CN110482703A - A kind of sewage disposal system using COD in plant deeply treating wastewater - Google Patents
A kind of sewage disposal system using COD in plant deeply treating wastewater Download PDFInfo
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- CN110482703A CN110482703A CN201910753504.3A CN201910753504A CN110482703A CN 110482703 A CN110482703 A CN 110482703A CN 201910753504 A CN201910753504 A CN 201910753504A CN 110482703 A CN110482703 A CN 110482703A
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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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
-
- 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
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- 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
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
Abstract
The present invention relates to a kind of sewage disposal systems using COD in plant deeply treating wastewater, it is characterized in that, including foul water tank, and the water inlet (11) set gradually in foul water tank along drainage flow direction, level-one plant treatment area, synergistic bacterium treatment region (4) are set, and secondary plant treatment region and water outlet (10), setting water plant and strain eluting device (7) in the synergistic bacterium treatment region (4).Compared with prior art, the present invention is using water plant and special synergistic bacterium reparation, and COD removal efficiency significantly improves, so as to reduce the occupied area of prosthetic device；It due to the combination of special salt tolerant strain, can be used for the advanced treating of the pharmaceutical waste water of saliferous, can especially be used for chemical industry and pharmaceutical factory sewage plant discharges the advanced treating of preceding waste water.
Description
Technical field
The present invention relates to water treatment fields, at a kind of sewage using COD in plant deeply treating wastewater
Reason system.
Background technique
Natural environment is influenced by social development, and industrial pollution endangers atmosphere, water body.Water pollution is one worldwide
Problem, it will lead to the water resource originally lacked can be using reduced performance, the gradually degeneration of Natural Water ecosystem.Therefore, how
Being effectively treated to sewage is mankind's problem in the urgent need to address.Studies have shown that the absorption, volatilization, rhizosphere that pass through plant
The effects of degrading, stablizing, can also achieve the purpose that environment purification with the pollutant in purifying water body, soil or atmosphere.And because
The reasons such as the hierarchy of skill is low, the low expense of Operation and Maintenance demand is low, effect is good, secondary pollution is low are widely used.But it accounts for
Ground area makes have certain limitation in its use process greatly；Plant also has certain limitation to the processing of water body, such as
The sewage of chemical pharmaceutical factory, there are biochemical degradation difficulty, plant treatment effect under salt stress drops in higher salt content
It is low.Therefore, develop it is a kind of can be reduced land area and be suitable for chemical pharmaceutical factory sewage plant waste water, can utilize plant treatment
Deep treatment method seem especially urgent.
Chinese patent CN106830343A discloses a kind of method using water plant removal total nitrogen, and building one is compound
Processing system, including stabilization pond, free water surface wetland, eco-water conveyance canal, four subsystems of horizontal subsurface flow wetland lead between each subsystem
Technique is crossed to be sequentially connected in series.Chinese patent CN102616939B is related to a kind of artificial swamp of the Northwest's processing salt water, contains
Body of salt carries out depth evolution after the precipitation of sedimentation basin, through the water plant of salt tolerant.Above-mentioned patent, although can
Achieve the effect that using plant treatment sewage, but take up a large area, the limitation in place limits its popularization and application.
Summary of the invention
Plant depth is utilized it is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of
Handle the sewage disposal system of COD in sewage.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of sewage disposal system using COD in plant deeply treating wastewater, including foul water tank, and be arranged in sewage
Water inlet, level-one plant treatment area, synergistic bacterium treatment region and the secondary plant set gradually in case along drainage flow direction
Water plant and strain eluting device are arranged in the synergistic bacterium treatment region for treatment region and water outlet.
Further, by vertical between level-one plant treatment area, synergistic bacterium treatment region and secondary plant treatment region
Baffle interval, partition are 10-20cm lower than the highest point of foul water tank.
Further, level-one plant treatment area includes No.1 processing pond longitudinally disposed from top to bottom, matrix filtering
Pond and the precipitating water pond being connected by water stream channel with synergistic bacterium treatment region, the No.1 processing pond, matrix filtering ponds
Horizontal filtering partition is equipped between precipitating water pond, the spacing between two layers of horizontal filtering partition is 20cm, matrix filtering ponds
Horizontal filtering partition between precipitating water pond is 20cm at a distance from foul water tank bottom surface, is had on horizontal filtering partition several small
Hole is used for filtered water stream.
Further, deep root system emergent aquactic plant, including reed, fishscale bamboo, the stem or leaf of cattail, thatch are transplanted in the No.1 processing pond
One of mushroom, wilson iris, aquatic iris, canna, thaliadeabata, Herba Pratiae Nummulariae, Arundo donax, Lythrum salicaria, mullet grass are several
Kind.
Further, filler is added in the matrix filtering ponds, partial size adjustment is carried out according to situation on the spot, is layered cloth
It sets, for filtering absorption of the waste water after No.1 processing pond is processed.
Further, the precipitating water pond in level-one plant treatment area and the lower partition between synergistic bacterium treatment region
Offer water stream channel.
Further, submerged plant, including the climing algae in river or foxtail are transplanted in the synergistic bacterium treatment region.
Further, the strain eluting device is biological bed, and the volume of the biological bed is sewage volume in foul water tank
0.1%-3%, transplanted salt-durable microbe strain in the biological bed, the saliferous that can be used for advanced treating chemical pharmaceutical factory is useless
Water.
Further, the salt-durable microbe strain can be one or more of combinations of following strain: gram
Positive bacillus (Bacillus Pumilus), pseudomonas aeruginosa (Pseudomonas aeruginosa), bacillus
(Bacil lus), Arthrobacter (Arthrobacter), Alcaligenes (Alcaligenes), Erythrobacillus
(Rhodobacteraceae), acetobacter (Acetobacterium).
Further, synergistic bacterium treatment region bottom there also is provided aeration head.
Further, the secondary plant treatment region includes along horizontally disposed No. two processing ponds in drainage flow direction and three
Number processing pond is equipped with vertical filter septum, the vertical filter septum bottom end between No. two processing ponds and No. three processing ponds
There are the gaps of 5cm with the foul water tank bottom.
Further, shallow root system plant, including aquatic iris are transplanted in No. two processing ponds, plant is solid by rubble
Fixed, orifice filter is arranged in lower part.
Further, synergistic bacterium treatment region lower part is connected with precipitating water pond, top and No. two processing pond phases
Connection.
Further, floating plant, including water hyacinth are planted in No. three processing ponds, bottom is disposed with aeration head, institute
It states No. three and is additionally provided with effluent collection pond between processing pond and water outlet, abacus is set between No. three processing ponds and effluent collection pond
Overflow weir.
Further, it is provided with return line between the water outlet and water inlet, flow is set on the return line
Meter and water pump, the ratio for controlling regurgitant volume and inflow is 10%-300%.
Further, dissolved oxygen content in the aeration head control water body in the synergistic bacterium treatment region and No. three processing ponds
In the range of 1mg/L-8mg/L.
The method of operation is as follows:
Treatment sewage flows into No.1 processing pond by water inlet, reaches precipitating by matrix filtering ponds under the effect of gravity and deposits
Pond, then synergistic bacterium treatment region is flowed to by water stream channel, plant and synergistic bacterium, which act on, under aeration condition carries out sewage
Processing；It is horizontal after overflow to No. two processing ponds again afterwards to flow into No. three processing ponds, clear water up to standard is handled by orifice plate overflow weir flow
To effluent collection pond, discharged by water outlet.
In addition, the clear water in effluent collection pond some flow back into No.1 processing pond again, to improve NH3- N (ammonia-nitrogen content
Index), the removal effect of TN (total nitrogen content).
Compared with prior art, the invention has the following advantages:
(1) because strain eluting device (biological bed) can remain for a long time the group of advantage in water body, to realize
The Principles that cooperate with of salt-tolerant plant and salt tolerant strain, treatment effeciency greatly promote, and repair the occupied area of sewage disposal system
Reduce.
(2) compared with factory technics processing proposes mark transformation, operating cost is relatively low, good economy performance.
(3) combination of salt-tolerant plant and salt tolerant strain enables the method to adapt to Sewage Environment with high salt, therefore available
In the advanced treating of chemical pharmaceutical industry plant effuent station brine waste.
Detailed description of the invention
Fig. 1 is that the structural representation of the sewage disposal system of COD in plant deeply treating wastewater is utilized in the embodiment of the present invention
Figure.
Shown in figure label:
1, No.1 processing pond, 2, matrix filtering ponds, 3, precipitating water pond, 4, synergistic bacterium treatment region, 5, No. two processing ponds,
6, No. three processing ponds, 7, strain eluting device, 8, aeration head, 9, water pump, 10, water outlet, 11, water inlet, 12, water stream channel,
13, effluent collection pond, 14, orifice plate overflow weir.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
Following embodiment mesophytization bed uses angstrom lattice biological bed, and the equipment has transplanted special strain in advance.
Embodiment 1
As shown in Figure 1, a kind of sewage disposal system using COD in plant deeply treating wastewater includes with lower treatment plot
Domain: including foul water tank, and the water inlet 11 set gradually in foul water tank along drainage flow direction, level-one plant treatment are set
Water plant is arranged in synergistic bacterium treatment region 4 in area, synergistic bacterium treatment region 4 and secondary plant treatment region and water outlet 10
With strain eluting device 7.By vertical between level-one plant treatment area, synergistic bacterium treatment region 4 and secondary plant treatment region
Baffle interval, partition are 10-20cm lower than the highest point of foul water tank.
Level-one plant treatment area includes No.1 processing pond 1 longitudinally disposed from top to bottom, matrix filtering ponds 2 and precipitating water
Pond 3 is equipped with horizontal filtering partition, two layers of horizontal filtering partition between No.1 processing pond 1, matrix filtering ponds 2 and precipitating water pond 3
Between spacing be 20cm, matrix filtering ponds 2 and precipitating water pond 3 between horizontal filtering partition at a distance from foul water tank bottom surface
For 20cm, there are several apertures on horizontal filtering partition, is used for filtered water stream.
Transplant deep root system emergent aquactic plant in No.1 processing pond 1, including reed, fishscale bamboo, the stem or leaf of cattail, arrowhead, wilson iris, aquatic
One or more of iris, canna, thaliadeabata, Herba Pratiae Nummulariae, Arundo donax, Lythrum salicaria, mullet grass.In matrix filtering ponds 2
Filler is added, partial size adjustment, layered arrangement, for filtering absorption of after No.1 processing pond 1 is processed are carried out according to situation on the spot
Waste water.The lower partition between level-one plant treatment area and synergistic bacterium treatment region 4 offers water stream channel 12.
Submerged plant, including the climing algae in river or foxtail are transplanted in synergistic bacterium treatment region 4.Strain eluting device 7 is biochemistry
Bed, salt-durable microbe strain has been transplanted in biological bed, can be used for the brine waste of advanced treating chemical pharmaceutical factory.At synergistic bacterium
Reason 4 bottom of area there also is provided aeration head 8.
Secondary plant treatment region includes along horizontally disposed No. two processing ponds 5 in drainage flow direction and No. three processing ponds 6 two
Be equipped with number between processing pond 5 and No. three processing ponds 6 vertical filter septum, vertical filter septum bottom end and foul water tank bottom there are
The gap of 5cm.Shallow root system plant is transplanted in No. two processing ponds 5, including aquatic iris, plant are fixed by rubble, lower part setting
Orifice filter.Floating plant, including water hyacinth are planted in No. three processing ponds 6, bottom is disposed with aeration head 8, No. three 6 Hes of processing pond
It is additionally provided with effluent collection pond 13 between water outlet 10, abacus overflow weir is set between No. three processing ponds 6 and effluent collection pond 13
14。
It is provided with return line between water outlet 10 and water inlet 11, flowmeter and water pump 9 are set on return line.
The method of operation is as follows:
Treatment sewage flows into No.1 processing pond 1 by water inlet 11, and it is heavy to reach under the effect of gravity by matrix filtering ponds 2
Shallow lake water pond 3, then synergistic bacterium treatment region 4 is flowed to by water stream channel 12, plant and synergistic bacterium effect pair under aeration condition
Sewage is handled；It is horizontal after overflow to No. two processing ponds 5 again afterwards to flow into No. three processing ponds 6, clear water up to standard is handled through via hole
Plate overflow weir 14 flow to effluent collection pond 13, discharges by water outlet 10.
In addition, the clear water in effluent collection pond 13 some flow back into No.1 processing pond 1 again, to improve NH3(ammonia nitrogen contains-N
Figureofmerit), the removal effect of TN (total nitrogen content).
The brine waste for selecting the chemical pharmaceutical factory after two stage treatment, is run according to 1 conditional of table, is being intake
Mouth 11 and water outlet 10 are respectively to COD and NH3- N is detected, and the results are shown in Table 1:
Table 1
Embodiment 2
Using the processing system of such as embodiment 1, the brine waste of the chemical pharmaceutical factory after two stage treatment is selected, according to
2 conditional of table is run, respectively to COD and NH at water inlet and at water outlet3- N is detected, and the results are shown in Table 2:
Table 2
Embodiment 3
Using the processing system of such as embodiment 1, the brine waste of the chemical pharmaceutical factory after two stage treatment is selected, according to
3 conditional of table is run, respectively to COD and NH at water inlet and at water outlet3- N is detected, and the results are shown in Table 3:
Table 3
Embodiment 4
Using the processing system of such as embodiment 1, the brine waste of the chemical pharmaceutical factory after two stage treatment is selected, according to
4 conditional of table is run, respectively to COD and NH at water inlet and at water outlet3- N is detected, and the results are shown in Table 4:
Table 4
Comparative example 1
It using the processing system of such as embodiment 1, but is not provided with flowing back, selects the chemical pharmaceutical factory after two stage treatment
Brine waste is run according to 5 conditional of table, respectively to COD and NH at water inlet and at water outlet3- N is detected, as a result
It is shown in Table 5:
Table 5
Comparative example 2
Using the processing system of such as embodiment 1, is compared with salt tolerant strain and conventional common strain, be applied to practical salt content
For certain chemical pharmaceutical factory waste water after two stage treatment of 26000mg/L~28000mg/L, see Table 6 for details for Contrast on effect.From table
6 as it can be seen that high slat-containing wastewater passes through advanced treating after using salt tolerant strain, and the removal rate of COD is significantly improved.Wherein, conventional general
Logical strain is bacillus subtilis, gemma strain, lactic acid bacteria, saccharomycete, mycetozoan, firmicutes.
Table 6
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiments without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be of the invention
Within protection scope.
Claims (10)
1. a kind of sewage disposal system using COD in plant deeply treating wastewater, which is characterized in that including foul water tank, and
The water inlet (11) set gradually in foul water tank along drainage flow direction, level-one plant treatment area, synergistic bacterium processing are set
Area (4) and secondary plant treatment region and water outlet (10), the middle setting water plant of the synergistic bacterium treatment region (4) and bacterium
Kind eluting device (7).
2. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In level-one plant treatment area includes No.1 processing pond (1) longitudinally disposed from top to bottom, matrix filtering ponds (2) and passes through
The precipitating water pond (3) that water stream channel is connected with synergistic bacterium treatment region (4), the No.1 processing pond (1), matrix filtering ponds
(2) horizontal filtering partition is equipped between precipitating water pond (3).
3. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 2, feature exist
In, the deep root system emergent aquactic plant of plant in the No.1 processing pond (1), including reed, fishscale bamboo, the stem or leaf of cattail, arrowhead, wilson iris, water
One or more of raw iris, canna, thaliadeabata, Herba Pratiae Nummulariae, Arundo donax, Lythrum salicaria, mullet grass.
4. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In, plant submerged plant in the synergistic bacterium treatment region (4), including the climing algae in river or foxtail.
5. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In, the strain eluting device (7) is biological bed, and the volume of the biological bed is the 0.1%-3% of sewage volume in foul water tank,
Salt-durable microbe strain has been transplanted in the biological bed.
6. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In synergistic bacterium treatment region (4) bottom there also is provided aeration head (8).
7. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In the secondary plant treatment region includes along horizontally disposed No. two processing ponds (5) in drainage flow direction and No. three processing ponds
(6), No. two processing ponds (5) top is connected with synergistic bacterium treatment region (4), at No. two processing ponds (5) and No. three
It manages and is equipped with vertical filter septum between pond (6), there are the skies of 5cm with the foul water tank bottom for the vertical filter septum bottom end
Gap.
8. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 7, feature exist
In plant shallow root system plant in No. two processing ponds (5), including aquatic iris, plant are fixed by rubble, and lower part was arranged
Filter opening plate.
9. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature exist
In plantation floating plant in No. three processing ponds (6), including water hyacinth, bottom are disposed with aeration head (8), at described No. three
It is additionally provided with effluent collection pond (13) between reason pond (6) and water outlet (10), between No. three processing ponds (6) and effluent collection pond (13)
It is arranged abacus overflow weir (14).
10. a kind of sewage disposal system using COD in plant deeply treating wastewater according to claim 1, feature
Be, be provided with return line between the water outlet (10) and water inlet (11), on the return line setting flowmeter and
Water pump (9), the ratio for controlling regurgitant volume and inflow is 10%-300%.
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Application publication date: 20191122 |
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