CN105278330A - Oil sewage treatment system and treatment method based on WebAccess - Google Patents
Oil sewage treatment system and treatment method based on WebAccess Download PDFInfo
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- CN105278330A CN105278330A CN201510748194.8A CN201510748194A CN105278330A CN 105278330 A CN105278330 A CN 105278330A CN 201510748194 A CN201510748194 A CN 201510748194A CN 105278330 A CN105278330 A CN 105278330A
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- tank
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Abstract
The invention relates to an oil sewage treatment system and a treatment method based on WebAccess. At present, domestic oil sewage treatment has the defects of low product efficiency, low degree of automation, high energy consumption and high operation cost compared with oil sewage treatment abroad in the same period. The oil sewage treatment system of the invention comprises a computer system (13) which is electrically connected with an electromagnetic flow meter (14), a PH value measurement meter (12) and a frequency converter (11). The electromagnetic flow meter is mounted on a mixing tank (3). The mixing tank and an oil collection tank (2) are connected by a pipeline. The oil collection tank and a primary buffer tank (1) are connected by a pipeline. The primary buffer tank is connected with oil sewage (16). The PH value measurement meter is connected with a settling tank (4). The technical scheme is applied to the oil sewage treatment system based on WebAccess.
Description
technical field:
the present invention relates to petroleum waste water disposal system and the disposal route of a kind of sing on web Access.
background technology:
current China's oil wastewater treatment is compared with the disposing polluted water in oil of the external same period, and existing product efficiency is low, automaticity is low, energy consumption is high and the shortcomings such as operating cost height.The many oil fields of China are in the secondary oil recovery phase, the i.e. injection life, the object of disposing polluted water in oil be by process after water reinjection into reservoir to supplement, equilibrium strata pressure, prevent from injecting water and returning aqueous corrosion water injection pipe and oil pipe, oilfield sewage mainly comprises oil field extracted water, the oily sewage of the other types such as drilling waste water, when oil field needs water filling, oil field extracted water is reinjection into reservoir after treatment, now will to the suspension in water, wet goods many index strictly controls, prevent its formation from producing injury, for the poor efficiency that contemporary oil-contaminated water of oil field treatment technology exists, the problem of high energy consumption and high operating cost, the human-computer interaction interface that this product is host computer with WebAccess inter-network cooperation, the control of using PLC data acquisition and system, achieve the fully automatic operation of sewage disposal process.
summary of the invention:
the object of this invention is to provide petroleum waste water disposal system and the disposal route of a kind of sing on web Access.
above-mentioned object is realized by following technical scheme:
the petroleum waste water disposal system of a kind of sing on web Access, its composition comprises: computer system, described computer system is electrically connected with electromagnetic flowmeter, pH value quantifier, frequency converter respectively, described electromagnetic flowmeter is arranged on mixing tank, described mixing tank is connected by pipeline with receipts oil tank, described receipts oil tank is connected by pipeline with a surge tank, and a described surge tank is connected with petroleum wastewater pond, and described pH value quantifier is connected with slurry tank.
the petroleum waste water disposal system of described sing on web Access, described slurry tank is connected with described mixing tank, pollution discharge pond, secondary buffer tank respectively by pipeline, described secondary buffer tank is connected with pressure filter by pipeline, and described pressure filter is connected by pipeline with water-injection plant.
the petroleum waste water disposal system of described sing on web Access, described frequency converter is electrically connected with stirring motor, dosing pump respectively, and described stirring motor is connected with described dosing pump, and described dosing pump outlet is connected with described mixing tank.
the petroleum waste water disposal system of a kind of sing on web Access and disposal route, the method comprises the steps: it is first that petroleum waste water enters a surge tank, enter after receiving oil tank after described surge tank buffering, then by mixing in mixing tank with institute adding medicine, mixed water filters in slurry tank, then after cushioning through secondary buffer tank, filter entering pressure filter, the water after described pressure filter filters sends into water-injection plant or as wash water;
the control software design of computer system for realizing the control of 3 aspects such as dosing, blowdown, back flush,
described computer system controls the amount of institute's adding medicine by the water flow rate value of M point and the water pH value of N point, in the course of the work, regularly blowdown will be carried out to slurry tank, pressure filter regularly will carry out back flush, frequency converter is performance element and the control module of automatic medicament feeding system, during as performance element, frequency converter receives the control signal from regulon PLC, the frequency of power supply is changed according to control signal, during as control module, frequency converter itself has the function of regulon concurrently, complete separately regulating and controlling effect, frequency converter is serially connected in the input circuit of stirring motor, motor speed is adjusted by the frequency changing stirring motor, frequency converter has two circuits, one tunnel is the dosing pump controlling dosage, another road controls the stirring motor for molten medicine, described computer system comprises PID controller, described PID controller changes into the current signal of 4 ~ 20mA by control signal, the rotating speed of motor is controlled by the frequency of operation changing frequency converter, thus control the speed of dosage and stirring machine,
(1) Adding medicine control, has manual dosing, Automatic Dosing two kinds of control modes, in dosing technique, has A agent and B agent two kinds of medicaments, and the addition of A agent is decided by the flow velocity of liquid and pH value, and the addition of B agent is only decided by the flow velocity of liquid;
(2) blowdown controls, divide manual blowdown and automatic pollution discharge two kinds of modes, in the course of work of automatic pollution discharge, system is set to automatic slurry tank to all working mode and carries out blowdown in order, blowing time is set by timer, and each slurry tank has 4 sewage draining valves, sequentially will open valve after blowdown starts, add certain time-delay, press down blow button and can realize carrying out blowdown to selected tank;
(3) back flush control, first open the outlet valve of back flush, open the imported valve of back flush again, then close the terminal valve of normal work, at the end of back flush, first should close the imported valve of back flush, then close the outlet valve of back flush, finally open the terminal valve of normal work, in these valve opens or closing process, also to add suitable time delay, make system can stable operation.
beneficial effect:
1. the present invention is petroleum waste water disposal system and the disposal route thereof of a kind of sing on web Access, mainly solve the problem of poor efficiency, high energy consumption and the high operating cost that contemporary oil-contaminated water of oil field treatment technology exists, the human-computer interaction interface that this product is host computer with WebAccess inter-network cooperation, the control of using PLC data acquisition and system, achieves the fully automatic operation of sewage disposal process.
petroleum waste water of the present invention is through a surge tank with after receiving oil tank, mix in mixing tank with institute adding medicine, mixed water filters in slurry tank, after secondary buffer tank, enter pressure filter again to filter, water after filtration sends into water-injection plant or as wash water, computing machine controls the amount of institute's adding medicine by the water flow rate value of M point and the water pH value of N point, in the course of the work, regularly will carry out blowdown to slurry tank, pressure filter regularly will carry out back flush.
adding medicine control of the present invention, has manual dosing, Automatic Dosing two kinds of control modes, in dosing technique, has A agent and B agent two kinds of medicaments, and the addition of A agent is decided by the flow velocity of liquid and pH value, and the addition of B agent is only decided by the flow velocity of liquid.
the present invention adopts programmable controller PLC to carry out Systematical control, described programmable controller PLC has ease for operation, there is multiple programs design language available, easy grasp and understanding, the self-diagnostic function that PLC has simultaneously reduces the requirement of maintenance personal's maintenance skills, when system jam, by the self diagnosis of hardware and software, maintenance personal can find the position of fault very soon, and the control software design of PLC is mainly used in the control realizing 3 aspects such as dosing, blowdown, back flush.
blowdown of the present invention controls, divide manual blowdown and automatic pollution discharge two kinds of modes, in the course of work of automatic pollution discharge, system is set to automatic slurry tank to all working mode and carries out blowdown in order, and blowing time is set by timer, and each slurry tank has 4 sewage draining valves, sequentially valve will be opened after blowdown starts, add certain time-delay, press down blow button and can realize carrying out blowdown to selected tank, simple to operate.
back flush control of the present invention, first open the outlet valve of back flush, then open the imported valve of back flush, then close the terminal valve of normal work, at the end of back flush, first should close the imported valve of back flush, then close the outlet valve of back flush, finally open the terminal valve of normal work, in these valve opens or closing process, also to add suitable time delay, make system can stable operation, safe and reliable.
the present invention adopts the control overflow that can meet sewage treatment process and propose, the complete fully automatic operation of sewage disposal process can be realized, complete complete monitoring in sewage disposal process, labour productivity is improved, alleviate the working load of staff, save many production run costs.
accompanying drawing illustrates:
accompanying drawing 1 is structural representation of the present invention.
accompanying drawing 2 is A agent Automatic Dosing schematic diagrams of the present invention.
accompanying drawing 3 is B agent Automatic Dosing schematic diagrams of the present invention.
accompanying drawing 4 is blowdown control flow charts of the present invention.
accompanying drawing 5 is PID controller circuit diagrams of the present invention.
embodiment:
embodiment 1:
the petroleum waste water disposal system of a kind of sing on web Access, its composition comprises: computer system 13, it is characterized in that: described computer system is electrically connected with electromagnetic flowmeter 14, pH value quantifier 12, frequency converter 11 respectively, described electromagnetic flowmeter is arranged on mixing tank 3, described mixing tank is connected by pipeline with receipts oil tank 2, described receipts oil tank is connected by pipeline with a surge tank 1, a described surge tank is connected with petroleum waste water 16, and described pH value quantifier is connected with slurry tank 4.
embodiment 2:
the petroleum waste water disposal system of the sing on web Access described in embodiment 1, described slurry tank is connected by pipeline with described mixing tank, pollution discharge pond 5, secondary buffer tank 6 respectively, described secondary buffer tank is connected by pipeline with pressure filter 8, and described pressure filter is connected with water-injection plant 7.
embodiment 3:
the petroleum waste water disposal system of the sing on web Access described in embodiment 1, described frequency converter is connected with stirring motor 9, dosing pump 10 respectively, and described stirring motor is connected with described dosing pump, and described dosing pump outlet is connected with described mixing tank.
embodiment 4:
a kind of disposal route utilizing the petroleum waste water disposal system of sing on web Access described in embodiment 1-3, this method is first that petroleum waste water enters a surge tank, enter after receiving oil tank after described surge tank buffering, then by mixing in mixing tank with institute adding medicine, mixed water filters in slurry tank, then after cushioning through secondary buffer tank, filter entering pressure filter, the water after described pressure filter filters sends into water-injection plant or as wash water;
the control software design of computer system for realizing the control of 3 aspects such as dosing, blowdown, back flush,
described computer system controls the amount of institute's adding medicine by the water flow rate value of M point and the water pH value of N point, in the course of the work, regularly blowdown will be carried out to slurry tank, pressure filter regularly will carry out back flush, frequency converter is performance element and the control module of automatic medicament feeding system, during as performance element, frequency converter receives the control signal from regulon PLC, the frequency of power supply is changed according to control signal, during as control module, frequency converter itself has the function of regulon concurrently, complete separately regulating and controlling effect, frequency converter is serially connected in the input circuit of stirring motor, motor speed is adjusted by the frequency changing stirring motor, frequency converter has two circuits, one tunnel is the dosing pump controlling dosage, another road controls the stirring motor for molten medicine, described computer system comprises PID controller, described PID controller changes into the current signal of 4 ~ 20mA by control signal, the rotating speed of motor is controlled by the frequency of operation changing frequency converter, thus control the speed of dosage and stirring machine,
(1) Adding medicine control, has manual dosing, Automatic Dosing two kinds of control modes, in dosing technique, has A agent and B agent two kinds of medicaments, and the addition of A agent is decided by the flow velocity of liquid and pH value, and the addition of B agent is only decided by the flow velocity of liquid;
(2) blowdown controls, divide manual blowdown and automatic pollution discharge two kinds of modes, in the course of work of automatic pollution discharge, system is set to automatic slurry tank to all working mode and carries out blowdown in order, blowing time is set by timer, and each slurry tank has 4 sewage draining valves, sequentially will open valve after blowdown starts, add certain time-delay, press down blow button and can realize carrying out blowdown to selected tank;
(3) back flush control, first open the outlet valve of back flush, open the imported valve of back flush again, then close the terminal valve of normal work, at the end of back flush, first should close the imported valve of back flush, then close the outlet valve of back flush, finally open the terminal valve of normal work, in these valve opens or closing process, also to add suitable time delay, make system can stable operation.
embodiment 5:
the petroleum waste water disposal system of the sing on web Access described in embodiment 1-4, the control algolithm of the petroleum waste water disposal system of described sing on web Access:
medicine system is the core of sewage treatment control system design, is the key realizing system algorithm, is system stability and index key up to standard, in this product, adopts industrial conventional pid control algorithm,
in Adding medicine control process, the control signal that frequency converter receives is provided by pH meter and flowmeter, and system compares according to setting value and detected value, by PID arithmetic, exports a suitable current value to frequency converter.When selecting PID regulating parameter, empirically value determines scale-up factor (K), integral time value (Ti), derivative time (Td) usually, then carries out debugging according to the actual conditions at scene and determines concrete value.
table 1PID regulating parameter table
this product comprehensively adopts Industry Control, network, the techniques and methods such as configuration devise a set of petroleum waste water process control system, the control overflow that sewage treatment process proposes can be met, the complete fully automatic operation of sewage disposal process can be realized, complete complete monitoring in sewage disposal process, the target of water quality parameter detection record etc., after realizing wastewater treatment robotization, labour productivity is improved greatly, significantly reduce the working load of staff, many production run costs are saved, after realizing mathematical model automatic chemical dosing, when ensureing settling basin standard water discharge, reagent consumption rate obtains reduction by a relatively large margin, the processing cost of medicament drops to 0.2 yuan/ton from 0.5 yuan/ton, by 15 tons/hour, year work calculates for 300 days, 300x24x15x0.3=32400 unit can be saved every year, along with people's water harmonious environment build constantly perfect, the continuous enhancing of people's environmental consciousness, this product will play larger economic and social benefit.
Claims (4)
1. the petroleum waste water disposal system of a sing on web Access, its composition comprises: computer system, it is characterized in that: described computer system is electrically connected with electromagnetic flowmeter, pH value quantifier, frequency converter respectively, described electromagnetic flowmeter is arranged on mixing tank, described mixing tank is connected by pipeline with receipts oil tank, described receipts oil tank is connected by pipeline with a surge tank, and a described surge tank is connected with petroleum wastewater pond, and described pH value quantifier is connected with slurry tank.
2. the petroleum waste water disposal system of sing on web Access according to claim 1, it is characterized in that: described slurry tank is connected with described mixing tank, pollution discharge pond, secondary buffer tank respectively by pipeline, described secondary buffer tank is connected with pressure filter by pipeline, and described pressure filter is connected by pipeline with water-injection plant.
3. the petroleum waste water disposal system of sing on web Access according to claim 1 and 2, it is characterized in that: described frequency converter is electrically connected with stirring motor, dosing pump respectively, described stirring motor is connected with described dosing pump, and described dosing pump outlet is connected with described mixing tank.
4. a disposal route for the petroleum waste water disposal system of the sing on web Access that one of claim 1-5 is described, is characterized in that: the method comprises the steps:
First be that petroleum waste water enters a surge tank, enter after receiving oil tank after described surge tank buffering, then by mixing in mixing tank with institute adding medicine, mixed water filters in slurry tank, then after cushioning through secondary buffer tank, filter entering pressure filter, the water after described pressure filter filters sends into water-injection plant or as wash water;
The control software design of computer system for realizing the control of 3 aspects such as dosing, blowdown, back flush,
Described computer system controls the amount of institute's adding medicine by the water flow rate value of M point and the water pH value of N point, in the course of the work, regularly blowdown will be carried out to slurry tank, pressure filter regularly will carry out back flush, frequency converter is performance element and the control module of automatic medicament feeding system, during as performance element, frequency converter receives the control signal from regulon PLC, the frequency of power supply is changed according to control signal, during as control module, frequency converter itself has the function of regulon concurrently, complete separately regulating and controlling effect, frequency converter is serially connected in the input circuit of stirring motor, motor speed is adjusted by the frequency changing stirring motor, frequency converter has two circuits, one tunnel is the dosing pump controlling dosage, another road controls the stirring motor for molten medicine, described computer system comprises PID controller, described PID controller changes into the current signal of 4 ~ 20mA by control signal, the rotating speed of motor is controlled by the frequency of operation changing frequency converter, thus control the speed of dosage and stirring machine,
(1) Adding medicine control, has manual dosing, Automatic Dosing two kinds of control modes, in dosing technique, has A agent and B agent two kinds of medicaments, and the addition of A agent is decided by the flow velocity of liquid and pH value, and the addition of B agent is only decided by the flow velocity of liquid;
(2) blowdown controls, divide manual blowdown and automatic pollution discharge two kinds of modes, in the course of work of automatic pollution discharge, system is set to automatic slurry tank to all working mode and carries out blowdown in order, blowing time is set by timer, and each slurry tank has 4 sewage draining valves, sequentially will open valve after blowdown starts, add certain time-delay, press down blow button and can realize carrying out blowdown to selected tank;
(3) back flush control, first open the outlet valve of back flush, open the imported valve of back flush again, then close the terminal valve of normal work, at the end of back flush, first should close the imported valve of back flush, then close the outlet valve of back flush, finally open the terminal valve of normal work, in these valve opens or closing process, also to add suitable time delay, make system can stable operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510748194.8A CN105278330A (en) | 2015-11-06 | 2015-11-06 | Oil sewage treatment system and treatment method based on WebAccess |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510748194.8A CN105278330A (en) | 2015-11-06 | 2015-11-06 | Oil sewage treatment system and treatment method based on WebAccess |
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| CN105278330A true CN105278330A (en) | 2016-01-27 |
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Cited By (3)
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|---|---|---|---|---|
| CN106976606A (en) * | 2017-03-10 | 2017-07-25 | 天津大学 | Method based on webaccess remote detections factory trunkful |
| CN108862711A (en) * | 2018-06-30 | 2018-11-23 | 朱皖卉 | In a kind of vulcanization waste water and device |
| CN113311790A (en) * | 2021-05-17 | 2021-08-27 | 四川洵美科技有限公司 | Small intelligent process precise control system |
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Cited By (3)
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| CN113311790A (en) * | 2021-05-17 | 2021-08-27 | 四川洵美科技有限公司 | Small intelligent process precise control system |
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Application publication date: 20160127 |