CN103951069A - Method for solving wetland clogging problem - Google Patents
Method for solving wetland clogging problem Download PDFInfo
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- CN103951069A CN103951069A CN201410204567.0A CN201410204567A CN103951069A CN 103951069 A CN103951069 A CN 103951069A CN 201410204567 A CN201410204567 A CN 201410204567A CN 103951069 A CN103951069 A CN 103951069A
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- wetland
- stopping
- earthworm
- turns
- holidays
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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
Abstract
The invention discloses a method for solving a wetland clogging problem. The method comprises the following steps: in time, stopping clogged wetlands for one to ten days; in space, connecting multiple groups of wetlands in parallel, and stopping one or more wetlands for one to ten days; adding earthworms in the stopped wetlands so as to increase the permeability coefficient and further relieve the clogging. The method is simple and convenient to operate, capable of solving the wetland clogging problem on site without causing secondary pollution, and overcoming such defects of stopping by turns as long time and poor effect.
Description
Technical field
The invention belongs to protection of natural resources and environment technical field, be specifically related to a kind of method that utilization is had holidays by turns and added earthworm combination measure solution Wetland clogging problem.
Background technology
Obstruction is the Main Bottleneck that artificial swamp is applied.After stopping up, the permeability coefficient of filler sharply reduces, current can not carry out and directly overflow wet land system according to original mode, make wetland can not bring into play due processing capacity, and the long-term ponding on wetland surface has also brought hygienic issues such as mosquitos and flies grows, stench, cause the secondary pollution of environment.
For wet land filler blockage problem, current method is mainly pre-anticlogging generation (patent No.: CN101050027A, CN101708899A, CN1970473A, CN101638264A, CN102126791A, CN101723547A and CN101973632A), for the obvious deficiency of control measures of stopping up after occurring, the soil animal of utilization that only has of report is repaired blocking type drowned flow artificial wet land (patent No.: CN1923728A) at present, but also run into, to add the workload of soil animal large, and while adding, wetland such as can not normally move at the problem.Therefore be necessary to find the method for removing blockage after a kind of efficient solution Wetland clogging occurs.
Summary of the invention
Technical problem to be solved by this invention, is to provide a kind of method of effective solution Wetland clogging problem.
For solving the problems of the technologies described above, the technical solution used in the present invention is as follows:
Solve a method for Wetland clogging problem, on the time, the wetland having stopped up is stopped stopping 1～10 day; On space, several groups of wetland parallel connections, make one or more wetland wherein stop stopping 1～10 day; Stop, in the wetland of stopping, adding earthworm simultaneously, thereby being improved, permeability coefficient alleviates obstruction.
Wherein, stop not time, the frequency of having holidays by turns and determine according to the degree of Wetland clogging, generally select 1 day, 2 days, 3 days or 5 days.
Wherein, the input density of earthworm is 0.2-0.6kg/m
2d.
Wherein, while stopping not finishing, pour water from wetland bottom, utilize douche that earthworm is reclaimed from coming outbreak out in filler.
The inventive method one is temporal combination, exactly the wetland having stopped up is had holidays by turns the different time according to chocking-up degree, essence is to allow wetland certain hour out of service, in out of service, add a certain amount of earthworm, permeability coefficient is improved, alleviate obstruction with this, this kind of method is applicable to the artificial swamp that processing demands amount is little.Concrete steps: first settling time controller between wetland sewage reservoir and water distributor, carry out the operation in period, after, draining out of service Deng wetland is complete, add earthworm (on sale on the earthworm market adding, can directly buy), while adding, can take out some with tweezers and be put into wetland surface, also can be put into wet the earth's surface with directly getting earthworm after hand strap emgloves, approximately wait earthworm after 30-60 minute substantially to pierce wetland.Finally wait and have holidays by turns after end, from the water inlet of wetland bottom, utilize douche to impel earthworm to climb out of wetland, reclaim earthworm.Another kind is the combination on space, be exactly several groups of wetland parallel connections, make the wetland have holidays by turns (wetland of specifically having holidays by turns can be determined according to Wetland clogging and running condition) of operation, on the wetland of having holidays by turns, add earthworm, this kind of method be applicable to processing demands amount stable and also the larger situation of Wetland Area own.Essence is to allow wetland move in shifts, on the wetland of having holidays by turns, adds earthworm, utilizes the Overlay of having holidays by turns and add earthworm to solve the problem of Wetland clogging.And this wetland in shifts can carry out independent assortment according to stopping state and treatment capacity.Concrete steps: first on the water distributor between wetland sewage reservoir and each wetland, water pump is installed, by On/Off water pump, is controlled the operation of concrete wetland; On the wetland that stops fortune, add earthworm exactly subsequently, the method that adds and reclaim earthworm is the same.
The present invention is applicable to the obstruction causing because organic pollution load is excessive, has good remission effect.
Beneficial effect: what oxygen in air was had holidays by turns in process in utilization of the present invention is filled with filler hole, is oxidized the extracellular polymeric of bonding tamper, and polysaccharide content is reduced, and destroys the structure of tamper, reduces the water ratio of tamper; Also make some macromolecular substance oxidations become small-molecule substance simultaneously.In addition, in conjunction with earthworm like getting into the cave perch moist, venting capability good, life habit in the soil of degree of depth 10-20cm, like again organic soil ulmin to accumulate in matrix as food, tamper in minimizing or broken hole, make these tampers can the pore throat from filler hole in along with current flow out, stop up thereby alleviate.The inventive method has the feature of the obstruction of the solution wetland of efficient, easy, the original position of operation and non-secondary pollution.
Brief description of the drawings
Fig. 1 has holidays by turns on the time and adds the wetland that earthworm combines;
On Fig. 2 space, have holidays by turns and add the wetland that earthworm combines;
Fig. 3 artificial swamp model of element.
Embodiment
Embodiment 1:
At the experiment lab simulation plugging removal effect of measure to artificial swamp of having holidays by turns, select 5 artificial wetland unit models (seeing Fig. 3), be called wetland model A, B, C, D and E, each reactor diameter is 30cm, and high is 80cm (being equivalent to intercept taking plant spacing as unit a model of element in whole wetland).Wetland reactor bottom is filled the pebbles supporting layer (d of 10cm
10while being 10% for being less than the grogs weight accumulative total percentage ratio of certain particle diameter, corresponding particle diameter is called effective size of grain; d
10for 0.35mm, nonuniform coefficent Cu is 2.1), supporting layer ensures abundant draining and does not occur ponding situation.Above supporting layer, fill the coarse sand (d of 60cm
10for 0.15mm, nonuniform coefficent Cu is 2.2) as the main matrix of wetland, this is because the especially biological obstruction process of obstruction of wetland is very very long process, in order better to simulate obstruction process at laboratory yardstick, and has adopted coarse sand medium.Water distribution system and water gathering system are all arranged on wetland unit model bottom, and the stromal surface of reactor is all planted cattail.Be 500mg/L in water inlet BOD concentration, hydraulic load is under the condition of 500mm/d, operation 3 months continuously, wetland stops up (osmotic coefficient ratio original state reduces by 3 times) substantially, and occur that impeded drainage surface starts the phenomenon of ponding, now we start to adopt and have holidays by turns and add earthworm combination measure artificial swamp is carried out to de-plugging.Each wetland model of A to E carries out respectively temporal having holidays by turns (parameter of specifically having holidays by turns comprise at every turn stop not time, the interval time of having holidays by turns for twice, the number of times of having holidays by turns), contrasts and optimizes the parameter of having holidays by turns to reach best plugging removal effect.Detailed process is: A is as blank reference, and B only has holidays by turns and do not add earthworm, and the density that C, D and E add earthworm is 0.3kg/m
2d, the time of specifically having holidays by turns and the number of times of other wetland models, the effect of wetland de-plugging is in table 1.
Table 1
Embodiment 2:
For large-area wetland, can adopt the method that solves with the following method Wetland clogging problem, on the time, the wetland having stopped up is stopped stopping 1～10 day; On space, several groups of wetland parallel connections, make one or more wetland wherein stop stopping 1～10 day; Stop stop wetland in, add earthworm simultaneously, the input density of earthworm is 0.2-0.6kg/m
2d, alleviates obstruction thereby permeability coefficient is improved.Stopping not time, the frequency of having holidays by turns determines according to the degree of Wetland clogging.While stopping not finishing, pour water from wetland bottom, utilize douche that earthworm is reclaimed from coming outbreak out in filler.
The invention provides the method that a kind of utilization measure of having holidays by turns solves Wetland clogging; method and the approach of this technical scheme of specific implementation are a lot; the above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.In the present embodiment not clear and definite each integral part all available prior art realized.
Claims (4)
1. a method that solves Wetland clogging problem, is characterized in that, on the time, the wetland having stopped up is stopped stopping 1～10 day; On space, several groups of wetland parallel connections, make one or more wetland wherein stop stopping 1～10 day; Stop, in the wetland of stopping, adding earthworm simultaneously, thereby being improved, permeability coefficient alleviates obstruction.
2. the method for solution Wetland clogging problem according to claim 1, is characterized in that, stops not time, the frequency of having holidays by turns and determines according to the degree of Wetland clogging.
3. the method for solution Wetland clogging problem according to claim 1, is characterized in that, the input density of earthworm is 0.2-0.6kg/m
2d.
4. the method for solution Wetland clogging problem according to claim 1, is characterized in that, while stopping not finishing, pours water from wetland bottom, utilizes douche that earthworm is reclaimed from coming outbreak out in filler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204567.0A CN103951069A (en) | 2014-05-14 | 2014-05-14 | Method for solving wetland clogging problem |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410204567.0A CN103951069A (en) | 2014-05-14 | 2014-05-14 | Method for solving wetland clogging problem |
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| CN103951069A true CN103951069A (en) | 2014-07-30 |
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| CN201410204567.0A Pending CN103951069A (en) | 2014-05-14 | 2014-05-14 | Method for solving wetland clogging problem |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683649A (en) * | 2019-09-25 | 2020-01-14 | 深圳文科园林股份有限公司 | Treatment method for intercepting carbon source of water inlet particles by artificial wetland |
| CN112396939A (en) * | 2020-11-17 | 2021-02-23 | 延安大学 | Simulation device and method for responding to different wetlands by soil animals |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923728A (en) * | 2006-09-07 | 2007-03-07 | 李怀正 | Method of restoring under-current artificial wetland water-percolating capacity by soil animal |
| CN103708671A (en) * | 2012-09-28 | 2014-04-09 | 中国科学院烟台海岸带研究所 | Multi-medium constructed wetland water treatment system and treatment method thereof |
-
2014
- 2014-05-14 CN CN201410204567.0A patent/CN103951069A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1923728A (en) * | 2006-09-07 | 2007-03-07 | 李怀正 | Method of restoring under-current artificial wetland water-percolating capacity by soil animal |
| CN103708671A (en) * | 2012-09-28 | 2014-04-09 | 中国科学院烟台海岸带研究所 | Multi-medium constructed wetland water treatment system and treatment method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110683649A (en) * | 2019-09-25 | 2020-01-14 | 深圳文科园林股份有限公司 | Treatment method for intercepting carbon source of water inlet particles by artificial wetland |
| CN112396939A (en) * | 2020-11-17 | 2021-02-23 | 延安大学 | Simulation device and method for responding to different wetlands by soil animals |
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Application publication date: 20140730 |
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