CN109999683B - Underwater water-gas mixer - Google Patents
Underwater water-gas mixer Download PDFInfo
- Publication number
- CN109999683B CN109999683B CN201910447912.6A CN201910447912A CN109999683B CN 109999683 B CN109999683 B CN 109999683B CN 201910447912 A CN201910447912 A CN 201910447912A CN 109999683 B CN109999683 B CN 109999683B
- Authority
- CN
- China
- Prior art keywords
- pipe
- water
- side wall
- air outlet
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 53
- 239000007789 gas Substances 0.000 claims description 54
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 16
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000005273 aeration Methods 0.000 abstract description 3
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
- B01F23/20—Mixing gases with liquids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/75—Discharge mechanisms
- B01F35/754—Discharge mechanisms characterised by the means for discharging the components from the mixer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Accessories For Mixers (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
The invention relates to the technical field of aeration, in particular to an underwater water-gas mixer. The mixer includes: a gas supply pipe; the first water-gas mixing part is vertically arranged below the water surface; the first water-air mixing part comprises a bottom plate, the center of the bottom plate vertically extends to any side surface of the bottom plate to form an air outlet through pipe, and a plurality of through holes allowing water to pass through are formed in the bottom plate; the plane of the first air outlet of the air outlet pipe is different from the plane of the bottom plate, and the air supply pipe is connected to the air outlet pipe; forming a first side wall in the direction of one side of the vent pipe in the peripheral side direction of the bottom plate; the gas discharged from the first gas outlet forms pressure difference to drive water flow to move from outside to inside through the through hole, and the water flow is mixed with the gas of the first gas outlet.
Description
Technical Field
The invention relates to the technical field of aeration, in particular to an underwater water-gas mixer.
Background
Most of various underwater water-vapor mixing devices in the current market directly mix water vapor, but the time for mutual dissolution of water vapor is too short, and the water vapor cannot be well dissolved.
Disclosure of Invention
In order to effectively solve the problems, the invention provides an underwater water-gas mixer.
The specific technical scheme of the invention is as follows: an underwater hydro-pneumatic mixer, the mixer comprising:
a gas supply pipe;
the first water-gas mixing part is vertically arranged below the water surface;
the first water-air mixing part comprises a bottom plate, the center of the bottom plate vertically extends to any side surface of the bottom plate to form an air outlet through pipe, and a plurality of through holes allowing water to pass through are formed in the bottom plate;
the plane of the first air outlet of the air outlet pipe is different from the plane of the bottom plate, and the air supply pipe is connected to the air outlet pipe;
forming a first side wall in the direction of one side of the vent pipe in the peripheral side direction of the bottom plate;
the gas discharged from the first gas outlet forms pressure difference to drive water flow to move from outside to inside through the through hole, and the water flow is mixed with the gas of the first gas outlet.
Further, the bottom plate faces the direction of forming the air outlet pipe and forms a second side wall;
the second side wall is of a circular structure in section and is formed on the inner side of the first side wall;
a plurality of through holes are arranged between the second side wall and the first side wall.
Further, the bottom plate faces the direction of forming the air outlet pipe, and at least one auxiliary water through pipe is formed, and the auxiliary water through pipe is inclined to the air outlet pipe.
Further, at least one auxiliary water through pipe is formed at the inner position of the bottom plate corresponding to the second side wall, and the auxiliary water through pipe has an angle inclined to the air outlet through pipe.
Further, a first guide plate is fixedly extended from the first side wall, and the first guide plate is connected with the first side wall;
the section of the first guide plate is of a circular structure.
Further, a second guide plate is further fixedly extended from the second side wall, and the second guide plate is connected with the second side wall.
Further, the mixer further comprises a second water-air mixing part;
the second water-air mixing part comprises an air supply branch pipe, and the air supply branch pipe is inserted on the first side wall in a penetrating manner and is connected with the air supply pipe;
the air supply branch pipe is not connected with one end of the air supply pipe to form a second air outlet, and the air outlet direction of the second air outlet is perpendicular to the bottom plate.
Further, the second air outlet is arranged above the geometric space of the first air outlet.
Further, the side wall of the first side wall corresponding to the second air outlet extends to form at least one side wall water through pipe, one end of the side wall water through pipe is fixed on the first side wall, and the other end of the side wall water through pipe is arranged on the periphery of the second air outlet.
Further, an oxygen pipe is arranged in the gas supply pipe.
Further, an oxygen pipe and an oxygen branch pipe are further arranged in the air supply pipe, the oxygen pipe is connected with the oxygen branch pipe, the oxygen pipe is connected to the first air outlet, and the oxygen branch pipe is connected to the second air outlet.
The beneficial effects of the invention are as follows: the invention can realize rapid and efficient water-gas mixing, and in the mixing process, the maximum collision contact of liquid and gas is realized through a simple structure, and the gas mixed liquid with high solubility and rich gas content is manufactured, so that the invention can realize miniaturization and low price, can be easily maintained, can ensure sufficient flow, and can improve the use convenience and realize efficient and uniform mixing of water and gas.
Drawings
FIG. 1 is a schematic view of the overall structure of a first embodiment of an underwater hydro-pneumatic mixer provided by the invention;
FIG. 2 is a schematic view of the overall structure of a second embodiment of the underwater hydro-pneumatic mixer provided by the invention;
FIG. 3 is a schematic top view showing the overall structure of a second embodiment of the underwater water-gas mixer according to the present invention;
FIG. 4 is a schematic view of the third embodiment of the underwater gas mixer according to the present invention;
FIG. 5 is a schematic view showing the overall structure of a fourth embodiment of the underwater water-air mixer according to the present invention;
FIG. 6 is a schematic view showing the overall structure of a fifth embodiment of the underwater water-air mixer according to the present invention;
FIG. 7 is a schematic view showing the overall structure of a sixth embodiment of an underwater gas mixer according to the present invention;
FIG. 8 is a cross-sectional view of a sixth embodiment of an underwater hydro-pneumatic mixer provided by the present invention;
fig. 9 is a schematic overall structure of a seventh embodiment of the underwater water-gas mixer provided by the invention.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
As shown in fig. 1, a schematic structural diagram of a first embodiment of an underwater water-gas mixer provided by the present invention, where the mixer includes: a gas supply pipe 1 and a first water-gas mixing part 2, wherein the first water-gas mixing part 2 is vertically arranged below the water surface;
the first water-gas mixing part 2 includes a bottom plate 21, the center of the bottom plate 21 extends vertically to any side of the bottom plate 21 to form an air outlet pipe 22, the direction of vertical extension can be understood as that the bottom plate 21 extends toward the inner direction of the first water-gas mixing part 2, and a plurality of through holes 23 allowing water to pass through are formed on the bottom plate 21;
the plane where the first air outlet 220 of the air outlet pipe 22 is located and the plane where the bottom plate 21 is located have a distance difference, the air supply pipe 1 is connected to the air outlet pipe 22, and in this embodiment, the air supply pipe 1 and the air outlet pipe 22 may be understood as an integral injection molding structure;
a first side wall 24 is formed on the outer peripheral side of the bottom plate 21 in a direction of forming one side of the air outlet pipe 22, and in this embodiment, the cross-sectional shape of the first side wall 24 is a circular structure, but is not limited to a circular structure, and may be replaced by a square structure, or a rectangular structure, preferably a circular structure or an approximately circular structure;
the gas discharged from the first gas outlet 220 forms a pressure difference, drives the water flow to move from the outside to the inside of the through hole 23, and is mixed with the gas of the first gas outlet 220;
the first air outlet 220 is provided with air flow by an external aeration power device, the air flow passes through the air supply pipe 1 and is discharged by the first air outlet 220, the mixer is placed under the water surface and is used vertically to the water surface, the first air outlet 220 faces the water surface to discharge air, in the process of discharging air, the air flow is generated in the first side wall 24, the air flow causes pressure difference in the first water-air mixing part 2, the pressure difference drives water flow outside the first water-air mixing part 2 to enter the water-air mixing part 2 through the through holes 23, and water entering the first water-air mixing part 2 through the through holes 23 is strip-shaped water flow and is mixed with the air to generate a water-air mixture; the invention can realize water-gas mixing by only providing gas and specific structural characteristics;
a small fan may also be mounted on the inner wall of the gas supply pipe 1.
As shown in fig. 2 and 3, the overall structure and perspective view of a second embodiment of an underwater water-air mixer provided by the present invention are partially the same as those of the above embodiments, and will not be described in detail, except that the bottom plate 21 is further formed with a second side wall 25 facing the direction of forming the air outlet pipe 22;
the second side wall 25 has a circular cross section and is formed inside the first side wall 24, and in an embodiment, the second side wall 25 has the same cross section as the first side wall 24, so as to uniformly mix water and gas between the first side wall 24 and the second side wall 25;
a plurality of through holes 23 are arranged between the second side wall 25 and the first side wall 24;
in this embodiment, the provided second side wall 25 can isolate the through hole 23 on the bottom plate 21, so that after the gas is introduced, the water flow entering the first water-gas mixing portion 2 through the through hole 23 is effectively and uniformly distributed and isolated, and the water-gas mixing is more uniform.
As shown in fig. 4, the overall structure of a third embodiment of the underwater water-gas mixer provided by the present invention is partially the same as that of the above embodiment, and will not be described again, except that at least one auxiliary water pipe 26 is further formed in the direction of the bottom plate 21 facing the air outlet pipe 22, and the auxiliary water pipe 26 has an angle inclined to the air outlet pipe 22;
one end of the auxiliary water pipe 26 is connected with the through hole 23, and the other end is arranged on the outer periphery side of the first air outlet 220;
the auxiliary water pipe 26 is convenient for directly introducing the water flow entering through the through hole 23 to the vicinity of the first air outlet 220, so as to improve the efficiency of water-air mixing;
in other embodiments, at least one auxiliary water pipe 26 is further formed at an inner position of the bottom plate 21 corresponding to the second side wall 25, and the auxiliary water pipe 26 has an angle inclined to the air outlet pipe 22.
As shown in fig. 5, the overall structure of a fourth embodiment of the underwater water-air mixer provided by the present invention is partially the same as that of the above embodiment, and will not be described again, except that the second side wall 25 is further extended and fixed with a second guide plate 4, and the second guide plate 4 is connected with the second side wall 25.
As shown in fig. 6, the overall structure of a fifth embodiment of the underwater water-air mixer provided by the present invention is partially the same as that of the above embodiment, and will not be described again, except that the first side wall 24 is further extended and fixed with a first guide plate 3, and the first guide plate 3 is connected with the first side wall 24;
the section of the first guide plate 3 is of a circular structure.
As shown in fig. 7 and 8, the overall structure of a sixth embodiment of an underwater water-gas mixer provided by the present invention is partially the same as that of the above embodiment, and will not be described again, except that the mixer further includes a second water-gas mixing portion 5;
the second water-air mixing part 5 comprises an air supply branch pipe 10, and the air supply branch pipe 10 is inserted and connected on the first side wall 24 in a penetrating way and is connected with the air supply pipe 1;
the air supply branch pipe 10 is not connected with one end of the air supply pipe 1 to form a second air outlet 100, and the air outlet direction of the second air outlet 100 is perpendicular to the bottom plate 21.
The second air outlet 100 is disposed above the geometric space of the first air outlet 220.
The first side wall 24 extends on the side wall corresponding to the second air outlet 100 to form at least one side wall water pipe 27, one end of the side wall water pipe 27 is fixed on the first side wall 24, the first side wall 24 is provided with a through hole for extending out of the side wall water pipe 27, and the other end of the side wall water pipe 27 is arranged on the periphery of the second air outlet 100.
As shown in fig. 9, the overall structure of a seventh embodiment of the underwater water-air mixer provided by the present invention is partially the same as that of the above embodiment, and will not be described again, except that an oxygen pipe 101 is further disposed inside the air supply pipe 1 to increase the oxygen content of water air;
in other embodiments, an oxygen pipe 101 and an oxygen branch pipe 102 are further disposed inside the gas supply pipe 1, the oxygen pipe 101 is connected to the oxygen branch pipe 102, the oxygen pipe 101 is connected to the first gas outlet 220, and the oxygen branch pipe 102 is connected to the second gas outlet 100.
Claims (8)
1. An underwater hydro-pneumatic mixer, characterized in that it comprises:
a gas supply pipe (1);
a first water-gas mixing part (2), wherein the first water-gas mixing part (2) is vertically arranged below the water surface;
the first water-air mixing part (2) comprises a bottom plate (21), wherein the center of the bottom plate (21) vertically extends to any side surface of the bottom plate (21) to form an air outlet through pipe (22), and a plurality of through holes (23) allowing water to pass through are formed in the bottom plate (21);
the plane of the first air outlet (220) of the air outlet pipe (22) is different from the plane of the bottom plate (21), and the air supply pipe (1) is connected to the air outlet pipe (22);
a first side wall (24) is formed on one side of the air outlet pipe (22) formed on the periphery side of the bottom plate (21);
the gas exhausted from the first gas outlet (220) forms pressure difference to drive water flow to move outwards and inwards from the through hole (23) and mix with the gas of the first gas outlet (220);
the bottom plate (21) faces the direction of forming the air outlet pipe (22) and also forms at least one auxiliary water through pipe (26), and the auxiliary water through pipe (26) has an angle inclined to the air outlet pipe (22);
the mixer also comprises a second water-gas mixing part (5);
the second water-air mixing part (5) comprises an air supply branch pipe (10), and the air supply branch pipe (10) is inserted and connected on the first side wall (24) in a penetrating way and is connected with the air supply pipe (1);
one end of the air supply branch pipe (10) which is not connected with the air supply pipe (1) forms a second air outlet (100), and the air outlet direction of the second air outlet (100) is mutually perpendicular to the bottom plate (21).
2. The underwater hydro-pneumatic mixer as claimed in claim 1, characterized in that said bottom plate (21) is also formed with a second side wall (25) facing in the direction of forming the air outlet duct (22);
the second side wall (25) has a circular cross section and is formed inside the first side wall (24);
a plurality of through holes (23) are arranged between the second side wall (25) and the first side wall (24).
3. The underwater hydro-pneumatic mixer as claimed in claim 2, characterized in that at least one auxiliary water passage pipe (26) is formed in the bottom plate (21) at an inner position corresponding to the second side wall (25), the auxiliary water passage pipe (26) having an angle inclined to the air outlet pipe (22).
4. The underwater gas mixer as claimed in claim 1, characterized in that the first side wall (24) is further extended and fixed with a first guide plate (3), the first guide plate (3) being connected with the first side wall (24);
the section of the first guide plate (3) is of a circular structure.
5. The underwater gas mixer as claimed in claim 2, characterized in that the second side wall (25) is further extended and fixed with a second guide plate (4), the second guide plate (4) being connected with the second side wall (25).
6. The underwater hydro-pneumatic mixer of claim 1, wherein the second air outlet (100) is disposed above the geometric space of the first air outlet (220).
7. The underwater water-gas mixer as claimed in claim 6, wherein the first side wall (24) extends to form at least one side wall water through pipe (27) corresponding to the side wall of the second air outlet (100), one end of the side wall water through pipe (27) is fixed on the first side wall (24), and the other end of the side wall water through pipe (27) is arranged on the periphery side of the second air outlet (100).
8. The underwater hydro-pneumatic mixer as claimed in claim 1, characterized in that an oxygen pipe (101) is also provided inside the gas supply pipe (1).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018115439077 | 2018-12-17 | ||
| CN201811543907.7A CN109621757A (en) | 2018-12-17 | 2018-12-17 | Underwater water-gas mixer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109999683A CN109999683A (en) | 2019-07-12 |
| CN109999683B true CN109999683B (en) | 2024-01-19 |
Family
ID=66074723
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543907.7A Pending CN109621757A (en) | 2018-12-17 | 2018-12-17 | Underwater water-gas mixer |
| CN201920772713.8U Active CN210229661U (en) | 2018-12-17 | 2019-05-27 | Underwater water-gas mixer |
| CN201910447912.6A Active CN109999683B (en) | 2018-12-17 | 2019-05-27 | Underwater water-gas mixer |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543907.7A Pending CN109621757A (en) | 2018-12-17 | 2018-12-17 | Underwater water-gas mixer |
| CN201920772713.8U Active CN210229661U (en) | 2018-12-17 | 2019-05-27 | Underwater water-gas mixer |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN109621757A (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109621757A (en) * | 2018-12-17 | 2019-04-16 | 邹权明 | Underwater water-gas mixer |
| CN110180417B (en) * | 2019-07-04 | 2023-10-13 | 湛江市鸿振机械设备有限公司 | Water-gas mixer |
| CN112717740A (en) * | 2020-12-22 | 2021-04-30 | 胡宪昌 | High-efficient air water solution closes device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2201173Y (en) * | 1994-07-27 | 1995-06-21 | 江苏理工大学 | Gas-liquid mixer of bioreactor |
| CN2222004Y (en) * | 1995-06-27 | 1996-03-13 | 张宇舟 | Multi-stage gas and liquid mixer |
| CN2355782Y (en) * | 1998-12-11 | 1999-12-29 | 刘学荣 | Liquid soluble oxygen increasing device |
| CN1795997A (en) * | 2004-12-22 | 2006-07-05 | 茂名学院 | Self-sucking type nozzle in two phases of gas-fluid with structure of convex circular ring |
| CN2863783Y (en) * | 2006-01-11 | 2007-01-31 | 重庆大学 | Pulse jet aeration reactor |
| CN201530748U (en) * | 2009-10-29 | 2010-07-21 | 中国中化股份有限公司 | Gas blasting movable injection aerator |
| CN106215734A (en) * | 2016-08-30 | 2016-12-14 | 江苏大学镇江流体工程装备技术研究院 | A kind of high efficient gas and liquid blender for air and liquid twophase flow experiment |
| KR20180073174A (en) * | 2016-12-22 | 2018-07-02 | 주식회사 포스코 | Apparatus for mixing gas |
| CN207619121U (en) * | 2017-08-21 | 2018-07-17 | 石狮市顺盛水产养殖专业合作社 | Improve the disturbed flow type oxygen-increasing device of water, gas mixed area |
| CN210229661U (en) * | 2018-12-17 | 2020-04-03 | 湛江市鸿振机械设备有限公司 | Underwater water-gas mixer |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6442048B2 (en) * | 2014-10-09 | 2018-12-19 | スプレイング システムズ マニュファクチャリング ユーロプ ゲーエムベーハー | Two-fluid nozzle |
-
2018
- 2018-12-17 CN CN201811543907.7A patent/CN109621757A/en active Pending
-
2019
- 2019-05-27 CN CN201920772713.8U patent/CN210229661U/en active Active
- 2019-05-27 CN CN201910447912.6A patent/CN109999683B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2201173Y (en) * | 1994-07-27 | 1995-06-21 | 江苏理工大学 | Gas-liquid mixer of bioreactor |
| CN2222004Y (en) * | 1995-06-27 | 1996-03-13 | 张宇舟 | Multi-stage gas and liquid mixer |
| CN2355782Y (en) * | 1998-12-11 | 1999-12-29 | 刘学荣 | Liquid soluble oxygen increasing device |
| CN1795997A (en) * | 2004-12-22 | 2006-07-05 | 茂名学院 | Self-sucking type nozzle in two phases of gas-fluid with structure of convex circular ring |
| CN2863783Y (en) * | 2006-01-11 | 2007-01-31 | 重庆大学 | Pulse jet aeration reactor |
| CN201530748U (en) * | 2009-10-29 | 2010-07-21 | 中国中化股份有限公司 | Gas blasting movable injection aerator |
| CN106215734A (en) * | 2016-08-30 | 2016-12-14 | 江苏大学镇江流体工程装备技术研究院 | A kind of high efficient gas and liquid blender for air and liquid twophase flow experiment |
| KR20180073174A (en) * | 2016-12-22 | 2018-07-02 | 주식회사 포스코 | Apparatus for mixing gas |
| CN207619121U (en) * | 2017-08-21 | 2018-07-17 | 石狮市顺盛水产养殖专业合作社 | Improve the disturbed flow type oxygen-increasing device of water, gas mixed area |
| CN210229661U (en) * | 2018-12-17 | 2020-04-03 | 湛江市鸿振机械设备有限公司 | Underwater water-gas mixer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN210229661U (en) | 2020-04-03 |
| CN109999683A (en) | 2019-07-12 |
| CN109621757A (en) | 2019-04-16 |
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Effective date of registration: 20240122 Address after: 524043 room 2, 12th floor, Yayuan apartment building (zhiyuangu technology business incubator), 18 Guangtian Road, Chikan District, Zhanjiang City, Guangdong Province Patentee after: Zhanjiang Hongzhen mechanical equipment Co.,Ltd. Country or region after: China Address before: No. 012, Xinhua 1st Road, Maichen Town, Xuwen County, Zhanjiang City, Guangdong Province, 524100 Patentee before: Zou Quanming Country or region before: China |
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Effective date of registration: 20240205 Address after: No. 012, Xinhua 1st Road, Maichen Town, Xuwen County, Zhanjiang City, Guangdong Province, 524100 Patentee after: Zou Quanming Country or region after: China Address before: 524043 room 2, 12th floor, Yayuan apartment building (zhiyuangu technology business incubator), 18 Guangtian Road, Chikan District, Zhanjiang City, Guangdong Province Patentee before: Zhanjiang Hongzhen mechanical equipment Co.,Ltd. Country or region before: China |
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