阅读说明：本技术 一种温度可控的拟穴青蟹苗种中间培育装置和方法 (Temperature-controllable intermediate cultivation device and method for scylla paramamosain fries ) 是由 方伟 刘磊 刘晓 王春琳 母昌考 叶央芳 李荣华 宋微微 史策 王欢 于 2020-05-18 设计创作，主要内容包括：本发明公开了一种温度可控的拟穴青蟹苗种中间培育装置和方法,培育池左侧设有测量装置、右侧设有控温室,左侧外部设有增氧设备；装置底部左侧接有第一水管及第一水泵,第一水泵出水口外侧接有第三水管,第三水管后端接有蓄水池,蓄水池的泄水口固接有过滤器,过滤器后端固接有第二水泵,第二水泵出水口外侧固接有第二水管,第二水管接入控温室,控温室底部左侧设有通孔,接通培育池；培育池内由底至上设有漏板、过滤海绵I、“之”字形网衣、遮蔽物。本发明可实时监测温度和盐度并维持水体温度,防止苗种个体之间的打斗,并装有循环水及增氧设备,可提高青蟹幼体的存活率并促进青蟹苗种的生长发育。(The invention discloses a temperature-controllable intermediate cultivation device and method for scylla paramamosain fries, wherein a measurement device is arranged on the left side of a cultivation pool, a temperature control chamber is arranged on the right side of the cultivation pool, and oxygen increasing equipment is arranged outside the left side of the cultivation pool; the left side of the bottom of the device is connected with a first water pipe and a first water pump, the outer side of a water outlet of the first water pump is connected with a third water pipe, the rear end of the third water pipe is connected with a water storage tank, a water outlet of the water storage tank is fixedly connected with a filter, the rear end of the filter is fixedly connected with a second water pump, the outer side of a water outlet of the second water pump is fixedly connected with a second water pipe, the second water pipe is connected into a temperature control room, the left side of the bottom of the temperature; the cultivation pool is provided with a drain plate, a filtering sponge I, a zigzag netting and a shielding object from the bottom to the top. The invention can monitor the temperature and salinity in real time, maintain the temperature of the water body, prevent fighting among individual young crabs, and is provided with circulating water and oxygen increasing equipment, thereby improving the survival rate of young blue crabs and promoting the growth and development of young blue crabs.)

1. The utility model provides a breeding device in middle of controllable simulated cave blue crab seed of temperature, the main part is for cultivating pond (1), and the right side of cultivating the pond is equipped with temperature-controlled room (7), and cultivates pond and temperature-controlled room sharing adjacent lateral wall, its characterized in that:

the height of the cultivation pool is the same as that of the temperature control chamber, and the bottom of the cultivation pool and the bottom of the temperature control chamber are positioned on the same horizontal line; the bottom of the common side wall of the cultivation pool and the temperature control chamber is provided with a through hole (11), so that the cultivation pool is communicated with the temperature control chamber;

a hanging groove (2) is formed in the middle upper part of the left side wall of the cultivation pool, and a salinity meter (3) and a thermometer (4) are hung in the hanging groove; a water outlet (5) is arranged at the left side of the bottom of the tank and is communicated with a first water pipe (6); a layer of drain plate (13) is arranged below the interior of the cultivation pool, and the drain plate is positioned above the first through hole and below the hanging groove; the cultivation pond is internally provided with a zigzag netting (12) which is positioned above the drain plate; a filtering sponge I (41) is arranged above the drain plate and is positioned below the zigzag netting;

a thermostat (8) is arranged in the temperature control room; a water inlet (9) is formed in the right side of the bottom of the temperature control chamber and communicated with a second water pipe (10);

the outside of the top of the cultivation pool and the temperature control room is provided with a shielding cover (14), the outside of the bottom is provided with a support frame (15), the lower end of the support frame is fixedly connected with a support plate (16), and the support plate is arranged on the ground; an oxygen increasing device (42) is arranged outside the left side of the cultivating pool;

first water pipe (6), set first water pump (17), first water pump is located the backup pad, wherein: a first water pump water inlet (18) is formed in the front section of the first water pump, a first water pump water outlet (19) is formed in the rear section of the first water pump, the first water pump water inlet (18) is communicated with a first water pipe, a third water pipe (20) is communicated with the first water pump water outlet, and the tail end of the third water pipe is communicated with a reservoir positioned outside;

the reservoir is enclosed by four side walls and a bottom wall (21), the four side walls are divided into a left wall (22), a right wall (23), a front wall (24) and a rear wall (25), wherein: the upper part of the front wall is provided with a water storage hole (26) which is communicated with the third water pipe (20); a drain hole (27) is formed in the lower portion of the front wall and communicated with a fourth water pipe (28); the rear end of the fourth water inlet pipe is communicated with a filter (29);

the filter (29) is positioned on the supporting plate, a cavity (30) is arranged in the filter, the front section of the cavity is provided with a filtering sponge II (31), and the rear section of the cavity is provided with activated carbon (32); the rear end of the filter is connected with a second water pump (33);

the second water pump is positioned on the supporting plate, a second water pump water inlet (34) is formed in the front section of the second water pump, and a second water pump water outlet (35) is formed in the rear section of the second water pump; the water inlet of the second water pump is communicated with the rear end of the filter, and the water outlet of the second water pump is communicated with a second water pipe (10), so that the filtered water body is returned to the temperature control chamber for cyclic utilization.

2. The apparatus of claim 1, wherein: in the temperature control chamber (7), a wire groove (36) is arranged above the intersection of the right side wall and the rear side wall and used for placing a wire of a thermostat, so that the thermostat is prevented from being broken down due to extrusion of the wire.

3. The apparatus of claim 1, wherein: the water outlet (5) and the water inlet (9) are both provided with filtering leak boards (37) for filtering, and the filtering leak boards are uniformly provided with filtering holes.

4. The apparatus of claim 1, wherein: the zigzag-shaped net (12) comprises a zigzag-shaped bracket (38) and a net (39), wherein: the two zigzag brackets are completely the same in structure and size, the two zigzag brackets are arranged in parallel and are symmetrical, and a netting is arranged between the two zigzag brackets; the zigzag netting is paved with a shield of the young blue crabs.

5. The apparatus of claim 1, wherein: the bushing plate (13) is a stainless steel plate with round holes distributed on the surface.

6. The apparatus of claim 1, wherein: the outer surface of the shielding cover (14) is provided with a handle (40); a plurality of air holes are uniformly formed in the shielding cover; the shielding cover is made of opaque materials, so that the irritation of illumination to the young blue crabs is avoided.

7. The apparatus of claim 1 or 4, wherein: the aeration pipe and the air stone of the oxygenation equipment stretch into the cultivation pool through the air holes on the shielding cover.

8. A temperature-controllable intermediate cultivation method for scylla paramamosain fries is characterized by comprising the following steps: putting the young crabs of the stage I which grow to the third day into a temporary rearing pond for temporary rearing for 2 days, wherein the water environment condition of the temporary rearing pond is the same as that of the rearing pond; transferring the young crabs in the stage I to a culture pond for intermediate culture after the temporary culture is finished, wherein the culture density is 195-plus-one 205 tail/m²The water temperature is 29-31 ℃, the salinity is 15-17, and the dissolved oxygen is 7-8 mg/L; during the intermediate breeding period, the feeding amount of the feed is 2 times of the weight of the young crabs, and the young crabs grow to the V-stage after 32-34 days of breeding.

9. The method as claimed in claim 8, wherein the water environmental conditions of the culture pond and the temporary culture pond are as follows: the cultivation density is 200 tails/m²The temperature of the culture pond is 30 ℃, the salinity is 16, and the dissolved oxygen is 7-8 mg/L.

10. The method as claimed in claim 8, wherein during the intermediate breeding period, the juvenile crabs in stage I are mixed and fed with the adult fairy shrimp and the artificial compound feed for the Litopenaeus vannamei No. 0 in a feeding ratio of 1: 1; feeding the artificial compound feed of the Litopenaeus vannamei No. 0 separately in the juvenile crab culture periods of the second period and the third period; and feeding the juvenile crabs in the IV period and the V period with the artificial compound feed for the No. 1 litopenaeus vannamei.

Technical Field

The invention relates to a temperature-controllable intermediate cultivation device and method for scylla paramamosain fries, and belongs to a crab fry cultivation device and method.

Background

Scylla paramamosain belongs to the phylum Arthropoda, Crustacea, Octopoda, Halocystidae and scylla, is an aquatic crustacean, is mainly distributed in Yangtze estuary and coastal sea areas in south China, and is an important marine fishery resource and marine economic crabs in China.

The blue crab is a euryhaline animal, when the water temperature is stabilized above 18 ℃, the young crab is unshelled and grown up, when the water temperature is raised to above 37 ℃, the blue crab does not eat, and when the water temperature is raised to 39 ℃, the back shell of the blue crab appears with gray and red spots, and the body of the blue crab gradually ages and dies. The survival salinity of the blue crab is 2.6-55 per mill, the adaptation range is 6.5-33 per mill, and the optimum salinity is 12.8-26.2 per mill (the specific gravity is 1.010-1.021).

In the process of cultivating early young green crabs, the young crabs are preferentially hidden in a shield in water, the requirements on the inhabitation depth and the living space of the young crabs are different in different development stages and the sizes of individuals, the undersized living space can stress the growth of the young crabs, the oversized living space cannot shield the young crabs, and the excessive young crabs gathered in the same space can fight against each other, so that the young crabs are injured and broken limbs, and the survival rate of the young crabs is seriously influenced.

At present, the ratio of artificial offspring seeds in the cultivation of the blue crabs is low, and the main reasons are that the artificial offspring seed cultivation technology is not popularized yet and the production cost of artificial breeding is too high. In the process of culturing the young crabs, the control of the temperature and the salinity of the water body and the measures of preventing the mutual killing of the young crabs are very important, the problems are solved, the survival rate of the young blue crabs is effectively improved, and the production cost is reduced. Therefore, an efficient intermediate cultivation device for scylla paramamosain fries with controllable temperature is needed to be designed, the temperature and salinity of a water body are controlled, the water temperature is kept within an appropriate range of fry growth and development, the density of fry cultivation in unit area is reduced, and the killing rate among the fries is reduced, so that the survival rate of the scylla paramamosain fries is improved, and the production cost of the fries is reduced.

Disclosure of Invention

The invention aims to solve the technical problem of the prior art and provides a temperature-controllable intermediate cultivation device and method for scylla paramamosain fries, wherein the device is provided with a water source purification device, so that the water quality can be improved, the temperature and salinity of a water source can be monitored in real time, fighting among scylla is effectively avoided, and therefore, the death of the scylla paramamosain caused by sudden change of the temperature and the salinity and mutual fighting of the scylla is prevented.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a controllable middle breeding device of green mud crab seed in cave and method of temperature, the main part is cultivates the pond, and the right side of cultivating the pond is equipped with the accuse greenhouse, and cultivates pond and accuse greenhouse sharing adjacent lateral wall, its characterized in that:

the height of the cultivation pool is the same as that of the temperature control chamber, and the bottom of the cultivation pool and the bottom of the temperature control chamber are positioned on the same horizontal line; the bottom of the side wall shared by the cultivation pool and the temperature control chamber is provided with a through hole, so that the cultivation pool is communicated with the temperature control chamber;

a hanging groove is formed in the middle upper part in the left side wall of the cultivation pool, and a salinity meter and a thermometer are hung in the hanging groove; a water outlet is arranged at the left side of the bottom of the tank and communicated with a first water pipe; a layer of drain plates is arranged below the interior of the cultivation pool, and the drain plates are positioned above the first through holes and below the hanging grooves; the cultivation pond is internally provided with a zigzag netting which is positioned above the drain plate; a filtering sponge I is arranged above the drain plate and is positioned below the zigzag netting;

a thermostat is arranged in the temperature control chamber; a water inlet is formed in the right side of the bottom of the temperature control chamber and communicated with a second water pipe;

shielding covers are arranged outside the tops of the cultivation pool and the temperature control room, a support frame is arranged outside the bottom of the cultivation pool and the temperature control room, a support plate is fixedly connected to the lower end of the support frame, and the support plate is arranged on the ground; the left outer part of the cultivation pool is provided with an oxygen increasing device;

first water pipe, set first water pump, first water pump is located the backup pad, wherein: the front section of the first water pump is provided with a first water pump water inlet, the rear section of the first water pump is provided with a first water pump water outlet, the first water pump water inlet is communicated with a first water pipe, the first water pump water outlet is communicated with a third water pipe, and the tail end of the third water pipe is communicated with a reservoir positioned outside;

the cistern, enclose by four lateral walls and a diapire and become, four lateral walls divide into left wall, right wall, antetheca and back wall, wherein: the upper part of the front wall is provided with a water storage hole which is communicated with a third water pipe; a water drainage hole is formed in the lower portion of the front wall and communicated with a fourth water pipe; the rear end of the fourth water inlet pipe is communicated with a filter;

the filter is positioned on the supporting plate, a cavity is arranged in the filter, the front section of the cavity is provided with a filtering sponge II, and the rear section of the cavity is provided with activated carbon; the rear end of the filter is connected with a second water pump;

the second water pump is positioned on the supporting plate, a second water pump water inlet is formed in the front section of the second water pump, and a second water pump water outlet is formed in the rear section of the second water pump; the water inlet of the second water pump is communicated with the rear end of the filter, and the water outlet of the second water pump is communicated with the second water pipe, so that the filtered water body is returned to the temperature control chamber for cyclic utilization.

Among the above-mentioned technical scheme, the accuse greenhouse, the top of the crossing department of right side wall and back lateral wall is provided with the wire casing for place the electric wire of thermostat, prevent that the electric wire from receiving the extrusion and leading to the thermostat to break down.

In the technical scheme, the water outlet and the water inlet are both provided with the filtering leakage plates for filtering, and the filtering leakage plates are uniformly provided with filtering holes.

In the above technical solution, the zigzag netting comprises a zigzag bracket and a netting, wherein: the two zigzag brackets are completely the same in structure and size, the two zigzag brackets are arranged in parallel and are symmetrical, and a netting is arranged between the two zigzag brackets; the zigzag bracket is made of hard plastic material, and has no toxicity, no harm, high mechanical strength and good chemical performance; the netting is a flexible net.

In the above technical scheme, the bushing plate is a stainless steel plate with round holes distributed on the surface.

In the technical scheme, the outer surface of the shielding cover is provided with the handle, so that the shielding cover is convenient to take and place.

In the technical scheme, the shielding cover is uniformly provided with a plurality of air holes.

In the technical scheme, the shielding cover is made of opaque materials, so that the irritation of illumination to the young blue crabs is avoided.

In the technical scheme, the aeration pipe and the air stone of the oxygenation equipment stretch into the cultivation pool through the air holes in the shielding cover.

In the technical scheme, a shield for the young blue crabs is paved on the zigzag-shaped netting, and the shield is preferably oyster shells.

The invention also provides a temperature-controllable intermediate cultivation method of scylla paramamosain fries, which comprises the following steps:

putting the young crabs of the stage I which grow to the third day into a temporary rearing pond for temporary rearing for 2 days, wherein the water environment condition of the temporary rearing pond is the same as that of the rearing pond; transferring the young crabs in the stage I to a culture pond for intermediate culture after the temporary culture is finished, wherein the culture density is 195-plus-one 205 tail/m²The water temperature is 29-31 ℃, the salinity is 15-17, and the dissolved oxygen is 7-8 mg/L; during the intermediate breeding period, the feeding amount of the feed is 2 times of the weight of the young crabs, and the young crabs grow to the V-stage after 32-34 days of breeding.

In the above technical solution, the water environmental conditions of the cultivation pond and the temporary cultivation pond are preferably: the cultivation density is 200 tails/m²The temperature of the culture pond is 30 ℃, the salinity is 16, and the dissolved oxygen is 7-8 mg/L.

In the technical scheme, during the intermediate cultivation period, the juvenile crabs in the stage I are mixed and fed with the adult fairy shrimp and the artificial compound feed for the No. 0 litopenaeus vannamei, and the feeding ratio of the juvenile crabs to the artificial compound feed is 1: 1; feeding the artificial compound feed of the Litopenaeus vannamei No. 0 separately in the juvenile crab culture periods of the second period and the third period; and feeding the juvenile crabs in the IV period and the V period with the artificial compound feed for the No. 1 litopenaeus vannamei.

The invention has the advantages that: the device is provided with temperature and salinity monitoring equipment, the temperature and the salinity of a water body can be monitored in real time, the water body temperature is constant, the water body temperature is kept in a range suitable for growth and development of young blue crabs, a water source purification device is arranged, the quality of water can be improved, the two water pumps arranged at the bottom, the water storage tank and the oxygen increasing equipment arranged on the left side can circulate water in the cultivation tank, oxygen in the water is increased when the water storage tank stores water, the dissolved oxygen amount of the water in the cultivation tank can be increased, shielding objects such as a 'T' -shaped net clothing and laid oyster shells in the cultivation tank can also effectively avoid fighting among young crabs, and accordingly sudden changes of temperature, salinity and water quality and fighting among young crabs are prevented to cause death of the young blue crabs.

Drawings

FIG. 1 is a schematic view of the overall structure of an intermediate cultivation device for scylla paramamosain fries with controllable temperature according to the present invention;

FIG. 2 is a schematic view showing the construction of a culture tank and a temperature control chamber in the apparatus of the present invention;

FIG. 3 is a schematic view of the structure of a zigzag-shaped net in the device of the present invention;

FIG. 4 is a schematic diagram of the structure of a reservoir in the apparatus of the present invention;

FIG. 5 is a schematic view of the structure of the cavity of the filter in the device of the present invention;

FIG. 6 is a schematic view showing the internal structure of a filter in the apparatus of the present invention;

wherein: 1 is a culture pond, 2 is a hanging groove, 3 is a salinity meter, 4 is a thermometer, 5 is a water outlet, 6 is a first water pipe, 7 is a temperature control chamber, 8 is a thermostat, 9 is a water inlet, 10 is a second water pipe, and 11 is a through hole; 12 is a zigzag netting, 13 is a bushing, 14 is a shielding cover, and 15 is a supporting frame; 16 is a supporting plate; 17 is a first water pump, 18 is a first water pump inlet, 19 is a first water pump outlet, 20 is a third water pipe, 21 is a bottom wall of the reservoir, 22 is a left wall of the reservoir, 23 is a right wall of the reservoir, 24 is a front wall of the reservoir, 25 is a rear wall of the reservoir, 26 is a water storage hole of the reservoir, 27 is a water drainage hole of the reservoir, 28 is a fourth water pipe, 29 is a filter, 30 is a cavity of the filter, 31 is a filtering sponge II in the filter, 32 is activated carbon in the filter, 33 is a second water pump, 34 is a second water pump inlet, 35 is a second water pump outlet, 36 is a wire casing, 37 is a filtering leakage plate, 38 is a's' shaped bracket, 39 is a net, 40 is a handle, 41 is a filtering sponge I, and 42 is an oxygen increasing device.

Detailed Description

The following detailed description of the embodiments of the present invention is provided, but the present invention is not limited to the following descriptions:

a temperature-controllable intermediate cultivation device and method for scylla paramamosain fries are disclosed, wherein a cultivation pool 1 is adopted as a main body, a temperature control chamber 7 is arranged on the right side of the cultivation pool, and the cultivation pool and the temperature control chamber share adjacent side walls, as shown in figures 1-6:

the height of the cultivation pool is the same as that of the temperature control chamber, and the bottom of the cultivation pool and the bottom of the temperature control chamber are positioned on the same horizontal line; the bottom of the common side wall of the cultivation pool and the temperature control chamber is provided with a through hole 11, so that the cultivation pool is communicated with the temperature control chamber;

a hanging groove 2 is arranged at the middle upper part in the left side wall of the cultivation pool 1, and a salinity meter 3 and a thermometer 4 are hung in the hanging groove; a water outlet 5 is arranged at the left side of the bottom of the tank and is communicated with a first water pipe 6; a layer of drain plate 13 is arranged below the interior of the cultivation pool, and the drain plate is positioned above the first through hole and below the hanging groove; a zigzag netting 12 is arranged in the cultivation pool and is positioned above the drain plate; a filtering sponge I41 is arranged above the drain plate and is positioned below the zigzag netting;

a thermostat 8 is arranged in the temperature control chamber; a water inlet 9 is formed in the right side of the bottom of the temperature control chamber and communicated with a second water pipe 10;

the shielding cover 14 is arranged outside the top of the cultivation pool and the temperature control room, the support frame 15 is arranged outside the bottom of the cultivation pool and the temperature control room, the lower end of the support frame is fixedly connected with a support plate 16, and the support plate is arranged on the ground; the left outer part of the culture pond is provided with an oxygen increasing device 42,

first water pipe 6, set first water pump 17, first water pump is located the backup pad, wherein: a first water pump water inlet 18 is formed in the front section of the first water pump, a first water pump water outlet 19 is formed in the rear section of the first water pump, the first water pump water inlet 18 is communicated with a first water pipe, a third water pipe 20 is communicated with the first water pump water outlet, and the tail end of the third water pipe is communicated with a reservoir located outside;

the reservoir is enclosed by four side walls and a bottom wall 21, the four side walls are divided into a left wall 22, a right wall 23, a front wall 24 and a rear wall 25, wherein: the upper part of the front wall is provided with a water storage hole 26 which is communicated with the third water pipe 20; a drain hole 27 is formed in the lower portion of the front wall and communicated with a fourth water pipe 28; the rear end of the fourth water inlet pipe is communicated with a filter 29;

the filter 29 is positioned on the supporting plate, a cavity 30 is arranged in the filter 29, the front section of the cavity is provided with a filtering sponge II31, and the rear section of the cavity is provided with activated carbon 32; the rear end of the filter is connected with a second water pump 33;

the second water pump is positioned on the supporting plate, a second water pump water inlet 34 is formed in the front section of the second water pump, and a second water pump water outlet 35 is formed in the rear section of the second water pump; the water inlet of the second water pump is communicated with the rear end of the filter, and the water outlet of the second water pump is communicated with the second water pipe 10, so that the filtered water body is returned to the temperature control chamber for cyclic utilization.

In one embodiment of the present invention, the temperature control chamber 7 is provided with a wire groove 36 above the intersection of the right side wall and the rear side wall for placing the wires of the thermostat, so as to prevent the wires from being squeezed to cause the thermostat to malfunction.

In one embodiment of the present invention, the water outlet 5 and the water inlet 9 are both provided with a filtering orifice plate 37 for filtering, and the filtering orifice plate is uniformly provided with filtering holes.

In one embodiment of the present invention, the zigzag-shaped net 12 comprises a zigzag-shaped bracket 38 and a net 39, wherein: the two zigzag brackets are completely the same in structure and size, the two zigzag brackets are arranged in parallel and are symmetrical, and a netting is arranged between the two zigzag brackets; the zigzag bracket is made of hard plastic material, and has no toxicity, no harm, high mechanical strength and good chemical performance; the netting is a flexible net.

In an embodiment of the present invention, the bushing 13 is a stainless steel plate with round holes distributed on the surface.

In one embodiment of the present invention, the outer surface of the shielding cover 14 is provided with a handle 40, which facilitates the taking and placing of the shielding cover.

In one embodiment of the invention, a plurality of air holes are uniformly formed in the shielding cover.

In one embodiment of the invention, the shielding cover is made of an opaque material, so that the irritation of illumination on the young blue crabs is avoided.

In one embodiment of the invention, the air inflation tube and the air stone of the oxygen increasing device can extend into the cultivation pool through the air holes on the shielding cover.

In one embodiment of the invention, oyster shells and the like are paved on the zigzag-shaped netting and are used as a shield for the young blue crabs.

The invention also provides a temperature-controllable intermediate cultivation method of scylla paramamosain fries, which comprises the following steps: putting the young crabs of the stage I which grow to the third day into a temporary rearing pond for temporary rearing for 2 days, wherein the water environment condition of the temporary rearing pond is the same as that of the rearing pond; transferring the young crabs in the stage I to a culture pond for intermediate culture after the temporary culture is finished, wherein the culture density195-205 tail/m²The water temperature is 29-31 ℃, the salinity is 15-17, and the dissolved oxygen is 7-8 mg/L; during the intermediate breeding period, the feeding amount of the feed is 2 times of the weight of the young crabs, and the young crabs grow to the V-stage after 32-34 days of breeding.

The process of the invention is illustrated below with reference to specific examples: