An ecological tailwater treatment system

Abstract

The application discloses an ecological tail water treatment system, which comprises a breeding area, a tail water storage adjusting pool, a purification area and an inlet water treatment system which are sequentially connected in circulation, the purification area comprises a vortex separation pool, an inclined plate sedimentation tank, a brush treatment pool, a filler denitrification pool, a waterfall gas filler pool, a secondary sedimentation tank, a salt-tolerant plant area, a microalgae purification pool and a shell biological filter pool, a dam of the tail water storage adjusting pool is additionally provided with a filter system facilitating replacement and cleaning and a waterfall gas system capable of strongly stirring water bodies, the inlet water treatment system is connected with the breeding area, the vortex separation pool, the inclined plate sedimentation tank, the brush treatment pool, the filler denitrification pool and the waterfall gas filler pool are connected with a fermentation tank, and the inlet water treatment system comprises an inlet water pipe group penetrating through the tail water storage adjusting pool, the inlet water pipe group exchanges heat with water bodies in the tail water storage adjusting pool, and water temperature is balanced. The ecological tail water treatment system can sufficiently adjust inlet water temperature and more efficiently purify circulating water bodies.

Description

TECHNICAL FIELD

[0001] The present application relates to an ecological tail water treatment system, in particular to an ecological tail water treatment system in the field of mariculture. BACKGROUND

[0002] The invention patent with the publication number CN105399286A and the name of "a new type of aquaculture water in-situ ecological remediation system" discloses a new type of aquaculture water in-situ ecological remediation system. It includes one or more sedimentation tanks arranged in the order of water flow, a floating ball tank for attaching beneficial microorganisms, a floating plant purification tank, one or more artificial wetland purification tanks, a microalgae purification tank, an algae-eating insect purification tank, a fish and mussel purification tank for removing residual microalgae and algae-eating insects, and finally an aeration tank for increasing the dissolved oxygen content in water. The artificial wetland purification tank is provided with purification filter material and planted with aquatic plants. Different types of tanks mainly aim to remove carbon, phosphorus nutrients and organic matter in water. The present application can effectively remove most of the COD, nitrogen and phosphorus, and suspended substances in water by reasonable arrangement of each tank. Therefore, the water purified and repaired by the system has less impurities, high purification rate and high oxygen content. However, the system does not fully consider the full balance of the circulating water and the water in the aquaculture area, and the filtration efficiency is low. The tail water storage regulating tank is not set and fully utilized to improve the heat exchange and filtration efficiency. SUMMARY

[0003] The technical problem to be solved by the present application is to provide an ecological tail water treatment system, which can realize efficient heat exchange and more fully balance the water temperature of the circulating water.

[0004] To this end, the ecological tail water treatment system provided by the present application comprises an aquaculture area, a tail water storage regulating tank, a purification area and an inlet water treatment system connected in turn. The purification area comprises a vortex separation tank, an inclined plate sedimentation tank, a brush treatment tank, a filler denitrification tank, a waterfall filler tank, a secondary sedimentation tank, a salt-tolerant plant area, a microalgae purification tank and a shell biological filter tank. The shell biological filter tank is provided with an external standard discharge outlet. The shell biological filter tank and the inlet water treatment system are connected. The inlet water treatment system and the aquaculture area are connected. The vortex separation tank, the inclined plate sedimentation tank, the brush treatment tank, the filler denitrification tank and the waterfall filler tank are connected with a fermentation tank. The fermentation tank is connected with a sediment solidification tank. The inlet water treatment system comprises an inlet pipe group passing through the tail water storage regulating tank. The inlet pipe group exchanges heat with the water in the tail water storage regulating tank, so that the water temperature in the inlet pipe group is balanced.

[0005] Preferably, the salt-tolerant plant area is connected with a plurality of microalgae purification tanks, respectively. Each microalgae purification tank is connected with the shell biological filter tank. Each microalgae purification tank realizes positive and negative bidirectional water flow control through a water flow communication control system.

[0006] Preferably, the solidified sediment in the sediment solidification tank is transported to the vegetable planting area as the vegetable planting soil.

[0007] Preferably, the water inlet pipe group is immersed in the tail water storage and regulation tank, the water inlet pipe group comprises a first water inlet end connected with the purification area, a second water inlet end connected with the external water source and a water outlet end connected with the breeding area, the water inlet pipe group comprises a repeatedly curved pipe, a pipe support is arranged below the water inlet pipe group, the pipe support is fixed to the bottom of the tail water storage and regulation tank, the water inlet pipe group has a curved heat exchange pipe which extends into the water body of the breeding area, and the water outlet end is located at the end of the curved heat exchange pipe and discharges water to the breeding area.

[0008] Preferably, the tail water storage and regulation tank has a dam which is distributed obliquely, the dam has a track in the oblique part along the height direction of the surface of the dam, a flat cubic purification and adsorption module is slidably installed on the track, at least two ropes are connected to the upper end of the purification and adsorption module, the upper ends of the ropes are rotationally connected to a winding roller, a motor is arranged on the top of the dam, the motor drives the winding roller to drive the plurality of purification and adsorption modules to move up and down, the released kinetic energy of the tail water of the breeding area causes the water body in the tail water storage and regulation tank to fluctuate, the water body strikes the purification and adsorption module, a high-pressure water flow pipe group is installed on the top of the dam, the nozzles of the high-pressure water flow pipe group are above a drainage tank, the drainage tank has a filter layer, a drainage pipe connected to the tail water storage and regulation tank is arranged below the filter layer, a drainage surface cover densely covered with water-permeable holes is arranged above the drainage tank, the purification and adsorption module is pulled up to the top of the dam and is below the water outlet of the high-pressure water flow pipe group, the purification and adsorption module has a filter material placement layer and a purification material mounting part, at least one side of the filter material placement layer and the purification material mounting part is exposed to the water body, and the filter material placement layer and the purification material mounting part have an opening structure facilitating the disassembly and assembly of the material.

[0009] Preferably, the purification and adsorption module comprises a box body with water-permeable holes, the front surface of the box body has a filter material mounting groove, the back surface of the box body is divided into a plurality of purification material mounting grooves, the filter material mounting groove and the purification material mounting grooves are provided with flip cover plates densely covered with water-permeable holes, the flip cover plates are provided with locks which can be buckled with the box body, the filter material mounting groove is filled with an integrated filter material, and the purification material mounting grooves are filled with purification materials.

[0010] Preferably, a cascade gas pipe network is installed above the tail water storage and regulation tank, the cascade gas pipe network extends downwardly to have a vertical pipe, the lower end of the vertical pipe is supported on the bottom of a cascade gas filler tank, a rotating nozzle and a stirring blade are installed on the vertical pipe, the rotating nozzle has at least four nozzles which are tangentially outwardly arranged along the rotating track of the rotating nozzle, the high-pressure gas sprayed from the nozzles forms a counter thrust to drive the rotating nozzle to rotate, thereby driving the stirring blade to rotate and stir, and the stirred water body strikes the purification and adsorption module more frequently and with greater force.

[0011] Preferably, an aerated filler pool is provided and connected between the filler denitrification pool and the secondary sedimentation pool.

[0012] Technical effects of the present invention:

[0013] 1. The water inlet treatment system of the present invention fully balances the water temperature through double heat exchange with the tailwater storage and regulating tank and the breeding area, so that the temperature of the water entering the breeding area is consistent with that of the breeding area.

[0014] Second, the purification and adsorption module is slidably mounted on the inclined embankment and driven up and down by a motor. This not only fully filters and purifies the water in the tailwater storage and regulating tank, taking advantage of the long time the water spends in the tank, but also utilizes the kinetic energy generated by the water discharged from the aquaculture area to cause the water to surge and hit the purification and adsorption module. This also solves the problem of purification and adsorption modules on the embankment being difficult to clean and replace, making replacement and cleaning more convenient.

[0015] 3. Configure an aeration system with a rotating nozzle and stirring blades so that the system can fully stir the water body and achieve more complete aeration with less equipment. It can also stir the water body so that the water body can fully hit the purification adsorption module at the dam, and utilize the characteristic that the water body stays for a long time in the tailwater storage and regulating tank to achieve efficient purification of the water body, which can reduce the subsequent aeration process. Of course, in order to improve the purification filter, the aeration filler pool in the subsequent process can also be retained. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a system flow diagram of the ecological tailwater treatment system provided in Example 1 of the present invention.

[0017] Figure 2 for Figure 1 Schematic diagram of the structure of the water treatment system combined with the tailwater storage and regulating tank.

[0018] Figure 3 for Figure 1 Schematic diagram of the structure of the tailwater storage and regulating tank with purification adsorption module and waterfall gas system.

[0019] Figure 4 for Figure 3 Schematic diagram of the structural cross-section of the box body of the purification adsorption module.

[0020] Figure 5 It is a schematic cross-sectional view of the structure of the purification adsorption module installed with filter material and purification material.

[0021] Figure 6 for Figure 3 Schematic cross-section of the rotating nozzle of the waterfall system. DETAILED DESCRIPTION

[0022] The application will be further described in detail below with reference to the accompanying drawings and embodiments.

[0023] Referring to the accompanying drawings Figures 1-6 As shown in the drawings, the ecological tail water treatment system provided by the application comprises a breeding area, a tail water storage and adjustment pool, a purification area and an inlet water treatment system which are sequentially connected in circulation. The purification area comprises a vortex separation pool, an inclined plate sedimentation pool, a brush treatment pool, a filler denitrification pool, a cascade gas filler pool, a secondary sedimentation pool, a salt-tolerant plant area, a microalgae purification pool and a shellfish biological filter pool. The shellfish biological filter pool is provided with an external standard discharge outlet. The shellfish biological filter pool is connected with the inlet water treatment system, and the inlet water treatment system is connected with the breeding area. The vortex separation pool, the inclined plate sedimentation pool, the brush treatment pool, the filler denitrification pool and the cascade gas filler pool are all connected with a fermentation pool, and the fermentation pool is connected with a sediment solidification pool. The solidified sediment in the sediment solidification pool is transported to a vegetable planting area as vegetable planting soil. The inlet water treatment system comprises an inlet pipe group 1 which passes through the tail water storage and adjustment pool. The inlet pipe group 1 exchanges heat with the water in the tail water storage and adjustment pool, so that the water temperature in the inlet pipe group 1 is balanced.

[0024] Referring to Figures 1-2 In order to improve the heat exchange effect and improve the consistency of the circulating inlet water and the water in the breeding area, the salt-tolerant plant area is connected with a plurality of microalgae purification pools, each of which is connected with the shellfish biological filter pool. Each microalgae purification pool is connected with the shellfish biological filter pool through a water flow communication control system to realize positive and reverse bidirectional water flow control, that is, a forward pipeline and a reverse pipeline are provided at the same time. The inlet pipe group 1 is immersed in the tail water storage and adjustment pool. The inlet pipe group 1 comprises a first inlet end 11 connected with the purification area, a second inlet end 12 connected with an external water source and an outlet end 13 connected with the breeding area. The inlet pipe group 1 comprises a pipeline with repeated multiple bends. A pipeline support 14 is arranged below the inlet pipe group. The pipeline support 14 is fixed to the bottom of the tail water storage and adjustment pool. The inlet pipe group 1 has a curved heat exchange pipeline 15 which extends into the water body of the breeding area. The outlet end 13 is located at the end of the curved heat exchange pipeline 15 and discharges water to the breeding area.

[0025] Referring to Figures 3-5As shown, in order to improve the purification function of the tail water storage regulating pool, the tail water storage regulating pool has a dam 2 distributed obliquely, and along the surface height direction of the dam 2, there is a track 21 obliquely distributed, and a flat cubic purification adsorption module 22 is slidably installed on the track 21, and at least two ropes 23 are connected to the upper end of the purification adsorption module 22, and the upper end of the rope 23 is rotationally connected to a winding roller 24, and a motor is arranged on the top of the dam, and the motor drives the winding roller to drive the plurality of purification adsorption modules 22 to move up and down, and the tail water of the breeding area is discharged to release kinetic energy, so that the water body in the tail water storage regulating pool is fluctuated, and the water body is patted to drive the purification adsorption module 22, and a high-pressure water flow pipe group 25 is installed on the top of the dam 2, and the nozzles of the high-pressure water flow pipe group 25 are above a drainage groove 26, and the drainage groove 26 has a filter layer 27, and in this embodiment, a transverse hole for replacing the filter layer 27 is formed on the outer side of the drainage groove 26, and a sealing mechanism is arranged at the outer opening of the transverse hole, and a drainage pipe 28 connected to the tail water storage regulating pool is arranged below the filter layer 27, and a drainage surface cover 29 with a plurality of water-permeable holes is arranged above the drainage groove 26, and the purification adsorption module 22 is pulled up to the top of the dam 2 and below the water outlet of the high-pressure water flow pipe group 25, and the purification adsorption module 22 has a filter material placement layer and a purification material mounting portion, and at least one side of the filter material placement layer and the purification material mounting portion is exposed to the water body, and the filter material placement layer and the purification material mounting portion have an opening structure facilitating the disassembly and assembly of the material, and in this embodiment, the purification adsorption module 22 includes a box body 221 with water-permeable holes, and the box body 221 has a filter material mounting groove 222 on the front side, and the back side of the box body 221 is divided into a plurality of purification material mounting grooves 223, and the filter material mounting groove 222 and the purification material mounting groove 223 are provided with flip cover plates densely provided with water-permeable holes, and the flip cover plates are provided with lock buckles capable of being buckled with the box body, and the filter material mounting groove 222 is filled with an integrated filter material, and the purification material mounting groove is filled with purification material.

[0026] Referring to Figure 3 , Figure 6 As shown, in order to improve the purification function of the tail water storage regulating pool, the tail water storage regulating pool has a dam 2 distributed obliquely, and along the surface height direction of the dam 2, there is a track 21 obliquely distributed, and a flat cubic purification adsorption module 22 is slidably installed on the track 21, and at least two ropes 23 are connected to the upper end of the purification adsorption module 22, and the upper end of the rope 23 is rotationally connected to a winding roller 24, and a motor is arranged on the top of the dam, and the motor drives the winding roller to drive the plurality of purification adsorption modules 22 to move up and down, and the tail water of the breeding area is discharged to release kinetic energy, so that the water body in the tail water storage regulating pool is fluctuated, and the water body is patted to drive the purification adsorption module 22, and a high-pressure water flow pipe group 25 is installed on the top of the dam 2, and the nozzles of the high-pressure water flow pipe group 25 are above a drainage groove 26, and the drainage groove 26 has a filter layer 27, and in this embodiment, a transverse hole for replacing the filter layer 27 is formed on the outer side of the drainage groove 26, and a sealing mechanism is arranged at the outer opening of the transverse hole, and a drainage pipe 28 connected to the tail water storage regulating pool is arranged below the filter layer 27, and a drainage surface cover 29 with a plurality of water-permeable holes is arranged above the drainage groove 26, and the purification adsorption module 22 is pulled up to the top of the dam 2 and below the water outlet of the high-pressure water flow pipe group 25, and the purification adsorption module 22 has a filter material placement layer and a purification material mounting portion, and at least one side of the filter material placement layer and the purification material mounting portion is exposed to the water body, and the filter material placement layer and the purification material mounting portion have an opening structure facilitating the disassembly and assembly of the material, and in this embodiment, the purification adsorption module 22 includes a box body 221 with water-permeable holes, and the box body 221 has a filter material mounting groove 222 on the front side, and the back side of the box body 221 is divided into a plurality of purification material mounting grooves 223, and the filter material mounting groove 222 and the purification material mounting groove 223 are provided with flip cover plates densely provided with water-permeable holes, and the flip cover plates are provided with lock buckles capable of being buckled with the box body, and the filter material mounting groove 222 is filled with an integrated filter material, and the purification material mounting groove is filled with purification material.

[0027] The above merely describes the preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-described embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled persons in the art, some improvements and refinements without departing from the principles of the present application shall also be considered as falling within the protection scope of the present application.

Claims

1. An ecological tailwater treatment system characterized by: The application relates to a water purification system for aquaculture, which comprises a breeding area, a tail water storage and regulation pool, a purification area and a water inlet treatment system in sequence, the purification area comprises a vortex separation pool, an inclined plate sedimentation pool, a brush treatment pool, a filler denitrification pool, a waterfall filler pool, a secondary sedimentation pool, a salt-tolerant plant area, a microalgae purification pool and a shellfish biological filter pool, the shellfish biological filter pool is provided with an external discharge outlet meeting the discharge standard, the shellfish biological filter pool is communicated with the water inlet treatment system, the water inlet treatment system is communicated with the breeding area, the vortex separation pool, the inclined plate sedimentation pool, the brush treatment pool, the filler denitrification pool and the waterfall filler pool are communicated with a fermentation pool, the fermentation pool is communicated with a sediment solidification pool, the water inlet treatment system comprises a water inlet pipe group passing through the tail water storage and regulation pool, the water inlet pipe group exchanges heat with water in the tail water storage and regulation pool, so that the water temperature in the water inlet pipe group is balanced. The tail water storage and regulation pool has an inclined dam, a track is arranged on the inclined part along the height direction of the dam surface, a flat cubic purification adsorption module is slidably arranged on the track, at least two ropes are connected to the upper end of the purification adsorption module, the upper ends of the ropes are wound on a winding roller, a motor is arranged on the top of the dam, the motor drives the winding roller to drive the plurality of purification adsorption modules to move up and down, the tail water of the breeding area releases kinetic energy, so that the water in the tail water storage and regulation pool is fluctuated, the water body is stirred to hit the purification adsorption module, a high-pressure water flow pipe group is arranged on the top of the dam, the nozzles of the high-pressure water flow pipe group are above a drainage tank, the drainage tank is provided with a filter layer, a drainage pipeline connected to the tail water storage and regulation pool is arranged below the filter layer, a drainage surface cover densely covered with water-permeable holes is arranged above the drainage tank, the purification adsorption module is pulled upward to the top of the dam and below the water outlet of the high-pressure water flow pipe group, the purification adsorption module has a filter material placement layer and a purification material mounting part, at least one side of the filter material placement layer and the purification material mounting part is exposed to the water body, and the filter material placement layer and the purification material mounting part have an opening structure facilitating the disassembly and assembly of the material.

2. The ecological tailwater treatment system of claim 1, wherein: The salt-tolerant plant area is connected with a plurality of microalgae purification pools, each microalgae purification pool is connected with the shellfish biological filter pool, and the water flow communication control system is used for realizing the forward and reverse bidirectional water flow control.

3. An ecological tailwater treatment system according to claim 1 or 2, characterised in that: The obtained solidified sediment of the sediment solidification pool is transported to a vegetable planting area as vegetable planting soil.

4. An ecological tailwater treatment system in accordance with either of claims 1 or 2, characterized by: The water inlet pipe group is immersed in the tail water storage and regulation pool, the water inlet pipe group comprises a first water inlet end connected with the purification area, a second water inlet end connected with an external water source and a water outlet end connected with the breeding area, the water inlet pipe group comprises repeatedly bent pipelines, a pipeline support is arranged below the water inlet pipe group, and the pipeline support is fixed to the bottom of the tail water storage and regulation pool, the water inlet pipe group has a bent heat exchange pipeline which is deep into the water body of the breeding area, and the water outlet end is located at the end of the bent heat exchange pipeline and drains water to the breeding area.

5. The ecological tailwater treatment system of claim 1, wherein: The purification adsorption module comprises a box with water-permeable holes, the front of the box is provided with a filter material mounting groove, the back of the box is divided into a plurality of purification material mounting grooves, the filter material mounting groove and the purification material mounting groove are both provided with a flip cover plate densely provided with water-permeable holes, the flip cover plate is provided with a lock catch capable of being buckled with the box, the filter material mounting groove is filled with an integrated filter material, and the purification material mounting groove is filled with purification material.

6. The ecological tailwater treatment system of claim 5, wherein: The upper part of the tail water storage adjusting pool is provided with a cascade gas pipe network, the cascade gas pipe network extends downwardly to vertical pipes, the lower ends of the vertical pipes are supported on the bottom of the cascade gas filling pool, rotating nozzles and stirring blades are mounted on the vertical pipes, the rotating nozzles have at least four nozzles which are tangentially outwardly arranged along the rotating track of the rotating nozzles, and high-pressure gas is sprayed from the nozzles to form a reverse thrust to drive the rotating nozzles to rotate, thereby driving the stirring blades to rotate and stir, and the stirred water body is more frequently and powerfully splashed on the purification adsorption module.

7. The ecological tailwater treatment system of claim 1 or 2, wherein: The cascade gas filling pool is arranged and connected between the filler denitrification pool and the secondary sedimentation pool.

8. The ecological tailwater treatment system of claim 7, wherein: The cascade gas filling pool is arranged and connected between the filler denitrification pool and the secondary sedimentation pool.

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