CN106277301A - The aerating system of offshore platform sewage disposal and control method - Google Patents
The aerating system of offshore platform sewage disposal and control method Download PDFInfo
- Publication number
- CN106277301A CN106277301A CN201610807607.XA CN201610807607A CN106277301A CN 106277301 A CN106277301 A CN 106277301A CN 201610807607 A CN201610807607 A CN 201610807607A CN 106277301 A CN106277301 A CN 106277301A
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- China
- Prior art keywords
- dissolved oxygen
- oxygen content
- aeration fan
- converter
- offshore platform
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1278—Provisions for mixing or aeration of the mixed liquor
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/001—Build in apparatus for autonomous on board water supply and wastewater treatment (e.g. for aircrafts, cruiseships, oil drilling platforms, railway trains, space stations)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses aerating system and the control method of a kind of offshore platform sewage disposal, relate to offshore platform biological treatment technology of sanitary sewage treating field, including by the Aeration fan of Frequency Converter Control;It is characterized in that: the most also include: for storing the Aerobic Pond of offshore platform sewage;The dissolved oxygen meter of oxygen content in detecting above-mentioned Aerobic Pond;For receiving the oxygen content information of above-mentioned dissolved oxygen meter output, and according to the oxygen content information received, and then by the dissolved oxygen detection analyser of Controlled by Programmable Controller Aeration fan operating frequency;Wherein: above-mentioned dissolved oxygen meter, dissolved oxygen detection analyser, converter, Aeration fan are sequentially connected electrically.The present invention is by dissolved oxygen in online dissolved oxygen meter sensor mensuration Aerobic Pond, set Aerobic Pond dissolved oxygen desirable value, according to dissolved oxygen concentration value needed for converter regulation blower fan aeration rate to Aerobic Pond, thus the most efficiently play sludge biodegradation ability, improve sludge activity;Improve biodegradability.
Description
Technical field
The present invention relates to offshore platform biological treatment technology of sanitary sewage treating field, particularly relate to a kind of offshore platform sewage
The aerating system processed and control method.
Background technology
Existing offshore platform sanitary sewage biological treatment, many employing batch-type sludge refluxes and mud periodic exhaustion,
Accurately the dissolved oxygen of each functional pool effectively cannot be measured, according to the change of dissolved oxygen carry out rational sludge reflux and
Excess sludge discharge, causes activated sludge degradation capability to decline, easily causes mud to deteriorate, and biodegradability declines.
Summary of the invention
The technical problem to be solved in the present invention is: provide aerating system and the controlling party of a kind of offshore platform sewage disposal
Method;This patent, according to the change of dissolved oxygen, reasonably regulates Aeration fan air quantity, thus according to each pond function, it is ensured that rationally institute
Need dissolved oxygen concentration value, the most efficiently play sludge biodegradation ability, improve sludge activity.
The present invention solves that technical problem is adopted the technical scheme that present in known technology:
A kind of aerating system of offshore platform sewage disposal, including:
By the Aeration fan of Frequency Converter Control;
For storing the Aerobic Pond of offshore platform sewage;
The dissolved oxygen meter of oxygen content in detecting above-mentioned Aerobic Pond;
For receiving the oxygen content information of above-mentioned dissolved oxygen meter output, and according to the oxygen content information received, and then pass through
The dissolved oxygen detection analyser of Controlled by Programmable Controller Aeration fan operating frequency;Wherein:
Above-mentioned dissolved oxygen meter, dissolved oxygen detection analyser, converter, Aeration fan are sequentially connected electrically.
Further: being provided with oxygen content threshold value in above-mentioned dissolved oxygen detection analyser, the scope of this oxygen content threshold value is 2
~4 mg/litre, when described oxygen content information is less than oxygen content threshold value, then increased the power of Aeration fan by converter, when
When described oxygen content information is more than oxygen content threshold value, then reduced the power of Aeration fan, described oxygen content information by converter
During equal to oxygen content threshold value, then kept the current power of Aeration fan by converter.
Further: also to include the pressure transducer for monitoring described Aeration fan output pressure, this pressure transducer
Signal output terminal electrically connects with the I/O terminal of Programmable Logic Controller.
The control method of the aerating system of a kind of offshore platform sewage disposal, comprises the steps:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 101, dissolved oxygen meter, and testing result is sent extremely
Dissolved oxygen detection analyser;
The oxygen content information received is compared by step 102, dissolved oxygen detection analyser with oxygen content threshold value, when inciting somebody to action
Comparison result sends to Programmable Logic Controller;
Step 103, Programmable Logic Controller control the output of converter, frequency conversion according to the comparison result size received
Device and then the aeration rate of control Aeration fan.
The control method of the aerating system of a kind of offshore platform sewage disposal, comprises the steps:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 201, dissolved oxygen meter, and testing result is sent extremely
Dissolved oxygen detection analyser;Output aeration rate current for Aeration fan is sent to Programmable Logic Controller by pressure transducer simultaneously;
The oxygen content information received is compared by step 202, dissolved oxygen detection analyser with oxygen content threshold value, when inciting somebody to action
Comparison result sends to Programmable Logic Controller;
Step 203, Programmable Logic Controller control the output of converter, frequency conversion according to the comparison result size received
Device and then the aeration rate of control Aeration fan;Specifically, when needs increase and expose air quantity, be then on the basis of current exposure air quantity
Increase and expose air quantity, when needs reduce and expose air quantity, be then to reduce to expose air quantity on the basis of currently exposing air quantity.
The present invention has the advantage that with good effect:
The online dissolved oxygen meter of this patent measures Aerobic Pond dissolved oxygen, passes through needed for dissolved oxygen is higher than Aerobic Pond during dissolved oxygen
Signal is conveyed to fan outlet pressure gauge sensor by line dissolved oxygen meter sensor, and blower pressure table sensor conveys to signal to become
Frequently device explanation Aeration fan outlet pressure is higher, and converter reduces electric moter voltage or the current value of Aeration fan by VFC
Controlling reasonable air quantity, the exit pressure levels after regulation is passed to online dissolved oxygen meter, root by sensor by fan outlet Pressure gauge again
The oxygen dissolving value needed for Aerobic Pond is reached according to regulation change;By online dissolved oxygen meter during dissolved oxygen needed for dissolved oxygen is less than Aerobic Pond
Signal is conveyed to fan outlet pressure gauge sensor by sensor, and blower pressure table sensor conveys to converter explanation signal
Aeration fan outlet pressure is relatively low, and converter is controlled rationally by electric moter voltage or the current value of VFC raising Aeration fan
Air quantity, the exit pressure levels after regulation is passed to online dissolved oxygen meter by sensor, is become according to regulation by fan outlet Pressure gauge again
Change the oxygen dissolving value reached needed for Aerobic Pond.The present invention, by dissolved oxygen in online dissolved oxygen meter sensor mensuration Aerobic Pond, sets
Oxygen pond dissolved oxygen desirable value, according to dissolved oxygen concentration value needed for converter regulation blower fan aeration rate to Aerobic Pond, thus the most efficient
Play sludge biodegradation ability, improve sludge activity.
Accompanying drawing explanation
Fig. 1 is the structure chart of the preferred embodiment of the present invention.
Detailed description of the invention
For the summary of the invention of the present invention, feature and effect can be further appreciated that, hereby enumerate following example, and coordinate accompanying drawing
Describe in detail as follows:
Refer to Fig. 1,
First preferred embodiment: the aerating system of a kind of offshore platform sewage disposal, including:
By the Aeration fan P0401 of Frequency Converter Control;
For storing the Aerobic Pond of offshore platform sewage;
The dissolved oxygen meter T0102 of oxygen content in detecting above-mentioned Aerobic Pond;
For receiving the oxygen content information of above-mentioned dissolved oxygen meter output, and according to the oxygen content information received, and then pass through
The dissolved oxygen detection analyser L0102 of Controlled by Programmable Controller Aeration fan operating frequency;Wherein:
Above-mentioned dissolved oxygen meter T0102, dissolved oxygen detection analyser T0102, converter, Aeration fan P0401 are sequentially connected electrically.
As the presently preferred embodiments: in above-mentioned dissolved oxygen detection analyser, be provided with oxygen content threshold value, this oxygen content threshold value
Scope be 2~4 mg/litre, when described oxygen content information less than oxygen content threshold value time, then increase Aeration fan by converter
Power, when described oxygen content information more than oxygen content threshold value time, then by converter reduce Aeration fan power, described oxygen
When content information is equal to oxygen content threshold value, then kept the current power of Aeration fan by converter.
The work process of above preferred embodiment, i.e. control method be:
The control method of the aerating system of a kind of offshore platform sewage disposal, comprises the steps:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 101, dissolved oxygen meter, and testing result is sent extremely
Dissolved oxygen detection analyser;
The oxygen content information received is compared by step 102, dissolved oxygen detection analyser with oxygen content threshold value, when inciting somebody to action
Comparison result sends to Programmable Logic Controller;
Step 103, Programmable Logic Controller control the output of converter, frequency conversion according to the comparison result size received
Device and then the aeration rate of control Aeration fan.
Second preferred embodiment: the aerating system of a kind of offshore platform sewage disposal, including:
By the Aeration fan P0401 of Frequency Converter Control;
For storing the Aerobic Pond of offshore platform sewage;
The dissolved oxygen meter T0102 of oxygen content in detecting above-mentioned Aerobic Pond;
For monitoring the pressure transducer P0102 of described Aeration fan output pressure,
For receiving the oxygen content information of above-mentioned dissolved oxygen meter output, and according to the oxygen content information received, and then pass through
The dissolved oxygen detection analyser L0102 of Controlled by Programmable Controller Aeration fan operating frequency;Wherein:
Above-mentioned dissolved oxygen meter T0102, dissolved oxygen detection analyser T0102, converter, Aeration fan P0401 are sequentially connected electrically;
The signal output terminal of this pressure transducer electrically connects with the I/O terminal of Programmable Logic Controller.
As the presently preferred embodiments: in above-mentioned dissolved oxygen detection analyser, be provided with oxygen content threshold value, this oxygen content threshold value
Scope be 2~4 mg/litre, when described oxygen content information less than oxygen content threshold value time, then increase Aeration fan by converter
Power, when described oxygen content information more than oxygen content threshold value time, then by converter reduce Aeration fan power, described oxygen
When content information is equal to oxygen content threshold value, then kept the current power of Aeration fan by converter.
The work process of above preferred embodiment, i.e. control method be:
The control method of the aerating system of a kind of offshore platform sewage disposal, comprises the steps:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 201, dissolved oxygen meter, and testing result is sent extremely
Dissolved oxygen detection analyser;Output aeration rate current for Aeration fan is sent to Programmable Logic Controller by pressure transducer simultaneously;
The oxygen content information received is compared by step 202, dissolved oxygen detection analyser with oxygen content threshold value, when inciting somebody to action
Comparison result sends to Programmable Logic Controller;
Step 203, Programmable Logic Controller control the output of converter, frequency conversion according to the comparison result size received
Device and then the aeration rate of control Aeration fan;Specifically, when needs increase and expose air quantity, be then on the basis of current exposure air quantity
Increase and expose air quantity, when needs reduce and expose air quantity, be then to reduce to expose air quantity on the basis of currently exposing air quantity.
Above embodiments of the invention are described in detail, but described content have been only presently preferred embodiments of the present invention,
It is not to be regarded as the practical range for limiting the present invention.All impartial changes made according to the present patent application scope and improvement etc.,
Within all should still belonging to the patent covering scope of the present invention.
Claims (5)
1. an aerating system for offshore platform sewage disposal, including by the Aeration fan of Frequency Converter Control;It is characterized in that:
The most also include:
For storing the Aerobic Pond of offshore platform sewage;
The dissolved oxygen meter of oxygen content in detecting above-mentioned Aerobic Pond;
For receiving the oxygen content information of above-mentioned dissolved oxygen meter output, and according to the oxygen content information received, and then by compiling
Range controller controls the dissolved oxygen detection analyser of Aeration fan operating frequency;Wherein:
Above-mentioned dissolved oxygen meter, dissolved oxygen detection analyser, converter, Aeration fan are sequentially connected electrically.
The aerating system of offshore platform sewage disposal the most according to claim 1, it is characterised in that: at above-mentioned dissolved oxygen
Being provided with oxygen content threshold value in detection analyser, the scope of this oxygen content threshold value is 2~4 mg/litre, when described oxygen content information
During less than oxygen content threshold value, then increased the power of Aeration fan by converter, when described oxygen content information is more than oxygen content threshold
During value, then reduced the power of Aeration fan by converter, when described oxygen content information is equal to oxygen content threshold value, then pass through frequency conversion
Device keeps the current power of Aeration fan.
The aerating system of offshore platform sewage disposal the most according to claim 1, it is characterised in that: also include for supervising
Survey the pressure transducer of described Aeration fan output pressure, the signal output terminal of this pressure transducer and Programmable Logic Controller
I/O terminal electrically connects.
4. a control method for aerating system based on the offshore platform sewage disposal described in claim 2, including as follows
Step:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 101, dissolved oxygen meter, and sends testing result to dissolving
Oxygen detection analyser;
The oxygen content information received is compared, when by comparison by step 102, dissolved oxygen detection analyser with oxygen content threshold value
Result sends to Programmable Logic Controller;
Step 103, Programmable Logic Controller control the output of converter according to the comparison result size received, and converter enters
And control the aeration rate of Aeration fan.
5. a control method for aerating system based on the offshore platform sewage disposal described in claim 3, including as follows
Step:
Oxygen content in Aerobic Pond is carried out in real time or timing detection by step 201, dissolved oxygen meter, and sends testing result to dissolving
Oxygen detection analyser;Output aeration rate current for Aeration fan is sent to Programmable Logic Controller by pressure transducer simultaneously;
The oxygen content information received is compared, when by comparison by step 202, dissolved oxygen detection analyser with oxygen content threshold value
Result sends to Programmable Logic Controller;
Step 203, Programmable Logic Controller control the output of converter according to the comparison result size received, and converter enters
And control the aeration rate of Aeration fan;Specifically, when needs increase and expose air quantity, be then to increase on the basis of current exposure air quantity
Expose air quantity, when needs reduce and expose air quantity, be then to reduce to expose air quantity on the basis of current exposure air quantity.
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CN201610807607.XA CN106277301A (en) | 2016-09-07 | 2016-09-07 | The aerating system of offshore platform sewage disposal and control method |
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CN201610807607.XA CN106277301A (en) | 2016-09-07 | 2016-09-07 | The aerating system of offshore platform sewage disposal and control method |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106976978A (en) * | 2017-05-22 | 2017-07-25 | 江苏中路交通科学技术有限公司 | A kind of green high road service area sewage disposal system |
CN108996665A (en) * | 2018-07-04 | 2018-12-14 | 光大环境科技(中国)有限公司 | A kind of landfill leachate aeration control system and landfill leachate aeration control method |
CN111039418A (en) * | 2019-12-30 | 2020-04-21 | 正大食品企业(秦皇岛)有限公司 | Oxygen content control system for supporter groove of sewage station |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202542960U (en) * | 2011-12-26 | 2012-11-21 | 山东派力迪环保工程有限公司 | Aerating system energy-saving device used for sewage treatment |
CN203668102U (en) * | 2013-12-30 | 2014-06-25 | 易百皓源(北京)环保科技有限公司 | Aeration tank dissolved oxygen concentration control system and sewage treatment system |
-
2016
- 2016-09-07 CN CN201610807607.XA patent/CN106277301A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202542960U (en) * | 2011-12-26 | 2012-11-21 | 山东派力迪环保工程有限公司 | Aerating system energy-saving device used for sewage treatment |
CN203668102U (en) * | 2013-12-30 | 2014-06-25 | 易百皓源(北京)环保科技有限公司 | Aeration tank dissolved oxygen concentration control system and sewage treatment system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106976978A (en) * | 2017-05-22 | 2017-07-25 | 江苏中路交通科学技术有限公司 | A kind of green high road service area sewage disposal system |
CN108996665A (en) * | 2018-07-04 | 2018-12-14 | 光大环境科技(中国)有限公司 | A kind of landfill leachate aeration control system and landfill leachate aeration control method |
CN108996665B (en) * | 2018-07-04 | 2021-09-17 | 光大环境科技(中国)有限公司 | Landfill leachate aeration control system and landfill leachate aeration control method |
CN111039418A (en) * | 2019-12-30 | 2020-04-21 | 正大食品企业(秦皇岛)有限公司 | Oxygen content control system for supporter groove of sewage station |
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Application publication date: 20170104 |