CN-224212495-U - Submersible jet ozone aerator for aquaculture wastewater treatment

CN224212495UCN 224212495 UCN224212495 UCN 224212495UCN-224212495-U

Abstract

The utility model discloses a submersible jet ozone aerator for aquaculture wastewater treatment, and relates to the technical field of wastewater treatment equipment. The combined micro-nano bubble generator comprises a first generator, a second generator and a third generator which are sequentially connected in a threaded mode, wherein an inlet end cover is sleeved on one end, away from the second generator, of the first generator in a threaded mode, a liquid inlet pipe is arranged on one end, away from the first generator, of the inlet end cover, an aeration assembly is arranged in the liquid inlet pipe, and an outlet end cover is sleeved on one end, away from the second generator, of the third generator in a threaded mode. According to the utility model, the ozone-based micro-nano bubbles are obtained through the aeration component and the combined micro-nano bubble generator, so that the reaction time of ozone in the bubbles in water is prolonged, and the culture wastewater and the ozone are fully mixed and contacted.

Inventors

HUANG ZHIJIE
LIU YANG
JI XUEYING
Zuo Haoxuan
CHEN ZHICHAO
LI LIANG
ZHANG YUFENG
ZHANG QIJIU
PEI JIE

Assignees

北华大学

Dates

Publication Date: 20260508
Application Date: 20250605

Claims (10)

1. The submerged jet ozone aerator for aquaculture wastewater treatment is characterized by comprising an oxygen bottle (100), an ozone generator (200), a water tank (500), a high-pressure water pump (600), a water valve (700) and a combined micro-nano bubble generator (800); The combined micro-nano bubble generator (800) comprises a first generator (804), a second generator (805) and a third generator (806) which are sequentially connected in a threaded manner along the axial direction of the combined micro-nano bubble generator, wherein one end of the first generator (804) deviating from the second generator (805) is in threaded connection with an inlet end cover (803), one end of the inlet end cover (803) deviating from the first generator (804) is provided with a liquid inlet pipe (801), the liquid inlet pipe (801) is communicated with the first generator (804), an aeration assembly (802) is arranged in the liquid inlet pipe (801), one end of the third generator (806) deviating from the second generator (805) is in threaded connection with an outlet end cover (807 a), one end of the outlet end cover (807) deviating from the third generator (806) is fixedly connected with an end cover outlet pipe (807 a) communicated with the outlet end cover (807), and the outside of the first generator (804), the second generator (805) and the third generator (806) is provided with an end cover outlet pipe (807 a) fixedly connected with the outlet assembly (808); The aeration assembly (802) comprises an L-shaped air inlet pipe (802 a) fixedly connected to the inside of the liquid inlet pipe (801), an aeration pipe (802 b) is sleeved at one end of the inside of the liquid inlet pipe (801), a gap is reserved between the inner wall of the liquid inlet pipe (801) and the outer wall of the aeration pipe (802 b), and a plurality of penetrating aeration holes (802 b-1) are uniformly formed in the side wall of the aeration pipe (802 b).
2. A submerged jet ozone aerator for aquaculture wastewater treatment according to claim 1, characterized in that a first mixing chamber (803 a) is formed between the first generator (804) and the inlet end cap (803), a second mixing chamber (804 b) is formed between the first generator (804) and the second generator (805), a third mixing chamber (805 b) is formed between the second generator (805) and the third generator (806), and a fourth mixing chamber (806 b) is formed between the third generator (806) and the outlet end cap (807).
3. A submerged jet ozone aerator for the treatment of aquaculture wastewater according to claim 1, characterized in that the centre line of the aeration holes (802 b-1) is perpendicular to the centre line of the liquid inlet pipe (801) and the diameter of the aeration holes (802 b-1) increases gradually from the inlet pipe (802 a) towards the liquid inlet pipe (801).
4. A submerged jet ozone aerator for aquaculture wastewater treatment according to claim 1, characterized in that the liquid inlet pipe (801) comprises a first pipe section (801 a), a second pipe section (801 b) and a third pipe section (801 c) arranged in axial sequence, the inner diameters of the first pipe section (801 a), the second pipe section (801 b) and the third pipe section (801 c) being stepwise tapered; The aeration aperture (802 b-1) of the air inlet pipe (802 a) is located at least partially within the third pipe section (801 c).
5. The submersible jet ozone aerator for aquaculture wastewater treatment according to claim 1, wherein a plurality of uniformly distributed primary throttle channels (804 a), secondary throttle channels (805 a) and tertiary throttle channels (806 a) which are penetrated along the axial direction are respectively arranged in the first generator (804), the second generator (805) and the third generator (806).
6. The submerged jet ozone aerator for aquaculture wastewater treatment of claim 5, wherein the primary (804 a), secondary (805 a) and tertiary (806 a) throttling channels are all gourd shaped and the smallest pore sizes of the primary (804 a), secondary (805 a) and tertiary (806 a) throttling channels decrease in sequence.
7. The submersible jet ozone aerator for aquaculture wastewater treatment according to claim 1, wherein the air outlet of the oxygen bottle (100) is communicated with the inlet end of the ozone generator (200), an air valve (300) is installed at the outlet end of the ozone generator (200), a stop valve (400) is installed at the outlet end of the other side of the air valve (300), the outlet end of the other side of the stop valve (400) is communicated with the air inlet pipe (802 a), the inlet end of the high-pressure water pump (600) is communicated with the water tank (500) through a pipeline, a water valve (700) is installed at the outlet end of the high-pressure water pump (600), and the outlet end of the other side of the water valve (700) is communicated with the liquid inlet pipe (801).
8. A submerged jet ozone aerator for aquaculture wastewater treatment according to claim 1, characterized in that one end of the inlet end cap (803) facing away from the first generator (804) is fixedly connected with a connecting pipe (803 b) communicating with the inlet end cap (803), and that the liquid inlet pipe (801) is screw-sleeved inside the connecting pipe (803 b).
9. A submerged jet ozone aerator for aquaculture wastewater treatment according to claim 1, characterized in that a stabilizing support (802 c) is fixedly connected to the outside of the aeration pipe (802 b), and the stabilizing support (802 c) is sandwiched between the liquid inlet pipe (801) and the inlet end cap (803).
10. A submerged jet ozone aerator for aquaculture wastewater treatment according to claim 1, characterized in that the fixing assembly (808) comprises a front cover (808 a) fixedly sleeved outside the liquid inlet pipe (801), an n-shaped fixing frame (808 b) is rotatably connected to the outside of the end cover outlet pipe (807 a), and the fixing frame (808 b) is connected with the front cover (808 a) through bolts.

Description

Submersible jet ozone aerator for aquaculture wastewater treatment Technical Field The utility model belongs to the technical field of wastewater treatment equipment, and particularly relates to a submersible jet ozone aerator for aquaculture wastewater treatment. Background The contents of ammonia nitrogen (NH 3-N), nitrate nitrogen (NO 3-N), nitrite nitrogen (NO 2-N) and phosphorus and potassium in aquaculture wastewater are generally out of standard, and if the aquaculture wastewater is not treated effectively, the pollutants can enter surface water through rain wash and other ways to cause serious harm to surrounding water environment. The traditional water quality purifying modes such as self-cleaning of water, periodic water changing, phytoremediation and the like cannot lead the water quality to reach ideal standards. The existing submersible jet ozone aerator has the defects of low oxygenation efficiency, insufficient ozone utilization rate, high energy consumption, complex structure and the like in application, and influences the application effect in actual production. To this end we provide a submersible jet ozone aerator for aquaculture wastewater treatment to solve the above problems. Disclosure of utility model In view of the above, the utility model provides a submerged jet ozone aerator for aquaculture wastewater treatment, which aims to solve the defects in the prior art, improve the treatment efficiency and reduce the energy consumption. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a submersible jet ozone aerator for aquaculture wastewater treatment, which comprises an oxygen bottle, an ozone generator, a water tank, a high-pressure water pump, a water valve and a combined micro-nano bubble generator; The combined micro-nano bubble generator comprises a first generator, a second generator and a third generator which are sequentially connected in a threaded manner along the axial direction of the combined micro-nano bubble generator, wherein one end of the first generator, which is far away from the second generator, is in threaded connection with an inlet end cover, one end of the inlet end cover, which is far away from the first generator, is provided with a liquid inlet pipe, the liquid inlet pipe is communicated with the first generator, an aeration assembly is arranged in the liquid inlet pipe, one end of the third generator, which is far away from the second generator, is in threaded connection with an outlet end cover, one end of the outlet end cover, which is far away from the third generator, is fixedly connected with an end cover outlet pipe, which is communicated with the outlet end cover, and a fixing assembly is arranged outside the first generator, the second generator and the third generator; The aeration component comprises an L-shaped air inlet pipe fixedly connected to the inside of the liquid inlet pipe, an aeration pipe is sleeved at one end of the air inlet pipe, which is positioned in the liquid inlet pipe, a gap is reserved between the inner wall of the liquid inlet pipe and the outer wall of the aeration pipe, and a plurality of aeration holes penetrating through the side wall of the aeration pipe are uniformly formed. The utility model is further arranged such that a first mixing chamber is formed between the first generator and the inlet end cap, a second mixing chamber is formed between the first generator and the second generator, a third mixing chamber is formed between the second generator and the third generator, and a fourth mixing chamber is formed between the third generator and the outlet end cap. The utility model is further arranged that the central line of the aeration hole is vertical to the central line of the liquid inlet pipe, and the diameter of the aeration hole is gradually increased from the air inlet pipe to the liquid inlet pipe. The utility model is further arranged that the liquid inlet pipe comprises a first pipe section, a second pipe section and a third pipe section which are sequentially arranged along the axial direction, and the inner diameters of the first pipe section, the second pipe section and the third pipe section are gradually reduced; The aeration holes of the air inlet pipe are at least partially positioned in the third pipe section. The utility model is further provided that the first generator, the second generator and the third generator are respectively provided with a plurality of uniformly distributed primary throttling channels, secondary throttling channels and tertiary throttling channels which are communicated along the axial direction. The utility model further provides that the primary throttling channel, the secondary throttling channel and the tertiary throttling channel are all in a calabash shape, and the minimum apertures of the primary throttling channel, the secondary throttling channel and the tertiary throttling cha