwave heating is carried out to each test oil shale, during obtaining hydrocarbon gas, is first in power
600W, temperature are to heat 30min at 350~450 DEG C；It is again 800W in power, temperature is to heat 20min at 450~550 DEG C；
It is again 1000W in power, temperature is to heat 10min at 550~650 DEG C；It is finally 1000W in power, temperature is 650~750
10min is heated at DEG C.
The above process in order to facilitate understanding can be understood in conjunction with test data shown in table 3.
Table 3
Wherein, it should be strongly noted that the power of above-mentioned signal such as, 1000W, 1200W, 1400W, 1600W etc. are not
It can be understood as being the limitation to the application, as long as the microwave power selected is equal to any value between 2000W in 1000W
It can.Similarly, the time of above-mentioned signal, such as 10s, 15s, 20s, 30s can not be understood as being the limitation to the application, as long as
In the reasonable scope, it should be included in the application scope of the claimed.
It should be noted that all the embodiments in this specification are described in a progressive manner, each embodiment weight
Point explanation is the difference from other embodiments, and the same or similar parts between the embodiments can be referred to each other.
In several embodiments provided herein, it should be understood that disclosed method, it can also be by others side
Formula is realized.Embodiment of the method described above is only schematical, for example, the flow chart in attached drawing is shown according to this hair
The architecture, function and operation in the cards of the method for bright multiple embodiments.It should also be noted that at some as replacement
Implementation in, function marked in the box can also occur in a different order than that indicated in the drawings.For example, two
Continuous box can actually be basically executed in parallel, they can also be executed in the opposite order sometimes, this is according to involved
Function depending on.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including element.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of method of verifying microwave heating exploitation oil shale feasibility characterized by comprising
Multiple test oil shales are provided, under different test conditions, microwave heating are carried out to each test oil shale, and right
Product after microwave heating carries out analysis test.
2. the method according to claim 1, wherein including:
Microwave heating is carried out to each test oil shale, obtains semicoke solid, and analysis survey is carried out to the semicoke solid
Examination.
3. according to the method described in claim 2, it is characterized in that, being obtained to each test oil shale progress microwave heating
During the semicoke solid, the power of microwave heating is 600~1000W, and temperature is 500~800 DEG C, the time is 30~
90min。
4. according to the method described in claim 3, it is characterized in that, being obtained to each test oil shale progress microwave heating
During the semicoke solid, it is gradually reduced the power of microwave heating, while gradually increasing temperature.
5. according to the method described in claim 4, it is characterized in that, being obtained to each test oil shale progress microwave heating
It is first 600W in power, temperature is to heat 30min at 750 DEG C during the semicoke solid；It is again 800W in power,
Temperature is to heat 20min at 650 DEG C；It is finally 1000W in power, temperature is to heat 10min at 550 DEG C.
6. according to the method described in claim 5, it is characterized in that, obtaining shale to semicoke solid progress microwave heating
Oil liquid, and analysis test is carried out to the shale oil liquid.
7. according to the method described in claim 6, it is characterized in that, being obtained described to semicoke solid progress microwave heating
During shale oil liquid, the power of microwave heating is 600~1000W, and temperature is 500~800 DEG C, and the time is 30~90min.
8. being obtained described the method according to the description of claim 7 is characterized in that carrying out microwave heating to the semicoke solid
It is first 600W in power, temperature is to heat 30min at 550 DEG C during shale oil liquid；It is again 800W in power, temperature is
20min is heated at 650 DEG C；It is finally 1000W in power, temperature is to heat 10min at 750 DEG C.
9. according to the method described in claim 8, it is characterized in that, obtaining hydro carbons to shale oil liquid progress microwave heating
Gas, and analysis test is carried out to the hydrocarbon gas.
10. according to the method described in claim 9, it is characterized in that, being obtained described to shale oil liquid progress microwave heating
During hydrocarbon gas, the power of microwave heating is 600~1000W, and temperature is 300~800 DEG C, and the time is 30~90min.
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| CN111594119A (en) * | 2020-06-30 | 2020-08-28 | 西南石油大学 | Method for producing oil shale through microwave step-down in-situ heating |
| CN112852470A (en) * | 2021-01-13 | 2021-05-28 | 辽宁工程技术大学 | Method for dry distillation of oil shale on ground |
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Application publication date: 20190101 |