CN109557870B - Intelligent multi-stage air flotation automatic monitoring and adjusting system - Google Patents
Intelligent multi-stage air flotation automatic monitoring and adjusting system Download PDFInfo
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- CN109557870B CN109557870B CN201710881456.7A CN201710881456A CN109557870B CN 109557870 B CN109557870 B CN 109557870B CN 201710881456 A CN201710881456 A CN 201710881456A CN 109557870 B CN109557870 B CN 109557870B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
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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
- G01N33/18—Water
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Abstract
The invention relates to the field of oil fields, in particular to an intelligent multi-stage air floatation automatic monitoring and adjusting system. The system comprises a pipeline system, wherein the pipeline system comprises a plurality of valves, the pipeline system comprises a water inlet and a water outlet, the valves are positioned in the pipeline system between the water inlet and the water outlet, and the valves are in communication connection with a CPU; the opening and closing conditions of the valves can be controlled remotely, pipelines where the water inlets and the water outlets are located respectively comprise a turbidity detection structure and an oil content detection structure, the turbidity detection structure and the oil content detection structure are in communication connection with a CPU (central processing unit), the opening and closing conditions of the valves are controlled in a combined mode, turbidity information and oil content confidence of the water inlets and the water outlets under various valve opening combinations are recorded, and a database is formed; automatically optimizing the opening combination according to the effluent quality, and automatically importing the successful data into a database, so that the regulation level and speed of the system on the specific water quality are continuously improved until the effluent quality meets the requirements; the probe measures the water quality, the program optimizes the opening degree of each valve, and the opening degree adjustment of the valves is realized through the PLC.
Description
Technical Field
The invention relates to the field of oil fields, in particular to an intelligent multi-stage air floatation automatic monitoring and adjusting system.
Background
The defects of the prior art are as follows:
the valves of the oil field system are more, and people need to operate the valves on site, so that the time and the labor are consumed, mistakes are easy to make, and the fine production is difficult to realize.
Disclosure of Invention
The purpose of the invention is as follows: in order to provide an intelligent multi-stage air floatation automatic monitoring and adjusting system with better effect, the specific purpose is to see a plurality of substantial technical effects of the specific implementation part.
In order to achieve the purpose, the invention adopts the following technical scheme:
the intelligent multi-stage air floatation automatic monitoring and adjusting system is characterized by comprising a three-stage dissolved air floatation structure, a first-stage dissolved air floatation structure, a second-stage dissolved air floatation structure and a third-stage dissolved air floatation structure; the three-stage air floatation can increase the flow of water flow and block air floatation impurities; two methods of bubble generation are included: the method comprises the following steps of (1) jetting or dissolved air flotation, wherein the dissolved air flotation refers to that gas is pressurized firstly and then placed in low-pressure water to release bubbles; and monitoring the water quality in the process of three-stage air floating, and controlling a valve to predict the bubble occurrence condition.
The invention further adopts the technical scheme that the control valve controls air inflow, the amount of bubbles can be adjusted through the air inflow, the first-stage dissolved air flotation structure comprises a dissolved air water pipe and a water pipe to be treated, the dissolved air water pipe and the water pipe to be treated are intersected, a pipeline after the intersection is connected into the second-stage dissolved air flotation structure, the second-stage dissolved air flotation structure comprises an electric valve and a flowmeter, the pipeline passes through the electric valve and the flowmeter and then is connected into a dissolved air water pipe type releaser in a second-stage dissolved air space, the dissolved air water pipe type releaser is in a pipeline type, and the pipeline type structure comprises a plurality of holes; the exit linkage third level of second level dissolves gas air supporting structure, and the third level dissolves gas air supporting structure contains the compressed air import, contains relief pressure valve and tertiary flowmeter on the pipeline of compressed air access connection, and the pipeline intercommunication in tertiary flowmeter back side inserts the aeration pipe in the tertiary treatment vessel.
The invention further adopts the technical scheme that the system comprises a pipeline system, wherein the pipeline system comprises a plurality of valves, the pipeline system comprises a water inlet and a water outlet, the valves are positioned in the pipeline system between the water inlet and the water outlet, and the valves are in communication connection with a CPU; the opening and closing conditions of the valves can be remotely regulated, the turbidity of water in the pipeline where the water inlet and the water outlet are located is detected, the turbidity detection information is fed back to the CPU, the opening and closing conditions of the valves are regulated and controlled in a combined mode, and the CPU regulates the opening degree of the valves according to the feedback information, so that the regulation level and speed of the system for specific water quality are continuously improved until the water quality of the outlet water meets the requirements; the probe is used for measuring the water quality and the opening degree of each valve of a program, and the opening degree of each valve is adjusted through the PLC.
The invention further adopts the technical scheme that the CPU records turbidity information and oil content confidence of the water inlet and the water outlet under various valve opening combinations to form a database; and automatically optimizing the opening combination according to the effluent quality, and automatically importing the successful data into a database.
The invention has the further technical scheme that the pipeline comprises an arc-shaped pipeline, the front end and the rear end of the arc-shaped pipeline are inserted into the pipeline, the front end is positioned at the central part of the pipeline, a light emitting structure is arranged below the arc-shaped pipeline and faces to the transparent part of the arc-shaped pipeline, and an illumination sensor is arranged above the arc-shaped pipeline and is in communication connection with a CPU.
The invention has the further technical scheme that the light emitting structure is connected with a power supply.
The invention further adopts the technical scheme that the aeration pipe is a pipeline with a plurality of holes.
The invention has the further technical scheme that the plurality of holes are downward opened.
Compared with the prior art, the invention adopting the technical scheme has the following beneficial effects: the mapping relation between the opening degree and the treatment effect of each level of the multistage air floatation valve is obtained through tests, reasonable opening degree combinations are selected through software for monitoring the water quality of inlet water, and the opening degree combinations are automatically optimized according to the water quality of outlet water (an intelligent learning system automatically guides successful data into a database, so that the regulation level and speed of the system on specific water quality are continuously improved) until the water quality of outlet water meets the requirements. The probe measures the water quality, the program optimizes the opening degree of each valve, and the opening degree adjustment of the valves is realized through the PLC.
Drawings
To further illustrate the present invention, further description is provided below with reference to the accompanying drawings:
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an implementation of one of the arrangements;
wherein: 1. a pipeline; 2. an inlet; 3. a light emitting structure; 4. a transparent portion; 5. an illumination sensor; 6. a wire; 7. and (7) an outlet.
Detailed Description
Embodiments of the present invention will now be described with reference to the accompanying drawings, which are not intended to limit the invention:
the intelligent multi-stage air floatation automatic monitoring and adjusting system is characterized by comprising a pipeline system, wherein the pipeline system comprises a plurality of valves, the pipeline system comprises a water inlet and a water outlet, the valves are positioned in the pipeline system between the water inlet and the water outlet, and the valves are in communication connection with a CPU; the opening and closing conditions of the valves can be controlled remotely, pipelines where the water inlets and the water outlets are located respectively comprise a turbidity detection structure and an oil content detection structure, the turbidity detection structure and the oil content detection structure are in communication connection with a CPU (central processing unit), the opening and closing conditions of the valves are controlled in a combined mode, turbidity information and oil content confidence of the water inlets and the water outlets under various valve opening combinations are recorded, and a database is formed; automatically optimizing the opening combination according to the effluent quality, and automatically importing the successful data into a database, so that the regulation level and speed of the system on the specific water quality are continuously improved until the effluent quality meets the requirements; the probe measures the water quality, the program optimizes the opening degree of each valve, and the opening degree adjustment of the valves is realized through the PLC. The technical scheme of the invention has the following substantial technical effects and the realization process: the mapping relation between the opening degree and the treatment effect of each level of multi-level air floatation valve is obtained through tests, reasonable opening degree combinations are selected through software for monitoring the quality of inlet water, and the opening degree combinations are automatically optimized according to the quality of outlet water (an intelligent learning system automatically guides data after success into a database, so that the regulation level and speed of the system on specific water quality are continuously improved), for example, a plurality of groups of empirical data are formed, a group of opening degrees with the shortest water quality treatment effect time when the valve is opened is selected, and the quality of outlet water meets the requirements. The probe measures the water quality, the program optimizes the opening degree of each valve, and the opening degree adjustment of the valves is realized through the PLC.
The three-stage dissolved air flotation structure is characterized by comprising a first-stage dissolved air flotation structure, a second-stage dissolved air flotation structure and a third-stage dissolved air flotation structure; the first-stage dissolved air floatation structure comprises a dissolved air water pipe and a water pipe to be treated, the dissolved air water pipe and the water pipe to be treated are intersected, a pipeline after intersection is connected into the second-stage dissolved air floatation structure, the second-stage dissolved air floatation structure comprises an electric valve and a flowmeter, the pipeline passes through the electric valve and the flowmeter and then is introduced into a dissolved air water pipe type releaser in a second-stage dissolved air space, the dissolved air water pipe type releaser is in a pipeline type, and the pipeline type structure comprises a plurality of holes; the exit linkage third level of second level dissolves gas air supporting structure, and the third level dissolves gas air supporting structure contains the compressed air import, contains relief pressure valve and tertiary flowmeter on the pipeline of compressed air access connection, and the pipeline intercommunication in tertiary flowmeter back side inserts the aeration pipe in the tertiary treatment vessel. The technical scheme of the invention has the following substantial technical effects and the realization process: preferably, the dissolved air water is gradually mixed with the sewage to be treated in 3 stages, and the first-stage dissolved air water enters the water pipeline to be treated through the pipeline at an angle of 90 degrees and is directly mixed; in the second stage, a dissolved gas water pipe type releaser is adopted to form a bubble wall on the cross section of the water tank to intercept micro flocs; and the third stage forms lifting bubbles through a belt type aeration pipe to prevent large flocs from settling.
As a further preference, the aeration pipe is a pipe with a plurality of holes opened thereon. The plurality of holes are downward-facing. The technical scheme of the invention has the following substantial technical effects and the realization process: fully make gas directly blow out downwards, have bigger contact surface for the aeration effect is better.
As further preferred, this patent is preferred to adopt telex flowmeter and electric ball valve, through each way flow of PLC automatic control, convenient regulation.
Creatively, the above effects exist independently, and the combination of the above results can be completed by a set of structure.
Combine fig. 2, contain an arcuate pipeline on the pipeline, the front end and the rear end of arcuate pipeline all insert the pipeline in, and the front end is located the central point of pipeline, and arcuate pipeline below contains the light structure, and the light structure is facing to the transparent portion of arcuate pipeline, and the top of arcuate pipeline contains light sensor, light sensor communication connection CPU. The technical scheme of the invention has the following substantial technical effects and the realization process: liquid in the pipeline has certain velocity of flow, and the front end of curved pipeline is got into to the liquid that flows, because the relation of velocity of flow later, directly dashes the curved middle part along with inertia, and the light structure jets out the light of fixed intensity this moment, and the illumination intensity of transparent part is measured to the light sensor, feeds back to CPU, and when the turbidity is big more, the illumination intensity that detects is less, consequently just need reduce the valve aperture to carry out a large amount of air supporting purifications. The structure utilizes the inertia of water to continuously sample without power sampling, can monitor the turbidity in the pipeline at any time, and provides basic information for the opening degree of the valve. The light emitting structure is connected with a power supply.
Adopt this structure, handle the oily sewage of same appearance volume, the time is about two-thirds of original fixed valve aperture, and need not artificially take a sample at any time, uses manpower sparingly and cost, and more environmental protection ensures water treatment's effect, realizes the combination of efficiency and effect.
The technical effect that above structure was realized realizes clearly, if do not consider additional technical scheme, this patent name can also be a valve system. Some details are not shown in the figures.
It should be noted that the plurality of schemes provided in this patent include their own basic schemes, which are independent of each other and are not restricted to each other, but they may be combined with each other without conflict, so as to achieve a plurality of effects.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and the invention is to be limited to the embodiments described above.
Claims (6)
1. The intelligent multi-stage air floatation automatic monitoring and adjusting system is characterized by comprising a first-stage dissolved air floatation structure, a second-stage dissolved air floatation structure and a third-stage dissolved air floatation structure; the three-stage air floatation can increase the flow of water flow and block air floatation impurities; two methods of bubble generation are included: the method comprises the following steps that (1) pipeline jet flow or a gas-liquid mixing pump is used for dissolving gas, wherein dissolved gas floatation refers to that gas is pressurized firstly and then placed in low-pressure water for releasing bubbles; monitoring the water quality in the process of three-stage air flotation, and controlling a valve to predict the bubble occurrence condition;
the control valve is used for controlling air inflow, the amount of bubbles can be adjusted through the air inflow, the first-stage dissolved air flotation structure comprises a dissolved air water pipe and a water pipe to be treated, the dissolved air water pipe and the water pipe to be treated are intersected, a pipeline after intersection is connected into the second-stage dissolved air flotation structure, the second-stage dissolved air flotation structure comprises an electric valve and a flowmeter, the pipeline passes through the electric valve and the flowmeter and then is connected into a dissolved air water pipe type releaser in a second-stage dissolved air space, the dissolved air water pipe type releaser is in a pipeline type, and the pipeline type structure comprises a plurality of holes; the outlet of the second-stage dissolved air flotation structure is connected with a third-stage dissolved air flotation structure, the third-stage dissolved air flotation structure comprises a compressed air inlet, a pipeline connected with the compressed air inlet comprises a pressure reducing valve and a third-stage flowmeter, and a pipeline behind the third-stage flowmeter is communicated with an aerator pipe connected into a third-stage treatment container;
the intelligent multi-stage air floatation automatic monitoring and adjusting system also comprises a pipeline system, wherein the pipeline system comprises a plurality of valves, the pipeline system comprises a water inlet and a water outlet, the valves are positioned in the pipeline system between the water inlet and the water outlet, and the valves are in communication connection with the CPU; the opening and closing conditions of the valves can be remotely regulated, the turbidity of water in the pipeline where the water inlet and the water outlet are located is detected, the turbidity detection information is fed back to the CPU, the opening and closing conditions of the valves are regulated and controlled in a combined mode, and the CPU regulates the opening degree of the valves according to the feedback information, so that the regulation level and speed of the system for specific water quality are continuously improved until the water quality of the outlet water meets the requirements; the probe is used for measuring the water quality and the opening degree of each valve of a program, and the opening degree of each valve is adjusted through the PLC.
2. The intelligent multi-stage air-float automatic monitoring and regulating system as claimed in claim 1, wherein said CPU records turbidity information and oil content information of water inlet and outlet under various valve opening combinations to form a database; and automatically optimizing the opening combination according to the effluent quality, and automatically importing the data into a database.
3. The intelligent multi-stage air-flotation automatic monitoring and adjusting system as claimed in claim 1, wherein the pipeline comprises an arc-shaped pipeline, the front end and the rear end of the arc-shaped pipeline are inserted into the pipeline, the front end is located at the center of the pipeline, the lower part of the arc-shaped pipeline comprises a light emitting structure, the light emitting structure faces the transparent part of the arc-shaped pipeline, the upper part of the arc-shaped pipeline comprises a light sensor, and the light sensor is in communication connection with the CPU.
4. The intelligent multi-stage air flotation automatic monitoring and adjusting system as claimed in claim 3, wherein the light emitting structure is connected to a power source.
5. The intelligent multi-stage air-flotation automatic monitoring and adjusting system as claimed in claim 1, wherein the aeration pipe is a pipe with a plurality of holes opened thereon.
6. The intelligent multi-stage air flotation automatic monitoring and conditioning system as claimed in claim 1, wherein said plurality of holes are open downward.
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| CN201710881456.7A CN109557870B (en) | 2017-09-26 | 2017-09-26 | Intelligent multi-stage air flotation automatic monitoring and adjusting system |
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| CN201710881456.7A CN109557870B (en) | 2017-09-26 | 2017-09-26 | Intelligent multi-stage air flotation automatic monitoring and adjusting system |
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| CN109557870B true CN109557870B (en) | 2021-11-30 |
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| CN1318314C (en) * | 2005-05-08 | 2007-05-30 | 西安交通大学 | Integrated dynamic balance treating method for oily sewage and apparatus thereof |
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| TWI648223B (en) * | 2015-10-29 | 2019-01-21 | 富鈞水資股份有限公司 | Sewage treatment monitoring system |
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| CN1687746A (en) * | 2005-05-08 | 2005-10-26 | 西安交通大学 | Online method for measuring oil density in oil containing sewage and device thereof |
| WO2008124425A1 (en) * | 2007-04-04 | 2008-10-16 | The Boc Group, Inc. | Process for treating waste water |
| CN102213676A (en) * | 2010-04-06 | 2011-10-12 | 南亮压力容器技术(上海)有限公司 | Sensor assembly for measuring turbidity |
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| CN104671319A (en) * | 2015-03-12 | 2015-06-03 | 大庆市海油庆石油科技有限公司 | Dissolved air tank with adjustable vapor liquid ratio |
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