CN209882836U - Siphon water changing device of fry and shrimp fry culture pond - Google Patents

Abstract

The utility model discloses a siphon water changing device of a fry and shrimp fry breeding pond, which comprises a reticular cylinder, a filter screen cloth and a plastic hose, wherein one end of the plastic hose is arranged in the reticular cylinder; the filter screen cloth is wrapped outside the reticular cylinder and tightly tied on the plastic hose through a tying rope closing opening. The reticular cylinder is not sealed at the upper part or not sealed at the upper part and the lower part, and the plastic hose extends into the reticular cylinder from the upper part of the reticular cylinder. This siphon trades water installation simple structure, convenient operation, seed escape, seed adsorb lethality can not appear.

Description

Siphon water changing device of fry and shrimp fry culture pond

Technical Field

The utility model relates to an aquaculture's technical field specifically is a siphon trades water installation in fry, shrimp fry rearing pond.

Background

With the continuous development of the aquatic product breeding industry in China, the breeding yield of Chinese aquatic products accounts for 2/3 of the breeding yield of aquatic products in the world, and the Chinese aquatic product breeding industry makes important contributions in the aspects of guaranteeing national food safety, expanding employment, increasing income of farmers, improving ecological environment of water areas and the like. And the seedling cultivation is an important link and a key technology of aquaculture. In the process of seedling cultivation, in order to ensure that the seedlings can normally grow and develop, water needs to be changed for many times every day. At present, water is changed by using a filter drum, a fixed net cage and the like, the operation is troublesome, the workload is large, the seedling adsorption is easy to cause, and the long-time adsorption easily damages the seedlings, so that certain death is caused, and the yield and the quality of aquatic seedling cultivation are influenced. Therefore, a drainage device with more reasonable, practical and convenient structure is needed. The publication also reports some water changing devices for aquaculture breeding, such as:

1. chinese patent: an aquaculture seedling production water changing device and a using method thereof are disclosed in the application number: 201410313425.8, filing date: 2014.07.02, Applicant: jiangsu province marine aquatic product research institute, address: 226007 No. 31 of Chongchuan district education in Nantong city of Jiangsu province, inventor: xu dedicating ming, Zhang Zhi Yong, Wan Xian He, Wu Jianping, Shenhui and Qiao Ying, abstract: the invention relates to a water changing device for aquaculture seedling production and a using method thereof. In use, according to the individual sizes of the aquatic offspring seeds in different growth stages, selecting a proper filter cover, cleaning the filter cover and installing the filter cover at two ends of the device main body; then connecting one end of the siphon pipe with the siphon device; then the siphon device is started, the siphon device is placed into the middle lower part of the seedling raising pool to be changed after negative pressure is generated at the filter cover, and the pool water begins to be discharged due to the negative pressure; and after the water in the seedling raising pond is discharged to the required water level, supplementing fresh water to the original water level. The invention flexibly controls the discharge flow of the wastewater in the seedling raising pond by a siphon principle, and reduces the death rate of seedlings in the drainage process.

2. Chinese patent: the utility model provides an aquaculture grows seedlings production and trades water installation, application number: 201720312214.1, filing date: 2017.03.28, patentee: xinyang agriculture and forestry academy, address: 464000 North Loop No. 1 of Xinyang City, Henan province, inventor: handsome, quiet, the abstract of Liujun, Gong Jie: the utility model discloses an aquaculture production of growing seedlings trades water installation, it includes: a support table provided with a plurality of support legs; a lifting table which is arranged on the supporting table in a lifting way; the siphon rigid pipe is arranged on the support platform, and each siphon rigid pipe is sleeved on the support platform in a lifting mode; the upper end of each siphon rigid pipe is connected with one end of one siphon flexible pipe; the filter cartridge is provided with filter screens at two ends of the through hole, and a side hole is formed in the side wall of the filter cartridge; the lower end of each siphon rigid pipe is sleeved in a side hole of one filter cylinder in a lifting mode; and each filter cylinder is fixed at the lower end of one fixing rod, and each fixing rod is sleeved on the lifting platform in a lifting mode. The utility model discloses a strain the high homoenergetic adjustment of section of thick bamboo and siphon rigid tube, and strain a section of thick bamboo and can be controlled by the elevating platform and go up and down to make its convenient operation and difficult injury seedling.

3. Chinese patent: the utility model provides a pond is bred to fry of high-efficient water of trading, application number: 201811062057.9, filing date: 2018.09.12, Applicant: holy sunflower ecological agriculture ltd, address: 244000 sunflower ecological agriculture company, Conn. countryside, Bell village, in the west of the Annua district, Tourlington, Anhui: money union, summarization: the invention discloses a fry culture pond capable of efficiently changing water, which comprises a culture pond body, a partition plate, a movable plate, a filter plate, an isolation screen plate, a rack, a lifting device and moving parts, wherein the partition plate is arranged on the culture pond body; the two groups of partition plates are arranged in the middle of the culture pond body, and divide the culture pond body into a first culture bin and a second culture bin; the middle part of the clapboard is provided with a through hole for the fry to pass through; the moving plate is connected with the lifting device; the lifting device is arranged on the frame, and the frame is arranged above the culture pond body; the two groups of isolation mesh plates are respectively arranged at the lower parts of the first breeding bin and the second breeding bin; the end part of the isolation screen plate is positioned below the through hole of the partition plate; the first filter plate is positioned in the first breeding bin, and the second filter plate is communicated with the second breeding bin; the moving piece is arranged on the frame in a sliding manner. In the invention, the water exchange of the first culture bin and the second culture bin is convenient, the culture environment in the first culture bin and the second culture bin is the best, and the healthy growth of fish fries is facilitated.

Research shows that when the water changing device disclosed by the above is applied to water changing of the fry and fingerling cultivation pool, the phenomena of fry escape and fry adsorption death are easy to occur due to small individual fry and fingerling, and the phenomenon of blockage is easy to occur when a filter screen with small meshes is used.

Disclosure of Invention

The utility model aims at providing a simple structure, convenient operation, fry escape can not appear, the fry adsorbs lethally, and the fry, shrimp fry rearing pond siphon that are difficult for blockking up trades water installation.

In order to realize the purpose, the utility model discloses a technical scheme be:

a siphon water changing device of a fry and shrimp fry breeding pond comprises a mesh cylinder, a filter screen cloth and a plastic hose, wherein one end of the plastic hose is arranged in the mesh cylinder; the filter screen cloth is wrapped outside the reticular cylinder and tightly tied on the plastic hose through a tying rope closing opening. The reticular cylinder is not sealed at the upper part or not sealed at the upper part and the lower part, and the plastic hose extends into the reticular cylinder from the upper part of the reticular cylinder. The inner diameter of the reticular cylinder is larger than the diameter of the plastic hose and is more than three times of the diameter of the plastic hose. The meshes of the reticular cylinder are larger than those of the filter screen cloth.

The plastic hose be steel ring plastic hose, steel ring plastic hose's intensity is better, can avoid fixed heavy water weight piece and prick the unstable and avoid plastic hose to warp and influence the effect of absorbing water when fixed filter screen cloth of mouthful.

The plastic hose arranged in the reticular cylinder is fixed with a sinking counterweight block through a binding rope, and the sinking counterweight block is also arranged in the reticular cylinder. The submerged balancing weight can stably position the plastic hose in the reticular cylinder and can ensure that the reticular cylinder does not move disorderly when submerged. When the submerged balancing weight is fixed on the plastic hose, the position of the submerged balancing weight is lower than that of the plastic hose when the submerged balancing weight is guaranteed to be submerged, and the plastic hose is prevented from contacting the bottom of the reticular cylinder to influence the water absorption effect.

The utility model discloses a siphon of fry and shrimp seedling culture pond trades water installation's advantage:

the siphon water changing device is simple in structure and convenient to operate, the steel ring plastic hose fixed at one end in the net-shaped cylinder is arranged in the pool and sinks to the bottom of the pool, and the other end of the steel ring plastic hose is hung on the pool wall which is level to the water surface of the pool after being drained through siphon water diversion. One end of the plastic hose of the siphon water changing device is arranged in the reticular cylinder; the reticular cylinder is not sealed at the upper part or not sealed at the upper part and the lower part, and the plastic hose extends into the reticular cylinder from the upper part of the reticular cylinder. The periphery of the reticular cylinder can be filled with water, the water inlet area is large, and the drainage of the plastic hose cannot be influenced; the filter screen cloth wraps the outer portion of the mesh-shaped cylinder, meshes of the filter screen cloth are small, the filter screen cloth and the mesh-shaped cylinder are arranged together, the water absorption capacity of the plastic hose can be dispersed, the filter screen cloth is not prone to scratching a fish body, seedling escape and seedling adsorption death are avoided, and the seedling escape and seedling adsorption death rate is zero. The device can be applied to seed production and scientific research experiments.

Drawings

FIG. 1 is a schematic structural view of a siphon water changing device of the fry and shrimp rearing pond;

FIG. 2 is a schematic layout of the siphon water-changing device of the fry and shrimp rearing pond;

the names of the sequence numbers in the figure are:

1. the device comprises a reticular cylinder, 2, a submerged balancing weight, 3, a binding rope, 4, a binding rope, 5, a filter screen cloth, 6 and a plastic hose.

Detailed Description

For more detailed description of the utility model, the siphon water changing device of the fry and shrimp rearing pond is further described below with reference to the attached drawings.

As shown in the figure:

example 1

A siphon water changing device of a fry and shrimp fry cultivating pool comprises a mesh cylinder 1, a filter screen cloth 5 and a plastic hose 6, wherein one end of the plastic hose 6 is arranged in the mesh cylinder 1; the filter screen cloth 5 is wrapped outside the mesh cylinder 1 and tightly tied on the plastic hose 6 through the tying rope 4. The specific gravity of the reticular cylinder 1 is larger than that of water, and the reticular cylinder can automatically sink under water.

Example 2

A siphon water changing device of a fry and shrimp fry cultivating pool comprises a mesh cylinder 1, a filter screen cloth 5 and a plastic hose 6, wherein one end of the plastic hose 6 is arranged in the mesh cylinder 1; the filter screen cloth 5 is wrapped outside the mesh cylinder 1 and tightly tied on the plastic hose 6 through a tying rope 4; the plastic hose 6 is a steel ring plastic hose.

Example 3

A siphon water changing device of a fry and shrimp fry cultivating pool comprises a mesh cylinder 1, a filter screen cloth 5 and a plastic hose 6, wherein one end of the plastic hose 6 is arranged in the mesh cylinder 1; the filter screen cloth 5 is wrapped outside the mesh cylinder 1 and tightly tied on the plastic hose 6 through the tying rope 4. The plastic hose 6 is a steel ring plastic hose. The submerged balancing weight 2 is fixed on the plastic hose 6 arranged in the reticular cylinder 1 through the binding rope 3, and the submerged balancing weight 2 is also arranged in the reticular cylinder 1.

Application examples

1. A certain fish fry farm in Guangxi Nanning utilizes a water tank to cultivate snakehead fish fries, because the phenomena of fry escape and adsorption death frequently occur during water changing, the phenomena of escape and adsorption death are improved by using a device of 'an aquaculture fry breeding production water changing device and a using method thereof' in the background technology for water changing later for reference, but because silk cloth and circular tubular water blocking areas are small, the blockage is easy to occur after long-term use, and the silk cloth needs to be cleaned or replaced after one month of use; later, the method and the device of the invention are used, the death rate caused by escape and adsorption is observed to be zero, and the filter screen cloth does not need to be cleaned or replaced for half a year.

The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, modifications, additions or substitutions within the scope of the present invention.

Claims (3)

1. The utility model provides a siphon water changing device in fry and shrimp fry rearing pond which characterized in that: comprises a reticular cylinder (1), a filter screen cloth (5) and a plastic hose (6), wherein one end of the plastic hose (6) is arranged in the reticular cylinder (1); the filter screen cloth (5) is wrapped outside the mesh-shaped cylinder (1) and tightly tied on the plastic hose (6) through a tying rope (4) closing.

2. The siphon water changing device for the fry and shrimp rearing pond according to claim 1, characterized in that: the plastic hose (6) is a steel ring plastic hose.

3. The siphon water changing device for the fry and shrimp rearing pond according to claim 1, characterized in that: the submerged balancing weight (2) is fixed on the plastic hose (6) arranged in the reticular cylinder (1) through the binding rope (3), and the submerged balancing weight (2) is also arranged in the reticular cylinder (1).

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