Aquatic animal nutrition experiment feces collection device
By designing a fecal collection device for aquatic animal nutrition experiments, the problem of difficult fecal collection in aquaculture has been solved, realizing convenient collection and preservation of feces, which is suitable for aquaculture analysis and long-term experiments.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- NEW HOPE LIUHE
- Filing Date
- 2025-06-06
- Publication Date
- 2026-07-07
AI Technical Summary
In aquaculture, manure collection is difficult and cannot be effectively used for aquaculture analysis and long-term experiments.
A device comprising a breeding module and a manure collection module was designed. The breeding module includes a breeding tank with a conical bottom and a porous mesh, while the manure collection module includes a sedimentation tank and a filter screen. The separation and collection of manure are achieved through drainage and collection pipelines.
It enables convenient collection and storage of manure, is suitable for aquaculture analysis and long-term experiments, and has a simple structure and is easy to use.
Smart Images

Figure CN224471339U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fecal collection equipment, and in particular to a fecal collection device for aquatic animal nutrition experiments. Background Technology
[0002] Nutrients in feed that are digested and absorbed by animals are called digestible nutrients. The percentage of digestible nutrients in feed relative to the total ingested nutrients is called digestibility. In aquaculture, feed digestibility is not only one of the methods for evaluating the nutritional value of feed, determining the utilization efficiency of compound feed, and verifying the rationality of feed formulation, but also has important reference value for studying the nutrient requirements of aquatic animals and assessing the impact of feed on the aquatic environment. Unlike livestock and poultry, the special living environment of aquatic animals makes manure collection more difficult. Utility Model Content
[0003] The purpose of this invention is to provide a simple and easy-to-use aquatic animal nutrition experiment manure collection device that can be conveniently collected for aquaculture analysis and can be used for long-term aquaculture experiments.
[0004] This utility model is achieved through the following measures:
[0005] A feces collection device for aquatic animal nutrition experiments, characterized in that it includes a breeding module and a feces collection module;
[0006] The aquaculture module includes an aquaculture tank with a conical bottom, a perforated mesh set at the bottom of the aquaculture tank, a drainage pipe installed at the center of the bottom of the aquaculture tank, and collection pipes and drainage pipes respectively set in different directions of the drainage pipe.
[0007] The fecal collection module includes a sedimentation tank, with an inlet pipe located at the center of the bottom of the sedimentation tank. The inlet pipe extends vertically upward from the collection pipeline, with its end penetrating the bottom of the sedimentation tank and being higher than the bottom of the sedimentation tank. A filter screen is installed around the inlet pipe and inside the sedimentation tank.
[0008] The specific features of this utility model also include:
[0009] The drainage pipe extends horizontally via a T-junction structure, forming the collection pipe and the drainage pipe extending vertically.
[0010] A drain ball valve is installed on the drain pipe, a collection ball valve is installed on the collection pipe, and an elbow is installed after the drain ball valve to allow the drain pipe to extend horizontally again.
[0011] The sedimentation tank is smaller than the aquaculture tank, and the bottom of the sedimentation tank is flush with the bottom of the aquaculture tank.
[0012] The filter frame includes an annular outer cylinder frame and an annular inner cylinder frame connected at the bottom, with the annular outer cylinder frame being higher than the annular inner cylinder frame;
[0013] A collection net sleeve is provided between the annular outer cylinder frame and the annular inner cylinder frame, and the collection net sleeve is provided on the annular outer cylinder frame and the annular inner cylinder frame to form a three-dimensional cylindrical structure.
[0014] The collecting net sleeve includes an outer net cylinder and an inner net cylinder. The inner net cylinder is located around the annular inner cylinder frame, and the outer net cylinder is located inside the annular outer cylinder frame. The bottoms of the outer net cylinder and the inner net cylinder are connected by annular mesh sheets.
[0015] The inlet pipe is provided with an installation cylinder at one end inside the sedimentation tank. An annular limiting pressure plate is provided around the top of the installation cylinder. The annular limiting pressure plate abuts against the annular inner cylinder frame. Preferably, the installation cylinder and the inlet pipe are connected by threads.
[0016] The top of the annular inner cylinder is slightly higher than the water inlet pipe, and the inner diameter of the annular inner cylinder is larger than the outer diameter of the water inlet pipe.
[0017] An overflow drain outlet is provided on one side of the top of the sedimentation tank. The overflow drain outlet is connected to the extension of the drainage pipeline through an overflow pipe. Preferably, a drainage pipe connected to the drainage pipeline is provided at the bottom of the sedimentation tank.
[0018] Before collecting aquatic animal feces, a filter screen is placed on an outer annular frame and an inner annular frame. The inner screen is placed around the inner annular frame, and the outer screen is placed inside the outer annular frame. The edge of the outer screen is then folded outward and clamped onto the outer annular frame. The portion of the inner screen that is higher than the inner annular frame is folded inward and inserted into the inner annular frame. The filter screen frame is then placed around the inlet pipe (keeping the folded portion of the inner screen between the inlet pipe and the inner annular frame). Finally, the mounting insert is installed, and the folded portion of the inner screen is pressed tightly by the annular limiting pressure plate.
[0019] During the manure collection process, close the drain ball valve and open the collection ball valve. Under the principle of connecting pipes, water in the breeding tank flows to the sedimentation tank until the water levels on both sides are the same, or manually open the collection ball valve. The manure is carried into the sedimentation tank by the water flow and settles slowly. Excess water is discharged through the overflow drain. After the water flow stops, the manure settles at the bottom of the sedimentation tank, i.e., in the collection net. Remove the installation tube, tie the inverted inner net bag opening tightly, lift the filter screen, and remove the net frame to collect the manure completely in the net. During normal water changes, open the drain ball valve and close the collection ball valve.
[0020] The advantages of this invention are: simple structure, easy to use, convenient collection of manure for aquaculture analysis, and can be used for long-term aquaculture experiments. Attached Figure Description
[0021] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model.
[0022] Figure 2 for Figure 1 A magnified view of part A in the middle.
[0023] Figure 3 This is a schematic diagram of the filter frame in an embodiment of the present invention.
[0024] Figure 4 This is a schematic diagram of the structure of the collecting netting in an embodiment of this utility model.
[0025] The attached diagram is labeled as follows: 1. Aquaculture tank; 101. Netting; 2. Drainage pipe; 3. Drainage pipeline; 4. Drainage ball valve; 5. Collection pipeline; 6. Collection ball valve; 7. Overflow pipe; 8. Sedimentation tank; 801. Overflow outlet; 9. Filter screen frame; 901. Annular outer cylinder frame; 902. Annular inner cylinder frame; 10. Installation insert; 11. Annular limiting pressure plate; 12. Collection net sleeve; 1201. Inner net cylinder; 1202. Outer net cylinder; 1203. Annular netting. Detailed Implementation
[0026] To clearly illustrate the technical features of this solution, the following detailed implementation method will be used to explain the solution.
[0027] See Figure 1-4 A feces collection device for aquatic animal nutrition experiments, comprising an aquaculture module and a feces collection module;
[0028] The breeding module includes a breeding tank 1 with a conical bottom, a perforated mesh 101 set at the bottom of the breeding tank 1, a drainage pipe 2 installed at the center of the bottom of the breeding tank 1, and collection pipes 5 and drainage pipes 3 respectively set in different directions of the drainage pipe 2.
[0029] The fecal collection module includes a sedimentation tank 8. An inlet pipe is installed at the center of the bottom of the sedimentation tank 8. The inlet pipe extends vertically upward from the collection pipe 5. The end of the inlet pipe passes through the bottom of the sedimentation tank 8 and is higher than the bottom of the sedimentation tank 8. A filter screen frame 9 is installed around the inlet pipe and inside the sedimentation tank 8.
[0030] Drainage pipe 2 extends horizontally to form collection pipe 5 and vertically to form drainage pipe 3 via a tee structure.
[0031] A drain ball valve 4 is installed on the drain pipe 3, and a collection ball valve 6 is installed on the collection pipe 5. An elbow is installed after the drain ball valve 4 so that the drain pipe 3 extends horizontally again.
[0032] The sedimentation tank 8 is smaller than the aquaculture tank 1, and the bottom of the sedimentation tank 8 is flush with the bottom of the aquaculture tank 1.
[0033] The filter frame 9 includes an annular outer cylinder frame 901 and an annular inner cylinder frame 902 connected at the bottom, with the annular outer cylinder frame 901 being higher than the annular inner cylinder frame 902.
[0034] A collection net sleeve 12 is provided between the annular outer cylinder frame 901 and the annular inner cylinder frame 902, and the collection net sleeve 12 is provided on the annular outer cylinder frame 901 and the annular inner cylinder frame 902 to form a three-dimensional cylindrical structure.
[0035] The collecting net sleeve 12 includes an outer net tube 1202 and an inner net tube 1201. The inner net tube 1201 is located around the annular inner tube frame 902, and the outer net tube 1202 is located inside the annular outer tube frame 901. The bottoms of the outer net tube 1202 and the inner net tube 1201 are connected by an annular net sheet 1203.
[0036] The inlet pipe is located inside the sedimentation tank 8 and is equipped with an installation sleeve 10 at one end. An annular limiting pressure plate 11 is provided on the outer periphery of the top of the installation sleeve 10. The annular limiting pressure plate 11 abuts against the annular inner cylinder frame 902. Preferably, the installation sleeve 10 and the inlet pipe are connected by threads.
[0037] The top of the annular inner cylinder frame 902 is slightly higher than the water inlet pipe, and the inner diameter of the annular inner cylinder is larger than the outer diameter of the water inlet pipe.
[0038] An overflow drain outlet 801 is provided on one side of the top of the sedimentation tank 8. The overflow drain outlet 801 is connected to the extension of the drainage pipe 3 through the overflow pipe 7. Preferably, a drainage pipe connected to the drainage pipe 3 is provided at the bottom of the sedimentation tank 8.
[0039] Before collecting aquatic animal feces, the filter screen is placed on the outer annular frame 901 and the inner annular frame 902. The inner screen 1201 is placed around the inner annular frame 902, and the outer screen 1202 is placed inside the outer annular frame 901. Then, the edge of the outer screen 1202 is folded outward and clamped onto the outer annular frame 901. The part of the inner screen 1201 that is higher than the inner annular frame 902 is folded inward and inserted into the inner annular frame 902. Then, the filter screen frame 9 is placed around the water inlet pipe (keeping the folded part of the inner screen 1201 between the water inlet pipe and the inner annular frame 902). Then, the insert 10 is installed and the folded part of the inner screen 1201 is pressed tightly by the annular limiting pressure plate 11.
[0040] During the manure collection process, close the drain ball valve 4 and open the collection ball valve 6. Under the principle of connecting pipes, the water in the breeding tank 1 flows to the sedimentation tank 8 until the water levels on both sides are the same, or manually open the collection ball valve 6. The manure is carried into the sedimentation tank 8 by the water flow and slowly settles. Excess water is discharged through the overflow drain 801. After the water flow stops, the manure settles at the bottom of the sedimentation tank 8, i.e., in the collection net sleeve 12. Remove the installation tube 10, tie the bag opening of the inverted inner net tube 1201, lift the filter screen, and take out the net frame to collect the manure completely in the net. When changing the water normally, open the drain ball valve 4 and close the collection ball valve 6.
[0041] The technical features of this utility model not described can be implemented by or by using existing technology, and will not be repeated here. Of course, the above description is not a limitation of this utility model, and this utility model is not limited to the examples above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of this utility model should also be within the protection scope of this utility model.
Claims
1. A feces collection device for aquatic animal nutrition experiments, characterized in that, Includes a breeding module and a manure collection module; The aquaculture module includes an aquaculture tank with a conical bottom, a perforated mesh set in the aquaculture tank, a drainage pipe installed in the center of the bottom of the aquaculture tank, and collection pipes and drainage pipes respectively set in different directions of the drainage pipe. The fecal collection module includes a sedimentation tank, with an inlet pipe located at the center of the bottom of the sedimentation tank. The inlet pipe extends vertically upward from the collection pipeline, with its end penetrating the bottom of the sedimentation tank and being higher than the bottom of the sedimentation tank. A filter screen is installed around the inlet pipe and inside the sedimentation tank.
2. The aquatic animal nutrition experiment feces collection device according to claim 1, characterized in that, The drainage pipe extends horizontally via a T-junction structure, forming the collection pipe and the drainage pipe extending vertically. A drain ball valve is installed on the drain pipe, and a collection ball valve is installed on the collection pipe. An elbow is installed after the drain ball valve to allow the drain pipe to extend horizontally again.
3. The aquatic animal nutrition experiment feces collection device according to claim 2, characterized in that, The filter frame includes an annular outer cylinder frame and an annular inner cylinder frame connected at the bottom, the annular outer cylinder frame being higher than... The annular inner cylinder frame; A collection net sleeve is provided between the annular outer cylinder frame and the annular inner cylinder frame, and the collection net sleeve is provided on the annular outer cylinder frame and the annular inner cylinder frame to form a three-dimensional cylindrical structure.
4. The aquatic animal nutrition experiment feces collection device according to claim 3, characterized in that, The collecting net sleeve includes an outer net cylinder and an inner net cylinder. The inner net cylinder is located around the annular inner cylinder frame, and the outer net cylinder is located inside the annular outer cylinder frame. The bottoms of the outer net cylinder and the inner net cylinder are connected by annular mesh sheets.
5. The aquatic animal nutrition experiment feces collection device according to claim 4, characterized in that, The water inlet pipe is provided with an installation cylinder at one end inside the sedimentation tank. An annular limiting pressure plate is provided around the top of the installation cylinder, and the annular limiting pressure plate abuts against the annular inner cylinder frame. The top of the annular inner cylinder frame is slightly higher than the water inlet pipe.
6. The aquatic animal nutrition experiment feces collection device according to claim 5, characterized in that, An overflow drain is provided on one side of the top of the sedimentation tank, and the overflow drain is connected to the extension of the drainage pipeline through an overflow pipe.