CN211091398U - Sturgeon land running water aquaculture high-density liquid oxygen oxygenation system - Google Patents
Sturgeon land running water aquaculture high-density liquid oxygen oxygenation system Download PDFInfo
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- CN211091398U CN211091398U CN201921604961.8U CN201921604961U CN211091398U CN 211091398 U CN211091398 U CN 211091398U CN 201921604961 U CN201921604961 U CN 201921604961U CN 211091398 U CN211091398 U CN 211091398U
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Abstract
The utility model discloses a sturgeon land flow water culture high-density liquid oxygen oxygenation system, which comprises a water inlet filtering device, a liquid oxygen premixing tank, a variable frequency control cabinet and an oxygen-enriched water pipeline conveying line, and is characterized in that the top of the liquid oxygen premixing tank is provided with a water inlet connected with a booster pump, the pressure in the liquid oxygen premixing tank body is more than or equal to 0.3Mpa, and the top of the liquid oxygen premixing tank is also provided with an air inlet connected with the liquid oxygen pipeline; a porous partition plate is arranged at the lower part in the liquid oxygen premixing tank, a filler ball is paved on the porous partition plate, and a water outlet is arranged on the tank body below the porous partition plate. The running condition of the whole system can be monitored in real time, sludge and impurities in the tank body can be washed at any time, and the gas and the liquid are fully mixed; the water inlet water source is used for treating the water quality, so that larger particles are prevented from entering the tank body through the centrifugal pump, and the damage to the pump body and the blockage of the premixing tank are reduced; the short plate effect in the sturgeon culture industry is met, the culture density can be operated at a high position, and the culture risk is reduced.
Description
Technical Field
The utility model relates to a sturgeon breeding technique, in particular to a sturgeon land running water breeding high-density liquid oxygen aeration system.
Background
The dissolved oxygen content of the aquaculture water is an important environmental factor influencing the aquaculture density of the water, so that under the condition that the aquaculture water is certain, the dissolved oxygen content of the aquaculture water is improved by utilizing liquid oxygen, and under the aquaculture mode of the sturgeon land running water, the aquaculture density of the sturgeon is greatly improved, the unit aquaculture cost is reduced, and the aquaculture efficiency is improved. In the disclosed technology, for example, the patent publication CN104803495B discloses an integral solution of forming high-oxygen water by fully mixing inlet water and pure oxygen in a pressure tank, but when the device is applied to actual sturgeon culture, a filled polyhedral hollow material is influenced by the quality of the inlet water, sludge and dirt in the pressure tank cannot be washed instantly, gas and liquid cannot be fully mixed, and oxygen-enriched water cannot be formed to achieve the purpose of effective oxygenation; meanwhile, the inlet water is influenced by the water quality of a water source, large particles easily enter the tank body after passing through the centrifugal pump body, firstly, the centrifugal pump body is damaged, the service life is shortened, and secondly, the particles enter the premixing tank and then block a water outlet in the past. More importantly, the scheme is that the control equipment controls the system, and the defects are that the eye dissolved oxygen probe of the device is extremely easy to damage and high in maintenance and replacement cost, the eye dissolved oxygen probe cannot be used in actual operation, and particularly, the eye dissolved oxygen probe is exposed to insolation, rainwater and the like in an outdoor environment, and the problem of moss adhesion is caused, so that the oxygenation system is in a maintenance state for a long time. As the culture industry extremely pays attention to the short plate effect, once the cultured variety is cultured at high density, the liquid oxygen system has problems, a large amount of anoxic death phenomena occur on the cultured variety, and the design can not solve the actual culture problem. Therefore, once the liquid oxygen system stops or abnormally operates, the operation pain point of the scheme must be solved to ensure that the fault problem is conveniently solved in a short time so as to reduce the culture risk.
Disclosure of Invention
The utility model aims at solving the above problems and providing a sturgeon land flowing water aquaculture high-density liquid oxygen oxygenation system which is suitable for sturgeon land flowing water aquaculture practical situation, has practical operation feasibility and is convenient to maintain and operate.
The above technical problem of the present invention can be solved by the following technical solutions: a sturgeon land flow water culture high-density liquid oxygen oxygenation system comprises a water inlet filtering device, a liquid oxygen premixing tank, a variable frequency control cabinet and an oxygen-enriched water pipeline conveying line, and is characterized in that a water inlet connected with a booster pump is formed in the top of the liquid oxygen premixing tank, the pressure in the liquid oxygen premixing tank is more than or equal to 0.3Mpa, and an air inlet connected with a liquid oxygen pipeline is formed in the top of the liquid oxygen premixing tank; a porous partition plate is arranged at the lower part in the liquid oxygen premixing tank, a filler ball is paved on the porous partition plate, and a water outlet is arranged on the tank body below the porous partition plate.
In the sturgeon land running water aquaculture high density liquid oxygen oxygenation system of aforesaid, as preferred, filter equipment of intaking is equipped with into water floater clearance district, water body cobble filtering area, and the cobble filtering area gets into the system through the overflow afterwards and gets water the district.
In the sturgeon land running water aquaculture high-density liquid oxygen oxygenation system, preferably, the flow per minute of the booster pump is more than or equal to 1.5 times of the capacity of the liquid oxygen premixing tank body.
In the sturgeon land running water aquaculture high-density liquid oxygen oxygenation system, preferably, an electric pressure regulating valve is arranged at a water outlet of the liquid oxygen premixing tank.
In the sturgeon land running water aquaculture high-density liquid oxygen oxygenation system, preferably, a check valve is arranged in the liquid oxygen pipeline, a liquid oxygen flow meter is arranged behind the check valve, an electromagnetic valve and a manual valve are arranged behind the liquid oxygen flow meter in parallel, and then the liquid oxygen enters the liquid oxygen premixing tank through the liquid oxygen regulating valve.
In the sturgeon land running water aquaculture high density liquid oxygen oxygenation system of aforesaid, as preferred the below of the porous baffle in the liquid oxygen mixes jar is equipped with the mouth of washing of being connected with the booster pump, washes oral area position and is equipped with the butterfly valve.
In the sturgeon land running water aquaculture high density liquid oxygen oxygenation system of aforesaid, as preferred liquid oxygen mixes jar on the opposite side of washing mouth and be located porous baffle top and be equipped with the clear ball mouth in advance.
In the aforesaid sturgeon land flowing water breeds high density liquid oxygen oxygenation system, as preferred the booster pump delivery outlet position is equipped with the soft joint of rubber, then connects through check valve and water inlet, and is equipped with the butterfly valve before the water inlet.
In the sturgeon land running water aquaculture high-density liquid oxygen oxygenation system, preferably, the top of the liquid oxygen premixing tank is also provided with a top inspection hole.
In the sturgeon land flowing water aquaculture high density liquid oxygen oxygenation system, as preferred, liquid oxygen mixes jar in advance and is equipped with liquid level sensor, liquid level gauge and teletransmission manometer, and wherein liquid level sensor and liquid oxygen pipeline hookup, teletransmission manometer are connected with the variable frequency control cabinet.
The operating principle of the technical scheme is that a water source is filtered, the water source is conveyed into a liquid oxygen premixing tank through a booster pump, pure oxygen is injected into the premixing tank, water is fully mixed with the pure oxygen in the premixing tank to form supersaturated high-oxygen water, the dissolved oxygen is generally more than 20 mg/L, then the high-oxygen water is conveyed into each fish pond through a pipeline, the dissolved oxygen is about 9 mg/L, and therefore the dissolved oxygen of sturgeons in the fish pond is supplied, and the oxygen deficiency condition is ensured not to occur.
The scheme mainly comprises the following parts: firstly, a water inlet is provided with a large flow rate filtering device; secondly, a high-efficiency liquid oxygen premixing tank capable of being backwashed manually; thirdly, a variable frequency electric control system; and fourthly, an oxygen-enriched water pipeline conveying system.
Wherein, the large-traffic filter equipment of intaking can guarantee that liquid oxygen mixes jar in advance that normal live time is long in advance because the more can guarantee the interior cleanliness factor of system more in the water source of impurity-free. This filter equipment often has debris such as leaf, domestic waste to actual water intaking water source, for the little traditional block net mode of cross-sectional area, more can avoid long-term use after produce the phenomenon of plugging up the water inlet and lead to the system paralysed, this filter equipment more can ensure entire system's water intaking safety.
The high-efficiency liquid oxygen premixing tank capable of being manually back-flushed is a high-oxygen water production main machine in the scheme, and oxygen is rapidly increased by fully mixing high-pressure water brought by conveying oxygen and booster pump power. In order to achieve a better oxygenation effect, the ratio of the flow per minute of the booster pump to the water volume contained in the tank body is larger than 1.5, certain pressure is kept in the tank body, and the balance of the tank body is ensured by continuously conveying high-oxygen water to the fishpond. The water inlet of the booster pump, which is pumped into the tank body, is positioned right above the tank body to form a large-flow injection form, so that the water and oxygen mixing and dissolving effect is improved, and the electric pressure regulating valve is arranged at the water outlet of the tank body to ensure that the whole system always runs in the best state. In order to ensure that the filler balls absorbing solid particles such as sludge and impurities in the tank body are cleaned and replaced in time, the booster pump of the device is provided with a branch which is directly input into the lower part of the tank body, and the other side is provided with a ball outlet, so that the booster pump can be used for observing daily working conditions and can be opened at any time to clean the filler balls.
The frequency conversion electric control system comprises the functions of booster pump frequency conversion, power frequency and overload protection, is provided with the requirements of water level indication, ultra-low water level pump stop and the like, and is also provided with manual operation, automatic operation selection and the like.
The oxygen-enriched water pipeline conveying system can convey high-oxygen water which comes out of the liquid oxygen premixing tank and can be backwashed manually into fishponds which are distributed in different areas through pipelines, the tail end of a main pipeline of the conveying system is provided with an overhauling valve, sundries in the main pipeline can be conveniently cleaned, and meanwhile, the blockage of garbage to branch circuits is avoided. Many sets of systems of this scheme can interconnect together, satisfies different plant's fish ponds overall arrangement requirements, reduces the quantity of start-up system, reduces the running cost.
The utility model has the advantages that: the running condition of the whole system can be monitored in real time, sludge and impurities in the tank body can be washed at any time, and the gas and the liquid are fully mixed; the water inlet water source is used for treating the water quality, so that larger particles are prevented from entering the tank body through the centrifugal pump, and the damage to the pump body and the blockage of the premixing tank are reduced; the short plate effect in the sturgeon culture industry is met, the culture density can be operated at a high position, and the culture risk is reduced.
Drawings
FIG. 1 is a structural diagram of the partial control and operation principle of the liquid oxygen premixing tank of the present invention.
Fig. 2 is a schematic structural view of the intake water filtering device of the present invention.
Fig. 3 is a schematic view of the combined structure of the liquid oxygen pipeline of the present invention.
Fig. 4 is a schematic diagram of a tank body structure of a liquid oxygen premixing tank of the present invention.
Fig. 5 is a top view in one direction of fig. 4.
Fig. 6 is a schematic view of a porous partition structure according to the present invention.
Fig. 7 and 8 are the principle and control diagram of the frequency conversion control cabinet of the present invention.
Fig. 9 is a pipeline conveying layout diagram of the oxygen-enriched water of the utility model.
In the figure: 1-liquid oxygen premixing tank; 101-tank body, 102-porous partition board, 103-ball cleaning port, 104-water outlet, 105-flushing port, 106-top inspection port, 107-water inlet, 108-air inlet, 109-lower inspection port and 2-liquid oxygen pipeline; 201-liquid oxygen regulating valve; 202-electromagnetic valve; 203-manual valve; 204-a liquid oxygen flowmeter, 205-a one-way valve and 3-an oxygenation flange interface; 4-an electrical control cabinet; 5-a check valve; 6-water source inlet; 7-a booster pump; 8-an exhaust port; 9-main butterfly valve, 10-inlet water filter device, 11-remote pressure gauge, 12-fishpond, 13-maintenance valve, 14-branch valve.
Detailed Description
The technical solution of the present invention is further described in detail by the following embodiments.
Referring to fig. 1 and 2, the high-density liquid oxygen aeration system for sturgeon land running water culture in the embodiment mainly comprises a water inlet filtering device 10, a liquid oxygen premixing tank 1, an electrical control cabinet 4 and an oxygen-enriched water pipeline conveying line.
The whole schematic diagram of the inlet water filtering device 10 is shown in fig. 2, and the inlet water filtering device is provided with an inlet water floating object cleaning area, a water body pebble filtering area, a water taking area of the system through overflow after passing through the pebble filtering area, the water flow direction is shown as an arrow direction in the figure, and the water taking pipe is connected with a water source inlet 6.
The top of the tank 101 of the liquid oxygen premixing tank 1 is a spherical structure, referring to fig. 4 and 5, the middle of the top is provided with a water inlet 107 connected with the booster pump 7, one side of the top is provided with a top inspection opening 106, an air inlet 108 is connected with the liquid oxygen pipeline 2, and an exhaust nozzle is connected with an exhaust opening 8 bent to the middle part of the outer side of the tank through a bent pipe. The pressure in the liquid oxygen premixing tank 1 is not less than 0.3Mpa, the lower part in the liquid oxygen premixing tank 1 is provided with a porous partition plate 102, as shown in fig. 6, the porous partition plate 102 is fixed on the inner wall of the tank body by a bracket, a plastic filler ball is laid on the porous partition plate 102, the tank body below the porous partition plate 102 is provided with a water outlet 104, and the position of the water outlet 104 is provided with an electric pressure regulating valve.
A flushing port 105 connected with the booster pump 7 is arranged below the porous partition plate 102 and opposite to the water outlet 104, and a butterfly valve is arranged at the position of the flushing port 105. A rubber soft joint is arranged at the output port of the booster pump 7 and then is connected with a water inlet 107 through a check valve 5, and a main butterfly valve 9 is arranged in front of the water inlet, namely the water inlet 107 and the flushing port 105 are connected in parallel and independently control pipelines thereof. A ball cleaning port 103 is provided on the opposite side of the flushing port 105 and above the porous partition 102, and a lower inspection port 109 is provided.
The liquid oxygen pipeline 2 is composed as shown in fig. 3, and is respectively provided with a check valve 205 along the direction of externally connecting to the tank body, a liquid oxygen flow meter 204 is arranged behind the check valve 205, an electromagnetic valve 202 and a manual valve 203 are connected behind the liquid oxygen flow meter 204 in parallel, and finally the liquid oxygen enters the liquid oxygen premixing tank 1 through a liquid oxygen regulating valve 201. The liquid oxygen premixing tank 1 is also provided with a liquid level sensor, a liquid level meter and a remote transmission pressure gauge 11, wherein the liquid level sensor is connected with the liquid oxygen pipeline 2, and the remote transmission pressure gauge 11 is connected with the electric control cabinet 4. The end part of the liquid oxygen pipeline 2 is connected with an oxygen supply pump through an oxygenation flange connector 3.
Fig. 7 is a circuit diagram of the frequency converter, and fig. 8 is a circuit diagram of the control cabinet. When the device works, the flow of the booster pump 7 per minute is based on the standard of 1.8 times of the volume of the tank body of the liquid oxygen premixing tank, the pressure in the tank body is kept at 0.4-0.6Mpa, and the main parameter set values of the frequency converter are as follows: the minimum frequency is 25Hz, the maximum frequency is 50Hz, the acceleration time and the deceleration time are both 10s, the U/F is 2, the fault reset frequency is 3, and the reset time is 120 s. The constant voltage control loop comprises a power supply and a fuse; the signal indication is provided with a power supply indication, a water pump frequency conversion, a power frequency and overload indication, a frequency converter fault indication, a low water level and a pump stop indication; the control loop comprises reduced pressure starting, delayed full pressure operation, manual control, automatic control and the like.
The oxygen-enriched water pipeline is arranged as shown in figure 9, wherein the number 12 in the figure is a fish pond group, 13 is an overhaul valve, and 14 is a branch valve, under different environmental conditions, various distribution combinations are obtained through the operation of the valves, the operation is flexible, and if the fish density is low, the fish ponds are distributed more, and three sets of oxygen-enriched systems are changed into two sets of oxygen-enriched systems; if the fish density is higher, but the fish pond is more free, the number of the starting systems can be reduced, so that the energy consumption is reduced.
The above embodiments are for the description of the present invention, not for the limitation of the present invention, and any structure after the simple transformation of the present invention all belongs to the protection scope of the present invention.
Claims (10)
1. A sturgeon land flow water culture high-density liquid oxygen oxygenation system comprises a water inlet filtering device (10), a liquid oxygen premixing tank (1), an electrical control cabinet (4) and an oxygen-enriched water pipeline conveying line, and is characterized in that a water inlet (107) connected with a booster pump (7) is formed in the top of the liquid oxygen premixing tank, the pressure in the liquid oxygen premixing tank is more than or equal to 0.3Mpa, and an air inlet (108) connected with a liquid oxygen pipeline (2) is formed in the top of the liquid oxygen premixing tank; a porous partition plate (102) is arranged at the lower part in the liquid oxygen premixing tank, a filler ball is paved on the porous partition plate, and a water outlet (104) is arranged on the tank body below the porous partition plate.
2. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, wherein the water inlet filtering device (10) is provided with a water inlet floating object cleaning area, a water body pebble filtering area, and a system water taking area is formed after the pebble filtering area through overflow.
3. The sturgeon land flow water culture high-density liquid oxygen aeration system according to claim 1, wherein the flow rate of the booster pump (7) per minute is more than or equal to 1.5 times of the capacity of the liquid oxygen premixing tank body.
4. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, characterized in that an electric pressure regulating valve is arranged at a water outlet (104) of the liquid oxygen premixing tank (1).
5. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, wherein a one-way valve (205) is arranged in the liquid oxygen pipeline (2), a liquid oxygen flow meter (204) is arranged behind the one-way valve, an electromagnetic valve (202) and a manual valve (203) are arranged behind the liquid oxygen flow meter in parallel, and then the liquid oxygen flow meter enters the liquid oxygen premixing tank (1) through a liquid oxygen regulating valve (201).
6. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, wherein a flushing port (105) connected with a booster pump (7) is arranged below a porous partition plate (102) in the liquid oxygen premixing tank (1), and a butterfly valve is arranged at the flushing port.
7. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 6, wherein a ball cleaning port (103) is formed in one side, opposite to the flushing port (105) on the liquid oxygen premixing tank (1), above the porous partition plate (102).
8. A sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1 or 6, characterized in that a rubber soft joint is arranged at the output port of the booster pump (7), and then is connected with a water inlet (107) through a check valve (5), and a main butterfly valve (9) is arranged in front of the water inlet.
9. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, wherein a top inspection opening (106) is further formed in the top of the liquid oxygen premixing tank (1).
10. The sturgeon land running water aquaculture high-density liquid oxygen aeration system according to claim 1, wherein a liquid level sensor, a liquid level meter and a remote pressure meter are arranged on the liquid oxygen premixing tank (1), the liquid level sensor is connected with the liquid oxygen pipeline (2), and the remote pressure meter is connected with the electric control cabinet (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921604961.8U CN211091398U (en) | 2019-09-25 | 2019-09-25 | Sturgeon land running water aquaculture high-density liquid oxygen oxygenation system |
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| CN201921604961.8U CN211091398U (en) | 2019-09-25 | 2019-09-25 | Sturgeon land running water aquaculture high-density liquid oxygen oxygenation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088831A (en) * | 2020-09-18 | 2020-12-18 | 招商局重工（江苏）有限公司 | Automatic high-pressure tank washing device |
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2019
- 2019-09-25 CN CN201921604961.8U patent/CN211091398U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112088831A (en) * | 2020-09-18 | 2020-12-18 | 招商局重工（江苏）有限公司 | Automatic high-pressure tank washing device |
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