CN-121986741-A - Leech cultivation device and leech cultivation method

CN121986741ACN 121986741 ACN121986741 ACN 121986741ACN-121986741-A

Abstract

The invention discloses a leech cultivation device which comprises a water inlet device, a barrel body, an escape prevention device, a vortex cleaning device, a drainage device, a sensor device, an isolated perching device, a feeding frame and a temperature control device, wherein the escape prevention device is arranged at the top end of the barrel body, the drainage device is arranged at the bottom end of the barrel body, the sensor device and the temperature control device are connected with the barrel body, a detachable isolated perching net is arranged between the barrel body and the drainage device, the vortex cleaning device is arranged between the isolated perching device and the drainage device, the feeding frame is arranged to be movable, the temperature controller is arranged to be capable of automatically monitoring and regulating the temperature in the barrel body, and the water inlet device is arranged to convey water into the barrel body. According to the leech culture device and the leech culture method, the culture density of the leeches can be improved to 4-6 jin per square meter, the culture survival rate is over 80%, the disease incidence rate is below 10%, the accumulation fermentation effect of pollutants can be reduced, and the pollution caused by culture can be effectively reduced.

Inventors

SHI LINCHUN
LIU JINXIN
WANG MINGXIN
SHI ERGANG
HE YONGRONG
CHENG GUANGLEI
MENG QINGLONG

Assignees

中国医学科学院药用植物研究所
北京氾胜中药材技术有限公司

Dates

Publication Date: 20260508
Application Date: 20241101

Claims (12)

1. The leech cultivation device is characterized by comprising a water inlet device, a barrel body, an escape prevention device, a vortex cleaning device, a drainage device, a sensor device, an isolated perching device, a feeding frame and a temperature control device; The water inlet device comprises a water quantity control device and a foam generator, the water quantity control device and the foam generator are arranged to be connected with the barrel body, a detachable isolation perching device is arranged between the barrel body and the water outlet device, the mesh of the isolation perching device is 10-80 meshes, the feeding frame is arranged to be movable, the feeding frame is placed into the barrel body after use, the feeding frame is taken out from the barrel body for replacement and cleaning, the temperature controller is arranged to be capable of automatically monitoring and regulating the temperature in the barrel body, the water inlet device comprises a water quantity control device and a foam generator, the water inlet device is arranged to be used for conveying water into the barrel body and reducing disturbance to leeches through foaming treatment, the sensor device is used for automatically detecting oxygen content, pH value, ammonia nitrogen and other indexes of a water body, and can be automatically aerated and automatically upload data, and the vortex perching device and the cleaning device are arranged between the isolation perching device and the water outlet device.
2. The leech cultivating device as claimed in claim 1, wherein the tub body includes an upper part and a lower part, the upper part is one of a cylinder, a cuboid or a cube, the lower part is a cone, the projection area of the tub body is 0.5-5 square meters, the top of the tub body is provided with double reverse folds, the top and the middle of the tub body are respectively provided with an embedded groove, an interface is reserved for a drain pipe at the bottom of the cone, and the diameter of the interface is 2.5cm-20cm.
3. A leech cultivating device as claimed in claim 2, wherein the tub body comprises one of plastic, stainless steel, aluminum alloy, glass fiber reinforced plastic as a supporting body inner layer and a heat-insulating outer layer made of high polymer material.
4. A leech cultivating device as claimed in claim 2, wherein the top end of the barrel body is folded inwards, the first folded length is 5-10cm, the second folded length is 2-5cm, and the folded angle is 80-120 degrees.
5. A leech cultivating device as claimed in claim 4, wherein said escape preventing means is connected to a recess in the top end of said tub, said escape preventing means comprising one of a reverse folded edge escape preventing net, a pulsed electronic fence and a rough adhesion material escape preventing net.
6. A leech cultivation device as claimed in claim 5, wherein the reverse-folding edge escape-preventing net comprises one of stainless steel, polyethylene PE, high-density low-pressure polyethylene HDPE, polypropylene PP and ABS plastic particles, and the meshes are set to be 20-80 meshes and the reverse-folding angle is 80-120 degrees.
7. A leech culture device according to claim 5, wherein the pulsed electronic fence has a voltage of 12-36v, a pulse duration of 0.1-0.5 seconds and a pulse interval of 5-10 seconds.
8. A leech cultivation device as claimed in claim 5, wherein the surface of the coarse attachment material escape-preventing net is provided with protrusions having a diameter of 180-600 μm, and the gaps between the protrusions are 320-500 μm.
9. The leech cultivating device as claimed in claim 1, wherein the draining device comprises a valve, a straight draining port, a water level control pipe and a siphon draining pipe, wherein one end of the draining device, which is close to the barrel body, is provided with a first valve, the first valve is arranged outside the draining device and connected with the water pipe, the water pipe stretches into the draining device, the straight draining port is arranged at the bottom end of the draining device, one end of the straight draining port is provided with a second valve, the other end of the straight draining port is provided with a water level controller and the siphon draining pipe, and the water level controller and the siphon draining pipe are connected with the straight draining port through one water pipe.
10. A leech cultivating device as claimed in claim 1, wherein the vortex cleaning means is located at the middle-upper part of the cone, the vortex means comprises a quick-release interface and a variable angle water outlet gun head, and high-pressure vortex water flow is generated in the cone by externally connecting high-pressure water, so that the barrel body is cleaned.
11. A leech cultivating device as claimed in claim 1, wherein the isolating perching device is located in a recess in the middle of the tub, and comprises a rubber ring, a net body and a vibrator clamping groove, and the mesh of the net body is set to 10-80 mesh.
12. Leech cultivation method based on a leech cultivation device as claimed in any one of the claims 1-11, characterized in that it comprises the steps of: setting culture parameters including water inflow, water outflow, aeration quantity, temperature, leech culture density and feeding proportion, ammonia nitrogen alarm threshold value and PH value alarm threshold value; putting leeches into the feeding frame, opening the water inlet device, and putting the feeding frame with bait; After 1-2 days of feeding, cleaning the rest baits and feeding new baits; Water level control is carried out by using a water level control pipe; a siphon drain pipe is used for keeping the micro-flow of the water body; the water replacement is completed every 2-10 days, the water body in the cultivation barrel is discharged by using the straight discharge port, and the barrel body is self-cleaned through the formed instant pressure difference and the vortex generator; And (5) circulating the culture steps until the leeches are harvested.

Description

Leech cultivation device and leech cultivation method Technical Field The invention relates to the field of leech cultivation, in particular to a leech cultivation device and a leech cultivation method. Background The leech has good medicinal value and huge market demand potential. The existing leech cultivation method comprises the steps of cultivating by utilizing a soil pool, a cement pool, a net cage (a floating net or a hanging net) or a knife scraping cloth, but the existing artificial leech cultivation method is large in cultivation unit area, cannot timely remove river snail residues, causes water pollution, causes serious exceeding of ammonia nitrogen in the water, is high in leech mortality, and is high in water interactive circulation, disease transmission cannot be timely cut off, disease transmission is fast, the occurrence rate of leech diseases is high, the later death rate of leeches is high, the leech later death rate cannot be controlled, cultivation pollution is easy to cause due to low yield per unit area, the environmental protection requirement cannot be met, and three-dimensional cultivation cannot be realized. Disclosure of Invention In view of the above-mentioned drawbacks of the prior art, the present invention aims to solve the problems of high death rate, low yield, fast disease transmission, and easy serious cultivation pollution of the existing artificial leech cultivation method. The invention provides a leech culturing device and a leech culturing method, which can improve the culturing density and the culturing survival rate of leeches, and simultaneously effectively reduce the disease occurrence rate and the pollution caused by culturing. In order to achieve the above objective, a preferred embodiment of the present invention provides a leech cultivation device, which comprises a water inlet device, a barrel, an escape prevention device, a vortex cleaning device, a drainage device, a sensor device, an isolated perching device, a feeding frame and a temperature control device; The water inlet device comprises a water quantity control device and a foam generator, the water inlet device is used for conveying water into the barrel body and reducing disturbance to leeches through foaming treatment, the sensor device is used for automatically detecting indexes such as oxygen content, PH value, ammonia nitrogen and the like of a water body, the sensor device can automatically aerate and upload data, and the vortex cleaning device is arranged between the isolated perching device and the water outlet device. Further, the barrel body comprises an upper part and a lower part, wherein the upper part is one of a cylinder, a cuboid or a cube, the lower part is a cone, the projection area of the barrel body is 0.5-5 square meters, the top of the barrel body is provided with double reverse folded edges, the top end and the middle of the barrel body are respectively provided with an embedded groove, the bottom of the cone is provided with a drain pipe reserved interface, and the diameter of the interface is 2.5cm-20cm. Further, the barrel body comprises one of plastic, stainless steel, aluminum alloy and glass fiber reinforced plastic as a supporting body inner layer and a heat insulation outer layer made of high polymer materials. Further, the top end of the barrel body is folded inwards in a double-folding way, the first folding length is 5-10cm, the second folding length is 2-5cm, and the folding angle is 80-120 degrees. Further, the escape preventing device is connected with the groove at the top end of the barrel body and comprises one of an anti-edge-folding escape preventing net, a pulse electronic fence and a coarse adhesion material escape preventing net. Further, the reverse folding edge escape prevention net comprises one of stainless steel, polyethylene PE, high-density low-pressure polyethylene HDPE, polypropylene PP and ABS plastic particles, wherein the meshes are 20-80 meshes, and the reverse folding angle is 80-120 degrees. Further, the voltage of the pulse electronic fence is 12-36v, the pulse duration is 0.1-0.5 seconds, and the pulse interval is 5-10 seconds. Further, the surface of the rough adhesion material escape-preventing net is provided with protrusions with a diameter of 180-600 micrometers, and the gaps of the protrusions are 320-500 micrometers. The water draining device comprises a draining valve, a straight draining port, a water level control pipe and a siphon draining pipe, wherein one end, close to the barrel body, of the draining device is provided with a first valve, the first valve is arranged outside the draining device and connected with a water pipe, the water pipe stretches into the draining device, the straight draining port is arranged at the bottom end of the draining device, one end of the straight draining port is provided with a second valve, the other end of the straight draining port is provided with a water level controller and the siphon d