CN109734259A - Environmentally friendly decentralized type sewage governing system and method - Google Patents
Environmentally friendly decentralized type sewage governing system and method Download PDFInfo
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- CN109734259A CN109734259A CN201910181798.7A CN201910181798A CN109734259A CN 109734259 A CN109734259 A CN 109734259A CN 201910181798 A CN201910181798 A CN 201910181798A CN 109734259 A CN109734259 A CN 109734259A
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Abstract
It includes wastewater collection pond, mechanical scarfing cinder grid, setting pot, flotation tank, intermediate storage pond, biological aerated filter, settling tank, the second flotation tank and monitoring pond that the present invention, which discloses a kind of environmentally friendly decentralized type sewage governing system and method, the system,；In automatic control process, controller receives light transmittance values, level value, flow value, COD and the BOD that each sensor uploads, and the work of automatic charging equipment and solenoid valve is analyzed by each data and controlled to controller.The present invention is adjusted sewage flow direction with amount of storage by the quality of waste water in each process, and sewage is enable to obtain quick, complete processing, and biological aerated filter can be in the state of efficiency operation for a long time；It is also detected by the real-time light transmittance to sewage, and matches the amount that flocculating chamber and the sedimentation agent in settling tank is added according to the real-time light transmittance of sewage, and by control automatic charging equipment auto feed, it is very efficient and convenient.
Description
Technical field
The invention belongs to technical field of sewage, specifically, being related to a kind of environmentally friendly decentralized type sewage governing system and side
Method.
Background technique
With the development of modern industry, people's lives level is also greatly improved, but is mentioned in living standard
While high, the industry of rapid development also brings pollution, in order to improve the utilization rate of water resource, water conservation, Ren Menjian
Vertical sewage disposal system, is handled trade effluent and sanitary sewage, in the prior art, main sewage treatment is to pass through collection
The sewage of various regions is exactly drained to sewage treatment plant, then carries out centralized processing to sewage by sewage treatment plant by middle processing,
This method can save a large amount of labours and construction cost in the area that source of sewage is concentrated, but sparse in sewage source distribution
Place establishes sewage drainage network to focus on to sewage, can greatly promote cost, and at this moment just needs distributing dirty
Water treatment system.
Decentralized type sewage governing system is the sewage progress treatment in situ discharged to some areas or building, then will on the spot
The water discharge handled well, without establishing sewage vent line network, is not laid with sewage treatment transport pipeline on some peripheries
In building, such as the lavatory at scenic spot, the sewage treatment in hotel and some a small ranges or the sewage treatment of special industry usually
Can use, but decentralized type sewage in the prior art processing due to space it is limited, encounter flow it is larger when can not quickly and
When handle it, and need manually to be assisted in treatment process, it is inconvenient, in order to solve this problem, the present invention
Provide following technical scheme.
Summary of the invention
The purpose of the present invention is to provide a kind of environmentally friendly decentralized type sewage governing system and methods.
The technical problem to be solved in the invention are as follows:
1, decentralized type sewage processing system in the prior art, flow and dirt due to finite volume, by sewage discharge
Pollutant concentration contained by water is affected, and when working overloadingly, wastewater treatment efficiency is poor, and can be due to pollutant
Accumulation and influence the normal work of sewage disposal system；
2, existing decentralized type sewage processing system is run by human assistance at runtime, in the processing for carrying out sewage
When, it needs manually to add the substances such as sedimentation agent, disinfectant, on the one hand lavish labor on, it on the other hand can not be according to the dirt of sewage
Dye object changes of contents accurately adds the substances such as proper amount of sedimentation agent.
The purpose of the present invention can be achieved through the following technical solutions:
Environmentally friendly decentralized type sewage governing system, including wastewater collection pond, mechanical scarfing cinder grid, setting pot, flotation tank, centre
Storage pool, biological aerated filter, settling tank, the second flotation tank and monitoring pond；
Waste water is transmitted to setting pot for receiving treatment sewage by the wastewater collection pond；
The setting pot is precipitated using aeration type setting pot for the grit in sewage to be carried out precipitating collection
Grit is collected by the sand catcher that sand setting bottom of pond portion is arranged, and the supernatant of setting pot is arranged to the first flotation tank, setting pot with
Solenoid valve R1 and flowmeter Q1 are installed on the pipeline between the first flotation tank；
First flotation tank includes flocculating chamber, bubble contact room and separation chamber, by adding sedimentation agent in flocculating chamber,
To form wadding grain in sewage, and the microbubble generated by bubble contact room carries out adherency capture to wadding grain, and by dividing
The pollutant that first flotation tank processing sewage generates is discharged flotation tank Slag Scraping Device from room setting, the water outlet of the first flotation tank
It is separately connected the water inlet in intermediate storage pond and the water inlet of biological aerated filter, first flotation tank and intermediate storage pond
Between pipeline on solenoid valve R2 and flowmeter Q2 are installed, installed on the pipeline between the first flotation tank and biological aerated filter
There is solenoid valve R11；
The intermediate storage pond is transmitted to aeration life for temporarily storing the processed waste water of the first flotation tank, and by waste water
Object filter tank is provided with solenoid valve R3 and flowmeter Q3 on the pipeline between the intermediate storage pond and biological aerated filter；
The water inlet of the water outlet connection settling tank of the biological aerated filter, the biological aerated filter and settling tank it
Between pipeline on solenoid valve R4 and flowmeter Q4 are installed；
The settling tank further sterilizes waste water using disinfectant and carries out solid matter sedimentation by sedimentation agent,
The water inlet in the water outlet connection monitoring pond of settling tank and the water inlet of the second flotation tank, between the settling tank and monitoring pond
Pipeline on solenoid valve R5 and flowmeter Q5 be installed, be provided with filter screen, settling tank and second between settling tank and monitoring pond
Solenoid valve R6 and flowmeter Q6 are installed on the pipeline between flotation tank；
Second flotation tank includes bubble contact room and separation chamber, is pacified on the pipeline between the second flotation tank and monitoring pond
Equipped with solenoid valve R7 and flowmeter Q7；
The pollutant load in waste water is detected, institute for temporarily storing processed waste water in the monitoring pond
It states and solenoid valve R8 and flowmeter Q8 is installed on the pipeline between monitoring pond and the first flotation tank, monitor between pond and extraneous water body
Discharge tube on solenoid valve R9 and flowmeter Q9 are installed；
Light transmittance detection device, the light transmittance are provided on the setting pot, flocculating chamber, settling tank and monitoring pond
Detection device includes transparent rectangular tube, light transmittance tester photophore and light transmittance tester receiver, described transparent rectangular
Pipe is square pipe made of transparent material, is fixedly installed with light transmittance tester photophore, rectangular tube in the one side of rectangular tube
Light transmittance tester receiver, one end of rectangular tube and pond body are installed in the one side opposite with light transmittance tester photophore
It connects, the other end of rectangular tube is equipped with solenoid valve R10；
The detection method of the light transmittance detection device are as follows: controller opens solenoid valve R10, sand setting every setting time T1
Water in pond, flocculating chamber, settling tank or monitoring pond is flowed out along rectangular tube, is closed solenoid valve R10 at this time, is full of water in rectangular tube,
Light transmittance tester photophore and light transmittance tester receiver are opened, obtains a light transmittance values, and transmit it to control
Device processed；
The wastewater collection pond, setting pot, the first flotation tank, intermediate storage pond, biological aerated filter, settling tank, monitoring
Liquid level sensor is mounted in pond and the second flotation tank, liquid level sensor reads the liquid level information in corresponding pond and passed
Transport to controller；
It is mounted on automatic charging equipment in the flocculating chamber and settling tank, sedimentation agent is housed in automatic charging equipment, wherein
Automatic charging equipment in settling tank is also equipped with disinfectant；
It is mounted on COD sensor and BOD sensor in the settling tank and monitoring pond, wherein COD sensor is used for
The COD of water is detected, BOD sensor is used to detect the BOD of water, and COD sensor and BOD sensor will measure
Value is transmitted to controller；
The solenoid valve is connect with controller, and controller also receives the real-time light transmittance of light transmittance detection device detection
Value, the level value of liquid level sensor detection, the pipeline flow value of flowmeter detection and the COD of COD sensor detection
With the BOD of BOD sensor detection, controller is analyzed by each data and controls automatic charging equipment and solenoid valve
Work, the method that automatic charging equipment and electromagnetic valve work were analyzed data and controlled to the controller are as follows:
S1, when the light transmittance detection device in setting pot detect the water in setting pot light transmittance be less than setting value X1,
And the liquid level in flocculating chamber opens solenoid valve R1 when being less than preset allow into the minimum liquid level value Y1 of sewage；
S2, after the sewage treatment in the first flotation tank, if liquid level in biological aerated filter is less than preset value Y2,
Controller controls solenoid valve R11 and opens, and the sewage in the first flotation tank is arranged to biological aerated filter, if in biological aerated filter
Liquid level be greater than preset value Y3, controller control solenoid valve R11 close and open solenoid valve R2, sewage is arranged to intermediate storage
Pond, wherein Y3 > Y2, if the liquid level in biological aerated filter be greater than the level value in preset value Y3 and intermediate storage pond be greater than it is pre-
If value Y4, solenoid valve R1, R2 and R11 are closed；
S3, when the water level in settling tank be lower than preset value Y5 when, controller control open solenoid valve R4, sewage is in settling tank
After middle sedimentation, if 1/ ω of θ, 1 value in settling tank is less than preset value L1, open solenoid valve R6, by the second flotation tank into
The short chain organic molecule in water is discharged in one step, and after treatment opens solenoid valve R7, water is arranged to monitoring pond, wherein θ 1 is sedimentation
The BOD detected in pond, ω 1 are the COD in settling tank；
When the water level in settling tank is greater than preset value Y6, controller plc opens solenoid valve R6, and water is arranged to second
Solenoid valve R6 is closed after flotation tank, is opened solenoid valve R4, is guided the water in biological aerated filter into settling tank；
If 2/ ω of θ, 2 value in S4, monitoring pond is greater than preset value L1, it is direct that opening solenoid valve R9 will monitor the water in pond
It is emitted into extraneous water body, when 2/ ω of θ, 2 value is less than preset value L1, solenoid valve R1 is closed and opens solenoid valve R8 and arrange water to the
One flotation tank is handled again, and wherein θ 2 is to monitor the BOD detected in pond, and ω 2 is that the chemistry in settling tank needs
Oxygen amount；
S5, controller are added P+P1's according to light transmittance Numerical Control automatic charging equipment from trend expansion chamber or flocculating chamber
Sedimentation agent, P1 is preset value, while disinfectant is added also according to the level value in settling tank in controller.
Environmentally friendly decentralized type sewage administering method, includes the following steps:
S1, when the light transmittance detection device in setting pot detect the water in setting pot light transmittance be less than setting value X1,
And the liquid level in flocculating chamber opens solenoid valve R1 when being less than preset allow into the minimum liquid level value Y1 of sewage；
S2, after the sewage treatment in the first flotation tank, if liquid level in biological aerated filter is less than preset value Y2,
Controller controls solenoid valve R11 and opens, and the sewage in the first flotation tank is arranged to biological aerated filter, if in biological aerated filter
Liquid level be greater than preset value Y3, controller control solenoid valve R11 close and open solenoid valve R2, sewage is arranged to intermediate storage
Pond, wherein Y3 > Y2, if the liquid level in biological aerated filter be greater than the level value in preset value Y3 and intermediate storage pond be greater than it is pre-
If value Y4, solenoid valve R1, R2 and R11 are closed；
S3, when the water level in settling tank be lower than preset value Y5 when, controller control open solenoid valve R4, sewage is in settling tank
After middle sedimentation, if 1/ ω of θ, 1 value in settling tank is less than preset value L1, open solenoid valve R6, by the second flotation tank into
The short chain organic molecule in water is discharged in one step, and after treatment opens solenoid valve R7, water is arranged to monitoring pond, wherein θ 1 is sedimentation
The BOD detected in pond, ω 1 are the COD in settling tank；
When the water level in settling tank is greater than preset value Y6, controller plc opens solenoid valve R6, and water is arranged to second
Solenoid valve R6 is closed after flotation tank, is opened solenoid valve R4, is guided the water in biological aerated filter into settling tank；
If 2/ ω of θ, 2 value in S4, monitoring pond is greater than preset value L1, it is direct that opening solenoid valve R9 will monitor the water in pond
It is emitted into extraneous water body, when 2/ ω of θ, 2 value is less than preset value L1, solenoid valve R1 is closed and opens solenoid valve R8 and arrange water to the
One flotation tank is handled again, and wherein θ 2 is to monitor the BOD detected in pond, and ω 2 is that the chemistry in settling tank needs
Oxygen amount；
S5, controller are added P+P1's according to light transmittance Numerical Control automatic charging equipment from trend expansion chamber or flocculating chamber
Sedimentation agent, P1 is preset value, while disinfectant is added also according to the level value in settling tank in controller.
As further scheme of the invention, air flow stirring apparatus, airflow stirring dress are installed in the wastewater collection pond
It sets by mechanical scarfing cinder grid filtration after being stirred to the sewage in wastewater collection pond, and by sewage pump to setting pot.
As further scheme of the invention, the disinfectant is sodium hypochlorite.
Beneficial effects of the present invention:
1, the present invention carries out reasonable distribution to each process, and by the quality and amount of storage of waste water in each process come to sewage
Flow direction is adjusted, and sewage is enable to obtain quick, complete processing, and biological aerated filter can be in high efficiency work for a long time
The state of work；
2, the present invention is detected by the real-time light transmittance to sewage, and is matched and added according to the real-time light transmittance of sewage
Enter the amount of the sedimentation agent in flocculating chamber and settling tank, and by control automatic charging equipment auto feed, it is very efficient and convenient.
Detailed description of the invention
Present invention is further described in detail in the following with reference to the drawings and specific embodiments.
Fig. 1 is the structural schematic diagram of sewage treatment system of the present invention；
Fig. 2 is the structural schematic diagram of light transmittance detection device.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's all other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
A kind of environmental protection decentralized type sewage governing system, as shown in Figure 1, including wastewater collection pond, mechanical scarfing cinder grid, sand setting
Pond, the first flotation tank, intermediate storage pond, biological aerated filter, settling tank, the second flotation tank and monitoring pond；
The wastewater collection pond is equipped with air flow stirring apparatus, air-flow for receiving treatment sewage in wastewater collection pond
Agitating device is stirred the sewage in wastewater collection pond, by mechanical clear after dispersing the suspended matter rubbish in sewage
It pumps after slag grid filtration to setting pot；
The setting pot is precipitated using aeration type setting pot for the grit in sewage to be carried out precipitating collection
Grit is collected by the sand catcher that sand setting bottom of pond portion is arranged, and the supernatant of setting pot is arranged to the first flotation tank, setting pot with
Solenoid valve R1 and flowmeter Q1 are installed on the pipeline between the first flotation tank；
First flotation tank includes flocculating chamber, bubble contact room and separation chamber, by adding sedimentation agent in flocculating chamber,
To form wadding grain in sewage, and the microbubble generated by bubble contact room carries out adherency capture to wadding grain, and by dividing
The pollutant that first flotation tank processing sewage generates is discharged flotation tank Slag Scraping Device from room setting, the water outlet of the first flotation tank
It is separately connected the water inlet in intermediate storage pond and the water inlet of biological aerated filter, first flotation tank and intermediate storage pond
Between pipeline on solenoid valve R2 and flowmeter Q2 are installed, installed on the pipeline between the first flotation tank and biological aerated filter
Have a solenoid valve R11, first flotation tank can except in decontaminated water a large amount of fine suspensions, short chain organic molecule and have color base
Group, avoids in the next step, the biologic packing material layer surface Rapid Accumulation mud of biological aerated filter influences biologic packing material layer
Working efficiency；
The intermediate storage pond is transmitted to aeration life for temporarily storing the processed waste water of the first flotation tank, and by waste water
Object filter tank can control the flow for the waste water for entering biological aerated filter in this way, and the intermediate storage pond and aeration are given birth to
Solenoid valve R3 and flowmeter Q3 are provided on pipeline between object filter tank；
The biological aerated filter for being nitrified to sewage, denitrogenation, dephosphorization and the removal of harmful substance, aeration life
The water outlet in object filter tank connects the water inlet of settling tank, is equipped with electricity on the pipeline between the biological aerated filter and settling tank
Magnet valve R4 and flowmeter Q4；
The settling tank is used to carry out waste water to be processed further disinfection to settle with solid matter, using disinfection when disinfection
Agent carries out disinfection, and the disinfectant is sodium hypochlorite, the water inlet in the water outlet connection monitoring pond of settling tank and the second air bearing
The water inlet in pond is equipped with solenoid valve R5 and flowmeter Q5 on the pipeline between the settling tank and monitoring pond, settling tank with supervise
Control is provided with filter screen between pond, the pipeline for filtering the wadding grain generated in settling tank, between settling tank and the second flotation tank
On solenoid valve R6 and flowmeter Q6 are installed；
Second flotation tank includes bubble contact room and separation chamber, for further to the sewage by settling tank processing
It is handled, solenoid valve R7 and flowmeter Q7 is installed on the pipeline between the second flotation tank and monitoring pond；
It is described monitoring pond for temporarily store by above-mentioned steps processing waste water, and to the pollutant load in waste water into
Row detection, if monitoring pond in processed waste water reach discharge standard, be vented to extraneous water body, if monitoring pond in through locating
The waste water of reason does not reach discharge standard, is vented in flotation tank, on the pipeline between the monitoring pond and the first flotation tank
Solenoid valve R8 and flowmeter Q8 are installed, monitors and solenoid valve R9 and flow is installed on the discharge tube between pond and extraneous water body
Count Q9；
It is provided with light transmittance detection device on the setting pot, flocculating chamber, settling tank and monitoring pond, as shown in Fig. 2,
The light transmittance detection device includes transparent rectangular tube 31, light transmittance tester photophore 32 and light transmittance tester receiver
33, the transparent rectangular tube 31 is square pipe made of transparent material, is fixedly installed with light transmittance in the one side of rectangular tube 31
Tester photophore 32, rectangular tube 31 are equipped with light transmittance tester in the one side opposite with light transmittance tester photophore 32
Receiver 33, one end of rectangular tube 31 and pond body are connected, and the other end of rectangular tube 31 is equipped with solenoid valve R10；
The detection method of the light transmittance detection device are as follows: controller opens solenoid valve R10, sand setting every setting time T1
Water in pond, flocculating chamber, settling tank or monitoring pond is flowed out along rectangular tube 31, is closed solenoid valve R10 at this time, is full of in rectangular tube 31
Water opens light transmittance tester photophore 32 and light transmittance tester receiver 33, obtains a light transmittance values, this method
Can Rapid Implementation detection setting pot, flocculating chamber, settling tank and the water in monitoring pond light transmittance values, and transmit it to control
Device processed；
The wastewater collection pond, setting pot, the first flotation tank, intermediate storage pond, biological aerated filter, settling tank, monitoring
Liquid level sensor is mounted in pond and the second flotation tank, liquid level sensor reads the liquid level information in corresponding pond and passed
Transport to controller；
It is mounted on automatic charging equipment in the flocculating chamber and settling tank, sedimentation agent is housed in automatic charging equipment, automatically
Charger controls the sedimentation agent that demand is added by controller, and wherein the automatic charging equipment in settling tank is also equipped with disinfectant；
It is mounted on COD sensor and BOD sensor in the settling tank and monitoring pond, wherein COD sensor is used for
The COD of water is detected, BOD sensor is used to detect the BOD of water, and COD sensor and BOD sensor will measure
Value is transmitted to controller；
The solenoid valve is connect with controller, and controller also receives the real-time light transmittance of light transmittance detection device detection
Value, the level value of liquid level sensor detection, the pipeline flow value of flowmeter detection and the COD of COD sensor detection
With the BOD of BOD sensor detection, controller is analyzed by each data and controls automatic charging equipment and solenoid valve
Work, the method that automatic charging equipment and electromagnetic valve work were analyzed data and controlled to the controller are as follows:
S1, when the light transmittance detection device in setting pot detect the water in setting pot light transmittance be less than setting value X1,
And the liquid level in flocculating chamber opens solenoid valve R1 when being less than preset allow into the minimum liquid level value Y1 of sewage；
S2, after the sewage treatment in the first flotation tank, if liquid level in biological aerated filter is less than preset value Y2,
Controller controls solenoid valve R11 and opens, and the sewage in the first flotation tank is arranged to biological aerated filter, if in biological aerated filter
Liquid level be greater than preset value Y3, controller control solenoid valve R11 close and open solenoid valve R2, sewage is arranged to intermediate storage
Pond, wherein Y3 > Y2, prevents solenoid valve to be frequently opened and closed, if the liquid level in biological aerated filter is greater than preset value Y3 and intermediate storage
Level value in pond is greater than preset value Y4, closes solenoid valve R1, R2 and R11, guarantees that biological aerated filter has time enough pair
Sewage is adequately handled；
S3, when the water level in settling tank be lower than preset value Y5 when, controller control open solenoid valve R4, sewage is in settling tank
After middle sedimentation, if 1/ ω of θ, 1 value in settling tank is less than preset value L1, open solenoid valve R6, by the second flotation tank into
The short chain organic molecule in water is discharged in one step, and after treatment opens solenoid valve R7, water is arranged to monitoring pond, wherein θ 1 is sedimentation
The BOD detected in pond, ω 1 are the COD in settling tank；
When the water level in settling tank is greater than preset value Y6, controller plc opens solenoid valve R6, and water is arranged to second
Solenoid valve R6 is closed after flotation tank, is opened solenoid valve R4, is guided the water in biological aerated filter into settling tank, filter aeration and biological
Pond is often in efficiency operation state；
If 2/ ω of θ, 2 value in S4, monitoring pond is greater than preset value L1, it is direct that opening solenoid valve R9 will monitor the water in pond
It is emitted into extraneous water body, when 2/ ω of θ, 2 value is less than preset value L1, solenoid valve R1 is closed and opens solenoid valve R8 and arrange water to the
One flotation tank is handled again, and wherein θ 2 is to monitor the BOD detected in pond, and ω 2 is that the chemistry in settling tank needs
Oxygen amount；
S5, during processing, the light transmittance of water is capable of the content of the accurate suspended matter in reaction water, by having
The experiment of limit time can obtain the functional relation between the transparency value detected and the amount P for needing sedimentation agent to be added, control
The sedimentation agent of P+P1 is added according to light transmittance Numerical Control automatic charging equipment from trend expansion chamber or flocculating chamber for device, and P1 is default
Value can guarantee the sedimentation agent being added to be excessive, simultaneously because being to add disinfectant according to water, therefore when being sterilized
There are linear relationships between water and disinfectant, therefore disinfectant can also be added according to the level value in settling tank in controller.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple
Described specific embodiment does various modifications or additions or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.
Claims (4)
1. environmentally friendly decentralized type sewage governing system, which is characterized in that including wastewater collection pond, mechanical scarfing cinder grid, setting pot, gas
Floating pond, intermediate storage pond, biological aerated filter, settling tank, the second flotation tank and monitoring pond；
Waste water is transmitted to setting pot for receiving treatment sewage by the wastewater collection pond；
The setting pot uses aeration type setting pot, for the grit in sewage to be carried out precipitating collection, the grit precipitated
It is collected by the sand catcher that sand setting bottom of pond portion is arranged, the supernatant of setting pot is arranged to the first flotation tank, setting pot and first
Solenoid valve R1 and flowmeter Q1 are installed on the pipeline between flotation tank；
First flotation tank includes flocculating chamber, bubble contact room and separation chamber, by adding sedimentation agent in flocculating chamber, thus
Wadding grain is formed in sewage, and the microbubble generated by bubble contact room carries out adherency capture to wadding grain, and passes through separation chamber
The pollutant that first flotation tank processing sewage generates is discharged the flotation tank Slag Scraping Device of setting, the water outlet difference of the first flotation tank
The water inlet in intermediate storage pond and the water inlet of biological aerated filter are connected, between first flotation tank and intermediate storage pond
Pipeline on solenoid valve R2 and flowmeter Q2 are installed, electricity is installed on the pipeline between the first flotation tank and biological aerated filter
Magnet valve R11；
The intermediate storage pond is transmitted to aeration and biological filter for temporarily storing the processed waste water of the first flotation tank, and by waste water
Pond is provided with solenoid valve R3 and flowmeter Q3 on the pipeline between the intermediate storage pond and biological aerated filter；
The water inlet of the water outlet connection settling tank of the biological aerated filter, between the biological aerated filter and settling tank
Solenoid valve R4 and flowmeter Q4 are installed on pipeline；
The settling tank further sterilizes waste water using disinfectant and carries out solid matter sedimentation, sedimentation by sedimentation agent
The water inlet in the water outlet connection monitoring pond in pond and the water inlet of the second flotation tank, the pipe between the settling tank and monitoring pond
Solenoid valve R5 and flowmeter Q5 are installed on road, are provided with filter screen, settling tank and the second air bearing between settling tank and monitoring pond
Solenoid valve R6 and flowmeter Q6 are installed on the pipeline between pond；
Second flotation tank includes bubble contact room and separation chamber, is equipped on the pipeline between the second flotation tank and monitoring pond
Solenoid valve R7 and flowmeter Q7；
The pollutant load in waste water is detected, the prison for temporarily storing processed waste water in the monitoring pond
Solenoid valve R8 and flowmeter Q8 are installed on the pipeline between control pond and the first flotation tank, monitor the row between pond and extraneous water body
It puts and solenoid valve R9 and flowmeter Q9 is installed on pipeline；
Light transmittance detection device, the light transmittance detection are provided on the setting pot, flocculating chamber, settling tank and monitoring pond
Device includes transparent rectangular tube (31), light transmittance tester photophore (32) and light transmittance tester receiver (33), described
Transparent rectangular tube (31) is square pipe made of transparent material, and light transmittance test is fixedly installed in the one side of rectangular tube (31)
Instrument photophore (32), rectangular tube (31) are equipped with light transmittance test in the one side opposite with light transmittance tester photophore (32)
Instrument receiver (33), one end of rectangular tube (31) and pond body are connected, and the other end of rectangular tube (31) is equipped with solenoid valve R10；
The detection method of the light transmittance detection device are as follows: controller every setting time T1 open solenoid valve R10, setting pot,
Water in flocculating chamber, settling tank or monitoring pond is flowed out along rectangular tube (31), closes solenoid valve R10 at this time, rectangular tube fills in (31)
Full water opens light transmittance tester photophore (32) and light transmittance tester receiver (33), obtains a light transmittance values, and
Transmit it to controller；
The wastewater collection pond, setting pot, the first flotation tank, intermediate storage pond, biological aerated filter, settling tank, monitoring pond with
And second be mounted on liquid level sensor in flotation tank, the liquid level information that liquid level sensor is read in corresponding pond simultaneously transmits it to
Controller；
It is mounted on automatic charging equipment in the flocculating chamber and settling tank, sedimentation agent is housed in automatic charging equipment, wherein settling
Automatic charging equipment in pond is also equipped with disinfectant；
It is mounted on COD sensor and BOD sensor in the settling tank and monitoring pond, wherein COD sensor is for detecting
The COD of water, BOD sensor are used to detect the BOD of water, and COD sensor passes measured value with BOD sensor
Transport to controller；
The solenoid valve is connect with controller, controller also receive light transmittance detection device detection real-time light transmittance values,
Liquid level sensor detection level value, flowmeter detection pipeline flow value and COD sensor detection COD and
Automatic charging equipment and solenoid valve are analyzed by each data and controlled to the BOD of BOD sensor detection, controller
Work, the method that automatic charging equipment and electromagnetic valve work were analyzed data and controlled to the controller are as follows:
S1, when the light transmittance detection device in setting pot detect the water in setting pot light transmittance be less than setting value X1, and wad a quilt with cotton
When liquid level in solidifying room is less than preset allow into the minimum liquid level value Y1 of sewage, solenoid valve R1 is opened；
S2, after the sewage treatment in the first flotation tank, if liquid level in biological aerated filter is less than preset value Y2, control
Device controls solenoid valve R11 and opens, and the sewage in the first flotation tank is arranged to biological aerated filter, if the liquid in biological aerated filter
Position is greater than preset value Y3, and controller control solenoid valve R11 closes and opens solenoid valve R2, sewage is arranged to intermediate storage pond,
Middle Y3 > Y2, if the liquid level in biological aerated filter is greater than the level value in preset value Y3 and intermediate storage pond and is greater than preset value
Y4 closes solenoid valve R1, R2 and R11；
S3, when the water level in settling tank be lower than preset value Y5 when, controller control open solenoid valve R4, sewage in settling tank sink
After drop, if 1/ ω of θ, 1 value in settling tank is less than preset value L1, solenoid valve R6 is opened, it is further by the second flotation tank
The short chain organic molecule in water is discharged, after treatment opens solenoid valve R7, water is arranged to monitoring pond, wherein θ 1 is in settling tank
The BOD of detection, ω 1 are the COD in settling tank；
When the water level in settling tank is greater than preset value Y6, controller plc opens solenoid valve R6, and water is arranged to the second air bearing
Solenoid valve R6 is closed behind pond, is opened solenoid valve R4, is guided the water in biological aerated filter into settling tank；
If 2/ ω of θ, 2 value in S4, monitoring pond is greater than preset value L1, the water direct emission in pond will be monitored by opening solenoid valve R9
It closes solenoid valve R1 when 2/ ω of θ, 2 value is less than preset value L1 to extraneous water body and opens solenoid valve R8 and arrange water to the first gas
Floating pond is handled again, and wherein θ 2 is to monitor the BOD detected in pond, and ω 2 is the chemical oxygen demand in settling tank
Amount；
The sedimentation of P+P1 is added according to light transmittance Numerical Control automatic charging equipment from trend expansion chamber or flocculating chamber for S5, controller
Agent, P1 is preset value, while disinfectant is added also according to the level value in settling tank in controller.
2. environmentally friendly decentralized type sewage administering method, which comprises the steps of:
S1, when the light transmittance detection device in setting pot detect the water in setting pot light transmittance be less than setting value X1, and wad a quilt with cotton
When liquid level in solidifying room is less than preset allow into the minimum liquid level value Y1 of sewage, solenoid valve R1 is opened；
S2, after the sewage treatment in the first flotation tank, if liquid level in biological aerated filter is less than preset value Y2, control
Device controls solenoid valve R11 and opens, and the sewage in the first flotation tank is arranged to biological aerated filter, if the liquid in biological aerated filter
Position is greater than preset value Y3, and controller control solenoid valve R11 closes and opens solenoid valve R2, sewage is arranged to intermediate storage pond,
Middle Y3 > Y2, if the liquid level in biological aerated filter is greater than the level value in preset value Y3 and intermediate storage pond and is greater than preset value
Y4 closes solenoid valve R1, R2 and R11；
S3, when the water level in settling tank be lower than preset value Y5 when, controller control open solenoid valve R4, sewage in settling tank sink
After drop, if 1/ ω of θ, 1 value in settling tank is less than preset value L1, solenoid valve R6 is opened, it is further by the second flotation tank
The short chain organic molecule in water is discharged, after treatment opens solenoid valve R7, water is arranged to monitoring pond, wherein θ 1 is in settling tank
The BOD of detection, ω 1 are the COD in settling tank；
When the water level in settling tank is greater than preset value Y6, controller plc opens solenoid valve R6, and water is arranged to the second air bearing
Solenoid valve R6 is closed behind pond, is opened solenoid valve R4, is guided the water in biological aerated filter into settling tank；
If 2/ ω of θ, 2 value in S4, monitoring pond is greater than preset value L1, the water direct emission in pond will be monitored by opening solenoid valve R9
It closes solenoid valve R1 when 2/ ω of θ, 2 value is less than preset value L1 to extraneous water body and opens solenoid valve R8 and arrange water to the first gas
Floating pond is handled again, and wherein θ 2 is to monitor the BOD detected in pond, and ω 2 is the chemical oxygen demand in settling tank
Amount；
The sedimentation of P+P1 is added according to light transmittance Numerical Control automatic charging equipment from trend expansion chamber or flocculating chamber for S5, controller
Agent, P1 is preset value, while disinfectant is added also according to the level value in settling tank in controller.
3. environmental protection decentralized type sewage governing system according to claim 1, which is characterized in that peace in the wastewater collection pond
Equipped with air flow stirring apparatus, air flow stirring apparatus passes through mechanical scarfing cinder lattice after being stirred to the sewage in wastewater collection pond
Grid filtering, and by sewage pump to setting pot.
4. environmental protection decentralized type sewage governing system according to claim 1, which is characterized in that the disinfectant is hypochlorous acid
Sodium.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023959A (en) * | 2021-04-20 | 2021-06-25 | 西安市天佑净化设备有限责任公司 | Progressive selective wastewater recovery and purification equipment |
| CN114671547A (en) * | 2022-04-07 | 2022-06-28 | 广东省广业装备制造集团有限公司 | Rural domestic sewage integrated treatment device |
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| CN102557359A (en) * | 2012-03-01 | 2012-07-11 | 贵州绿色环保设备工程有限责任公司 | Device for treating wastewater during production of pentaerythritol |
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| CN101318758A (en) * | 2008-05-16 | 2008-12-10 | 北京工业大学 | Air-float and bio-filter combined water treatment process |
| CN102557359A (en) * | 2012-03-01 | 2012-07-11 | 贵州绿色环保设备工程有限责任公司 | Device for treating wastewater during production of pentaerythritol |
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