CN216674343U - Oxygen-making and oxygen-dissolving device for high-density aquaculture - Google Patents
Oxygen-making and oxygen-dissolving device for high-density aquaculture Download PDFInfo
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- CN216674343U CN216674343U CN202123396030.3U CN202123396030U CN216674343U CN 216674343 U CN216674343 U CN 216674343U CN 202123396030 U CN202123396030 U CN 202123396030U CN 216674343 U CN216674343 U CN 216674343U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The utility model discloses a high-density aquaculture oxygen generation and dissolution device, which comprises an oxygen generation device and an oxygen dissolution device, wherein the oxygen generation device is connected with the oxygen dissolution device, and oxygen prepared by the oxygen generation device is introduced into the oxygen dissolution device; the oxygen generation device comprises two adsorption towers connected in parallel, a blower, a vacuum pump and a plurality of control valves, wherein one adsorption tower finishes the air supply adsorption and the other adsorption tower finishes the pressure reduction desorption work; the dissolved oxygen device includes ejector, dissolved oxygen jar and pressure regulating reservoir, the dissolved oxygen jar includes the oxygen import, the oxygen import of dissolved oxygen jar is equipped with the ejector, the induction port of ejector lets in oxygen, delivery outlet, the delivery port intercommunication dissolved oxygen jar of water pump is connected to the water inlet, dissolved oxygen jar passes through the pressure regulating pipe intercommunication with the pressure regulating reservoir. The utility model provides a high-density aquaculture oxygen production and dissolution device, which solves the problems of low efficiency and low utilization rate of oxygen dissolved in water, and has high use safety and low cost.
Description
Technical Field
The utility model belongs to the technical field of oxygen generation equipment, and particularly relates to a high-density oxygen generation and dissolution device for aquaculture.
Background
Aquaculture is the production activity of breeding, cultivating and harvesting aquatic animals and plants under artificial control. Aquaculture has modes of rough culture, intensive culture, high-density intensive culture and the like. The rough culture is to put seedlings in medium and small natural waters and to culture aquatic products such as fish in lakes and reservoirs, shellfish in shallow seas and the like by completely relying on natural baits. Intensive culture is to culture aquatic products such as pond fish culture, net cage fish culture, fence culture and the like in a small water body by using bait casting and fertilizing methods. The high-density intensive culture adopts methods of flowing water, controlling temperature, increasing oxygen, feeding high-quality baits and the like to carry out high-density culture in a small water body so as to obtain high yield, such as flowing water high-density fish culture, shrimp culture and the like. High-density aquaculture requires high oxygen content in water, and insufficient oxygen content can result in oxygen deficiency of animals in water and death of the animals. Farmers usually need to buy a large amount of liquid oxygen to dissolve in water, and the liquid oxygen has the disadvantages of high cost and unsafe use and is not beneficial to long-term use.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem of providing an oxygen generation and dissolution device for high-density aquaculture, which is suitable for high-density aquaculture, solves the problems of low efficiency and low utilization rate of oxygen dissolution in water, and has high use safety and low cost.
In order to solve the technical problems, the utility model adopts a technical scheme that: providing a high-density aquaculture oxygen generation and dissolution device, which comprises an oxygen generation device and an oxygen dissolution device, wherein the oxygen generation device is connected with the oxygen dissolution device, and oxygen prepared by the oxygen generation device is introduced into the oxygen dissolution device;
the oxygen generation device comprises two adsorption towers connected in parallel, an air feeder, a vacuum pump and a plurality of control valves, wherein the air feeder is respectively connected with air inlets of the two adsorption towers through the control valves, the vacuum pump is respectively connected with air outlets of the two adsorption towers through the control valves, the air feeder and the vacuum pump are respectively connected with a motor, and one adsorption tower completes air feeding adsorption while the other adsorption tower completes pressure reduction desorption;
the dissolved oxygen device includes ejector, dissolved oxygen jar and pressure regulating reservoir, the dissolved oxygen jar includes the oxygen import, the oxygen import of dissolved oxygen jar is equipped with the ejector, the induction port of ejector lets in the oxygen that oxygenerator prepared, and the delivery outlet of water pump is connected to the water inlet, and the delivery port intercommunication dissolved oxygen jar of ejector, dissolved oxygen jar passes through the pressure regulating pipe intercommunication with the pressure regulating reservoir.
The utility model is provided with the oxygen generating device and the oxygen dissolving device, oxygen is prepared by the oxygen generating device in a circulating way, the oxygen continuously prepared is dissolved in the oxygen dissolving device and is repeatedly mixed and dissolved with water, and the water with high oxygen content is obtained for high-density aquaculture.
In order to solve the technical problems, the utility model adopts the further technical scheme that:
further, the oxygen dissolving tank also comprises a low oxygen dissolving water inlet and a high oxygen dissolving water outlet.
Further, the ejector is arranged outside or inside the oxygen dissolving tank.
Furthermore, an oxygen buffer tank is arranged between the oxygen generating device and the oxygen dissolving device.
Further, the oxygen buffer tanks are provided with one or more parallel connection.
Further, the blower is a roots type or centrifugal blower.
Further, the vacuum pump is a roots-type or water ring vacuum pump.
Furthermore, the output end of the vacuum pump is connected with a nitrogen discharging silencer.
Furthermore, an oxygen return pipe is also arranged, one end of the oxygen return pipe is connected with the air suction port of the ejector, and the other end of the oxygen return pipe is connected with the upper end of the dissolved oxygen tank.
The utility model has the beneficial effects that:
the utility model is provided with the oxygen generating device and the oxygen dissolving device, oxygen is prepared by the oxygen generating device in a circulating way, the oxygen continuously prepared is dissolved in the oxygen dissolving device and is repeatedly mixed and dissolved with water, and the water with high oxygen content is obtained for high-density aquaculture.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a combination view of the ejector of the present invention with a high pressure water pump and an oxygen return pipe;
the parts in the drawings are marked as follows:
the system comprises an oxygen generating device 1, two adsorption towers (11,12) connected in parallel, a blower 13, a vacuum pump 14, an oxygen buffer tank 15, a nitrogen discharging silencer 16, an oxygen dissolving device 2, an ejector 21, an air suction port 211 of the ejector, a water inlet 212, a water outlet 213, an oxygen dissolving tank 22, a pressure regulating tank 23, a high-pressure water pump 24, an oxygen return pipe 25 and a control valve K.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The utility model may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the utility model as disclosed.
The embodiment is as follows: an oxygen generating and dissolving device for high-density aquaculture, as shown in fig. 1-2, comprises an oxygen generating device 1 and an oxygen dissolving device 2, wherein the oxygen generating device is connected with the oxygen dissolving device, and oxygen prepared by the oxygen generating device is introduced into the oxygen dissolving device;
the oxygen generation device 1 comprises two adsorption towers (11,12) connected in parallel, a blower 13 (a Roots type or centrifugal fan), a vacuum pump 14 (a Roots type or water ring type vacuum pump) and a plurality of control valves K, wherein the blower is respectively connected with air inlets of the two adsorption towers through the control valves, the vacuum pump is respectively connected with air outlets of the two adsorption towers through the control valves, the blower and the vacuum pump are respectively connected with a motor, and one adsorption tower completes air supply adsorption while the other adsorption tower completes pressure reduction desorption;
the dissolved oxygen device 2 comprises an ejector 21, a dissolved oxygen tank 22 and a pressure regulating pool 23, wherein the dissolved oxygen tank comprises an oxygen inlet, the oxygen inlet of the dissolved oxygen tank is provided with the ejector, the ejector is arranged outside or inside the dissolved oxygen tank, in the embodiment, the ejector is arranged inside the dissolved oxygen tank, an air suction port 211 of the ejector is filled with oxygen prepared by the oxygen generating device, a water inlet 212 is connected with an output port of a high-pressure water pump 24, an input port of the high-pressure water pump is connected with the dissolved oxygen tank, a water outlet 213 of the ejector is communicated with the dissolved oxygen tank, and the dissolved oxygen tank is communicated with the pressure regulating pool through a pressure regulating pipe; the oxygen dissolving tank also comprises a low dissolved oxygen water inlet and a high dissolved oxygen water outlet, and water needing gas-liquid mixing or containing low oxygen flows in from the low dissolved oxygen water inlet, is subjected to gas-liquid mixing and dissolving treatment, and then flows out from the high dissolved oxygen water outlet; still be equipped with oxygen back flow 25, the induction port in ejector is connected to the one end of oxygen back flow, and the upper end of dissolved oxygen jar is connected to the other end, the oxygen back flow is with the oxygen drainage to the induction port of ejector of the oxygen jar of not dissolving into aquatic in the dissolved oxygen jar, mixes with dissolved oxygen jar normal water once more and dissolves.
An oxygen buffer tank 15 is arranged between the oxygen generating device and the oxygen dissolving device; the oxygen buffer tanks are provided with one or more parallel oxygen buffer tanks.
A gas storage tank (not shown) is arranged between the oxygen production device and the oxygen dissolving device, and the gas storage tank is arranged at the downstream of the oxygen buffer tank; the air storage tanks are provided with one or more parallel connection.
The output end of the vacuum pump is connected with a nitrogen discharging silencer 16.
The pressure regulating reservoir may be an open water storage tank.
The working process or working principle of the utility model is as follows:
the oxygen generation device operates, air is conveyed into one adsorption tower through the air feeder, oxygen is extracted by utilizing the characteristic that the adsorbent filled in the oxygen generation device selectively adsorbs nitrogen in the air, meanwhile, the other adsorption tower is vacuumized through the vacuum pump, and the adsorbent filled in the oxygen generation device is regenerated by utilizing the characteristic that the adsorbent can desorb the adsorbed nitrogen in a vacuum state; when the adsorption and regeneration of the adsorbents in the two adsorption towers are finished simultaneously, the PLC controls the opening and closing of the control valve to switch the air inlet and outlet of the adsorption towers, so that the adsorbents in the adsorption towers with saturated adsorption enter a regeneration state, the regenerated adsorbents in the adsorption towers enter a nitrogen adsorption state to extract oxygen, and the adsorption-regeneration characteristics of the adsorbents in the two adsorption towers or the multiple adsorption towers which are periodically and cyclically utilized to extract oxygen from air are realized.
The oxygen dissolving device operates, a Venturi ejector is arranged at a water inlet of the oxygen dissolving tank, when water in the oxygen dissolving tank is conveyed to the water inlet of the Venturi ejector through a high-pressure water pump, negative pressure is formed around the water inlet, the water and oxygen introduced from an air suction port are fully mixed and dissolved, and the mixed and dissolved water flows out of a water outlet of the ejector; the oxygen reflux pipe is also arranged, oxygen which is not dissolved into water in the dissolved oxygen tank is guided to the air suction port of the ejector and is mixed and dissolved with the water in the dissolved oxygen tank again, and the oxygen is repeatedly dissolved into the water body for a plurality of times, so that the dissolved oxygen rate of the oxygen is improved, and meanwhile, the dissolved oxygen index of the water body can also be improved.
The utility model is suitable for high-density aquaculture, solves the problems of low efficiency and low utilization rate of oxygen dissolved in water, and has high use safety and low cost.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (9)
1. The utility model provides a high density aquaculture system oxygen, oxygen dissolving device which characterized in that: the oxygen making device is connected with the dissolved oxygen device, and oxygen prepared by the oxygen making device is introduced into the dissolved oxygen device;
the oxygen generation device comprises two adsorption towers connected in parallel, an air feeder, a vacuum pump and a plurality of control valves, wherein the air feeder is respectively connected with air inlets of the two adsorption towers through the control valves, the vacuum pump is respectively connected with air outlets of the two adsorption towers through the control valves, the air feeder and the vacuum pump are respectively connected with a motor, and one adsorption tower finishes air feeding and adsorption while the other adsorption tower finishes depressurization and desorption;
the dissolved oxygen device includes ejector, dissolved oxygen jar and pressure regulating reservoir, the dissolved oxygen jar includes the oxygen import, the oxygen import of dissolved oxygen jar is equipped with the ejector, the induction port of ejector lets in the oxygen of oxygenerator preparation, and the delivery outlet of water pump is connected to the water inlet, and the delivery port intercommunication dissolved oxygen jar, dissolved oxygen jar passes through the pressure regulating pipe intercommunication with the pressure regulating reservoir.
2. The high-density aquaculture oxygen production and dissolution device of claim 1, wherein: the oxygen dissolving tank also comprises a low oxygen dissolving water inlet and a high oxygen dissolving water outlet.
3. The high density aquaculture oxygen production and dissolution plant as set forth in claim 1, wherein: the ejector is arranged outside or inside the oxygen dissolving tank.
4. The high-density aquaculture oxygen production and dissolution device of claim 1, wherein: an oxygen buffer tank is arranged between the oxygen generating device and the oxygen dissolving device.
5. The high density aquaculture oxygen production and dissolution device of claim 4, wherein: the oxygen buffer tank is provided with one or more parallel oxygen buffer tanks.
6. The high-density aquaculture oxygen production and dissolution device of claim 1, wherein: the blower is a Roots type or centrifugal blower.
7. The high density aquaculture oxygen production and dissolution plant as set forth in claim 1, wherein: the vacuum pump is a roots type or water ring type vacuum pump.
8. The high density aquaculture oxygen production and dissolution plant as set forth in claim 1, wherein: and the output end of the vacuum pump is connected with a nitrogen discharging silencer.
9. The high-density aquaculture oxygen production and dissolution device of claim 1, wherein: and an oxygen return pipe is also arranged, one end of the oxygen return pipe is connected with the air suction port of the ejector, and the other end of the oxygen return pipe is connected with the upper end of the oxygen dissolving tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123396030.3U CN216674343U (en) | 2021-12-30 | 2021-12-30 | Oxygen-making and oxygen-dissolving device for high-density aquaculture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123396030.3U CN216674343U (en) | 2021-12-30 | 2021-12-30 | Oxygen-making and oxygen-dissolving device for high-density aquaculture |
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| Publication Number | Publication Date |
|---|---|
| CN216674343U true CN216674343U (en) | 2022-06-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123396030.3U Active CN216674343U (en) | 2021-12-30 | 2021-12-30 | Oxygen-making and oxygen-dissolving device for high-density aquaculture |
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| CN (1) | CN216674343U (en) |
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2021
- 2021-12-30 CN CN202123396030.3U patent/CN216674343U/en active Active
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