CN207210060U - Family domestic sewage processing system based on PLC and SBR - Google Patents
Family domestic sewage processing system based on PLC and SBR Download PDFInfo
- Publication number
- CN207210060U CN207210060U CN201721042687.0U CN201721042687U CN207210060U CN 207210060 U CN207210060 U CN 207210060U CN 201721042687 U CN201721042687 U CN 201721042687U CN 207210060 U CN207210060 U CN 207210060U
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- China
- Prior art keywords
- sbr
- reactor pond
- sbr reactor
- water
- plc
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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
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- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The utility model discloses a kind of family domestic sewage processing system based on PLC and SBR, including for importing the water feed apparatus of sewage and straining water installations for export clear water, also include being sequentially connected the coarse filter device for filtering big impurity with water feed apparatus, for the sbr reactor pond filtered the thin filter of small impurity and decomposed for harmful substance reaction, the sbr reactor pond is connected with straining water installations and sbr reactor pond is additionally provided with air-blast device for being blown into from air to sbr reactor pond, the sbr reactor pond is connected by a muddy water dehydrated structure with coarse filter device, form the system to remaining sewage reprocessing.Effectively sanitary sewage can be handled by the utility model, so as to environmental protection.
Description
Technical field
It the utility model is related to sewage treatment area, more particularly to a kind of family domestic sewage processing based on PLC and SBR
System.
Background technology
External sewage disposal technology starting is more early, is foring large-scale waste water control after World War II.To 70
Age Mo, Britain, the U.S. etc., most of developed countries all put into the large-scale municipal sewage treatment factory of huge fund construction, these factories
For example aerobic Acidizing Technology of more advanced sewage treatment process, SBR etc. are employed mostly, and sewage treating efficiency is high, to improving it
The water pollution problem of country plays key effect, is also accumulated from abundant sewage disposal experience.At present, at external sewage
Reason technology has reached very advanced level.State-of-the-art sewage disposal technology has been used by most sewage treatment plant, such as rises
Streaming anaerobic sludge layer reactor method, Gas biological filter, internal-circulation anaerobic reactor method etc..These process spent waters processing effect
Rate is high, and processing cost is low.In terms of sewage disposal, the sewage disposal of early stage is studied the problem of more land pollution and handled in China
With the natural treatment technology of complex ecosystem, and using these results of study as design basis, China establishes oxidation pond and soil
Some pilot projects of ground wastewater treatment.At the earliest sewage in China mainly based on activated sludge process, and in activated sludge process
On the basis of work out the sewage treatment process of many, such as A/O methods, CASS methods, AB methods, AB methods, A/A/O methods etc..
But the freshwater resources spatial distribution in China is very uneven, the more north of southern freshwater resources are few, and the north by
In excessive development of water resources, there is phenomena such as river cutout.The freshwater resources in China are reduced constantly, but water pollution is but
It is increasingly severe, wherein, many local sewage does not discharge directly by processing, causes environmental pollution.People live daily
Caused substantial amounts of sanitary sewage, the seldom of processing recycling can be passed through.The sanitary sewage utilization rate and handling rate in China are very
Low, certain measure is taken sanitary sewage in big city so that most sanitary sewage is handled and utilized, and water pollution is not
It is very serious.But the sanitary sewage disposal of some small cities or even samll cities and towns just allows of no optimist.Small city is due to no policy
With the support of fund, without fairly perfect sewage disposal policy and processing equipment, sanitary sewage is most of directly to be discharged, pollution
Water environment.Lack the processing to sanitary sewage so that environmental problem hampers the economic development in these cities and towns, or even serious threat
To the health of people.
Utility model content
The purpose of this utility model one is to provide a kind of family domestic sewage processing system based on PLC and SBR, can be with
Effectively sanitary sewage is handled, so as to environmental protection.
To realize the purpose, there is provided a kind of family domestic sewage processing system based on PLC and SBR, including for leading
Enter the water feed apparatus of sewage and the water installations of straining for exporting clear water, in addition to be sequentially connected with water feed apparatus big miscellaneous for filtering
The coarse filter device of matter, the thin filter for filtering small impurity and the sbr reactor pond decomposed for harmful substance reaction, institute
State that sbr reactor pond is connected with straining water installations and sbr reactor pond is additionally provided with air blast for being blown into from air to sbr reactor pond
Device, the sbr reactor pond are connected by a muddy water dehydrated structure with coarse filter device, are formed and are to remaining sewage reprocessing
System.
Preferably, the muddy water dehydrated structure includes the muddy water guiding device being connected with sbr reactor pond and muddy water export fills
Put and be connected to muddy water dehydration so as to export the muddy water dewaterer of mud cake, be connected to contain remaining sewage with muddy water dewaterer
The sewage backflow that remaining cesspool and remaining cesspool are connected to import in sewage in remaining cesspool coarse filter device fills
Put.
Preferably, the sbr reactor pond and remaining cesspool are by setting floating-ball level switch to carry out level sensing.
Preferably, the sbr reactor pond is additionally provided with for being detected in real time to the oxygen content of sbr reactor pond reclaimed water
Measurement of oxygen content device.
Preferably, the sbr reactor pond is additionally provided with the diving mixer for accelerating sbr reactor pond to react.
Preferably, the coarse filter device is coarse rack machine, and the thin filter is fine grid machine.
Preferably, the coarse filter device is provided with the first trash, and the thin filter is provided with the second trash.
Compared with prior art, its advantage is the utility model：
The utility model by PLC control sewage import sbr reactor pond and clear water export after remaining sewage at circulation
Reason, effectively can be handled sanitary sewage, saving water resource, so as to environmental protection.By setting in the utility model
Muddy water dehydrated structure is put, can effectively strengthen the processing accuracy of sewage, so as to avoid the discharge of sewage, mud cake need to only be discharged.
Control work to realize manual or automated control by PLC in the utility model, improve the practicality that uses and from
Dynamicization degree.Detection is carried out in the utility model to coarse filter device and thin filter both sides liquid level difference can effectively avoid
The blocking of filter, so as to avoid the efficiency of sewage disposal from reducing.Set in muddy water dehydrated structure and set in the utility model
Sewage can be precipitated by putting remaining cesspool, and and can saves the use cost of pump by focusing on.Sbr reactor pond sets air blast to fill
Put, measurement of oxygen content device and diving mixer can effectively control oxygen content in sbr reactor pond, so as to accelerate reaction effect
Rate decomposes harmful substance completely, improves the quality of sewage disposal.
Brief description of the drawings
Fig. 1 is the block diagram of the utility model.
Embodiment
With reference to embodiment, the utility model will be further described, but does not form to of the present utility model any
Limitation, the modification of any limited number of time made in the utility model claims scope, still in claim of the present utility model
In the range of.
As shown in figure 1, the utility model additionally provides a kind of family domestic sewage processing system based on PLC and SBR, bag
Include the water feed apparatus 1 for importing sewage and strain water installations 5 for export clear water, in addition to be sequentially connected with water feed apparatus 1
Decomposed for filtering the coarse filter device 2 of big impurity, the thin filter 3 for filtering small impurity and being reacted for harmful substance
Sbr reactor pond 4, sbr reactor pond 4 is connected with straining water installations 5 and sbr reactor pond 4 is additionally provided with for sbr reactor pond 4
In be blown into the air-blast device of air, sbr reactor pond 4 is connected by a muddy water dehydrated structure 7 with coarse filter device 2, is formed to surplus
The system of remaining sewage reprocessing.Sbr reactor pond 4 is additionally provided with for being detected in real time to the oxygen content of the reclaimed water of sbr reactor pond 4
Measurement of oxygen content device 9.Sbr reactor pond 4 is additionally provided with the diving mixer 8 for accelerating sbr reactor pond 4 to react.Thick mistake
Filter device 2 is coarse rack machine, and thin filter 3 is fine grid machine, and coarse filter device 2 is provided with the first trash 10, thin filtering
Device 3 is provided with the second trash 11.First trash 10 is coarse rack machine trash, and the second trash 11 is that fine grid machine is clear
Dirty machine.
Muddy water guiding device 71 that muddy water dehydrated structure 7 includes being connected with sbr reactor pond 4, connect with muddy water guiding device 71
Connect and be dehydrated for muddy water so as to export the muddy water dewaterer 72 of mud cake 12, be connected to contain remaining dirt with muddy water dewaterer 72
The remaining cesspool 73 of water and remaining cesspool 73 are connected to sewage in remaining cesspool 73 importing coarse filter device 2
Sewage backflow device 74.Sbr reactor pond 4 and remaining cesspool 73 are by setting floating-ball level switch to carry out level sensing.
In the present embodiment, from economy and the angle of practicality, the PLC as control device selects Siemens
For S7-300PLC as master controller, CPU is that 313C-2DP goes for more complicated control process and more input is defeated
Outgoing interface, CPU carry 16 digital quantity I/O input points and 16 digital quantity I/O output points met system digital quantity it is defeated
Enter output interface.PLC is connected with touch-screen, and the touch-screen is MCGS touch-screens, and it uses MPI agreements to be communicated, MPI agreements
It is a kind of communications protocol being used between PLC that Siemens works out, Siemens S7-300 PLC data-interface is MPI, and
MCGS touch screen data interfaces are RS232, and MCGS touch-screens will read the data of each register of Siemens S7-300 PLC,
MPI adapters are used, and the parameter of correlation is set so that PLC is carried out with touch-screen using unified message transmission rate
Communication.
In the present embodiment, each liquid level is detected by floating-ball level switch, and it is applied to corrosivity, high temperature, high pressure
Such as petrochemical industry, sewage disposal, the metering of medicine industrial level and control, its is simple in construction, and debugging is easy, and reliability is high, high
The features such as precision.Sewage disposal process needs to be controlled the liquid level in sbr reactor pond 4 and remaining cesspool 73, to sbr reactor
Alarmed when pond 4 and too high remaining cesspool 73.The break-make of floating-ball level switch ball float controlling switch, when ball float rises
When, magnet in ball float away from spring leaf, spring leaf can not adhesive, switch is off.When ball float declines, ball float
Internal magnet makes spring leaf adhesive, and switch is in an ON state.The height of water level is learnt according to the state of switch, so as to enter to water level
Row control.
In the present embodiment, measurement of oxygen content device 9 is dissolved oxygen sensing instrument.The present embodiment selection model SA29-
MP525 dissolved oxygen sensing instrument, its dissolved oxygen scope measured is 0~40mg/L, and measurement accuracy is ± 0.10mg/L, measures model
Big, precision height is enclosed, and supports RS232 data outputs so as to the convenient communication with PLC or computer.Suitable for sewage disposal, electricity
The needs such as power, petrochemical industry accurately measure the industry of dissolved oxygen.
In the present embodiment, water feed apparatus 1, muddy water guiding device 71 and sewage backflow device 74 are water pump, strain water dress
It is decanting machine to put 5.
In the present embodiment, air-blast device is air blower and the FREQUENCY CONTROL of air blast is carried out by frequency converter, so as to control
The air blower speed of service processed, controls the dissolved oxygen amount for the air blast of sbr reactor pond 4, controlling reaction tank.Frequency converter can be with embodiment
Mitsubishi's D700 frequency converters are selected, it is the high frequency converter of a energy utilization rate, easy to use, and frequency converter sets simplicity, is easy to
Operation.
The workflow of the present embodiment：Activation system, PLC control water feed apparatus 1 import the sewage that need to be handled, while PLC
Control coarse filter device 2 and thin filter 3 filter to sewage；Sewage imports sbr reactor pond 4 after filtering, when SBR is anti-
Answer water level in pond 4 to reach the liquid level of setting, then reacted, while PLC passes through measurement of oxygen content device 9 and detects sbr reactor pond
The oxygen content of 4 reclaimed waters is so as to control the size for controlling air-blast device to being blown into air in sbr reactor pond 4, to stablize sbr reactor pond
The oxygen content of 4 reclaimed waters, and control diving mixer 8 to accelerate the reaction speed in sbr reactor pond 4；React the sewage after terminating
Precipitated, supernatants after precipitation is extracted out by water decanter enters clear water reserviors, and PLC controls take off remaining muddy water by muddy water
Water-bound 7 carries out sludge dewatering, then transports the mud cake 12 after sludge dewatering and sewage is re-started into processing, avoid dirt
The discharge of water.
Effectively sanitary sewage can be handled by the present embodiment, saving water resource, so as to environmental protection.
It the above is only preferred embodiment of the present utility model, it should be pointed out that for those skilled in the art,
On the premise of not departing from the utility model structure, several modifications and improvements can also be made, these are new all without this practicality is influenceed
The effect and practical applicability that type is implemented.
Claims (7)
1. a kind of family domestic sewage processing system based on PLC and SBR, including for import sewage water feed apparatus (1) and
Water installations (5) are strained for export clear water, it is characterised in that：It is also big miscellaneous for filtering including being sequentially connected with water feed apparatus (1)
The coarse filter device (2) of matter, the thin filter (3) for filtering small impurity and for harmful substance reaction decompose SBR it is anti-
Ying Chi (4), the sbr reactor pond (4) is connected with straining water installations (5) and sbr reactor pond (4) are additionally provided with for anti-to SBR
The air-blast device of air is blown into Ying Chi (4), the sbr reactor pond (4) passes through a muddy water dehydrated structure (7) and coarse filter device
(2) connect, form the system to remaining sewage reprocessing.
A kind of 2. family domestic sewage processing system according to claim 1 based on PLC and SBR, it is characterised in that：Institute
State muddy water guiding device (71) and muddy water guiding device (71) that muddy water dehydrated structure (7) includes being connected with sbr reactor pond (4)
Muddy water dehydration is connected to so as to export the muddy water dewaterer (72) of mud cake (12), be connected to contain with muddy water dewaterer (72)
The remaining cesspool (73) of remaining sewage and remaining cesspool (73) are connected to import sewage in remaining cesspool (73) slightly
The sewage backflow device (74) of filter (2).
A kind of 3. family domestic sewage processing system according to claim 2 based on PLC and SBR, it is characterised in that：Institute
Sbr reactor pond (4) and remaining cesspool (73) are stated by setting floating-ball level switch to carry out level sensing.
A kind of 4. family domestic sewage processing system according to claim 1 based on PLC and SBR, it is characterised in that：Institute
State sbr reactor pond (4) and be additionally provided with the measurement of oxygen content for being used for being detected in real time to the oxygen content of sbr reactor pond (4) reclaimed water
Device (9).
5. a kind of family domestic sewage processing system based on PLC and SBR according to claim 1 or 4, its feature exists
In：The sbr reactor pond (4) is additionally provided with the diving mixer (8) for accelerating sbr reactor pond (4) to react.
A kind of 6. family domestic sewage processing system according to claim 1 based on PLC and SBR, it is characterised in that：Institute
It is coarse rack machine to state coarse filter device (2), and the thin filter (3) is fine grid machine.
A kind of 7. family domestic sewage processing system according to claim 6 based on PLC and SBR, it is characterised in that：Institute
State coarse filter device (2) and be provided with the first trash (10), the thin filter (3) is provided with the second trash (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042687.0U CN207210060U (en) | 2017-08-21 | 2017-08-21 | Family domestic sewage processing system based on PLC and SBR |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721042687.0U CN207210060U (en) | 2017-08-21 | 2017-08-21 | Family domestic sewage processing system based on PLC and SBR |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207210060U true CN207210060U (en) | 2018-04-10 |
Family
ID=61815911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721042687.0U Expired - Fee Related CN207210060U (en) | 2017-08-21 | 2017-08-21 | Family domestic sewage processing system based on PLC and SBR |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207210060U (en) |
-
2017
- 2017-08-21 CN CN201721042687.0U patent/CN207210060U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20200821 |
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| CF01 | Termination of patent right due to non-payment of annual fee |