Zero injury fish pumps efficient and worry-free transfer of live fish
Zero injury fish pumps efficient and worry-free transfer of live fish
Centrifugal pump new upgrade!
Zero-injury fish pumps: efficient and worry-free live fish transfer
With the scale of deep-water net box aquaculture exceeding the capacity of 60 tons per box, the problems of fish damage and low operational efficiency caused by traditional hanging net fishing are becoming more and more prominent. the fourth generation intelligent centrifugal fish pump independently developed by SJ, through the bionic runner design + hydraulic precision control technology, realizes the transfer of 200 tons of live fish per hour without any damage, and the damage rate is reduced from the industry's average of 15% to less than 0.5%.
Product Overview
Fish pumps are devices that use water or air as a medium for suction and delivery of fish, and were initially used primarily for pumping and transporting catch out of nets and fish holds, as well as for pumping fish in waters for netless fishing.
Core Breakthrough
- Bionic wide runner blade: flow velocity ≤1.2m/s (below fish stress threshold)
- Elastic material covering: impeller edge covered with food-grade silicone, eliminating mechanical scuffs
- Intelligent hydraulic speed control: automatically adjust the negative pressure intensity according to the density of the fish population
There are many kinds of fish pumps, which can be roughly divided into centrifugal fish pumps, jet fish pumps, submersible fish pumps and vacuum fish pumps according to the working principle.
- Centrifugal Fish Pump
Centrifugal Fish Pump utilizes the hydraulic principle to drive the high-speed operation of the vanes in the centrifugal pump body to form negative pressure for fish pumping. Its energy conversion efficiency is high, and it is generally used in net box culture and loading and unloading of ocean-going fishing vessels. Centrifugal pumps have two types: fixed and submersible. Fixed installation on land or on board, the suction pipe made of negative pressure-resistant materials, the mouth of the pipe is equipped with a check valve, connected to the fish pump inlet. Submersible type submersible fish pump directly into the water, no need to inject and draw water when starting, with hydraulic drive, compact structure, easy to operate.
- Jet Fish Pump
Jet Fish Pump utilizes high-speed flowing water jetted from the nozzle to generate negative pressure, and the fish water is finally discharged from the fish discharge pipe. Since there is no impeller, its damage rate is relatively small. It is generally used in large-scale net box culture. Jet pumps are generally composed of suction nozzle, suction pipe, jet chamber, pressure outlet pipe, fish water separator and so on.
- Submersible Fish Suction Pump
Submersible Fish Suction Pump is to sink the pump underwater and utilize the negative pressure principle for live fish pumping. The pump has the advantages of simple structure, high efficiency, no need to use a large number of strengthened suction pipe, and has the advantages of occupying a small deck area, light weight, easy to operate, etc., and is widely used; the disadvantage is that the head is lower and the cost is higher. Therefore, the fishing ship, base ship and transportation ship and so on application more.
- Vacuum Pressurized Fish Pump
Vacuum fish pump consists of vacuum pump, fish collection barrel, electrical control system, inlet and outlet hoses, etc. When working, firstly, close the valves in the inner cavity of the system for pumping, so as to make the internal state into a vacuum, and then the fish inlet valve opens, and the fish are sucked into the fish collection barrel by utilizing the principle of vacuum and atmospheric pressure. When the total amount of fish and water in the fish collection barrel reaches a certain point, the limit switch sends out the height signal of the barrel, the combination valve starts to work, and the original pumping work changes to the air delivery work, the pressure inside the fish pump increases, and the fish and water pass through the discharge valve to the container, which realizes the purpose of vacuum pumping and delivering the fish.
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In the future, we will continue to launch customized products, crack every fishery pain point with the power of innovation, and build a new blue ecosystem with you!
