CN110150202A - Multifunctional crab class cultivation apparatus - Google Patents

Abstract

The present invention provides Multifunctional crab class cultivation apparatus, belong to aquaculture device field, including multiple breeding boxes, breeding box is the box-like of upper side opening, each breeding box is arranged to form matrix form cultivation structure with vertical direction by row, column in the horizontal direction respectively, the top of top layer breeding box is equipped with water inlet pipe, and water inlet pipe corresponds to top layer breeding box equipped with water inlet, and the lower section of bottom culture box is equipped with drainpipe；Vertical overflow pipe is provided in breeding box, the upper end of overflow pipe is higher by breeding box bottom surface, and overflow pipe lower end is extended downwardly from the bottom surface of water chamber, and the overflow pipe of neighbouring breeding box is separately positioned on the left-half and right half part of respective breeding box bottom surface.Have the beneficial effect that device can provide enough activity spaces not only for crab, and it can efficiently and rapidly complete flushing to breeding box, have both muting function, the floating foul that crab generates can be kept apart in breeding process with its living space, be a kind of efficient Multifunctional crab class cultivation apparatus.

Description

Multifunctional crab class cultivation apparatus

Technical field

The present invention relates to aquaculture fields, and in particular to Multifunctional crab class cultivation apparatus.

Background technique

Crab (p á ng xie): the animal kingdom, Arthropoda, crust subphylum, hapalonychia guiding principle, true Malacostraca, Decapoda, abdomen Embryo suborder, mesh under short-tail.It is shellfish (crustacean), body is protect by hard shell, breathes by the gill.In biological classification On, it and shrimp, lobster, hermit crab are species.Crab protein rich in and microelement, there is very well body Tonic effect.Contain more vitamin A in crab, it is helpful to the angling of skin.Crab eats crab pair there are also treating tuberculosis effect Rehabilitation lungy has greatly help.As the improvement of people's living standards, the supply of the annual crab in China is constantly rising, this The development of culture fishery is greatly facilitated.In the prior art, people are usually and are placed on more crabs when raising crab It is raised in one big breeding cage or pond, since crab is easy death rate height of fighting mutually during changing shell, moreover, The food amount of each crab is different when feeding bait, and what is had easy eat more and some and then eat less than be easy to causeing crab growth so not Good, it is that a cage, such breeding way are placed in the pond of certain area that on the other hand present crab, which is mostly horizontal raising, Not only cultivation amount is low, takes up a large area, but also wastes land resource and water area resource.

The prior art, such as Chinese invention granted patent document, 104094873 B of Authorization Notice No. CN, the disclosure of the invention A kind of soft crab breeding facility, the invention device include multiple breeding boxes, and each breeding box is respectively in the horizontal direction and vertical direction It arranges to form matrix form cultivation structure by row, column, there are vertical overflow pipe, the overflow of neighbouring breeding box in the bottom surface of breeding box Pipe is separately positioned on respective breeding box bottom surface left-half and right half part, and the overflow pipe bottom end of upper layer breeding box will be lower than lower layer The top of breeding box overflow pipe, the most top of lastrow breeding box are equipped with water inlet pipe, are equipped with draining below most next line breeding box Pipe.The invention not only provides independent breeding spaces to soft crab, but also improves the circulation of the water in breeding process, promotes soft shell The growth of crab.But have two overflow pipes in each breeding box in the invention device, occupy biggish space, therefore crab The activity space of crab is greatly reduced, and the activity intensity of crab is reduced, and is unfavorable for the health of crab, in addition, upper layer breeding box In the pollutants such as floating material, suspended matter and sediment can flow into lower layer's breeding box, the crab in breeding box is caused lasting It influences.

Summary of the invention

The purpose of the present invention is to provide Multifunctional crab class cultivation apparatus, the present apparatus can provide enough work not only for crab Dynamic space, and the flushing to breeding box can be efficiently and rapidly completed, while having both muting function, it can be incited somebody to action in breeding process The floating foul that crab generates is kept apart with its living space, is a kind of efficient Multifunctional crab class cultivation apparatus.

The technical solution that the present invention is taken to achieve the above object are as follows: Multifunctional crab class cultivation apparatus, including it is multiple feeding Grow box, breeding box is the box-like of upper side opening, breeding box include cultivate box main body and be divided into main body two sides water chamber and Enter water cavity, each breeding box is arranged to form matrix form cultivation structure with vertical direction by row, column in the horizontal direction respectively；Breeding box It is provided with vertical overflow pipe in water chamber, the upper end of overflow pipe is higher by breeding box bottom surface, and overflow pipe lower end is from the bottom of water chamber Extend downwards；The overflow pipe of neighbouring breeding box is separately positioned on the left-half and right side of respective breeding box bottom surface Point, the overflow pipe bottom end of upper layer breeding box is lower than the top of lower layer's breeding box overflow pipe；The top of top layer breeding box is equipped with water inlet Pipe, water inlet pipe correspond to top layer breeding box equipped with water inlet, and the lower section of bottom culture box is equipped with drainpipe, and bottom culture box is by overflowing Flow tube is connected with drainpipe；Water inlet pipe need to only be arranged above the top layer breeding box, draining is arranged below bottom culture box for the present apparatus Pipe supplies lower layer's breeding box using each water for arranging breeding box overflow at the middle and upper levels, is guaranteeing the case where breeding water constantly recycles Under, the cultivation demand of crab class is fully met, and cultivation box structure and its mounting means are succinctly secured, water inlet, drainage pipeline point The overflow pipe or so of cloth clear and rational, upper and lower level breeding box is alternately arranged, and for single breeding box, water inlet and draining are located at The left and right sides of breeding box not only promotes flowing of the water in breeding box, is conducive to take away the deposit in breeding box, and Enough activity spaces are left for crab, crab movement is may advantageously facilitate, enhances the physical fitness of crab, improve immunity energy Power improves survival rate；The overflow pipe bottom end of upper layer breeding box is lower than the top of lower layer's breeding box overflow pipe, can greatly reduce water The impulsive sound of stream reduces the noise pollution to crab, while the deposit in deep water can have been rushed row by the water outlet of overflow bottom of the tube Out.

Overflow pipe is equipped with the siphon pipe across overflow tube wall, the bottom of the outer end fitting breeding box of siphon pipe, siphon The inner end of pipe hangs down to breeding box floor height hereinafter, siphon pipe passes through the position of overflow tube wall higher than feeding along overflow inside pipe wall The bottom surface of box is grown, and forms U-shaped bending at overflow tube wall passing through, and the bottom end of the overflow pipe in the breeding box of upper layer is lower than The top of siphon pipe U-shaped bending；The top of lower layer's overflow pipe, the top of siphon pipe U-shaped bending, upper layer overflow pipe bottom three Mutual alignment relation are as follows: the top of the top highest of lower layer's overflow pipe, siphon pipe U-shaped bending is placed in the middle, the bottom of upper layer overflow pipe Portion is minimum；When water flow is larger, the water surface in breeding box is higher than the top of lower layer's overflow pipe, and water can be flowed into down by overflow pipe Layer breeding box completes water circulation；When water flow is smaller, the water surface can slowly decline, when water surface elevation is down to than siphon pipe U-shaped bending Top it is slightly higher when, the water of breeding box deep layer can be extracted out and be discharged by the siphonage of siphon pipe, until siphon finishes, complete to support Grow the whole circulation of water in box；By the setting of the position of overflow pipe and siphon pipe, cooperates water inlet pipe, may be implemented to breeding box The high efficiency of middle water regulates and controls, while also having cleaning action.

Preferably, breeding box side medium position is equipped with the bearing plate of vertical direction, the upper end of bearing plate opens up groove, Lower end offers protrusion, and groove mutually agrees with protrusion；By bearing plate, being located at the bilevel breeding box of same row can be secured Agree with, install, dismantle it is simple, it is time saving and energy saving.

Preferably, the outside taper of the front side waist portion of breeding box is prominent, taper lower half portion outstanding and breeding box one Molding, the top half of tapered protrusion is the cover board that can be dug；It, can in the case where not dismantling breeding box by the design of cover board Easily to check and take out the crab in breeding box.

Preferably, water chamber, enter water cavity and be equipped with connection wall setting up separately with the one side top that combines of cultivation box main body, under The interface channel that part is arranged for opening；The setting of interface channel not only can make the water in breeding box is straightway to pass through, But also biting, grabbing and tear for crab can be prevented, the life growth region for passing in and out water area and crab is distinguished, reduction pair The stimulation of crab expands the scope of activities of crab, leaves enough activity spaces for crab, may advantageously facilitate crab movement, Enhance the physical fitness of crab, improve immunocompetence, improves survival rate.

Preferably, connection wall is made of the first connecting plate, the second connecting plate, third connecting plate, and the second connecting plate, Third connecting plate can slide up and down；By adjusting the extension elongation of the second connecting plate, third connecting plate, can expeditiously control Souring of the water flow processed to breeding box；When the second connecting plate, the third connecting plate of the connection wall for entering water cavity, water chamber all contract Be back to the first connecting plate with it is long when, increase water inlet water inlet tube water flow, promptly breeding box can be rinsed；When entering water cavity The second connecting plate, the third connecting plate of connection wall all stretch out, and the second connecting plate of the connection wall of water chamber, third connect Fishplate bar be fully retracted into the first connecting plate with it is long when, the floating foul entered in water cavity can rest in water cavity, while crab Floating foul in the cultivation box main body of zone of action can enter water chamber, then enter and stop to lower layer by overflow pipe Enter water cavity, so as to which effectively floating foul is isolated in water cavity, guarantees the cleaning water quality in breeding box, improve cultivation The quality of environment promotes the growth of crab.

Preferably, the lower part of the first connecting plate, the second connecting plate and the exsertile part face water flow of third connecting plate A side surface be distributed with the arc groove to differ in size, the depth of arc groove is 2.0-5.0mm；Arc groove can be to coming head-on Water flow play the role of buffering, substantially reduce the impulsive sound of water flow, keep the peace and quiet of crab living area, avoid making crab At excessive excessive stimulation, the stress reaction of crab is reduced, improves survival rate.

The invention has the benefit that

1) in apparatus of the present invention, for single breeding box, water inlet and draining not only promote positioned at the left and right sides of breeding box Flowing of the water in breeding box is conducive to take away the deposit in breeding box, and it is empty for crab to leave enough activities Between, it may advantageously facilitate crab movement, enhance the physical fitness of crab, improve immunocompetence, improve survival rate, be a kind of efficient Multifunctional crab class cultivation apparatus；

2) by the adjusting to the second connecting plate, third connecting plate in connection wall, can not only water inlet tube water flow of intaking increased When promptly breeding box is rinsed, and effectively the floating foul in breeding box can be isolated in water cavity, be protected The cleaning water quality in breeding box is demonstrate,proved, the quality of breeding environment is improved, promotes the growth of crab；

3) arc groove in connection wall can play the role of buffering to the water flow to come head-on, substantially reduce the impact of water flow Sound keeps the peace and quiet of crab living area, avoids causing crab excessive excessive stimulation, reduces the stress reaction of crab, mention High-survival rate.

Present invention employs above-mentioned technical proposals to provide a kind of Multifunctional crab class cultivation apparatus, compensates for the prior art not Foot, reasonable design, easy operation.

Detailed description of the invention

Fig. 1 is cultivation structural schematic diagram of the invention；

Fig. 2 is the structural schematic diagram of upper layer and lower layer breeding box of the present invention；

Fig. 3 is the structural schematic diagram of the single breeding box of the present invention；

Fig. 4 is the structural schematic diagram of water chamber of the present invention；

Fig. 5 is the structural schematic diagram of connection wall of the present invention；

Fig. 6 is the partial enlarged view in Fig. 5 of the present invention at A；

Fig. 7 is the relative position schematic diagram of overflow pipe, siphon pipe, connection wall in the present invention.

Description of symbols: 1. breeding boxes；2. water inlet pipe；3. drainpipe；4. water inlet；5. overflow pipe；6. siphon pipe；7. Interface channel；8. water chamber；9. entering water cavity；10. cover board；11. bearing plate；12. groove；13. protrusion；14. connection wall；15. the One connecting plate；16. the second connecting plate；17. third connecting plate；18. arc groove.

Specific embodiment

It is described in further detail with reference to embodiments with attached drawing:

Embodiment 1:

As shown in figs. 1-7, Multifunctional crab class cultivation apparatus, including multiple breeding boxes 1, breeding box 1 are the box-like of upper side opening, Breeding box 1 includes 1 main body of breeding box and the water chamber 8 for being divided into main body two sides and enters water cavity 9, the front side waist portion of breeding box 1 to Male-tapered is prominent, and taper lower half portion outstanding and breeding box 1 are integrally formed, and the top half of tapered protrusion is the lid that can be dug Plate 10, each breeding box 1 are arranged to form matrix form cultivation structure with vertical direction by row, column in the horizontal direction respectively；1 side of breeding box Middle face position is equipped with the bearing plate 11 of vertical direction, and the upper end of bearing plate 11 opens up groove 12, and lower end offers protrusion 13, recessed Slot 12 mutually agrees with protrusion 13；Vertical overflow pipe 5 is provided in the water chamber 8 of breeding box 1, the upper end of overflow pipe 5 is higher by feeding 1 bottom surface of box is grown, 5 lower end of overflow pipe is extended downwardly from the bottom surface of water chamber 8；The overflow pipe 5 of neighbouring breeding box 1 is respectively set 5 bottom end of overflow pipe of left-half and right half part in respective 1 bottom surface of breeding box, upper layer breeding box 1 is lower than lower layer's breeding box 1 The top of overflow pipe 5；The top of top layer breeding box 1 is equipped with water inlet pipe 2, and the corresponding top layer breeding box 1 of water inlet pipe 2 is equipped with water inlet 4, The lower section of bottom culture box 1 is equipped with drainpipe 3, and bottom culture box 1 is connected by overflow pipe 5 with drainpipe 3；The present apparatus only need to be Water inlet pipe 2 is set above top layer breeding box 1, drainpipe 3 is set below bottom culture box 1, utilizes each column breeding box 1 at the middle and upper levels The water of overflow supplies lower layer's breeding box 1, and in the case where guaranteeing that breeding water constantly recycles, the cultivation for fully meeting crab class is needed It asks, and 1 structure of breeding box and its mounting means are succinctly secured, by bearing plate 11, is located at the bilevel cultivation of same row Box 1 can firmly agree with, and install, dismantle simple, time saving and energy saving, water inlet, drainage pipeline distribution clear and rational, feeding not dismantling It is checked and the crab in taking-up breeding box 1 in the case where growing box 1 by what cover board 10 can be convenient；For single breeding box 1 It says, water inlet and draining not only promote flowing of the water in breeding box 1, are conducive to take away feeding positioned at the left and right sides of breeding box 1 The deposit in box 1 is grown, and leaves enough activity spaces for crab, crab movement is may advantageously facilitate, enhances crab Physical fitness improves immunocompetence, improves survival rate；The overflow pipe 5 or so of upper and lower level breeding box 1 is alternately arranged, upper layer cultivation 5 bottom end of overflow pipe of box 1 is lower than the top of 1 overflow pipe 5 of lower layer's breeding box, can greatly reduce the impulsive sound of water flow, reduction pair The noise pollution of crab, while 5 bottom of overflow pipe goes out water energy and the deposit in deep water has been rushed discharge.

Overflow pipe 5 is equipped with the siphon pipe 6 across 5 tube wall of overflow pipe, and the outer end of siphon pipe 6 is bonded the bottom of breeding box 1, The inner end of siphon pipe 6 hangs down to 1 floor height of breeding box hereinafter, siphon pipe 6 passes through 5 tube wall of overflow pipe along 5 inner wall of overflow pipe Position is higher than the bottom surface of breeding box 1, and U-shaped bending is formed at 5 tube wall of overflow pipe passing through, and overflowing in upper layer breeding box 1 The bottom end of flow tube 5 is lower than the top of siphon pipe 6U shape bending；The top of lower layer's overflow pipe 5, siphon pipe 6U shape bending top, on The mutual alignment relation of the bottom three of layer overflow pipe 5 are as follows: the top highest of lower layer's overflow pipe 5, the top of siphon pipe 6U shape bending Portion is placed in the middle, and the bottom of upper layer overflow pipe 5 is minimum；When water flow is larger, the water surface in breeding box 1 is higher than the top of lower layer's overflow pipe 5 Portion, water can flow into lower layer's breeding box 1 by overflow pipe 5, complete water circulation；When water flow is smaller, the water surface can slowly decline, when When water surface elevation is down to more slightly higher than the top of siphon pipe 6U shape bending, the siphonage of siphon pipe 6 can be by 1 deep layer of breeding box Water extraction discharge completes the whole circulation of water in breeding box 1 until siphon finishes；Pass through the position of overflow pipe 5 and siphon pipe 6 Setting, cooperate water inlet pipe 2, may be implemented in breeding box 1 water high efficiency regulation, while also have cleaning action.

Water chamber 8 enters water cavity 9 and sets up separately on the one side top combined with 1 main body of breeding box to be equipped with connection wall 14, lower part For the interface channel 7 of opening setting；The setting of interface channel 7 can not only make the water in breeding box 1 is straightway to pass through, But also biting, grabbing and tear for crab can be prevented, the life growth region for passing in and out water area and crab is distinguished, reduction pair The stimulation of crab expands the scope of activities of crab, leaves enough activity spaces for crab, may advantageously facilitate crab movement, Enhance the physical fitness of crab, improve immunocompetence, improves survival rate.

0.6 part of konjaku glucomannan and 4.5 parts of starch powders are weighed, is distributed in 160 parts 25 DEG C of distilled water, 5 minutes formation konjaku glucomannan/starch dispersion liquids are stirred under 500r/min, and the beaker equipped with dispersion liquid is then placed in 90 DEG C Thermostat water bath in, stirred 1 minute under 800r/min, then sequentially added while stirring in two minutes 2.0 parts of glycerol, 1.4 parts of hydroxypropyl methyl celluloses, 0.3 part of carragheen, 0.8 part of pectin, 0.025 part of ethyl lactate, 0.3 part of sodium alginate, 0.4 Part agar takes out after continuing stirring 1 hour under 90 DEG C of bath temperatures, mixed sols syringe is injected organic glass mold In, bottom is lived in rubber plug sealing, removes after fixing 1 hour and fills in up and down, precooling 10 hours in -25 DEG C of low temperature refrigerators of transposition, It takes out, places sample to vacuum freeze drier after demoulding, -50 DEG C of condenser temperature, vacuum degree 20Pa are set, vacuum refrigeration is dry It is taken out after dry 24 hours and the first connecting plate 15, the second connecting plate 16, third connecting plate 17 with arc groove 18 is made；Lactic acid second The mass ratio of (S)-ethyl lactate and (R)-ethyl lactate is 35:1, (the S)-ethyl lactate and (R)-lactic acid of special proportion in ester Ethyl ester can produce cooperative gain effect, and it is fine that cooperative gain effect can greatly reinforce konjaku glucomannan, hydroxypropyl methyl Element, the crosslinked action between glue class, lipid are tieed up, the bonding strengthened between cross-linked scaffold attracts, and can efficiently separate cross-linked scaffold and fill out Object is filled, enhances the mechanical strength and shock resistance of connecting plate, extends the service life of connecting plate, save the cost, while again may be used To improve porosity, increase porosity, makes the first connecting plate 15, the second connecting plate 161, third connecting plate 17 in protecting against shock, drop Have effects that adsorb pollutant while making an uproar, can effectively adsorb the suspended contaminant in cultivation water, purify water, improves crab Living environment.

Connection wall is made of the first connecting plate 15, the second connecting plate 16, third connecting plate 17, and the second connecting plate 16, Third connecting plate 17 can slide up and down；It, can be efficient by adjusting the extension elongation of the second connecting plate 16, third connecting plate 17 Water flow is controlled to rate to the souring of breeding box 1；When the connection wall 14 for entering water cavity 9, water chamber 8 the second connecting plate 16, Three connecting plates 17 be all retracted to the first connecting plate 15 with it is long when, increase water inlet pipe 2 intake water flow, can be promptly to cultivation Box 1 is rinsed；The second connecting plate 16, all stretchings, and water chamber of third connecting plate 17 when the connection wall 14 for entering water cavity 9 The second connecting plate 16, the third connecting plate 17 of 8 connection wall 14 be fully retracted into the first connecting plate 15 with it is long when, enter water cavity 9 In floating foul can rest in water cavity 9, while the floating foul in 1 main body of breeding box of crab zone of action can enter Then water chamber 8 enters by overflow pipe 5 and stops to lower layer and enter water cavity 9, so as to effectively will floating foul isolation In entering water cavity 9, guarantees the cleaning water quality in breeding box 1, improve the quality of breeding environment, promote the growth of crab.

The lower part of first connecting plate 15, the second connecting plate 16 and the one of the exsertile part face water flow of third connecting plate 17 The arc groove 18 to differ in size is distributed in side surface, and the depth of arc groove 18 is 3.0-4.0mm；Arc groove 18 can to head-on and The water flow come plays the role of buffering, substantially reduces the impulsive sound of water flow, keeps the peace and quiet of crab living area, avoids to crab Excessive excessive stimulation is caused, the stress reaction of crab is reduced, improves survival rate.

Routine techniques connection or the prior art of routine techniques dawn known to those skilled in the art in above-described embodiment, Such as the installation of elastomeric spring, therefore in this not go into detail.

Embodiment 2:

As shown in figs. 1-7, Multifunctional crab class cultivation apparatus, when cultivating crab, respectively in the horizontal direction and vertically by breeding box 1 Direction is arranged that form matrix form cultivates structure by row, column, and the overflow pipe 5 of neighbouring breeding box 1 is separately positioned on respective cultivation The left-half and right half part of 1 bottom surface of box open water inlet pipe 2, drainpipe 3, young crab are placed in 1 main body of breeding box and is carried out Raising；The second connecting plate 16 of 9 connection wall 14 of water cavity will be entered, third connecting plate 17 all stretches out, 9 connection wall 14 of water cavity the will be entered The bottom surface of three connecting plates 17 is set to 5 bottom part down of overflow pipe, at the same by the second connecting plate 16 of 8 connection wall 14 of water chamber, Third connecting plate 17 is fully retracted into, with length, the floating foul entered in water cavity 9 can be rested on into water cavity 9 with the first connecting plate 15 In, while the floating foul in 1 main body of breeding box of crab zone of action can enter water chamber 8, then enter by overflow pipe 5 And entering in water cavity 9 to lower layer's breeding box 1 is stopped, so as to which effectively floating foul is isolated in water cavity 9, guarantee to support The cleaning water quality in box 1 is grown, the quality of breeding environment is improved, promotes the growth of crab.The connection wall of water cavity 9, water chamber 8 will be entered 14 the second connecting plate 16, third connecting plate 17 are all retracted to the first connecting plate 15 with long, can increase the water inlet of water inlet pipe 2 Water flow can promptly be rinsed breeding box 1.Crayfish culture device of the invention, both can with efficient cultivated crabs class, Automatically cleaning efficiently succinctly can be carried out to crayfish culture device again, realize the multifunction of crayfish culture device.

The depth of arc groove 18 is not limited only to as 2.0-5.0mm, the 4.8mm that can also be 2.1mm, 2.2mm, 2.3mm ..., 4.9mm。

The prior art of routine techniques dawn known to those skilled in the art in above-described embodiment, therefore herein no longer in detail It repeats.

The above embodiments are only used to illustrate the present invention, and not limitation of the present invention, the ordinary skill people of this field Member can also make a variety of changes and modification without departing from the spirit and scope of the present invention.Therefore, all equivalent Technical solution also belong to scope of the invention, scope of patent protection of the invention should be defined by the claims.

Claims (7)

1. Multifunctional crab class cultivation apparatus, including multiple breeding boxes (1), it is characterised in that: the breeding box (1) is opened for upper side Mouthful it is box-like, the breeding box (1) includes that cultivation and is divided into the water chamber (8) of main body two sides and enters water cavity (9), institute box main body Each breeding box (1) is stated to arrange to form matrix form cultivation structure by row, column with vertical direction in the horizontal direction respectively；The breeding box (1) it is provided with vertical overflow pipe (5) in water chamber (8), the upper end of the overflow pipe (5) is higher by breeding box (1) bottom surface, institute The lower end for stating overflow pipe (5) is extended downwardly from the bottom surface of water chamber (8)；The overflow pipe (5) of the neighbouring breeding box (1) point It She Zhi not be at the left-half and right half part of respective breeding box (1) bottom surface, overflow pipe (5) bottom of the upper layer breeding box (1) End is lower than the top of lower layer's breeding box (1) overflow pipe (5).

2. Multifunctional crab class cultivation apparatus according to claim 1, it is characterised in that: the overflow pipe (5) is equipped with and wears Cross the siphon pipe (6) of overflow pipe (5) tube wall, the bottom of outer end fitting breeding box (1) of the siphon pipe (6), the siphon pipe (6) inner end hangs down to breeding box (1) floor height hereinafter, the siphon pipe (6) passes through overflow pipe along overflow pipe (5) inner wall (5) position of tube wall is higher than the bottom surface of breeding box (1), and U-shaped bending is formed at the overflow pipe (5) tube wall passing through, described The top of lower layer's overflow pipe (5), the top of siphon pipe (6) U-shaped bending, upper layer overflow pipe (5) bottom three mutual alignment Relationship are as follows: the top of the top highest of lower layer's overflow pipe (5), siphon pipe (6) the U-shaped bending is placed in the middle, and the upper layer is overflow The bottom of flow tube (5) is minimum.

3. Multifunctional crab class cultivation apparatus according to claim 1, it is characterised in that: in the middle part of breeding box (1) side Position is equipped with the bearing plate (11) of vertical direction, and the upper end of the bearing plate (11) opens up groove (12), and lower end offers protrusion (13).

4. Multifunctional crab class cultivation apparatus according to claim 1, it is characterised in that: the front side waist of the breeding box (1) The outside taper in portion is prominent, and the taper lower half portion outstanding and breeding box (1) are integrally formed, the upper half of the tapered protrusion It is divided into the cover board (10) that can be dug.

5. Multifunctional crab class cultivation apparatus according to claim 1, it is characterised in that: the water chamber (8) enters water cavity (9) set up separately on the one side top combined with breeding box (1) main body and be equipped with connection wall (14), lower part is divided into the connection of connection setting Channel (7).

6. Multifunctional crab class cultivation apparatus according to claim 5, it is characterised in that: the connection wall (14) is connected by first Fishplate bar (15), the second connecting plate (16), third connecting plate (17) composition, and second connecting plate (16), third connecting plate (17) it can slide up and down.

7. Multifunctional crab class cultivation apparatus according to claim 6, it is characterised in that: under first connecting plate (15) One side surface in portion, the second connecting plate (16) and the exsertile part face water flow of third connecting plate (17), which is distributed with, to differ in size Arc groove (18), the depth of the arc groove (18) is 2.0-5.0mm.