Culture circulating water filtering device

Abstract

The utility model belongs to the technical field of cultivation circulating water filtering, and discloses a cultivation circulating water filtering device which comprises an oxygenation pump, a water inlet pump, a filtering tank body, a trash tank body, a water quality detection box and a control system, the filtering tank body is connected with an impurity removal assembly, and the impurity removal assembly comprises a backwashing assembly, a filtering base plate and a nylon net filtering pipe. The filter tank body is provided with a filter cavity, the nylon net filter pipe is provided with a port and a plurality of side holes, and the lower side of the filter tank body is connected with a water outlet pipe for discharging filtered water; the trash tank body is provided with a trash cavity, the trash tank body is connected with a trash discharge pipe for discharging trash, a water quality detection system is arranged in the water quality detection box, and the water quality detection system comprises a dissolved oxygen sensor, an ammonia nitrogen sensor and a pH value sensor. The whole filtering device is simple in structure, low in energy consumption and low in maintenance cost, and can be suitable for filtering different culture circulating water.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of breeding circulating water filtration, in particular to a breeding circulating water filtration device. BACKGROUND

[0002] With the development of the times, the breeding mode gradually enters the factory and industrial breeding from the initial pond comprehensive breeding; the "greenhouse + deep well seawater" factory water breeding mode is the most representative breeding mode, which rapidly promotes the boom of seawater breeding, greatly improves the water breeding yield, and also makes the breeding wastewater quantity continuously climb.

[0003] Most of the pollutants in the breeding wastewater are derived from the metabolism products of the breeding main body, residual feed and the like, mainly including ammonia nitrogen, nitrate, sulfate, phosphate, nitrite and organic matter and the like chemical substances. These pollutants exist in the water for a long time, greatly affect the growth and development of the breeding main body, and the water quality of the breeding water is crucial to the breeding main body. Therefore, the factory circulating water breeding mode is widely mentioned at present, the breeding wastewater is treated by the circulating water treatment mode, the breeding wastewater is recycled by the organic combination of physics, chemistry and biology, so as to be used for aquaculture again. However, the existing device has the following problems in the filtration of the breeding circulating water:

[0004] 1) high energy consumption: a large amount of energy is needed to maintain the circulation and treatment process during the filtration process, resulting in high energy consumption;

[0005] 2) high maintenance cost: the filter material needs to be replaced regularly, and the equipment needs to be cleaned, which increases the maintenance cost and workload;

[0006] 3) poor treatment effect on specific pollutants: the filtration method is single and cannot be applied to the filtration of different breeding circulating water. UTILITY MODEL CONTENT

[0007] The utility model intends to provide a breeding circulating water filtration device, which separates solid and liquid by using the nylon net in the impurity removal assembly, prevents blockage by using the backwashing assembly, collects the impurities through the nylon net, and completes the filtration of the breeding circulating water. The whole filtration device has simple structure, low energy consumption and low maintenance cost, and can be applied to the filtration of different breeding circulating water.

[0008] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a kind of breeding circulating water filtering device, including water inlet pump, filter tank and miscellaneous impurity tank, the filter tank is connected with impurity removal subassembly, the impurity removal subassembly includes backflushing subassembly, filter bottom disc and nylon screen filter tube, the filter bottom disc is connected with the filter tank, the nylon screen filter tube is communicated with the water inlet pump, and the backflushing subassembly is used to flush nylon screen filter tube;The filter tank is equipped with filter cavity, the nylon screen filter tube is opened with port and a plurality of side holes, a plurality of the side holes are equipped in the upper side of the filter cavity, and the lower side of the filter tank is also connected with water outlet pipe for discharging filtered water;The miscellaneous impurity tank is equipped with miscellaneous impurity cavity, the port is equipped in the upper side of the miscellaneous impurity cavity, and the miscellaneous impurity tank is connected with miscellaneous impurity discharge pipe for discharging miscellaneous impurities.

[0010] Further, the backflushing subassembly includes high-pressure water gun, and the outlet of the high-pressure water gun is arranged on the upper side of the nylon screen filter tube.

[0011] Further, the filter tank is also connected with water quality detection box, and the detection end of the water quality detection box is arranged on the inner side of the filter cavity for filtered water quality detection.

[0012] Further, the filtering device further includes an oxygenation pump, and the outlet of the oxygenation pump is arranged on the inner side of the filter cavity for oxygen supply to filtered water.

[0013] Further, the filtering device further includes a control system and a water quality detection system, and the water quality detection system is arranged on the inner side of the water quality detection box, the water quality detection system includes a dissolved oxygen sensor, an ammonia nitrogen sensor and a pH value sensor, the dissolved oxygen sensor is used for detecting the content of dissolved oxygen in the water body of the filter cavity, the ammonia nitrogen sensor is used for detecting the content of ammonia nitrogen in the water body of the filter cavity, and the pH value sensor is used for detecting the acidity and alkalinity of the water body of the filter cavity;The dissolved oxygen sensor, the ammonia nitrogen sensor, the pH value sensor, the backflushing subassembly and the oxygenation pump are electrically connected with the control system, and the control system controls the operation of the oxygenation pump according to the data detected by the dissolved oxygen sensor.

[0014] The technical scheme has the beneficial effects that:

[0015] 1、The utility model provides a kind of breeding circulating water filtering device, utilizes the nylon screen in impurity removal subassembly and makes solid-liquid separation, then is equipped with backflushing subassembly (high-pressure water gun) auxiliary prevention blockage, and the miscellaneous impurities are collected by nylon screen, and the filtration of breeding circulating water is completed.It is relative to traditional filtering mode, and the circulating water is not needed to be transferred as a whole, and it is efficient, energy-saving.

[0016] 2. The aquaculture circulating water filtration device provided by this utility model has a simple overall structure. It uses a pump to inject organic solution, a cleansing component to physically filter the organic solution (i.e., circulating water), a filter base plate to support the filter pipe, and a backwash water gun to rinse the filter screen. Each component has a simple and independent function, making it easy to operate. At the same time, the operation requirements are low, making it easy for those skilled in the art to accept and use.

[0017] 3. This utility model provides a filtration device for aquaculture recirculating water. The control system detects the water quality coefficient in the filtration tank and the frequency of the high-pressure water gun activation by the impurity removal component through sensors, and automatically adjusts the correlation parameters between the two based on the monitoring results. Furthermore, based on the data collected by the sensors, the control system automatically adjusts the frequency of the backwashing component. For example, when the detected amount of solid particles is large, the control system can increase the backwashing frequency of the backwashing component to improve the filtration effect of the nylon mesh. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the structure of a water circulation filtration device for aquaculture according to the present invention.

[0019] The names of the corresponding labels in the attached diagram are:

[0020] Filter tank 1, filter cavity 2, oxygenation pump 3, inlet water pump 4, backwashing assembly 5, filter base 6, nylon mesh filter tube 7, dirt cavity 8, dirt drain pipe 9, dirt tank 10, water quality testing box 11, outlet pipe 12. Detailed Implementation

[0021] The present invention will now be described in further detail with reference to the accompanying drawings and embodiments:

[0022] like Figure 1 As shown, a filtration device for aquaculture recirculating water includes an oxygenation pump 3, an inlet water pump 4, a filter tank 1, a sludge tank 10, a water quality testing box 11, and a control system. The filter tank 1 is connected to a sludge removal component, which includes a backwashing component 5, a filter base 6, and a nylon mesh filter tube 7. The filter base 6 is connected to the filter tank 1, and the nylon mesh filter tube 7 is connected to the inlet water pump 4. The backwashing component 5 includes a high-pressure water gun, which is located on the upper side of the nylon mesh filter tube 7 and is used to rinse the parts of the nylon mesh filter tube 7 where sludge easily accumulates. The filter tank 1 has a filter cavity 2, and the nylon mesh filter tube 7 has an opening and several side holes, which are located on the upper side of the filter cavity 2. The lower side of the filter tank 1 is also connected to an outlet pipe 12 for discharging filtered water. The sludge tank 10 has a sludge cavity 8, with an opening located on the upper side of the sludge cavity 8. The sludge tank 10 is connected to a sludge discharge pipe 9 for discharging sludge.

[0023] The water quality detection box 11 is connected with the filter tank body 1, and a detection end of the water quality detection box 11 is arranged at the inner side of the filter cavity 2 for filtering water quality detection. A water quality detection system is arranged in the water quality detection box 11, and the water quality detection system comprises a dissolved oxygen sensor, an ammonia nitrogen sensor and a pH value sensor. The dissolved oxygen sensor is used for detecting the content of dissolved oxygen in the water body in the filter cavity 2, the ammonia nitrogen sensor is used for detecting the content of ammonia nitrogen in the water body in the filter cavity 2, and the pH value sensor is used for detecting the acid-base degree of the water body in the filter cavity 2. The dissolved oxygen sensor, the ammonia nitrogen sensor, the pH value sensor, the backwashing assembly 5 and the oxygenation pump 3 are electrically connected with the control system. The control system controls the operation of the oxygenation pump 3 according to the data detected by the dissolved oxygen sensor. The outlet of the oxygenation pump 3 is arranged at the inner side of the filter cavity 2 for oxygen supply to the filtered water.

[0024] The specific implementation process is as follows:

[0025] Step one, the aquaculture circulating water to be treated in the aeration tank is continuously introduced into the nylon mesh filter pipe 7 through the water inlet by the water inlet pump 4.

[0026] Step two, the backwashing assembly 5 is started, and the high-pressure water gun is used to continuously flush in the opposite direction of the accumulated impurities in the nylon mesh filter pipe 7, so as to prevent the filtered impurities from accumulating on the filter base 6. The filtered impurities rely on the gravitational potential energy to be discharged into the impurity cavity 8 along the nylon mesh filter pipe 7, and finally discharged through the impurity discharge pipe 9.

[0027] Step three, the oxygenation pump 3 is used to supply oxygen to the separated aquaculture filtered water in the filter cavity 2, so as to decompose the nitrate in the filtered water. The water quality detection box 11 arranged outside the filter tank body 1 can detect various parameters of the aquaculture filtered water in the filter cavity 2. After the nitrate in the aquaculture filtered water is fully decomposed, the aquaculture filtered water is discharged from the water outlet pipe 12 at the lower side of the filter tank body 1, that is, the filtration of the aquaculture circulating water is completed.

[0028] The dissolved oxygen sensor is used for measuring the content of dissolved oxygen in the water body in the filter cavity 2, the ammonia nitrogen sensor is used for measuring the content of ammonia nitrogen in the water body in the filter cavity 2, and the pH value sensor is used for measuring the acid-base degree of the water body in the filter cavity 2. The dissolved oxygen sensor, the ammonia nitrogen sensor, the pH value sensor and the oxygenation pump 3 are electrically connected with the control system, and the operation of the oxygenation pump 3 is controlled according to the data detected by the dissolved oxygen sensor.

[0029] The above only is the embodiment of the present application, and the well-known specific technical solutions or common knowledge in the scheme are not described in detail. It should be pointed out that, for those skilled in the art, without departing from the technical solutions of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A water filtration device for aquaculture recirculation, characterized in that, The system includes an inlet water pump, a filter tank, and a sludge tank. The filter tank is connected to a sludge removal assembly, which includes a backwashing assembly, a filter base, and a nylon mesh filter tube. The filter base is connected to the filter tank, and the nylon mesh filter tube is connected to the inlet water pump. The backwashing assembly is used to rinse the nylon mesh filter tube. The filter tank has a filter cavity, and the nylon mesh filter tube has a port and several side holes. The side holes are located on the upper side of the filter cavity, and the lower side of the filter tank is connected to an outlet pipe for discharging filtered water. The sludge tank has a sludge cavity, and the port is located on the upper side of the sludge cavity. The sludge tank is connected to a sludge discharge pipe for discharging sludge.

2. The aquaculture recirculating water filtration device according to claim 1, characterized in that, The backwashing assembly includes a high-pressure water gun, the outlet of which is located on the upper side of the nylon mesh filter tube.

3. The aquaculture recirculating water filtration device according to claim 1, characterized in that, The filter tank is also connected to a water quality testing box, the testing end of which is located inside the filter chamber for testing the quality of the filtered water.

4. The aquaculture recirculating water filtration device according to claim 3, characterized in that, The filtration device also includes an oxygenation pump, the outlet of which is located inside the filtration chamber for supplying oxygen to the filtered water.

5. The aquaculture recirculating water filtration device according to claim 4, characterized in that, The filtration device also includes a control system and a water quality monitoring system. The water quality monitoring system is located inside the water quality monitoring tank and includes a dissolved oxygen sensor, an ammonia nitrogen sensor, and a pH sensor. The dissolved oxygen sensor is used to detect the dissolved oxygen content in the water in the filtration chamber, the ammonia nitrogen sensor is used to detect the ammonia nitrogen content in the water in the filtration chamber, and the pH sensor is used to detect the acidity or alkalinity of the water in the filtration chamber. The dissolved oxygen sensor, ammonia nitrogen sensor, pH sensor, backwashing assembly, and aeration pump are all electrically connected to the control system. The control system controls the operation of the aeration pump based on the data detected by the dissolved oxygen sensor.

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