Water purification equipment for river crab culture
By using submersible pumps and nozzles to increase dissolved oxygen in the water of crab farming water purification equipment, combined with a double-layer filter frame and scraper mechanism, the problems of insufficient dissolved oxygen and impurity accumulation in the water are solved, achieving efficient water purification and automated cleaning.
Patent Information
- Application Number
- CN202520144110.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-01-22
AI Technical Summary
Existing water purification equipment for crab farming cannot effectively increase the dissolved oxygen content of the water, and the filtration devices are prone to accumulating impurities, reducing the filtration effect.
A water purification device for crab farming was designed. The device uses a submersible pump to draw purified water through a conduit into a nozzle, increasing the contact area between water and air and improving dissolved oxygen levels. At the same time, a double-layer filter frame and a scraper mechanism are used to automatically remove impurities.
It increases the dissolved oxygen content in the aquaculture area, reduces the reproduction of anaerobic bacteria, automatically cleans impurities from the filter plates, and improves equipment efficiency and effectiveness.
Smart Images

Figure CN223844704U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water body purification field, concretely is water body purification equipment of river crab cultivation. BACKGROUND
[0002] River crab cultivation is a technical means for cultivating crabs, and river crab is the common name of Chinese mitten crab. It is widely distributed in brackish and freshwater areas in southeast China and has high economic and nutritional value. In recent years, the cultivation scale has increased rapidly, bringing good economic benefits to breeders. It is one of China's main economic crustaceans and has a large freshwater aquaculture area, occupying an important position in the country's aquaculture industry. Purifying the cultivation water is beneficial to improving the cultivation environment, increasing the survival rate of river crabs and promoting the green and high-quality development of river crab cultivation.
[0003] The existing cultivation water purification equipment usually includes a filter device to remove large particles in the water. However, the filtered water is directly discharged into the pool, which cannot increase the water oxygen effect, and the filter plate accumulates some impurities in front of the filter plate after a long time of work, reducing the filtering effect. Therefore, we propose a water body purification equipment for river crab cultivation. SUMMARY
[0004] The utility model aims at providing water body purification equipment for river crab cultivation. The submersible pump draws the water in the hollow area into the conduit, and the water in the conduit enters the spray head. The spray head sprays water in the air, increasing the contact area of the purified water and air, so that the purified water has enough dissolved oxygen content in the cultivation area near the outer baffle, thereby increasing the dissolved oxygen content of the water in the cultivation area and reducing or avoiding the massive reproduction of anaerobic bacteria.
[0005] To achieve the above-mentioned purpose, the water body purification equipment for river crab cultivation includes an outer baffle, a double-layer filter frame is fixedly connected to the inner cavity of the outer baffle, a top plate is movably connected to the upper part of the double-layer filter frame, a U-shaped collecting groove is movably connected to the upper part of the top plate, a plurality of threaded holes are formed between the top plate and the U-shaped collecting groove, bolts are screw-connected to the inside of the threaded holes, a hollow clamping groove is formed in the middle part of the U-shaped collecting groove, a submersible pump is fixedly connected to the bottom of the inner cavity of the double-layer filter frame, a conduit is fixedly connected to the output end of the submersible pump, the conduit penetrates through the top plate and the hollow clamping groove, a fixed clamping groove is formed in the top part of the conduit, and a spray head is movably connected to the upper part of the fixed clamping groove.
[0006] According to the water body purification equipment for river crab cultivation, a fixed frame is fixedly connected to the bottom of the inner cavity of the outer baffle, and a motor is fixedly connected to the upper part of the fixed frame.
[0007] The inner cavity of the fixing frame is rotationally connected with a screw rod, and the driving end of the motor is fixedly connected with the screw rod.
[0008] The outer wall of the double-layer filter frame is in abutting fit with a circular scraper, and a rectangular hole is formed in one side of the inner cavity of the circular scraper.
[0009] A connecting plate is arranged inside the rectangular hole, and the circular scraper is fixedly connected with the connecting plate.
[0010] The fixing frame is in through fit with the rectangular hole, and the middle part of the connecting plate is in screw connection with the screw rod.
[0011] Compared with the prior art, the water body purification equipment for river crab culture has the following beneficial effects:
[0012] The double-layer filter frame, the composite adsorption material, the submersible pump and the conduit are arranged, the peripheral baffle is slightly lower than the horizontal plane, the upper V-shaped slope matched with the peripheral baffle is arranged, water flows from top to bottom and pours into the storage area between the peripheral baffle and the double-layer filter frame, the hollow area is arranged in the double-layer filter frame, the water permeable composite adsorption material is arranged in the filling position of the double-layer filter frame, the water to be purified in the storage area is adsorbed and purified due to the atmospheric pressure, the hollow area of the double-layer filter frame is provided with the submersible pump, the water purified is separated by the submersible pump, the water in the hollow area is separated and enters the conduit, the water in the conduit enters the inner part of the spray head, the spray head sprays the water in the air, the contact area of the purified water and the air is increased, the purified water has sufficient dissolved oxygen content when falling into the culture area near the peripheral baffle, and therefore, the dissolved oxygen content of the water in the culture area is improved, and the reproduction of anaerobic bacteria is reduced or avoided.
[0013] The fixing frame, the circular scraper, the U-shaped collecting groove, the screw rod and the motor are arranged, the screw rod is rotationally connected in the inner part of the fixing frame, the motor is fixedly connected above the fixing frame, the motor is controlled by the driving end of the motor, and the circular scraper is controlled by the connecting plate during operation, the dirt scraped from top to bottom is brought to the upper part, the dirt on the inclined surface of the bottom of the circular scraper is naturally slid into the U-shaped collecting groove above the top plate, and the operation is repeated, the impurities on the filter plate do not need to be cleaned manually, the working strength is greatly reduced, and the working efficiency is improved.
[0014] Additional aspects and advantages of the present application will be described in the following description, some of which will become apparent to those skilled in the art from the following description. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further explained in connection with the drawings and embodiments;
[0016] Figure 1 It is structure diagram of water purification equipment of river crab culture of the utility model;
[0017] Figure 2 It is right view sectional view of water purification equipment of river crab culture of the utility model;
[0018] Figure 3 It is scraping mechanism schematic view of water purification equipment of river crab culture of the utility model;
[0019] Figure 4 It is round type scraper operation schematic view of water purification equipment of river crab culture of the utility model;
[0020] Figure 5 It is the A place enlarged view in the utility model Figure 2 .
[0021] In the drawing: 1, peripheral baffle; 2, double-layer filter frame; 3, top plate; 4, U-shaped collection tank; 5, fixed frame; 6, motor; 7, screw rod; 8, guide pipe; 9, spray head; 10, hollow clamping groove; 11, round scraper; 12, submersible pump; 13, fixed clamping groove; 14, composite adsorption material; 15, screw hole; 16, bolt; 17, rectangular hole; 18, connecting plate. DETAILED DESCRIPTION
[0022] The technical scheme in the embodiments of the utility model will be clearly and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.
[0023] Please refer to Figures 1-5The utility model provides a technical scheme: water body purification equipment of river crab culture, including peripheral baffle 1, the cooperation peripheral baffle 1's upper V type bevel, water flow will pour from top to bottom, enter the inside of peripheral baffle 1, the inner chamber middle part of peripheral baffle 1 is fixedly connected with double -deck filter frame 2, is used for fixing the composite adsorption material 14 in interlayer, and can be with the water body to be purified in the inside of peripheral baffle 1 penetrate into composite adsorption material 14, the outer wall of double -deck filter frame 2 is contacted with round scraper 11, is used for the dirt on the surface of double -deck filter frame 2 from top to bottom scraping, the inner chamber one side of round scraper 11 is equipped with rectangular hole 17, the upper movable joint of double -deck filter frame 2 has top plate 3, the upper movable joint of top plate 3 has U type collecting groove 4, is used for collecting the dirt after round scraper 11 scraping, top plate 3 and U type collecting groove 4 upper are equipped with a plurality of threaded holes 15, the inside screw thread of threaded hole 15 is connected with bolt 16, can be fixed between U type collecting groove 4 and top plate 3, prevent U type collecting groove 4 from moving because of external cause, the middle part of U type collecting groove 4 is equipped with hollow clamping groove 10, is used for fixing and cooperating the operation and work of pipe 8, the inner chamber bottom of double -deck filter frame 2 is fixedly connected with submersible pump 12, can be extracted into pipe 8 after the water body in the hollow region of double -deck filter frame 2 is purified, the output end of submersible pump 12 is fixedly connected pipe 8, and pipe 8 and top plate 3 and hollow clamping groove 10 are through cooperation, the top of pipe 8 is equipped with fixed clamping groove 13, the upper movable joint of fixed clamping groove 13 has shower head 9.
[0024] The inner chamber bottom of peripheral baffle 1 is fixedly connected with fixed frame 5, is used for fixing the whole scraping mechanism, the inner chamber rotationally connected with screw rod 7 of fixed frame 5, drives round scraper 11 to move up and down, realizes the scraping purpose, the driving end of motor 6 and screw rod 7 are fixedly connected, and fixed frame 5 and rectangular hole 17 are through cooperation, the inside of rectangular hole 17 is provided with connecting plate 18, realizes the threaded cooperation between screw rod 7 and round scraper 11, and round scraper 11 and connecting plate 18 are fixedly connected, and the middle part of connecting plate 18 and screw rod 7 are screw connected, and the upper fixed connection of fixed frame 5 has motor 6, and motor 6 controls screw rod 7, thereby realizing the scraping work without manual operation.
[0025] Working principle: before work, the device can be put into the fixed breeding area, when working, the outer baffle 1 will be slightly lower than the horizontal plane, cooperate with the upper V-shaped slope of the outer baffle 1, the water flow will be from top to bottom, into the storage area between the outer baffle 1 and the double-layer filter frame 2, because the inside of the double-layer filter frame 2 is hollow area, and the filling part of the double-layer filter frame 2 is water permeable composite adsorption material 14, the top is capped by the top plate 3, so the water to be purified in the storage area will gradually penetrate into the double-layer filter frame 2 through the gap between the composite adsorption material due to atmospheric pressure, and realize purification and adsorption, and the hollow area of the double-layer filter frame 2 is provided with a submersible pump 12, and the submersible pump 12 speeds up the purification of the composite adsorption material 14 to the water near the double-layer filter frame 2 in the process of extracting water in the hollow area, the purified water enters the hollow area, and then the water in the hollow area is extracted into the conduit 8 by the submersible pump 12, and then reaches the fixed slot 13 on the upper end of the conduit 8 to fix the inside of the nozzle 9, the nozzle 9 sprays water in the air, increases the contact area of the purified water and air, so that the purified water has enough dissolved oxygen content in the breeding area near the outer baffle 1, thereby improving the dissolved oxygen content of the water in the breeding area, reducing or avoiding the massive reproduction of anaerobic bacteria, and the device is provided with a scraping mechanism for scraping the dirt remaining on the surface of the double-layer filter frame 2, so one side of the bottom of the outer baffle 1 is fixedly connected with a fixed frame 5, a screw rod 7 is rotatably connected in the fixed frame 5, and an electric motor 6 is fixedly connected above the fixed frame 5, the driving end of the electric motor 6 controls the electric motor 6, when running, the screw rod 7 controls the circular scraper 11 through the connecting plate 18, and after scraping from top to bottom, the scraped dirt is brought to the upper U-shaped collecting groove 4, because the bottom of the circular scraper 11 is inclined, the dirt on the inclined surface will naturally slide onto the U-shaped collecting groove 4 above the top plate 3, and the U-shaped collecting groove 4 is provided with a threaded hole 15 above the top plate 3, so that the staff can fix the U-shaped collecting groove 4 on the top plate 3 through the bolt 16, when the work is completed, the staff can disassemble the nozzle 9 and the bolt 16, and remove the U-shaped collecting groove 4 through the hollow clamping groove 10 in the middle of the U-shaped collecting groove 4 to treat the dirt, and the top plate 3 can be disassembled for replacement of the composite adsorption material 14.
[0026] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range of ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A water purification device for river crab farming, comprising a peripheral baffle (1), characterized in that, The inner cavity of the outer baffle (1) is fixedly connected with a double-layer filter frame (2), the upper part of the double-layer filter frame (2) is movably connected with a top plate (3), the upper part of the top plate (3) is movably connected with a U-shaped collecting groove (4), a plurality of threaded holes (15) are arranged between the top plate (3) and the U-shaped collecting groove (4), the threaded holes (15) are internally threadedly connected with bolts (16), the middle part of the U-shaped collecting groove (4) is provided with a hollow clamping groove (10), the inner cavity of the double-layer filter frame (2) is fixedly connected with a submersible pump (12), the output end of the submersible pump (12) is fixedly connected with a conduit (8), the conduit (8) penetrates through the top plate (3) and the hollow clamping groove (10), the top of the conduit (8) is provided with a fixed clamping groove (13), the fixed clamping groove (13) is movably connected with a spray head (9) above.
2. The apparatus according to claim 1, wherein the apparatus is characterized by: The inner cavity of the outer baffle (1) is fixedly connected with a fixed frame (5), the upper part of the fixed frame (5) is fixedly connected with a motor (6).
3. The apparatus for purifying a water body for river crab culture according to claim 2, characterized in that: The inner cavity of the fixed frame (5) is rotatably connected with a screw rod (7), and the driving end of the motor (6) is fixedly connected with the screw rod (7).
4. The apparatus according to claim 2, wherein the apparatus is characterized by: The outer wall of the double-layer filter frame (2) is abuttingly connected with a circular scraper (11), the inner cavity of the circular scraper (11) is provided with a rectangular hole (17) on one side, and the fixed frame (5) penetrates through the rectangular hole (17).
5. The apparatus for purifying a water body for river crab culture according to claim 4, characterized in that: The inner cavity of the rectangular hole (17) is provided with a connecting plate (18), and the middle part of the connecting plate (18) is threadedly connected with the screw rod (7).
6. The apparatus for purifying a water body for river crab culture according to claim 5, characterized in that: The circular scraper (11) is fixedly connected with the connecting plate (18).