CN113277624B - Biological filter dam based on oyster shell - Google Patents
Biological filter dam based on oyster shell Download PDFInfo
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- CN113277624B CN113277624B CN202110591095.9A CN202110591095A CN113277624B CN 113277624 B CN113277624 B CN 113277624B CN 202110591095 A CN202110591095 A CN 202110591095A CN 113277624 B CN113277624 B CN 113277624B
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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
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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
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Environmental & Geological Engineering (AREA)
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Abstract
The invention discloses a biological filter dam based on oyster shells, which comprises a plurality of filter dams positioned between two banks, wherein each filter dam comprises a base and two aquatic vegetation layers, the middle part of the base is provided with a blocking dam, the two sides of the blocking dam on the base are provided with filter materials with a multilayer structure, one side of each filter material, which is far away from the base, is connected with the aquatic vegetation layers, and the top end of the blocking dam is provided with a hanging ring which is convenient to be matched with a crane. The invention has the following advantages and effects: the filtering dam is convenient for adjusting the purification position, thereby meeting the requirement of adjusting the purification position of a river channel or a culture pond at different stages.
Description
Technical Field
The invention relates to river environment protection, in particular to a biological filter dam based on oyster shells.
Background
The biological filter dam is an ecological purification technology which adopts biological filler as a matrix, artificially builds a dam body in polluted water, then plants with purification effect are planted, and the rapid infiltration principle and the artificial wetland principle are combined to carry out in-situ remediation on pollution. The ecological filter dam can be applied to treating non-point source pollution, promotes pollutants in water to settle by forming a buffer zone, and simultaneously utilizes salt-tolerant plants, algae, bacteria and the like to further absorb and adsorb nutritive salt so as to improve water quality.
The existing filtering dam uses biological filler as a matrix and is built manually in a water body. Once the dam body is built, the dam body is not convenient to move, so that the position of the dam body is not easy to adjust, and the purification position of the filter dam is not easy to replace, and the improvement is needed.
Disclosure of Invention
The invention aims to provide a biological filter dam based on oyster shells, which is convenient for adjusting the purification position of the biological filter dam, thereby meeting the requirement of adjusting the purification position of a river or an aquaculture pond at different stages.
The technical purpose of the invention is realized by the following technical scheme: the biological filter dam based on the oyster shells comprises a plurality of filter dams located between two banks, each filter dam comprises a base and two aquatic vegetation layers, a blocking dam is arranged in the middle of the base, filter materials of a multilayer structure are arranged on the two sides of the blocking dam of the base, one side, far away from the base, of each filter material is connected with the aquatic vegetation layers, and a hanging ring convenient to match with a crane is arranged at the top end of the blocking dam.
The invention is further configured as follows: the filter material body includes from last first oyster shell layer, microbial packing layer, second oyster shell layer and the stone layer that sets gradually down.
The invention is further configured as follows: each first oyster shell layer, microbial packing layer, second oyster shell layer and building stones in situ all include a plurality of fill packs of built-in corresponding filler, every fill pack be can carry out the plastic layer that the cladding is carried out to the filler, every all be provided with netted hole on the plastic layer, netted hole size is less than the filler.
The invention is further configured as follows: every all be provided with two jacks and two intubate on the filler package, every intubate on the filler package all can be pegged graft with the jack on another filler package, the intubate surface is the mat surface, be provided with the cavity in the intubate, the cavity intubate is filled with and meets water expandable filler.
The invention is further configured as follows: every all be provided with the soft rubber layer of meeting water inflation on one side that aquatic vegetable layer is close to the filter element body, the clearance is provided with a plurality of counterweight plate on the soft rubber layer, an organic whole is provided with and is located the connecting axle of keeping away from counterweight plate one side on the soft rubber layer, and the connecting axle is kept away from the one end an organic whole on soft rubber layer and is provided with the ascending sleeve spindle of vertical side, the sleeve spindle internal and external surface respectively with the intubate on a filler package and the jack joint of another filler package, still be provided with on the soft rubber layer with intubate interference fit's connecting hole.
The invention is further provided with: and one side of each aquatic vegetable layer, which is far away from the filter body, is provided with a flow guide lug.
The invention is further provided with: the microbial filler layer comprises a microbial filler and microbes put in the microbial filler.
The invention is further provided with: the aquatic vegetation layer comprises a plurality of perforated bricks which are built mutually, and the aquatic plants are planted in the perforated bricks.
The invention is further provided with: the utility model discloses a dam, including dam and floating plate, it is provided with the dam that blocks, it is provided with the dam and blocks dam, it is hollow setting to block the dam, it wears to be equipped with the floating plate that meets water and can come-up to block the dam, the top and the rings fixed connection of floating plate, the one end that rings were kept away from to the floating plate is provided with first stopper, the top of blocking the dam be provided with can with first stopper matched with second stopper, second stopper and the integrative setting of blocking the dam, it has the clearance that can supply rivers to pass through to block between dam and the floating plate.
The invention is further configured as follows: the one end of kickboard is provided with the flotation platform that meets water and can float in the top of barricade, be provided with the force pump on the flotation platform, be connected with the conveyer pipe that is used for transmitting the fluidic on the force pump output, the conveyer pipe passes and stretches into in the base and lay along the base bottom behind the barricade lateral wall, the conveyer pipe.
In conclusion, the invention has the following beneficial effects: the utility model provides a biological filter dam cooperatees through rings and crane in the river course or the aquaculture pond that normally flow, and then can directly put into river course or aquaculture pond, can change the purification position simultaneously at any time to satisfy the purification position adjustment demand in different stages. In addition, the flow velocity of water is controlled by the blocking dam, so that the water level at the upstream rises to a certain degree and flows towards the downstream beyond the filtering dam, the retention time of water flow is prolonged, and pollutants in water are reduced under the actions of physical sedimentation, natural degradation and aquatic organism absorption. In addition, the filtering dam also has the function of purifying water quality, and a plurality of microorganisms grow in the filtering body, and the microorganisms utilize nutrient substances in sewage to survive and breed, so that the water quality is purified.
Drawings
FIG. 1 is a schematic structural diagram of the first embodiment;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view showing a connection structure between the packing and the soft rubber layer according to the present invention;
FIG. 4 is a schematic view of the connection between the fill pack and the delivery tube of the present invention;
fig. 5 is an enlarged view of a in fig. 2.
Reference numerals: 1. a bank; 2. a base; 3. an aquatic vegetation layer; 4. blocking the dam; 5. a filter body; 6. A hoisting ring; 7. primary filtering dams; 8. secondary filtering dams; 9. a third-stage filtering dam; 10. a first oyster shell layer; 11. a microbial filler layer; 12. a second oyster shell layer; 13. a stone layer; 14. a floating plate; 15. a first stopper; 16. A second limiting block; 17. a filling bag; 18. a jack; 19. inserting a tube; 20. a soft rubber layer; 21. a counterweight plate; 22. a connecting shaft; 23. a sleeve shaft; 24. connecting holes; 28. a diversion bump; 31. a floating platform; 32. a pressure pump; 33. a delivery pipe; 34. and (4) dividing a pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-5, an oyster shell-based biological filter dam comprises a plurality of filter dams between two banks 1, each filter dam comprises a base 2 and two aquatic vegetation layers 3, a blocking dam 4 is arranged in the middle of the base 2, filter media 5 with a multilayer structure are arranged on both sides of the blocking dam 4 of the base 2, and microorganisms can grow in the filter media 5. The side of each filter body 5 remote from the base 2 is connected to the aquatic vegetation layer 3. The top end of the blocking dam 4 is provided with a hanging ring 6 which is convenient to be matched with a crane.
Specifically, embankment 1 in this application can be river course both sides, also can be the both sides in breed aquatics pond.
The application discloses biological filter dam cooperatees through rings 6 and crane in the river course or aquaculture pond that normally flow, and then can directly put into river course or aquaculture pond, can change the purification position simultaneously at any time to satisfy the purification position adjustment demand in different stages. In addition, the flow velocity of water is controlled by the blocking dam 4, so that the upstream water level rises to a certain extent and flows towards the downstream beyond the filtering dam, the retention time of water flow is prolonged, and pollutants in water are reduced under the actions of physical sedimentation, natural degradation and aquatic organism absorption. In addition, the filter dam has the function of purifying water, and a plurality of microorganisms grow in the filter body 5, and the microorganisms live and breed by utilizing nutrient substances in the sewage, so that the water quality is purified.
Furthermore, the cross section of each filter dam is trapezoidal.
Further, the base 2 and the dam 4 are both made of concrete and are arranged in a 'seam' shape.
Furthermore, the filtering dams comprise a primary filtering dam 7 close to the upstream side, a secondary filtering dam 8 close to the midstream side and a tertiary filtering dam 9 close to the downstream side. Thereby play multichannel checkpoint through setting up multistage filtering dam for block rivers, strengthen the dwell time of rivers, further improvement is to the purification efficiency of quality of water.
Furthermore, each filter body 5 comprises a first oyster shell layer 10, a microbial packing layer 11, a second oyster shell layer 12 and a stone layer 13 which are sequentially arranged from top to bottom.
By laying the stone layer 13 at the very bottom, as a "bedding", in particular cobblestones or broken stones can be applied. The stability of the dam body can be enhanced.
The oyster shells in the first oyster shell 10 and the second oyster shell 12 have natural structures and are rich in pores, and the natural filtering materials can be used.
Furthermore, a plurality of filling bags 17 with corresponding fillers are arranged in the first oyster shell layer 10, the microbial filler layer 11, the second oyster shell layer 12 and the stone layer 13, each filling bag 17 is a plastic layer capable of coating the fillers, and each plastic layer is provided with a mesh hole, wherein the size of the mesh hole is smaller than that of the fillers.
Through pack into various filler in the filler package 17, only need place corresponding filler package 17 in each in situ alright realize the assembly fast, be provided with the mesh hole that the size is less than the filler on filler package 17, keep the circulation contact between filler and the rivers when avoiding the filler to leak outward, realize purifying the purpose.
In addition, prior art uses oyster shell as biofilm carrier, often can regard oyster shell bagging-off as biofilm carrier, but the sharp pocket of breaing of casing appears often, leads to oyster shell to scatter in the water, difficult clearance scheduling problem. And this application packs oyster shell through the filler package 17 that plastics made, need not the bagging-off to guarantee fully to contact with the water.
Further, each filler bag 17 is provided with two insertion holes 18 and two insertion tubes 19, specifically: the receptacle 18 and the cannula 19 are disposed on either side of the fill pack 17, as shown, for example, in fig. 3.
The inserting tube 19 on each filling bag 17 can be inserted into the inserting hole 18 on the other filling bag 17, the outer surface of the inserting tube 19 is a rough surface, a cavity is arranged in the inserting tube 19, and water-swellable filler is filled in the cavity.
Realize the connection between each filler bag 17 through the cooperation between intubate 19 and jack 18, the cavity is provided with the filler of meeting water inflation in the intubate 19, places the dam body after, and the filler meets water inflation and realizes consolidating, further strengthens the joint strength between the filler bag 17, improves the stability of using.
Furthermore, a water-swelling soft rubber layer 20 is arranged on one side of each aquatic vegetable layer 3 close to the filter body 5, a plurality of weight plates 21 are arranged on the soft rubber layer 20 at intervals, and the weight plates 21 can improve the overall weight of the soft rubber layer 20, so that the stability is improved. The soft rubber layer 20 is integrally provided with a connecting shaft 22 located on one side far away from the counterweight plate 21, one end of the connecting shaft 22 far away from the soft rubber layer 20 is integrally provided with a sleeve shaft 23 in the vertical direction, the inner surface and the outer surface of the sleeve shaft 23 are respectively clamped with the insertion tube 19 on one filling material bag 17 and the insertion hole 18 of the other filling material bag 17, and the soft rubber layer 20 is further provided with a connecting hole 24 in interference fit with the insertion tube 17.
Be provided with sleeve 23 and the connecting axle 22 of connecting sleeve 23 on soft rubber layer 20, jack 18 joint on sleeve 23 surface and a filler bag 17, sleeve 23 internal surface and the intubate 19 joint on another filler bag 17, the water-swellable filler in the intubate 19 can strengthen the joint effect after water-swellable, specifically: 19 intubate outermost plastic layer, make it take place the deformation inflation in sleeve 23, the plastic layer after the deformation has occupied the gap between 19 and the sleeve 23 of original intubate, make intubate 19 and sleeve 23's surface laminate more, and then improve frictional force between the two, make these both required power increases when the separation, thereby sleeve 23 has been ensured, stability when jack 18 and 19 three of intubate are connected, realize that the soft rubber layer is connected with dismantling of a plurality of filler bags.
When the filling bag 17 needs to be replaced, the dam body is taken out of water, the insertion pipes 19 shrink back to the original shape after the filling materials are dehydrated, then the connection between the sleeve shaft 23 and the insertion pipes 19 and the insertion holes 18 is removed, and then each insertion pipe 19 is completely separated from the connecting hole 24, so that the soft rubber layer 20 and the filling bag 17 can be detached, and the filling bag 17 is convenient to replace.
Furthermore, a diversion bump 28 is arranged on one side of each aquatic vegetation layer 3 far away from the filter body 5.
The diversion bumps 28 shunt and decelerate turbulent water flow, and damage to the dam body in the multi-time use process is reduced.
Further, the microbial filler layer 11 includes a microbial filler and microbes put in the microbial filler. The microbial filler can be an inorganic filler or an organic polymer filler. The microorganism may be an aerobic or anaerobic type of microorganism known in the art.
Furthermore, the blocking dam 4 is arranged in a hollow mode, a floating plate 14 capable of floating upwards when encountering water penetrates through the blocking dam 4, and the top end of the floating plate 14 is fixedly connected with the hanging ring 6. A first limiting block 15 is arranged at one end, away from the hanging ring 6, of the floating plate 14, a second limiting block 16 which can be matched with the first limiting block 15 is arranged at the top end of the blocking dam 4, the second limiting block 16 and the blocking dam 4 are integrally arranged, and a gap through which water can flow is formed between the blocking dam 4 and the floating plate 14.
When the water level of the river channel rises gradually, the upper end of the filter dam is submerged. Part of the water flow enters the blocking dam 4 at the moment, so that the floating plate 14 floats upwards when meeting water, the lifting ring 6 is driven to float upwards, and the situation that the lifting ring 6 is submerged by the water flow synchronously, so that the lifting ring 6 is inconvenient to match with a crane is avoided. Because the first limiting block 15 and the second limiting block 16 are matched and clamped, one end of the floating plate 14 is always positioned in the blocking dam 4.
Furthermore, a floating platform 31 which can float up when encountering water is arranged at one end of the floating plate 14 above the blocking dam 4, a pressure pump 32 is arranged on the floating platform 31, the output end of the pressure pump 32 is connected with a delivery pipe 33 for delivering fluid, the delivery pipe 33 penetrates through the side wall of the blocking dam 4 and then extends into the base 2 and is laid along the bottom of the base 2, a plurality of shunt pipes 34 are arranged on the delivery pipe 33, and each shunt pipe 34 can be used for allowing the fluid to flow into the filter material 5 from the delivery pipe 33. Specifically, the following are mentioned: the fluid may be a gas, which is outside air, which in this case enhances the biological purification capacity of the filter body 5. The fluid can also be liquid, and the liquid can be liquid in water at the downstream of the pond, so that the recycling is realized.
One end of each shunt tube 34 mates with a receptacle 18 on one of the fill packs 17.
The pressure pump 32 is arranged on the floating platform 31 which floats upwards when meeting water, the pressure pump 32 is prevented from being submerged by the water, the pressure pump 32 pumps fluid into the delivery pipe 33, the delivery pipe 33 penetrates through the blocking dam 4 and extends into the base 2, the fluid is guided into the filler bag 17 through the matching of the shunt pipe 34 and the insertion hole 18, the filler in the filler bag 17 is kept in full contact with the water flow, the filler bag 17 can guide the fluid into the rest of the filler bags 17 around through the matching of the insertion pipe 19 and the insertion hole 18, and finally, the alternating current circulation of each layer of the filter body 5 is realized, and the purification of the water flow is facilitated.
The specific embodiments are merely illustrative and not restrictive, and those skilled in the art can modify the embodiments without inventive contribution as required after reading this specification, but only within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a biological dam that strains based on oyster shell which characterized in that: the filter dam comprises a plurality of filter dams located between two banks (1), each filter dam comprises a base (2) and two aquatic vegetation layers (3), a blocking dam (4) is arranged in the middle of the base (2), filter bodies (5) are arranged on the two sides of the blocking dam (4) of the base (2), one side, far away from the base (2), of each filter body (5) is connected with the aquatic vegetation layers (3), and a hanging ring (6) convenient to be matched with a crane is arranged at the top end of the blocking dam (4);
the filter body (5) is of a multilayer structure which is sequentially arranged from top to bottom, a plurality of filling bags (17) with corresponding fillers are arranged in each layer of structure, each filling bag (17) is a plastic layer capable of coating the fillers, each plastic layer is provided with a reticular hole, and the size of the reticular hole is smaller than that of the filler;
each filling bag (17) is provided with two insertion holes (18) and two insertion tubes (19), the insertion tube (19) on each filling bag (17) can be inserted into the insertion hole (18) on the other filling bag (17), the outer surface of each insertion tube (19) is a rough surface, a cavity is arranged in each insertion tube (19), and water-swellable filler is filled in the cavity;
the blocking dam (4) is arranged in a hollow mode, a floating plate (14) capable of floating upwards when encountering water penetrates through the blocking dam (4), the top end of the floating plate (14) is fixedly connected with a hanging ring (6), a first limiting block (15) is arranged at one end, away from the hanging ring (6), of the floating plate (14), a second limiting block (16) capable of being matched with the first limiting block (15) is arranged at the top end of the blocking dam (4), the second limiting block (16) and the blocking dam (4) are integrally arranged, and a gap for water flow to pass through is formed between the blocking dam (4) and the floating plate (14);
the one end of kickboard (14) is provided with above the dam (4) of hindering and meets water floating pontoon (31), be provided with force pump (32) on kickboard (31), be connected with on force pump (32) the output and be used for transmitting fluidic conveyer pipe (33), conveyer pipe (33) are passed and are blocked dam (4) lateral wall after stretch into in base (2) and lay along the base bottom, are provided with a plurality of shunt tubes (34) on conveyer pipe (33), and every shunt tubes (34) all can supply the fluid to circulate to filter material body (5) from conveyer pipe (33).
2. The oyster shell-based biological filter dam of claim 1, wherein: the filter body (5) comprises a first oyster shell layer (10), a microbial packing layer (11), a second oyster shell layer (12) and a stone layer (13) which are sequentially arranged from top to bottom.
3. The oyster shell-based biological filter dam of claim 1, wherein: every aquatic vegetable layer (3) all are provided with water-swelling's soft rubber layer (20) on being close to one side of filter body (5), the clearance is provided with a plurality of counterweight plate (21) on soft rubber layer (20), an organic whole is provided with connecting axle (22) that is located and keeps away from counterweight plate (21) one side on soft rubber layer (20), and the one end an organic whole that soft rubber layer (20) was kept away from in connecting axle (22) is provided with ascending quill (23) of vertical side, quill (23) internal and external surface respectively with intubate (19) on one filler bag (17) and jack (18) looks joint of another filler bag (17), still be provided with on soft rubber layer (20) with intubate (19) interference fit's connecting hole (24).
4. The oyster shell-based biological filter dam of claim 1, wherein: one side of each aquatic vegetation layer (3) far away from the filter body (5) is provided with a diversion bump (28).
5. The oyster shell-based biological filter dam of claim 2, wherein: the microbial filler layer (11) comprises a microbial filler and microbes thrown in the microbial filler.
6. The oyster shell-based biological filter dam of claim 1, wherein: the aquatic vegetation layer (3) comprises a plurality of perforated bricks which are built mutually, and aquatic plants are planted in the perforated bricks.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110591095.9A CN113277624B (en) | 2021-05-28 | 2021-05-28 | Biological filter dam based on oyster shell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110591095.9A CN113277624B (en) | 2021-05-28 | 2021-05-28 | Biological filter dam based on oyster shell |
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| CN113277624A CN113277624A (en) | 2021-08-20 |
| CN113277624B true CN113277624B (en) | 2022-07-15 |
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| CN113622374B (en) * | 2021-09-17 | 2022-05-20 | 山东乾元工程集团有限公司东营维修养护分公司 | Liftable flood control river bank and method |
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| CN206821413U (en) * | 2017-05-25 | 2018-01-02 | 广州园中园绿化景观有限公司 | Chinese garden planting case |
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| CN208732737U (en) * | 2018-07-27 | 2019-04-12 | 厦门水世纪环保科技有限公司 | A kind of ecology filter dam |
| CN109574236A (en) * | 2019-01-17 | 2019-04-05 | 长江水利委员会长江科学院 | A kind of ecological dam for being suitable for mountain stream and subtracting the reparation of dehydration section |
| CN210712791U (en) * | 2019-08-20 | 2020-06-09 | 广东中瑞海洋生态环境研究院有限公司 | Coastal zone environment-friendly garbage collector with seawater filtering function |
| CN211283845U (en) * | 2019-11-11 | 2020-08-18 | 宁波大学 | Biological filter dam for treating mariculture tail water |
| CN110902839B (en) * | 2019-12-09 | 2022-07-08 | 陕西师范大学 | Water ecology restoration method based on aquatic plant patch planting |
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| CN208685920U (en) * | 2018-07-03 | 2019-04-02 | 湖南远大建工股份有限公司 | A kind of dry wall with waterproof groove |
| CN210316084U (en) * | 2019-07-16 | 2020-04-14 | 李荣君 | Assembled building shear wall structure |
| CN211622031U (en) * | 2020-02-15 | 2020-10-02 | 张俊中 | Novel prefabricated building node connection structure |
| CN212082533U (en) * | 2020-04-25 | 2020-12-04 | 刘小夕 | Hydrogeology is pumped water experimental flow weir height numerical value and is read scale pipe |
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