CN117566899A - Water quality prejudging system and anti-fouling water impact method - Google Patents
Water quality prejudging system and anti-fouling water impact method Download PDFInfo
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- CN117566899A CN117566899A CN202311532864.3A CN202311532864A CN117566899A CN 117566899 A CN117566899 A CN 117566899A CN 202311532864 A CN202311532864 A CN 202311532864A CN 117566899 A CN117566899 A CN 117566899A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000003373 anti-fouling effect Effects 0.000 title description 3
- 239000010865 sewage Substances 0.000 claims abstract description 87
- 238000001514 detection method Methods 0.000 claims abstract description 51
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims abstract description 32
- 230000001546 nitrifying effect Effects 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 18
- 239000000945 filler Substances 0.000 claims description 16
- 238000005276 aerator Methods 0.000 claims description 12
- 239000011521 glass Substances 0.000 claims description 10
- 238000011001 backwashing Methods 0.000 claims description 9
- 238000005086 pumping Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000007865 diluting Methods 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 13
- 230000002159 abnormal effect Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 6
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000007921 spray Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910002651 NO3 Inorganic materials 0.000 description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000010842 industrial wastewater Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000035790 physiological processes and functions Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000004393 prognosis Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000013518 transcription Methods 0.000 description 1
- 230000035897 transcription Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/006—Regulation methods for biological treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
- G01N33/188—Determining the state of nitrification
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/14—NH3-N
-
- 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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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Molecular Biology (AREA)
- Food Science & Technology (AREA)
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- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
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Abstract
The application relates to the field of sewage treatment, and particularly discloses a water quality prejudging system and an anti-pollution water impact method. A water quality prejudging system comprising: the treatment device is used for nitrifying the sewage; the detection device is used for detecting the nitrified sewage; a sewage inlet pipe connected with the treatment device; the connecting pipe is connected between the processing device and the detection device; the water outlet pipe is connected with the detection device; the detection device comprises a detection container and an ammonia nitrogen monitor connected with the detection container, and the connecting pipe is connected with the detection container. The characteristics that nitrifying bacteria are most sensitive to toxic and harmful substances are utilized, the biological nitrifying system is miniaturized and is preposed to a key pump station, the problem that sewage exceeds standard is conveniently and timely handled, and abnormal impact on a biochemical system of a sewage plant is avoided.
Description
Technical Field
The application relates to the field of sewage treatment, in particular to a water quality prejudging system and an anti-pollution water impact method.
Background
Due to the problems of irregular running of wastewater treatment facilities in factories and the like at present, the situation that high-concentration out-of-standard wastewater which is stolen and discharged enters a sewage treatment plant often occurs, and a sudden abnormal water inlet impact event occurs in the sewage treatment plant.
The industrial wastewater has high pollutant concentration, strong toxicity, poor biodegradability and high content of refractory organic matters, and is easy to cause the breakdown of a biological system of a sewage plant, and the recovery of the biological system is at least carried out for tens of days, which seriously threatens the normal operation of the sewage plant, the stable operation of a municipal drainage system and the safety of a local water environment.
In the related art, in the emergency measure of sudden abnormal water inflow of town sewage treatment plants, a front-end treatment method is mostly adopted, namely, an adjusting tank or a buffer tank is arranged at the front end. Although the water storage and water quality regulation effects of the regulating tank or the buffer tank are obvious, the problems of large occupied area, high construction cost and the like exist. In addition, the mud culture can also temporarily cope with the impact of industrial wastewater, but is insufficient to cope with the continuous water inflow impact.
Disclosure of Invention
In order to avoid impact of high-concentration standard exceeding sewage on a biochemical system, the application provides a water quality prejudging system and an anti-pollution water impact method.
In a first aspect, the present application provides a water quality prejudging system, which adopts the following technical scheme:
a water quality prejudging system comprising:
the treatment device is used for nitrifying the sewage;
the detection device is used for detecting the nitrified sewage;
a sewage inlet pipe connected with the treatment device;
the connecting pipe is connected between the processing device and the detection device;
the water outlet pipe is connected with the detection device;
the detection device comprises a detection container and an ammonia nitrogen monitor connected with the detection container, and the connecting pipe is connected with the detection container.
By adopting the technical scheme, after sewage enters the treatment device along the sewage inlet pipe, ammonia nitrogen is nitrified to be converted into nitrate, so that the ammonia nitrogen concentration is reduced, and then the sewage enters the detection device, and the ammonia nitrogen concentration is monitored in real time by the ammonia nitrogen monitor. The ammonia nitrogen concentration can reflect the whole nitrification process, and represents whether the harmful substances of the sewage exceed the standard or not, so as to judge whether the sewage can impact a biochemical system or not. If the ammonia nitrogen concentration is abnormally increased, the sewage is out of standard, and the trouble that the biochemical system is crashed due to abnormal impact can be effectively avoided by stopping water inflow in time.
The mechanism of whether the ammonia nitrogen concentration reaction sewage exceeds the standard is as follows: harmful substances such as heavy metal ions, organic matters, cyanide and the like and different pH values can inhibit normal physiological activities of nitrifying bacteria, and influence enzyme activities in the nitrifying process, so that normal physiological processes such as transcription and the like of the nitrifying bacteria are influenced, and the nitrifying efficiency of the nitrifying bacteria is reduced and even dead. Therefore, the higher concentration of the harmful substances in the sewage can inhibit the normal operation of biological nitrification, thereby showing the result of increasing the concentration of ammonia nitrogen.
Optionally, the treatment device comprises a treatment container, a first filter plate arranged in the treatment container, biological filler arranged on the upper side of the first filter plate and an aerator arranged on the lower side of the first filter plate, wherein the sewage inlet pipe is connected to the lower end of the treatment container, the connecting pipe is connected to the upper end of the treatment container, the treatment container is provided with an air inlet pipe in a penetrating way, and one end of the air inlet pipe is connected with an air pump while the other end is connected with the aerator.
By adopting the technical scheme, sewage flows through the treatment container from bottom to top, so that nitrifying bacteria are attached to the surface of the biological filler, and film formation is realized, so that subsequent nitrifying treatment is facilitated. Air is fed into sewage of the treatment device through the aerator to supply oxygen for nitrifying bacteria.
Optionally, a second filter plate is arranged at the lower side of the first filter plate, the second filter plate is arranged at the upper side of the aerator, and a filter filler is arranged between the first filter plate and the second filter plate.
By adopting the technical scheme, sewage is filtered firstly and then nitrified, so that the simulation accuracy of the nitrified treatment is ensured.
Optionally, the treatment container includes from top to bottom in proper order detachable connection's roof, first barrel, second barrel, third barrel and bottom plate, first filter plate is connected in first barrel inner wall, the second filter plate is connected in second barrel inner wall, the aerator sets up in the third barrel inboard.
By adopting the technical scheme, the processing container is convenient to assemble and disassemble, and the processing device is convenient to overhaul and maintain.
Optionally, the connecting pipe is connected with the junction valve, the connecting pipe is connected with the backwash pipe, the junction of backwash pipe and connecting pipe is located the one side that the junction valve is close to the processing vessel, the processing vessel lower extreme is connected with the drain pipe, the drain pipe is connected with the drain valve.
Through adopting above-mentioned technical scheme, after closing the connecting valve, open the drain valve, clear water is sent into the treatment vessel through the backwash pipe, washs its inside, and sewage after the washing is discharged along the drain pipe.
Optionally, the backwash tube comprises a first backwash section, a backwash mirror and a second backwash section which are sequentially connected, and the second backwash section is connected with the connecting tube.
By adopting the technical scheme, the condition that backwash water is intaked is observed to the staff of being convenient for.
Optionally, the detection container comprises a detection cylinder, a cover plate connected to the upper end of the detection cylinder and a baffle plate connected to the lower end of the detection cylinder.
By adopting the technical scheme, the detection device is convenient to overhaul and maintain.
Optionally, the novel intelligent cabinet temperature control device further comprises a cabinet body, the cabinet body is connected with a cabinet door, the inner wall of the cabinet body is connected with a first hoop and a second hoop, the processing device is connected with the first hoop, and the detection device is connected with the second hoop.
By adopting the technical scheme, the water quality prejudging system is integrated and miniaturized, and is convenient to produce, manufacture, transport and install.
Optionally, advance the sewage pipe including the first section of intaking, intake sight glass and the second section of intaking that connects gradually, the second section of intaking is connected with processing apparatus, intake sight glass sets up in the cabinet body outside.
By adopting the technical scheme, the sewage condition can be directly observed through the water inlet sight glass, and the cabinet door does not need to be opened, so that the sewage treatment device is convenient.
In a second aspect, the present application provides an anti-water impact method, which adopts the following technical scheme:
a method of preventing water impact comprising the steps of:
s1, film-forming culture: the water quality prejudging system is arranged at the front end of a sewage treatment plant, so that sewage flows through a treatment device to carry out film hanging culture;
s2, water quality pre-judging: the water quality prejudging system after S1 film hanging culture is arranged at a pump station, sewage at the pump station is monitored, and whether the sewage exceeds the treatment capacity of a biochemical system is judged according to the change condition of the ammonia nitrogen value detected by an ammonia nitrogen monitor;
s3, traceability solving: if the data of the ammonia nitrogen monitor is abnormally increased, stopping the pumping station to deliver water, tracing upwards by the pumping station, and after the incoming water is normal, reasonably distributing water and diluting out the out-of-standard sewage.
By adopting the technical scheme, reasonable scheduling of the drainage system is facilitated, and safe and stable operation of the drainage system is effectively ensured.
In summary, the present application has the following beneficial effects:
the characteristics that nitrifying bacteria are most sensitive to toxic and harmful substances are utilized, the biological nitrifying system is miniaturized and is arranged in front of a key pump station, so that a water source supervision system is built, the problem that sewage exceeds standard is conveniently and timely handled, the biochemical system of a sewage plant is prevented from being subjected to abnormal impact, on one hand, the economic benefit is high, the construction investment of emergency facilities such as an adjusting tank or a buffer tank can be reduced, the investment in the aspects of medicines and strains for handling abnormal water is reduced, on the other hand, the sewage treatment effect is guaranteed, the sewage is prevented from overflowing, and the resident living environment of surrounding ecological environment and a residential area are effectively protected.
Drawings
FIG. 1 is a schematic diagram of a water quality prejudging system according to an embodiment of the present application;
FIG. 2 is a schematic front view of a water quality prognosis system according to an embodiment of the present application;
FIG. 3 is a schematic cross-sectional view of a treatment device according to an embodiment of the present application;
FIG. 4 is an exploded schematic view of a test vessel according to an embodiment of the present application;
FIG. 5 is a schematic view of the water quality prejudging system according to the embodiment of the present application, with the cabinet door, air pump and air inlet pipe removed;
fig. 6 is a schematic view of the structure of the outside of the cabinet according to the embodiment of the application.
Reference numerals illustrate: 1. a processing device; 11. a processing container; 111. a top plate; 112. a first cylinder; 113. a second cylinder; 114. a third cylinder; 115. a bottom plate; 12. a first filter plate; 13. a biological filler; 14. an aerator; 15. an air inlet pipe; 16. an air pump; 17. a second filter plate; 18. filtering and filling; 2. a detection device; 21. a detection container; 211. a detection cylinder; 212. a cover plate; 213. a baffle; 22. an ammonia nitrogen monitor; 3. a sewage inlet pipe; 31. a first water inlet section; 32. a water inlet view mirror; 33. a second water inlet section; 34. a first inlet valve; 35. a second inlet valve; 4. a connecting pipe; 41. a connecting valve; 5. a water outlet pipe; 6. a backwashing pipe; 61. a first backwash section; 62. backwashing the sight glass; 63. a second backwash section; 64. a first backwash valve; 65. a second backwash valve; 7. a drain pipe; 71. a drain valve; 8. a cabinet body; 81. the first hoop; 82. the second hoop; 9. a cabinet door; 10. a spray head.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-6.
The embodiment of the application discloses a water quality prejudging system and an anti-fouling water impact method, which are applied to all main pump stations, and are used for carrying out water quality prejudging in a mode of automatically sampling and detecting water in a pump pool, so that abnormal impact can be carried out on a biochemical system of a sewage treatment plant in advance by early warning, the breakdown of the biochemical system is prevented, and the operation safety of the sewage treatment plant is ensured.
Referring to fig. 1 and 2, the water quality prejudging system comprises a cabinet body 8, a cabinet door 9 hinged with the cabinet body 8, and a processing device 1 and a detecting device 2 arranged in the cabinet body 8, wherein the processing device 1 is connected with a sewage inlet pipe 3, a connecting pipe 4 is connected between the processing device 1 and the detecting device 2, and the processing device 1 is connected with a water outlet pipe 5. After the water in the pump pool is pumped into the sewage pipe 3 by the pump, the water flows through the treatment device 1, the connecting pipe 4, the detection device 2 and the water outlet pipe 5 in sequence. The treatment device 1 utilizes nitrifying bacteria to carry out nitrifying treatment on sewage, reduces the ammonia nitrogen concentration of the sewage, and the detection device 2 carries out the ammonia nitrogen concentration in the sewage. Because the harmful substance concentration of the sewage can influence the treatment efficiency of nitrifying bacteria, whether the sewage exceeds the standard can be intuitively judged through the change condition of the ammonia nitrogen concentration.
Referring to fig. 2 and 3, the treatment device 1 includes a treatment container 11, and a first anchor ear 81 is sleeved on the outer side of the treatment container 11, and the first anchor ear 81 is fixedly connected with the inner wall of the cabinet 8. The processing container 11 includes a top plate 111, a first cylinder 112, a second cylinder 113, a third cylinder 114, and a bottom plate 115, which are sequentially disposed from top to bottom, and the top plate 111 is connected to the first cylinder 112, the first cylinder 112 is connected to the second cylinder 113, the second cylinder 113 is connected to the third cylinder 114, and the third cylinder 114 is connected to the bottom plate 115 through bolts and nuts. The sewage inlet pipe 3 is fixedly connected to the bottom plate 115, and the connection pipe 4 is fixedly connected to the top plate 111, so that sewage flows from bottom to top in the treatment vessel 11.
Referring to fig. 2 and 3, the first filter plate 12 is fixedly connected to the inner wall of the lower end of the first cylinder 112, the second filter plate 17 is fixedly connected to the inner wall of the lower end of the second cylinder 113, and the first filter plate 12 and the second filter plate 17 are both circular plate-shaped and provided with a plurality of strip-shaped through holes. The first cylinder 112 is filled with the biological filler 13 on the upper side of the first filter sheet 12, and the second cylinder 113 is filled with the filter filler 18 on the upper side of the second filter sheet 17. The biological filler 13 is mbbr filler, can be attached by nitrifying bacteria, and has the advantages of quick film formation, large specific surface area, long service life and the like. The filter packing 18 is a polypropylene pellet and plays a role in filtration. The sewage sequentially flows through the filter filler 18 and the biological filler 13, and ammonia nitrogen is nitrified to be converted into nitrate.
Referring to fig. 2 and 3, an air inlet pipe 15 is fixedly arranged on the side wall of the third cylinder 114 in a penetrating manner, an air pump 16 is fixedly connected to the inner bottom wall of the cabinet 8, the air pump 16 is connected with the air inlet pipe 15, an aerator 14 is fixedly connected to one end of the air inlet pipe 15 in the third cylinder 114, and an air inlet valve is connected to the air inlet pipe 15. After the air pump 16 is started and the air inlet valve is opened, air is fed into the sewage through the aerator 14 to supply oxygen to nitrifying bacteria.
Before the water quality prejudging system is applied to a pump station, the water quality prejudging system needs to be placed at the front end of a sewage treatment plant to carry out film-forming culture so as to enable nitrifying bacteria to be attached to the surface of the biological filler 13.
Referring to fig. 2 and 4, the detection device 2 includes a detection container 21, and an ammonia nitrogen monitor 22 connected to the detection container 21, and a second anchor ear 82 is sleeved on the outer side of the detection container 21, and the second anchor ear 82 is fixedly connected to the cabinet 8. The detection container 21 comprises a cover plate 212, a detection cylinder 211 and a baffle 213 which are sequentially arranged from top to bottom, wherein the cover plate 212 is connected with the detection cylinder 211 and the detection cylinder 211 is connected with the baffle 213 through bolts and nuts. One end of the connecting pipe 4 far away from the processing container 11 penetrates through the cover plate 212 and stretches into the detection cylinder 211, and the water outlet pipe 5 is fixedly connected with the cover plate 212. Therefore, after the nitrified sewage flows into the detection cylinder 211 along the connection pipe 4, the nitrified sewage overflows into the water outlet pipe 5, and is discharged back to the pump tank along the water outlet pipe 5.
The probe of the ammonia nitrogen monitor 22 penetrates through the cover plate 212, so that the sewage in the detection container 21 can be monitored in real time, and the ammonia nitrogen concentration can be obtained.
Referring to fig. 2 and 5, in order to facilitate cleaning of the treatment apparatus 1, a connection valve 41 is connected to the middle of the connection pipe 4, a backwash pipe 6 is fixedly connected to the connection pipe 4, a connection point between the backwash pipe 6 and the connection pipe 4 is located at a side of the connection valve 41 close to the treatment vessel 11, a drain pipe 7 is fixedly connected to the bottom plate 115, and a drain valve 71 is connected to the drain pipe 7. When cleaning is needed, the connecting valve 41 is closed, the drain valve 71 is opened, clean water is fed into the treatment container 11 through the backwash pipe 6, backwash is performed on the interior of the treatment container, and the cleaned sewage is discharged along the drain pipe 7.
Referring to fig. 3, the connection pipe 4 is connected to the spray head 10 positioned inside the first cylinder 112, and a water passage chamber communicating with the connection pipe 4 and a plurality of water outlet holes communicating with the water passage chamber and penetrating to the surface of the spray head 10 are provided inside the spray head 10. During sewage treatment, sewage can flow into the connecting pipe 4 through the spray nozzle 10; during backwashing, clean water can be evenly sprayed out through the spray nozzle 10 to improve the cleaning effect.
Referring to fig. 5 and 6, the end of the water outlet pipe 5 remote from the detection container 21 communicates with the water outlet pipe 7, and shares a water outlet passage. The backwash tube 6 comprises a first backwash section 61, a backwash mirror 62 and a second backwash section 63 which are sequentially and fixedly connected, wherein the backwash mirror 62 and the first backwash section 61 are arranged outside the cabinet body 8, and the second backwash section 63 penetrates through the side wall of the cabinet body 8 and is connected with the connecting pipe 4. The sewage inlet pipe 3 comprises a first water inlet section 31, a water inlet sight glass 32 and a second water inlet section 33 which are sequentially and fixedly connected, the water inlet sight glass 32 and the first water inlet section 31 are arranged on the outer side of the cabinet body 8, and the second water inlet section 33 penetrates through the side wall of the cabinet body 8 and is connected with the bottom plate 115. The staff can observe the sewage condition through the water inlet sight glass 32 and observe the cleaning water condition through the backwashing sight glass 62 without opening the cabinet door 9.
Referring to fig. 2 and 5, the first water inlet section 31 is connected to the first water inlet valve 34, the second water inlet section 33 is connected to the second water inlet valve 35, the first backwash section 61 is connected to the first backwash valve 64, and the second backwash section 63 is connected to the second backwash valve 65. The second water inlet valve 35, the second backwash valve 65, the connecting valve 41, the drain valve 71 and the air inlet valve are all combinations of electromagnetic valves and manual valves, so that the sewage monitoring and the automatic control of backwash are realized, and the on-site overhaul and maintenance are convenient.
The implementation principle of the water quality prejudging system in the embodiment of the application is as follows:
during daily operation, the pump is started, so that sewage of the pump station flows along the directions of the sewage inlet pipe 3, the filter filler 18, the biological filler 13, the connecting pipe 4, the detection container 21, the water outlet pipe 5 and the water outlet pipe 7, ammonia nitrogen of the sewage is converted into nitrate through nitrifying bacteria on the surface of the biological filler 13, the ammonia nitrogen concentration is reduced, the ammonia nitrogen monitor 22 monitors the nitrified sewage in real time, if the ammonia nitrogen concentration is abnormally increased, the sewage is out of standard, the water supply of the pump station to the sewage treatment plant is stopped, and the breakdown of a biochemical system of the sewage treatment plant due to abnormal impact is effectively avoided.
A method of preventing water impact comprising the steps of:
s1, film-forming culture: the water quality prejudging system is arranged at the front end of a sewage treatment plant, so that sewage flows through the treatment device 1 to carry out film hanging culture;
s2, water quality pre-judging: the water quality prejudging system after S1 film hanging culture is arranged at a pump station, sewage at the pump station is monitored, and whether the sewage exceeds the treatment capacity of a biochemical system is judged by the ammonia nitrogen numerical value change condition detected by an ammonia nitrogen monitor 22;
s3, traceability solving: if the data of the ammonia nitrogen monitor 22 is abnormally increased, the pumping station is stopped from delivering water, the pumping station is traced upwards, after the incoming water is normal, water is reasonably distributed, and the out-of-standard sewage is diluted.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (10)
1. A water quality prejudging system, comprising:
a treatment device (1) for nitrifying the sewage;
the detection device (2) is used for detecting the nitrified sewage;
a sewage inlet pipe (3) connected with the treatment device (1);
a connection pipe (4) connected between the processing device (1) and the detection device (2);
the water outlet pipe (5) is connected with the detection device (2);
the detection device (2) comprises a detection container (21) and an ammonia nitrogen monitor (22) connected with the detection container (21), and the connecting pipe (4) is connected with the detection container (21).
2. The water quality prejudging system according to claim 1, wherein: the treatment device (1) comprises a treatment container (11), a first filter plate (12) arranged in the treatment container (11), biological filler (13) arranged on the upper side of the first filter plate (12) and an aerator (14) arranged on the lower side of the first filter plate (12), wherein the sewage inlet pipe (3) is connected to the lower end of the treatment container (11), the connecting pipe (4) is connected to the upper end of the treatment container (11), an air inlet pipe (15) is arranged in the treatment container (11) in a penetrating mode, and one end of the air inlet pipe (15) is connected with an air pump (16) while the other end of the air inlet pipe is connected with the aerator (14).
3. The water quality prejudging system according to claim 2, wherein: the filter is characterized in that a second filter plate (17) is arranged on the lower side of the first filter plate (12), the second filter plate (17) is arranged on the upper side of the aerator (14), and a filter filler (18) is arranged between the first filter plate (12) and the second filter plate (17).
4. A water quality prejudging system according to claim 3, wherein: the treatment container (11) comprises a top plate (111), a first cylinder (112), a second cylinder (113), a third cylinder (114) and a bottom plate (115) which are sequentially and detachably connected from top to bottom, the first filter plate (12) is connected to the inner wall of the first cylinder (112), the second filter plate (17) is connected to the inner wall of the second cylinder (113), and the aerator (14) is arranged on the inner side of the third cylinder (114).
5. The water quality prejudging system according to claim 2, wherein: the connecting pipe (4) is connected with a connecting valve (41), the connecting pipe (4) is connected with a backwash pipe (6), the joint of the backwash pipe (6) and the connecting pipe (4) is located at one side of the connecting valve (41) close to the treatment container (11), the lower end of the treatment container (11) is connected with a drain pipe (7), and the drain pipe (7) is connected with a drain valve (71).
6. The water quality prejudging system according to claim 5, wherein: the backwashing pipe (6) comprises a first backwashing section (61), a backwashing viewing mirror (62) and a second backwashing section (63) which are sequentially connected, and the second backwashing section (63) is connected with the connecting pipe (4).
7. The water quality prejudging system according to claim 1, wherein: the detection container (21) comprises a detection cylinder (211), a cover plate (212) connected to the upper end of the detection cylinder (211) and a baffle plate (213) connected to the lower end of the detection cylinder (211).
8. The water quality prejudging system according to claim 1, wherein: still include cabinet body (8), cabinet body (8) are connected with cabinet door (9), cabinet body (8) inner wall connection has first staple bolt (81) and second staple bolt (82), processing apparatus (1) are connected with first staple bolt (81), detection device (2) are connected with second staple bolt (82).
9. The water quality prejudging system according to claim 8, wherein: the sewage inlet pipe (3) comprises a first water inlet section (31), a water inlet sight glass (32) and a second water inlet section (33) which are sequentially connected, the second water inlet section (33) is connected with the treatment device (1), and the water inlet sight glass (32) is arranged on the outer side of the cabinet body (8).
10. A method for preventing water impact, comprising the steps of:
s1, film-forming culture: the water quality prejudging system of any one of claims 1-9 is arranged at the front end of a sewage treatment plant, so that sewage flows through a treatment device (1) to carry out film hanging culture;
s2, water quality pre-judging: the water quality pre-judging system after S1 film hanging culture is arranged at a pump station, sewage at the pump station is monitored, and whether the sewage exceeds the treatment capacity of a biochemical system is judged by the ammonia nitrogen numerical value change condition detected by an ammonia nitrogen monitor (22);
s3, traceability solving: if the data of the ammonia nitrogen monitor (22) is abnormally increased, stopping the pumping station to deliver water, tracing upwards by the pumping station, and after the incoming water is normal, reasonably distributing water and diluting out the out-of-standard sewage.
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