CN108314270A - Sewage-treatment plant and method - Google Patents
Sewage-treatment plant and method Download PDFInfo
- Publication number
- CN108314270A CN108314270A CN201810299931.4A CN201810299931A CN108314270A CN 108314270 A CN108314270 A CN 108314270A CN 201810299931 A CN201810299931 A CN 201810299931A CN 108314270 A CN108314270 A CN 108314270A
- Authority
- CN
- China
- Prior art keywords
- sewage
- biological contact
- hydrolysis acidification
- oxidation pond
- contact oxidation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
- C02F11/04—Anaerobic treatment; Production of methane by such processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- 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
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
-
- 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
- C02F2209/16—Total nitrogen (tkN-N)
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/04—Flow arrangements
- C02F2301/046—Recirculation with an external loop
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- 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
- C02F3/30—Aerobic and anaerobic processes
- C02F3/302—Nitrification and denitrification treatment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biological Treatment Of Waste Water (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The present invention relates to a kind of sewage-treatment plant and methods.The device includes shell and the partition member that is arranged in the shell, wherein the shell is made of carbon steel material, the inner surface of the partition member is that stainless steel material is made, and the partition member includes：The bottom of regulating reservoir for the water quality for adjusting sewage, the regulating reservoir is equipped at least one perforated pipe；Hydrolysis acidification pool, the first entrance of the hydrolysis acidification pool are connected with the outlet of the regulating reservoir, and micro-pore aeration agitating device is equipped in the hydrolysis acidification pool；Biological contact oxidation pond, the entrance of the biological contact oxidation pond are connected with the outlet of the hydrolysis acidification pool, and the side wall of the biological contact oxidation pond is equipped with the micro-pore aeration pipeline for the content for being used for controlling oxygen；Sedimentation basin, the sedimentation basin are connected with the hydrolysis acidification pool and the biological contact oxidation pond respectively.Sewage disposal is carried out by the device of the invention, the discharge standard of sewage can be met.
Description
Technical field
The present invention relates to technical field of sewage, and in particular to a kind of sewage-treatment plant and method.
Background technology
Water is particularly important resource for the survival of mankind, and China's water resource of per capita is about 2700m3/ year, about generation
Boundary is averaged the 1/4 of water resources quantity.The problems such as disorderly row leaves about however as the geometric growth of the size of population, modern industry waste water goes out
It is existing, it causes to be that few freshwater resources aggravation is short originally, can not be utilized by people.Therefore the improvement of sewage seems particularly heavy
It wants.Sewage disposal is the water quality requirement in order to make sewage reach discharge or reuse, the process handled it.However
For the problem of the wastewater treatment efficiency of sewage disposal device or sewage-treatment plant difference, need further to be improved.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies, sewage disposal is improved
Effect, and make equipment or device for sewage disposal simple and easy to get, facilitate its popularization and application.For this purpose, the present invention
One purpose is to propose a kind of sewage-treatment plant or a kind of sewage disposal device, and the equipment is utilized to carry out sewage
The method of processing.
For this purpose, according to the first aspect of the invention, the present invention provides a kind of sewage-treatment plant, described device includes visitor
Body and the partition member being arranged in the shell, wherein the shell is made of stainless steel material, the partition member it is interior
Surface is that stainless steel material is made, and the partition member includes：Regulating reservoir, the regulating reservoir are used to adjust the water quality matter of sewage
Amount, the regulating reservoir bottom are equipped at least one perforated pipe；Hydrolysis acidification pool, the first entrance of the hydrolysis acidification pool with it is described
The outlet of regulating reservoir is connected, and micro-pore aeration agitating device is equipped in the hydrolysis acidification pool；Biological contact oxidation pond, the biology
The entrance of contact-oxidation pool is connected with the outlet of the hydrolysis acidification pool, and the side wall of the biological contact oxidation pond is equipped with micropore
Aerated conduit, the micro-pore aeration pipeline are used for controlling the inlet of oxygen；Sedimentation basin, the first outlet of the sedimentation basin and
Two outlets are connected with the second entrance of the second entrance of the hydrolysis acidification pool and the biological contact oxidation pond respectively.
The water quality index such as water quality, water, acid-base value or the temperature of waste water due to entrance sewage plant processing can be with draining
Time significantly changes, so carrying out the adjusting of water quality, regulating reservoir to the sewage for entering sewage plant first with regulating reservoir
Buffer capacity to sewage treatment load can be provided, the change dramatically of processing system load is prevented；And processing can be reduced
The fluctuation of the system discharge of sewage so that the feed rate of used chemicals is stablized when treated sewage, is suitble to charging (feeding) equipment
Ability；The pH value of sewage, stabilizing water quality can be controlled simultaneously.Regulating reservoir bottom be equipped at least one perforated pipe, preferably two or
The a plurality of perforated pipe of person, can facilitate and sewage is adjusted.Then acidification is hydrolyzed in the sewage through overregulating, profit
It can convert macromolecular substances (such as some high molecular polymers) to small-molecule substance with hydrolysis acidification pool, by cyclic structure
It is converted into chain structure, the BOD/COD ratios of waste water is further improved, enhances the biodegradability of waste water, is subsequent biology
Oxidation processes create good environment.Meanwhile sewage is stirred using the micro-pore aeration agitating device in hydrolysis acidification pool
It mixes, sludge settling can be avoided the formation of, and be set as micro-pore aeration, the content of control oxygen can be facilitated.Preferably, described
The rate of stirring is 100~200r/min.Then sewage is sent into biological contact oxidation pond.The biological contact oxidation pond includes
There is filler, in the biological contact oxidation pond, sewage and the biofilm contact on filler using microbiological oxidation, decompose sewage
In organic matter, to be purified the purpose of sewage.The specific surface area of filler reaches 450m2/m3More than.Biological contact oxidation pond
Side wall be equipped with micro-pore aeration pipeline, micro-pore aeration pipeline is arranged on the side wall with biological contact oxidation pond, it is facilitated
Aeration oxygen supply is carried out to sewage, the dissolved oxygen in the water that can conveniently increase sharply, growth, oxidation institute for aerobic microbiological
It needs.Then sewage is sent into sedimentation basin, the sub-fraction of the sludge after precipitation is then back to hydrolysis acidification pool, it is another
Part is back to biological contact oxidation pond, and the effect of sewage disposal can be improved by cycle.Utilize the sewage disposal of the present invention
Equipment or sewage-treatment plant can significantly improve the effect of sewage disposal.
And each partition member is arranged in shell in the sewage-treatment plant of the present invention, integrated design so that account for
Ground area is few, and short construction period is not limited by landform, high treating effect etc..Meanwhile being made of stainless steel shell,
Can be with intensifier or the intensity of equipment, while inner surface (i.e. regulating reservoir, hydrolysis acidification pool, the biological contact oxidation of partition member
Change pond, sedimentation basin inner surface) use stainless steel so that it is that during waste water corruption can be effectively prevent
Erosion.
Hydrolysis acidification is mainly used for that organic concentration is higher, SS (solid suspension concentration) higher sewage treatment process,
According to an embodiment of the invention, described device can further be appended below technical characteristic：
According to an embodiment of the invention, described device further comprises grid, according to the direction of sewage disposal, the grid
It is set to before the regulating reservoir, the grid sets at least to coarse rack and fine fack twice.Grid is used for intercepting bulk
Suspended matter or floating material will not block subsequent device to ensure that follow up device is worked normally.Grid is arranged to slightly
Grid and the spaced mode of fine fack can effectively realize effective filtering of the suspended matter or floating material of sewage.
According to an embodiment of the invention, described device further comprises sterilization pool, and the entrance of the sterilization pool is the same as described heavy
The third outlet in shallow lake pond is connected.A part in sewage Jing Guo precipitation process is directly entered sterilization pool, is then added by depth
Work processing, so as to be recycled as water resource.
According to an embodiment of the invention, described device further comprises septic tank, and the entrance of the septic tank is the same as described heavy
4th outlet in shallow lake pond is connected.Sludge part in sewage Jing Guo precipitation process is sent directly into septic tank, is used as fertilizer
It applies fertilizer.
According to an embodiment of the invention, in described device, when sewage is sent into the biological contact oxidation pond, micropore is utilized
Aerated conduit controls the inlet of oxygen so that sewage carries out Anaerobic Treatment, then adjusts micro-pore aeration pipeline and is sent into oxygen, makes
It obtains sewage and carries out aerobic oxidation.Using micro-pore aeration pipeline, realizes and Anaerobic Treatment and aerobic oxidation, preferably anaerobism are carried out to sewage
In processing procedure, DO (dissolved oxygen) content in sewage is not more than 0.2mg/L, during aerobic oxidation, the DO contents in sewage
For 3~5mg/L.During Anaerobic Treatment, heterotrophic bacteria is by suspended contaminants such as starch, fiber, carbohydrate in sewage
It is hydrolyzed to organic acid with dissolved organic matter, larger molecular organics is made to be decomposed into small organic molecule, insoluble organic matter turns
Dissolved organic matter is turned to, when being passed through oxygen to these products through anaerobic hydrolysis, the biodegradability and oxygen of sewage can be improved
Efficiency；And in anaerobic processes, the pollutants such as protein, fat are carried out ammonification (the N work amino acid in organic chain by heterotrophic bacteria
In amino) dissociate ammonia, by ammoxidation be NO from the nitrification of oxygen bacterium under oxygen supply condition3 -, it is low then to control oxygen content
It in 0.5mg/L, preferably controls oxygen content and is less than 0.2mg/L, under anoxic conditions, the denitrification of heterotrophic bacteria is by NO3 -Reduction
For molecular nitrogen (N2) sewage harmless treatment is realized to complete the cycle of carbon, nitrogen, oxygen in ecology.
According to another aspect of the present invention, the present invention also provides a kind of sewage water treatment method, include the following steps：(1)
Sewage is passed through regulating reservoir by pipeline, adjusts the water quality of sewage；(2) and then by the sewage through overregulating in hydrolysis acidification
Acidification is hydrolyzed in pond；(3) it will be passed through in biological contact oxidation pond by the sewage of hydrolysis acidification processing, described in control
Oxygen content in biological contact oxidation pond in sewage so that the sewage carries out Anaerobic Treatment and aerobic oxidation respectively；(4) then
The sewage is passed through sedimentation basin and carries out precipitation process, a part for the sewage by precipitation process is back to the hydrolysis acidification
Acidification is hydrolyzed in pond, a part is back in biological contact oxidation pond and carries out Anaerobic Treatment and aerobic oxidation.
According to an embodiment of the invention, the above sewage water treatment method can further be appended below technical characteristic：
According to an embodiment of the invention, will be existed by the COD contents of precipitation according to the amount of the COD in sewage in step (4)
The sewage of 800mg/L or more is back in the hydrolysis acidification pool and acidification is hydrolyzed, and will exist by the COD contents of precipitation
Sewage between 100~800mg/L, which is back in the biological contact oxidation pond, carries out Anaerobic Treatment and aerobic oxidation.
According to an embodiment of the invention, before the sewage is passed through the regulating reservoir by pipeline, using between thickness
Preliminary filtration processing is carried out to the sewage every grid, the grid sets at least to coarse rack and fine fack twice.Preferably,
The coarse rack and the fine fack are set as three, four Dao He five.
According to an embodiment of the invention, a part for the sewage Jing Guo precipitation process is passed through sterilization pool, carries out depth and adds
Work is recycled as sanitary sewage；A part for sewage Jing Guo precipitation process is passed through septic tank, as Fertilizer application.
According to an embodiment of the invention, the time of the processing of hydrolysis acidification described in step (2) is 4~6 hours.When will hydrolyze
For the time control of acidification at 4~6 hours, hydrolysis acidification reaction at this time can adapt to larger water quality range, by water
Solve the water stabilization of acidification.
According to an embodiment of the invention, in step (3) when sewage enter the biological contact oxidation pond after, the sewage into
The time of row Anaerobic Treatment is 3~5 hours, and the time that the sewage carries out aerobic oxidation is 7~10 hours.
According to an embodiment of the invention, in step (3), when carrying out Anaerobic Treatment to the sewage, in the sewage
Dissolved oxygen content be 0.5mg/L hereinafter, preferably 0.2mg/L hereinafter, when to the sewage carry out aerobic oxidation when, the sewage
In dissolved oxygen content be 5~15mg/L.
It is obtained by the present invention to have the beneficial effect that：Sewage-treatment plant provided by the present invention will by integrated design
Each partition member is built jointly into a shell, and floor space is few, and short construction period is not limited by landform.And it is exposed by micropore
Feed channel realizes the Anaerobic Treatment and aerobic oxidation of biological contact oxidation pond, and low energy consumption, with good investment.By the device of the invention,
Sewage disposal is carried out, the COD value that sewage may be implemented drops to 50mg/L hereinafter, meeting the discharge standard of sewage.
Description of the drawings
Fig. 1 is a kind of sewage-treatment plant provided according to the embodiment of the present invention.
Fig. 2 is a kind of sewage-treatment plant provided according to the embodiment of the present invention.
Wherein, label 101 is regulating reservoir, and label 102 is hydrolysis acidification pool, and label 103 is biological contact oxidation pond, label
104 be sedimentation basin, and label 105 is sterilization pool, and label 106 is septic tank, and label 100 is shell.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
The present invention provides a kind of integrated sewage disposal device, shell and the lattice being arranged in the shell
Part, wherein the shell is made of carbon steel material, and the inner surface of the partition member is that stainless steel material is made, described point
Include every component：Regulating reservoir, the regulating reservoir are used to adjust the water quality of sewage, and the bottom of the regulating reservoir is equipped at least one
Perforated pipe；Hydrolysis acidification pool, the first entrance of the hydrolysis acidification pool are connected with the outlet of the regulating reservoir, the hydrolysis acid
Change and is equipped with micro-pore aeration agitating device in pond；Biological contact oxidation pond, the first entrance of the biological contact oxidation pond with it is described
The outlet of hydrolysis acidification pool is connected, and the side wall of the biological contact oxidation pond is equipped with micro-pore aeration pipeline, the micro-pore aeration
Pipeline is used for controlling the inlet of oxygen；Sedimentation basin, the first outlet and second outlet of the sedimentation basin respectively with the hydrolysis
The second entrance of acidification pool is connected with the second entrance of the biological contact oxidation pond.
The sewage-treatment plant of the present invention can be embedded in underground, earth's surface may be used as greening or other purposes, can also
It is placed on the ground；And A/O (aerobic/anaerobic) group technology is used, the effect of reaching denitrogenation dephosphorizing can be synchronized.And use one
Body structure, easy for construction, the period is short, can move.It can be widely applied to Small Urban sanitary sewage disposal, residential quarters
Sanitary sewage disposal, the life kinds sewage disposal such as hotel, school, tourist attraction, small-scale production wastewater treatment (including：Brewing,
The industries such as beer, cultivation, process hides, food, meat packing, printing and dyeing).
Using the device of the invention, based on biochemical processing process, the works such as collection anoxic, aerobic, sludge settling, disinfection
The integrated treatment to sludge may be implemented in one in skill.
A kind of specific implementation mode according to the present invention, the present invention provides a kind of sewage-treatment plants, as shown in Figure 1.
The sewage-treatment plant includes shell 100 and the partition member that is arranged in the shell, wherein each partition member is along sewage
The process of processing is followed successively by regulating reservoir 101, hydrolysis acidification pool 102, biological contact oxidation pond 103 and sedimentation basin 104.The adjusting
The outlet in pond is connected with the first entrance of the hydrolysis acidification pool, and the outlet of the hydrolysis acidification pool is the same as the bio-contact oxidation
The first entrance in pond is connected, and the outlet of the biological contact oxidation pond is connected with the entrance of the sedimentation basin, the sedimentation basin
First outlet is connected with the second entrance of the hydrolysis acidification pool, the second outlet of the sedimentation basin and the bio-contact oxidation
The second entrance in pond is connected.The bottom of the regulating reservoir is arranged in parallel with four perforated pipes, for adjusting the water quality of sewage；
Micro-pore aeration agitating device is equipped in the hydrolysis acidification pool, the stir speed (S.S.) is 100r/min, the bio-contact oxidation
The side wall in pond is equipped with micro-pore aeration pipeline, for controlling the inlet of oxygen.By the integrated design, floor space is few,
And it is not limited by landform.
A kind of specific implementation mode according to the present invention, the present invention provides a kind of sewage-treatment plants, as shown in Figure 2.
The sewage-treatment plant along sewage disposal process in addition to regulating reservoir 101, hydrolysis acidification pool 102, biological contact oxidation pond 103
Outside sedimentation basin 104, have sterilization pool 105 and septic tank 106 again after sedimentation basin, wherein the outlet of the third of the sedimentation basin with
The sterilization pool is connected, and the 4th outlet of the sedimentation basin is connected with the septic tank and (each entrance is not shown in Fig. 2).
Embodiment 1
Sewage disposal is carried out using the sewage-treatment plant of the present invention, sewage is passed directly into adjusting by pipeline first
The water quality of sewage is reconciled in pond；Then acidification, the time of hydrolysis acidification processing is hydrolyzed in the sewage through overregulating
It is 4 hours, then passes to biological contact oxidation pond：The oxygen content in biological contact oxidation pond in sewage is controlled first so that dirty
Oxygen content in water is less than 0.2mg/L, and the sewage carries out Anaerobic Treatment 3 hours, then passes through the side of biological contact oxidation pond
Micro-pore aeration pipeline on wall, is passed through oxygen so that dirty content of oxygen dissolved in water reaches 5mg/L, carries out aerobic oxidation, and the time is
8 hours；Precipitation process is carried out by sedimentation basin is passed through by the sewage of biological contact oxidization treatment, then each layering sewage is carried out
Assessment, according to the amount of the COD in sewage, by a part for the sewage Jing Guo precipitation process, (COD contents are 800mg/L's or more
Sewage) it is back in hydrolysis acidification pool acidification is hydrolyzed, by a part, (COD contents are between 100~800mg/L
Sewage) it is back in biological contact oxidation pond and carries out biological contact oxidization treatment, sludge is sent directly into septic tank, as fertilizer
Material, standard compliant sewage is recycled.COD contents and the total nitrogen content in water before and after treatment are measured respectively, are calculated
The removal rate and nitrogen removal rate of COD.
Wherein, COD measures the measurement potassium dichromate method using National Standard of the People's Republic of China's water chemical oxygen demand
GB11914-89 scaling methods.
The total nitrogen in water is measured using alkaline chitinase resolution ultraviolet spectrophotometry (GB/T 11894-1989) to contain
Amount calculates nitrogen removal rate.
By calculating, the removal rate of the COD reaches 95.3%, and nitrogen removal rate has also reached 90% or more.By place
Effluent quality after reason is fully able to reach the integrated wastewater discharge standard (GB8978-1996) of national regulation.
Embodiment 2
Embodiment 2 difference from example 1 is that, it is first before sewage is passed through the regulating reservoir by pipeline
Preliminary filtration processing carried out to the sewage first with the grid at thickness interval, coarse rack and fine fack respectively together with, the thick lattice
Grid and the fine fack are metal grizzly bar, and the grizzly bar spacing of the fine fack is 10mm, and the grizzly bar gap of the coarse rack is
Then 80mm is handled in the same manner as shown in Example 1.
By calculating, the removal rate of the COD reaches 97.8%, and nitrogen removal rate has also reached 93.5%.By processing
Effluent quality afterwards is fully able to reach the integrated wastewater discharge standard of national regulation.
Embodiment 3
Sewage disposal is carried out using the sewage-treatment plant of the present invention, sewage is passed directly into adjusting by pipeline first
The water quality of sewage is reconciled in pond；Then acidification, the time of hydrolysis acidification processing is hydrolyzed in the sewage through overregulating
It is 6 hours, then passes to biological contact oxidation pond：The oxygen content in biological contact oxidation pond in sewage is controlled first so that dirty
Oxygen content in water is less than 0.2mg/L, and the sewage carries out Anaerobic Treatment 5 hours, then passes through the side of biological contact oxidation pond
Micro-pore aeration pipeline on wall, is passed through oxygen so that dirty content of oxygen dissolved in water reaches 15mg/L, carries out aerobic oxidation, time
It is 8 hours；Will by biological contact oxidization treatment sewage be passed through sedimentation basin carry out precipitation process, then to each layering sewage into
Row assessment, according to the amount of the COD in sewage, a part for the sewage Jing Guo precipitation process is back in hydrolysis acidification pool and is carried out
Hydrolysis acidification processing, a part is back in biological contact oxidation pond and carries out biological contact oxidization treatment, sludge is directly sent
Enter septic tank, as fertilizer, standard compliant sewage is recycled.The COD contents in water before and after treatment are measured respectively
And total nitrogen content, calculate the removal rate and nitrogen removal rate of COD.
By calculating, the removal rate of the COD reaches 96.2%, and nitrogen removal rate has also reached 92.3%.By processing
Effluent quality afterwards is fully able to reach the integrated wastewater discharge standard of national regulation.
Embodiment 4
Sewage disposal is carried out using the sewage-treatment plant of the present invention, sewage is passed directly into adjusting by pipeline first
The water quality of sewage is reconciled in pond；Then acidification, the time of hydrolysis acidification processing is hydrolyzed in the sewage through overregulating
It is 6 hours, then passes to biological contact oxidation pond：The oxygen content in biological contact oxidation pond in sewage is controlled first so that dirty
Oxygen content in water is less than 0.5mg/L, and the sewage carries out Anaerobic Treatment 3 hours, then passes through the side of biological contact oxidation pond
Micro-pore aeration pipeline on wall, is passed through oxygen so that dirty content of oxygen dissolved in water reaches 10mg/L, carries out aerobic oxidation, time
It is 10 hours；Precipitation process is carried out by sedimentation basin is passed through by the sewage of biological contact oxidization treatment, then to each layering sewage
Assessed, according to the amount of the COD in sewage, by a part for the sewage Jing Guo precipitation process be back in hydrolysis acidification pool into
The processing of row hydrolysis acidification, a part is back in biological contact oxidation pond and carries out biological contact oxidization treatment, and sludge is direct
Septic tank is sent into recycle standard compliant sewage as fertilizer.The COD measured respectively in water before and after treatment contains
Amount and total nitrogen content, calculate the removal rate and nitrogen removal rate of COD.
By calculating, the removal rate of the COD reaches 95.9%, and nitrogen removal rate has also reached 92.8%.By processing
Effluent quality afterwards is fully able to reach the integrated wastewater discharge standard of national regulation.
Comparative example 1
The place different from embodiment 1 of comparative example 1 is, directly logical after sewage enters the biological contact oxidation pond
The micro-pore aeration pipeline on the side wall of biological contact oxidation pond is crossed, oxygen is passed through so that the dissolved oxygen content in sewage is 10mg/
L carries out aerobic oxidation, and the time is 8 hours.
After treatment, the removal rate of COD obtains 92.3%, nitrogen removal rate 88.3%.
Comparative example 2
Comparative example 2 difference from example 1 is that, when sewage enter the biological contact oxidation pond after, not to it
In be passed through oxygen, the oxygen content in sewage is 0.2mg/L hereinafter, only carrying out Anaerobic Treatment 5 hours.
After treatment, the removal rate of COD obtains 83.5%, nitrogen removal rate 80.2%.
Comparative example 3
Comparative example 3 difference from example 1 is that, comparative example 3 will pass through biological contact oxidation pond processing dirt
Water is passed through after sedimentation basin carries out precipitation process, not by the sewage Jing Guo precipitation process according to the amount of the COD in sewage by one portion
To divide and is back in hydrolysis acidification pool, a part is back in biological contact oxidation pond, but directly by the sludge feedingization of precipitation
Manure pit, to the removal rate and nitrogen removal rate of remaining its COD of determination of sewage.
After treatment, the removal rate of COD obtains 73.5%, nitrogen removal rate 72.8%.In the description of this specification
In, the description meaning of reference term " one embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc.
Refer at least one reality that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in the present invention
It applies in example or example.In the present specification, schematic expression of the above terms need not be directed to identical embodiment or show
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.In addition, without conflicting with each other, those skilled in the art can will be described in this specification
The feature of different embodiments or examples and different embodiments or examples is combined.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of sewage-treatment plant, which is characterized in that including shell and the partition member being arranged in the shell, wherein
The shell is made of carbon steel material, and the inner surface of the partition member is that stainless steel material is made, the partition member packet
It includes：
Regulating reservoir, the regulating reservoir are used to adjust the water quality of sewage, and the bottom of the regulating reservoir is equipped at least one perforation
Pipe；
Hydrolysis acidification pool, the first entrance of the hydrolysis acidification pool are connected with the outlet of the regulating reservoir, the hydrolysis acidification pool
In be equipped with micro-pore aeration agitating device；
Biological contact oxidation pond, the first entrance of the biological contact oxidation pond are connected with the outlet of the hydrolysis acidification pool, institute
The side wall for stating biological contact oxidation pond is equipped with micro-pore aeration pipeline, and the micro-pore aeration pipeline is used for controlling the entrance of oxygen
Amount；
Sedimentation basin, the first outlet and second outlet of the sedimentation basin respectively with the second entrance of the hydrolysis acidification pool and described
The second entrance of biological contact oxidation pond is connected.
2. the apparatus according to claim 1, which is characterized in that described device further comprises grid, according to sewage disposal
Direction, the grid is set to before the regulating reservoir, and the grid sets at least to coarse rack and fine fack twice.
3. the apparatus according to claim 1, which is characterized in that further comprise that sterilization pool, the entrance of the sterilization pool are same
The third outlet of the sedimentation basin is connected.
4. the apparatus according to claim 1, which is characterized in that further comprise that septic tank, the entrance of the septic tank are same
4th outlet of the sedimentation basin is connected.
5. the apparatus according to claim 1, which is characterized in that when sewage is sent into the biological contact oxidation pond, profit
The inlet of oxygen is controlled with micro-pore aeration pipeline so that sewage carries out Anaerobic Treatment, then adjusts micro-pore aeration pipeline and is sent into
Oxygen so that sewage carries out aerobic oxidation.
6. the method for carrying out sewage disposal using 5 any one of them device of Claims 1 to 5, which is characterized in that including as follows
Step：
(1) sewage is passed through regulating reservoir by pipeline, adjusts the water quality of the sewage；
(2) and then by the sewage through overregulating acidification is hydrolyzed in hydrolysis acidification pool；
(3) it will be passed through in biological contact oxidation pond, controlled in the biological contact oxidation pond by the sewage of hydrolysis acidification processing
Oxygen content in sewage so that the sewage carries out Anaerobic Treatment and aerobic oxidation respectively；
(4) and then the sewage is passed through sedimentation basin and carries out precipitation process, a part for the sewage by precipitation process is back to
Acidification is hydrolyzed in the hydrolysis acidification pool, a part, which is back in the biological contact oxidation pond, carries out Anaerobic Treatment
And aerobic oxidation.
7. according to the method described in claim 6, it is characterized in that, further comprising：
Before the sewage is passed through the regulating reservoir by pipeline, the sewage is carried out using thickness interval grid preliminary
Filtration is handled, and the grid sets at least to coarse rack and fine fack twice.
8. according to the method described in claim 6, it is characterized in that, further comprising：
A part for sewage Jing Guo precipitation process is passed through sterilization pool, deep processing is carried out, is recycled as domestic water；
A part for sewage Jing Guo precipitation process is passed through septic tank, as Fertilizer application.
9. according to the method described in claim 6, it is characterized in that, hydrolysis acidification described in step (2) processing time be 4~
6 hours.
10. according to the method described in claim 6, it is characterized in that, when the sewage enters the biological in step (3)
After oxidation pond, the time that the sewage carries out Anaerobic Treatment is 3~5 hours, the time that the sewage carries out aerobic oxidation is 7~
10 hours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299931.4A CN108314270A (en) | 2018-04-04 | 2018-04-04 | Sewage-treatment plant and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810299931.4A CN108314270A (en) | 2018-04-04 | 2018-04-04 | Sewage-treatment plant and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108314270A true CN108314270A (en) | 2018-07-24 |
Family
ID=62896132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810299931.4A Pending CN108314270A (en) | 2018-04-04 | 2018-04-04 | Sewage-treatment plant and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108314270A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815841A (en) * | 2012-08-29 | 2012-12-12 | 成官文 | Reconstruction process of nitrogen and phosphorus removing by two-stage bio-contact oxidation |
| CN103241896A (en) * | 2013-05-02 | 2013-08-14 | 江苏瑞盛水处理有限公司 | Integrated water-treatment device |
| CN205974181U (en) * | 2016-08-17 | 2017-02-22 | 武汉市清源华羽环境工程设备有限公司 | Small -size integrative sewage treatment device |
-
2018
- 2018-04-04 CN CN201810299931.4A patent/CN108314270A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102815841A (en) * | 2012-08-29 | 2012-12-12 | 成官文 | Reconstruction process of nitrogen and phosphorus removing by two-stage bio-contact oxidation |
| CN103241896A (en) * | 2013-05-02 | 2013-08-14 | 江苏瑞盛水处理有限公司 | Integrated water-treatment device |
| CN205974181U (en) * | 2016-08-17 | 2017-02-22 | 武汉市清源华羽环境工程设备有限公司 | Small -size integrative sewage treatment device |
Non-Patent Citations (5)
| Title |
|---|
| 南通市农业委员会编: "《现代农业技术读本》", 31 December 2012 * |
| 张瑞娜等主编: "《饮用水安全与人们的生活：保护生命之源》", 30 June 2012 * |
| 张自杰: "《排水工程 下册》", 30 June 2000 * |
| 马志毅译: "《工业水污染控制》", 28 February 1992 * |
| 黎松强等编著: "《水污染控制与资源化工程》", 28 February 2009 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Wang et al. | Nutrients removal from municipal wastewater by chemical precipitation in a moving bed biofilm reactor | |
| AU2004274400B2 (en) | Single vessel multi-zone wastewater bio-treatment system | |
| KR101665636B1 (en) | Wastewater pretreatment method and sewage treatment method using the pretreatment method | |
| Figueroa et al. | Is the CANON reactor an alternative for nitrogen removal from pre-treated swine slurry? | |
| US20220363571A1 (en) | System and method for remediation of wastewater including aerobic and electrocoagulation treatment | |
| Zouboulis et al. | Enzymatic treatment of sanitary landfill leachate | |
| AU2012316304B2 (en) | Use of primary sludge for carbon source in an aerated-anoxic bioreactor system | |
| US20160130164A1 (en) | Devices, Systems and Methods for Facilitating Nutrient Removal by Anaerobic Ammonia Oxidation | |
| EP2563727B1 (en) | Wastewater treatment system and method to achieve class b biosolids using chlorine dioxide | |
| WO2004028981A1 (en) | Treatment of waste activated sludge | |
| CN112243428A (en) | System and method for treating wastewater and providing class A sludge | |
| CN102336483A (en) | Method and device for treating landfill leachate thick water | |
| Sabliy et al. | Efficient treatment of industrial wastewater using immobilized microorganisms | |
| Fatone et al. | Biological short-cut nitrogen removal from anaerobic digestate in a demonstration sequencing batch reactor | |
| CN103241892B (en) | Sewage treatment method | |
| Pan et al. | Effects of loading rate and aeration on nitrogen removal and N 2 O emissions in intermittently aerated sequencing batch reactors treating slaughterhouse wastewater at 11 C | |
| EP4377265A1 (en) | Systems and methods for reducing pollutants, including carbon in public utilities, agriculture and manufacturing | |
| KR100403864B1 (en) | A wastewater treatment methods | |
| CN108178303A (en) | A kind of livestock breeding wastewater processing unit of more technology couplings | |
| Pawęska et al. | Activated sludge technology combined with hydroponic lagoon as a technology suitable for treatment of wastewater delivered by slurry tanks | |
| Hajsardar et al. | Nitrogen removal from ammonium-rich pharmaceutical wastewater. A comparison between sequencing batch reactor (SBR) and sequencing batch biofilm reactor (SBBR) | |
| Brazil et al. | Aerobic treatment of gravity thickening tank supernatant | |
| CN108314270A (en) | Sewage-treatment plant and method | |
| Yerushalmi et al. | Removal of carbon, nitrogen and phosphorus from the separated liquid phase of hog manure by the multi-zone BioCAST technology | |
| KR102052163B1 (en) | Wastewater treatment apparatus and method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180724 |