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Efficient culturing system facilitating safe overwintering of shrimps and crabs
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A safe and efficient technology, applied in fish farming, agricultural gas emission reduction, soilless cultivation, etc., can solve the problems of poor dispersibility of bait, unsatisfactory effect, low survival rate, etc., to avoid waste of bait, simple structure, Simple Effects of Components
Inactive Publication Date: 2016-09-07
ZHONGSHAN NUODUN SCI RES TECH SERVICE CO LTD
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But the effect is not ideal enough, the survival rate is not high
[0004] In addition, in order to improve the efficiency of breeding work, feeding devices are generally used when feeding feed to the farming area. Due to design defects, the current feeding devices on the market have poor dispersion of bait when feeding, and fish and shrimp need to be concentrated. eat in a small area
it's bad for feeding
Method used
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[0058] In one embodiment of the present invention, the heat exchange pool 2003 is a sealed pressure vessel, and a control valve 6000 is respectively provided on the water inlet pipe 2001 and the water outlet pipe 2002, and a pressurizing device 9000 is provided outside the pond 1000, The pressurization device 9000 is connected to the heat exchange tank 2003 through a pressurization pipe 9001, and a control valve 6000 is provided on the pressurization pipe 9001.
[0059] In the present invention, an anti-rustcoating is provided on the outside of the storage tank 2, and the anti-rustcoating includes the following components by weight percentage:
[0069] In the present invention, the degree of automation is high, only need to manually pour the material into the discharge box, and the automatic feeding can be realized by setting the feeding time interval and feeding amount on the controller, which saves time and effort, is not affected by the weather, and can control the amount of feeding. Precise control avoids the waste of bait. Example 1 - Anti-rustcoating
[0070] Antirust coating of the present invention comprises following component by weight percentage:
[0084] Corrosion-resistant coatings include the following components by weight percentage:
[0085]
[0086] Preparation method: Mix fluorinated acrylate and coaltarpitch evenly, stir and heat to 45°C, stir for 10 minutes, add nephelinepowder and zinc citrate, heat to 120°C, stir for 3 hours, cool to 50°C, add other components , stirred and kept for 1 hour, ultrasonically dispersed for 10 minutes, and ground to a fineness of <60 μm in a conical grinder.
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Abstract
The invention discloses an efficient culturing system facilitating safe overwintering of shrimps and crabs. The system comprises a pond, wherein a pond water heat exchange system is arranged on the outer side of the pond; a lifting suspension bridge feeding mechanism extending into the center of the pond is arranged on one side of the pond and comprises a mounting base; a suspension bridge is hinged to the mounting base; a traction device enabling the suspension bridge to turn and lift is arranged on the mounting base; a feeding device is arranged at the front end of the suspension bridge; an ejection device capable of ejecting materials in a feeding plate out of a discharging seat is arranged on a mounting plate; a scraping plate mechanism capable of collecting materials at the front end of the feeding plate to the rear side of the feeding plate is arranged on the ejection device; an angle adjustment mechanism capable of adjusting the feeding angle of the feeding device is arranged at the front end of the suspension bridge. The efficient culturing system facilitating safe overwintering of the shrimps and the crabs is simple in structure, can adjust the temperature of water in the pond, enables aquatic animals to overwinter safely and has a good culturing effect, good bait dispersity during feeding and a wide feeding range.
Description
technical field [0001] The invention relates to a high-efficiency breeding system for shrimps and crabs to survive winter safely. Background technique [0002] Pond aquaculture is the main aquaculture production mode in my country. According to the "China FisheryYearbook 2010", as of 2009, my country had 4.164 million hectares of aquaculture ponds, with a production of 18.5291 million tons of pond aquaculture, including 2.332 million hectares of freshwater aquaculture ponds, with an output of 15.489 million tons. Pond aquaculture accounted for 51.2% of the total aquaculture production , has become the main source of aquatic product supply in my country. [0003] Safe wintering is a difficult problem in aquaculture at present, especially for finished fish or shrimps and crabs under severe winter conditions, such as tilapia, dace, catfish and other fish, the survival rate of overwintering is as low as about 30%, and the survival rate of fry is as low as 30%. It's even lower....
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Application Information
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