Integrated management system of high quality green shrimp culture and tail water treatment in small continuous shed

Abstract

The present application provides a management system for combined treatment of small greenhouses and tail water, comprising: a sedimentation and water storage ecological pool, the water outlet of the sedimentation and water storage ecological pool being connected with the water inlet of a small greenhouse pool; the small greenhouse pool is based on a high-efficiency and healthy breeding mode; a tail water comprehensive treatment system is connected with the tail water outlet of the small greenhouse pool; the water inlet of a buffer adjustment pool is connected with the treated water outlet of the tail water comprehensive treatment system, and a water quality monitoring system is arranged between the buffer adjustment pool and the tail water comprehensive treatment system; the tail water comprehensive treatment system comprises a tail ditch sedimentation and filtration system, a main ditch purification system and a multi-stage facility tail water treatment system connected in sequence; each level treatment system of the multi-stage facility tail water treatment system is respectively formed by combination of multiple treatment modules. The present application has low investment and operation cost, the water body is relatively stable after tail water treatment, and the sediment is resourcefully utilized.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of aquaculture tail water treatment, in particular to a centralized small shed green high-quality shrimp breeding and tail water treatment combined treatment system. BACKGROUND

[0002] Penaeus vannamei is a kind of aquatic economic crustacean of Penaeidae and Litopenaeus. Penaeus vannamei is rich in nutrition and delicious, and is a high-quality aquatic product with high protein and low fat. In recent years, small shed Penaeus vannamei breeding has been favored by breeders and aquatic breeding enterprises due to its short investment, high yield, quick effect and high return, and has shown an explosive development trend.

[0003] However, the tail water discharged by small shed Penaeus vannamei breeding contains nitrogen, phosphorus and suspended particles, which causes the surrounding natural water body to form eutrophic water body, becoming the main bottleneck restricting the development of small shed Penaeus vannamei breeding industry.

[0004] In the prior art, the treatment of small shed Penaeus vannamei breeding tail water has high investment and operation cost, the water body after tail water treatment is not stable enough, and the sediment is not resourceized, therefore, it is urgent to build a centralized small shed green high-quality shrimp breeding and tail water treatment combined treatment system. SUMMARY

[0005] The present application aims to provide a centralized small shed green high-quality shrimp breeding and tail water treatment combined treatment system to solve the above technical problems.

[0006] To achieve the above-mentioned purpose, the present application adopts the following technical solution: a centralized small shed green high-quality shrimp breeding and tail water treatment combined treatment system, comprising: a sedimentation and water storage ecological pool, the water outlet end of the sedimentation and water storage ecological pool is connected with the water inlet end of a small shed breeding pool; wherein the small shed breeding pool is based on a high-efficiency and healthy breeding mode; a tail water comprehensive treatment system, the tail water comprehensive treatment system is connected with the tail water discharge outlet of the small shed breeding pool; a buffer adjustment pool, the water inlet end of the buffer adjustment pool is connected with the treated water outlet of the tail water comprehensive treatment system, and the circulating water outlet of the buffer adjustment pool is connected with the water inlet end of the sedimentation and water storage ecological pool; a water quality monitoring system, the water quality monitoring system is arranged between the buffer adjustment pool and the tail water comprehensive treatment system; the tail water comprehensive treatment system comprises a tail ditch sedimentation and filtration system, a main ditch purification system and a multi-stage facility tail water treatment system connected in sequence; each level treatment system of the multi-stage facility tail water treatment system is respectively formed by a plurality of treatment modules; wherein the breeding tail water treatment mode further comprises a sludge concentration pool, a sludge collection system and a sludge water pressure dewatering system connected in sequence, and the sedimentation and water storage ecological pool, the small shed breeding pool, the tail water comprehensive treatment system and the buffer adjustment pool are respectively connected with the sludge concentration pool.

[0007] Further, the small shed breeding pool is a single shed or shed-in-shed breeding pool.

[0008] Further, the high-efficiency healthy breeding mode comprises water inlet sedimentation disinfection aeration, regular external discharge of green ecological bottom improvement products suitable for small shed breeding pool environment, algal water conditioning products, and in-situ sedimentation flocculation disinfection green treatment of the breeding water after water collection and shrimp collection, and pool drying and pool drying treatment; it also includes regular internal administration of suitable green dynamic protection products.

[0009] Further, the tail groove sedimentation filtration system and the main groove purification system are respectively matched with salt-tolerant plants.

[0010] Further, each level of the multi-stage facility tail water treatment system comprises one or more of suspended solid particle filtration modules, biological contact oxidation modules, nitrogen and phosphorus adsorption and removal treatment modules, and flocculation sedimentation disinfection modules, and each module is an independent cell, and the adjacent cells are connected through flow channels.

[0011] After adopting the above technical solution, the following beneficial effects are obtained compared with the prior art:

[0012] The tail water purification-reuse large cycle treatment mode can be realized, the resource utilization of water body and bottom mud is improved, the treated water can be temporarily stored through the setting of the sedimentation water storage ecological pool, independent and safe water source guarantee for the small shed breeding pool can be provided at any time, the parts of the tail water comprehensive treatment system assist and support each other, forming an organic whole, the water body is fully treated, the stability of water body treatment is improved, and finally the discharge standard is reached or recycled, the overall treatment investment and operation cost are low. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0014] Figure 1 is the process flow chart of the present application. DETAILED DESCRIPTION

[0015] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with examples. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0016] In view of the problems in the prior art, the present application provides a centralized and piecewise small shed green high-quality shrimp breeding and tail water treatment combined management system, which is described in detail below with reference to the drawings.

[0017] Referring to Figure 1 As shown in the specific embodiment, the technical solution adopted by the present application is as follows: the centralized and piecewise small shed green high-quality shrimp breeding and tail water treatment combined management system provided by the present application comprises a sedimentation and water storage ecological pool, a tail water comprehensive treatment system, a buffer adjustment pool and a water quality monitoring system, the water outlet end of the sedimentation and water storage ecological pool is connected with the water inlet end of a small shed breeding pool, the tail water outlet of the small shed breeding pool is connected with the tail water comprehensive treatment system, the treated water outlet of the tail water comprehensive treatment system is connected with the buffer adjustment pool, the water quality monitoring system is arranged between the tail water comprehensive treatment system and the buffer adjustment pool, the buffer adjustment pool comprises a circulating water outlet and a discharge outlet meeting the standard, the circulating water outlet is connected with the sedimentation and water storage ecological pool, and the sedimentation and water storage ecological pool, the small shed breeding pool, the tail water comprehensive treatment system and the buffer adjustment pool are sequentially connected to form a circulating loop, so that the utilization rate of water body can be improved.

[0018] The tail water comprehensive treatment system comprises a tail ditch sedimentation and filtration system, a main ditch purification system and a multi-stage facility tail water treatment system which are sequentially connected, and the tail ditch sedimentation and filtration system and the main ditch purification system are respectively matched with one or more salt-tolerant plants.

[0019] The breeding tail water management mode further comprises a sludge concentration pool, a sludge collection system and a sludge water pressure dewatering system which are sequentially connected, and the sedimentation and water storage ecological pool, the small shed breeding pool, the tail water comprehensive treatment system and the buffer adjustment pool are connected with the sludge concentration pool, and sludge deposits or residual feed feces and the like are discharged into the sludge concentration pool for concentration treatment, so that the resource utilization of the bottom mud can be realized.

[0020] It should be particularly noted that the multi-stage facility tail water treatment system is a multi-stage treatment system constructed by a plurality of modules, each stage of the multi-stage facility tail water treatment system can comprise one or more of a suspended solid particle filtration module, a biological contact oxidation module, a nitrogen and phosphorus adsorption and removal treatment module and a flocculation, sedimentation and disinfection module, and each module is an independent unit cell, and adjacent unit cells are connected through flow channels. In addition, the module composition of each stage of the multi-stage facility tail water treatment system is not limited to the above-mentioned several kinds.

[0021] As a preferred mode of the present application, the aquaculture tail water treatment mode is constructed in the periphery and low-lying area of the aquaculture pond. The small shed aquaculture pond can be provided with multiple groups, and the small shed aquaculture pond is based on the efficient and healthy aquaculture mode. The small shed aquaculture pond can be a single shed aquaculture pond or a shed-in-shed aquaculture pond. The form of the shed-in-shed is adjusted according to the change of seasons. In autumn, winter and spring, the inner and outer sides of the two sheds can use plastic film according to the actual situation on the spot, which can realize heat preservation. In summer, the inner shed uses plastic film, and the outer shed uses black film or black net. The black film or black net can isolate the inside and outside, and play the role of sunshade.

[0022] The efficient and healthy aquaculture mode includes water inlet sedimentation disinfection aeration, regular external spilling of suitable small shed aquaculture pond environment green ecological bottom improvement products, algal water conditioning products, and in-situ sedimentation flocculation disinfection green treatment of the aquaculture water after taking water with shrimp, and pool drying and pool treatment; It also includes regular internal administration of suitable green dynamic protection products.

[0023] The aquaculture mode using the efficient and healthy aquaculture mode makes the South American white shrimp culture be able to realize the dynamic stability of the shed culture environment without using antibiotics, makes the culture more green and ecological, solves some problems from the root in the process of treating aquaculture water, improves the efficiency of subsequent tail water treatment, and to some extent, improves the stability of the water body, and finally realizes the development of green cycle high-quality culture.

[0024] The green ecological bottom improvement product includes beneficial chlorella, diatom and other algal water, and bacillus spore, photosynthetic bacteria and other complex bacteria suitable for small shed shrimp culture environment, which is used to control the harmful substances such as ammonia nitrogen and nitrite in the water environment of small shed shrimp culture in the middle and late stages at a low level, and create a better welfare water environment for South American white shrimp.

[0025] The green dynamic protection product includes beneficial bacteria such as butyric acid clostridium and lactic acid bacteria, and multi-stable vitamin C, liver protection drugs and Chinese herbal medicine anti-inflammatory drugs for internal administration. Together with the green ecological bottom improvement product, it forms a concentrated and contiguous South American white shrimp small shed efficient and healthy aquaculture mode. The combination of healthy aquaculture and tail water treatment is beneficial to improve the quality of shrimp culture, and also helps to reduce the overall investment and operating cost of tail water treatment.

[0026] Specifically:

[0027] The sedimentation and water storage ecological pond is arranged near each group of small shed aquaculture ponds, mainly for independent water storage and water supply of the surrounding small shed aquaculture ponds, and for emergency water change and water use in the small shed aquaculture pond when the South American white shrimp is sick, to ensure that the South American white shrimp in the small shed aquaculture pond has independent and safe water source guarantee at any time

[0028] When the small shed is used to breed the Penaeus vannamei, the beneficial algae such as Chlorella and diatom and the complex bacteria such as Bacillus and photosynthetic bacteria which are suitable for the small shed are used to be poured out regularly, the green ecological bottom improvement products are used to control the harmful substances such as ammonia nitrogen and nitrite in the water environment of the small shed in the middle and later periods at a low level, and the better welfare water environment is created for the Penaeus vannamei, and the green dynamic protection products such as Clostridium butyricum, lactic acid bacteria, Vitamin C, liver protection drugs and Chinese herbal medicine anti-inflammatory drugs are used to be taken internally, and the small shed high-efficiency and healthy breeding mode of the Penaeus vannamei is constructed;

[0029] The tail water discharged from the small shed in the small shed high-efficiency and healthy breeding mode of the Penaeus vannamei enters the tail ditch sedimentation and filtration system, the salt-tolerant plants matched with the tail ditch sedimentation and filtration system can accelerate the rapid sedimentation or filtration removal of the suspended particles, which is beneficial to the rapid absorption of nitrogen and phosphorus, and after the treatment of the tail ditch sedimentation and filtration system, the water enters the main ditch purification system, the salt-tolerant plants matched with the main ditch purification system further absorb the nitrogen and phosphorus elements in the water and precipitate the suspended particles, which further reduces the concentration of the suspended particles and the nitrogen and phosphorus elements in the water, and is beneficial to improving the treatment effect of the water;

[0030] The water treated by the tail ditch sedimentation and filtration system and the main ditch biological purification treatment system enters the multi-level facility tail water treatment system to realize multi-level treatment, which is a further guarantee for the water treatment, ensures that the various water quality indexes in the tail water maintain a low content, and the multi-level facility tail water treatment system is a multi-level treatment system composed of multiple different module cells, because the volume of the module cells is limited, the water can be effectively treated in the module cells, which is beneficial to reducing the investment and operation cost while ensuring the water treatment effect, and the parts of the tail water comprehensive treatment system mutually assist and support each other to form an organic whole;

[0031] The water treated by the multi-level facility tail water treatment system is monitored by the water quality monitoring system before being discharged into the buffer adjustment tank, and the water temperature, pH, suspended solids, COD Mn , total nitrogen and total phosphorus indexes of the water meet the requirements respectively before being discharged into the buffer adjustment tank, the buffer adjustment tank mainly plays a buffering and adjusting role, and the water in the buffer adjustment tank is discharged after being adjusted to meet the requirements, and the water meeting the requirements of the fishery breeding water is discharged into the sedimentation and water storage ecological tank for recycling;

[0032] The sludge concentration tank collects the sediments (sludge) in the sedimentation and water storage ecological tank, breeding tank, tail water comprehensive treatment system and buffer adjustment tank, concentrates the sludge after collection, and separates the sludge and water after the sludge is concentrated to achieve the purpose of rapid and concentrated collection of the sludge, and finally realizes further water pressing and dehydration of the collected sludge by the sludge water pressing and dehydration system to ensure that the water content of the sludge is as low as possible, and finally the dehydrated sludge is used as organic fertilizer.

[0033] The above description is only to illustrate the technical solutions of the present application but not to limit the present application. Other modifications or equivalent replacements of the technical solutions of the present application made by those skilled in the art should be covered in the scope of claims of the present application as long as they are not deviated from the spirit and scope of the technical solutions of the present application.

Claims

1. A treatment system combining centralized, contiguous small-scale green, high-quality shrimp farming with wastewater treatment, characterized in that: include: Sedimentation and water storage ecological ponds are set up near each group of small-scale aquaculture ponds to provide independent water storage and supply for the surrounding ponds, and to facilitate emergency water exchange and use in case of diseases in the small-scale aquaculture ponds. The outlet of the sedimentation and water storage ecological ponds is connected to the inlet of the small-scale aquaculture ponds. The small-scale aquaculture ponds are based on an efficient and healthy aquaculture model. The efficient and healthy aquaculture model includes influent sedimentation, disinfection, and aeration; regular internal administration of suitable green animal health products; regular external application of green ecological bottom improvement products and bacterial and algal water conditioning products suitable for the small-scale aquaculture pond environment; and in-situ sedimentation, flocculation, disinfection, and green treatment of the water after shrimp harvesting with water; and pond drying treatment after pond drying. A wastewater treatment system, wherein the wastewater treatment system is connected to the wastewater discharge outlet of the small-scale aquaculture pond; A buffer regulating tank, wherein the inlet of the buffer regulating tank is connected to the treated water outlet of the tailwater integrated treatment system, and the circulating water outlet of the buffer regulating tank is connected to the inlet of the sedimentation and water storage ecological tank. A water quality monitoring system is installed between the buffer equalization tank and the effluent integrated treatment system; The wastewater integrated treatment system includes a tailings sedimentation and filtration system, a main ditch purification system, and a multi-stage facility-based wastewater treatment system connected in sequence. Each stage of the multi-stage facility-based wastewater treatment system is constructed by combining multiple treatment modules. Each stage of the multi-stage facility-based wastewater treatment system includes one or more of the following: suspended solids filtration module, biological contact oxidation module, nitrogen and phosphorus adsorption and removal module, and flocculation sedimentation disinfection module. Each module is an independent cell, and adjacent cells are connected by flow channels. The treatment system also includes a sludge thickening tank, a sludge collection system, and a sludge dewatering system connected in sequence. The sedimentation and water storage ecological pond, the small-scale breeding pond, the effluent comprehensive treatment system, and the buffer regulating pond are all connected to the sludge thickening tank.

2. The treatment system combining centralized, contiguous small-scale green, high-quality shrimp farming with wastewater treatment as described in claim 1, characterized in that, The small shed aquaculture pond is a single shed or a shed-within-a-shed aquaculture pond.

3. The treatment system combining centralized, contiguous small-scale green, high-quality shrimp farming with wastewater treatment as described in claim 1, characterized in that, The tail ditch sedimentation and filtration system and the main ditch purification system are each equipped with salt-tolerant plants.

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