CN101913697A - Natural reoxygenation biomembrane reaction device and water body in-situ remediation method thereof - Google Patents
Natural reoxygenation biomembrane reaction device and water body in-situ remediation method thereof Download PDFInfo
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- CN101913697A CN101913697A CN2010102118917A CN201010211891A CN101913697A CN 101913697 A CN101913697 A CN 101913697A CN 2010102118917 A CN2010102118917 A CN 2010102118917A CN 201010211891 A CN201010211891 A CN 201010211891A CN 101913697 A CN101913697 A CN 101913697A
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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
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses a natural reoxygenation biomembrane reaction device for the remediation of surface water and a water body in-situ remediation method thereof. The device comprises a reaction device bracket, a water-proof ventilated membrane, a filler, a counter weight and a connecting piece, wherein the reaction device bracket consists of a central bracket, a filler bracket and a protective bracket; the water-proof ventilated membrane is coated outside the central bracket; the filler is hung outside the water-proof ventilated membrane; and the bottom center of the reaction device is provided with the counter weight while the top center is provided with the connecting piece. The reaction device can be directly submerged in water, performs reoxygenation naturally while running, can effectively improve water quality and is suitable for repairing micro-polluted and slightly-polluted water bodies.
Description
Technical field
The present invention relates to a kind of technology of biological membrane and reaction unit thereof that the polluted surface water microorganism is repaired that be used for.
Background technology
Along with expanding economy, the direct or discharging that exceeds standard of many factory effluents and sanitary sewage causes the pollution of surface water.Cause that the topmost pollutent of water pollution is organism and nutritive substances such as nitrogen, phosphorus.Absorbed by the microbiological degradation in the water after can biochemical organism entering water body, the dissolved oxygen in the consume water.After nutritive substance such as nitrogen, phosphorus enters water body, can cause algal bloom.At night, respiration of algae and the Decomposition of dead algae will consume oxygen.After dissolved oxygen is reduced to a certain degree, will influence hydrobiological existence.After dissolved oxygen exhausted, water body will smelly blackening.Therefore, repair contaminated surface water, key is that Xiang Shuizhong provides oxygen, organism in the degradation water and nutritive substances such as nitrogen, phosphorus.
At present, mainly containing physics repairing method, chemical repairing method, biological restoration method and restoration of the ecosystem method aspect the polluted surface water body recovery technique.It is simple and be convenient to advantage such as application that biological restoration has low investment, high benefit, bookkeeping, and development potentiality is huge.The biopurification technology of domestic use mainly contains throws bacterium technology, technology of biological membrane and water reoxygenation aeration process.In recent years, people are incorporated into technology of biological membrane in the biological restoration of polluted surface water, have obtained significant effect.Biomembrance process is to make microorganism growth and breeding on carrier surface, by to the absorption of organic nutrient substance, oxygen to the diffusion of microbial film inside and the effects such as bio-oxidation that in film, taken place, pollutent is decomposed.It has the detergent power height, and certain nitrification function and characteristics such as the anti-water yield, variation water quality are arranged.
(patent No. is Chinese invention patent: ZL200310103050.4) disclose a kind of level rotary flow suspending carrier biofilm reactor and water body in-situ restoration method thereof.This biofilm reactor is made up of reactor body, water inlet feedway and helping air supply system, depth-width ratio is 0.5: 1～2.5: 1, set up flow apron at reactor four jiaos, its aerator is arranged in a side of reactor bottom, the water inlet feedway can be arranged with the reactor body branch, also can be processed into integral type, as the mud-water separation district, and the stacking volume that adds carrier granule accounts for 40～70% of reactor volume with flow apron and the formed groove of reactor one side upper wall surface.This biofilm reactor has Stability Analysis of Structures, convenient operation and control, organic pollutant and ammonia nitrogen removal frank than advantages such as height.But there is following deficiency in this reactor: 1. owing to be provided with into water feedway and helping air supply system, structure more complicated; 2. when mud reach mud-water separation district cumulative volume 1/3～1/2 the time need spoil disposal, bookkeeping relatively bothers; 3. need with water pump former water to be fed reactor, and need to use the air pump aeration, working cost is higher.
Summary of the invention
At the existing in prior technology deficiency, the purpose of this invention is to provide a kind of method and reaction unit that polluted surface water body original position is repaired that be used for, it does not need to be provided with water feed apparatus, does not need spoil disposal and aeration during operation yet.
The objective of the invention is to be achieved through the following technical solutions:
A kind of natural reaeration biomembrane reaction apparatus comprises reaction unit support, waterproof ventilated membrane, filler, counterweight and web member.The reaction unit support is made up of center bearing bracket, filler support and protective cradle.Coated outside waterproof ventilated membrane at center bearing bracket.At waterproof ventilated membrane outside hanging filler.Bottom centre at reaction unit is provided with counterweight, in the top center of reaction unit web member is set.
The present invention also provides a kind of method of utilizing above-mentioned reaction unit that water body in-situ is repaired, comprises the steps:
(1) arrange reaction unit: stay cord or support are set on the water surface, reaction unit is immersed in the water, be fixed on stay cord or the support by web member, the up-down adjustment web member makes the water surface apart from reaction unit top 5～10cm.
(2) biofilm: be under 10～30 ℃ the condition, generally about 1 month, to form active biological film in temperature at filling surface.If indigenous microorganism is less or also can adopt inoculation membrane formation start time for shortening reaction unit in the former water.
(3) operation: can repair water body efficiently, constantly after the biofilm success, but should regulate web member to prevent water and overflow in the air column or filler surfaces according to the variation of the water surface.
The present invention compared with prior art has following advantage and high-lighting effect: reaction unit of the present invention can directly be immersed in the water, does not have water-in and water-out and mud discharging device, and is simple in structure, invests low; This reaction unit does not need to use water pump and air pump, and noiseless during operation safeguards that simply working cost is low; This reaction unit can be reused, and does not need to change filler, can effectively improve water quality, is applicable to the water body reparation of little pollution, slight pollution.
Description of drawings
Fig. 1 is the longitudinal section synoptic diagram of natural reaeration biomembrane reaction apparatus provided by the invention.
Fig. 2 is that A among Fig. 1 is to view.
The longitudinal section synoptic diagram that Fig. 3 arranges for reaction unit.
Fig. 4 is that A among Fig. 3 is to view.
Among the figure, 1, center bearing bracket, 2, filler support, 3, protective cradle, 4, waterproof ventilated membrane, 5, filler, 6, counterweight, 7, web member, 8, stay cord.
Embodiment
For clearly demonstrating the technical characterstic of this programme,, and, this programme is set forth in conjunction with its accompanying drawing below by embodiment.
See figures.1.and.2, natural reaeration biomembrane reaction apparatus provided by the invention is made up of reaction unit support, waterproof ventilated membrane 4, filler 5, counterweight 6 and web member 7.The reaction unit support is made up of center bearing bracket 1, top and bottom filling support 2 and protective cradle 3.Top and bottom level at reaction unit are provided with filler support 2, and protective cradle 3 vertically is set around reaction unit.The top of center bearing bracket 1 is connected with the inner end of top filler support 2.Protective cradle 3 is connected with the outer end of top, bottom filling support 2.Coated outside waterproof ventilated membrane 4 at center bearing bracket 1.Hanging filler 5 in the space that waterproof ventilated membrane 4, protective cradle 3, top and bottom filling support 2 surround.In the bottom of reaction unit counterweight 6 is set, web member 7 is set at the top.
The each several part role is in the reaction unit: center bearing bracket 1 is used to support the hydraulic pressure that waterproof ventilated membrane 4 is born; filler support 2 is used for fixing, hanging filler 5, and protective cradle 3 is used for protecting filler 5 and the waterproof ventilated membrane 4 can be by the destructions such as floating matter of water.Waterproof ventilated membrane 4 can allow oxygen see through film and enter water body inside water resistance every in the film outside.Counterweight 6 makes the gravity of reaction unit be slightly larger than buoyancy, and even the reaction unit run-off the straight under the effect of gravity, still can be got back to the vertical position, can not turn on one's side below the centre of buoyancy in the position of center of gravity; Web member 7 is suspended on reaction unit on the stay cord or support that is arranged on the water surface, guarantees that reaction unit can be immersed in the water, and web member can up-down adjustment, to change the reaction unit buried degree of depth.
The principle of this reaction unit is: adopt the biology in situ reparation, reaction unit is immersed in the polluted water body, form the air column that gos deep into water body by center bearing bracket 1 and waterproof ventilated membrane 4, air column stretches out the water surface and atmosphere communicates, and oxygen sees through waterproof ventilated membrane and enters water body inside.The acting in conjunction of the water surface and waterproof ventilated membrane has formed the effect of stereo natural reoxygenation, has greatly improved transfer rate and the transmission capacity of oxygen in water.Original inhabitants in the water or microbe inoculation are adsorbed on the filler 5, and they utilize the oxygen katabolism organism in the water to obtain energy, and utilize nutritive substance synthetic cells such as nitrogen, phosphorus, are implemented in the growth and breeding on the filler, form microbial film.After microbial film forms, rely on absorption and biochemical action, water pollutant is removed.
With reference to Fig. 3 and Fig. 4, working process of the present invention is as follows: (1) arranges reaction unit: stay cord 8 or support are set on the water surface, reaction unit is immersed in the water, be fixed on stay cord 8 or the support by web member 7, up-down adjustment web member 7 makes the water surface apart from reaction unit top 5～10cm, and the spacing of stay cord 8 and reaction unit is by water quality situation and the decision of water body functions of use.(2) biofilm: be under 10～30 ℃ the condition, generally about 1 month, to form active biological film in temperature at filling surface.If indigenous microorganism is less or also can adopt inoculation membrane formation start time for shortening reaction unit in the former water.(3) operation: can repair water body efficiently, constantly after the biofilm success, but should regulate web member 7 to prevent water and overflow in the air column or filler 5 surfaces according to the variation of the water surface.
Reaction unit of the present invention can directly be immersed in the water, does not have water-in and water-out and mud discharging device, and is simple in structure, invests low; This reaction unit does not need to use water pump and air pump, and noiseless during operation safeguards that simply working cost is low; This reaction unit can be reused, and does not need to change filler, can effectively improve water quality, is applicable to the water body reparation of little pollution, slight pollution.
Claims (7)
1. a natural reaeration biomembrane reaction apparatus is characterized in that: comprise reaction unit support, waterproof ventilated membrane, filler, counterweight and web member.
2. according to right 1 desired natural reaeration biomembrane reaction apparatus; it is characterized in that: the reaction unit support is made up of center bearing bracket, filler support and protective cradle; top and bottom level at reaction unit are provided with filler support; protective cradle vertically is set around reaction unit; the top of center bearing bracket is connected with the inner end of top filler support, and protective cradle is connected with the outer end of top, bottom filling support.
3. according to right 1 desired natural reaeration biomembrane reaction apparatus, it is characterized in that: at the coated outside waterproof ventilated membrane of center bearing bracket.
4. according to right 1 desired natural reaeration biomembrane reaction apparatus, it is characterized in that: hanging filler in the space that waterproof ventilated membrane, top and bottom filling support, protective cradle surround.
5. according to right 1 desired natural reaeration biomembrane reaction apparatus, it is characterized in that: bottom centre is provided with counterweight at reaction unit.
6. according to right 1 desired natural reaeration biomembrane reaction apparatus, it is characterized in that: web member is set in the reaction unit top center.
7. one kind is utilized reaction unit as claimed in claim 1 that water body is carried out the method that original position is repaired, and it is characterized in that this method comprises the steps:
(1) arrange reaction unit: stay cord or support are set on the water surface, reaction unit is immersed in the water, be fixed on stay cord or the support by web member, the water surface is apart from reaction unit top 5～10cm.
(2) biofilm: be under 10～30 ℃ the condition, generally about 1 month, can finish biofilm in temperature.
(3) operation: can repair water body efficiently, constantly after the biofilm success, but should regulate web member to prevent water and overflow in the air column or filler surfaces according to the variation of the water surface.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010102118917A CN101913697A (en) | 2010-06-28 | 2010-06-28 | Natural reoxygenation biomembrane reaction device and water body in-situ remediation method thereof |
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| CN2010102118917A CN101913697A (en) | 2010-06-28 | 2010-06-28 | Natural reoxygenation biomembrane reaction device and water body in-situ remediation method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583778A (en) * | 2012-03-04 | 2012-07-18 | 北京博汇特环保科技有限公司 | Aeration-forced river channel purification plant |
| CN104150582A (en) * | 2014-08-19 | 2014-11-19 | 中国建筑设计研究院 | Modularized energy-saving spatial formula sewage treatment device and system thereof used for multi-floor buildings |
| CN104402112A (en) * | 2014-11-10 | 2015-03-11 | 温州医科大学 | Material-filled cylinder for water in-situ purification and construction method thereof |
| CN104496010A (en) * | 2014-11-30 | 2015-04-08 | 陈伟群 | Bionic filler fixing device |
| CN107381797A (en) * | 2017-09-11 | 2017-11-24 | 林朝辉 | A kind of sewage purification oxidation pool structure |
| CN107986457A (en) * | 2018-01-10 | 2018-05-04 | 河海大学 | A kind of differential suspension formula water body in-situ dirty device only |
| CN110482710A (en) * | 2019-05-30 | 2019-11-22 | 江苏滤盾膜科技有限公司 | A kind of sewage treatment microbial film coupling carrier |
| CN112125413A (en) * | 2020-09-02 | 2020-12-25 | 浙江万里学院 | Portable underwater deep aerator with denitrification and dephosphorization functions |
| CN113716800A (en) * | 2021-08-30 | 2021-11-30 | 长沙工研院环保有限公司 | Unpowered biofiltration reactor |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102583778A (en) * | 2012-03-04 | 2012-07-18 | 北京博汇特环保科技有限公司 | Aeration-forced river channel purification plant |
| CN104150582A (en) * | 2014-08-19 | 2014-11-19 | 中国建筑设计研究院 | Modularized energy-saving spatial formula sewage treatment device and system thereof used for multi-floor buildings |
| CN104150582B (en) * | 2014-08-19 | 2016-04-27 | 中国建筑设计院有限公司 | The energy-conservation three-dimensional waste disposal plant of modularization for many floors building and system |
| CN104402112A (en) * | 2014-11-10 | 2015-03-11 | 温州医科大学 | Material-filled cylinder for water in-situ purification and construction method thereof |
| CN104496010A (en) * | 2014-11-30 | 2015-04-08 | 陈伟群 | Bionic filler fixing device |
| CN107381797A (en) * | 2017-09-11 | 2017-11-24 | 林朝辉 | A kind of sewage purification oxidation pool structure |
| CN107986457A (en) * | 2018-01-10 | 2018-05-04 | 河海大学 | A kind of differential suspension formula water body in-situ dirty device only |
| CN107986457B (en) * | 2018-01-10 | 2021-05-28 | 河海大学 | Layered suspension type water body in-situ sewage purification device |
| CN110482710A (en) * | 2019-05-30 | 2019-11-22 | 江苏滤盾膜科技有限公司 | A kind of sewage treatment microbial film coupling carrier |
| CN112125413A (en) * | 2020-09-02 | 2020-12-25 | 浙江万里学院 | Portable underwater deep aerator with denitrification and dephosphorization functions |
| CN112125413B (en) * | 2020-09-02 | 2022-11-01 | 浙江万里学院 | Portable underwater deep aerator with denitrification and dephosphorization functions |
| CN113716800A (en) * | 2021-08-30 | 2021-11-30 | 长沙工研院环保有限公司 | Unpowered biofiltration reactor |
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