CN104310707A - Efficient spraying wastewater treatment system based on intelligent logic controller - Google Patents
Efficient spraying wastewater treatment system based on intelligent logic controller Download PDFInfo
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- CN104310707A CN104310707A CN201410564139.9A CN201410564139A CN104310707A CN 104310707 A CN104310707 A CN 104310707A CN 201410564139 A CN201410564139 A CN 201410564139A CN 104310707 A CN104310707 A CN 104310707A
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
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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
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/70—Treatment of water, waste water, or sewage by reduction
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/005—Processes using a programmable logic controller [PLC]
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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
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention discloses an efficient spraying wastewater treatment system based on an intelligent logic controller. The system comprises a wastewater treatment facility and a control system, wherein the wastewater treatment facility comprises a physical and chemical treatment system, an intensified bio-treatment system and a sludge treatment system; the control system comprises a field instrument and a valve which are connected with a PLC; the PLC comprises a LOGO!24RC 0BA6 micro master controller, two LOGO!DM8 24R expanding controllers and three LOGO!AM2 expanding controllers; auxiliary switch contacts of all electrical control circuit contacts of equipment in the system, the field instrument and the valve are respectively connected with the input and output terminals of the PLC by leads. The whole system is compact in structure, the extended module ensures the flexibility of the system and the cost can be saved by about 50%. The system fully meets the industrial standard and can be applied to various project sites with relatively severe field and climate conditions.
Description
Technical field
The present invention relates to a kind of automation control system spraying waste water processing station, particularly relate to a kind of efficient spraying Waste Water Treatment based on intelligent logical controller.
Background technology
In recent years, along with the industrial park of the forms such as this city Special Economical Zone, new and high-tech development zone, economic and technological development zone and Technology Park is developed rapidly, certain vertiplane project is located this city.Vertiplane hangar of spraying paint produces in process of production and moves back paint, Cleaning Wastewater, and this effluent part complicated component, Pollutant levels are high.Main containing aircraft scavenging solution raffinate, sanitas, greasy dirt, aircraft surfaces dust etc. in Cleaning Wastewater; Move back in paint waste water mainly containing the soluble substance, paint slag etc. that move back paint agent, aircraft surfaces coating.Under normal circumstances, the efflux wastewater of garden Nei Ge manufacturing enterprise, first will reach remittance to garden composite wastewater treatment plant after " integrated wastewater discharge standard " (GB8978-1996) three grades requirement through own treatment facility and focus on.
Due in such spraying waste water containing Cr6+, be the first kinds of pollution matter determined in " integrated wastewater discharge standard " (GB8978-1996), and quantity discharged exceedes most ceiling value, therefore adopts medicament oxidation style to remove.Containing large amount of organic in waste water station water inlet, biodegradable, be suitable for adopting biological treatment.Consider that such spraying waste water results from a certain specific production phase usually simultaneously, therefore there is intermittently discharged, the water yield is little, Pollutant levels are high, containing the feature of a large amount of hardly degraded organic substance.Waste water may once be discharged the interval a few days, also irregularly may discharge or low discharge continuous blow-down with production schedule.
Such waste water disposal facility existing mainly has the following disadvantages.The first, wastewater treatment equipment adopts the mode run continuously usually, will cause the problem that investment is high, energy consumption is high, working cost is high.The second, existing waste water disposal facility processing power adjustable extent is little, when workshop discharge the waste water water yield produce larger fluctuation time, usually can not meet processing requirements.Three, such waste water is except first kinds of pollution matter, also containing dense Equations of The Second Kind pollutent, as organism, can suspended solids etc.After the process of workshop outlet treatment unit, when Equations of The Second Kind pollutent enters next stage waste water disposal facility with water outlet, will impact aftertreatment systems, increase the weight of its processing load.Because such waste water disposal facility existing exists some shortcomings and deficiencies, so corresponding supporting Controlling System is difficult to the automatic operating realized truly.
In practice, the while of selecting processing power adjustable, flexible operation, level of automation relatively high, economic and practical high-efficiency sewage treatment facility and Controlling System become crucial.
Summary of the invention
For the water quality characteristics of aircraft spraying high pollution waste water, on the basis overcoming conventional processing apparatus and Controlling System defect, the invention provides a kind of spraying Waste Water Treatment based on intelligent logical controller, high-efficiency sewage treatment technology and intelligent logical control organically to combine by this system.
A kind of efficient spraying Waste Water Treatment based on intelligent logical controller of the present invention, comprises waste water disposal facility and Controlling System; Described waste water disposal facility comprises materializing strategy system, enhance biological treatment system and sludge treating system; Described materializing strategy system comprises the water inlet equalizing tank and pretreatment reaction pond that are connected by one-level lift pump, is provided with the first whipping appts in described pretreatment reaction pond, and is connected with oxidation precipitation chemicals dosing plant, acid-alkali accommodation chemicals dosing plant and flocculation agent chemicals dosing plant; Described enhance biological treatment system comprises the intermediate pool and biological reaction tank that are connected by three grades of lift pumps, and be provided with the second whipping appts in described biological reaction tank, described biological reaction tank is connected with air-blast device; Described pretreatment reaction pond is equipped with two-stage hoisting pump to the connecting pipeline of described intermediate pool; Described sludge treating system comprises sludge thickener and plate-and-frame filter press, and the connecting pipeline between described pretreatment reaction pond and described sludge thickener is provided with chemical sludge sludge pump; Connecting pipeline between described biological reaction tank and described sludge thickener is provided with excess sludge sludge pump, connecting pipeline between described sludge thickener and described plate-and-frame filter press is provided with pressure filter and enters dredge pump, and described plate-and-frame filter press is connected with described flocculation agent chemicals dosing plant; Described Controlling System comprises the electrical control cubicles being built-in with PLC and the field instrument be connected with described PLC and valve; Described electrical control cubicles cabinet door is provided with the manual/auto transfer lever of each equipment, the start/stop button of stand-alone debugging and one-touch start/stop button; Be provided with electric protection topworks and PLC in described electrical control cubicles cabinet, described PLC comprise one LOGO! The miniature principal controller of 24RC 0BA6 or 0BA7, two LOGO! DM8 24R extending controller and three LOGO! AM2 extending controller; The pilot switch contact of all devices electric control loop contactor in system is connected with wire with the input terminal in described PLC, output terminal respectively with field instrument and valve.
Further, the present invention is based on the efficient spraying Waste Water Treatment of intelligent logical controller, wherein, described LOGO! The miniature principal controller of 24RC0BA6, two LOGO! DM8 24R extending controller and three LOGO! AM2 extending controller is the intelligent logical controller series product that SIEMENS company produces.
Described one-level lift pump is provided with two; Acid-alkali accommodation chemicals dosing plant includes sour dosing pump and alkali dosing pump; Described flocculation agent chemicals dosing plant includes two PAM dosing pumps.
Described LOGO! The each module of the miniature principal controller of 24RC 0BA6 comprises eight input terminals and four output terminals; Described LOGO! The each module of DM8 24R extending controller comprises four digital-quantity input terminal and four digital quantity output terminals; Described LOGO! The each module of AM2 extending controller comprises two groups of analog input terminals, and described two groups of analog input terminals are in order to receive 0 ~ 10V or 0/4 ~ 20mA signal.
Described field instrument and valve comprise: the pH meter being separately positioned on the liquidometer on described water inlet equalizing tank, pretreatment reaction pond, intermediate pool, biological reaction tank and sludge thickener and being arranged on described pretreatment reaction pond, is arranged on the electrically operated valve on the water outlet pipeline of described biological reaction tank.
Compared with prior art, the invention has the beneficial effects as follows:
(1) the materializing strategy system in the present invention and enhance biological treatment system complement each other, and are two relatively independent system harmonies again, can intermittent operation as required, control flexibly.When the water water yield increases, number of run can be increased, to expand system treatment scale; When water discharge reduction, can long idle time be added, thus adapt to the operation under little water yield condition.Pretreatment reaction pond wherein and biological reaction tank are divided into some steps all chronologically, pretreatment reaction pond has annexed the steps such as redox reaction, flocculation reaction, flocculation sediment, biological reaction tank combines hypoxia response section and aerobic reaction section, therefore, whole system compact construction, has given full play to the high efficiency for the treatment of system.
(2) LOGO! The technology space between rly. and PLC filled up by intelligent logical controller, developed into modular standard package product.The present invention with LOGO! For main control unit, instead of many traditional switching arrangements, from the time relay until contactor, decrease electrical element, make that a whole set of reliability control system is high, volume is little, vibration resistance and electromagnetism interference is strong, annex is few, be convenient to the advantages such as installation, maintenance cost saving.Controlling System cost is reduced, and cost saving is up to about 50%.
(3) LOGO! Operating panel integrated on 0BA6 basic model body can be used for writing sequence of control, monitoring input/output state, and adjustment functional block parameter, display text, input/output variable etc., bring great convenience to execute-in-place.In addition, native system can carry out product innovation and program upgrade according to process control process and communication need to miniature principal controller 0BA6, and simultaneously abundant digital quantity and analog quantity spread module again can according to the handiness of control point requirement guarantee system, extensibility and compatibility.In today that industrial communication demand is growing, LOGO! The integrated Ethernet interface of 0BA6 upgrade version host module, can connect more senior automatic equipment by S7 agreement, can be connected can add expansion module to maximum configured by main website/slave station.Before upgrade version host module compatibility all LOGO! The circuit program of product, remain LOGO! The operating panel of product user close friend and the application characteristic of simple configuration.
(4) LOGO! Microcontroller, by resources such as inner integrated connector, basic functional blocks and specific function blocks, easily can realize complicated application.Supporting programming software supports the programming of logical block and ladder diagram, can realize totally the browsing of program, the input and output annotation of program, the upload and download of program, the debugging of program and amendment etc. on PC simultaneously; Can the whole of program be carried out without peripheral hardware or decompose simulation run, whether meet design requirements with testing procedures.A whole set of Controlling System programming is simple, debugging is convenient, the design cycle is short, can save the time up to about 70%.
(5) this cover Controlling System meets industrial standards completely, can be applied to various field condition and the more severe engineering place of weather condition.
Accompanying drawing explanation
Fig. 1 is that the efficient spraying Waste Water Treatment that the present invention is based on intelligent logical controller forms block diagram;
Fig. 2 is Controlling System wiring schematic diagram in the present invention.
In figure:
A-materializing strategy system B-enhance biological treatment system C-sludge treating system
10-water inlet equalizing tank 20-pretreatment reaction pond 30-intermediate pool
40-biological reaction tank 50-sludge thickener 21 ~ 25-liquidometer
26-pH counts 27-electrically operated valve 61-one-level lift pump
62-two-stage hoisting pump 63-tri-grades of lift pump 41-oxidation precipitation chemicals dosing plants
42-acid-alkali accommodation chemicals dosing plant 43-flocculation agent chemicals dosing plant 51-plate-and-frame filter press
52-chemical sludge sludge pump 53-excess sludge sludge pump 54-pressure filter enters dredge pump
31-first whipping appts 32-second whipping appts 33-air-blast device
01-LOGO! Power module 02-LOGO! 24RC 0BA6 microcontroller
03,04-LOGO! DM8 24R extending controller
05 ~ 07-LOGO! AM2 extending controller 11-electric power incoming line terminal 12-isolating switch
13-fusible cut-out, 14-digital-quantity input terminal (I1 ~ I16)
15-LOGO! Digital output terminal (Q1 ~ Q12)
16-analog input end 17-PE ground terminal 18-contactor auxiliary switch contact
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail.
The present invention is based on a kind of spraying Waste Water Treatment of intelligent logical controller, comprise waste water disposal facility and Controlling System.
As shown in Figure 1, described waste water disposal facility comprises materializing strategy system, enhance biological treatment system and sludge treating system.
Described materializing strategy system A comprises the water inlet equalizing tank 10 and pretreatment reaction pond 20 that are connected by one-level lift pump 61, and the pipeline preferably connected between water inlet equalizing tank 10 and pretreatment reaction pond 20 is provided with two one-level lift pump 61a and 61b; Be provided with the first whipping appts 31 in described pretreatment reaction pond 20, and be connected with oxidation precipitation chemicals dosing plant 41, acid-alkali accommodation chemicals dosing plant 42 and flocculation agent chemicals dosing plant 43, acid-alkali accommodation chemicals dosing plant 42 includes sour dosing pump 42a and alkali dosing pump 42b; Described flocculation agent chemicals dosing plant 43 comprises two PAM dosing pump 43a and 43b.
Described enhance biological treatment system B comprises the intermediate pool 30 and biological reaction tank 40 that are connected by three grades of lift pumps 63, is provided with the second whipping appts 32 in described biological reaction tank 40, and described biological reaction tank 40 is connected with air-blast device 33; Described pretreatment reaction pond 20 is equipped with two-stage hoisting pump 62 to the connecting pipeline of described intermediate pool 30.
Described sludge treating system C comprises sludge thickener 50 and plate-and-frame filter press 51, and the connecting pipeline between described pretreatment reaction pond 20 and described sludge thickener 50 is provided with chemical sludge sludge pump 52; Connecting pipeline between described biological reaction tank 40 and described sludge thickener 50 is provided with excess sludge sludge pump 53, connecting pipeline between described sludge thickener 50 and described plate-and-frame filter press 51 is provided with pressure filter and enters dredge pump 54, and described plate-and-frame filter press 51 is connected with described flocculation agent chemicals dosing plant 43.
In the present invention, materializing strategy system A is theoretical basis with chemical precipitation method, be mainly used in removing vertiplane spray paint hangar produce in process of production move back in paint, Cleaning Wastewater contained by suspended solids in first kind pollutent and Equations of The Second Kind pollutent and partial organic substances etc.; Enhance biological treatment system B for model, is mainly used in the pollutent such as residual organic substances in degrading waste water with SBR treatment process.Sludge treating system C discharges chemical sludge and excess sludge in order to collect above-mentioned two systems, realizes dehydration decrement.As shown in Figure 1, the principle of work of the described waste water disposal facility part system in the present invention is as follows:
The principle of work of described materializing strategy system A is: water inlet equalizing tank 10 is collected and stored waste water, the homogenizing water quality regulation water yield, pending waste liquid enters pretreatment reaction pond 20 through one-level lift pump 61 by the lifting of water inlet equalizing tank 10, after having intake, open the first whipping appts 31 in described pretreatment reaction pond 20, pollutant type is removed according to wish, by dosing pipe by oxidation precipitation chemicals dosing plant 41, corresponding medicament in acid-alkali accommodation chemicals dosing plant 42 joins in pretreatment reaction pond 20, after sufficient reacting, be adjusted to optimum operation environment, flocculation agent and coagulant aids is added from wadding flocculation agent chemicals dosing plant 43, enter the flocculation reaction stage, after certain hour, start the chemical sediment in deposition removal oxidizing reaction and impurity, last waste water enters enhance biological treatment system B, mud then drains into sludge thickener 50 through chemical sludge sludge pump 52.
The principle of work of described enhance biological treatment system B is: biological reaction tank 40 is made up of inlet segment, anoxic section, aerobic section and draining section.The water outlet of materializing strategy system A enters into intermediate pool 30 through two-stage hoisting pump 62, waste water is promoted through three grades of lift pump 63 intervals after the mixed adjustment of a nearly step and enters biological reaction tank 40.After having intake, open the second whipping appts 32 in described biological reaction tank 40, make to form anaerobic environment in biological reaction tank 40, after for some time, close the second whipping appts 32, open air-blast device 33, enter aerobic stage, after biological action completes, close air-blast device 33, start secondary sedimentation, realize mud-water separation.Enter sludge thickener 05 through excess sludge sludge pump 53, standard water discharge is discharged.
The principle of work of described sludge treating system C is: sludge thickener 50 is separated by gravity concentration, realizes preliminary decrement, and the mud after concentrated regularly enters dredge pump 54 pressurization by pressure filter and enters plate-and-frame filter press 51, realizes secondary decrement.
Described Controlling System in the present invention comprises the electrical control cubicles being built-in with PLC and the field instrument be connected with described PLC and valve.
As shown in Figure 2, the cabinet of electrical control cubicles described in the present invention door is provided with the manual/auto transfer lever of each equipment, the start/stop button of stand-alone debugging and one-touch start/stop button; Electric protection topworks and PLC is provided with in described electrical control cubicles cabinet.Described PLC by 220V/24V power module 01, LOGO! The miniature principal controller of 24RC 0,BA6 02, two LOGO! DM8 24R extending controller 03 and 04 and three LOGO! AM2 extending controller 05,06 and 07 is formed.Described 220V/24V power module 01 comprises electric power incoming line terminal 11, and line is connected to 1P isolating switch 12 and fusible cut-out 13.Described LOGO! The miniature principal controller of 24RC 0BA6, two LOGO! DM8 24R extending controller and three LOGO! AM2 extending controller is the intelligent logical controller series product that SIEMENS company produces.Described LOGO! The each module of the miniature principal controller of 24RC 0,BA6 02 comprises eight input terminals 14 (I1 ~ I8 in figure) and four output terminals 15 (Q1 ~ Q4 in figure); Two LOGO! Each module of DM8 24R extending controller 03 and 04 comprises four digital-quantity input terminal 14 (I9 ~ I12 in figure and I13 ~ I16) and four digital quantity output terminals 15 (Q5 ~ Q8 in figure and Q9 ~ Q12); Three LOGO! Each module in AM2 extending controller 05,06 and 07 comprises two groups of analog input terminals 16 (AI1 ~ AI2 in figure, AI3 ~ AI4 and AI5 ~ AI6), PE ground terminal 17.
As shown in Figure 1, described field instrument and valve comprise: the pH meter 26 being separately positioned on the liquidometer 21 ~ 25 on described water inlet equalizing tank 10, pretreatment reaction pond 20, intermediate pool 30, biological reaction tank 40 and sludge thickener 50 and being arranged on described pretreatment reaction pond 20, are arranged on the electrically operated valve 27 on the water outlet connecting pipeline of described biological reaction tank 40.
As shown in Figure 2, the pilot switch contact 18 of all devices electric control loop contactor in present system and the analog signals of five liquidometers 21 ~ 25 and pH meter 26 respectively with described LOGO! Digital-quantity input terminal 14 (I1 ~ I16 in figure) in controller, LOGO! Controller digital output terminal 15 (Q1 ~ Q12 in figure), analog input terminal 16 (AI1 ~ AI6 in figure) connect with wire respectively.Concrete connection corresponding relation refers to following table 1.
In the equipment debugging stage, when the manual/auto transfer lever of platform equipment every on on-the-spot electrical control cubicles door is placed in manual position, the every platform equipment in spraying Waste Water Treatment can respectively by electrical control cubicles door playing/stopping button by start-stop manually.
Normal operating phase, the manual/auto transfer lever of platform equipment every on on-the-spot electrical control cubicles door is placed in automated location, one-touch system on housing of pressing plays/stops button, sprays Waste Water Treatment when meeting entry condition successively by flow sequence startup optimization.
(1) operating procedure of materializing strategy system A is as follows:
(1-1) materializing strategy start button is pressed
(1-2) one-level lift pump 61 runs, and pending waste liquid enters pretreatment reaction pond 20 through one-level lift pump 61 by the lifting of water inlet equalizing tank 10, and after pretreatment reaction pond reaches high liquid level, water pump stops automatically; One-level lift pump 61a, 61b start-stop controls by liquidometer 21 in water inlet equalizing tank 10 simultaneously, realizes a high-order pump, low level termination of pumping.Water inlet equalizing tank 10 is when normal level, and one-level lift pump 61a, 61b the using and the reserved, within 24 hours, (time is adjustable) automatic alternate runs, and the one-level lift pump 61a when equalizing tank 10 of intaking reaches surcharge water level, 61b is starting operation simultaneously.
(1-3) after pretreatment reaction pond 20 has intake, open the first whipping appts 31, open oxidation precipitation chemicals dosing plant 41 and acid-alkali accommodation chemicals dosing plant 42 simultaneously, wherein sour dosing pump 42a first runs stopping in 15 minutes, rear alkali dosing pump 42b runs, until sufficient reacting, be adjusted to optimum operation environment (when the pH value in pretreatment reaction pond is 8) and stop afterwards, enter the flocculation reaction stage, PAM dosing pump 43a startup optimization stopped after 15 minutes, close the first whipping appts 31, start deposition removal chemistry sediment and impurity.
(1-4) after PAM dosing pump 43a stops 90 minutes, two-stage hoisting pump 62 startup optimization, waste water enters intermediate pool 30 by pretreatment reaction pond 02, and two-stage hoisting pump 62 is simultaneously by the low liquid level in pretreatment reaction pond 20 and the high Liquid level of intermediate pool 30.Mud then drains into sludge thickener 50 through chemical sludge sludge pump 52 timing.
(2) enhance biological treatment system B operating procedure is:
(2-1) enhance biological treatment system start button is pressed
(2-2) systems axiol-ogy, determine that electrically operated valve 27 is in closing condition biological reaction tank 40 low-end trim simultaneously, three grades of lift pumps 63 run, and reach after high liquid level until biological reaction tank 40 and stop, three grades of lift pumps 63 are protected by the low liquid level of intermediate pool simultaneously.
(2-3) after having intake, open the second whipping appts 32, make to form anaerobic environment in biological reaction tank 40, stop after 8 hours until operation; Close the second whipping appts 32, open air-blast device 33, enter aerobic stage, treat that air-blast device 33 runs 12 hours, after biological action completes, close air-blast device 33, start secondary sedimentation, realize mud-water separation.
(2-4) air-blast device 33 is after 1.5 hours out of service, opens electrically operated valve 27, reaches after low liquid level until biological reaction tank 40, closes electrically operated valve 27.Mud enters sludge thickener 50 through excess sludge sludge pump 53 timing.
(3) sludge treating system C operating procedure is: manual/auto transfer lever is placed in automatic transmission, according to the mud position of sludge thickener 50, regularly by manually opening plate-and-frame filter press 51, PAM dosing pump 43b and pressure filter enters dredge pump 54 coordinated operation.
Although invention has been described for composition graphs above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; when not departing from present inventive concept, can also make a lot of distortion, these all belong within protection of the present invention.
Claims (5)
1., based on an efficient spraying Waste Water Treatment for intelligent logical controller, it is characterized in that, comprise waste water disposal facility and Controlling System;
Described waste water disposal facility comprises materializing strategy system, enhance biological treatment system and sludge treating system;
Described materializing strategy system (A) comprises the water inlet equalizing tank (10) and pretreatment reaction pond (20) that are connected by one-level lift pump (61), be provided with the first whipping appts (31) in described pretreatment reaction pond (20), and be connected with oxidation precipitation chemicals dosing plant (41), acid-alkali accommodation chemicals dosing plant (42) and flocculation agent chemicals dosing plant (43);
Described enhance biological treatment system (B) comprises the intermediate pool (30) and biological reaction tank (40) that are connected by three grades of lift pumps (63), be provided with the second whipping appts (32) in described biological reaction tank (40), described biological reaction tank (40) is connected with air-blast device (33); Described pretreatment reaction pond (20) is equipped with two-stage hoisting pump (62) to the connecting pipeline of described intermediate pool (30);
Described sludge treating system (C) comprises sludge thickener (50) and plate-and-frame filter press (51), and the connecting pipeline between described pretreatment reaction pond (20) and described sludge thickener (50) is provided with chemical sludge sludge pump (52); Connecting pipeline between described biological reaction tank (40) and described sludge thickener (50) is provided with excess sludge sludge pump (53), connecting pipeline between described sludge thickener (50) and described plate-and-frame filter press (51) is provided with pressure filter and enters dredge pump (54), and described plate-and-frame filter press (51) is connected with described flocculation agent chemicals dosing plant (43);
Described Controlling System comprises the electrical control cubicles being built-in with PLC and the field instrument be connected with described PLC and valve; Described electrical control cubicles cabinet door is provided with the manual/auto transfer lever of each equipment, the start/stop button of stand-alone debugging and one-touch start/stop button; Be provided with electric protection topworks and PLC in described electrical control cubicles cabinet, described PLC comprise one LOGO! The miniature principal controller of 24RC 0BA6 or 0BA7, two LOGO! DM824R extending controller and three LOGO! AM2 extending controller;
The pilot switch contact of all devices electric control loop contactor in system, field instrument and valve are connected with wire respectively with the input terminal in described PLC, output terminal.
2. according to claim 1 based on the efficient spraying Waste Water Treatment of intelligent logical controller, wherein, described one-level lift pump (61) is provided with two; Acid-alkali accommodation chemicals dosing plant (42) includes sour dosing pump (42a) and alkali dosing pump (42b); Described flocculation agent chemicals dosing plant (43) includes two PAM dosing pumps.
3. according to claim 1 based on the efficient spraying Waste Water Treatment of intelligent logical controller, wherein, described LOGO! The miniature principal controller of 24RC 0BA6, two LOGO! DM824R extending controller and three LOGO! AM2 extending controller is the intelligent logical controller series product that SIEMENS company produces.
4. according to claim 3 based on the efficient spraying Waste Water Treatment of intelligent logical controller, wherein, described LOGO! The each module of the miniature principal controller of 24RC 0BA6 comprises eight input terminals and four output terminals; Described LOGO! The each module of DM824R extending controller comprises four digital-quantity input terminal and four digital quantity output terminals; Described LOGO! The each module of AM2 extending controller comprises two groups of analog input terminals, and described two groups of analog input terminals are in order to receive 0 ~ 10V or 0/4 ~ 20mA signal.
5. according to claim 1 based on the efficient spraying Waste Water Treatment of intelligent logical controller, wherein, described field instrument and valve comprise: the pH meter (26) being separately positioned on the liquidometer (21 ~ 25) on described water inlet equalizing tank (10), pretreatment reaction pond (20), intermediate pool (30), biological reaction tank (40) and sludge thickener (50) and being arranged on described pretreatment reaction pond (20), are arranged on the electrically operated valve (27) on the water outlet pipeline of described biological reaction tank (40).
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| CN201410564139.9A CN104310707A (en) | 2014-10-21 | 2014-10-21 | Efficient spraying wastewater treatment system based on intelligent logic controller |
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| CN201410564139.9A CN104310707A (en) | 2014-10-21 | 2014-10-21 | Efficient spraying wastewater treatment system based on intelligent logic controller |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106698755A (en) * | 2017-02-06 | 2017-05-24 | 苏州佳伟通环保科技有限公司 | Environmentally-friendly waste water and agent treatment system |
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Application publication date: 20150128 |