CN104773813A - In-situ biological strengthening purification method for river and lake water - Google Patents
In-situ biological strengthening purification method for river and lake water Download PDFInfo
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- CN104773813A CN104773813A CN201510129869.0A CN201510129869A CN104773813A CN 104773813 A CN104773813 A CN 104773813A CN 201510129869 A CN201510129869 A CN 201510129869A CN 104773813 A CN104773813 A CN 104773813A
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Abstract
The invention relates to an in-situ biological strengthening purification method for river and lake water. A supporter with a stereostructure shape is disposed at the water body bottom, the supporter sinks to the water bottom and does not have object connection with other object for the purpose of position fixation; and water can go to the inside of the supporter, the supporter can adhere to a flexible carrier, the flexible carrier adapts to adhesion to organisms to form a biological supporter. Under the premise of not influencing river and lake scenery, shipping and other use functions, the flexible carriers on the inner side and outer side of the supporter can provide an enrichment place for original organisms of rivers and lakes, thus strengthening the self cleaning capacity of rivers and lakes. The dendritic structure with certain strength on the supporter improves the stability of the supporter, and when a lot of bottom mud exists, the dendritic structure can be inserted into the river bottom mud, and due to the gravity of the supporter itself, the supporter has no need for fixation, thus avoiding transformation of rivers and lakes, and saving cost. The stereostructure supporter is constructed by supporter processed into a rodlike structure, and the processing and assembly are simple.
Description
Technical field
The present invention relates to the biological attachment carrier with solid space structure that a kind of utilization throws at rivers and lakes bottom carries out strengthening self-purification capacity method to water body, belong to water pollutions restoration of the ecosystem field.Particularly relate to the method for a kind of rivers and lakes purification of water quality.
Background technology
At present, the management intensity to the purification entering river body has been strengthened in domestic and international city, but the effective process being through point source reach emission standard after water enter river or lake after concentrate through pervaporation, be difficult to that the inflow of a small amount of source of pollution avoided and atmospheric falling dust etc. pollute enter the pollution that all can cause river and lake.The simple self-purification capacity by river, lake self fails to reach the target keeping better water quality.Therefore, the long-acting self-purification system of low stain water body must be built, strengthen its self-purification function, to keep the water quality that water body is comparatively good.
In addition, the functions such as river and lake are responsible for water supply, navigate, flood discharge, view, have that flow is large, area be wide, the water-level fluctuation in dry season and rainy season is large etc. feature, therefore the low stain water body self-purification system built meet simple, under the prerequisite of effect lasting claim, also need to possess and do not hinder the feature that its social function, cost are low, have certain impact resistance.
In the rivers and lakes water quality administering method of current use, utilize the ecological treatment method of microorganism and plant to be regarded as comparing the basic skills of adjusted stream lake treatment, but also exist in practical application plant treatment ability weak, plantation limited space, input microorganism be difficult to keep shortcoming; In river the biological fixnig filler of unchangable traditions be then subject to cost high, construct numerous and diverse, affect the restriction of to navigate etc. in river course.
Therefore, invention one does not affect flood passage, view, the water surface are navigated, and the method that low cost, easily construction, manageability, effective river water purify has important practical significance.
Summary of the invention
The present invention relates to the biology in situ intensified purification method of a kind of rivers and lakes water body, the method throws in the biological attachment carrier with solid space structure with direct at rivers and lakes water bottom, owing to carrier being wound with the carrier of better bioaffinity, the original biological adsorption of water body is made to be enriched on carrier, water body can pass through carrier, therefore enhances the self-purification capacity of water body.And this carrier stably can sink to water bottom, neither affects treatment effect, do not affect the functions such as the view of rivers and lakes, shipping yet.
The present invention adopts following technical scheme to realize:
A biology in situ intensified purification method for rivers and lakes water body, arranges the carrier with stereostructural shape in water bottom, carrier is sunken to the water-bed object do not occurred for the purpose of fixed position with other objects and is connected; And water body can pass in and out carrier inside, and carrier shows to adhere to flexible carrier, and flexible carrier adapts to and biological attachment, forms biological carrier.
Described carrier is made up of one or more circular stereorigid skeleton and the flexible carrier be wrapped on stereorigid skeleton.
Described ring-type stereorigid skeleton, by the rod-shaped body of vertical bar shape, to be joined end to end formation ring structure by trunk, is built into the cubical solid space structure of the cylindric or any shape of spherical shape by ring structure; There is the branched structure of the rod-type perpendicular with the main shaft of main body the described rod-shaped body both sides in vertical bar shape.
Its material of the rod-shaped body processed should meet and has certain toughness and hardness, make it under torrent environment, biological carrier still can be made substantially to keep original solid space shape, material also should have certain crooking ability, can by the carrier circlewise that joins end to end after vertical bar sigmoid.Selected work material reply river is no toxic biological, and intensity is high, and material is anti-aging does not leach toxic substance and the performances such as long service life with long period of soaking.
Described flexible carrier, is wound on the branched structure in outside in stereorigid skeleton; The attachment specific surface area that flexible carrier on the carrier of each solid space structure provides for microorganism is greater than 10m
2/ m
3.For the selection of kind of carrier, the microorganism that need should provide according to water quality and the degree for the treatment of determination carrier of process river can bond area, and according to the fluidised form situation such as river, lake selection carrier medium kind.Carrier medium reply river is no toxic biological, easy to be filmed, and it is light to have quality, the performances such as intensity is high, and material is anti-aging, specific surface area is large and less scaling.
Described demersal biological carrier, the carrier that it is characterized in that solid space structure length is in vertical direction between 0.1-1.5m; Gravity is greater than its buoyancy be subject in water; Described carrier has 2 at least with water-bed point of contact, and has at least the projector distance of 2 point of contact in water (flow) direction to be greater than 0.1 with the ratio of the vertical height of solid space structure.
It for making stable the playing a role in water of biological carrier, should ensure that it can be basically stable at the FX in water, not being washed away by torrent etc., so should at least meet above stable condition.
Be described as follows:
The carrier of three-dimensional arrangement is made up of two portions: stereorigid skeleton and flexible carrier.Stereorigid skeleton inner and outer is all processed with the branched structure of the rod-type perpendicular with skeleton, and flexible carrier is wrapped in (Fig. 1) on the branched structure in interior outside.Stereorigid skeleton should at least be made up of with the branched structure be vertically fixed in rod-type in rod-shaped body the rod-shaped body of certain length; When making skeleton, first by the material that there is certain degree of hardness, necessarily plasticity-, density is greater than water, stable in properties, club shaped structure is become after roughing, joined end to end by the trunk of club shaped structure and form ring structure (Fig. 2), be finally built into spherical shape (Fig. 3) or three-dimensional arrangement that is cylindric or other any type of cube structures by multiple ring structure.This club shaped structure is also processed with the branched structure of rod-type.Be wrapped in the place of the flexible carrier on stereorigid skeleton as biological attachment, in river, microorganism, protozoon, metazoan etc. may be there are in its top, therefore its material need meet softness, have comparatively bigger serface, be easy to be wound around, biology is easy to the features such as attachment, stable in properties.And due to biology be the main body of purification, for biology provides larger surface-area effectively can reduce the input number of the carrier of three-dimensional arrangement, therefore when making carrier, the bond area making it on the flexible carrier of winding provide is greater than 500m
2.The kind that flexible carrier can be selected is a lot, meets the concrete technical requirements of this invention, can select hydroformylation polyvinyl silk, polypropylene fibre, has the carbon fiber etc. of good biological affinity.
It is enriched biological three-dimensional carrier, needs biological fully the contacting with current in outside in keeping, therefore, carrier should be current in by dendritic carrier Combined machining process and leaves passage.
Carrier has 2 at least with water-bed point of contact, and has at least the projector distance of 2 point of contact in water (flow) direction to be greater than 0.1 with the ratio of the vertical height of solid space structure.Can ensure that carrier in the form of a ring can overcome the impact of current on its stability like this.The branched structure of carrier on it need have certain hardness, when there is more bed mud river bed, its branched structure can be stablized and is inserted in riverbed bed mud, and relies on the gravity of three-dimensional arrangement carrier self, be stabilized in water bottom, not by the impact of water yield fluctuation, change in flow.Avoid the fixing demand of carrier, reduce the transformation to rivers and lakes and construction cost.
The effect of stereorigid skeleton be for purifying water body biology main attachment place---flexible carrier provides support, and homeostasis can be made to sink to river bed, without the need to artificially separately establishing fixation according to the contact situation etc. of design form as gravity, ring texture, branched structure and skeleton and river bed of himself.All other bound form meeting the technology of the present invention feature all belong to protection content of the present invention.
The invention has the beneficial effects as follows, utilize the carrier directly sinking to the three-dimensional arrangement of water bottom, do not affecting rivers and lakes view, under the prerequisite of the using function such as shipping, by the flexible carrier of both sides inside and outside carrier, for the original biology in rivers and lakes provides the place of enrichment, the self-purification capacity of strengthening rivers and lakes, branched structure due to the some strength on carrier improves the stability of carrier, and when bed mud is more, branched structure can be inserted in the bed mud of river bed, and the gravity of carrier self, without the need to being fixed carrier, avoid the transformation to rivers and lakes, cost-saving.The carrier of three-dimensional arrangement is built by the carrier being processed into club shaped structure, and processing assembling easily.
Accompanying drawing explanation
Fig. 1: the club shaped structure schematic diagram being tied with flexible carrier
Fig. 2: ring structure schematic diagram
Fig. 3: ball-type solid space structural representation
Fig. 4: the biology in situ intensified purification method schematic side view of rivers and lakes water body shown in embodiment 1;
Fig. 5: the biology in situ intensified purification method schematic top plan view of rivers and lakes water body shown in embodiment 1;
Fig. 6: the biology in situ intensified purification method schematic side view of rivers and lakes water body shown in embodiment 2;
Fig. 7: the biology in situ intensified purification method schematic top plan view of rivers and lakes water body shown in embodiment 2;
Fig. 8: the biology in situ intensified purification method schematic side view of rivers and lakes water body shown in embodiment 3;
Fig. 9: the biology in situ intensified purification method schematic top plan view of rivers and lakes water body shown in embodiment 3;
Wherein:
1-stereorigid skeleton, 2-branched structure, 3-hydroformylation vinylon fibre, 4-carbon fiber, 5-polypropylene fibre.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail:
Embodiment 1
The biology in situ intensified purification method of rivers and lakes water body as shown in Figures 4 and 5, present method take biological contact oxidation process as principle, to throw in the cylindric carrier with three-dimensional arrangement at water bottom, inside and outside carrier both sides club shaped structure on be wound around soft easy to be filmed carrier, carrier forms microbial film, river turnover carrier process in, microbial film absorption degradation river water pollutant, purifying river lake water quality.
Be described as follows: at unhurried current type lake waters, its water-quality guideline is five class water quality, and average depth is 3m, and by monitoring the content situation of its lake water dissolved oxygen along the depth of water, the present embodiment does not adopt artificial aeration mode.The parallel biological carrier (the only biological carrier of schematical sections in Figure 4 and 5, non-schematical sections with schematical sections is identical) having thrown in eight groups of identical solid space structures of certain area in lake.The length that first the stereorigid skeleton (1) of this carrier is gone out by machine tooling is 5m, transverse cross-sectional shape is major axis is 15cm, the vertical bar club shaped structure of the long Filled Ellipse for 3cm of minor axis, and club shaped structure having long is 30cm, diameter is the cylindric branch of 1cm, and material is low pressure polyethylene.After form ring texture (see Fig. 2) by curving through to join end to end in the club shaped structure of vertical bar, then be fixed on the hard skeleton of identical strip of 3m*0.2m*0.2m with 5 ring-type carriers by interval 0.5m, form the column carrier that has clearance space.The branched structure (2) of each carrier is wound around hydroformylation vinylon fibre (3), 50g altogether, and total effectively bond area is about 1000m
2.The carrier often organizing solid space structure is spaced apart 2m.Column carrier is directly sunken to lakebed, without the need to artificial fixing device for installing.Through the water quality monitoring (WQM) of month, find that this lake water quality remains on four class water quality levels substantially.
Embodiment 2
The biology in situ intensified purification method of rivers and lakes water body as shown in Figures 6 and 7, present method is substantially the same manner as Example 1, and difference is that the formed shape of biological carrier is different from arrangement form.
The parallel biological carrier having thrown in ten groups of solid space structures of certain area in lake.The ring-type carrier of the stereorigid skeleton (1) of this carrier is all identical with embodiment 1, then with 4 ring-type carriers by being fixed on the hard skeleton of the strip of two pieces of 0.5m*0.2m*0.2m, form the round shape carrier that has clearance space.Branched structure (2) top is wound with the carbon fiber (4) of common 40g, and total effectively bond area is about 900m
2.The carrier often organizing solid space structure is spaced apart 2m.Round shape carrier is directly sunken to lakebed, without the need to artificial fixing device for installing.Through the water quality monitoring (WQM) of month, find that this lake water quality remains on four class water quality levels substantially.
Embodiment 3
The biology in situ intensified purification method of rivers and lakes water body as shown in FIG. 8 and 9, present method is substantially the same manner as Example 1, and difference is that the formed shape of biological carrier is different from arrangement form.
The parallel biological carrier having thrown in ten groups of solid space structures of certain area in lake.The ring-type carrier of the stereorigid skeleton (1) of this carrier is identical with embodiment 1, then with 4 ring-type carriers by being fixed on the hard skeleton of the strip of one piece of 0.5m*0.2m*0.2m, form the carrier that has clearance space.Branched structure (2) top is wound with the polypropylene fibre (5) of common 50g, and total effectively bond area is about 1000m
2.The carrier often organizing solid space structure is spaced apart 2m.Carrier is directly sunken to lakebed, without the need to artificial fixing device for installing.Through the water quality monitoring (WQM) of month, find that this lake water quality remains on four class water quality levels substantially.
Claims (5)
1. a biology in situ intensified purification method for rivers and lakes water body, is characterized in that arranging the carrier with stereostructural shape in water bottom, and carrier is sunken to the water-bed object do not occurred for the purpose of fixed position with other objects and is connected; And water body can pass in and out carrier inside, and carrier shows to adhere to flexible carrier, and flexible carrier adapts to and biological attachment, forms biological carrier.
2. the method for claim 1, is characterized in that described carrier, is made up of one or more circular stereorigid skeleton and the flexible carrier be wrapped on stereorigid skeleton.
3. method as claimed in claim 2, it is characterized in that described ring-type stereorigid skeleton, by in the rod-shaped body of vertical bar shape, to be joined end to end formation ring structure by trunk, be built into the cubical solid space structure of the cylindric or any shape of spherical shape by ring structure; There is the branched structure of the rod-type perpendicular with the main shaft of main body the described rod-shaped body both sides in vertical bar shape.
4. method as claimed in claim 2, is characterized in that described flexible carrier, is wound on the branched structure in outside in stereorigid skeleton; The attachment specific surface area that flexible carrier on the carrier of each solid space structure provides for microorganism is greater than 10m
2/ m
3.
5. the method for claim 1, is characterized in that described demersal biological carrier, and the carrier that it is characterized in that solid space structure length is in vertical direction between 0.1-1.5m; Gravity is greater than its buoyancy be subject in water; Described carrier has 2 at least with water-bed point of contact, and has at least the projector distance of 2 point of contact in water (flow) direction to be greater than 0.1 with the ratio of the vertical height of solid space structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129869.0A CN104773813B (en) | 2015-03-24 | 2015-03-24 | A kind of biology in situ intensified purification method of rivers and lakes water body |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510129869.0A CN104773813B (en) | 2015-03-24 | 2015-03-24 | A kind of biology in situ intensified purification method of rivers and lakes water body |
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|---|---|
| CN104773813A true CN104773813A (en) | 2015-07-15 |
| CN104773813B CN104773813B (en) | 2017-06-06 |
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