A tailwater treatment and recycling system for aquaculture

Abstract

The present invention provides a tailwater treatment and recycling system for aquaculture, which identifies the global water body inside the culture pond, determines the tailwater distribution state information inside the culture pond, and adjusts the operation state of tailwater extraction from the culture pond; also performs non-contact scanning detection on the water body inside the sedimentation tank, analyzes the sedimentation action data of the sedimentation water body inside the sedimentation tank, and analyzes the sedimentation action data to ensure that the sediment is precipitated as completely as possible; then determines the reaction progress information inside the decomposition tank, and then adjusts the decomposition reaction environmental conditions inside the decomposition tank to effectively reduce the nutrient concentration of the tailwater; also adjusts the transportation state of the tailwater that has completed the decomposition reaction and is circulated and injected into the culture pond according to the real-time culture state information of the culture pond, and adjusts the oxygenation operation of the tailwater that has completed the decomposition reaction according to the oxygen content of the water body in the culture pond, to ensure that the culture pond can continuously and stably obtain a clean and high-oxygen content circulating water supply.

Description

Technical Field

[0001] The invention relates to the field of water treatment, and in particular to a tail water treatment and recycling system for aquaculture. Background Art

[0002] Water quality is a necessary consideration for aquaculture. During the aquaculture process, the metabolic activities of aquatic products will excrete metabolites into the water body and consume oxygen inside the water body, causing the water quality to deteriorate and failing to provide a clean and stable water quality environment for the growth of aquatic products. In order to ensure a stable and continuous supply of clean water circulation for aquaculture, it is necessary to extract and purify the tail water in the breeding pond in a timely manner, and then re-inject the purified tail water into the breeding pond to achieve effective water circulation in the breeding pond. The existing tail water circulation purification treatment only continuously extracts and purifies the tail water from a specific area of ​​the breeding pond, and then injects the purified tail water into the breeding pond in a targeted manner. It does not perform comprehensive tail water treatment based on the actual tail water distribution of the breeding pond, and cannot ensure that the global water body of the breeding pond can obtain effective purified water circulation. Summary of the invention

[0003] The purpose of the present invention is to provide a tailwater treatment and recycling system for aquaculture, which identifies the global water body inside the aquaculture pond, determines the tailwater distribution status information inside the aquaculture pond, and adjusts the operation state of tailwater extraction from the aquaculture pond to ensure comprehensive and complete extraction of tailwater from the aquaculture pond; it also performs non-contact scanning detection on the water body inside the sedimentation tank, analyzes the sedimentation action data of the sedimentation action data of the water body inside the sedimentation tank, and analyzes the sedimentation action data to determine whether the water body inside the sedimentation tank has been precipitated, thereby ensuring comprehensive and thorough sedimentation and filtration of the sediment; and then the tailwater inside the decomposition tank is The decomposition process is monitored to obtain the decomposition reaction output data of the tail water, so as to determine the reaction progress information inside the decomposition tank, and then adjust the decomposition reaction environmental conditions inside the decomposition tank to maximize the biological decomposition reaction inside the decomposition tank and effectively reduce the nutrient concentration of the tail water; according to the real-time breeding status information of the breeding pond, the transportation status of the tail water that has completed the decomposition reaction and is circulated and injected into the breeding pond is adjusted, and according to the oxygen content of the water in the breeding pond, the oxygenation operation of the tail water that has completed the decomposition reaction is adjusted to ensure that the breeding pond can continuously and stably obtain a supply of clean and high-oxygen content circulating water.

[0004] The present invention is achieved through the following technical solutions:

[0005] A tailwater treatment and recycling system for aquaculture, comprising:

[0006] The tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required;

[0007] A tail water extraction control module, used for adjusting the operation state of extracting tail water from the aquaculture pond according to the water body area state information, so as to transfer the extracted tail water to the sedimentation tank;

[0008] The sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been completely precipitated;

[0009] A tail water transfer control module is used to adjust the extraction operation state of transferring the tail water in the sedimentation tank to the decomposition tank according to the water characteristic information in the sedimentation tank when the water in the sedimentation tank has been completely precipitated;

[0010] A biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; and determine the reaction progress information of the decomposition reaction in the decomposition tank according to the decomposition reaction output data;

[0011] A reaction environment adjustment module, used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information;

[0012] The water circulation control module is used to adjust the conveying state of the tail water that has completed the decomposition reaction and is circulated and injected into the inside of the breeding pond according to the real-time breeding state information of the breeding pond; and to adjust the oxygenation operation of the tail water that has completed the decomposition reaction according to the oxygen content of the water in the breeding pond.

[0013] Optionally, the tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; and according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required, including:

[0014] Perform distributed water quality detection on the global water body inside the aquaculture pond to obtain pollutant concentration change data of different areas of the global water body; analyze the pollutant concentration change data to obtain the average pollutant concentration value and pollutant concentration change rate value of the area in a preset time period; if the average pollutant concentration value is greater than a preset concentration threshold and the pollutant concentration change rate value is less than a preset rate threshold, the area is considered to be a tail water existence area, and the position information of the tail water existence area inside the aquaculture pond is calibrated as the tail water distribution state information;

[0015] According to the tail water distribution status information, water flow detection is performed on all tail water existing areas inside the breeding pond respectively to obtain the water flow velocity information of all tail water existing areas, and then the water flow velocity information and water volume information of all tail water existing areas are used as the water area status information of the breeding pond where tail water extraction is required.

[0016] Optionally, the tail water extraction control module is used to adjust the operation state of extracting tail water from the aquaculture pond according to the water area state information, so as to transfer the extracted tail water to the sedimentation tank, including:

[0017] According to the water flow velocity information and water volume information of the tail water existence area, the water flow simulation processing is performed on the tail water existence area to determine the water flow path information inside the tail water existence area; based on the water flow path information, the extraction direction and extraction rate of tail water extraction in the tail water existence area are adjusted, and the extracted tail water is transferred to the sedimentation tank.

[0018] Optionally, the sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including:

[0019] Laser irradiation detection is performed on the water body inside the sedimentation tank during the sedimentation process to obtain scattering spectrum characteristic information of the water body to the laser; according to the scattering spectrum characteristic information, sediment settling velocity distribution data of the water body inside the sedimentation tank is obtained; wherein the sediment settling velocity distribution data includes the sedimentation velocity distribution data of all sediments on the cross sections corresponding to different water body depths of the water body inside the sedimentation tank;

[0020] The sediment settling velocity distribution data is analyzed to obtain sediment settling velocity change trend information inside the sedimentation tank; and then, based on the sediment settling velocity change trend information, it is determined whether the water inside the sedimentation tank has been completely settled.

[0021] Optionally, the sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including:

[0022] Step S1, when performing non-contact scanning detection on the water body inside the sedimentation tank, the water body is subjected to non-contact scanning detection in multiple directions, and the following formula (1) is used to select the main detection direction for continued scanning detection based on the sediment settling action data of the water body inside the sedimentation tank detected by non-contact scanning in multiple directions.

[0023]

[0024] In the above formula (1), A1 indicates that the A1th direction is selected as the main detection direction for continued scanning and detection; A2 indicates that the A2th direction is selected as the main detection direction for continued scanning and detection; N(a) indicates the number of sediments in the moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the ath direction; V a (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the ath direction; D represents the total number of directions detected by non-contact scanning in multiple directions; It means to substitute the value of a from 1 to D into the brackets to get the value of a when the maximum value is obtained in the brackets;

[0025] Step S2, using the following formula (2), based on the sedimentation action data of the water body in the sedimentation tank detected in the main detection direction, it is determined whether the water body in the sedimentation tank has been completely precipitated in the main detection direction.

[0026]

[0027] In the above formula (2), P(A1) represents the detection value for screening out whether sedimentation is completed in the A1th direction; P(A2) represents the detection value for screening out whether sedimentation is completed in the A2th direction; N(A1) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A1th direction; N(A2) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A2th direction; V A1 (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the A1th direction; V A2(i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by the non-contact scanning in the A2 direction; IF[] represents a judgment function, if the formula in the brackets is established, the function value of the judgment function is 1, if the formula in the brackets is not established, the function value of the judgment function is 0;

[0028] Step S3, using the following formula (3), based on the detection value of whether the water in the sedimentation tank has been completely precipitated in the main detection direction, it is determined whether the water in the sedimentation tank has been completely precipitated.

[0029] E=IF[P(A1)=1]&IF[P(A2)=1] (3)

[0030] In the above formula (3), E represents the judgment value of whether the water in the sedimentation tank has been completely precipitated; & represents the logical relationship and;

[0031] If E=1, it means that the water inside the sedimentation tank has completely settled;

[0032] If E=0, it means that the water inside the sedimentation tank has not been completely settled.

[0033] Optionally, the tail water transfer control module is used to adjust the extraction operation state of transferring the tail water in the sedimentation tank to the decomposition tank according to the water characteristic information in the sedimentation tank when the water in the sedimentation tank is completely precipitated, including:

[0034] When the water in the sedimentation tank is completely precipitated, the water distribution position of the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state is obtained, and according to the water distribution position information, the real-time area of ​​the extraction operation for transferring the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state to the decomposition tank is adjusted.

[0035] Optionally, the biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; and determine the reaction progress information of the decomposition reaction in the decomposition tank according to the decomposition reaction output data, including:

[0036] The tail water decomposition process in the decomposition tank is monitored to obtain the decomposition reaction gas output rate change data and the decomposition reaction temperature change data of the tail water;

[0037] The decomposition reaction gas output rate change data and the decomposition reaction temperature change data are analyzed to obtain reaction progress information of the decomposition reaction inside the decomposition tank.

[0038] Optionally, the reaction environment adjustment module is used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information, including:

[0039] According to the reaction progress information, it is judged whether the decomposition reaction inside the decomposition pool is in a completion state; when the decomposition reaction inside the decomposition pool is in a completion state, the oxygen supply rate inside the decomposition pool is reduced; when the decomposition reaction inside the decomposition pool is not in a completion state, the oxygen supply rate inside the decomposition pool is increased.

[0040] Optionally, the water circulation control module is used to adjust the conveying state of the tail water after the decomposition reaction to be circulated and injected into the inside of the aquaculture pond according to the real-time aquaculture state information of the aquaculture pond; and to adjust the oxygenation operation of the tail water after the decomposition reaction according to the oxygen content of the water in the aquaculture pond, including:

[0041] The water deficit information inside the breeding pond is determined based on the real-time aquatic product distribution density information of the breeding pond; the flow rate value of the tail water that has completed the decomposition reaction and is circulated and injected into the breeding pond is adjusted based on the water deficit information; and the rate of decrease of the oxygen content in the water body of the breeding pond is determined based on the oxygen content change data of the breeding pond; and the oxygenation delivery rate of the tail water that has completed the decomposition reaction is increased based on the oxygen content decrease rate of the water body.

[0042] Compared with the prior art, the present invention has the following beneficial effects:

[0043] The tailwater treatment and recycling system for aquaculture provided by the present application identifies the global water body inside the breeding pond, determines the tailwater distribution status information inside the breeding pond, and adjusts the operation status of tailwater extraction from the breeding pond to ensure comprehensive and complete extraction of tailwater from the breeding pond; it also performs non-contact scanning and detection on the water body inside the sedimentation tank, analyzes the sedimentation action data of the sedimentation action data of the water body inside the sedimentation tank, and analyzes the sedimentation action data to determine whether the water body inside the sedimentation tank has been completely precipitated, ensuring comprehensive and thorough sedimentation and filtration of the sediment; then monitors the tailwater decomposition process inside the decomposition tank to obtain the decomposition reaction output data of the tailwater, thereby determining the reaction progress information inside the decomposition tank, and then adjusts the decomposition reaction environmental conditions inside the decomposition tank to maximize the biological decomposition reaction inside the decomposition tank and effectively reduce the nutrient concentration of the tailwater; it also adjusts the transportation status of the tailwater that has completed the decomposition reaction and is circulated and injected into the breeding pond according to the real-time breeding status information of the breeding pond, and adjusts the oxygenation operation of the tailwater that has completed the decomposition reaction according to the oxygen content of the water body in the breeding pond, to ensure that the breeding pond can continuously and stably obtain a clean and high-oxygen content circulating water supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the prior art descriptions. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. Among them:

[0045] Figure 1 A schematic structural diagram of a tail water treatment and recycling system for aquaculture provided by the present invention. DETAILED DESCRIPTION

[0046] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. It is understandable that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some structures related to the present application are shown in the accompanying drawings, rather than all structures. According to the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0047] The terms "including" and "having" and any variations thereof in this application are intended to cover non-exclusive inclusions. For example, a process, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, systems, products or devices.

[0048] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0049] See also Figure 1 As shown, an embodiment of the present application provides a tail water treatment and recycling system for aquaculture. The tail water treatment and recycling system for aquaculture includes:

[0050] The tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required;

[0051] A tail water extraction control module is used to adjust the operation state of extracting tail water from the aquaculture pond according to the state information of the water area, so as to transfer the extracted tail water to the sedimentation tank;

[0052] The sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been completely precipitated;

[0053] The tail water transfer control module is used to adjust the extraction operation state of transferring the tail water in the sedimentation tank to the decomposition tank according to the water characteristic information in the sedimentation tank when the water in the sedimentation tank is completely precipitated;

[0054] The biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; according to the decomposition reaction output data, determine the reaction progress information of the decomposition reaction in the decomposition tank;

[0055] A reaction environment adjustment module, used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information;

[0056] The water circulation control module is used to adjust the conveying state of the tail water that has completed the decomposition reaction and is circulated and injected into the breeding pond according to the real-time breeding status information of the breeding pond; and to adjust the oxygenation operation of the tail water that has completed the decomposition reaction according to the oxygen content of the water in the breeding pond.

[0057] The beneficial effects of the above embodiments are as follows: the tailwater treatment and recycling system for aquaculture can identify the global water body inside the aquaculture pond, determine the tailwater distribution status information inside the aquaculture pond, and adjust the operation status of the tailwater extraction from the aquaculture pond to ensure the comprehensive and complete extraction of the tailwater from the aquaculture pond; it can also perform non-contact scanning and detection on the water body inside the sedimentation tank, analyze the sedimentation action data of the sedimentation water body inside the sedimentation tank, analyze the sedimentation action data, judge whether the water body inside the sedimentation tank has been precipitated, and ensure the comprehensive and thorough sedimentation and filtration of the sediment; and then the tailwater inside the decomposition tank The decomposition process is monitored to obtain the decomposition reaction output data of the tail water, so as to determine the reaction progress information inside the decomposition tank, and then adjust the decomposition reaction environmental conditions inside the decomposition tank to maximize the biological decomposition reaction inside the decomposition tank and effectively reduce the nutrient concentration of the tail water; according to the real-time breeding status information of the breeding pond, the transportation status of the tail water that has completed the decomposition reaction and is circulated and injected into the breeding pond is adjusted, and according to the oxygen content of the water in the breeding pond, the oxygenation operation of the tail water that has completed the decomposition reaction is adjusted to ensure that the breeding pond can continuously and stably obtain a supply of clean and high-oxygen content circulating water.

[0058] In another embodiment, the tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required, including:

[0059] Conduct distributed water quality detection on the global water body inside the aquaculture pond to obtain pollutant concentration change data of different areas of the global water body; analyze the pollutant concentration change data to obtain the average pollutant concentration value and pollutant concentration change rate value of the area in a preset time period; if the average pollutant concentration value is greater than the preset concentration threshold and the pollutant concentration change rate value is less than the preset rate threshold, the area belongs to the tail water existence area, and the position information of the tail water existence area inside the aquaculture pond is calibrated as the tail water distribution state information;

[0060] According to the tail water distribution status information, water flow detection is performed on all tail water existing areas inside the breeding pond to obtain the water flow velocity information of all tail water existing areas respectively, and then the water flow velocity information and water volume information of all tail water existing areas are used as the water area status information of the breeding pond where tail water extraction is required.

[0061] The beneficial effects of the above embodiments are that the tail water formed in aquaculture has the characteristics of high pollutant concentration and low oxygen content, and the more densely distributed the aquatic products are in the aquaculture pond, the greater the corresponding tail water content is. The global water body inside the aquaculture pond is subjected to distributed water quality detection to obtain the pollutant concentration change data of different regions of the global water body (i.e., the pollutant concentration distribution change data within a preset time period), and then the pollutant concentration change data is analyzed to obtain the average pollutant concentration value and the pollutant concentration change rate value of the region in the preset time period, and the average pollutant concentration value and the pollutant concentration change rate value are compared by thresholds to determine whether the pollutants in the region diffuse outward. If the average pollutant concentration value is greater than the preset concentration threshold and the pollutant concentration change rate value is less than the preset rate threshold, it indicates that the pollutants in the region have not diffused outward in time, so that the water body inside the region becomes tail water, and the tail water distribution status information of the aquaculture pond is obtained. Based on the tail water distribution status information, water flow detection is performed on all tail water areas inside the breeding pond to obtain the water flow velocity information of all tail water areas, and the water volume information of all tail water areas is combined as the water area status information of the breeding pond where tail water extraction is required, so as to comprehensively identify the tail water distribution of the breeding pond and provide a reliable basis for the subsequent accurate extraction of tail water from the breeding pond.

[0062] In another embodiment, the tail water extraction control module is used to adjust the operation state of extracting tail water from the aquaculture pond according to the water body area state information, so as to transfer the extracted tail water to the sedimentation tank, including:

[0063] According to the water flow velocity information and water volume information of the tail water existence area, the water flow simulation processing is carried out on the tail water existence area to determine the water flow path information inside the tail water existence area; based on the water flow path information, the extraction direction and extraction rate of tail water extraction in the tail water existence area are adjusted to transfer the extracted tail water to the sedimentation tank.

[0064] The beneficial effect of the above embodiment is that, according to the water flow velocity information and water volume information of the tail water existence area, the water flow simulation processing is performed on the tail water existence area, and the water flow path information inside the tail water existence area is determined, so as to adjust the extraction direction and extraction rate of the tail water in the tail water existence area, and transfer the extracted tail water to the sedimentation tank, so as to ensure that all tail water inside the breeding pond is extracted and transferred to the sedimentation tank in a timely and comprehensive manner.

[0065] In another embodiment, the sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; and analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including:

[0066] Laser irradiation detection is performed on the water body inside the sedimentation tank during the sedimentation process to obtain scattering spectrum characteristic information of the water body to the laser; according to the scattering spectrum characteristic information, sediment settling velocity distribution data of the water body inside the sedimentation tank is obtained; wherein the sediment settling velocity distribution data includes the sedimentation velocity distribution data of all sediments on the cross sections corresponding to different water body depths of the water body inside the sedimentation tank;

[0067] The sediment settling velocity distribution data is analyzed to obtain the sediment settling velocity change trend information inside the sedimentation tank; and then based on the sediment settling velocity change trend information, it is determined whether the water body inside the sedimentation tank has been completely settled.

[0068] The beneficial effect of the above embodiment is that when the water body inside the sedimentation tank is in the process of sedimentation, the sediments at different positions inside the water body have different sedimentation speeds. When the laser is irradiated to the sediments with different sedimentation speeds, the sediments have different scattering efficiencies for the laser irradiated thereon, and the difference in scattering efficiency has a corresponding regular relationship with the sedimentation speed of the sediments. By performing laser irradiation detection on the water body inside the sedimentation tank during the sedimentation process, the scattering spectrum characteristic information of the water body to the laser is obtained; according to the scattering spectrum characteristic information, the sedimentation speed distribution data of the sediment inside the sedimentation tank water body is obtained, so as to accurately and comprehensively calibrate the sedimentation speed of the sediment inside the sedimentation tank water body. The sedimentation speed distribution data of the sediment is also analyzed to obtain the sedimentation speed change trend information of the sediment inside the sedimentation tank. When the sedimentation speed change trend information indicates that the overall sedimentation speed of the sediment gradually tends to zero, it is determined that the sedimentation of the water body inside the sedimentation tank is completed; otherwise, it is determined that the sedimentation of the water body inside the sedimentation tank is not completed, which can facilitate the subsequent directional extraction and transfer of the tail water that has been precipitated.

[0069] In another embodiment, the sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; and analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including:

[0070] Step S1, when performing non-contact scanning detection on the water body inside the sedimentation tank, the water body is subjected to non-contact scanning detection in multiple directions, and the following formula (1) is used to select the main detection direction for continued scanning detection based on the sediment settling action data of the water body inside the sedimentation tank detected by non-contact scanning in multiple directions.

[0071]

[0072] In the above formula (1), A1 indicates that the A1th direction is selected as the main detection direction for continued scanning and detection; A2 indicates that the A2th direction is selected as the main detection direction for continued scanning and detection; N(a) indicates the number of sediments in the mobile state in the sedimentation action data of the water body inside the sedimentation tank detected by non-contact scanning in the ath direction; V a (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the ath direction; D represents the total number of directions detected by non-contact scanning in multiple directions; It means to substitute the value of a from 1 to D into the brackets to get the value of a when the maximum value is obtained in the brackets;

[0073] Step S2, using the following formula (2), based on the sedimentation action data of the water body in the sedimentation tank detected in the main detection direction, it is determined whether the water body in the sedimentation tank has been completely precipitated in the main detection direction.

[0074]

[0075] In the above formula (2), P(A1) represents the detection value for screening out whether sedimentation is completed in the A1th direction; P(A2) represents the detection value for screening out whether sedimentation is completed in the A2th direction; N(A1) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A1th direction; N(A2) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A2th direction; V A1 (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the A1th direction; V A2 (i) represents the moving speed of the ith sediment in the sedimentation action data of the internal water body of the sedimentation tank detected by non-contact scanning in the A2th direction; IF[] represents a judgment function, if the formula in the brackets is established, the function value of the judgment function is 1, if the formula in the brackets is not established, the function value of the judgment function is 0;

[0076] Step S3, using the following formula (3), based on the detection value of whether the water in the sedimentation tank has been completely precipitated in the main detection direction, it is determined whether the water in the sedimentation tank has been completely precipitated.

[0077] E=IF[P(A1)=1]&IF[P(A2)=1] (3)

[0078] In the above formula (3), E represents the judgment value of whether the water in the sedimentation tank has been completely precipitated; & represents the logical relationship and;

[0079] If E = 1, it means that the water inside the sedimentation tank has completely settled;

[0080] If E=0, it means that the water inside the sedimentation tank has not been completely settled.

[0081] The beneficial effect of the above embodiment is that, by using the above formula (1), according to the sedimentation action data of the water body inside the sedimentation tank detected by non-contact scanning in multiple directions, the main detection direction is screened out for continued scanning and detection, so as to carry out targeted scanning and detection to ensure the efficient working ability of the system; then by using the above formula (2), according to the sedimentation action data of the water body inside the sedimentation tank detected in the main detection direction, it is judged whether the water body inside the sedimentation tank has been completely precipitated in the main detection direction, so as to perform a single analysis to obtain the precipitation result in each main detection direction; finally, by using the above formula (3), according to the detection value of whether the water body inside the sedimentation tank has been completely precipitated in the main detection direction, it is judged whether the water body inside the sedimentation tank has been completely precipitated, so as to obtain the final judgment by comprehensive consideration, thereby ensuring the accuracy and reliability of the system.

[0082] In another embodiment, the tail water transfer control module is used to adjust the extraction operation state of transferring the tail water inside the sedimentation tank to the decomposition tank according to the water characteristic information inside the sedimentation tank when the water inside the sedimentation tank is completely precipitated, including:

[0083] When the water in the sedimentation tank is completely precipitated, the water distribution position of the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state is obtained, and according to the water distribution position information, the extraction operation implementation area of ​​the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state is adjusted to be transferred to the decomposition tank.

[0084] The beneficial effect of the above embodiment is that when the water inside the sedimentation tank is completely precipitated, the water distribution position of the tail water that has been precipitated and is in a clarified state in the sedimentation tank is obtained, so as to adjust the real-time area of ​​the extraction operation for transferring the tail water that has been precipitated and is in a clarified state to the decomposition tank, thereby ensuring the comprehensive and accurate extraction and transfer of the tail water that has been precipitated and is in a clarified state, and avoiding the accidental extraction and transfer of sediment.

[0085] In another embodiment, the biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; according to the decomposition reaction output data, determine the reaction progress information of the decomposition reaction in the decomposition tank, including:

[0086] The tail water decomposition process in the decomposition tank is monitored to obtain the decomposition reaction gas output rate change data and the decomposition reaction temperature change data of the tail water;

[0087] The decomposition reaction gas output rate change data and the decomposition reaction temperature change data are analyzed to obtain the reaction progress information of the decomposition reaction inside the decomposition tank.

[0088] The beneficial effect of the above embodiment is that the decomposition tank is used to biologically decompose the tail water, specifically, the nutrients in the tail water are aerobic decomposed by bacteria to reduce the nutrient enrichment of the tail water, and the decomposition reaction inside the decomposition tank will generate heat and gas reaction products such as carbon dioxide or methane. The decomposition process of the tail water inside the decomposition tank is monitored to obtain the decomposition reaction gas output rate change data and the decomposition reaction temperature change data of the tail water, and the decomposition reaction gas output rate change data and the decomposition reaction temperature change data are analyzed to obtain the reaction progress information of the decomposition reaction inside the decomposition tank. When the decomposition reaction gas output rate gradually decreases and the decomposition reaction temperature gradually decreases, it indicates that the decomposition reaction inside the decomposition tank is approaching a completion state.

[0089] In another embodiment, the reaction environment adjustment module is used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information, including:

[0090] According to the reaction progress information, it is determined whether the decomposition reaction inside the decomposition pool is in a completed state; when the decomposition reaction inside the decomposition pool is in a completed state, the oxygen supply rate inside the decomposition pool is reduced; when the decomposition reaction inside the decomposition pool is not in a completed state, the oxygen supply rate inside the decomposition pool is increased.

[0091] The beneficial effect of the above embodiment is that, according to the reaction progress information, it is judged whether the decomposition reaction inside the decomposition pool is in a completed state; when the decomposition reaction inside the decomposition pool is in a completed state, the oxygen supply rate inside the decomposition pool is reduced, so that the decomposition reaction inside the decomposition pool can be stopped in time; when the decomposition reaction inside the decomposition pool is not in a completed state, the oxygen supply rate inside the decomposition pool is increased, so that the decomposition reaction speed inside the decomposition pool can be accelerated.

[0092] In another embodiment, the water circulation control module is used to adjust the conveying state of the tail water after the decomposition reaction to be circulated and injected into the inside of the aquaculture pond according to the real-time aquaculture state information of the aquaculture pond; and to adjust the oxygenation operation of the tail water after the decomposition reaction according to the oxygen content of the water in the aquaculture pond, including:

[0093] According to the real-time aquatic product distribution density information of the breeding pond, the water gap information inside the breeding pond is determined; according to the water gap information, the delivery flow value of the tail water that has completed the decomposition reaction and is circulated and injected into the breeding pond is adjusted; and according to the oxygen content change data of the water body in the breeding pond, the rate of decrease of the oxygen content in the water body in the breeding pond is determined; according to the rate of decrease of the oxygen content in the water body, the oxygenation delivery rate of the tail water that has completed the decomposition reaction is increased.

[0094] The beneficial effect of the above embodiment is that the water gap information (i.e., clean water gap information) inside the breeding pond is determined according to the real-time aquatic distribution density information of the breeding pond. Generally speaking, the greater the aquatic distribution density, the greater the water gap value inside the breeding pond. According to the water gap information, the flow rate of the tail water that has completed the decomposition reaction and is injected into the breeding pond is adjusted to ensure that the breeding pond can obtain sufficient clean water replenishment in time. According to the oxygen content change data of the water body of the breeding pond, the rate of decrease of the oxygen content of the water body of the breeding pond is determined, and according to the rate of decrease of the oxygen content of the water body, the oxygenation delivery rate of the tail water that has completed the decomposition reaction is increased, thereby replenishing sufficient oxygen for the water body of the breeding pond.

[0095] In general, the tailwater treatment and recycling system for aquaculture identifies the global water body inside the breeding pond, determines the tailwater distribution status information inside the breeding pond, and adjusts the operation status of tailwater extraction from the breeding pond to ensure comprehensive and complete extraction of tailwater from the breeding pond; it also performs non-contact scanning and detection on the water body inside the sedimentation tank, analyzes the sedimentation action data of the sedimentation water body inside the sedimentation tank, analyzes the sedimentation action data, and determines whether the water body inside the sedimentation tank has been completely precipitated, ensuring comprehensive and thorough sedimentation and filtration of the sediment; then monitors the tailwater decomposition process inside the decomposition tank to obtain the decomposition reaction output data of the tailwater, thereby determining the reaction progress information inside the decomposition tank, and then adjusts the decomposition reaction environmental conditions inside the decomposition tank to maximize the biological decomposition reaction inside the decomposition tank and effectively reduce the nutrient concentration of the tailwater; it also adjusts the transportation status of the tailwater that has completed the decomposition reaction and is circulated and injected into the breeding pond according to the real-time breeding status information of the breeding pond, and adjusts the oxygenation operation of the tailwater that has completed the decomposition reaction according to the oxygen content of the water body in the breeding pond, to ensure that the breeding pond can continuously and stably obtain a clean and high-oxygen content circulating water supply.

[0096] The above is only a specific implementation of the present invention, and any other improvements made based on the concept of the present invention are considered to be within the protection scope of the present invention.

Claims

1. A tailwater treatment and recycling system for aquaculture, characterized in that: include: The tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required; A tail water extraction control module, used for adjusting the operation state of extracting tail water from the aquaculture pond according to the water body area state information, so as to transfer the extracted tail water to the sedimentation tank; The sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been completely precipitated; A tail water transfer control module is used to adjust the extraction operation state of transferring the tail water in the sedimentation tank to the decomposition tank according to the water characteristic information in the sedimentation tank when the water in the sedimentation tank has been completely precipitated; A biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; and determine the reaction progress information of the decomposition reaction in the decomposition tank according to the decomposition reaction output data; A reaction environment adjustment module, used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information; A water circulation control module is used to adjust the conveying state of the tail water after the decomposition reaction to be circulated and injected into the inside of the aquaculture pond according to the real-time aquaculture state information of the aquaculture pond; and to adjust the oxygenation operation of the tail water after the decomposition reaction according to the oxygen content of the water in the aquaculture pond; The tailwater distribution identification module of the aquaculture pond is used to identify the global water body inside the aquaculture pond and determine the tailwater distribution status information inside the aquaculture pond; according to the tailwater distribution status information, determine the water body area status information inside the aquaculture pond where tailwater extraction is required, including: Perform distributed water quality detection on the global water body inside the aquaculture pond to obtain pollutant concentration change data of different areas of the global water body; analyze the pollutant concentration change data to obtain the average pollutant concentration value and pollutant concentration change rate value of the area in a preset time period; if the average pollutant concentration value is greater than a preset concentration threshold and the pollutant concentration change rate value is less than a preset rate threshold, the area is considered to be a tail water existence area, and the position information of the tail water existence area inside the aquaculture pond is calibrated as the tail water distribution state information; According to the tailwater distribution status information, water flow detection is performed on all tailwater existing areas in the aquaculture pond to obtain water flow velocity information of each tailwater existing area, and then the water flow velocity information and water volume information of each tailwater existing area are used as the water area status information of the aquaculture pond where tailwater extraction is required; The tail water extraction control module is used to adjust the operation state of extracting tail water from the aquaculture pond according to the water area state information, so as to transfer the extracted tail water to the sedimentation tank, including: According to the water flow velocity information and water volume information of the tail water existing area, the water flow simulation processing is performed on the tail water existing area to determine the water flow path information inside the tail water existing area; based on the water flow path information, the extraction direction and extraction rate of the tail water in the tail water existing area are adjusted to transfer the extracted tail water to the sedimentation tank; The sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including: Laser irradiation detection is performed on the water body inside the sedimentation tank during the sedimentation process to obtain scattering spectrum characteristic information of the water body to the laser; according to the scattering spectrum characteristic information, sediment settling velocity distribution data of the water body inside the sedimentation tank is obtained; wherein the sediment settling velocity distribution data of the sediment includes the sedimentation velocity distribution data of all sediments on the cross sections corresponding to different water body depths of the water body inside the sedimentation tank; Analyze the sediment settling velocity distribution data to obtain sediment settling velocity change trend information inside the sedimentation tank; and then determine whether the water inside the sedimentation tank has been completely settled based on the sediment settling velocity change trend information; The sediment dynamic identification module is used to perform non-contact scanning detection on the water body inside the sedimentation tank to obtain sediment settling action data of the water body inside the sedimentation tank; analyze the sediment settling action data to determine whether the water body inside the sedimentation tank has been precipitated, including: Step S1, when performing non-contact scanning detection on the water body inside the sedimentation tank, the water body is subjected to non-contact scanning detection in multiple directions, and the following formula (1) is used to select the main detection direction for continued scanning detection based on the sediment settling action data of the water body inside the sedimentation tank detected by non-contact scanning in multiple directions. In the above formula (1), A1 indicates that the A1th direction is selected as the main detection direction for continued scanning and detection; A2 indicates that the A2th direction is selected as the main detection direction for continued scanning and detection; N(a) indicates the number of sediments in the moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the ath direction; V a (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the ath direction; D represents the total number of directions detected by non-contact scanning in multiple directions; It means to substitute the value of a from 1 to D into the brackets to get the value of a when the maximum value is obtained in the brackets; Step S2, using the following formula (2), based on the sedimentation action data of the water body in the sedimentation tank detected in the main detection direction, it is determined whether the water body in the sedimentation tank has been completely precipitated in the main detection direction. In the above formula (2), P(A1) represents the detection value for screening out whether sedimentation is completed in the A1th direction; P(A2) represents the detection value for screening out whether sedimentation is completed in the A2th direction; N(A1) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A1th direction; N(A2) represents the number of sediments in a moving state in the sedimentation action data of the water body inside the sedimentation tank detected by the non-contact scanning in the A2th direction; V A1 (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by non-contact scanning in the A1th direction; V A2 (i) represents the moving speed of the ith sediment in the sedimentation action data of the water body in the sedimentation tank detected by the non-contact scanning in the A2 direction; IF[] represents a judgment function, if the formula in the brackets is established, the function value of the judgment function is 1, if the formula in the brackets is not established, the function value of the judgment function is 0; Step S3, using the following formula (3), based on the detection value of whether the water in the sedimentation tank has been completely precipitated in the main detection direction, it is determined whether the water in the sedimentation tank has been completely precipitated. E=IF[P(A1)=1]&IF[P(A2)=1] (3) In the above formula (3), E represents the judgment value of whether the water in the sedimentation tank has been completely precipitated; & represents the logical relationship and; If E=1, it means that the water inside the sedimentation tank has completely settled; If E=0, it means that the water inside the sedimentation tank has not been completely settled.

2. The tailwater treatment and recycling system for aquaculture according to claim 1, characterized in that: The tail water transfer control module is used to adjust the extraction operation state of transferring the tail water in the sedimentation tank to the decomposition tank according to the water characteristic information in the sedimentation tank when the water in the sedimentation tank has been precipitated, including: When the water in the sedimentation tank is completely precipitated, the water distribution position of the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state is obtained, and according to the water distribution position information, the real-time area of ​​the extraction operation for transferring the tail water in the sedimentation tank that has been completely precipitated and is in a clarified state to the decomposition tank is adjusted.

3. The tailwater treatment and recycling system for aquaculture according to claim 2, characterized in that: The biological decomposition monitoring module is used to monitor the decomposition process of the tail water in the decomposition tank to obtain the decomposition reaction output data of the tail water; according to the decomposition reaction output data, determine the reaction progress information of the decomposition reaction in the decomposition tank, including: The tail water decomposition process inside the decomposition tank is monitored to obtain the decomposition reaction gas output rate change data and the decomposition reaction temperature change data of the tail water; the decomposition reaction gas output rate change data and the decomposition reaction temperature change data are analyzed to obtain the reaction progress information of the decomposition reaction inside the decomposition tank.

4. The tailwater treatment and recycling system for aquaculture according to claim 3, characterized in that: The reaction environment adjustment module is used to adjust the decomposition reaction environment conditions inside the decomposition tank according to the reaction progress information, including: According to the reaction progress information, it is judged whether the decomposition reaction inside the decomposition pool is in a completion state; when the decomposition reaction inside the decomposition pool is in a completion state, the oxygen supply rate inside the decomposition pool is reduced; when the decomposition reaction inside the decomposition pool is not in a completion state, the oxygen supply rate inside the decomposition pool is increased.

5. The tailwater treatment and recycling system for aquaculture according to claim 4, characterized in that: The water circulation control module is used to adjust the conveying state of the tail water after the decomposition reaction to be circulated and injected into the inside of the aquaculture pond according to the real-time aquaculture state information of the aquaculture pond; and to adjust the oxygenation operation of the tail water after the decomposition reaction according to the oxygen content of the water in the aquaculture pond, including: Determine the water deficit information inside the aquaculture pond according to the real-time aquatic product distribution density information of the aquaculture pond; and adjust the delivery flow value of the tail water that has completed the decomposition reaction and is circulated and injected into the aquaculture pond according to the water deficit information; The decreasing rate of the oxygen content in the water of the aquaculture pond is determined according to the data of the change of the oxygen content in the water of the aquaculture pond; and the oxygenation delivery rate of the tail water that has completed the decomposition reaction is increased according to the decreasing rate of the oxygen content in the water.

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