CN202041828U - Water inflow unstable-variation analog control system for biological wastewater treatment - Google Patents
Water inflow unstable-variation analog control system for biological wastewater treatment Download PDFInfo
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- CN202041828U CN202041828U CN2011200102134U CN201120010213U CN202041828U CN 202041828 U CN202041828 U CN 202041828U CN 2011200102134 U CN2011200102134 U CN 2011200102134U CN 201120010213 U CN201120010213 U CN 201120010213U CN 202041828 U CN202041828 U CN 202041828U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The utility model discloses a water inflow unstable-variation analog control system for biological wastewater treatment. The water inflow unstable-variation analog control system comprises a management layer, a control layer and an execution layer, wherein the management layer is an upper computer with a database for storing detection data and a service database; the control layer is a lower computer PLC (Programmable Logic Controller) for controlling the rotational speed of a peristaltic pump; the execution layer is an MCC (Mission Control Center) motor control cabinet for actuating the operating instruction of a lower computer; the water inflow amount and cycle, the water inflow initial phase angle and the water inflow sinusoid crests and hollows are controlled to control an analog system; and the water inflow modes and water inflow amount conditions of various biological wastewater treatment technologies are realized according to the adjustment of water inflow control process, so as to simulate the water inflow conditions confronted by sewage treatment plants and projects to the maximum extent. The water inflow unstable-variation analog control system can realize simulation of unstable variation of water inflow quality and amount in the biological wastewater treatment technology and freely simulate various water inflow amount variation situations.
Description
Technical field
The utility model belongs to technical field of water pollution control in the environmental protection; the analog control system that relates to a kind of influent quality water yield dynamic change of developing based on biological effluent treatment technology; the characteristics that the influent quality water yield unstable state of simulation actual sewage treatment plant changes; be applicable to that with actual cities sewage or high ammonia-nitrogen wastewater be process object, the lab scale of laboratory study scale or pilot scale biological effluent treatment technology.
Background technology
All adopts quantitatively water inlet on to the lab scale of wastewater treatment or pilot scale research or the mode of regularly intaking studies according to the relevant now research institution of the inquiry of data and universities and colleges, quantitatively remain a substantially invariable amount among the process of the i.e. operation of water inlet and intake the intermittent water inflow at times of regularly intaking promptly.There are two problems in the biological effluent treatment shop characteristic of studying under this water intake mode condition: 1, the amount of inlet water condition is too single, and technology has certain one-sidedness to the Pollutant Treatment ability under the inflow condition in order to decide; 2, lack research, the ability of severe weather conditions such as reply heavy rain in the unpredictable actual waste water processing procedure of test findings to the anti-water yield impact load of technology performance; 3, the waste of the resource and the energy, bench-scale successful biological effluent treatment technology are gone into operation in practical engineering application failure in a single day, will mean tremendous loss, do not meet sustainable wastewater treatment theory.Test findings such as the shop characteristic of studying under the water inlet condition at regular time and quantity and actual production operating condition differ greatly, and can not instruct practical engineering application well.If in bench-scale lab scale or pilot scale research, the inflow dynamic rule that faces in the exploitation simulation actual waste water treatment project, the multiple water inlet change condition of real-time change, under the prerequisite of stable state water inlet process characteristic research, expand the operational characteristic research under the unstable state water inlet condition, will remedy the above defective that existing wastewater treatment correlative study mechanism and universities and colleges exist, applying of scientific payoffs and yield-power conversion process are had important effect.
The utility model content
The purpose of this utility model is at different amount of inlet water of sewage treatment plant and change of water quality characteristics, provides a cover to be applicable to the influent quality water yield unstable state change modeling system of laboratory study scale biological effluent treatment technology.This system changes conventional quantitative fixed point water intake mode, waste water can in time respond water intake mode according to predefined water inlet control strategy, the water quality and the water yield dynamic change of implement device water inlet, expand the research of the anti-water quality and quantity impact load of device performance, the successful Application of ultimate guarantee research device in actual engineering.
The utility model is to adopt following technological means to realize:
A kind of biological effluent treatment technology amount of inlet water unstable state change modeling system comprises administration and supervision authorities, key-course and execution level; Administration and supervision authorities are to have storage to detect the database of data and the host computer of runtime database, and key-course is the slave computer Programmable Logic Controller of control peristaltic pump rotating speed, and execution level is for carrying out the MCC motor controlling cabinet of slave computer operational order; Host computer is electrically connected with the slave computer Programmable Logic Controller, and passes to slave computer with under the setup parameter; The slave computer Programmable Logic Controller is connected with measuring instrument, MCC motor controlling cabinet, valve regulated or variable frequency control cabinet respectively; Measuring instrument is connected with the MCC motor controlling cabinet, be connected between MCC motor controlling cabinet and valve regulated or the variable frequency control cabinet; On-line sensor is connected with measuring instrument, and raw water pump, reflux pump and stirring machine are connected with the MCC motor controlling cabinet, is connected between fan blower and valve regulated or the variable frequency control cabinet.
Aforesaid detection data comprise: the aeration flow of dissolved oxygen concentration, pH value, each section flow of inlet water, aerobic section.
Aforesaid service data comprises: digital quantity input, digital quantity output, analog quantity input, analog quantity output, intermediate variable.
Aforesaid MCC motor controlling cabinet is provided with mobile phone/automatic change over.
The utility model compared with prior art has following remarkable advantages and beneficial effect:
The variation of municipal wastewater influent load is simulated by real-time change total inflow by this system, and the determining of total inflow changes the value proportionally dwindle according to the water inlet of some typical urban of investigation.According to the variation of total inflow, control the flow of each section water inlet.The software that the control inflow changes is worked out by the PLC trapezoid figure language.The steering order of this control system mainly contains: each wriggling priming of pump or stop to also have the instruction of system operation.The dynamic change parameter of this control system simulation actual sewage treatment plant day inflow mainly contains: period of change is set, maximum inflow is set, minimum inflow is set, the water inlet initial phase angle is set, integrated combination by following three kinds of control flows realizes biological process of wastewater treatment influent quality water yield unstable state change modeling system, can freely simulate various amount of inlet water situations of change:
Description of drawings
Fig. 1 is biological waste water treatment process control system figure.
Embodiment
Below in conjunction with Figure of description specific embodiment of the utility model is illustrated.
Fig. 1 is the control system of biological waste water treatment process, below various piece is illustrated.
The biological effluent treatment process control system mainly is to finish jointly by host computer (PC), slave computer Programmable Logic Controller (PLC) and operation layer motor controlling cabinet (MCC).Below various piece is illustrated.
Host computer (PC) is electrically connected with slave computer Programmable Logic Controller (PLC), and slave computer Programmable Logic Controller (PLC) is connected with measuring instrument, operation layer MCC motor controlling cabinet, valve regulated or variable frequency control cabinet respectively; Measuring instrument is connected with operation layer MCC motor controlling cabinet, be connected between operation layer motor controlling cabinet (MCC) and valve regulated or the variable frequency control cabinet; On-line sensors such as organism, nitrogen and dissolved oxygen DO are connected with measuring instrument, and electric equipments such as raw water pump, reflux pump and stirring machine are connected with operation layer MCC motor controlling cabinet, are connected between fan blower and valve regulated or the variable frequency control cabinet.
Host computer (PC) picture can write various steering orders and pass various variable quantity parameters down to Programmable Logic Controller (PLC), also can gather running status and operational factor simultaneously.
Host computer adopts common microcomputer (PC), system is WENDOS-XP, it is " industrial monitoring configuration software " that application software is installed, store various detection data by setting up stored data base, the analog data that this system detected has: the aeration flow of dissolved oxygen concentration, pH value, each section flow of inlet water, aerobic section etc.Runtime database is used for the various digital quantities inputs (DI) that are relevant to system operation of configuration, digital quantities outputs (DO), analog quantitys inputs (AI), analog quantitys outputs (AO), intermediate variable (M) etc.More than the variable of two databases be linked by communications protocol and the slave computer (PLC) that weaves, realize passing to slave computer (PLC) under the setup parameter of host computer (PC), change the parameter of control strategy at any time.The detected parameters of slave computer (PLC) uploads to host computer (PC), in real time the data of display simulation amount.
The program of slave computer (PLC) internal memory is the system control strategy that weaves according to technological requirement, instruct by various logic operational order and mathematical operation and to carry out control strategy, control each peristaltic pump and change the adjusting that rotating speed reaches flow, finish the dynamic change of simulation actual sewage treatment plant day inflow according to the requirement of dynamic change.
Motor controlling cabinet (MCC) is to carry out the duty that various operational orders that slave computer (PLC) sends are controlled online measuring instrument, and the operation of every raw water pump, reflux pump and stirrer and fan blower stops.Simultaneously every current running status of equipment is uploaded to slave computer (PLC), motor controlling cabinet (MCC) is provided with on the spot, manual and long-range three kinds of modes of operation." on the spot " promptly start and stop to control the other control of the machine that is commonly called as on electrical equipment machine next door, " manually " is the switch board button control, and " long-range " is promptly by PC control.
This system forms the three-layer network control system.Host computer (PC) is administration and supervision authorities, just can remotely changing operational factor and Correction and Control strategy at host computer, show the running status of storage running data and electrical equipment simultaneously.Slave computer (PLC) is a key-course, CPU in the middle of this layer has stored the core control strategy of " improvement advanced nitrogen and phosphorus removal by step feed process control systems under the unstable state water inlet condition ", and it can accept host computer (PC) to the change of current operational factor and the correction of control strategy.Give host computer (PC) the various data upload of coming simultaneously from the operation layer collection.Motor controlling cabinet (MCC) can be thought operation layer, and it has two kinds of functions, and the steering order that strict execution slave computer (PLC) is assigned under auto state feeds back to slave computer (PLC) to current equipment running status simultaneously.When at manual state, carry out artificial operation, the operating right of this system is that manual manually-operated authority is higher than upward bit manipulation automatically.
1. administration and supervision authorities host computer (PC)
What this system was pursued is that system stability and mechanism are flexible, to host computer (PC) parameter request is:
A. adopt brand of computer;
The b.CPU class is high more good more, at least more than the PIV;
C. internal memory is at least more than the 2G;
D. the hard drive space that needs 600M;
The e.CD/DVD CD-ROM drive uses during install software;
F. LPTx ports or USB mouth use when inserting softdog and use during report output;
G.VAG and SVAG display card and display, video memory can be supported 1024*768 or high resolving power more more than 64M;
H. mouse, keyboard;
I. sound card is supported audible alarm output;
J. Ethernet card is supported ethernet communication;
K. computing machine has been pre-installed Windows XP professional version;
L. the homemade industrial data monitoring and control configuration software installed of configuration software.
Host computer (PC) adopts ethernet communication with the communication of slave computer (PLC), and this system of reply practical engineering application can form the control system of the ethernet communication of maximum ten main website host computers (PC) and maximum 128 substation slave computers (PLC).
2. key-course slave computer (PLC)
This system selected Programmable Logic Controller (PLC) is an internationally renowned brand.According to the needs of system, CPU module, 8DI digital quantity input module, 8AI analog quantity load module, 4AO analog output module, ethernet communication module have been disposed at 40.
The control strategy that the storage of CPU module memory weaves according to technological requirement, this this machine of CPU module has 16DO point, 24DI point.Power supply is fit to on-the-spot the use for 220VAC.The PORT mouth of CPU module is connected with Ethernet switch by ethernet module and is being connected with host computer (PC).Host-host protocol is the Industrial Ethernet stipulations.
Expansion module DI AI the AO input/output port that adopts band photoelectricity to isolate, guarantee the safe and reliable of system.
3. operation layer motor controlling cabinet (MCC)
This motor controlling cabinet (MCC) is provided with mobile phone/automatic change over, selects when manual that the direct labor operates the starting of electrical equipment or stops on switch board, selects when automatic by upper control.Be provided with emergency stop switch, when finding abnormal running, can press emergency stop switch and stop this operation.But direct control raw water pump on the switch board, stirrer and fan blower show each raw water pump simultaneously, reflux pump, the running status indication of stirrer and fan blower.
Claims (2)
1. a biological effluent treatment inflow unstable state change modeling control system comprises administration and supervision authorities, key-course and execution level; It is characterized in that: described administration and supervision authorities are to have storage to detect the database of data and the host computer of runtime database, and key-course is the slave computer Programmable Logic Controller of control peristaltic pump rotating speed, and execution level is for carrying out the MCC motor controlling cabinet of slave computer operational order; Host computer is electrically connected with the slave computer Programmable Logic Controller, and passes to slave computer with under the setup parameter; The slave computer Programmable Logic Controller is connected with measuring instrument, MCC motor controlling cabinet, valve regulated or variable frequency control cabinet respectively; Measuring instrument is connected with the MCC motor controlling cabinet, be connected between MCC motor controlling cabinet and valve regulated or the variable frequency control cabinet; On-line sensor is connected with measuring instrument, and raw water pump, reflux pump and stirring machine are connected with the MCC motor controlling cabinet, is connected between fan blower and valve regulated or the variable frequency control cabinet.
2. biological effluent treatment inflow unstable state change modeling control system according to claim 1, it is characterized in that: described MCC motor controlling cabinet is provided with mobile phone/automatic change over.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200102134U CN202041828U (en) | 2011-01-13 | 2011-01-13 | Water inflow unstable-variation analog control system for biological wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011200102134U CN202041828U (en) | 2011-01-13 | 2011-01-13 | Water inflow unstable-variation analog control system for biological wastewater treatment |
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| CN202041828U true CN202041828U (en) | 2011-11-16 |
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| CN2011200102134U Expired - Lifetime CN202041828U (en) | 2011-01-13 | 2011-01-13 | Water inflow unstable-variation analog control system for biological wastewater treatment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096406A (en) * | 2011-01-13 | 2011-06-15 | 北京工业大学 | Simulation control system and control system for unsteady change of water inflow during biological waste water treatment |
| CN102703314A (en) * | 2012-05-24 | 2012-10-03 | 中国科学院北京基因组研究所 | Control system for DNA (Deoxyribose Nucleic Acid) sequencer |
| CN103439913A (en) * | 2013-08-29 | 2013-12-11 | 广西三威林产工业有限公司 | Soft water processing control system |
| CN109933027A (en) * | 2019-02-28 | 2019-06-25 | 重庆工商大学 | Sewage management platform based on factory's group's monitoring water quality and modelling management |
| CN109976187A (en) * | 2019-02-28 | 2019-07-05 | 重庆工商大学 | The sewage management platform for being optimized based on biochemical wastewater treatment and being finely aerated |
| CN109976270A (en) * | 2019-02-28 | 2019-07-05 | 重庆工商大学 | Municipal sewage treatment cloud management platform |
| CN112182891A (en) * | 2020-09-30 | 2021-01-05 | 深圳市智物联网络有限公司 | Industrial object simulation method, device and equipment |
-
2011
- 2011-01-13 CN CN2011200102134U patent/CN202041828U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102096406A (en) * | 2011-01-13 | 2011-06-15 | 北京工业大学 | Simulation control system and control system for unsteady change of water inflow during biological waste water treatment |
| CN102703314A (en) * | 2012-05-24 | 2012-10-03 | 中国科学院北京基因组研究所 | Control system for DNA (Deoxyribose Nucleic Acid) sequencer |
| CN102703314B (en) * | 2012-05-24 | 2013-09-04 | 中国科学院北京基因组研究所 | Control system for DNA (Deoxyribose Nucleic Acid) sequencer |
| CN103439913A (en) * | 2013-08-29 | 2013-12-11 | 广西三威林产工业有限公司 | Soft water processing control system |
| CN103439913B (en) * | 2013-08-29 | 2015-11-25 | 广西三威林产工业有限公司 | Soft brush treatment control system |
| CN109933027A (en) * | 2019-02-28 | 2019-06-25 | 重庆工商大学 | Sewage management platform based on factory's group's monitoring water quality and modelling management |
| CN109976187A (en) * | 2019-02-28 | 2019-07-05 | 重庆工商大学 | The sewage management platform for being optimized based on biochemical wastewater treatment and being finely aerated |
| CN109976270A (en) * | 2019-02-28 | 2019-07-05 | 重庆工商大学 | Municipal sewage treatment cloud management platform |
| CN109976187B (en) * | 2019-02-28 | 2021-08-17 | 重庆工商大学 | Sewage management platform based on sewage biochemical treatment optimization and fine aeration |
| CN112182891A (en) * | 2020-09-30 | 2021-01-05 | 深圳市智物联网络有限公司 | Industrial object simulation method, device and equipment |
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Granted publication date: 20111116 |
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