CN112167114A

CN112167114A - Three-dimensional aquaculture method for reducing mortality

Info

Publication number: CN112167114A
Application number: CN202011087138.1A
Authority: CN
Inventors: 张永辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-05

Abstract

The invention belongs to the field of aquaculture, and particularly relates to a three-dimensional aquaculture method for reducing mortality. The invention avoids the death of octopuses in temporary storage and transportation, improves the survival rate of the octopuses in the transportation process, is convenient to collect the octopuses, collects the octopuses by the impulsive force of gas in the collection process, and avoids the damage of external pulling force to the octopuses.

Description

Three-dimensional aquaculture method for reducing mortality

Technical Field

The invention belongs to the field of aquaculture, and particularly relates to a three-dimensional aquaculture method for reducing mortality.

Background

Different aquatic organisms in aquaculture have different requirements on aquaculture, such as octopus (octopus), which is a mollusk, evolved from cephalopoda mollusk, has a small body, is thin and long due to eight tentacles, and crawls by depending on the adsorption force of claws of the octopus, so that the octopus is difficult to directly harvest and take out from the bottom of a culture pond.

Based on the above prior art, the applicant has made a long-lasting and useful search and trial and error, and has conducted a non-limited number of experiments, and finally found a solution to the above technical problem and formed a solution as will be described below.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a three-dimensional aquaculture method for reducing the mortality rate.

In order to achieve the purpose, the invention adopts the following technical scheme: a three-dimensional aquaculture method for reducing mortality comprises the following steps: the feeding box is suspended and fixed by the electromagnet and the adsorption iron block; bait such as shellfish is put into the feeding box, the shellfish is uniformly spread on the upper part of the separation net, and the inlet ends of the single inlet pipe and the double inlet pipe are protruded out of the upper part of the separation net; then, the octopus is placed in a feeding box, the air bag is sleeved at the upper part of the feeding box, and the air bag is sleeved particularly through the matching arrangement of the embedding block and the embedding groove; the octopus eats baits such as shellfish on the separation net, and simultaneously a certain amount of air is introduced into the air bag cavity through the inflator pump, so that the octopus eats in a sufficient air environment;

water is injected into the temporary storage pool to separate the electromagnet from the adsorption iron block, and the feeding box descends into a water layer of the temporary storage pool under the action of self gravity;

after the octopus is eaten, climbing into the cave box through the single inlet pipe and the double inlet pipes, and resting by attaching to the inner wall of the cave box;

when baits such as shellfish and the like need to be added to the feeding box, the second valve and the third valve can be closed; the air pump is started to ventilate towards the air bag cavity through the vent pipe and the one-way valve, the air bag inflates gradually, the feeding box floats upwards along with the air bag gradually under the action of buoyancy, and then the feeding box is adsorbed together with the adsorption iron block again through the electromagnet to suspend and fix the feeding box; then separating the air bag from the feeding box, then putting baits such as shellfish into the feeding box, and uniformly spreading the shellfish on the upper part of the separation net;

when the octopus needs to be collected, the valve II and the valve III are also closed; the air pump is started to ventilate towards the air bag cavity through the vent pipe and the one-way valve, the air bag inflates gradually, the feeding box floats upwards along with the air bag gradually under the action of buoyancy, and then the feeding box is adsorbed together with the adsorption iron block again through the electromagnet to suspend and fix the feeding box, and at the moment, a first valve on the drain pipe is opened; the water in the temporary storage tank is completely discharged into the transverse channel by the water discharge pipe, then the cover plate is opened, the material receiving plate is placed below the end part of the material receiving plate to be ready for collecting the octopus, at the moment, the valve II and the valve III are opened, gas in the air bag cavity directly enters the cave room through the inlet pipe to blow down the octopus attached to the inner wall of the cave room, the screen cover is opened until the octopus is discharged through the outlet funnel to close the valve II and the valve III, and then the push plate is pushed by starting the push rod to push the octopus falling into the collecting tank to the material discharge port and finally collected through the material receiving plate;

the temporary rearing device comprises a temporary rearing tank, a floating ball feeding assembly, a floating ball feeding assembly, a temporary rearing tank, a floating ball assembly and a temporary rearing tank, wherein the floating ball assembly is communicated with the temporary rearing tank, the upper part of the temporary rearing tank is fixedly connected with the bottom of the floating ball feeding assembly in a sealing manner, the temporary rearing tank is positioned in the temporary rearing tank, a water layer is arranged in the temporary rearing tank, the upper end surface of the water layer is positioned at the upper part of the temporary rearing tank, the water layer does not pass through the floating ball assembly when the floating ball assembly is not inflated and gradually moves upwards until an air bag of the floating ball assembly protrudes; the temporary storage pool comprises a first side wall, a second side wall, a third side wall, a fourth side wall, a bottom plate and a collection assembly, wherein the first side wall, the second side wall, the third side wall and the fourth side wall are vertically and fixedly connected end to end, a temporary storage cavity is formed by the first side wall, the second side wall, the third side wall and the fourth side wall, four edges of the bottom plate are fixedly connected with bottoms of the first side wall, the second side wall, the third side wall and the fourth side wall, and the collection assembly is arranged at the bottom of the temporary;

the floating ball feeding assembly comprises a feeding box, an air bag, a limiting assembly, an inflating assembly and a separation net, wherein the feeding box is of a hollow round box-shaped structure, the upper part of the feeding box is open, the outer wall of the feeding box is detachably wrapped with the air bag, the air bag and the feeding box form an air storage cavity, the feeding box is externally connected with the limiting assembly, the feeding box ascends and descends along the limiting assembly, the inflating assembly is connected with the air bag, the air storage cavity is inflated by the inflating assembly, and the separation net is arranged on a bottom plate of the feeding box;

the feeding box comprises a box wall, a bottom plate, an embedded groove and a bottom plate hole, wherein the box wall is cylindrical, the bottom of the box wall is fixed by the bottom plate, the bottom plate is provided with the bottom plate hole in a through mode, the bottom plate hole is in a circular hole shape, the upper part of the outer side of the box wall is provided with the embedded groove, the embedded groove surrounds the upper part of the box wall for a circle, and the section of the embedded groove is in a shape of a Chinese character; the bottom of the air bag is fixedly connected with a rubber ferrule, the rubber ferrule surrounds the bottom of the air bag for a circle, an embedding block is integrally fixed on the inner side of the rubber ferrule, the embedding block is matched with the embedding groove, and the diameter of the rubber ferrule is slightly smaller than that of the feeding box; the air bag is wrapped on the upper portion of the feeding box, the air bag is made of pvc materials, a first telescopic rod and a second telescopic rod are arranged in the air bag, the first telescopic rod and the second telescopic rod are symmetrically arranged, one end of the first telescopic rod inclines towards one side of the top of the inner wall of the air bag, the other end of the first telescopic rod is fixedly connected with one side of the inner wall of the feeding box, one end of the second telescopic rod inclines towards the other side of the top of the inner wall of the air bag, and the other end of the second telescopic; the limiting assembly comprises a limiting rod, a limiting head and an electromagnetic adsorption part, the limiting rod is in a round rod shape, the bottom of the limiting rod is fixed to the lower portion of the inner side wall of one side wall through a fixing block, the limiting head is fixed to one side of the outer side wall of the feeding box and is in a rectangular plate shape, a limiting hole is formed in the limiting head and is in a round hole shape, the limiting rod penetrates through the limiting hole, and the electromagnetic adsorption part fixes the limiting head and the feeding box to the position, close to the upper portion, of the limiting rod;

the inflation assembly comprises an inflation pump, an air pipe and a one-way valve, the inflation pump is fixed at the upper end of one side wall, the inflation pump is connected with the one-way valve through the air pipe, and the one-way valve is fixed at the upper part of the air bag;

the temporary culture box comprises an inlet pipe, a hole part and an outlet part, the inlet pipe protrudes out of the bottom end face of the feeding box, the bottom of the vent pipe is communicated with the hole part, and the hole part is communicated with the outlet part;

the inlet tube includes single inlet tube and two inlet tubes, and single inlet tube and two inlet tubes all are located cave portion upper portion, and the entry of single inlet tube is one, and single inlet tube is located and is close to the box edge department of feeding, and two inlet tubes are located the box intermediate position department of feeding, and the entry of two inlet tubes is two and the symmetry sets up.

Preferably a stand and ground D looks fixed connection are passed through to a lateral wall outside, and ground D sets up the blowdown canal on the surface, and the blowdown canal is "T" form, and the blowdown canal includes horizontal canal and vertical canal, and horizontal canal transversely sets up, and vertical canal vertically sets up, and horizontal canal is linked together with vertical canal, and horizontal canal is located stand one side and horizontal canal and is located the pond bottom position department of keeping in, and vertical canal is located the pond outside of keeping in, and the pond of keeping in is located ground D upper portion, forms between pond of keeping in and the ground D and collects the clearance.

Preferably, the collecting assembly comprises a pushing plate part, a collecting tank and a discharging part, the collecting tank is positioned on the bottom plate, a pushing plate of the pushing plate part moves along the collecting tank, and the discharging part is arranged on one side of the bottom plate; the collecting groove comprises a first inclined surface, a second inclined surface and a middle groove, the first inclined surface, the second inclined surface and the middle groove are all positioned on the bottom plate, the first inclined surface and the second inclined surface are distributed in an inverted eight shape, the middle groove is positioned between the first inclined surface and the second inclined surface, and the middle groove is in an ︶ shape; the push plate comprises a push plate and a push rod, the push plate is of a plate-shaped structure and is positioned at the bottom of the temporary storage tank, the push rod is positioned on one side of the outer part of the side wall, a piston rod of the push rod penetrates through the second side wall in a sealing mode, and the end part of the piston rod of the push rod is fixedly connected with one side of the push plate; the bottom of the push plate is provided with a first inclined plane, a first protruding plane and a second inclined plane, the first inclined plane and the second inclined plane are both inclined and arranged in an inverted 'eight' shape, the protruding plane is arranged between the first inclined plane and the second inclined plane and in an '︶' shape, the protruding plane is matched and attached to the middle groove, the first inclined plane is attached to the first inclined plane, and the second inclined plane is matched and attached to the second inclined plane; the discharging part comprises a discharging opening, material receiving plates and material receiving plate baffles, the discharging opening is of a rectangular opening structure, the discharging opening is located on one side of the collecting tank, the edge of one side, close to the bottom plate, of the discharging opening, the material receiving plates are arranged on the lower portion of the discharging opening, the material receiving plates are obliquely and fixedly arranged with the bottom plate, the included angle alpha between the material receiving plates and the bottom plate is 10-15 degrees, the material receiving plates are obliquely and downwards arranged, the outlet portions of the material receiving plates are located on the right upper portion of the longitudinal channel, the material receiving plate baffles are fixedly arranged on the two sides of the material receiving plates; the cover plate is arranged on the discharge port and is rectangular, and rubber strips are fixed on four sides of the inner side of the cover plate.

Preferably, one side of the four bottom plates on the side wall is provided with a drain pipe, and a first valve is arranged on the drain pipe; the outlet end of the drain pipe faces to the right upper part of the cross channel.

The electromagnetic adsorption part preferably comprises an electromagnet and an adsorption iron block, the electromagnet is fixed on one side of the upper part of the limiting rod, the adsorption iron block is fixed on the upper end part of one side of the limiting head, and the adsorption iron block and the electromagnet are arranged correspondingly;

preferably, the separation net is of a circular net structure, the separation net is embedded in the inner side wall of the feeding box, a waste storage gap is formed between the separation net and the bottom of the feeding box, and the temporary rearing box upwards penetrates through the bottom plate and the separation net.

Preferably, a second valve is arranged on the single inlet pipe and the upper part of the hole part; a third valve is arranged on the upper parts of the double inlet pipes and the cave part; the single inlet pipe is S-shaped, the inlet of the single inlet pipe faces the middle position of the feeding box, and the outlet of the single inlet pipe is communicated with the inlet of the temporary rearing box; the two inlet tubes include inlet tube one, inlet tube two, the extension room, side passageway one and side passageway two, inlet tube one, inlet tube two-phase symmetry sets up, inlet tube one is towards one side, inlet tube two is towards the opposite side, inlet tube one, two bottoms of inlet tube are linked together with the extension room, the extension room is the spherical chamber of cavity, extension room bottom and side passageway one, side passageway two-phase intercommunication, side passageway one, the setting of side passageway two-phase symmetry, side passageway one, the port of side passageway two is linked together with cave portion upper portion.

The preferred cave portion comprises a cave box, cave rooms and through holes, the cave box is of a hollow structure and is made of transparent PP plastics, the through holes are uniformly formed in the outer wall of the cave box and are circular holes, the cave rooms are arranged in the cave box, the two ends of the cave rooms are narrow, the middle of the cave rooms is wide, the diameters of the upper portions of the cave rooms are gradually increased from top to bottom, the diameters of the cave rooms are the largest when the cave rooms reach the middle position, the diameters of the cave rooms are gradually reduced from the middle position to the bottom position, the diameters of the cave rooms are the smallest when the cave rooms reach the bottom position, the cave box comprises an upper cave box and a lower cave box, the outer walls of the upper cave box and the lower cave box are communicated with the through holes, the upper cave box is of a hollow cone, the upper end of the upper cave box is provided with an inlet, the bottom of the upper cave box is communicated with the lower cave box, the lower cave box is of a reverse hollow cone, and the lower end of the; the inlet of the cave box is communicated with the inlet pipe, and the outlet pipe of the cave box is communicated with the outlet part.

Preferably, the outlet part comprises an outlet connecting pipe, an outlet funnel and a shielding net cover, the outlet connecting pipe is in a circular pipe shape, the diameter of the outlet connecting pipe is slightly larger than that of the outlet pipe of the cave box, the outlet connecting pipe is sleeved and fixed on the outer wall of the outlet pipe of the cave box in a matching way, the outlet connecting pipe is communicated with the outlet funnel, and the shielding net cover can be buckled at the lower end of the outlet funnel; export funnel is for falling the funnel form, export funnel diameter is from last to crescent down, export funnel bottom one side with hide the net lid and articulate mutually and be connected, hide the net lid and strain netted for the metal, hide net lid and export funnel lower extreme opening phase-match and set up, shelter from the net other end and set up the fixed head, set up the fixed orifices on the fixed head, export funnel bottom opposite side sets up the screw rod, the mode through threaded connection on the screw rod is provided with the nut, the screw rod can match and pass the fixed orifices then will hide the net lid through the nut and fix.

Compared with the prior art, the invention has the beneficial effects that: avoided the octopus to be at the death of keeping in the transportation, the survival rate of octopus in the transportation has been improved, the octopus is convenient for collect simultaneously, thereby collect the process and rely on gaseous impulsive force to collect the octopus and avoided the injury of external pulling force to the octopus, the floater subassembly utilizes buoyancy to drive the temporary rearing case on the one hand and reciprocates in the pond of keeping in and on the other hand the gas in the floater subassembly can provide the impact gas as collecting the octopus, this impact gas directly gets into to "blow off" the octopus from the temporary rearing incasement temporarily rearing case temporarily, the floater subassembly can provide a stable feed place for the octopus simultaneously, and the temporary rearing case can provide a relative stability and be convenient for absorbent place for the octopus, and the gas that gets into the temporary rearing case from the floater subassembly when needs collect the octopus blows the octopus and gets into to the pond of keeping in of having drained water and collect.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the present invention.

FIG. 2 is a schematic top view of the temporary rearing pond of the present invention.

FIG. 3 is a perspective view of the feeding box of the present invention.

Fig. 4 is a schematic diagram of the structure at a in fig. 1.

FIG. 5 is a schematic view showing the inner structure of the rubber boot of the present invention.

FIG. 6 is a schematic top view of the feeding box of the present invention.

FIG. 7 is a side view of the dual inlet tube of the present invention.

Fig. 8 is a schematic perspective view of the housing box of the present invention.

FIG. 9 is a schematic side view of the outlet portion of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the following examples, which are provided only for illustrating the present invention and are not intended to limit the scope of the present invention.

As shown in figures 1-9, a three-dimensional aquaculture method for reducing mortality is provided, in which a floating ball assembly 2 is communicated with a temporary culture tank 3, the upper part of the temporary culture tank 3 is fixedly connected with the bottom of a floating ball feeding assembly 2 in a sealing way, the temporary culture tank 3 is positioned in a temporary culture pond 1, a water layer 18 is arranged in the temporary culture pond 1, the upper end surface of the water layer 18 is positioned at the upper part of the temporary culture pond 1, the water layer 18 passes through the floating ball assembly 2 when the floating ball assembly 2 is not inflated, and the floating ball assembly 2 gradually moves upwards when the floating ball assembly 2 is gradually inflated until the air bag of the floating ball assembly 2 protrudes out of the upper end surface of the water layer 18, the temporary culture tank 3 is driven to float by the floating of the floating ball component 2 in the water layer 18, the temporary storage tank 1 is used for temporarily storing the octopus when water is injected, when the water in the temporary storage pool 1 is drained completely, the temporary storage pool can be used as a place for collecting the octopus, and the side wall of the temporary storage pool 1 prevents the octopus from escaping around after being discharged from the cave part; on one hand, the floating ball feeding component 2 improves the feeding environment quality of the octopus by depending on the space and the closed environment of the floating ball feeding component and taking sufficient oxygen as a place for feeding the octopus, wherein the spherical structure of the feeding component 2 is used for providing a dark and safe feeding environment for the octopus, and on the other hand, the feeding component 2 is driven by the buoyancy of the feeding component to drive the temporary rearing box 3 to move from bottom to top in the temporary storage pool with water when food needs to be added to the floating ball feeding component 2, so that the food is added to the feeding component 2 at the upper part of the temporary storage pool, through the gas injection of the floating ball component 2, the floating ball component 2 floats upwards by means of the buoyancy of the floating ball component 2 so as to add food into the floating ball component 2, on the other hand, the air injection of the floating ball component 2 provides the octopus with an environment with sufficient oxygen so as to facilitate the octopus to eat and grow, meanwhile, the gas injected into the floating ball component 2 can be used as blowing gas to blow the octopus to be separated and collected from the temporary rearing box 3 at a later stage;

the temporary storage pool 1 comprises a first side wall 11, a second side wall 12, a third side wall 13, a fourth side wall 14, a bottom plate 15 and a collection assembly 16, wherein the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 are vertically and fixedly connected end to end, the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 form a temporary storage cavity 17, four edges of the bottom plate 15 are fixedly connected with the bottoms of the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14, and the collection assembly 16 is arranged at the bottom of the temporary storage cavity; the collection assembly 16 is used for performing later-stage centralized collection on food impurities, and the three-dimensional structure of the temporary storage cavity 17 is convenient for the operation of the collection assembly 16.

The outer side of the first side wall 11 is fixedly connected with the ground D through an upright post 10, a sewage discharge channel 101 is arranged on the surface of the ground D, the sewage discharge channel 101 is in a T shape, the sewage discharge channel 101 comprises a transverse channel 1011 and a longitudinal channel 1012, the transverse channel 1011 is transversely arranged, the longitudinal channel 1012 is longitudinally arranged, the transverse channel 1011 is communicated with the longitudinal channel 1012, the transverse channel 1011 is positioned on one side of the upright post 10, the transverse channel 1011 is positioned at the bottom of the temporary storage pool 1, the longitudinal channel 1012 is positioned on the outer side of the temporary storage pool 1, the temporary storage pool 1 is positioned on the upper portion of the ground D, and a collection gap 102 is formed between; the collection gap 102 provides a certain working space for later-stage collection and pollution discharge operation, the transverse channel 1011 is used for collecting sewage and wastewater from the bottom of the temporary storage tank 1, the longitudinal channel is used for collecting octopus falling from the temporary storage tank 1 in the longitudinal direction, and the collection gap 102 is convenient for arrangement of collected objects such as a collection disc and operation of personnel.

The collecting assembly 16 comprises a pushing plate part 161, a collecting groove 162 and a discharging part 163, the collecting groove 162 is positioned on the bottom plate 15, a pushing plate 1611 of the pushing plate part 161 moves along the collecting groove 162, and the discharging part 163 is arranged on one side of the bottom plate 15; the pushing plate 161 cooperates with the collecting trough 162, the inward-inclined or concave structure of the collecting trough 162 facilitates the accumulation of shells or other food impurities toward the middle instead of the corners at both sides, facilitates the collection of impurities at the later stage, and in combination with the forward movement of the pushing plate 1611, the impurities falling into the collecting trough 162 are pushed to one side of the collecting trough 162 until they approach the discharging part 163 and are finally discharged from the discharging part 163, when the water in the temporary storage tank is discharged and impurities in the collection tank are discharged, the gas in the air bag of the floating ball component 2 is released and the gas is introduced into the air bag in an auxiliary way, the gas released from the air bag continuously rushes into the hole portion 32 in the temporary storage tank 3 to disturb and blow the octopus adsorbed in the hole portion 32, the octopus gradually separates from the hole portion 32, then falls from the nest through the bottom outlet into the collection trough and is pushed slightly by push plate 1611 to close the discharge section 163 and finally is discharged through the discharge section 163.

The collecting groove 162 comprises a first inclined surface 1621, a second inclined surface 1622 and a middle groove 1623, the first inclined surface 1621, the second inclined surface 1622 and the middle groove 1623 are all located on the bottom plate 15, the first inclined surface 1621 and the second inclined surface 1622 are distributed in an inverted eight shape, the middle groove 1623 is located between the first inclined surface 1621 and the second inclined surface 1622, and the middle groove 1623 is in an ︶ shape. The impurities on the inclined surfaces on the two sides can be gradually gathered at the middle groove 1623, so that the garbage can be conveniently and uniformly pushed to be collected.

Push pedal 161 includes push pedal 1611 and push rod 1612, and push pedal 1611 is platelike structure, and push pedal 1611 is located and keeps in 1 bottom of pond, and push rod 1612 is located two 12 outside one sides of lateral wall, and the piston rod of push rod 1612 seals and passes two 12 of lateral walls, and the piston rod tip and the push pedal 1611 one side of push rod 1612 are fixed connection mutually, and push rod 1612 drives push pedal 1611 and removes, is convenient for collect the rubbish in the collecting vat 162 fast.

A first inclined plane 16111, a first protruding plane 16112 and a second inclined plane 16113 are arranged at the bottom of the push plate 1611, the first inclined plane 16111 and the second inclined plane 16113 are both inclined, the first inclined plane 16111 and the second inclined plane 16113 are arranged in an inverted eight shape, the protruding plane 16112 is arranged between the first inclined plane 16111 and the second inclined plane 16113, the protruding plane 16112 is in an ︶ shape, the protruding plane 16112 is matched and attached to the middle groove 1623, the first inclined plane 16111 is attached to the first inclined plane 1621, and the second inclined plane 16113 is matched and attached to the second inclined plane 1622; push pedal 1611 corresponds the setting with collecting vat 162 phase-match, does benefit to the later stage and collects the rubbish in the collecting vat 162, avoids omitting the impurity of treating the collection.

Discharge material portion 163 includes bin outlet 1631, connect flitch 1632 and connect flitch baffle 1633, bin outlet 1631 is rectangle form open structure, bin outlet 1631 is located collecting vat 162 one side and bin outlet 1631 is close to bottom plate 15 one side edge, be convenient for like this impurity is unified to be pushed to the position department that leans on bottom plate 15 one side, bin outlet 1631 lower part sets up connects flitch 1632, connect flitch 1632 and bottom plate 15 fixed and connect flitch 1632 and bottom plate 15 contained angle alpha be 10-15 degrees mutually in the slope, preferred contained angle alpha is 13 degrees, connect flitch 1632 slope to set up downwards, connect flitch 1632 to be convenient for collect the whereabouts of material and collect, connect flitch 1632 exit to be located and indulge canal 1012 positive upper portion, connect flitch 1632 both sides fixed connect flitch baffle 1633, connect flitch baffle 1633 to be the strip structure, connect flitch baffle 1633 symmetry to be fixed in and. The inclined arrangement of the material receiving plate 1632 and the inclined arrangement of the material receiving plate 1631 facilitates the discharge of trash impurities or octopus from the discharge opening, and the outlet of the material receiving plate 1632 is aligned with the longitudinal channel 1012, so that the trash impurities or sewage can be directly discharged and then flow into the longitudinal channel 1012, and the octopus discharged from the material receiving plate 1632 can be directly collected by placing the collecting disc on the upper part of the longitudinal channel 1012, and the trash sewage in the process of collecting the octopus can be directly discharged from the longitudinal channel 1012.

Referring to fig. 2, a cover 16311 is disposed on the discharge opening 1631, the cover 16311 is rectangular, and rubber strips 163111 are fixed on four sides of the inner side of the cover 16311. Rubber strip 163111 plays sealed effect, uses or when carrying out the drainage to the pond of keeping in temporarily and separate apron 16311 and bin outlet 1631 phase, carries out the drainage on the one hand on the other hand then be convenient for later stage octopus from the bin outlet discharge.

A drain pipe 141 is arranged on one side of the bottom plate of the side wall IV 14, and a first valve 1411 is arranged on the drain pipe 141; the outlet end of the drain pipe 141 is directed toward the right upper portion of the cross channel 1011. The drain pipe 141 is used for discharging water in the temporary storage tank in advance when the octopus is required to be collected, the temporary storage tank is used as a place for collecting the octopus, and the octopus blown down from the hole portion 32 directly falls into the bottom of the temporary storage tank and is discharged from the discharge port through the pushing plate 1611.

Please refer to fig. 1, 3 and 4, the floating ball feeding assembly 2 includes a feeding box 21, an air bag 22, a limiting assembly 23, an inflating assembly 24 and a separating net 25, the feeding box 21 is a hollow round box structure, the upper part of the feeding box 21 is open, the air bag 22 is detachably wrapped on the outer wall of the feeding box 21, the air bag 22 and the feeding box 21 form an air storage chamber 260, the feeding box 21 is externally connected with the limiting assembly 23, the feeding box 21 ascends and descends along the limiting assembly 23, the inflating assembly 24 is connected with the air bag 22, the inflating assembly 24 inflates the air storage chamber 260, and the separating net 25 is arranged on the bottom plate of the feeding box 21; the feeding box 21 is used as a place for feeding octopus, when the octopus needs to be fed, the octopus enters the feeding box 21 from the temporary feeding box 3 through the inlet pipe 31, shellfish and the like are placed in the feeding box 21 in advance to supply food for the octopus, on the other hand, the air bag 22 on the upper portion of the feeding box 21 wraps the feeding box 21 to wrap the feeding environment of the octopus to form a dark environment, so that the octopus is prevented from being irradiated by external strong light, the dark environment formed by wrapping the feeding box 21 with the air bag 22 is also beneficial to the octopus to be fed better, the feeding box 21 and the air bag 22 form an air storage cavity 260, when a large number of octopus enter the feeding box 21 to be fed, a valve between the temporary feeding box 3 and the feeding box 21 is closed, sufficient gas in the air storage cavity 260 is beneficial to the octopus to feed well, and the valve is opened after the feeding is finished, so that the octopus crawls return;

the feeding box 21 comprises a box wall 211, a bottom plate 212, an embedded groove 213 and a bottom plate hole 214, wherein the box wall 211 is cylindrical, the bottom plate 211 fixes the bottom plate 212, the bottom plate hole 214 is formed in the bottom plate 212 in a penetrating mode, the bottom plate hole 214 is in a circular hole shape, the embedded groove 213 is formed in the upper portion of the outer side of the box wall 211, the embedded groove 213 surrounds the periphery of the upper portion of the box wall 211, and the cross section of the embedded groove 213 is in a shape like the Chinese character' ji. The embedded groove 213 is used for embedding the subsequent rubber ferrule 26 therein, so that the feeding box 21 and the air bag 22 can be sealed and fixed, then a relatively spacious feeding environment can be provided for the octopus, when food such as shellfish is required to be placed in the feeding box 21, the shellfish can be directly added into the feeding box 211 through the separation of the embedded block 261 and the embedded groove 213, and the bottom plate hole 214 is used for inserting the inlet pipe 31.

Please refer to fig. 5, the bottom of the air bag 22 is fixedly connected to the rubber collar 26, the rubber collar 26 surrounds the bottom of the air bag 22 for a circle, the inner side of the rubber collar 26 is integrally fixed with the embedded block 261, the embedded block 261 is matched with the embedded groove 213, and the diameter of the rubber collar 26 is slightly smaller than that of the feeding box 21. The embedded block 261 is gradually sleeved into the embedded groove 213 by supporting the rubber ferrule 26, so that the air bag 22 and the feeding box 21 are wrapped, the embedded block 261 is gradually separated from the embedded groove 213 by supporting the rubber ferrule 26, the air bag 22 is separated from the feeding box 21, and food such as shellfish can be put into the feeding box 21 in the later period.

The air bag 22 is wrapped on the upper part of the feeding box 21, the air bag 22 is made of pvc material, a first telescopic rod 221 and a second telescopic rod 222 are arranged in the air bag 22, the first telescopic rod 221 and the second telescopic rod 222 are symmetrically arranged, one end of the first telescopic rod 221 inclines towards one side of the top part of the inner wall of the air bag 22, the other end of the first telescopic rod 221 is fixedly connected with one side of the inner wall of the feeding box 21, one end of the second telescopic rod 222 inclines towards the other side of the top part of the inner wall of the air bag 22, the other end of the second telescopic rod, when the air bag 22 is inflated with air, the first telescopic rod 221 and the second telescopic rod 222 gradually rise along with the rising of the air bag 22, when the gas amount in the air bag 22 is insufficient, the air bag 22 moves downwards, and the first telescopic rod 221 and the second telescopic rod 222 play a certain role in supporting the air bag to prevent the air bag from suddenly falling to be close to the feeding box 21, so that the change process of the air bag 22 is softer;

spacing subassembly 23 includes gag lever post 231, spacing head 232 and electromagnetism absorption portion 233, gag lever post 231 is round bar shape, gag lever post 231 bottom is fixed in 11 inside wall lower parts of lateral wall through fixed block 230, spacing head 232 is fixed in box 2 lateral wall one side of feeding, spacing head 232 is rectangular plate shape, set up spacing hole 2321 on the gag lever post 232, spacing hole 2321 is the round hole form, gag lever post 231 passes spacing hole 2321, electromagnetism absorption portion 233 is fixed in the gag lever post 231 with box 21 of feeding near upper portion position with spacing head 232. The spacing head 232 moves up and down stably on the spacing rod 231, and when the spacing head 232 moves to the upper part, the position of the spacing head 232 is fixed through the electromagnetic adsorption part 233, so that the relative fixing of the position of the feeding box 21 is realized.

The electromagnetic adsorption part 233 comprises an electromagnet 2331 and an adsorption iron block 2332, the electromagnet 2331 is fixed on one side of the upper part of the limiting rod 231, the adsorption iron block 2332 is fixed on the upper end part of one side of the limiting head 232, and the adsorption iron block 2332 is arranged corresponding to the electromagnet 2331; when the limiting head 232 moves upwards to be close to the electromagnet 2331, the electromagnet 2331 is started to adsorb the adsorption iron block 2332, so that the position of the limiting head 232, namely the feeding box 21, is fixed.

The inflation assembly 24 comprises an inflator 241, a vent pipe 242 and a one-way valve 243, wherein the inflator 241 is fixed at the upper end of the first side wall 11, the inflator 241 is connected with the one-way valve 243 through the vent pipe 242, and the one-way valve 243 is fixed at the upper part of the air bag 22. The length of the air pipe 242 may be selected according to the actual situation, and the air pump 241 blows air into the air storage chamber 260 through the one-way valve 243.

Referring to fig. 4, the partition net 25 is a circular net structure, the partition net 25 is embedded in the inner sidewall of the feeding box 21, a waste storage gap 251 is formed between the partition net 25 and the bottom of the feeding box 21, and the temporary rearing box 3 upwardly passes through the bottom plate 212 and the partition net 25. Food shellfish is placed on the upper part of the separation net 25, and when food impurities such as shells and the like generated by the octopus in feeding enter the waste storage gap 251 at the lower part of the separation net through the separation net 25, temporary collection of waste is realized, and direct cleaning at the later stage is facilitated.

The temporary rearing box 3 comprises an inlet pipe 31, a hole part 32 and an outlet part 33, wherein the inlet pipe 31 protrudes out of the bottom end surface of the feeding box 21, the bottom of the vent pipe 31 is communicated with the hole part 32, and the hole part 32 is communicated with the outlet part 33; the inlet pipe 31 serves as a passage for the octopus to come in and out of the hollow portion 32, the hollow portion 32 serves as a place for the octopus to rest, and the outlet portion 33 serves as a passage for the octopus to come out of the hollow portion 32.

Referring to fig. 1, 6 and 7, the inlet pipe 31 includes a single inlet pipe 311 and a double inlet pipe 312, the single inlet pipe 311 and the double inlet pipe 312 are both located at the upper portion of the housing portion 32, the single inlet pipe 311 has one inlet, the single inlet pipe 311 is located near the edge of the feeding box 21, the double inlet pipe 312 is located at the middle position of the feeding box 21, and the inlets of the double inlet pipes 312 are two and are symmetrically arranged. The single inlet pipe 311 is used for the octopus to enter and exit the feeding box 21 from one side through the cave part 32; the double inlet pipe 312 is used for the octopus to enter and exit the feeding box 21 from both sides through the housing part 32, and the single inlet pipe 311 and the double inlet pipe 312 improve the effect of the octopus entering and exiting the housing part 32.

A second valve 3111 is arranged above the single inlet pipe 311 and the cave part 32;

a valve III 3120 is arranged at the upper parts of the double inlet pipe 312 and the cave part 32; the second valve 3111 and the third valve 3120 are used for blowing air towards the hole 32 in the air storage cavity 260, so that the octopus adsorbed on the inner side wall of the hole 32 is blown off to the bottom of the hole 32, the separation efficiency of the octopus from the hole 32 is improved by blowing air compared with a mode of cleaning the octopus out of the hole 32 by vibration, and on the other hand, when the second valve 3111 and the third valve 3120 are closed, the air can be stored in the air storage cavity 260, and a channel for the octopus to escape from the hole 32 is cut off.

The single inlet pipe 311 is in an S shape, the inlet of the single inlet pipe 311 faces the middle position of the feeding box 21, and the outlet of the single inlet pipe 311 is communicated with the inlet of the temporary rearing box 3. The curved, cavernous structure of the single inlet tube 311 facilitates the entry of attracting octopus.

Referring to fig. 7, the dual inlet tube 312 includes a first inlet tube 3121, a second inlet tube 3122, an expansion chamber 3123, a first side channel 3124 and a second side channel 3125, the first inlet tube 3121 and the second inlet tube 3122 are symmetrically disposed, the first inlet tube 3121 faces one side, the second inlet tube 3122 faces the other side, bottoms of the first inlet tube 3121 and the second inlet tube 3122 are communicated with the expansion chamber 3123, the expansion chamber 3123 is a hollow spherical cavity, a bottom of the expansion chamber 3123 is communicated with the first side channel 3124 and the second side channel 3125, the first side channel 3124 and the second side channel 3125 are symmetrically disposed, and ports of the first side channel 3124 and the second side channel 3125 are communicated with an upper portion of the cavity 32. The first inlet pipe 3121 and the second inlet pipe 3122 are beneficial for the octopus to enter in different directions, the first side channel 3124 and the second side channel 3125 prevent the entering octopus from being crowded together, and the first side channel 3124 and the second side channel 3125 are separated by the expansion chamber 3123, so that the process of the octopus entering the cave portion 32 is ordered.

Please refer to fig. 1 and 8, the cave portion 32 includes a cave box 321, a cave chamber 322 and a through hole 323, the cave box 321 is a hollow structure, the cave box 321 is made of transparent PP plastic, the through hole 323 is uniformly arranged on the outer wall of the cave box 321, the through hole 323 is in a circular hole shape, the cave chamber 322 is arranged in the cave box 321, two ends of the cave chamber 322 are narrow and the middle is wide, the diameter of the upper portion of the cave chamber 322 is gradually increased from top to bottom, the diameter of the cave chamber 322 is maximum when reaching the middle position, the diameter of the cave chamber 322 is gradually decreased when reaching the bottom position, the diameter of the cave chamber is minimum when reaching the bottom position, the through hole 323 outside the cave box 321 improves the permeability of the cave chamber 322, facilitates the entering exchange of liquid, facilitates the growth of octopus, the wide middle portion and the narrow ends of the cave chamber 322 structure increases the area for the octopus adsorption, and improves the stock of the octopus;

the hole-settling box 321 comprises an upper hole-settling box 3211 and a lower hole-settling box 3212, the outer walls of the upper hole-settling box 3211 and the lower hole-settling box 3212 are both communicated with each other to form a through hole 323, the upper hole-settling box 3211 is in a hollow conical shape, the upper end of the upper hole-settling box 3211 is provided with a hole-settling box inlet 32111, the bottom of the upper hole-settling box 3211 is communicated with the lower hole-settling box 3212, the lower hole-settling box 3212 is in an inverted hollow conical shape, and the lower end of the lower hole-settling box 3212 is provided with a hole-settling box outlet; the inlet 32111 of the settling tank communicates with the inlet pipe 31 and the outlet 32121 of the settling tank communicates with the outlet 33. The upper cave case 3211 and the lower cave case 3212 are matched to use, so that the octopus has a larger living space, the entrance 32111 of the cave case is communicated with the inlet pipe 31 to facilitate the octopus to climb upwards and enter the feeding box 21 to eat, and the exit pipe 32121 of the cave case is communicated with the exit part 33 to facilitate the octopus to escape from the exit part 33 after ventilation in the later period.

Please refer to fig. 9, the outlet part 33 includes an outlet connection pipe 331, an outlet funnel 332 and a shielding cover 333, the outlet connection pipe 331 is in a circular tube shape, the diameter of the outlet connection pipe 331 is slightly larger than the diameter of the outlet pipe 32121 of the cave box, the outlet connection pipe 331 is fixed on the outer wall of the outlet pipe 32121 of the cave box in a matching and sleeving manner, so that the outlet funnel 332 is convenient to mount or dismount according to the use condition, the living air of the octopus can be increased when the outlet funnel 332 is mounted, the survival of more octopus is facilitated, when the octopus needs to be discharged, the outlet funnel 332 can be separated from the outlet connection pipe 331 directly, the octopus is discharged from the outlet connection pipe 331 directly, the outlet connection pipe 331 is communicated with the outlet funnel 332, and the shielding cover 333 can; export funnel 332 is for falling the funnel form, export funnel 332 diameter is from last to crescent down, export funnel 332 bottom one side with hide net lid 333 and articulate mutually and be connected, it is netted for the metal filter to hide net lid 333, it sets up with export funnel 332 lower extreme opening phase-match to hide net lid 333, it sets up fixed head 331 to hide the net 333 other end, set up fixed orifices 3311 on the fixed head 331, export funnel 332 bottom opposite side sets up screw rod 3321, be provided with the nut through threaded connection's mode on the screw rod 3321, screw rod 3321 can match and pass fixed orifices 3311 and then will hide net lid 333 fixedly through the nut. In the normal temporary storage growth and eating process of the octopus, the outlet funnel 332 can also increase the area for the octopus to adsorb, so that the rest space of the octopus is increased, and at the moment, the screen cover 333 is covered to prevent the octopus from escaping.

When in use, the feeding box 21 is suspended and fixed by the electromagnet 2331 and the adsorption iron block 2332 which are adsorbed together;

bait such as shellfish is put into the feeding box 21, the shellfish is uniformly spread on the upper part of the separation net 25, and the inlet ends of the single inlet pipe 311 and the double inlet pipe 312 are protruded out of the upper part of the separation net 25;

then, the octopus is placed in the feeding box 21, the air bag 22 is sleeved on the upper part of the feeding box 21, and the air bag 22 is sleeved through the matching arrangement of the embedded block 261 and the embedded groove 213; the octopus eats baits such as shellfish on the separation net 25, and simultaneously, a certain amount of air is introduced into the air sac cavity 26 through the inflator 241, so that the octopus eats in a sufficient air environment.

Water is injected into the temporary storage pool 1, the electromagnet 2331 is separated from the adsorption iron block 2332, and the feeding box 21 descends into the water layer 18 of the temporary storage pool 1 under the action of self gravity;

after the octopus is eaten, the octopus climbs into the cave box 321 through the single inlet pipe 311 and the double inlet pipe 312 and depends on the inner wall of the cave room 322 for rest;

when baits such as shellfish and the like need to be added to the feeding box 21, the valve II 3111 and the valve III 3120 can be closed; the inflator 241 is started to ventilate the air bag cavity 26 through the vent pipe 242 and the one-way valve 243, the air bag inflates gradually, the feeding box 21 gradually floats upwards along with the air bag under the action of buoyancy, and then the feeding box 21 is adsorbed together through the electromagnet 2331 and the adsorption iron block 2332 again to suspend and fix the feeding box 21 in the air; then separating the air bag from the feeding box 21, then putting baits such as shellfish into the feeding box 21, and uniformly spreading the shellfish on the upper part of the separation net 25;

when the octopus needs to be collected, the valve II 3111 and the valve III 3120 are also closed; the inflator 241 is started to ventilate the air bag cavity 26 through the vent pipe 242 and the one-way valve 243, the air bag inflates gradually, the feeding box 21 gradually floats upwards along with the air bag under the action of buoyancy, then the feeding box 21 is adsorbed by the electromagnet 2331 and the adsorption iron block 2332 again to suspend and fix the feeding box 21 in the air, and at the moment, the first valve 1411 on the drain pipe 141 is opened; the water in the temporary storage pool 1 is completely drained into the cross channel 1011 by the drain pipe 141, then the cover plate 16311 is opened, the receiving tray is placed below the end part of the receiving plate 1632 to be collected, at the moment, the valve II 3111 and the valve III 3120 are opened, the air in the air bag cavity 26 directly enters the cave rooms 322 through the inlet pipe 31 to blow down the octopus attached to the inner walls of the cave rooms 322, the shielding cover 333 is opened until the octopus is drained through the outlet funnel 332 and the valve II 3111 and the valve III 3120 are closed, and then the push plate 1611 is pushed by the starting push rod 1612 to push the octopus falling into the collecting tank 162 into the discharge port 1631 and finally collected through the receiving plate 1632.

In the description herein, references to the description of "one embodiment," "an illustrated embodiment," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.

Claims

1. A three-dimensional aquaculture method for reducing mortality is characterized by comprising the following steps: the feeding box is suspended and fixed by the electromagnet and the adsorption iron block; bait such as shellfish is put into the feeding box, the shellfish is uniformly spread on the upper part of the separation net, and the inlet ends of the single inlet pipe and the double inlet pipe are protruded out of the upper part of the separation net; then, the octopus is placed in a feeding box, the air bag is sleeved at the upper part of the feeding box, and the air bag is sleeved particularly through the matching arrangement of the embedding block and the embedding groove; the octopus eats baits such as shellfish on the separation net, and simultaneously a certain amount of air is introduced into the air bag cavity through the inflator pump, so that the octopus eats in a sufficient air environment;

2. The method according to claim 1, wherein an outer side of the sidewall is fixedly connected to a ground D through a vertical column, the ground D is provided with a sewage draining channel on a surface thereof, the sewage draining channel is "T" shaped, the sewage draining channel comprises a transverse channel and a longitudinal channel, the transverse channel is transversely arranged, the longitudinal channel is longitudinally arranged, the transverse channel is communicated with the longitudinal channel, the transverse channel is located on one side of the vertical column and located at a bottom position of the temporary storage pool, the longitudinal channel is located outside the temporary storage pool, the temporary storage pool is located on an upper portion of the ground D, and a collecting gap is formed between the temporary storage pool and the ground D.

3. The method for three-dimensional aquaculture with reduced mortality of claim 2, wherein the collecting assembly comprises a pushing plate part, a collecting tank and a discharging part, wherein the collecting tank is located on a bottom plate, the pushing plate of the pushing plate part moves along the collecting tank, and the discharging part is arranged on one side of the bottom plate; the collecting groove comprises a first inclined surface, a second inclined surface and a middle groove, the first inclined surface, the second inclined surface and the middle groove are all positioned on the bottom plate, the first inclined surface and the second inclined surface are distributed in an inverted eight shape, the middle groove is positioned between the first inclined surface and the second inclined surface, and the middle groove is in an ︶ shape; the push plate comprises a push plate and a push rod, the push plate is of a plate-shaped structure and is positioned at the bottom of the temporary storage tank, the push rod is positioned on one side of the outer part of the side wall, a piston rod of the push rod penetrates through the second side wall in a sealing mode, and the end part of the piston rod of the push rod is fixedly connected with one side of the push plate; the bottom of the push plate is provided with a first inclined plane, a first protruding plane and a second inclined plane, the first inclined plane and the second inclined plane are both inclined and arranged in an inverted 'eight' shape, the protruding plane is arranged between the first inclined plane and the second inclined plane and in an '︶' shape, the protruding plane is matched and attached to the middle groove, the first inclined plane is attached to the first inclined plane, and the second inclined plane is matched and attached to the second inclined plane; the discharging part comprises a discharging opening, material receiving plates and material receiving plate baffles, the discharging opening is of a rectangular opening structure, the discharging opening is located on one side of the collecting tank, the edge of one side, close to the bottom plate, of the discharging opening, the material receiving plates are arranged on the lower portion of the discharging opening, the material receiving plates are obliquely and fixedly arranged with the bottom plate, the included angle alpha between the material receiving plates and the bottom plate is 10-15 degrees, the material receiving plates are obliquely and downwards arranged, the outlet portions of the material receiving plates are located on the right upper portion of the longitudinal channel, the material receiving plate baffles are fixedly arranged on the two sides of the material receiving plates; the cover plate is arranged on the discharge port and is rectangular, and rubber strips are fixed on four sides of the inner side of the cover plate.

4. The three-dimensional aquaculture method for reducing the mortality rate of claim 2, wherein one side of the four bottom plates of the side wall is provided with a drain pipe, and the drain pipe is provided with a first valve; the outlet end of the drain pipe faces to the right upper part of the cross channel.

5. The three-dimensional aquaculture method for reducing the death rate of claim 4, wherein the electromagnetic adsorption part comprises an electromagnet and an adsorption iron block, the electromagnet is fixed on one side of the upper part of the limiting rod, the adsorption iron block is fixed on the upper end part of one side of the limiting head, and the adsorption iron block and the electromagnet are arranged correspondingly.

6. The three-dimensional aquaculture method for reducing the mortality rate of claim 5, wherein the separation net is a circular net structure, the separation net is embedded in the inner side wall of the feeding box, a waste storage gap is formed between the separation net and the bottom of the feeding box, and the temporary rearing box penetrates upwards through the bottom plate and the separation net.

7. The method of claim 6, wherein a second valve is disposed at the upper part of the single inlet pipe and the cave part; a third valve is arranged on the upper parts of the double inlet pipes and the cave part; the single inlet pipe is S-shaped, the inlet of the single inlet pipe faces the middle position of the feeding box, and the outlet of the single inlet pipe is communicated with the inlet of the temporary rearing box; the two inlet tubes include inlet tube one, inlet tube two, the extension room, side passageway one and side passageway two, inlet tube one, inlet tube two-phase symmetry sets up, inlet tube one is towards one side, inlet tube two is towards the opposite side, inlet tube one, two bottoms of inlet tube are linked together with the extension room, the extension room is the spherical chamber of cavity, extension room bottom and side passageway one, side passageway two-phase intercommunication, side passageway one, the setting of side passageway two-phase symmetry, side passageway one, the port of side passageway two is linked together with cave portion upper portion.

8. The method of claim 7, wherein the bottom of the upper tank is connected to the lower tank, the lower tank is in the form of an inverted hollow cone, the upper tank is in the form of a hollow cone, the lower tank is in the form of a hollow cone, the lower end of the lower cave box is provided with an outlet pipe of the cave box; the inlet of the cave box is communicated with the inlet pipe, and the outlet pipe of the cave box is communicated with the outlet part.

9. The three-dimensional aquaculture method for reducing the mortality rate of claim 8, wherein the outlet part comprises an outlet connecting pipe, an outlet funnel and a shielding cover, the outlet connecting pipe is in a circular pipe shape, the diameter of the outlet connecting pipe is directly slightly larger than that of the outlet pipe of the cave box, the outlet connecting pipe is matched, sleeved and fixed on the outer wall of the outlet pipe of the cave box, the outlet connecting pipe is communicated with the outlet funnel, and the shielding cover can be arranged at the lower end of the outlet funnel in a buckling manner; export funnel is for falling the funnel form, export funnel diameter is from last to crescent down, export funnel bottom one side with hide the net lid and articulate mutually and be connected, hide the net lid and strain netted for the metal, hide net lid and export funnel lower extreme opening phase-match and set up, shelter from the net other end and set up the fixed head, set up the fixed orifices on the fixed head, export funnel bottom opposite side sets up the screw rod, the mode through threaded connection on the screw rod is provided with the nut, the screw rod can match and pass the fixed orifices then will hide the net lid through the nut and fix.