CN106153482B - Focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum - Google Patents
Focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum Download PDFInfo
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- CN106153482B CN106153482B CN201610548946.0A CN201610548946A CN106153482B CN 106153482 B CN106153482 B CN 106153482B CN 201610548946 A CN201610548946 A CN 201610548946A CN 106153482 B CN106153482 B CN 106153482B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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Abstract
Focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum of present invention offer, acquires the voice signal of the altitude signal, high-pressure water jet of hydraulic decoking drilling rod in decoking process on coke, carries out denoising and simultaneously stores；Establish the real-time data base of the sound of sampling time, the height of hydraulic decoking drilling rod, high-pressure water jet on coke；Using sound of the preset high-pressure water jet on coke and the relationship between hardness, it is associated with real-time data base, obtains the hardness regularity of distribution of coke drum different height focus layer；According to the hardness regularity of distribution of hardness measurement standard and coke drum different height focus layer, the hardness of online real-time display different height focus layer.Analyze the distribution of different height focus layer hardness by establishing real-time data base, can Real time displaying focus layer hardness, carry out decoking work to auxiliary direction operator, energy consumption can be reduced, shorten the decoking process time, avoids embracing the decokings accidents such as brill, bit freezing caused by the coke that collapses, reduce security risk.
Description
Technical field
The present invention relates to focus layer hardness distribution on-line analysis field, tools in petroleum chemical industry hydraulic decoking process coke drum
Body is related to focus layer hardness distribution on-line analysis in a kind of hydraulic decoking process coke drum.
Background technology
Currently, during petrochemical industry coke drum hydraulic decoking, decoking process is relatively fixed.However, due to coking raw material and
The quality of the difference of green coke technique, each green coke has difference, causes the hardness of different height focus layer in coke drum to be distributed different.
Under relatively-stationary decoking process, since enterprise technology establishment person can not predict the hardness distribution of focus layer, usually with operative employee
The repetition of people cuts coke to ensure normally to produce.This can cause water power loss huge, and devoke relatively inefficient.Also, by
The hardness distribution of different height focus layer in coke drum is not known about in operator, only carries out cutting burnt operation by rule of thumb, it can be very big
Ground occurs embracing the risk of the decoking accident such as brill, bit freezing caused by the coke that collapses during increasing hydraulic decoking, if found not in time
And it is pocessed and can cause great production and safety accident.
Invention content
The technical problem to be solved by the present invention is to：It is online to provide focus layer hardness distribution in a kind of hydraulic decoking process coke drum
Analysis method, for different height focus layer hardness in online real-time display hydraulic decoking process coke drum.
The technical solution taken by the invention to solve the above technical problem is：It is burnt in a kind of hydraulic decoking process coke drum
Layer hardness is distributed on-line analysis, it is characterised in that：It includes the following steps：
The acquisition and pretreatment of S1, signal：Acquire the altitude signal and high pressure water of hydraulic decoking drilling rod in decoking process
The voice signal being injected on coke carries out denoising to altitude signal and voice signal and stores；The coke refers to
The coke of coke inner wall of tower；
S2, real-time data base is established：Using the sampling time as sequence, establish the sampling time, corresponding hydraulic decoking drilling rod height
The real-time data base of degree, sound of the high-pressure water jet on coke；
S3, sound of the high-pressure water jet on coke and the relationship between hardness, association real-time data base, acquisition coke are utilized
The hardness regularity of distribution of charcoal tower different height focus layer；
S4, according to the hardness regularity of distribution of hardness measurement standard and the coke drum different height focus layer obtained, it is online real
When show the hardness of different height focus layer.
As stated above, the S1 is utilized using the altitude signal of hydraulic decoking drilling rod in cable transmission decoking process
Along sound letter of the equally distributed fiber F-P acoustic sensor acquisition high-pressure water jet of coke drum outer wall short transverse on coke
Number, by optical cable transmission voice signal to control centre, electric signal is demodulated by the demodulating unit positioned at control centre.
As stated above, it is added using the time as the de-coking operations flow of sequence, to obtain sampling time, corresponding decoking behaviour
Make the real-time data base of the sound of step, the height, high-pressure water jet of corresponding hydraulic decoking drilling rod on coke.
As stated above, lossless using the progress of self-adapting compressing algorithm to the data in real-time data base in the S2
Compression processing.
As stated above, in the S3, by the hardness regularity of distribution of coke drum different height focus layer, analysis petrochemical industry is every
The coke quality that secondary green coke generates.
As stated above, in the S3, the data of each decoking process are stored, and carry out lateral comparison analysis, to life
Burnt technique optimizes guidance.
As stated above, it further includes S5, the hardness according to the different height focus layer of online real-time display, instructs operative employee
People carries out decoking work.
Beneficial effects of the present invention are：
1, it is distributed come on-line analysis different height focus layer hardness by establishing real-time data base, and Real time displaying focus layer is hard
Degree, according to the real-time focus layer hardness of display, auxiliary direction operator carries out decoking work, can reduce energy consumption, shortens decoking
Activity duration avoids embracing the decokings accidents such as brill, bit freezing caused by the coke that collapses, reduces security risk；Real-time of the present invention is good, especially
Suitable for requirement of real-time higher Industry Control scene.
2, by optical fiber sensor, the passive propagation of signal is realized, water failure may be met by avoiding electrical sensor,
Reduce the installation requirement of sensor.
3, since the data that real-time data base generates are magnanimity, lossless pressure is carried out to data using self-adapting compressing algorithm
Contracting is handled, and can reject repetition or extra data, saves memory space.
4, by the method for the invention, horizontal and vertical extension can also be carried out, petrochemical iy produced personnel is helped to analyze green coke
The changing rule of process optimizes guidance to green coke technique.
Description of the drawings
Fig. 1 is the method flow diagram of one embodiment of the invention.
Specific implementation mode
With reference to specific example and attached drawing, the invention will be further described.
Focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum of present invention offer, as shown in Figure 1,
Include the following steps：
The acquisition and pretreatment of S1, signal：Acquire the altitude signal and high pressure water of hydraulic decoking drilling rod in decoking process
The voice signal being injected on coke carries out denoising to altitude signal and voice signal and stores；The coke refers to
The coke of coke inner wall of tower.
S2, real-time data base is established：Using the sampling time as sequence, establish the sampling time, corresponding hydraulic decoking drilling rod height
The real-time data base of degree, sound of the high-pressure water jet on coke.
In the present embodiment, manage real time data one group is write under 2010 platforms of Microsoft Visual Studio
Program may be implemented definition to real time data, modification by this group of program, inquire and lay down a regulation, and then establishes a reality
When database.
S3, sound of the high-pressure water jet on coke and the relationship between hardness, association real-time data base, acquisition coke are utilized
The hardness regularity of distribution of charcoal tower different height focus layer.It is detailed, pass through the place to hydraulic decoking status data in real-time data base
Reason obtains the characteristic information of focus layer hardness in coke drum, analyzes characteristic parameter, petrochemical industry green coke technological parameter index and field working conditions,
Obtain the hardness regularity of distribution of different height focus layer in the tower.
Herein, the relationship between sound and hardness of the preset high-pressure water jet on coke, according to test result and behaviour
The experience for making worker is configured, and can also be carried out continuing to optimize adjustment according to historical data.
S4, according to the hardness regularity of distribution of hardness measurement standard and the coke drum different height focus layer obtained, it is online real
When show the hardness of different height focus layer.
Preferably, it further includes S5, the hardness according to the different height focus layer of online real-time display, instruct operator into
Row decoking work.If specifically, finding that the hardness of present level focus layer is harder, drill bit here more to stay for some time；If
It was found that the hardness of present level focus layer is softer, then drill bit stays for some time less here.
Preferably, the S1 utilizes the altitude signal of hydraulic decoking drilling rod in cable transmission decoking process, using along coke
Voice signal of the equally distributed fiber F-P acoustic sensor acquisition high-pressure water jet of charcoal tower outer wall short transverse on coke,
By optical cable transmission voice signal to control centre, electric signal is demodulated by the demodulating unit positioned at control centre.Electric signal passes through
Cross denoising（Such as Wavelet Denoising Method principle etc.）Afterwards, it acquires and stores by data collecting card.
Preferably, it in the S2, is added using the time as the de-coking operations flow of sequence, to obtain sampling time, correspondence
Sound on coke of de-coking operations step, the height, high-pressure water jet of corresponding hydraulic decoking drilling rod real-time data base.
More specifically, S2 includes i. definition, according to the information for the reflection coke state that processing in step S2 obtains, in Microsoft
The management tool of real-time data base is used under 2010 platforms of Visual Studio, the data of all acquisitions are categorizedly fixed
Justice is entered；Ii. change, in the operational process of real-time data base, by real-time data base provide the specific data of function pair into
Row write operation；Iii. it inquires, in the operational process of real-time data base, the function pair provided by real-time data base specifically counts
According to being read；Iv. it lays down a regulation, by the management tool of real-time data base, number in real time is written into de-coking operations flow
According to library, a rule logic rules are formed.
Herein, de-coking operations flow is the flow of those skilled in the art's routine, is specifically included：Uncap, drill, reaming,
Brill is carried, coke is cut, sweeps the several steps of tower.When practical operation, according to the height of current de-coking operations step and hydraulic decoking drilling rod
Degree, sound of the high-pressure water jet on coke preferably know the decoking work of operator which kind of operation judged to need.
Preferably, in the S2, lossless compression is carried out using self-adapting compressing algorithm to the data in real-time data base
Processing.
It further expands, in the S3, by the hardness regularity of distribution of coke drum different height focus layer, analyzes petrochemical industry
The coke quality that each green coke generates.
It is further expansible, in the S3, the data of each decoking process are stored, and carry out lateral comparison analysis,
Guidance is optimized to green coke technique.
Above example is merely to illustrate the design philosophy and feature of the present invention, and its object is to make technology in the art
Personnel can understand the content of the present invention and implement it accordingly, and protection scope of the present invention is not limited to the above embodiments.So it is all according to
According to equivalent variations or modification made by disclosed principle, mentality of designing, within protection scope of the present invention.
Claims (6)
1. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum, it is characterised in that：It includes following
Step：
The acquisition and pretreatment of S1, signal：Acquire the altitude signal and high-pressure water jet of hydraulic decoking drilling rod in decoking process
Voice signal on coke carries out denoising to altitude signal and voice signal and stores；The coke refers to coke
The coke of inner wall of tower；
S2, real-time data base is established：Using the sampling time as sequence, sampling time, the height of corresponding hydraulic decoking drilling rod, height are established
Press the real-time data base of sound of the water injection on coke；
S3, sound of the high-pressure water jet on coke and the relationship between hardness, association real-time data base, acquisition coke drum are utilized
The hardness regularity of distribution of different height focus layer；
S4, according to the hardness regularity of distribution of hardness measurement standard and the coke drum different height focus layer obtained, it is online aobvious in real time
Show the hardness of different height focus layer；
The S1 utilizes the altitude signal of hydraulic decoking drilling rod in cable transmission decoking process, using along coke drum outer wall height
Voice signal of the equally distributed fiber F-P acoustic sensor acquisition high-pressure water jet in direction on coke, passes through optical cable transmission
Voice signal is demodulated into electric signal to control centre, by the demodulating unit positioned at control centre.
2. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum according to claim 1,
It is characterized in that：In the S2, it is added using the time as the de-coking operations flow of sequence, to obtain sampling time, corresponding decoking
The real-time data base of the sound of operating procedure, the height, high-pressure water jet of corresponding hydraulic decoking drilling rod on coke.
3. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum according to claim 1 or 2,
It is characterized in that：In the S2, lossless compression processing is carried out using self-adapting compressing algorithm to the data in real-time data base.
4. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum according to claim 3,
It is characterized in that：In the S3, by the hardness regularity of distribution of coke drum different height focus layer, each green coke of analysis petrochemical industry generates
Coke quality.
5. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum according to claim 3,
It is characterized in that：In the S3, the data of each decoking process are stored, and carry out lateral comparison analysis, green coke technique is carried out
Optimization guidance.
6. focus layer hardness is distributed on-line analysis in a kind of hydraulic decoking process coke drum according to claim 1,
It is characterized in that：It further includes S5, the hardness according to the different height focus layer of online real-time display, and operator is instructed to devoke
Work.
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| CN109507055B (en) * | 2019-01-14 | 2021-05-28 | 航天精工股份有限公司 | Method for measuring hardness distribution of fastener |
| CN110261313A (en) * | 2019-05-06 | 2019-09-20 | 武汉理工大学 | A kind of distributed optical fiber acoustic sensor-based system for monitoring coke drum operation conditions on-line |
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