CN109867358A - A kind of high-salt sewage processing system and its pool capacity and aeration method of adjustment - Google Patents
A kind of high-salt sewage processing system and its pool capacity and aeration method of adjustment Download PDFInfo
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- CN109867358A CN109867358A CN201910172788.7A CN201910172788A CN109867358A CN 109867358 A CN109867358 A CN 109867358A CN 201910172788 A CN201910172788 A CN 201910172788A CN 109867358 A CN109867358 A CN 109867358A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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Abstract
The present invention provides a kind of high-salt sewage processing system and its pool capacity and aeration method of adjustment, wherein the high-salt sewage processing system includes a sewage treatment portion, the sewage treatment portion includes an anaerobic pond, an anoxic pond, an aerobic tank and a biofilter, wherein the anaerobic pond, the anoxic pond, the aerobic tank and the biofilter are arranged with being sequentially communicated；One nitrification liquid return flow line, wherein the nitrification liquid return flow line has a first end and a second end, the first end is connected to the anoxic pond, and the second end is connected to the aerobic tank, and the nitrification liquid return flow line further includes being provided with a transfer tube and providing driving force；And a sludge reflux channel, wherein the sludge reflux channel has a first end and a second end, the first end is connected to the biofilter, and the second end is connected to the anaerobic pond, and the sludge reflux channel is additionally provided with a transfer tube and provides driving force.
Description
Technical field
The present invention relates to field of environment protection more particularly to a kind of high-salt sewage processing system and its pool capacities and aeration to adjust
Adjusting method.
Background technique
With the development of society, environmental protection, which becomes, is related to economic, society, following major issue, sewage discharge
Etc. leading to river pollution, and some objectionable impurities in sewage may be made once appearing in natural water area to natural ecology
At strong influence.
Therefore, for sewage treatment, there are many measures at present.And have that a kind of sewage is more difficult processed, it is with high salt
Class sewage, this kind of high-salt sewage constantly increase in recent years, lead to the chemical substance for having very much, mainly industrial the reason of growth
Discharge is not up to standard, and the salinity in sewage is caused to rise.And this kind of high-salt sewage to biology toxic and inhibiting effect very
Greatly, so that biologic treating technique can not slowly be implemented.
Mainly still there is following problem in treatment process:
The first, the salinity adaptation range of general sewage treatment is smaller, and common biochemical sludge is difficult to handle high salinity 2%
And its above sewage.
The second, the variation of the salinity of high-salt sewage is affected, when the salinity altercation time is shorter, such as from 20g/L change
When to 5g/L, it is more likely that generate irreversible injury to system.
Third, sewage degradation speed are slack-off under hypersaline environment, so that the efficiency of sludge degradation organic matter reduces.
4th, sludge loss is serious, and when sewage density becomes larger, the sedimentation function of sludge weakens, so that dirty in exiting water process
Mud is also lost therewith, and whole sewage treating efficiency is caused to reduce.
Summary of the invention
Technical problem to be solved by the present invention lies in provide a kind of high-salt sewage processing system and its pool capacity and aeration
Method of adjustment can adapt to the organic sewage of different salinity, so that the adaptability of processing sewage improves.
For the technical problem more than solving, the present invention provides technical solutions below:
A kind of high-salt sewage processing system, comprising:
One sewage treatment portion, the sewage treatment portion include an anaerobic pond, an anoxic pond, an aerobic tank and a biological filter
Pond, wherein the anaerobic pond, the anoxic pond, the aerobic tank and the biofilter are arranged with being sequentially communicated；
One nitrification liquid return flow line, wherein the nitrification liquid return flow line has a first end and a second end, described the
One end is connected to the anoxic pond, and the second end is connected to the aerobic tank, and the nitrification liquid return flow line further includes a transfer tube,
The transfer tube is arranged in the nitrification liquid return flow line and provides driving force；And
One sludge reflux channel, wherein the sludge reflux channel has a first end and a second end, the first end
It is connected to the biofilter, the second end is connected to the anaerobic pond, and the sludge reflux channel further includes a transfer tube, described
Transfer tube is arranged in the sludge reflux channel and provides driving force.
Preferably, the anaerobic pond is set as a preposition anaerobic pond, and the preposition anaerobic pond is according to the salt of handled water
It spends and designs adjustment pool capacity size, the preposition anaerobic pond is provided with a salinity measurement element, and the salinity measurement element is used for
Detect the salinity of water.
Preferably, wherein the anaerobic pond and the anoxic pond are provided with a fixed filler.
Preferably, wherein the aerobic tank is provided with a fluidisation bed fillers.
Preferably, wherein the biofilter is provided with a biologic packing material.
Preferably, the aerobic tank is additionally provided with an aerator, and the aerator is connected to the aerobic tank, in institute
It states in aerobic tank and is aerated, the salinity measurement element communication the aerator is connected, with the salinity in detection system
And then adjust aeration quantity.
Preferably, wherein the biologic packing material has a protective layer and a buffer layer, wherein the protective layer is arranged in institute
The inside of biologic packing material is stated, the outside of the biologic packing material is arranged in the buffer layer.
Preferably, wherein the high-salt sewage processing system further includes a control centre, the control centre includes a letter
Acquiring unit, an information process unit and an information execution unit are ceased, wherein described in the information acquisition unit communicatedly connects
Information process unit, the information process unit communicatedly connect the information execution unit, the information execution unit
Control ground connects the aerator.
The present invention further provides a kind of anaerobic pond pool capacity methods of adjustment, comprising the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the pool capacity of the anaerobic pond is adjusted.
Other side under this invention, the present invention further provides a kind of aeration methods of adjustment, comprising the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the aeration quantity of the aerator is adjusted.
Technical solution more than using, since the anaerobic pond can adjust pool capacity, and energy in the biofilter
It is enough to guarantee to cultivate suitable salt bacterium, therefore the beneficial effects of the present invention are:
The first, wherein the high-salt sewage processing system can adjust pool capacity in turn with different salinity, so that working as salt
When spending higher, pool capacity is bigger, is also more conducive to processing sewage；
The second, packing density therein can be adjusted according to the sewage salinity altercation in treatment process, to guarantee entirety
The normal operating of system；
Third, the microorganism wherein during the biochemical treatment in the high-salt sewage processing system are fixed in filler,
It is lost to avoid microorganism when sewage water outlet；
4th, the packing density can be controlled, and then reduces sludge in dirty water float, to improve sewage treatment
Efficiency；
5th, it can guarantee the suitable growing environment of microorganism, so that the microorganism can also protect under hypersaline environment
Hold eubolism；
6th, it is able to maintain the reparative regeneration of microorganism, the microorganism when the salinity altercation of sewage is larger, on the outside of filler
Buffering and protection are provided for the microorganism on the inside of filler, even if microorganism on the outside is destroyed, the microorganism energy of inside
Enough constantly reparative regenerations, to improve shock proof ability.
7th, it can be improved aeration quantity, so that on the one hand meeting when microbiological treatment is metabolized in high-salt sewage to oxygen
On the other hand demand carries out thoroughly stirring to filler to prevent local anaerobic.
By the understanding to subsequent description and attached drawing, further aim of the present invention and advantage will be fully demonstrated.
These and other objects of the invention, feature and advantage, by following detailed descriptions, drawings and claims are obtained
To fully demonstrate.
Detailed description of the invention
Fig. 1 is the system schematic according to the high-salt sewage processing system.
Fig. 2 is the schematic diagram according to the inner stuffing in the high-salt sewage processing system.
Fig. 3 be according to the inner stuffing among the biologic packing material schematic diagram.
Fig. 4 is the system schematic according to the adjustment control method of the high-salt sewage processing system.
Specific embodiment
It is described below for disclosing the present invention so that those skilled in the art can be realized the present invention.It is excellent in being described below
Embodiment is selected to be only used as illustrating, it may occur to persons skilled in the art that other obvious modifications.It defines in the following description
Basic principle of the invention can be applied to other embodiments, deformation scheme, improvement project, equivalent program and do not carry on the back
Other technologies scheme from the spirit and scope of the present invention.
It will be understood by those skilled in the art that in exposure of the invention, term " longitudinal direction ", " transverse direction ", "upper",
The orientation or position of the instructions such as "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside"
Relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore above-mentioned
Term is not considered as limiting the invention.
It is understood that term " one " is interpreted as " at least one " or " one or more ", i.e., in one embodiment,
The quantity of one element can be one, and in a further embodiment, the quantity of the element can be it is multiple, term " one " is no
It can be interpreted as the limitation to quantity.
As shown in Figure 1, the high-salt sewage processing system includes one dirty the present invention provides a high-salt sewage processing system
Water-handling portion would 10, the sewage treatment portion 10 include an anaerobic pond 101, an anoxic pond 102, an aerobic tank 103 and a biological filter
Pond 104, wherein sewage is according to the anaerobic pond 101, the anoxic pond 102, the aerobic tank 103 and the biofilter 104
Sequence handled so that the sewage is handled in the whole process, harmful substance is separated.
It is understood that the sewage is firstly the need of entering the anaerobic pond 101, wherein the anaerobic pond 101
Pool capacity can be adjusted according to the salinity of the sewage.Wherein, the salinity that the anaerobic pond 101 receives the sewage takes
Sample, before entering the anaerobic pond 101, the sewage needs are sampled to detect salinity therein.
Specifically, the anaerobic pond 101 is set as a preposition anaerobic pond, and the preposition anaerobic pond is provided with a salinity measurement
Element 1011, the pool capacity for adjusting the preposition anaerobic pond in turn according to the salinity measurement element 1011 salinity detected are big
It is small.The preposition anaerobic pond is arranged before the anoxic pond 102, while being able to carry out in the anaerobic pond 102 and opening in system
Begin to be operated before operation.
Therefore, the salinity measurement element 1011 receives the salinity of the sewage, and then adjusts the anaerobic pond 101
Pool capacity.Such as: when salinity is lower than 2%, the pool capacity of the anaerobic pond 101 is 1-1.2 times of normal pool capacity, when salinity is higher than
When 3%, the pool capacity of the anaerobic pond 101 is 1.5 times of normal pool capacity.So that the high-salt sewage processing system is capable of handling not
With the sewage of salinity.
The advantage of the operation of above-mentioned adjustment pool capacity is that it is possible to keep the anaerobic bacteria in the anaerobic pond 101 can be more preferable
Ground adapts to hypersaline environment, and anaerobic bacteria type is complicated, and accretion rate is fast not as aerobic bacteria, once do not adjust pond
Hold, it is easy to anaerobic bacteria be caused to be impacted without adapting to hypersaline environment in time.
As shown in Fig. 2, further, the sewage passes through after the anaerobic pond 101, the anoxic pond 102 is entered,
Need to be set a fixed filler 1010 and 1020 in the anaerobic pond 101 and the anoxic pond 102, it is described in the present embodiment
Fixed filler 1010 and 1020 uses the fixation filler of easy demoulding, therefore the microorganism grown in the filler is fixed.
Further, the sewage enters the aerobic tank 103, is provided with a fluidisation in the aerobic tank 103
Bed fillers 1030, so that the density of density and high-salt sewage is roughly the same after fluidisation 1030 biofilm of bed fillers, therefore, institute
Fluidisation bed fillers 1030 are stated to be suspended in the high-salt sewage.
It should be noted that the high-salt sewage processing system further includes a nitrification liquid reflux line 20, wherein the nitre
Changing liquid reflux line 20 has a first end 21 and a second end 22, wherein the first end 21 is connected to the anoxic pond 102, institute
It states second end 22 and is connected to the aerobic tank 103, and the digestive juice reflux line 20 further includes a transfer tube 23, wherein described
Transfer tube 23 is that the nitrification liquid reflux line 20 provides the power of reflux, so that the nitrification liquid in the aerobic tank 103 flows back
It to the anoxic pond 102, and constantly moves in circles, to complete the function of denitrogenation.
It is noted that the high-salt sewage processing system is provided with an aerator in the aerobic tank 103
1031, the aerator 1031 obtains the salinity information of the sewage, carries out aeration operation, example according to the salinity information
Such as: when growth of the salinity from 0.5% to 2%, aeration quantity is improved to 1.5-2 times.
Meanwhile the increase of aeration quantity, the content of dissolved oxygen is on the one hand improved, so that micro- in total system hypersaline environment
Biology is satisfied due to the demand of accretion rate accelerated in turn to oxygen；On the other hand the fluidisation bed fillers 1030 are carried out
Thoroughly stirring is to prevent local anaerobic.
Finally, the sewage enters the biofilter 104 from the aerobic tank 103, in general filtering technique,
Finally water is separated with sludge using common filtering ponds.In the present embodiment, the biofilter 104 is provided with a biology
Filler 1040, the biologic packing material 1040 are precipitated instead of original activity, and growth has microorganism on the biologic packing material 1040,
It avoids most microorganism and is lost because of water outlet.
A sludge return pipe 30 is additionally provided in the high-salt sewage processing system, wherein the sludge return pipe
30 have a first end 31 and a second end 32, wherein the first end 31 is connected to the biofilter 104, the second end 32
It is connected to the anaerobic pond 101.Among the sludge return pipe 30, in the biofilter 104, the sludge of precipitating is refluxed
It further include a transfer tube 33 in the sludge return pipe 30, the transfer tube 33 is the sludge to the anaerobic pond 101
Reflux provides driving force.
In the high-salt sewage processing system, after sludge reflux, suitable salt bacterium is mixed among the anaerobic pond 101
Sludge, so that the sewage is during processing, it can efficiently be suitable for hypersaline environment.
In sewage disposal process, the strain of the suitable salt bacterium in each process and effect are differences, therefore, not
Strain needs to keep balance in same process.During processing, the fixed filler 1010,1030 and of fluidisation bed fillers
The microorganism therein such as the biologic packing material 1040 starts to grow, and when growth reaches a certain level, the microorganism is
It falls off, and enters eventually into from the fixed filler 1010, the fluidisation bed fillers 1030 and described biologic packing material 1040 etc.
Sludge in the biofilter 104.
That is, at this time comprising being suitable for the anaerobic pond 101, the anoxic pond 102 and the anaerobism in the sludge
Suitable salt bacterium in pond 103.When the sludge is flowed back into the anaerobic pond 101 by the sludge return pipe 30, at this time
The suitable salt bacterium in the sludge is adapted to current hypersaline environment, can more quickly adapt to.Meanwhile the sewage carries
There is the suitable salt bacterium to be recycled in the entire system, therefore after recycling for several times, the anaerobic pond 101, the anoxic pond
102 and the anaerobic pond 103 and the biofilter 104 all have the quantity of the suitable salt bacterium accordingly balanced, and passing through
After circulation several times, the suitable salt bacterium also can adapt to hypersaline environment.
It should be noted that the fixed filler 1010, the fluidisation bed fillers 1030 and the biologic packing material 1040 are
The growth of the microorganism provides protection, fills out in the fixed filler 1010, the fluidisation bed fillers 1030 and the biology
There is growth microorganism in the inner side and outer side of material 1040.When the salinity altercation of the sewage is larger, the fixed filler 1010,
The microorganism in the outside of the fluidisation bed fillers 1030 and the biologic packing material 1040 is first subjected to impact, and is inside
The microorganism provide buffering and protection, the microorganism of the high-salt sewage processing system is repaired again
It is raw, while improving shock proof ability.
As shown in figure 3, therefore, the biologic packing material 1040 has a protected seam 1041 and a protective layer 1042, wherein
The inside of the biologic packing material is arranged in the protected seam 1041, and the outer of the biologic packing material is arranged in the protective layer 1042
Side, and the protected seam 1041 and the protective layer 1042 keep the bioactivity of the biologic packing material 1040.
As shown in figure 4, in the above-described embodiments, the salinity measurement element 1011 and the aerator 1031 are obtaining
To after the salinity information, can be operated manually.And in another embodiment, the high-salt sewage processing system is also wrapped
A control centre 40 is included, the control centre 40 includes that an information acquisition unit 41, an information process unit 42 and an information are held
Row unit 43, wherein the information acquisition unit 41 communicatedly connects the information process unit 42, the information process unit
42 communicatedly connect the information execution unit 43, and the information execution unit 43 controllably connects the aerator
1031。
After the information acquisition unit 41 gets the salinity information of the sewage, the information process unit 42 is
A control signal can be handled and export, the execution unit 43 is by controlling the aerator 1031 and salinity measurement member
Part 1011 is completed to execute.
In above-mentioned sewage disposal process, the present invention provides an anaerobic pond pool capacity methods of adjustment, comprising the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the pool capacity of the anaerobic pond is adjusted.
In above-mentioned sewage disposal process, the present invention provides an aeration methods of adjustment, comprising the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the aeration quantity of the aerator is adjusted.
It should be understood by those skilled in the art that foregoing description and the embodiment of the present invention shown in the drawings are only used as illustrating
And it is not intended to limit the present invention.The purpose of the present invention has been fully and effectively achieved.Function and structural principle of the invention exists
It shows and illustrates in embodiment, under without departing from the principle, embodiments of the present invention can have any deformation or modification.
Claims (10)
1. a kind of high-salt sewage processing system characterized by comprising
One sewage treatment portion, the sewage treatment portion include an anaerobic pond, an anoxic pond, an aerobic tank and a biofilter,
Described in anaerobic pond, the anoxic pond, the aerobic tank and the biofilter be arranged with being sequentially communicated；
One nitrification liquid return flow line, wherein the nitrification liquid return flow line has a first end and a second end, the first end
It is connected to the anoxic pond, the second end is connected to the aerobic tank, and the nitrification liquid return flow line further includes a transfer tube, described
Transfer tube is arranged in the nitrification liquid return flow line and provides driving force；And
One sludge reflux channel, wherein the sludge reflux channel has a first end and a second end, the first end connection
The biofilter, the second end are connected to the anaerobic pond, and the sludge reflux channel further includes a transfer tube, the driving
Pump is arranged in the sludge reflux channel and provides driving force.
2. high-salt sewage processing system according to claim 1, which is characterized in that the anaerobic pond, which is set as one, preposition to be detested
Oxygen pond, the preposition anaerobic pond design adjustment pool capacity size, the preposition anaerobic pond setting according to the salinity of handled water
There is a salinity measurement element, the salinity measurement element is used to detect the salinity of water.
3. high-salt sewage processing system according to claim 1, which is characterized in that the anaerobic pond and the anoxic pond are equal
It is provided with a fixed filler.
4. high-salt sewage processing system according to claim 1, which is characterized in that the aerobic tank is provided with a fluidized bed
Filler.
5. high-salt sewage processing system according to claim 1, which is characterized in that the biofilter is provided with a biology
Filler.
6. high-salt sewage processing system according to claim 2, which is characterized in that the aerobic tank is additionally provided with an aeration
Device, the aerator are connected to the aerobic tank, to be aerated in the aerobic tank, the salinity measurement element communication
Ground connects the aerator, with the salinity in detection system and then adjusts aeration quantity.
7. high-salt sewage processing system according to claim 5, which is characterized in that the biologic packing material has a protective layer
With a protected seam, wherein the inside of the biologic packing material is arranged in the protected seam, the protective layer is arranged in the life
The outside of object filler.
8. high-salt sewage processing system according to claim 6, which is characterized in that the high-salt sewage processing system is also wrapped
A control centre is included, the control centre includes an information acquisition unit, an information process unit and an information execution unit,
Described in information acquisition unit communicatedly connect the information process unit, the information process unit communicatedly connects the letter
Execution unit is ceased, the information execution unit controllably connects the aerator.
9. a kind of pool capacity method of adjustment, which comprises the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the pool capacity of the anaerobic pond is adjusted.
10. a kind of aeration method of adjustment, which comprises the following steps:
(a) the salinity information of the sewage is obtained；And
(b) according to the salinity information, the aeration quantity of the aerator is adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172788.7A CN109867358B (en) | 2019-03-07 | 2019-03-07 | High-salinity sewage treatment system and tank volume and aeration adjustment method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910172788.7A CN109867358B (en) | 2019-03-07 | 2019-03-07 | High-salinity sewage treatment system and tank volume and aeration adjustment method thereof |
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| CN109867358A true CN109867358A (en) | 2019-06-11 |
| CN109867358B CN109867358B (en) | 2020-05-08 |
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2019
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| CN202322561U (en) * | 2011-11-14 | 2012-07-11 | 大同煤矿集团有限责任公司 | Industrial park sewage treatment device |
| CN103663696A (en) * | 2013-12-13 | 2014-03-26 | 重庆大学 | Membrane bio-reactor (MBR) used for treating preserved szechuan pickle wastewater and reinforcing biological phosphorous and nitrogen removal |
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Effective date of registration: 20230428 Address after: No. 217 Dunhuang Road, Shahekou District, Dalian City, Liaoning Province, 116083 Patentee after: Dalian Bodo science and Technology Development Co.,Ltd. Address before: No. 655-59 Jiefang Road, Zhongshan District, Dalian City, Liaoning Province, 116000 Patentee before: Yang Lin |
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