CN203053955U - Sewage biological toxicity on-line monitoring system - Google Patents
Sewage biological toxicity on-line monitoring system Download PDFInfo
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- CN203053955U CN203053955U CN2012206445005U CN201220644500U CN203053955U CN 203053955 U CN203053955 U CN 203053955U CN 2012206445005 U CN2012206445005 U CN 2012206445005U CN 201220644500 U CN201220644500 U CN 201220644500U CN 203053955 U CN203053955 U CN 203053955U
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- sewage
- line monitoring
- toxicity
- data acquisition
- control
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- 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
Abstract
The utility model discloses a sewage biological toxicity on-line monitoring system which comprises a wet type biochemical reaction system, a gas-liquid conveying system, a control system, a data acquisition system and a communication system, wherein the wet type biochemical reaction system is used for degrading sewage by active sludge; the gas-liquid conveying system is used for conveying the sewage, running water, the sludge and compressed air; the control system is used for realizing manual control over equipment and automatic program running; a programmable logic controller (PLC) is used for automatically controlling integration of hardware and upper computer software; the data acquisition system is used for acquiring, processing, storing and transmitting data; and the communication system is used for transmitting the acquired and processed data to an analyzer. The sewage biological toxicity on-line monitoring system can be used for performing on-line identification and pre-warning on the biological toxicity of the sewage entering a sewage treatment factory; a phenomenon that the sewage treatment efficiency is influenced by a reason that the active sludge is poisoned by poisonous components in the sewage is avoided; and the sewage biological toxicity on-line monitoring system has the characteristics of full-automation in running, quickness and accuracy in analysis, simplicity in mounting and maintenance and the like.
Description
Technical field
The utility model relates to the technical field of sewage monitoring, particularly a kind of saprobe toxicity on-line monitoring system.
Background technology
Saprobe toxicity monitoring technology has: (1) aquatic animals and plants acute toxicity test comprises test method(s)s such as toxicity in fish, water flea class toxicity, duckweed class, broad bean tip of a root micronucleus, algae toxicity; (2) microorganism toxicity test comprises test method(s)s such as the characteristics of luminescence, respiration inhibition, enzyme inhibition alive.Wherein, the microbial respiratory inhibition test now has been used to estimate waste water to the toxic action of active sludge owing to characteristics such as its accuracy and intuitives.When disposal system caused mud to be poisoned suffering toxic impact, the unexpected decline of oxygen respiratory rate of mud often was the sensitiveest early warning.
At present, in the sewage toxicity online measuring technique based on microbial respiratory, mainly the variation of the ratio respiratory rate by microorganism in the mud is analyzed and the biologically active of judging sludge system and sewage treatment capacity.For example Chinese invention patent 200910082957.4(publication number is CN101556270A) a kind of device of monitoring dynamic specific oxygen utilization rate of activated sludge system disclosed, this invention is with the sealing recorder jar, be placed on the magnetic stirring apparatus, form sludge circulating loop by reflux pump and reactor, this device design is succinct, stable and measurement data favorable reproducibility, by explaining the SOUR curve intuitively, the accurate reactivenesses in the different moment of supervisory system.Though online detection specific oxygen utilization rate than conventional sense technology more fast, intuitively and accurately, but because need transforming according to the calculating by formula of system dissolved oxygen DO and sludge concentration numerical value, specific oxygen utilization rate just can obtain, but not the online direct data monitored of instrument, therefore, it is in the process of practical operation and application, have the situation that non-correlation appears in digital simulation easily, cause resultant error, cause the development difficulty of on-line automatic control and DAP big simultaneously.In addition, domestic sewage treatment plant at present also main exist to lack be used for problems such as the technology of the online quick identification of unusual service condition and instrument, technological parameter control technique fall behind, this has also brought certain degree of difficulty for the online measuring technique of actual sewage treatment plant.
The utility model content
The shortcoming that the purpose of this utility model is to overcome prior art provides a kind of saprobe toxicity on-line monitoring system with not enough.
In order to reach above-mentioned first purpose, the utility model by the following technical solutions:
The utility model saprobe toxicity on-line monitoring system comprises wet type Biochemistry Reaction System, gas-liquid induction system, control system, data acquisition system (DAS) and communication system;
Described wet type Biochemistry Reaction System is for the biochemical reaction system that realizes the real-time degradation of sewage of active sludge;
Described gas-liquid induction system is for delivery of sewage, tap water, mud and pressurized air;
Described control system is used for realizing that manual control and auto-programming to equipment move, and is integrated by PLC robotization control hardware and upper computer software;
Described data acquisition system (DAS) is used for data acquisition, processing, storage and transmission;
Described communication system is used for the data of acquisition process are transmitted to analyser is outside.
Preferably, described wet type Biochemistry Reaction System comprises sewage pretreater and main biochemical reactor, described sewage pretreater carries out the aeration pre-service before sewage is entered main reactor, and described sewage pretreater is furnished with water inlet, freeing port, overflow vent, clean water outlet and plate-type aerator; Described main biochemical reactor is the place that active sludge degradation of sewage pollutant consumes the system dissolved oxygen, described main biochemical reactor is furnished with water inlet, clean water outlet, high-order water delivering orifice, low level water delivering orifice and overflow vent, also be installed with sludge concentration sensor, dissolved oxygen DO (DO) sensor, temperature sensor, stirrer and constent temperature heater in the main biochemical reactor, main biochemical reactor bottom covers fully the micropore plate-type aerator is installed.
Preferably, described gas-liquid induction system comprises pvc pipe, silicone tube, solenoid valve, manual ball valve, peristaltic pump, intake pump, sludge pump, micro air pump and gas meter, and a total discharging tube is set, and all Drainage pipes all are connected to total discharging tube and get rid of.
Preferably, described control system comprises PLC control module, electrical equipment, WINCC upper computer module and touch-screen, described WINCC upper computer module is write control program by the WINCC upper computer software, described PLC control module is carried out steering order and is sent automatically controlled signal to equipment, realization is to the robotization control of wet type Biochemistry Reaction System and gas-liquid induction system, all control operations are finished by the touch-screen touch-control, and described PLC module comprises CPU, switching value output module, analog quantity load module and analog output module.
Preferably, described data acquisition system (DAS) comprises, dissolved oxygen sensor, sludge concentration sensor, temperature sensor, data acquisition transmitter and PLC control module, the data acquisition transmitter is surveyed the light signal and the electrochemical signals collection that produce with each online probe and is transformed to current signal from the wet type Biochemistry Reaction System, the R485 Data Transport Protocol through determining is sent to the PLC control module to carry out characteristic identification and analyze.
Preferably, described communication system comprises ethernet module and network connection, the data of acquisition process through the ethernet communication mode to external transmission.
The utility model has following advantage and effect with respect to prior art:
1, the utility model adopts the analytical technology exploitation based on analyser mesophytization reaction system dissolved oxygen DO (DO) variation characteristic to form, when the sewage that has bio-toxicity enters pick-up unit, different trend feature when the variation of biochemical reaction system DO will present and enter with normal sewage, this variation tendency is the visualize that the active sludge activity is suppressed, gather acquisition DO characteristic under two kinds of situations and carry out computational analysis by self-defining sludge activity inhibiting rate formula, but the bio-toxicity degree of ONLINE RECOGNITION and assessment sewage, and trigger corresponding warning.
2, bio-toxicity on-line monitoring system of the present utility model, formed by gas-liquid induction system, wet type Biochemistry Reaction System, automatic control system and data acquisition process and communication system, being used for sewage treatment plant can realize advancing ONLINE RECOGNITION and the early warning of factory's saprobe toxicity, avoid in the sewage toxic ingredient to cause active sludge to be poisoned and influence sewage treating efficiency, have operation full-automatic, analyze quick and precisely, install simply, characteristics such as easy maintenance.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of the online detection analyser of saprobe toxicity;
Fig. 2 is reaction system DO characteristic curve synoptic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment
As shown in Figure 1, wastewater treatment plant aeration tank or second pond active sludge enter the main biochemical reactor 1 of analyser through sludge pump 4, put the sludge concentration that clear water cleans and configuration is extremely set through purge valve 5, sludge concentration is detected in real time by sludge concentration sensor 6, active sludge obtains constant aerating and stirring in main biochemical reactor 1, actual sewage run by gravity after intake pump 3 periodically quantitatively injects pretreater 2 preaeration processing is become owner of biochemical reactor 1 and activated sludge reaction, to inject quantitative sewage be that liquid level gauge 7 by main biochemical reactor 1 detects to control realization by the constant level difference phase weekly, the reaction overall process is carried out thermostatic control by constent temperature heater 9 and is provided constant wind supply quantity and the constant speed stirring, and constant wind supply quantity is supplied with by gas meter 8 and regulated realization.DO sensor 10 real-time onlines are gathered the DO data of reaction system, analyze, and will start cleaning procedure after monitoring finishes reactor and pipeline are cleaned, and omnidistance control is to be finished by control, analysis and communication system 11 with data analysis.
The monitoring system of above-mentioned analyzer comprises wet type Biochemistry Reaction System, gas-liquid induction system, control system, data acquisition system (DAS) and communication system; Described wet type Biochemistry Reaction System is for the biochemical reaction system that realizes the real-time degradation of sewage of active sludge; Described gas-liquid induction system is for delivery of sewage, tap water, mud and pressurized air; Described control system is used for realizing that manual control and auto-programming to equipment move, and is integrated by PLC robotization control hardware and upper computer software; Described data acquisition system (DAS) is used for data acquisition, processing, storage and transmission; Described communication system is used for the data of acquisition process are transmitted to analyser is outside.
Described wet type Biochemistry Reaction System comprises sewage pretreater and main biochemical reactor, described sewage pretreater carries out the aeration pre-service before sewage is entered main reactor, and described sewage pretreater is furnished with water inlet, freeing port, overflow vent, clean water outlet and plate-type aerator; Described main biochemical reactor is the place that active sludge degradation of sewage pollutant consumes the system dissolved oxygen, described main biochemical reactor is furnished with water inlet, clean water outlet, high-order water delivering orifice, low level water delivering orifice and overflow vent, also be installed with sludge concentration sensor, DO sensor, temperature sensor, stirrer and constent temperature heater in the main biochemical reactor, main biochemical reactor bottom covers fully the micropore plate-type aerator is installed.
Described gas-liquid induction system comprises pvc pipe, silicone tube, solenoid valve, manual ball valve, peristaltic pump, intake pump, sludge pump, micro air pump and gas meter, and a total discharging tube is set, and all Drainage pipes all are connected to total discharging tube and get rid of.
Described control system comprises PLC control module, electrical equipment, WINCC upper computer module and touch-screen, described WINCC upper computer module is write control program by the WINCC upper computer software, described PLC control module is carried out steering order and is sent automatically controlled signal to equipment, realization is to the robotization control of wet type Biochemistry Reaction System and gas-liquid induction system, all control operations are finished by the touch-screen touch-control, and described PLC module comprises CPU, switching value output module, analog quantity load module and analog output module.
Described data acquisition system (DAS) comprises, dissolved oxygen sensor, sludge concentration sensor, temperature sensor, data acquisition transmitter and PLC control module, the data acquisition transmitter is surveyed the light signal and the electrochemical signals collection that produce with each online probe and is transformed to current signal from the wet type Biochemistry Reaction System, the R485 Data Transport Protocol through determining is sent to the PLC control module to carry out characteristic identification and analyze.
The integrated cabinet body structure of above-mentioned analyser, this cabinet comprises Over-The-Counter body space and lower cabinet body space, described Over-The-Counter body space is used for control system, data acquisition and analysis system and touch-screen and installs, the lower cabinet body space is divided into forward and backward two parts, front and rear portions separates with detachable dividing plate between dividing, and on the described detachable dividing plate sampling pump, gas meter, solenoid valve and pipeline is arranged fixedly; Separate with first dividing plate between rear section, lower cabinet body space and the Over-The-Counter body space, this first dividing plate is provided with first perforate; The front portion in lower cabinet body space is divided into wet type Biochemistry Reaction System and gas-liquid induction system installing space, in this space, fix a low level panel, be used for fixing main biochemical reactor, fix another panel on the inner left wall select location, be used for fixedly sewage pretreater; The rear portion in lower cabinet body space is divided into equipment and controller connecting line placement space, connecting line is connected with controller by first perforate on first dividing plate, the forward part in lower cabinet body space and top cabinet are separated by second partition, three fan doors are opened in not intercommunication, cabinet altogether, and Yishanmen is installed in the rear section, last cabinet front end is installed the second fan door, the second fan door is provided with second perforate for the fixed installation touch-screen, and forward part is installed the 3rd fan door, and the 3rd fan door is gone up transparent windows is installed.
As shown in Figure 2, in the present embodiment by online detection analyser and detection system, at the constant reaction system volume of control reaction overall process, constant sludge concentration, constant agitation speed, constant wind supply quantity is under the service condition of constant sewage cycle dosage, the collection of DO sensor obtains to be the system DO characteristic curve of periodic regularity variation tendency, wherein curve decline district fall △ H
DO ↓Be that key feature is analyzed data, when data analysis software is injected according to the normal sewage of identification in the analyser and bio-toxicity sewage inject constantly △ H
DO ↓By self-defining sludge activity inhibiting rate formula real-time calculation and analysis sewage toxicity degree, when inhibiting rate reaches the setting boundary, analyser will trigger warning automatically simultaneously.
Above-described embodiment is the utility model preferred implementation; but embodiment of the present utility model is not restricted to the described embodiments; other any do not deviate from change, the modification done under spiritual essence of the present utility model and the principle, substitutes, combination, simplify; all should be the substitute mode of equivalence, be included within the protection domain of the present utility model.
Claims (6)
1. a saprobe toxicity on-line monitoring system is characterized in that, comprises wet type Biochemistry Reaction System, gas-liquid induction system, control system, data acquisition system (DAS) and communication system;
Described wet type Biochemistry Reaction System is for the biochemical reaction system that realizes the real-time degradation of sewage of active sludge;
Described gas-liquid induction system is for delivery of sewage, tap water, mud and pressurized air;
Described control system is used for realizing that manual control and auto-programming to equipment move, and is integrated by PLC robotization control hardware;
Described data acquisition system (DAS) is used for data acquisition, processing, storage and transmission;
Described communication system is used for the data of acquisition process are transmitted to analyser is outside.
2. bio-toxicity on-line monitoring system according to claim 1, it is characterized in that, described wet type Biochemistry Reaction System comprises sewage pretreater and main biochemical reactor, described sewage pretreater carries out the aeration pre-service before sewage is entered main reactor, and described sewage pretreater is furnished with water inlet, freeing port, overflow vent, clean water outlet and plate-type aerator; Described main biochemical reactor is the place that active sludge degradation of sewage pollutant consumes the system dissolved oxygen, described main biochemical reactor is furnished with water inlet, clean water outlet, high-order water delivering orifice, low level water delivering orifice and overflow vent, also be installed with sludge concentration sensor, DO sensor, temperature sensor, stirrer and constent temperature heater in the main biochemical reactor, main biochemical reactor bottom covers fully the micropore plate-type aerator is installed.
3. bio-toxicity on-line monitoring system according to claim 1 and 2, it is characterized in that, described gas-liquid induction system comprises pvc pipe, silicone tube, solenoid valve, manual ball valve, peristaltic pump, intake pump, sludge pump, micro air pump and gas meter, and a total discharging tube is set, and all Drainage pipes all are connected to total discharging tube and get rid of.
4. bio-toxicity on-line monitoring system according to claim 3, it is characterized in that, described control system comprises PLC control module, electrical equipment, WINCC upper computer module and touch-screen, described PLC control module is carried out steering order and is sent automatically controlled signal to equipment, realization is to the robotization control of wet type Biochemistry Reaction System and gas-liquid induction system, all control operations are finished by the touch-screen touch-control, and described PLC module comprises CPU, switching value output module, analog quantity load module and analog output module.
5. according to claim 1 or 4 described bio-toxicity on-line monitoring systems, it is characterized in that, described data acquisition system (DAS) comprises, dissolved oxygen sensor, sludge concentration sensor, temperature sensor, data acquisition transmitter and PLC control module, the data acquisition transmitter is surveyed the light signal and the electrochemical signals collection that produce with each online probe and is transformed to current signal from the wet type Biochemistry Reaction System, the R485 Data Transport Protocol through determining is sent to the PLC control module to carry out characteristic identification and analyze.
6. bio-toxicity on-line monitoring system according to claim 5 is characterized in that, described communication system comprises ethernet module and network connection, the data of acquisition process through the ethernet communication mode to external transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012206445005U CN203053955U (en) | 2012-11-28 | 2012-11-28 | Sewage biological toxicity on-line monitoring system |
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| CN2012206445005U CN203053955U (en) | 2012-11-28 | 2012-11-28 | Sewage biological toxicity on-line monitoring system |
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| CN203053955U true CN203053955U (en) | 2013-07-10 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980983A (en) * | 2012-11-28 | 2013-03-20 | 广州中国科学院沈阳自动化研究所分所 | Online monitoring analyzer and monitoring system for sewage biotoxicity |
| CN105301211A (en) * | 2014-07-04 | 2016-02-03 | 中国环境科学研究院 | Semi-static temperature-control type fish toxicity test apparatus |
| CN110262431A (en) * | 2019-07-03 | 2019-09-20 | 江南大学 | A kind of sewage disposal process multiobjective optimization control method based on operating mode's switch |
-
2012
- 2012-11-28 CN CN2012206445005U patent/CN203053955U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980983A (en) * | 2012-11-28 | 2013-03-20 | 广州中国科学院沈阳自动化研究所分所 | Online monitoring analyzer and monitoring system for sewage biotoxicity |
| CN102980983B (en) * | 2012-11-28 | 2016-06-15 | 广州中国科学院沈阳自动化研究所分所 | A kind of saprobia toxicity on-line monitoring analyser and monitoring system |
| CN105301211A (en) * | 2014-07-04 | 2016-02-03 | 中国环境科学研究院 | Semi-static temperature-control type fish toxicity test apparatus |
| CN105301211B (en) * | 2014-07-04 | 2017-07-14 | 中国环境科学研究院 | Semi-static temperature controlled toxicity test device of fishes |
| CN110262431A (en) * | 2019-07-03 | 2019-09-20 | 江南大学 | A kind of sewage disposal process multiobjective optimization control method based on operating mode's switch |
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Granted publication date: 20130710 |