CN106430856A - Chlorella-based sewage treatment device - Google Patents
Chlorella-based sewage treatment device Download PDFInfo
- Publication number
- CN106430856A CN106430856A CN201611086485.6A CN201611086485A CN106430856A CN 106430856 A CN106430856 A CN 106430856A CN 201611086485 A CN201611086485 A CN 201611086485A CN 106430856 A CN106430856 A CN 106430856A
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- Prior art keywords
- water
- outlet
- chlorella
- reverse osmosis
- sewage
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- 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.)
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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
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/02—Non-contaminated water, e.g. for industrial water supply
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
Abstract
The invention discloses a chlorella-based sewage treatment device. The chlorella-based sewage treatment device comprises a primary reverse osmosis water purifying device, a concentrate recovering device and a treating pond, wherein the primary reverse osmosis water purifying device comprises a sewage inlet, a pure water outlet and a concentrate outlet; the sewage inlet is connected with a high-pressure pump, and a water inlet of the high-pressure pump is connected with a sewage main; a flow regulating valve I is arranged at the pure water outlet; the concentrate outlet is connected with a concentrate inlet of the concentrate recovering device through a booster pump; the concentrate recovering device comprises a casing and a reverse osmosis membrane arranged in the casing, and the concentrate inlet, a reuse water outlet and a wastewater outlet are formed in the casing respectively; the reuse water outlet is connected with the water inlet of the high-pressure pump through a water return pipeline, a flow regulating valve II is mounted at the wastewater outlet which is connected with the treating pond; a gas outlet is formed in the upper end of the treating pond, and waste gas is exhausted from the gas outlet. The chlorella-based sewage treatment device reduces energy consumption, increases the water utilization rate and has good water saving effect and purifying effect.
Description
Technical field
The present invention relates to sewage-treatment plant, specifically a kind of sewage-treatment plant based on chlorella.
Background technology
It is known that water is Source of life, we be unable to do without water in life, work.The daily water number using of the mankind
Amount is all astronomical figure, using also having discharged number with hundred million tons of various sewage simultaneously, sewage be often referred to necessarily being polluted, be derived from
Life and the discharge water producing；With the quickening of Urbanization in China, at present, the quantity of wastewater effluent of Small Urban accounts for the whole nation
More than half of total amount of sewage discharge, with the fast development built, the discharge capacity of sanitary sewage and industrial wastewater will several times,
Even more than ten times of increase, certainly will aggravate the deterioration of water environment, and the deterioration of water environment can affect industry, agricultural and people's life
With the every field of work, the dirty water decontamination handles reuse and are increasingly subject to people's attention, and various purifiers are also in succession
Occur, and create higher Social benefit and economic benefit, but existing cleaning equipment is mostly mechanical filtration and purifies dress
Put, complex structure, high cost.
Content of the invention
It is an object of the invention to provide a kind of reduce energy consumption, water use efficiency improves, and water-saving result is good, good purification
Based on the sewage-treatment plant of chlorella, to solve the problems, such as to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme：
A kind of sewage-treatment plant based on chlorella, including first-stage reverse osmosis pure water device, concentrated water retracting device and processing pond；
Described first-stage reverse osmosis pure water device includes sewage inlet, pure water outlet and concentrated water outlet；Wherein, sewage inlet is connected with
High-pressure pump, the water inlet of high-pressure pump connects common sewer road；Described pure water outlet is provided with flow control valve；Described concentrated water outlet
Connect the concentrated water entrance of concentrated water retracting device by booster pump；Described concentrated water retracting device includes housing and anti-in housing
Permeable membrane, wherein, housing is respectively equipped with concentrated water entrance, reuse water out and wastewater outlet；Described reuse water out passes through back
Waterpipe connects the water inlet of high-pressure pump, and is provided with flow control valve on wastewater outlet, and wastewater outlet connects processing pond；Described
The upper end of processing pond is provided with gas outlet, and waste gas is discharged by gas outlet；Setting is separated from top to bottom successively in described processing pond
There is bead algae propagation layer, supply oxygen layer and adsorption filtration layer；Wherein, bead algae propagation layer includes activated sludge and chlorella, oxygen supply
It is evenly arranged, in layer, the oxygen bleed line that surface is covered with small venthole, oxygen bleed line passes through giving vent to anger of trachea connecting fan
Mouthful, and check valve is provided with trachea, the gas outlet of blower fan connects the external world；It is provided with drain chamber below adsorption filtration layer, row
Water cavity end is provided with outlet, and outlet is located at the right side bottom of processing pond.
Further：Described flow control valve is ball valve or stop valve.
Further：Described check valve is electric controlled regulating valve.
Compared with prior art, the invention has the beneficial effects as follows：
In the present invention, first-stage reverse osmosis pure water device reverse osmosis isolation output pure water and concentrated water, pure water is discharged through pure water outlet and is made
Based on medical pure water, concentrated water injects concentrated water retracting device in the presence of booster pump, and separates through concentrated water retracting device
After obtain recycle-water and waste water, recycle-water flows to first-stage reverse osmosis pure water device through water return pipeline, in its whole process, reaches
Energy-saving and water-saving purpose, the water quality of the recovery pure water being obtained by concentrated water retracting device is compared with the pure water of first-stage reverse osmosis pure water devices
Water quality inferiority, thus be not suitable for directly using, but tap water after the process for the treatment of nature water device for its water-quality ratio is much better, and will
It is used for improving the influent quality of first-stage reverse osmosis, saves the consumption of raw water simultaneously, and the response rate of raw water can improve, and is ensureing
Accomplish while water quality safety to save water and energy；Meanwhile, equipment control hardly possible, water quality reaching standard hardly possible, operating cost height are efficiently solved
Problem, reduce energy consumption, reduces cost, water use efficiency has brought up to 85-95% from 75%, and water-saving result is good, can be long-term
Keep stablizing of pure water physical and chemical index and microbiological indicator qualified, using safety.
In the present invention, during daylight, blower fan cuts out, and keeps oxygen capacity in processing pond low；During night, open blower fan, lead to
Enter oxygen, keep oxygen capacity in processing pond high；Processing pond is provided with certain water level, starts aerator, opens check valve, gas is by wind
Machine, trachea enter for the oxygen bleed line in oxygen layer, when by bead algae propagation layer, can stir activated sludge and battalion in sewage
Foster material is fully contacted, and now the aerobic microbiological in activated sludge obtains enough oxygen, and aerobic microbiological starts to enliven simultaneously
Digest and assimilate the nutrient substance in sewage, after the nutrient substance such as aerobic microbiological Organic substance in releasing sewage, can be numerous rapidly
Grow the simultaneously nutrient substance such as degradation of organic substances, so that sewage is purified；Meanwhile, by the debris of aerobic degradation, then
When by adsorption filtration layer, can be purified by further adsorption filtration, reach discharge standard, and through drain chamber by outlet
Discharge, wherein, chlorella has good treatment effect to the saline solution of reverse osmosis concentrated liquid.
Present invention research shows：
Under low DO condition, illumination has precedence over no light, and now, the mixed system of chlorella vulgaris and activated sludge is to useless
Water COD, total nitrogen phosphorus removal mainly based on chlorella vulgaris；
Under dark condition, dissolved oxygen concentration is high, and the mixed system of heterotrophic growth chlorella vulgaris and activated sludge is to waste water
COD, the going divided by based on activated sludge of total nitrogen phosphorus；
Meanwhile, exist《Growth in reverse osmosis concentrated liquid for the chlorella and the research to soluble-salt removal》（Xi'an Technology University,
Zhao Lu）In, also can get following achievement in research：
Chlorella the upgrowth situation in reverse osmosis concentrated liquid and its to reverse osmosis concentrated liquid in dissolvable mine material removal
The result of effect shows：
1st, chlorella well can grow in the reverse osmosis concentrated liquid mixed liquor of 0-90% concentration, and reverse osmosis concentrated liquid can conduct
The culture medium of chlorella；Chlorella in the reverse osmosis concentrated liquid mixed liquor for 20-50% for the concentration growth preferably, Biomass is usual
Reach maximum in concentration 30% about then to reduce with the increase of reverse osmosis concentrated liquid concentration；
2nd, 20 DEG C of the accumulation Biomass of the chlorella under different temperatures>10℃>30 DEG C it is clear that at a temperature of 30 DEG C, chlorella
Growth receives certain inhibitory action, and cell growth rate reduces；In addition, I and II processes out water mixed liquid, on digestion reaction
The chlorella of growth in clear liquid mixed liquor, in ratio rate of growth all highests of first day, respectively 0.52/d, 0.49/d and 0.32/
D, in addition, chlorella is to the calcium ion in reverse osmosis concentrated liquid, magnesium ion, sodium ion, potassium ion, sulfate ion and chloride ion
There is different degrees of removal effect Deng dissolvable mine material；
To sum up, the feature that chlorella grows in reverse osmosis concentrated liquid, can effectively remove dissolvable mine material therein, meanwhile,
Chlorella can contain more lipid contents, can achieve the recycling to resource.
Brief description
Fig. 1 is the structural representation of the sewage-treatment plant based on chlorella.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, in the embodiment of the present invention, a kind of sewage-treatment plant based on chlorella, including first-stage reverse osmosis
Pure water device 1, concentrated water retracting device 2 and processing pond 10；Described first-stage reverse osmosis pure water device 1 includes sewage inlet 111, pure
Water out 112 and concentrated water outlet 115；Wherein, sewage inlet 111 is connected with high-pressure pump 113, and the water inlet of high-pressure pump 113 is even
Connect common sewer road 114；Described pure water outlet 112 is provided with flow control valve 3, and flow control valve 3 is ball valve or stop valve；Institute
State the concentrated water entrance 211 that concentrated water outlet 115 connects concentrated water retracting device 2 by booster pump 213；Described concentrated water retracting device 2 wraps
Include housing and the reverse osmosis membrane in housing, wherein, housing is respectively equipped with concentrated water entrance 211, reuse water out 212 and gives up
Water out 215；Described reuse water out 212 connects the water inlet of high-pressure pump 113 by water return pipeline 214, and wastewater outlet 215
On flow control valve 3 is installed, wastewater outlet 215 connects processing pond 10；In work, first-stage reverse osmosis pure water device 1 reverse osmosiss
Separate output pure water and concentrated water, through medical pure water based on pure water outlet 112 discharge, concentrated water is in booster pump 213 for pure water
Effect is lower to inject concentrated water retracting device 2, and obtains recycle-water and waste water after concentrated water retracting device 2 separates, and recycle-water passes through
Water return pipeline 214 flows to first-stage reverse osmosis pure water device 1, in its whole process, has reached energy-saving and water-saving purpose, has been returned by concentrated water
The water quality of the recovery pure water that receiving apparatus 2 obtain is compared with the pure water water quality inferiority of first-stage reverse osmosis pure water device 1, thus is not suitable for directly making
With, but tap water after the process for the treatment of nature water device for its water-quality ratio is much better, uses it for improving first-stage reverse osmosis
Influent quality, saves the consumption of raw water simultaneously, and the response rate of raw water can improve, and has accomplished to save while ensureing water quality safety
Water energy-conservation；Meanwhile, efficiently solve the problems, such as that equipment control is difficult, water quality reaching standard is difficult, operating cost is high, reduce energy consumption, reduce into
This, water use efficiency brought up to 85%～95% about from 75%, and water-saving result is good, can keep pure water physical and chemical index and micro- for a long time
Stablizing of Biological indicators is qualified, using safety；The upper end of described processing pond 10 is provided with gas outlet 9, and waste gas is discharged by gas outlet 9；
Separate successively from top to bottom in described processing pond 10 and be provided with bead algae propagation layer 4, supply oxygen layer 5 and adsorption filtration layer 6；Its
In, bead algae propagation layer 4 includes activated sludge and chlorella, is covered with small venthole for being evenly arranged surface in oxygen layer 5
Oxygen bleed line, oxygen bleed line passes through the gas outlet of trachea 7 connecting fan 8, and is provided with check valve 11, wind on trachea 7
The gas outlet of machine 8 connects extraneous；Described check valve 11 is electric controlled regulating valve, for adjusting air inflow size；In adsorption filtration layer 6
Lower section is provided with drain chamber, and drain chamber end is provided with outlet 12, and outlet 12 is located at the right side bottom of processing pond 10；Work
In, during daylight, blower fan 8 cuts out, and keeps oxygen capacity in processing pond 10 low；During night, open blower fan 8, be passed through oxygen, keep
In processing pond 10, oxygen capacity is high；Processing pond 10 is provided with certain water level, starts aerator 8, opens check valve 11, gas is by blower fan
21st, trachea 7 enters for the oxygen bleed line in oxygen layer 5, when by bead algae propagation layer 4, can stir activated sludge and sewage
Middle nutrient substance is fully contacted, and now the aerobic microbiological in activated sludge obtains enough oxygen, and aerobic microbiological starts to live
Jump and digest and assimilate the nutrient substance in sewage, after the nutrient substance such as aerobic microbiological Organic substance in releasing sewage, can be fast
The nutrient substance such as speed breeding degradation of organic substances, makes sewage be purified；Meanwhile, residual by the Organic substance of aerobic degradation
Slag, then when by adsorption filtration layer 6, can be purified by further adsorption filtration, reach discharge standard, and through drain chamber by
Outlet 12 is discharged, and wherein, chlorella has good treatment effect to the saline solution of reverse osmosis concentrated liquid.
Research shows：
Under low DO condition, illumination has precedence over no light, and now, the mixed system of chlorella vulgaris and activated sludge is to useless
Water COD, total nitrogen phosphorus removal mainly based on chlorella vulgaris；
Under dark condition, dissolved oxygen concentration is high, and the mixed system of heterotrophic growth chlorella vulgaris and activated sludge is to waste water
COD, the going divided by based on activated sludge of total nitrogen phosphorus；
Meanwhile, exist《Growth in reverse osmosis concentrated liquid for the chlorella and the research to soluble-salt removal》（Xi'an Technology University,
Zhao Lu）In, also can get following achievement in research：
Chlorella the upgrowth situation in reverse osmosis concentrated liquid and its to reverse osmosis concentrated liquid in dissolvable mine material removal
The result of effect shows：
3rd, chlorella well can grow in the reverse osmosis concentrated liquid mixed liquor of 0-90% concentration, and reverse osmosis concentrated liquid can conduct
The culture medium of chlorella；Chlorella in the reverse osmosis concentrated liquid mixed liquor for 20-50% for the concentration growth preferably, Biomass is usual
Reach maximum in concentration 30% about then to reduce with the increase of reverse osmosis concentrated liquid concentration；
4th, 20 DEG C of the accumulation Biomass of the chlorella under different temperatures>10℃>30 DEG C it is clear that at a temperature of 30 DEG C, chlorella
Growth receives certain inhibitory action, and cell growth rate reduces；In addition, I and II processes out water mixed liquid, on digestion reaction
The chlorella of growth in clear liquid mixed liquor, in ratio rate of growth all highests of first day, respectively 0.52/d, 0.49/d and 0.32/
D, in addition, chlorella is to the calcium ion in reverse osmosis concentrated liquid, magnesium ion, sodium ion, potassium ion, sulfate ion and chloride ion
There is different degrees of removal effect Deng dissolvable mine material；
To sum up, the feature that chlorella grows in reverse osmosis concentrated liquid, can effectively remove dissolvable mine material therein, meanwhile,
Chlorella can contain more lipid contents, can achieve the recycling to resource.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of the spirit or essential attributes of the present invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (2)
1. a kind of sewage-treatment plant based on chlorella, including first-stage reverse osmosis pure water device（1）, concentrated water retracting device（2）
And processing pond（10）；It is characterized in that, described first-stage reverse osmosis pure water device（1）Including sewage inlet（111）, pure water outlet
（112）With concentrated water outlet（115）；Wherein, sewage inlet（111）It is connected with high-pressure pump（113）, high-pressure pump（113）Water inlet
Mouth connects common sewer road（114）；Described pure water outlet（112）It is provided with flow control valve（3）；Described concentrated water outlet（115）
By booster pump（213）Connect concentrated water retracting device（2）Concentrated water entrance（211）；Described concentrated water retracting device（2）Including housing
With the reverse osmosis membrane in housing, wherein, housing is respectively equipped with concentrated water entrance（211）, reuse water out（212）And waste water
Outlet（215）；Described reuse water out（212）By water return pipeline（214）Connect high-pressure pump（113）Water inlet, and waste water
Outlet（215）On flow control valve is installed（3）, wastewater outlet（215）Connect processing pond（10）；Described processing pond（10）Upper
End is provided with gas outlet（9）, waste gas is by gas outlet（9）Discharge；In described processing pond（10）Inside separate setting from top to bottom successively
There is bead algae propagation layer（4）, supply oxygen layer（5）With adsorption filtration layer（6）；Wherein, bead algae propagation layer（4）Including activated sludge and
Chlorella, for oxygen layer（5）In be evenly arranged the oxygen bleed line that surface is covered with small venthole, oxygen bleed line pass through trachea
（7）Connecting fan（8）Gas outlet, and in trachea（7）It is provided with check valve（11）, blower fan（8）Gas outlet connect extraneous；
In adsorption filtration layer（6）Lower section is provided with drain chamber, and drain chamber end is provided with outlet（12）, described flow control valve（3）For ball
Valve or stop valve, described check valve（11）For electric controlled regulating valve.
2. the sewage-treatment plant based on chlorella according to claim 1 is it is characterised in that outlet（12）It is located at place
Reason pond（10）Right side bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611086485.6A CN106430856A (en) | 2016-12-01 | 2016-12-01 | Chlorella-based sewage treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611086485.6A CN106430856A (en) | 2016-12-01 | 2016-12-01 | Chlorella-based sewage treatment device |
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| CN106430856A true CN106430856A (en) | 2017-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928513A (en) * | 2019-03-29 | 2019-06-25 | 重庆为明清缘环保技术研究院有限公司 | A method of sewage is handled using industrial circulating water system |
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| CN205133199U (en) * | 2015-10-26 | 2016-04-06 | 黄烈成 | Energy -conserving water conservation effluent treatment plant |
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2016
- 2016-12-01 CN CN201611086485.6A patent/CN106430856A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205133199U (en) * | 2015-10-26 | 2016-04-06 | 黄烈成 | Energy -conserving water conservation effluent treatment plant |
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| 王亚飞 等: "固定化小球藻与活性污泥的共生系统", 《环境工程学报》 * |
| 赵璐: "小球藻在反渗透浓缩液中的生长及对可溶性盐去除的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109928513A (en) * | 2019-03-29 | 2019-06-25 | 重庆为明清缘环保技术研究院有限公司 | A method of sewage is handled using industrial circulating water system |
| CN109928513B (en) * | 2019-03-29 | 2022-02-18 | 重庆为明清缘环保技术研究院有限公司 | Method for treating sewage by using industrial circulating water system |
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Application publication date: 20170222 |