Oxygenation device for seafood pond

Abstract

The utility model relates to a seafood pond oxygenation device which comprises a seafood pond cabinet body and a plurality of temporary rearing ponds which are axially distributed layer by layer in the seafood pond cabinet body, an oxygenation assembly is installed at the bottom of each temporary rearing pond, each oxygenation assembly is composed of an oxygenation frame, an oxygenation pipeline and a plurality of oxygenation spray heads, and one end of each oxygenation frame is provided with an oxygen supply connector connected with an oxygenation pump. The oxygen-increasing spraying head comprises an oxygen-increasing shaft, a spraying cover, a vent hole, a diffusion sheet and a torrent channel, it is ensured that oxygen can be efficiently dispersed into a water body, the oxygen-increasing frame replaces an original supporting plate to support the temporary rearing pond, the utilization rate of the temporary rearing pond is increased, and the oxygen-increasing effect is good. Due to the arrangement of the diffusion sheets and the vent holes, the coverage area and the retention time of oxygen in water are increased, and the oxygenation efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of seafood pool oxygenation, in particular to a seafood pool oxygenation device. Background Art

[0002] Seafood pools, also known as large seafood aquaculture fish tanks, are temporary aquariums for various types of seafood such as fish, shrimp, and shellfish. They are mostly used in restaurants, supermarkets, hotels, seafood stores, restaurants, seafood markets, and other scenes. In addition to the fish tanks used to culture seafood and the frames used to support the fish tanks, seafood pools also include a circulating water system, an oxygen enrichment system, and a refrigeration system to provide a comfortable breeding environment for seafood.

[0003] The oxygen enrichment system of the existing seafood pool mainly adopts an oxygen enrichment sand head which is directly placed into the seafood pool to oxygenate the water in the seafood pool. The existing Chinese utility model patent with publication number CN214015571U discloses a replaceable anti-backflow seafood pool oxygen enrichment sand head, which is composed of a sand head 1, an upper sleeve 2, an O-ring 3, a sealing gasket 4, a lower sleeve 5, and a built-in check valve 6. It is characterized in that the sand head 1 and the upper sleeve 2 are bonded into one body, the upper sleeve 2 and the lower sleeve 5 are connected by threads, which is convenient for replacement when the sand head is blocked, the upper sleeve 2 and the lower sleeve 5 are sealed with the glass sandwiched in the middle by the O-ring 3 and the silicone sealing gasket 4, and the backflow of water is prevented by the built-in check valve of the upper sleeve 2. The aeration sand head of the utility model patent is easy to repair and replace, has a beautiful style and a good oxygenation effect. However, a common problem of this type of aeration sand head is that after the aeration pump delivers oxygen to the water body, the structure of this type of aeration sand head limits the direct vertical flow of oxygen to the horizontal direction, and the oxygen stays in the water for a short time and has a narrow coverage area. Part of the air directly floats to the water surface, which leads to a low dissolved oxygen content in the water body. Especially in seafood pools, the water level is relatively low for the convenience of scooping, resulting in low oxygenation efficiency when this type of aeration sand head aerates the water body, reducing the survival time of seafood. At the same time, the temporary holding pools of existing seafood pools are usually stacked layer by layer, and in order to ensure that the temporary holding pools can be stably installed and fixed, it is necessary to install a vertical support plate in the temporary holding pool to support and support the temporary holding pool on the upper layer. However, the installation of this support plate will separate the temporary holding pool on the lower layer, which limits the volume of seafood and aquatic products put into each room, and makes the installation of the filtration and aeration system of the temporary holding pool difficult and inefficient. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide an oxygenation device for a seafood pool in view of the deficiencies of the above-mentioned prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oxygenation device for a seafood pool, comprising a seafood pool cabinet and a plurality of temporary holding pools axially distributed layer by layer in the seafood pool cabinet, an oxygenation component for supplying oxygen to the interior of the temporary holding pool is provided at the bottom of the temporary holding pool, the oxygenation component comprises an oxygenation frame provided at the bottom of the temporary holding pool, an oxygenation pipeline provided in the oxygenation frame, and a plurality of oxygenation nozzles provided at the bottom of the temporary holding pool and connected to the oxygenation pipeline, an oxygen supply connector for connecting to an oxygenation pump is provided at one end of the oxygenation frame, the oxygen supply connector is used to deliver the oxygen in the oxygenation pump to the oxygenation nozzle through the oxygenation pipeline, the outer side of the oxygenation frame is fixed to the inner wall of the seafood pool cabinet, and supports the corresponding temporary holding pool above.

[0006] By adopting the above technical scheme, an oxygenation frame is arranged at the bottom of the temporary holding pool, the oxygenation frame is fixed on the seafood pool cabinet, and supports the temporary holding pool above, thereby replacing the support plate originally installed in the temporary holding pool, avoiding the temporary holding pool from being divided and improving the utilization rate. At the same time, the oxygenation frame is preferably a stainless steel frame with a hollow interior to form an oxygenation pipeline, which not only enhances the connection strength, but also enables the oxygenation pump to directly supply the temporary holding pool through the oxygenation pipeline, and hides the originally exposed oxygen pipeline, which is both beautiful and effectively avoids pipeline rupture. By arranging an oxygenation component at the bottom of each temporary holding pool, independent oxygenation of each temporary holding pool in the seafood pool is achieved, thereby improving the oxygen supply efficiency of the entire seafood pool and the survival rate of seafood.

[0007] The above-mentioned seafood pond oxygenation device can be further configured as follows: the oxygenation nozzle includes an oxygenation shaft connected to the oxygenation pipeline and a spray cover arranged at one end of the oxygenation shaft, the outer wall of the oxygenation shaft is provided with a plurality of ventilation holes communicated with the oxygenation shaft, the outer sleeve of the oxygenation shaft is provided with at least two diffusion plates, the inner circle of the diffusion plate has an inner slot hole that abuts against the outer wall of the oxygenation shaft and communicates with the ventilation hole, the outer circle has a plurality of diffusion grooves, and rapid flow channels are provided between the inner slot holes and the diffusion grooves, a circumferential ventilation gap is provided between the diffusion plate and the spray cover, a countersunk hole for accommodating the spray cover and the diffusion plate is opened at one end of the temporary holding tank corresponding to the oxygenation shaft, and an air supply hole is provided in the countersunk hole for the oxygenation shaft to pass through and communicate with the oxygenation pipeline below.

[0008] By adopting the above technical scheme, the diffuser is accommodated in the counterbore, and the aeration shaft is connected to the aeration pipeline after passing through the air supply hole of the counterbore, so that the diffuser and the spray cover are arranged in the temporary holding tank, and the ventilation gap is arranged in the temporary holding tank for pressurized oxygen spraying, wherein the aeration pump passes the oxygen into the aeration shaft through the aeration pipeline, and because the end of the aeration shaft is blocked by the spray cover, the oxygen can only be discharged at high speed through the narrow ventilation hole, and the aeration shaft is sleeved with multiple diffusers, and the oxygen discharged at high speed in the ventilation hole will enter the inner groove hole, and then accelerate again along the narrow and long rapid flow channel to enter the diffusion groove for diffusion and pass through the ventilation gap to radiate the air flow along the circumference of the nozzle, and form oxygen bubbles in the water. After such arrangement, the oxygen originally sprayed directly longitudinally is changed to be lateral sprayed and circumferentially dispersed, that is, the coverage area of ​​oxygen in the water is increased, and due to the increase in stroke, the residence time and coverage area of ​​oxygen in the water are increased, which greatly increases the oxygen content per unit area in the seafood pool, improves the oxygenation efficiency, and prolongs the survival time of seafood.

[0009] The above-mentioned seafood pool oxygenation device can be further configured as follows: an oxygenation valve head is provided at one end of the oxygenation pipeline corresponding to the air supply hole, and the oxygenation valve head is communicated with the oxygenation shaft and connected through a detachable structure.

[0010] By adopting the above technical solution, the design of the oxygenation valve head allows for quick disassembly, facilitating the inspection and replacement of the oxygenation pipeline without affecting the operation of the entire system, thereby improving the flexibility and maintenance convenience of the oxygenation system.

[0011] The above-mentioned seafood pool oxygenation device can be further configured as follows: the detachable structure includes an external thread arranged on the outside of the oxygenation valve head and an internal thread arranged on the inside of the oxygenation shaft.

[0012] By adopting the above technical scheme, the detachable structure is completed by utilizing the mechanical connection principle of internal and external threads, thereby realizing a quick and stable connection between the aeration valve head and the aeration shaft, and the locking force of the aeration nozzle can be easily adjusted, so that the aeration nozzle can be tightened or loosened by rotating the aeration valve head, thereby adjusting the width of the ventilation gap. That is, when a large range of oxygen torrents is required, the aeration nozzle is locked, the ventilation gap is reduced, the unit pressure is increased, and the injection range is increased. When a small range of oxygen torrents is required, the aeration nozzle is loosened, the ventilation gap is increased, the unit pressure is reduced, and the injection range is reduced, so that it can be conveniently adjusted according to the specifications of different temporary holding ponds.

[0013] The above-mentioned seafood pool oxygenation device can be further configured as follows: the diffusion groove is a fan-shaped structure, and its inner arc connected to the rapid flow channel gradually widens toward the outer arc direction.

[0014] By adopting the above technical solution, the fan-shaped structure design of the diffusion groove allows oxygen to quickly move along the inner arc to the outer arc with a larger diameter when passing through the diffusion groove, and can diffuse more evenly to the surroundings, thereby improving the oxygenation efficiency.

[0015] The above-mentioned seafood pool oxygenation device can be further configured as follows: the vent hole is arranged at one end of the oxygenation shaft close to the spray cover, the number of the diffusion grooves is not less than 2, and they are arranged around the inner groove hole.

[0016] By adopting the above technical solution, the vent hole is arranged at one end of the oxygenation shaft close to the spray cover, which is conducive to the direct entry of oxygen into the diffuser. The number of diffusion grooves is not less than 2, which are arranged around the inner groove hole to ensure that oxygen can be dispersed into the water body from multiple directions.

[0017] The above-mentioned seafood pool oxygenation device can be further configured as follows: a connecting plate is provided between adjacent diffusion slots, and the width of the connecting plate is smaller than that of the diffusion slot.

[0018] By adopting the above technical solution, this design not only ensures the structural stability of the diffuser, but also enables the connecting plate to partially cover the rapid flow channel, so that high-speed oxygen rapid flow is diffused into the diffusion groove and dispersed to the surroundings along both sides of the diffusion groove.

[0019] The above-mentioned seafood pool oxygenation device can be further configured as follows: the number of the diffusion plates is 4, the number of the ventilation holes is 4, the number of the diffusion slots on the diffusion plates is 4, and they are equidistantly distributed around the inner slot holes.

[0020] By adopting the above technical solution, the diffusion sheets and diffusion grooves are evenly distributed, so that oxygen can be evenly diffused to the surroundings, thereby increasing the dissolved oxygen content of the water body.

[0021] The above-mentioned seafood pond oxygenation device can be further configured as follows: the diffusers are sleeved on the outer circumferential surface of the oxygenation shaft, and the diameter of the diffusers gradually widens from the spray cover to the oxygenation shaft, and the diameter of the diffuser close to the end of the spray cover is not larger than the diameter of the spray cover.

[0022] By adopting the above technical solution, the diameter of the diffuser is not larger than the diameter of the nozzle, so as to avoid the diffuser extending out of the nozzle and directly contacting the aquatic products in the seafood pool and causing damage. The diffuser gradually widens downwards and collects oxygen from wide to narrow to achieve torrent oxygen spraying, which is beneficial to the dispersion of oxygen and maintains the overall beauty and practicality of the nozzle assembly.

[0023] The above-mentioned seafood pool oxygenation device can be further configured as follows: the rapid flow channels between adjacent diffusion sheets are staggered, the diffusion sheets are made of metal, and a sealing ring is provided between the countersunk hole and the diffusion sheet.

[0024] By adopting the above technical scheme, the rapid flow channels between adjacent diffusers are staggered, so that the oxygen can produce a better mixing effect when passing through the diffuser, and the staggered diffusers enable the ejected oxygen to generate a swirl in the water, which can ensure that the oxygen is fully in contact with the water, and help to improve the dissolved oxygen content of the seafood pool water. The diffuser is preferably made of a metal material with deformation force, which ensures that the diffuser and the nozzle are in contact with each other, so that it always has a circumferential ventilation gap, and can be deformed to increase pressure and reduce pressure with the size of the airflow, and has better durability and stability than other materials. The metal material can withstand long-term use and corrosion in environments such as seawater, ensuring the long-term and effective operation of the nozzle assembly. By setting a sealing ring, the sealing of the oxygen enrichment nozzle is guaranteed to avoid water leakage, while preventing oxygen from flowing out of the diffuser below.

[0025] The utility model is further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model.

[0027] Figure 2 A three-dimensional schematic diagram of an embodiment of the utility model Figure 2 .

[0028] Figure 3 It is a three-dimensional schematic diagram of the oxygenation assembly according to an embodiment of the utility model.

[0029] Figure 4 A three-dimensional schematic diagram of the oxygenation assembly of the utility model embodiment Figure 2 .

[0030] Figure 5 It is a three-dimensional schematic diagram of the oxygenation frame according to an embodiment of the utility model.

[0031] Figure 6 for Figure 3 AA section view.

[0032] Figure 7 for Figure 6 Enlarged view of point B.

[0033] Figure 8 It is a three-dimensional schematic diagram of the oxygen enrichment nozzle according to an embodiment of the utility model.

[0034] Fig. 9 It is an exploded view of the oxygenation nozzle according to an embodiment of the utility model.

[0035] Fig.10 The explosion of the oxygenating nozzle of the utility model embodiment Figure 2 . Implementation

[0036] like Figure 1-Figure 10 As shown, an oxygenation device for a seafood pool comprises a seafood pool cabinet 1 and a plurality of temporary holding pools 2 arranged in the seafood pool cabinet 1 and distributed axially layer by layer. An oxygenation component for supplying oxygen to the interior of the temporary holding pool 2 is arranged at the bottom of the temporary holding pool 2. The oxygenation component comprises an oxygenation frame 3 arranged at the bottom of the temporary holding pool 2, an oxygenation pipeline 31 arranged in the oxygenation frame 3, and a plurality of oxygenation nozzles 4 arranged at the bottom of the temporary holding pool 2 and connected to the oxygenation pipeline 31. An oxygenation connector 32 for connecting to an oxygenation pump is arranged at one end of the oxygenation frame 3. The oxygenation connector 32 is used to deliver oxygen in the oxygenation pump to the oxygenation pipeline 31 through the oxygenation pipeline 31. At the nozzle 4, the oxygenation frame 3 is fixed to the inner wall of the seafood pool cabinet and supports the corresponding temporary holding pool 2 above. The oxygenation nozzle 4 includes an oxygenation shaft 41 connected to the oxygenation pipeline 31 and a spray cover 42 arranged at one end of the oxygenation shaft 41. The outer wall of the oxygenation shaft 41 is provided with four vents 411 connected to the oxygenation shaft 41. The outer cover of the oxygenation shaft 41 is provided with four diffusers 43. The inner ring of the diffuser 43 has an inner slot 431 that abuts against the outer wall of the oxygenation shaft 41 and is connected to the vent 411. The outer ring has four diffusion grooves 432 that are equidistantly distributed around the inner slot 431. The inner slot 431 and the diffusion groove 4 There is a rapid flow channel 433 between the diffuser 43 and the spray cover 42, and there is a circumferential ventilation gap between the diffuser 43 and the spray cover 42. A countersunk hole 21 for accommodating the spray cover 42 and the diffuser 43 is opened at one end of the temporary holding pool 2 corresponding to the aeration shaft 41, and an air supply hole 211 is provided in the countersunk hole 21 for the aeration shaft 41 to pass through and communicate with the aeration pipeline 31 below. There is a sealing ring between the countersunk hole 21 and the diffuser 43 at the bottom to ensure its sealing effect. The diffusion groove 432 is a fan-shaped structure, and the inner arc connected to the rapid flow channel 433 gradually widens toward the outer arc direction. There is a connection between adjacent diffusion grooves 432. Plate 434, the width of the connecting plate 434 is smaller than the diffusion groove 432, the diffusion sheets 43 are sleeved on the outer peripheral surface of the oxygenation shaft 41, and the diameter of the diffusion sheets 43 gradually widens from the spray cover 42 to the oxygenation shaft 41, the diameter of the diffusion sheets 43 near the end of the spray cover 42 is not larger than the diameter of the spray cover 42, and the rapid flow channels 433 between adjacent diffusion sheets 43 are staggered, and the diffusion sheets 43 are preferably made of iron, aluminum, or stainless steel sheets to ensure that the diffusion sheets 43 and the inner surface of the nozzle 42 are in hard contact with metal, so that it always has a circumferential ventilation gap and can be deformed and pressurized and depressurized with the size of the airflow.

[0037] like Figure 6 , Figure 7As shown, an aeration valve head 5 is provided at one end of the aeration pipeline 31 corresponding to the air supply hole 21. The aeration valve head 5 is in communication with the aeration shaft 41 and connected through a detachable structure. The detachable structure includes an external thread arranged on the outside of the aeration valve head 5 and an internal thread 412 arranged on the inside of the aeration shaft 41. The top of the aeration valve head 5 is preferably a conical head, and the outside has an external thread, so that it is locked with the internal thread of the aeration shaft 41. The aeration valve head 5 is rotatably connected to the aeration pipeline 31. At the same time, the aeration nozzle 4 can be tightened or loosened by rotating the aeration valve head 5, so as to adjust the width of the ventilation gap. That is, when a large range of oxygen torrents is required, the aeration nozzle 4 is locked, the ventilation gap is reduced, the unit pressure is increased, and the injection range is increased. When a small range of oxygen torrents is required, the aeration nozzle is loosened, the ventilation gap is increased, the unit pressure is reduced, and the injection range is reduced, so that it can be conveniently adjusted according to the specifications of different temporary holding ponds.

[0038] like Figure 1-Figure 10As shown, when the oxygenation device of the utility model is used in a seafood pool, a countersunk hole 21 needs to be opened at the bottom of the temporary holding pool 2 in the seafood pool cabinet 1, and then the oxygenation shaft 41 of the oxygenation nozzle 4 is inserted from the top of the temporary holding pool 2 into the air supply hole 211 of the countersunk hole 21, the diffuser 43 is arranged in the countersunk hole 21, and the spray cover 42 is arranged outside the countersunk hole 21. After the oxygenation shaft 41 passes through the air supply hole 211, it is threadedly connected to the oxygenation valve head 5 on the oxygenation pipeline 31, and the tightness of the oxygenation nozzle 4 is adjusted according to the demand. Preferably, a sealing ring is arranged on the outer shell of the oxygenation shaft 41 at the bottom to enhance the sealing effect. When the external oxygen pump supplies air, the oxygen enters the oxygenation pipeline 31 of the stainless steel structure oxygenation frame 3 through the oxygen supply connector 32, and the oxygenation pipeline 31 then transports the internal oxygen to the oxygenation shaft 41 through the oxygenation valve head 5. When the oxygen reaches the end of the oxygenation shaft 41, due to the blocking effect of the spray cap 42, the oxygen can only be discharged at high speed through these narrow vents 411, and then the axially input oxygen is axially dispersed into the vents 411 around, and the discharged high-speed oxygen enters the inner groove 431 of the inner circle of the diffuser 43, and the inner groove 431 and the vents are connected. 411 is turned on, and the oxygen is further accelerated here. The accelerated oxygen flows along the rapid flow channel 433 between the inner circle and the outer circle of the diffuser 43. This channel is designed to be narrow and long, which helps to further accelerate the oxygen. After flowing through the rapid flow channel 433, the oxygen enters the diffusion groove 432 of the outer circle of the diffuser. The diffusion groove 432 is designed to be a fan-shaped structure, and the inner arc gradually widens toward the outer arc direction, so that the oxygen can be more evenly diffused to the surroundings. The oxygen passing through the diffusion groove 432 is finally ejected into the airflow through the ventilation gap arranged circumferentially between the diffuser 43 and the spray cover 42, and Oxygen bubbles are formed in the water. Compared with the prior art, the oxygen spray nozzle 4 changes the oxygen originally sprayed vertically to horizontal injection and circumferential dispersion, thereby increasing the coverage area and residence time of oxygen in the water, thereby increasing the oxygen content per unit area in the seafood pool and increasing the survival time of seafood. By eliminating the support plate that would originally separate each layer of the temporary holding pool 2, the temporary holding pool 2 is directly supported by the oxygenation frame 3 arranged at the bottom, which does not affect the structure of the temporary holding pool 2 itself, and hides the oxygenation pipeline 31 inside without being damaged, thereby achieving stable and efficient oxygenation.

Claims

1. A seafood pool oxygenation device, characterized in that: The utility model comprises a seafood pool cabinet and a plurality of temporary holding pools which are axially distributed layer by layer in the seafood pool cabinet. An oxygenation component for supplying oxygen to the temporary holding pool is arranged at the bottom of the temporary holding pool. The oxygenation component comprises an oxygenation frame arranged at the bottom of the temporary holding pool, an oxygenation pipeline arranged in the oxygenation frame, and a plurality of oxygenation nozzles which are arranged at the bottom of the temporary holding pool and are connected to the oxygenation pipeline. An oxygen supply connector for connecting to an oxygenation pump is arranged at one end of the oxygenation frame. The oxygen supply connector is used to deliver the oxygen in the oxygenation pump to the oxygenation nozzle through the oxygenation pipeline. The outer side of the oxygenation frame is fixed to the inner wall of the seafood pool cabinet and supports the corresponding temporary holding pool above.

2. A seafood pool oxygenation device according to claim 1, characterized in that: The aeration nozzle includes an aeration shaft connected to the aeration pipeline and a spray cap arranged at one end of the aeration shaft, the outer wall of the aeration shaft is provided with a plurality of ventilation holes communicated with the aeration shaft, the outer sleeve of the aeration shaft is provided with at least two diffusion plates, the inner circle of the diffusion plate has an inner slot hole abutting against the outer wall of the aeration shaft and communicated with the ventilation holes, the outer circle has a plurality of diffusion grooves, rapid flow channels are provided between the inner slot holes and the diffusion grooves, a circumferential ventilation gap is provided between the diffusion plate and the spray cap, a countersunk hole for accommodating the spray cap and the diffusion plate is opened at one end of the temporary holding tank corresponding to the aeration shaft, the countersunk hole is provided with an air supply hole for the aeration shaft to pass through and communicate with the aeration pipeline below.

3. A seafood pool oxygenation device according to claim 2, characterized in that: An oxygenation valve head is arranged at one end of the oxygenation pipeline corresponding to the air supply hole. The oxygenation valve head is communicated with the oxygenation shaft and connected via a detachable structure.

4. A seafood pool oxygenation device according to claim 3, characterized in that: The detachable structure comprises an external thread arranged outside the oxygenation valve head and an internal thread arranged inside the oxygenation shaft.

5. The seafood pool oxygenation device according to claim 2, characterized in that: The diffusion groove is a fan-shaped structure, and the inner arc connected to the rapid flow channel gradually widens toward the outer arc.

6. The seafood pool oxygenation device according to claim 3, characterized in that: The vent hole is arranged at one end of the oxygenation shaft close to the spray cover, and the number of the diffusion grooves is not less than 2 and is arranged around the inner groove hole.

7. The seafood pool oxygenation device according to claim 4, characterized in that: A connecting plate is provided between adjacent diffusion slots, and the width of the connecting plate is smaller than that of the diffusion slot.

8. The seafood pool oxygenation device according to claim 5, characterized in that: The number of the diffusion sheets is 4, the number of the ventilation holes is 4, the number of the diffusion slots on the diffusion sheets is 4, and they are evenly distributed around the inner slot holes.

9. A seafood pool oxygenation device according to any one of claims 2 to 8, characterized in that: The diffusion sheets are sleeved on the outer peripheral surface of the oxygenation shaft, and the diameter of the diffusion sheets gradually widens from the spray cover to the oxygenation shaft, and the diameter of the diffusion sheets close to the end of the spray cover is not larger than the diameter of the spray cover.

10. A seafood pool oxygenation device according to any one of claims 2 to 8, characterized in that: The rapid flow channels between adjacent diffusion sheets are staggered, the diffusion sheets are made of metal, and a sealing ring is provided between the counterbore and the diffusion sheet.

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