CN-122007018-A - Device and method for wind-spinning separation of live and residual bait snails in cultivation of Hirudo manillensis

CN122007018ACN 122007018 ACN122007018 ACN 122007018ACN-122007018-A

Abstract

The invention discloses a device and a method for separating live bait snails from residual wind in the cultivation of Hirudo manillensis, comprising a pumping conduction structure; the spiral shell receiving and storing structure is provided with a residual spiral shell receiving and storing tube and a movable spiral shell receiving and storing tube, the residual spiral shell receiving and storing tube and the movable spiral shell receiving and storing tube are arranged in a communicating mode, and the residual spiral shell receiving and storing tube is arranged on the upper side of the movable spiral shell receiving and storing tube. The live snails and the residual bodies for bait are timely and efficiently separated in the cultivation process of the wide-body Hirudinaria manillensis, the long-time storage and the putrefaction of the residual bodies are avoided, and the problem of environmental pollution in the cultivation in the prior art is solved.

Inventors

SUN YAN
ZHOU YONGYI
WANG JIANCHUN
CHENG YU
DONG XUEWANG
WEI JUNLI
ZHAO LIANGWEI
GE CHENG
LIU TONGSHAN
CHEN HAONAN
LIU QUN
ZHAO JING

Assignees

天津市动物疫病预防控制中心

Dates

Publication Date: 20260512
Application Date: 20260319

Claims (10)

1. A bait spiral living body and residual body wind-spinning sorting device in the cultivation of a wide-body Hirudo, which is characterized by comprising: the pumping conducting structure is used for intensively acquiring living bodies and residual bodies of snails to be sorted; vibrating the sieving assembly to group the snails to be sorted according to the specification according to the aperture size of the sieving disc; The self-falling conduction structure is communicated, assembled and connected between the input end part and the pumping conduction structure, and the self-falling conduction structure receives grouped snail living bodies and residual bodies for automatic conveying and self-adaptive drainage; The wind-rotating separation structure comprises a frequency conversion fan assembly and a self-separation inclined cavity pipe, wherein the frequency conversion fan assembly is positioned, the self-separation inclined cavity pipe is obliquely extended, the middle part of the top side of the self-separation inclined cavity pipe is obliquely extended, the self-falling conduction structure is communicated with the output end part of the self-falling conduction structure, and the wind output end part of the frequency conversion fan assembly is communicated with the lower side end part of the self-separation inclined cavity pipe; The spiral body collecting and storing structure is provided with a residual spiral collecting and storing pipe and a movable spiral collecting and storing pipe, wherein the residual spiral collecting and storing pipe and the movable spiral collecting and storing pipe are respectively communicated, assembled and connected with the bottom side position of the self-sorting inclined cavity pipe, and the residual spiral collecting and storing pipe is correspondingly positioned at one side part of the movable spiral collecting and storing pipe far away from the variable frequency fan assembly.
2. The device for separating live and residual bait snails in the cultivation of Hirudo manillensis according to claim 1, wherein, The pumping conducting structure comprises a flexible conveying pipe and a driving water pump suction head; the self-falling conduction structure comprises a spiral self-falling inclined tube; The screw body is arranged in an inclined extending way from the whole inclined falling pipe, and the initial end part of the inclined falling pipe of the screw body positioned at the upper side is communicated with the suction head of the driving water pump through a flexible conveying pipe; the water filtering screen is arranged on the side face of the screw body, which is positioned at the tail end of the lower side, of the self-falling inclined tube, and the tail end of the screw body, which is positioned at the lower side, is communicated with the middle position of the top side of the self-separation inclined cavity tube.
3. The device for separating live and residual bait snails in the cultivation of Hirudo manillensis according to claim 2, wherein, The spiral body self-falling inclined tube is provided with a plurality of groups of self-adapting balls and/or a plurality of groups of elastic contact protruding edges with preset elasticity in a fixedly connected manner corresponding to the inner wall of the bottom side of the spiral body self-falling inclined tube in a uniformly rolling manner, and the self-adapting balls and/or the elastic contact protruding edges are positioned at the upper side position of the water filtering screen.
4. The device for separating live and residual bait snails in the cultivation of Hirudo manillensis according to claim 2, wherein, The self-sorting inclined cavity tube is provided with a gathering direct blowing part and a sealing and air guiding part which are respectively in one-to-one correspondence with the lower end part and the upper end part of the self-sorting inclined cavity tube corresponding to the extending direction of the self-sorting inclined cavity tube; The inner cavity channel of the gathering and direct blowing part is arranged in a reducing way based on the integral inner cavity channel of the self-sorting inclined cavity pipe, the gathering and direct blowing part integrally deflects one side part of the spiral body self-falling inclined pipe, and the wind output end part of the variable frequency fan assembly is communicated and connected with the inlet end part of the gathering and direct blowing part; The spiral shell living body and the residual body in the self-separation inclined cavity pipe are synchronously subjected to the wind force action and the gravity action of the spiral shell living body and the residual body output by the variable frequency fan assembly through the spiral shell body falling from the self-separation inclined cavity pipe, so that under the characteristic of mass difference between the spiral shell living body and the residual body, the wind force action output by the variable frequency fan assembly can effectively separate the spiral shell living body and the residual body along the inclined upper direction, the wind pressure is gradually reduced along with the wind force action when the spiral shell living body and the residual body flow along the self-separation inclined cavity pipe, and the spiral shell living body and the residual body respectively correspond to the living spiral shell collecting and arranging pipe and the residual spiral shell collecting and arranging pipe to finish dead weight falling.
5. The wind-spinning separation device for live and residual bait in the cultivation of Hirudo manillensis according to claim 4, wherein, The sealing and blocking air guide part is provided with an arc-shaped sealing plate, the side part of the air guide inlet of the sealing and blocking air guide part is provided with an arc shape corresponding to the direct blowing direction of the gathering direct blowing part, and the side part of the air guide outlet of the sealing and blocking air guide part is provided with an arc shape corresponding to the inlet end part of the residual spiral shell collecting and arranging pipe.
6. The wind-spinning separation device for live and residual bait in the cultivation of Hirudo manillensis according to claim 5, wherein, The self-sorting inclined cavity tube is fixedly connected with a residual screw limiting part corresponding to the inlet end part of the residual screw collecting and discharging tube, and the residual screw limiting part is correspondingly positioned at one side part of the residual screw collecting and discharging tube, which is far away from the sealing and blocking air guiding part; an arc-shaped direction-adjusting air guide part is further arranged at one side part of the residual screw limiting part, which is opposite to the residual screw collecting and arranging pipe, and is positioned at the upper side part of the corresponding position of the screw body self-falling inclined pipe so as to form air flow which assists residual screws to float in the inner part of the self-separation inclined cavity pipe and corresponds to the outlet area of the screw body self-falling inclined pipe; The self-sorting inclined cavity tube is fixedly connected with a movable screw limiting part corresponding to the inlet end part of the movable screw collecting and discharging tube, and the movable screw limiting part is correspondingly positioned at one side part of the movable screw collecting and discharging tube, which is close to the gathering and direct blowing part.
7. The device for separating live and residual bait snails in the cultivation of Hirudo manillensis according to claim 1 or 2, wherein, The vibration sieving assembly comprises a grading sieving disc, a gathering bucket groove and a channel valve; The classifying screen trays comprise a plurality of groups of screen trays, the plurality of groups of screen trays are obliquely arranged between a driving water pump suction head of the pumping conducting structure and an inlet end part of the self-falling conducting structure from top to bottom, and the plurality of groups of screen trays are respectively and drivingly assembled with a variable frequency screen driving structure; the inlet ends of the plurality of groups of the gathering hopper grooves are respectively in one-to-one correspondence with the obliquely lower ends of the plurality of groups of the vibrating screen plates and are communicated and connected with each other, the outlet ends of the plurality of groups of the gathering hopper grooves are respectively in one-to-one correspondence with the flexible conveying pipes and are communicated and connected with each other, and the plurality of groups of the channel valves are respectively in one-to-one correspondence with the outlet ends of the plurality of groups of the gathering hopper grooves; The variable frequency fan assembly is connected with a control output end part provided with an electric control module through a circuit, and the control input end part of the electric control module is connected with a plurality of groups of channel valves through the circuit.
8. The device for separating live and residual bait snails in the cultivation of Hirudo manillensis according to claim 2, further comprising: The pre-driving component specifically comprises a micropore injection structure, an electric filter grid structure and a bionic driving structure; The micropore spraying structure comprises a plurality of controllable water pressure type array branch pipes, and micropore spray heads facing the peripheral side parts of the electric filter grid structure are respectively and correspondingly arranged at the tail ends of the array branch pipes one by one; the electric filter grid structure comprises a forward filter grid assembly and two groups of lateral filter grid assemblies which are respectively and correspondingly arranged at two sides of the forward filter grid assembly in a one-to-one correspondence manner, and a surrounding area formed by the electric filter grid structure is correspondingly arranged between the surrounding area and a driving water pump suction head of the pumping conducting structure; The positive filter grating component and the lateral filter grating component have the same structure and comprise a movable screw blocking part, an electric field filter grating part and a top shielding part which are fixedly connected in sequence from bottom to top; the electric field filter grid part is arranged into a vertical channel type filter grid structure positioned in the middle, so that the blown residual snail can pass through a channel of the electric field filter grid part and then reach a surrounding area of the electric field filter grid structure, and the electric field filter grid part is connected with a driving-off electric field through a circuit; the top shielding part is transversely arranged at the upper part of the electric field filter grid part to block excessive blown residual snails; The bionic driving structure is provided with a plurality of groups, the bionic driving structure is fixedly connected to the electric filter grid structure in a distributed mode, and the bionic driving structure outputs bionic vibration waves of natural enemies of snails.
9. A living and residual body wind-spinning separation method of a bait spiral living and residual body wind-spinning separation device in the cultivation of the wide-body Hirudo according to any one of claims 1-8, comprising the following steps: obtaining snails to be sorted, and carrying out specification sorting, automatic conveying and self-adaptive drainage procedures aiming at the sizes of the obtained snails; Finishing the cyclone separation process based on the quality difference of the live snails and the residual snails; the living snails and the residual snails after the wind-spinning separation process are further and automatically classified and stored correspondingly.
10. The method for wind-spinning separation of live and residual bait in the cultivation of Hirudo manillensis according to claim 9, The method comprises the steps of obtaining the snails to be sorted, carrying out specification sorting, automatic conveying and self-adaptive drainage according to the obtained snail sizes, and specifically comprises the following steps: The spiral shell to be sorted in the breeding area is intensively sucked by driving a water pump suction head in a pumping transmission structure, the sucked spiral shell living bodies and residual bodies are effectively sorted by different specific vibration frequencies through a variable frequency vibration sieving assembly, the grouped spiral shells with different specifications further fall into different collecting hopper grooves respectively and are regulated and controlled by a channel valve to be conveyed to a flexible conveying pipe, and then are conveyed to a spiral body self-falling inclined pipe in the self-falling transmission structure through the flexible conveying pipe, when the spiral shell living bodies and residual bodies automatically fall and are conveyed based on the spiral body self-falling inclined pipe, the self-turning effect is enhanced by a plurality of groups of self-adapting balls and/or a plurality of groups of elastic touch ribs to assist the falling spiral shell living bodies and residual bodies, so that the water body inside the residual spiral shell is discharged, the quality difference between the spiral shell living bodies and the residual bodies and the sorting efficiency of a subsequent wind-rotation sorting procedure are improved, and the spiral shell living bodies are automatically discharged to the water collecting circulation structure through a water filtering screen, and the automatic water draining and automatic backflow circulation are completed; based on the quality difference between the snail living body and the residual body, the wind-spinning separation process is completed, which specifically comprises the following steps: The variable frequency fan assembly of the wind whirling separation structure presets output wind power according to the obtained snail living bodies and residual bodies with specific specifications, at the moment, the snail living bodies and the residual bodies which fall into the self-separation inclined cavity tube from the falling inclined tube can synchronously receive the wind power action and self gravity action of the snail living bodies output by the variable frequency fan assembly, under the quality difference characteristics of the snail living bodies and the residual bodies, the wind power action output by the variable frequency fan assembly separates the snail living bodies and the residual bodies along the inclined upper direction, and the wind pressure is gradually reduced along with the wind power action when flowing along the self-separation inclined cavity tube, and the self-weight falling of the snail living bodies and the residual bodies is finished respectively corresponding to specific positions by virtue of the guiding action of the sealing and blocking wind guiding parts, so that the wind whirling separation procedure is completed; the snail living body and the residue after the wind-spinning separation process are further and automatically classified and stored correspondingly, and the method specifically comprises the following steps: The residual snails after the wind-spinning separation process automatically fall to the residual snail collecting and discharging pipe based on the action of gravity, and the live snails after the wind-spinning separation process automatically fall to the live snail collecting and discharging pipe based on the action of gravity and further fall to the residual snail collecting and storing cavity and the live snail collecting and storing cavity respectively.

Description

Device and method for wind-spinning separation of live and residual bait snails in cultivation of Hirudo manillensis Technical Field The invention relates to the technical field of aquaculture, in particular to a device and a method for separating live baits from residual baits by wind in the cultivation of Hirudo manillensis. Background The Hirudo praecox is a traditional Chinese medicine prescribed by traditional Chinese medicine dictionary, has extremely high medicinal value, can effectively treat diseases such as hypertension, hyperlipidemia, apoplexy, cerebral infarction and the like after being processed by dry products, is one of the pretty Chinese medicinal materials, and currently, because the Hirudo praecox has high medicinal value and large market demand, the growing demand can not be met only by fishing wild individuals, and the research of artificial culture technology is urgently needed, so the Hirudo praecox becomes an important new variety in aquaculture, and the Hirudo does not absorb the blood of vertebrates, but mainly takes body fluid of mollusks such as snails, freshwater mussels, corbicula fluminea and the like as food, and is vividly called 'gold in water'. In the prior art, the wide-body anoectochilus formosanus sucking bait snail only consumes a soft part, does not consume a gastropod part close to a small-leaved lemma, is difficult to timely and efficiently separate from a living body by a residual body of the intake spiral shell, causes long-time accumulation and putrefaction of the residual body, causes water environment pollution, and can disperse tiny particles of low-grade fatty amine in an aerosol form in a culture area to generate unpleasant smell. Therefore, according to the disease control gateway forward strategy, the live and residual bodies of the bait snails are separated timely and efficiently, the water quality is purified, the disease resistance of the leeches is improved, and the method becomes an effective way for controlling diseases. Currently, the basic aquaculture industry is gradually moving toward a technology-intensive transformation as a traditional labor-intensive industry. The bait spiral-alive and residual body wind-spinning sorting device is developed, so that the residual snail is removed in time, the incidence rate of the wide-body Hirudo manillensis can be reduced, the cultivation benefit is increased, the burden of workers is lightened, and the productivity is improved. Disclosure of Invention Therefore, the invention provides a device and a method for separating live bait snails from residual bait snails in the cultivation of Hirudo manillensis by wind whirlpool, which are used for solving the technical problems that the live bait snails and the residual bait snails are difficult to separate in time and efficiently in the cultivation process, so that the residual bait snails accumulate and spoil for a long time and pollute the cultivation environment in the prior art. In order to achieve the above object, the present invention provides the following technical solutions: A bait spiral sorting device for cultivating a wide-body Hirudo, comprising: Pumping the conduction structure to intensively obtain the snails to be sorted; vibrating the sieving assembly to group the snails to be sorted according to the specification according to the aperture size of the sieving disc; The self-falling conduction structure is communicated, assembled and connected between the input end part and the pumping conduction structure, and is used for receiving the live snails to be sorted, automatically conveying the residual snails and adaptively draining water; The wind-rotating separation structure comprises a frequency conversion fan assembly and a self-separation inclined cavity pipe, wherein the frequency conversion fan assembly is positioned, the self-separation inclined cavity pipe is obliquely extended, the middle part of the top side of the self-separation inclined cavity pipe is obliquely extended, the self-falling conduction structure is communicated with the output end part of the self-falling conduction structure, and the wind output end part of the frequency conversion fan assembly is communicated with the lower side end part of the self-separation inclined cavity pipe; The spiral body collecting and storing structure is provided with a residual spiral collecting and storing pipe and a movable spiral collecting and storing pipe, wherein the residual spiral collecting and storing pipe and the movable spiral collecting and storing pipe are respectively communicated, assembled and connected with the bottom side position of the self-sorting inclined cavity pipe, and the residual spiral collecting and storing pipe is correspondingly positioned at one side part of the movable spiral collecting and storing pipe far away from the variable frequency fan assembly. On the basis of the technical scheme, the invention is further described as follows: as a further aspect