Tail water treatment system
The wastewater treatment system, designed with an ecological cycle, utilizes seahorses, shellfish, sandworms, and mangrove plants for multi-stage filtration of the wastewater. This solves the problems of large footprint and high cost of existing wastewater treatment equipment, achieving efficient and low-cost wastewater purification.
Patent Information
- Application Number
- CN202422111634.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-29
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-08-29
AI Technical Summary
Existing wastewater treatment equipment for fish and shrimp farming ponds is large in scale, occupies a large area, and has high operating costs, making it difficult to effectively reduce purification and filtration costs.
The wastewater treatment system, designed with an ecological cycle, includes aquaculture ponds, purslane planting ponds, shellfish farming ponds, sandworm farming ponds, and mangrove planting ponds. The system uses purslane, shellfish, sandworms, and mangrove plants to absorb and filter nitrogen, phosphorus, and heavy metals in the wastewater. Combined with a coarse filtration device and a water pump system, the system achieves a top-down, stepped layout.
It achieves efficient purification of effluent, reduces reliance on large-scale water treatment equipment, lowers operating and construction costs, and ensures that effluent meets discharge standards.
Smart Images
Figure CN223576258U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of water treatment, especially a tail water treatment system. BACKGROUND
[0002] At present, fish, shrimp and other breeding ponds need to be purified and filtered during tail water discharge stage, and common tail water treatment of breeding ponds is through building corresponding water treatment equipment, harmful substances in tail water are purified and removed through mixing and precipitation of chemical agents. In order to ensure that the tail water meets the discharge standard, the scale of the required water treatment equipment is generally large, which occupies a large area and has high labor and material costs. UTILITY MODEL CONTENT
[0003] The utility model solves the technical problem that: provide a kind of tail water treatment system of reducing purification filtration cost, and the filter design of ecological cycle is adopted.
[0004] In order to solve the above technical problem, the technical scheme adopted by the utility model is as follows: a tail water treatment system, comprising a breeding pond and an intermediate filter tank, the intermediate filter tank comprises a Sesbania grandiflora planting pool and a mangrove planting pool, and the breeding pond is communicated with the Sesbania grandiflora planting pool and the mangrove planting pool in sequence.
[0005] Further, the intermediate filter tank further comprises a shellfish breeding pond, and the breeding pond is communicated with the Sesbania grandiflora planting pool, the shellfish breeding pond and the mangrove planting pool in sequence.
[0006] Further, the intermediate filter tank further comprises a sandworm breeding pond, and the breeding pond is communicated with the Sesbania grandiflora planting pool, the shellfish breeding pond, the sandworm breeding pond and the mangrove planting pool in sequence.
[0007] Further, the plant planted in the mangrove planting pool is any one of Eupomatia Fortunei, Avicennia marina, Bruguiera gymnorrhiza or Kandelia candel.
[0008] Further, the plant planted in the mangrove planting pool comprises Eupomatia Fortunei, Avicennia marina, Bruguiera gymnorrhiza and Kandelia candel.
[0009] Further, the breeding pond is provided with branch pipelines, branch control valves and branch water pumps, the branch pipelines are communicated with the shellfish breeding pond and the breeding pond, and the branch pipelines are provided with branch control valves and branch water pumps.
[0010] Further, the mangrove planting pool is provided with a backflow pipeline, a backflow control valve and a backflow water pump, the backflow pipeline is communicated with the Sesbania grandiflora planting pool, and the backflow pipeline is provided with a backflow control valve and a backflow water pump.
[0011] Further, it further comprises a coarse filter device, and the coarse filter device is communicated with the breeding pond and the Sesbania grandiflora planting pool.
[0012] Further, the Sesbania grandiflora planting pool, the shellfish breeding pool, the sandworm breeding pool and the mangrove planting pool are arranged in a ladder type from top to bottom.
[0013] Further, conveying water pumps are arranged between the Sesbania grandiflora planting pool, the shellfish breeding pool, the sandworm breeding pool and the mangrove planting pool.
[0014] The beneficial effect of the utility model lies in that: the nitrogen and phosphorus elements in tail water are absorbed by the Sesbania grandiflora in the Sesbania grandiflora planting pool, and the nitrogen and phosphorus elements and heavy metal elements are further absorbed by large plants in the mangrove planting pool, so that tail water discharge meets the index; the ecological cycle green filtering design can reduce the construction of water treatment equipment, and there is no need to spend a large amount of cost to purify tail water quality. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a structural schematic view of a tail water treatment system of the utility model specific embodiment.
[0016] Label explanation:
[0017] 1, breeding pond; 2, Sesbania grandiflora planting pool; 3, mangrove planting pool; 4, shellfish breeding pool; 5, sandworm breeding pool; 6, branch pipeline; 7, backflow pipeline; 8, coarse filtering device. DETAILED DESCRIPTION
[0018] To explain the technical content, the purpose and effect achieved by the utility model in detail, the following is explained by combining with the drawings.
[0019] Please refer to Figure 1 A tail water treatment system, including breeding pond 1 and intermediate filter tank, the intermediate filter tank includes Sesbania grandiflora planting pool 2 and mangrove planting pool 3, and the breeding pond 1 is sequentially communicated with Sesbania grandiflora planting pool 2 and mangrove planting pool 3.
[0020] From the above description, the beneficial effect of the utility model lies in that: the nitrogen and phosphorus elements in tail water generated by breeding pond 1 are absorbed by the Sesbania grandiflora in Sesbania grandiflora planting pool 2, and the nitrogen and phosphorus elements and heavy metals and other substances are further absorbed by large plants in mangrove planting pool 3, so that tail water discharge meets the index; the ecological cycle green filtering design can reduce the construction of water treatment equipment, and there is no need to spend a large amount of cost to purify tail water quality.
[0021] Further, the intermediate filter tank further includes shellfish breeding pool 4, and the breeding pond 1 is sequentially communicated with Sesbania grandiflora planting pool 2, shellfish breeding pool 4 and mangrove planting pool 3.
[0022] From the above description, the design of the shellfish culture pond 4 is adopted to filter the phytoplankton such as chlorella in the tail water through the shellfish.
[0023] Further, the intermediate filter pond further comprises a sandworm culture pond 5, and the culture pond 1 is sequentially connected with the bacopa caroliniana planting pond 2, the shellfish culture pond 4, the sandworm culture pond 5 and the mangrove planting pond 3.
[0024] From the above description, the design of the sandworm culture pond 5 is adopted to filter the nutrients such as residual bait in the tail water through the sandworm.
[0025] Further, the plants planted in the mangrove planting pond 3 are any one of the plants of the tung tree, the white bone soil, the wood olive or the kolanchoe.
[0026] From the above description, the tung tree, the white bone soil, the wood olive or the kolanchoe are planted in the form of single plant to wash and filter the nitrogen and phosphorus elements and heavy metals in the tail water; through multiple tests, the kolanchoe is preferred in the present scheme, and the purification and filtering effect thereof is better than those of the other plants.
[0027] Further, the plants planted in the mangrove planting pond 3 include the tung tree, the white bone soil, the wood olive and the kolanchoe.
[0028] From the above description, the tung tree, the white bone soil, the wood olive and the kolanchoe can be mixed and planted in the mangrove planting pond 3, and all of them can absorb and filter the nitrogen and phosphorus elements, heavy metals and the like.
[0029] Further, the culture pond 1 is provided with a branch pipeline 6, a branch control valve and a branch water pump, the branch pipeline 6 is connected with the shellfish culture pond 4 and the culture pond 1, and the branch pipeline 6 is provided with the branch control valve and the branch water pump.
[0030] From the above description, the filtering process of the tail water can be adjusted according to the content of the nitrogen and phosphorus elements in the tail water of the culture pond 1; in the case that the content of the nitrogen and phosphorus elements is low, the tail water can be discharged into the shellfish culture pond 4 through the branch pipeline 6 by the branch water pump, the purification time of the bacopa caroliniana planting pond 2 is reduced, and finally the residual nitrogen and phosphorus elements are absorbed and filtered by the mangrove planting pond 3, thereby improving the tail water treatment efficiency.
[0031] Further, the mangrove planting pond 3 is provided with a backflow pipeline 7, a backflow control valve and a backflow water pump, the backflow pipeline 7 is connected with the bacopa caroliniana planting pond 2, and the backflow pipeline 7 is provided with the backflow control valve and the backflow water pump.
[0032] From the above description, if the wastewater treated by the mangrove planting pond 3 still fails to reach the discharge index, the tail water can be discharged into the bacopa caroliniana planting pond 2 through the backflow pipeline 7 by the backflow water pump for a new round of purification and filtering.
[0033] Further, a coarse filter device 8 is further included, which is communicated between the breeding pond 1 and the swamp cabbage planting pond 2.
[0034] As can be seen from the above description, the coarse filter device 8 can be used to filter the soil, sand and other sundries in the tail water in advance.
[0035] Further, the swamp cabbage planting pond 2, the shellfish breeding pond 4, the sandworm breeding pond 5 and the mangrove planting pond 3 are arranged in a ladder type from top to bottom.
[0036] As can be seen from the above description, the tail water can be guided to flow in the intermediate filter pond by the gravity of the water flow itself through the ladder type arrangement from top to bottom.
[0037] Further, the swamp cabbage planting pond 2, the shellfish breeding pond 4, the sandworm breeding pond 5 and the mangrove planting pond 3 are arranged in a ladder type from top to bottom.
[0038] As can be seen from the above description, the tail water can be guided to flow in the intermediate filter pond by the gravity of the water flow itself through the ladder type arrangement from top to bottom.
[0039] Reference Figure 1 , Example One:
[0040] Application scenario: At present, the breeding pond 1 of fish, shrimp and the like needs to be purified and filtered during the tail water discharge stage. The common tail water treatment of the breeding pond 1 is to build corresponding water treatment equipment, to purify and remove harmful substances in the tail water through the mixing and precipitation of chemical agents. In order to ensure the standard discharge of the tail water, the scale of the water treatment equipment generally needs to be large, which occupies a large area and has high cost of manpower and material resources required for operation.
[0041] As shown in Figure 1 , the tail water treatment system of the present embodiment includes a breeding pond 1, a coarse filter device 8 and an intermediate filter pond, the intermediate filter pond includes a swamp cabbage planting pond 2 and a mangrove planting pond 3, and the breeding pond 1 is communicated with the swamp cabbage planting pond 2, the shellfish breeding pond 4, the sandworm breeding pond 5 and the mangrove planting pond 3 in sequence. The swamp cabbage planting pond 2, the shellfish breeding pond 4, the sandworm breeding pond 5 and the mangrove planting pond 3 are arranged in a ladder type from top to bottom. The coarse filter device 8 is communicated between the breeding pond 1 and the swamp cabbage planting pond 2. The tail water discharged from the breeding pond 1 is discharged to the outside after being purified and filtered by the coarse filter device 8 and the intermediate filter pond.
[0042] The plants planted in the mangrove planting pond 3 are tung tree, avicennia marina, bruguiera gymnorrhiza and kandelia candel. The plants in the mangrove planting pond 3 can be planted by single tree species or mixed planting. In the related test, tung tree, avicennia marina, bruguiera gymnorrhiza and kandelia candel can all play a good purifying and absorbing effect on ammonia nitrogen in the tail water under the same conditions.
[0043] For the treatment of nitrite in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Kandelia candel, Bruguiera gymnorrhiza, Aegiceras corniculatum and Manglietia fordii;
[0044] For the treatment of total phosphorus in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Kandelia candel, Aegiceras corniculatum, Manglietia fordii and Bruguiera gymnorrhiza;
[0045] For the treatment of total nitrogen in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Manglietia fordii, Aegiceras corniculatum, Kandelia candel and Bruguiera gymnorrhiza;
[0046] For the treatment of organic carbon in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Manglietia fordii, Kandelia candel, Aegiceras corniculatum and Bruguiera gymnorrhiza;
[0047] For the treatment of sulfide in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Aegiceras corniculatum, Manglietia fordii, Kandelia candel and Bruguiera gymnorrhiza.
[0048] For the treatment of benzopyrene in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Manglietia fordii, Aegiceras corniculatum, Kandelia candel and Bruguiera gymnorrhiza;
[0049] For the treatment of cadmium ions in tail water, the plants corresponding to the removal rate of the substance from high to low are as follows: Manglietia fordii, Kandelia candel, Aegiceras corniculatum and Bruguiera gymnorrhiza;
[0050] In consideration of all the above, Kandelia candel is the best plant for planting in the mangrove planting pool 3.
[0051] The aquaculture pool 1 is provided with a branch pipeline 6, a branch control valve and a branch water pump. Specifically, after the coarse filter device 8 is arranged, the branch pipeline 6 is connected to the coarse filter device 8 and the shellfish aquaculture pool 4, so that the water is first coarsely filtered by the coarse filter device 8 and then further treated. The branch pipeline 6 is provided with a branch control valve and a branch water pump. The mangrove planting pool 3 is provided with a backflow pipeline 7, a backflow control valve and a backflow water pump. The backflow pipeline 7 is connected to the Sesuvium portulacastrum planting pool 2, and the backflow pipeline 7 is provided with a backflow control valve and a backflow water pump. The Sesuvium portulacastrum planting pool 2, the shellfish aquaculture pool 4, the sandworm aquaculture pool 5 and the mangrove planting pool 3 are all provided with a water conveying pump.
[0052] The above intermediate filter pool is correspondingly designed with related water quality monitoring equipment or manually monitored by regular sampling to ensure that the tail water is effectively treated and then discharged into the next intermediate filter pool for filtering of other substances.
[0053] In summary, the tail water treatment system provided by the utility model, for the tail water, waste water produced by the breeding pond, respectively through the duckweed in the duckweed planting pool to absorb the nitrogen and phosphorus elements in the tail water, through the large plants in the mangrove planting pool to further absorb the nitrogen and phosphorus elements and heavy metal elements, ensure that the tail water discharge meets the index; adopt the green filter design of ecological cycle, can reduce the construction of water treatment equipment, need not spend a large amount of cost to purify the tail water quality.
[0054] The above is only the embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation, direct or indirect application in the related technical field by using the utility model specification and the attached drawing contents are also included in the patent protection range of the utility model.
Claims
1. A tailwater treatment system, characterized by, The system comprises a culture pond and an intermediate filter pond, the intermediate filter pond comprises a mesona aculeata planting pond and a mangrove planting pond, and the culture pond is communicated with the mesona aculeata planting pond and the mangrove planting pond in sequence.
2. The tailwater treatment system of claim 1, wherein, The intermediate filter pond further comprises a shellfish culture pond, and the culture pond is communicated with the mesona aculeata planting pond, the shellfish culture pond and the mangrove planting pond in sequence.
3. The tailwater treatment system of claim 2, wherein, The intermediate filter pond further comprises a sandworm culture pond, and the culture pond is communicated with the mesona aculeata planting pond, the shellfish culture pond, the sandworm culture pond and the mangrove planting pond in sequence.
4. The tail water treatment system of claim 1, wherein, The plant planted in the mangrove planting pond is any one of a plant of a tabernaemontana pandacaqui, a avicennia marina, a bruguiera gymnorrhiza or a kandelia candel.
5. The tail water treatment system of claim 1, wherein, The plant planted in the mangrove planting pond comprises a tabernaemontana pandacaqui, an avicennia marina, a bruguiera gymnorrhiza and a kandelia candel.
6. The tail water treatment system of claim 3, wherein, The culture pond is provided with a branch pipeline, a branch control valve and a branch water pump, the branch pipeline is communicated with the shellfish culture pond and the culture pond, and the branch pipeline is provided with the branch control valve and the branch water pump.
7. The tail water treatment system of claim 3, wherein, The mangrove planting pond is provided with a backflow pipeline, a backflow control valve and a backflow water pump, the backflow pipeline is communicated with the mesona aculeata planting pond, and the backflow pipeline is provided with the backflow control valve and the backflow water pump.
8. The tail water treatment system of claim 3, wherein, The system further comprises a coarse filter device, and the coarse filter device is communicated with the culture pond and the mesona aculeata planting pond.
9. The tail water treatment system of claim 3, wherein, The mesona aculeata planting pond, the shellfish culture pond, the sandworm culture pond and the mangrove planting pond are arranged in a ladder type from top to bottom.
10. The tail water treatment system of claim 9, wherein, The mesona aculeata planting pond, the shellfish culture pond, the sandworm culture pond and the mangrove planting pond are all provided with a conveying water pump.