CN208649055U - A kind of sewage treatment Distributed Control System - Google Patents
A kind of sewage treatment Distributed Control System Download PDFInfo
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- CN208649055U CN208649055U CN201820928795.6U CN201820928795U CN208649055U CN 208649055 U CN208649055 U CN 208649055U CN 201820928795 U CN201820928795 U CN 201820928795U CN 208649055 U CN208649055 U CN 208649055U
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Abstract
The utility model discloses a kind of sewage treatment Distributed Control System, including master operator station, from operator station, pretreating zone PLC, reaction tank area PLC, sewage diposal area PLC；Master operator station is attached by configuration software with from operator station；Pretreating zone PLC, reaction tank PLC, sewage diposal area PLC are connected with master operator station, from operator station respectively.The utility model uses SBR method, that is, sequencing batch reactor technique, for the sewage disposal system of garbage loading embeading factory, realizes to the automatic control of Sewage treatment system equipment and the monitoring of equipment state and adjustment；Host computer is main operator station, from operator station, is mutually backups using two PC machine, the stability of system can be improved；Sewage disposal system is broadly divided into three areas, and each area realizes the automatic control to field device by PLC respectively, had not only been adapted to harsh working environment, but also also ensure the stability of work.
Description
Technical field
The utility model relates to technical field of sewage, more specifically refer to a kind of sewage treatment Distributed Control System.
Background technique
Sewage treatment main technologic parameters index includes suspended solid (SS), total oxygen demand (TOD).At general secondary sewage
Factory's all two indexs of strict control suspended solid (SS) and biochemical oxygen demand (BOD) (BOD5) are managed, using them as the master of effluent quality
Want index.The concentration of suspended particulate in index suspended solid (SS) fingering water or water outlet.SS is the existing forms (glue of substance in water
One of body object, dissolved matter).Biochemical oxygen demand (BOD) (BOD) is under aerobic conditions, in aerobic microbiological oxygenolysis unit bodies ponding
The quantity of free oxygen consumed by organic matter indicates that unit is the mg/litre (O2, mg/l) of oxygen.
Sewage treatment plant generally sets thick, thin twice grid and intercepts different size of rubbish respectively, since coarse rack designs original
Because having failed always to operate normally since water flowing, all rubbish in sewage is caused to be dependent on 12 rotary drum type fine grates to block
It cuts, therefore the actual load of fine fack is considerably beyond design value, especially rainy day, quantity of refuse surges number in a short time in sewage
Times, so that aperture plate is easy blocking and cause wastewater flow sequence, also fine fack helical feed main shaft can be made to be broken because load is excessive, 12
Fracture defect all occurred for the main shaft of platform fine fack.Main shaft fracture defect frequently occurs for fine fack, main cause: transporting for a long time
Fine fack ontology is deformed after row, and lower part copper bush serious wear causes to scrape the space change between slag rake teeth and grizzly bar, is made
It scrapes slag rake teeth and grizzly bar is formed and rubbed, cause mechanical breakdown, and it is unclean to scrape rubbish；Quantity of refuse is more, and load is big, an operation
It cannot be transported away in time by screw spindle completely in period, product is around main shaft, when fine fack starts automatically again, main shaft
Torsional moment it is excessive, cause main shaft to be broken.
Utility model content
(1) the technical issues of solving
For the defect problem of above-mentioned prior art sewage treatment, the purpose of this utility model is to provide at a kind of sewage
Manage Distributed Control System, the sewage treatment system using SBR method, that is, sequencing batch reactor technique, for garbage loading embeading factory
System is realized to the automatic control of Sewage treatment system equipment and the monitoring of equipment state and adjustment.
(2) technical solution
A kind of sewage treatment Distributed Control System, including it is coarse rack spotter, the first elevator pump, fine fack spotter, heavy
Shallow lake pond, the second elevator pump, sbr reactor pond, residual sludge pump, sludge-tank, thickening all-in-one machine, tank；Coarse rack decontamination
Machine is connected by inlet pipeline with sewerage, and coarse rack spotter is connected by the first elevator pump with fine fack spotter；Carefully
Grid sewage-removing machine is connected by sedimentation basin, the second elevator pump with sbr reactor pond；Sbr reactor pond passes through residual sludge pump, sludge-tank
It is connected with thickening all-in-one machine, the sludge of thickening all-in-one machine processing is sent into sludge processing factory；SBR reaction tank also passes through
Tank is connected with user.
An embodiment according to the present utility model, the control system include master operator station, from operator station, pretreatment
Area PLC, reaction tank area PLC, sewage diposal area PLC；Master operator station is attached by configuration software with from operator station；In advance
Treatment region PLC, reaction tank PLC, sewage diposal area PLC are connected with master operator station, from operator station respectively；Pretreating zone packet
Coarse rack, fine fack, sedimentation basin are included, pretreating zone PLC is connected with coarse rack, fine fack, sedimentation basin respectively；Reaction tank area includes
Blender, air blower, return sludge pump, residual sludge pump, sensor, blender, air blower, return sludge pump, excess sludge
Pump, sensor are connected with reaction tank PLC respectively；Sewage diposal area include sludge add pump, thickening all-in-one machine, conveyer,
PH meter, liquidometer, sludge add pump, thickening all-in-one machine, conveyer, PH meter, liquidometer respectively with sewage diposal area PLC
It is connected.
An embodiment according to the present utility model, the coarse rack include grid sewage-removing machine, grid slag conveyer, squeezer,
Liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference
Meter is connected with pretreating zone PLC respectively.
An embodiment according to the present utility model, the fine fack include grid sewage-removing machine, grid slag conveyer, squeezer,
Liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference
Meter is connected with pretreating zone PLC respectively.
An embodiment according to the present utility model, the pretreating zone PLC, reaction tank PLC, sewage diposal area PLC are west
Door PLC, SIEMENS PLC S7-400.
(3) beneficial effect
Using the technical solution of the utility model, a kind of sewage treatment Distributed Control System, using SBR method, that is, sequence
Intermittent activated sludge process technique, for the sewage disposal system of garbage loading embeading factory, realize to Sewage treatment system equipment from
Dynamic control and the monitoring and adjustment of equipment state；Host computer is main operator station, from operator station, each other using two PC machine
Backup, can be improved the stability of system；Sewage disposal system is broadly divided into three areas, i.e. pretreating zone, reaction tank area, sludge
Treatment region, each area automatic control by PLC realization to field device respectively, had not only been adapted to harsh working environment, but also
Also ensure the stability of work.
Detailed description of the invention
In the present invention, identical appended drawing reference always shows identical feature, in which:
Fig. 1 is the utility model control system process frame chart；
Fig. 2 is the utility model Control system architecture block diagram；
Fig. 3 is coarse rack composition block diagram；
Fig. 4 is fine fack composition block diagram.
Specific embodiment
The technical solution of the utility model is further illustrated with reference to the accompanying drawings and examples.
In conjunction with Fig. 1, a kind of sewage treatment Distributed Control System, including coarse rack spotter, the first elevator pump, fine fack are removed
Dirty machine, sedimentation basin, the second elevator pump, sbr reactor pond, residual sludge pump, sludge-tank, thickening all-in-one machine, tank.Thick lattice
Grid spotter is connected by inlet pipeline with sewerage, and coarse rack spotter passes through the first elevator pump and fine fack spotter phase
Even；Fine fack spotter is connected by sedimentation basin, the second elevator pump with sbr reactor pond；Sbr reactor pond by residual sludge pump,
Sludge-tank is connected with thickening all-in-one machine, and the sludge of thickening all-in-one machine processing is sent into sludge processing factory；Sbr reactor pond is also
It is connected by tank with user.
Coarse rack spotter, fine fack spotter were used for the impurity in drainage；Sedimentation basin be mainly used for regulating water quality be,
The reaction in sbr reactor pond prepares；Sedimentation basin, reaction tank and the mating some related ancillary equipments of sludge treatment pond and sensor.
Sewage enters sewage disposal system by total pipeline first.Sewage first passes around coarse rack and filters out biggish impurity, then dirty
Water is transported to sedimentation basin after fine fack filters out lesser impurity, by the second elevator pump.Next it is carried out in sedimentation basin
The adjusting of water quality, the processing for the sbr reactor pond of next step are prepared.Sewage is got in SBR reaction tank by the second elevator pump
Carry out dephosphorization denitrogenation processing.The stillness of night on upper layer takes out through tank for users to use after the reaction was completed.Sbr reactor pond bottom of pond
Sludge a part by residual sludge pump return to sbr reactor pond, another part be transported to sludge-tank, thickening all-in-one machine into
The production of row mud cake.
In conjunction with Fig. 2, sewage treatment Distributed Control System, including master operator station, from operator station, pretreating zone PLC, anti-
Ying Chiqu PLC, sewage diposal area PLC；Master operator station is attached by configuration software with from operator station；Pretreating zone
PLC, reaction tank PLC, sewage diposal area PLC are connected with master operator station, from operator station respectively.Pretreating zone includes thick
Grid, fine fack, sedimentation basin, pretreating zone PLC are connected with coarse rack, fine fack, sedimentation basin respectively.In conjunction with Fig. 3, coarse rack packet
Include grid sewage-removing machine, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, the conveying of grid slag
Machine, squeezer, liquidometer, inlet valve, liquid level difference meter are connected with pretreating zone PLC respectively.In conjunction with Fig. 4, fine fack includes lattice
Grid spotter, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, grid slag conveyer, pressure
Crusher, liquidometer, inlet valve, liquid level difference meter are connected with pretreating zone PLC respectively.Reaction tank area include blender, air blower,
Return sludge pump, residual sludge pump, sensor, blender, air blower, return sludge pump, residual sludge pump, sensor respectively with
Reaction tank PLC is connected.Sewage diposal area includes that sludge adds pump, thickening all-in-one machine, conveyer, PH meter, liquidometer, sludge
Pump, thickening all-in-one machine, conveyer, PH meter, liquidometer is added to be connected with sewage diposal area PLC respectively.
Sewage disposal system is broadly divided into three areas, i.e. pretreating zone, reaction tank area, Treatment of Sludge area, wherein pre-processing
Area mainly realizes the mechanical treatment stage, filters biggish impurity, while regulating water quality, and pretreating zone control mainly includes thick lattice
The automatic control of grid, fine fack, sedimentation basin major process unit.Reaction tank area is mainly biochemical treatment stage, reaction tank area pair
The automatic control of sbr reactor pool process equipment.The sludge that Treatment of Sludge area is generated mainly for water process is handled, at sludge
Reason area includes the automatic control to conveyer, thickening all-in-one machine and some Inlet and outlet water valves.Using three PLC conducts
Slave computer realizes the control to field device, and PLC is adapted to harsh working environment, while also ensuring the stabilization of work
Property.Pretreating zone PLC, reaction tank PLC, sewage diposal area PLC are SIEMENS PLC, SIEMENS PLC S7-400.
Host computer is main operator station, from operator station, is mutually backups using two PC machine, and one is used as main monitoring equipment,
Another is used as from monitoring equipment.Another can be immediately switched to as master operator station when master operator station goes wrong.When
Master operator station, which has repaired, can switch back to master operator station, and the stability of system can be improved.
Fine fack spotter is made of sieve basket, hydro-peening water pipe, sieve basket cleaning brush, collection funnel, outer screwed pipe, conveying screw rod.Tool
It when body running, is rotated by driving screw shaft to be rotated with moving grid basket, the rubbish in sewage is trapped in grid after the filtering of grid basket
It in net, is brought by the grid basket rotated to slag input basket top, is entered in slag basket after flusher washes away, and is defeated after being promoted by conveyor screw
It send to outside machine.It is maximum in the fine fack structure to improve to be separated rubbish using the sieve of rotation outer ring, then by the inside
Screw spindle transport away.
In order to avoid main shaft fracture defect frequently occurs for fine fack spotter: vertical add being arranged in fine fack body panels
Strengthening tendons plate improves non-deformability；Its control system is transformed, converter plant is increased, is changed originally mode is directly initiated
At variable frequency starting, starting torsional moment can be reduced in this way, protect main shaft；By screw spindle overstriking, tube wall thickeies, makes to lead in this way
The load-bearing capacity of axis increases.By reinforcing daily maintenance dynamics, increase manual inspection frequency, when discovery has abnormal stridulation
Instant shutdown inspection is answered when ringing, removes a hidden danger in time, avoids major break down；Rainy day is encountered, in advance manual cleaning fine fack
Interior rubbish, and intake pump turn on pump situation is regarded, fine fack is turned in time to manual mode of operation, is cleared up rubbish in time, is avoided accumulating
It deposits and causes difficulty in starting.It in operation, is extraordinary mode using converter plant starting, as allow should be from now on for economic condition
Fine fack transformation in carry out comprehensively.
In conclusion using the technical solution of the utility model, the collecting and distributing control of the utility model embodiment sewage treatment
System, using SBR method, that is, sequencing batch reactor technique, for the sewage disposal system of garbage loading embeading factory, realization pair
The automatic control of Sewage treatment system equipment and the monitoring of equipment state and adjustment；Host computer is main operator station, from operation
Member station, is mutually backups using two PC machine, the stability of system can be improved；Sewage disposal system is broadly divided into three areas, i.e.,
Pretreating zone, reaction tank area, Treatment of Sludge area, each area realize automatic control to field device by PLC respectively, both can be with
Harsh working environment is adapted to, and also ensures the stability of work.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
The purpose of type, and it is not used as the restriction to the utility model, as long as in the essential scope of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the scope of the claims of the utility model.
Claims (4)
1. a kind of sewage treatment Distributed Control System, it is characterised in that: including coarse rack spotter, the first elevator pump, fine fack
Spotter, sedimentation basin, the second elevator pump, sbr reactor pond, residual sludge pump, sludge-tank, thickening all-in-one machine, tank；Slightly
Grid sewage-removing machine is connected by inlet pipeline with sewerage, and coarse rack spotter passes through the first elevator pump and fine fack spotter
It is connected；Fine fack spotter is connected by sedimentation basin, the second elevator pump with sbr reactor pond；Sbr reactor pond passes through excess sludge
Pump, sludge-tank are connected with thickening all-in-one machine, and the sludge of thickening all-in-one machine processing is sent into sludge processing factory；Sbr reactor
Pond also passes through tank and is connected with user,
Wherein, the control system includes master operator station, from operator station, pretreating zone PLC, reaction tank area PLC, sewage
Manage area PLC；Master operator station is attached by configuration software with from operator station；Pretreating zone PLC, reaction tank PLC, sewage
Treatment region PLC is connected with master operator station, from operator station respectively；Pretreating zone includes coarse rack, fine fack, sedimentation basin,
Pretreating zone PLC is connected with coarse rack, fine fack, sedimentation basin respectively；Reaction tank area includes blender, air blower, returned sludge
Pump, residual sludge pump, sensor, blender, air blower, return sludge pump, residual sludge pump, sensor respectively with reaction tank
PLC is connected；Sewage diposal area includes that sludge adds pump, thickening all-in-one machine, conveyer, PH meter, liquidometer, and sludge adds
Pump, thickening all-in-one machine, conveyer, PH meter, liquidometer are connected with sewage diposal area PLC respectively.
2. a kind of sewage treatment Distributed Control System as described in claim 1, it is characterised in that: the coarse rack includes grid
Spotter, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, grid slag conveyer, squeezing
Machine, liquidometer, inlet valve, liquid level difference meter are connected with pretreating zone PLC respectively.
3. a kind of sewage treatment Distributed Control System as described in claim 1, it is characterised in that: the fine fack includes grid
Spotter, grid slag conveyer, squeezer, liquidometer, inlet valve, liquid level difference meter, grid sewage-removing machine, grid slag conveyer, squeezing
Machine, liquidometer, inlet valve, liquid level difference meter are connected with pretreating zone PLC respectively.
4. a kind of sewage treatment Distributed Control System as described in claim 1, it is characterised in that: the pretreating zone PLC, anti-
Answering pond PLC, sewage diposal area PLC is SIEMENS PLC, SIEMENS PLC S7-400.
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| CN201820928795.6U CN208649055U (en) | 2018-06-15 | 2018-06-15 | A kind of sewage treatment Distributed Control System |
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| CN201820928795.6U CN208649055U (en) | 2018-06-15 | 2018-06-15 | A kind of sewage treatment Distributed Control System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606617A (en) * | 2018-06-15 | 2019-12-24 | 上海城投污水处理有限公司 | Sewage treatment distributed control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606617A (en) * | 2018-06-15 | 2019-12-24 | 上海城投污水处理有限公司 | Sewage treatment distributed control system |
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