Low pressure oxygen dissolver

Abstract

The application discloses a low-pressure oxygen dissolving device, which comprises an oxygen dissolving nozzle and an oxygen dissolving device, wherein the hollow oxygen dissolving nozzle is in screw communication with the hollow oxygen dissolving device, and the oxygen dissolving nozzle is connected with the oxygen dissolving device to realize the pre-disturbance dissolving of water and oxygen in a high-pressure section environment and the secondary turbulence dissolving under negative pressure. Oxygen enters the overflow oxygen groove from the oxygen supply groove, and then overflows among the multiple circumferentially spaced overflow oxygen grooves to disturb the pressure of the high-pressure water and dissolve, and then is discharged to the large horn outlet through the pressure difference hole, and the negative pressure generated when the oxygen is discharged to the large horn outlet causes the secondary dissolving, so that the water and oxygen are pre-disturbed and dissolved in the high-pressure section environment of the oxygen dissolving device, and then the secondary turbulence dissolving is generated under the negative pressure generated when the oxygen is discharged to the large horn outlet of the oxygen dissolving nozzle, the dissolving degree of the water and the oxygen is improved, and the problem that the water cannot be pre-dissolved in the high-pressure section is solved.

Description

TECHNICAL FIELD

[0001] The application relates to a low-pressure oxygen dissolver, and belongs to the technical field of oxygen dissolvers. BACKGROUND

[0002] In a place for breeding aquatic products such as a container and a breeding pond, a large number of aquatic animals need to be bred, and an oxygen supply machine needs to be used to supply oxygen to the water body; at present, the oxygen supply pipe of the oxygen machine is directly input into the water body, so that the oxygen is dissolved in the water body in the container or the breeding pond, and the degree of dissolution of the oxygen and the water body is poor in actual use.

[0003] The existing technology for improving the degree of dissolution of oxygen and water body by using pressure difference, such as the oxygen dissolver disclosed in Chinese Patent No. CN205088017U, discloses that the pressure difference between the front end channel and the rear end channel is 0.25-0.28 MPa, so that the fully mixed gas-containing water body sprayed by the water jet is improved in the degree of dissolution of oxygen in the water body with the pressure difference and the disturbance, but the dissolution of oxygen and water body only occurs at the change of the pressure difference value, and cannot be pre-dissolved at the high-pressure section. SUMMARY

[0004] To solve the above technical problems, the application provides a low-pressure oxygen dissolver.

[0005] The application is achieved by the following technical solutions.

[0006] The low-pressure oxygen dissolver provided by the application comprises:

[0007] An oxygen dissolving nozzle;

[0008] The oxygen dissolver is in hollow communication with the oxygen dissolving nozzle in the hollow, and the oxygen dissolving nozzle is connected with the oxygen dissolver, so as to pre-disturb the dissolution of the water body and the oxygen in the high-pressure section environment and the secondary disturbance dissolution of the water body and the oxygen in the negative pressure.

[0009] The oxygen dissolving nozzle has a large horn opening outward in the top portion in the axial direction, the large horn opening is used for discharging the water body after the dissolution of oxygen, the oxygen dissolving nozzle has a small horn opening outward in the bottom portion in the axial direction, the small horn opening is used for connecting the oxygen dissolver, there is a constant-section separation cavity between the large horn opening and the small horn opening, and the horn section of the small horn opening is smaller than that of the large horn opening.

[0010] The oxygen dissolving nozzle is provided with an oxygen passing groove in the outer periphery of the bottom portion, the size of the circular ring of the oxygen passing groove close to the oxygen dissolver part is smaller than that of the circular ring away from the oxygen dissolver part, so that the oxygen passing groove is entered after the oxygen is passed from the oxygen input pipe and the size of the circular ring close to the oxygen dissolver part is entered into the oxygen passing groove.

[0011] The bottom axial surface of the oxygen dissolving nozzle located in the oxygen passing groove section is provided with overflow oxygen grooves, the overflow oxygen grooves are communicated with the oxygen passing grooves, and the overflow oxygen grooves are multiple and distributed in the circumferential direction;

[0012] The oxygen dissolving device is provided with a rear hole for oxygen supply, and the top of the oxygen dissolving device is provided with a screw joint;

[0013] The lower part of the oxygen dissolving device is provided with a water pipe joint and is screwed with a water pipe through a screw pair, and the middle section of the oxygen dissolving device is provided with a differential pressure hole with an unchanged internal section, the differential pressure hole is communicated with the screw joint and the water pipe joint, and the differential pressure hole is a horn mouth towards the lower section of the water pipe joint;

[0014] The small horn mouth of the oxygen dissolving nozzle is correspondingly matched with the differential pressure hole after the screw joint of the oxygen dissolving device is installed, and the multiple overflow oxygen grooves have cavities at the end surface of the differential pressure hole of the oxygen dissolving device.

[0015] The top of the oxygen dissolving nozzle is provided with threads on the radial outer periphery, which are screwed with the screw joint on the top of the oxygen dissolving device through a screw pair.

[0016] The middle part of the oxygen dissolving nozzle is provided with an intermediate groove with an O-ring installed.

[0017] When the oxygen dissolving nozzle and the oxygen dissolving device are screwed and fixed, the intermediate groove installed through the O-ring plays a sealing role.

[0018] The oxygen dissolving device at the rear hole is provided with a threaded joint to communicate and install an oxygen input pipe.

[0019] The oxygen dissolving device is provided with a mounting threaded hole for mounting.

[0020] The top end axial surface of the oxygen dissolving nozzle located at the threads is provided with a rotating hole.

[0021] The beneficial effects of the present application are that after the oxygen enters the overflow oxygen grooves from the oxygen passing grooves, the oxygen overflows between the multiple circumferentially distributed overflow oxygen grooves, disturbs the pressure and dissolves with the high-pressure water body again, and then is discharged to the large horn mouth through the differential pressure hole, which generates negative pressure and secondary dissolution, realizes the pre-dissolution of the water body in the high-pressure section of the oxygen dissolving device, and then the secondary turbulence dissolution generated by the negative pressure of the large horn mouth of the oxygen dissolving nozzle, improves the dissolution degree of the water body and the oxygen, and solves the problem that the water body cannot be pre-dissolved in the high-pressure section. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic diagram of the present application;

[0023] Figure 2 is a front view of the oxygen dissolving nozzle of the present application;

[0024] Figure 3 isFigure 2 A bottom-view diagram of a basic dissolved oxygen nozzle;

[0025] Figure 4 This is a top view schematic diagram of the oxygen dissolving device of the present invention;

[0026] Figure 5 yes Figure 4 A schematic cross-section along line AA;

[0027] In the diagram: 1-Oxygen dissolving nozzle; 11-Oxygen passage groove; 12-Intermediate groove; 13-Thread; 14-Small flared mouth; 15-Large flared mouth; 16-Rotating hole; 17-Overflowing groove; 2-Oxygen dissolving device; 21-Installation threaded hole; 22-Screw-in interface; 23-Rear hole; 24-Water pipe interface; 25-Differential pressure hole; 3-O-ring; 4-Water pipe. Detailed Implementation

[0028] The technical solution of the present invention is further described below, but the scope of protection is not limited to what is described.

[0029] like Figures 1 to 5 As shown.

[0030] This application discloses a low-pressure dissolved oxygen generator, comprising:

[0031] Hollow internal dissolved oxygen nozzle 1 and dissolved oxygenator 2;

[0032] The dissolved oxygen nozzle 1 has a thread 13 on its radial outer periphery at the top, which is screwed into the top of the oxygenator 2 through a threaded pair; the dissolved oxygen nozzle 1 has a large horn-shaped opening 15 on its top axially facing outward, which is used to discharge dissolved oxygen water; the dissolved oxygen nozzle 1 has a small horn-shaped opening 14 on its bottom axially facing outward, which is used to connect to the oxygenator 2; there is a cavity with a constant cross-section between the large horn-shaped opening 15 and the small horn-shaped opening 14.

[0033] The dissolved oxygen nozzle 1 has a central groove 12 on its radial outer periphery. An O-ring 3 is installed in the central groove 12. When the dissolved oxygen nozzle 1 and the oxygenator 2 are screwed together and fixed, the O-ring 3 plays a sealing role.

[0034] The oxygen nozzle 1 has an oxygen passage groove 11 on the outer periphery of its bottom. The size of the annulus of the oxygen passage groove 11 that is closer to the oxygenator 2 is smaller than the size of the annulus that is farther away from the oxygenator 2, so that after oxygen is introduced from the oxygen input pipe 5, it enters the oxygen passage groove 11 through the annulus of the oxygen passage groove 11 that is closer to the oxygenator 2.

[0035] The bottom axial surface of the oxygen dissolving nozzle 1 at the oxygen supply groove 11 section is provided with overflow oxygen grooves 17, the overflow oxygen grooves 17 are communicated with the oxygen supply groove 11, the overflow oxygen grooves 17 are multiple and distributed in the circumferential direction on the bottom axial surface of the oxygen dissolving nozzle 1, when the small horn 14 of the oxygen dissolving nozzle 1 is matched with the differential pressure hole 25 of the oxygen dissolver 2, the multiple overflow oxygen grooves 17 and the end surface of the differential pressure hole 25 of the oxygen dissolver 2 have a cavity, after the oxygen enters the overflow oxygen grooves 17 from the oxygen supply groove 11, the oxygen overflows between the multiple circumferentially distributed overflow oxygen grooves 17, disturbs the pressure and dissolves with the high-pressure water, then is discharged to the large horn 15 through the differential pressure hole 25, and when the oxygen is discharged, the negative pressure is generated to cause secondary dissolution, the water body is pre-dissolved in the high-pressure section of the oxygen dissolver 2, and then is secondarily disturbed and dissolved in the negative pressure generated when the oxygen is discharged from the large horn 15 of the oxygen dissolving nozzle 1, so that the dissolution degree of the water body and the oxygen is improved, and the problem that the water body cannot be pre-dissolved in the high-pressure section is solved.

[0036] The oxygen dissolver 2 is provided with mounting screw holes 21 for mounting, and is mounted into a use environment device through the mounting screw holes 21.

[0037] The oxygen dissolver 2 is provided with a rear hole 23 for oxygen entering, the top of the oxygen dissolver 2 is provided with a screw joint 22 which is screwed and mounted with the screw thread 13 at the top of the oxygen dissolving nozzle 1 through a screw pair, and the screw joint 22 is communicated with the rear hole 23;

[0038] The oxygen dissolver 2 at the rear hole 23 is provided with a screw joint for communicating and mounting an oxygen input pipe 5, the lower part of the oxygen dissolver 2 is provided with a water pipe joint 24 for screwing and mounting a water pipe 4 through a screw pair, the middle section of the oxygen dissolver 2 is provided with a differential pressure hole 25 with an unchanged internal cross section, the differential pressure hole 25 communicates the screw joint 22 with the water pipe joint 24, and the differential pressure hole 25 is a horn towards the lower section of the water pipe joint 24.

[0039] The water body enters the small horn 14 through the horn at the lower section of the differential pressure hole 25 after being pressurized, and the oxygen enters the overflow oxygen grooves 17 from the oxygen supply groove 11, then overflows between the multiple circumferentially distributed overflow oxygen grooves 17, disturbs the pressure and dissolves with the high-pressure water, then is discharged to the large horn 15 through the differential pressure hole 25, and when the oxygen is discharged, the negative pressure is generated to cause secondary dissolution, the water body is pre-dissolved in the high-pressure section of the oxygen dissolver 2, and then is secondarily disturbed and dissolved in the negative pressure generated when the oxygen is discharged from the large horn 15 of the oxygen dissolving nozzle 1.

[0040] The top end axial surface of the oxygen dissolving nozzle 1 at the screw thread 13 is provided with a rotating hole 16, the rotating hole 16 is used for adjusting the installation depth of the oxygen dissolving nozzle 1 during installation.

Claims

1. A low-pressure dissolved oxygen generator, characterized in that, include: Dissolved oxygen nozzle (1); The oxygenator (2) has a hollow oxygen nozzle (1) connected to the hollow oxygenator (2). The oxygen nozzle (1) is connected to the oxygenator (2) to play the role of pre-disturbing and dissolving water and oxygen in the high-pressure environment and secondary turbulence and dissolving under negative pressure. The dissolved oxygen nozzle (1) has a large horn-shaped opening (15) with an outward opening at the top axis. The large horn-shaped opening (15) is used to discharge dissolved oxygen water. The dissolved oxygen nozzle (1) has a small horn-shaped opening (14) with an outward opening at the bottom axis. The small horn-shaped opening (14) is used to connect to the dissolved oxygenator (2). There is a cavity with a constant cross-section between the large horn-shaped opening (15) and the small horn-shaped opening (14). The horn cross-section of the small horn-shaped opening (14) is smaller than that of the large horn-shaped opening (15). The oxygen nozzle (1) has an oxygen passage groove (11) on the outer periphery of its bottom. The size of the annulus on the side of the oxygen passage groove (11) that is closer to the oxygenator (2) is smaller than the size of the annulus on the side that is farther away from the oxygenator (2), so that oxygen enters the oxygen passage groove (11) through the annulus on the side of the oxygenator (2) after being introduced from the oxygen input pipe (5). The oxygen nozzle (1) located in the oxygenation groove (11) section has an oxygen overflow groove (17) on the bottom axial surface. The oxygen overflow groove (17) is connected to the oxygenation groove (11). The oxygen overflow groove (17) is a plurality of circumferentially spaced on the bottom axial surface of the oxygen nozzle (1). The oxygenator (2) is provided with a rear inlet (23) for oxygen to enter, and the top of the oxygenator (2) is provided with a screw-on interface (22), which is connected to the rear inlet (23). The oxygenator (2) is provided with a water pipe interface (24) at the lower part and a water pipe (4) is installed by screwing in the threaded part. The oxygenator (2) is provided with a pressure differential hole (25) with an unchanged internal cross section in the middle section. The pressure differential hole (25) connects the screwed interface (22) and the water pipe interface (24). The lower part of the pressure differential hole (25) is a flared mouth facing the water pipe interface (24). After the top of the dissolved oxygen nozzle (1) is installed with the screw-in interface (22) of the oxygenator (2), the small horn (14) of the dissolved oxygen nozzle (1) and the differential pressure hole (25) are matched accordingly. After oxygen enters the oxygen overflow groove (17) from the oxygen inlet groove (11), the oxygen overflows from the multiple circumferentially spaced oxygen overflow grooves (17), mixes with the high-pressure water, and is then discharged through the pressure difference hole (25) to the large funnel mouth (15). When discharged from the large funnel mouth (15), negative pressure is generated, which again achieves turbulent mixing. This realizes that the water is pre-turbulently mixed in the high-pressure section environment of the oxygenator (2) and then discharged at the large funnel mouth (15) of the oxygenation nozzle (1) to achieve secondary turbulent mixing caused by negative pressure.

2. The low-pressure dissolved oxygenator as described in claim 1, characterized in that: The top of the dissolved oxygen nozzle (1) is provided with a thread (13) that engages with the top of the dissolved oxygen device (2) via a threaded interface (22).

3. The low-pressure dissolved oxygenator as described in claim 1, characterized in that: The dissolved oxygen nozzle (1) has a central groove (12) with an O-ring (3) installed on its radial outer periphery.

4. The low-pressure dissolved oxygenator as described in claim 3, characterized in that: When the dissolved oxygen nozzle (1) and the dissolved oxygenator (2) are screwed together and fixed, the O-ring (3) installed in the middle groove (12) plays a sealing role.

5. The low-pressure dissolved oxygen generator as described in claim 1, characterized in that: The oxygen dissolving device (2) has mounting threaded holes (21) on its outer periphery for installation.

6. The low-pressure dissolved oxygenator as described in claim 2, characterized in that: The dissolved oxygen nozzle (1) has a rotating hole (16) at the top of the thread (13).

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