CN114180704B - Air supply oxygenation micro-oxidation device of oilfield water injection system - Google Patents

Air supply oxygenation micro-oxidation device of oilfield water injection system Download PDF

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Publication number
CN114180704B
CN114180704B CN202111524895.5A CN202111524895A CN114180704B CN 114180704 B CN114180704 B CN 114180704B CN 202111524895 A CN202111524895 A CN 202111524895A CN 114180704 B CN114180704 B CN 114180704B
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aeration
shaft
plate
box
reaction box
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CN202111524895.5A
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CN114180704A (en
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王斯瑶
孙颖
刘志江
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Daqing Haiyouqing Petroleum Science & Technology Co ltd
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Daqing Haiyouqing Petroleum Science & Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/74Treatment of water, waste water, or sewage by oxidation with air
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/10Nature of the water, waste water, sewage or sludge to be treated from quarries or from mining activities
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

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  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)

Abstract

The invention provides an air supply oxygenation micro-oxidation device of an oilfield water injection system. Relates to the technical field of aeration. The upper part of the left side of the reaction box is provided with a water inlet pipe, a water outlet pipe, an aeration plate and a baffle plate, the top opening of the reaction box is connected with a ventilation pipe, a fan is arranged in the ventilation pipe, and the fan is connected with a stirring shaft. The invention has the following beneficial effects: aeration plate and sewage flow area go up for sewage aeration, improved the aeration area, sewage aeration does not keep the dead angle, upwards roll over again through abundant aeration and return to stirring rake place space, the stirring rake utilizes the air current of upwards discharging in the ventilation pipe as power, cut, break the big bubble that gathers into in the sewage that flows through, little bubble that forms after breaking forms micro oxidation reaction with sewage, further improved aeration efficiency, through wind-force drive blade rotation, drive the (mixing) shaft rotation, utilize natural wind power to improve stirring intensity.

Description

Air supply oxygenation micro-oxidation device of oilfield water injection system
Technical field:
the invention relates to the technical field of aeration, in particular to an air supply oxygenation micro-oxidation device of an oilfield water injection system.
The background technology is as follows:
when the oilfield water injection system is used for injecting sewage, the sewage contains a large amount of reducing substances, if the sewage is directly used for dissolving polymers without treatment, the reducing substances in the water can partially oxidize and degrade the polymers, the viscosity of injection allocation liquid is reduced, the usage amount of the polymers is increased, and the geological development effect is affected.
The invention comprises the following steps:
the invention provides an air supply oxygenation micro-oxidation device of an oilfield water injection system, which aims to solve the problems of low aeration efficiency and high power load of the existing oilfield water injection system.
The technical scheme of the invention is as follows: the utility model provides an oil field water injection system air feed oxygenation micro-oxidation device, including the reaction tank, reaction tank left side upper portion is equipped with the inlet tube, reaction tank right side upper portion is equipped with the outlet pipe, the inlet tube right side is equipped with aeration board I, aeration board I upside and reaction tank top board are connected, leave a passageway between downside and the reaction tank bottom plate, aeration board I right side is equipped with aeration board II, aeration board II downside and reaction tank bottom plate are connected, leave a passageway between upside and the reaction tank roof, aeration board I and aeration board II are hollow structure, aeration board I and aeration board II all have the pipe connection roots fan, aeration board I and aeration board II both sides install the aeration head of equipartition, aeration board II right side is equipped with baffle I, baffle II and baffle III, baffle I and baffle III upside are connected with the reaction tank top board, leave a passageway between downside and the reaction tank bottom plate, baffle III right side is connected with the reaction tank bottom plate, the pipe that the diameter of reaction tank top opening becomes little, the conical tube upper portion is connected with the reaction tank top plate, the conical tube upper portion is connected with the impeller shaft, the impeller shaft is connected with the impeller shaft through the bearing, the impeller shaft is connected with the impeller set through the bearing, the impeller shaft is connected in the impeller set is connected in the impeller shaft is connected with the impeller set through the impeller shaft, the impeller shaft is connected in the impeller shaft is connected with the impeller set through the impeller shaft is connected in the impeller shaft is connected through the impeller drive shaft is connected through the impeller.
The stirring shaft outside is equipped with the stay tube and connects at the reaction box top, stay tube top flange joint base, the base passes through the bearing, the gear box is connected to the retaining ring, fixed connection bevel gear I in the gear box stretches into upwards to the stirring shaft, bevel gear I is 90 angle meshing with bevel gear II and is connected, bevel gear II fixed connection wind-force axle, the wind-force axle passes through the bearing group and connects the gear box, wind-force axle stretches out the partial fixed connection axle sleeve in gear box outside, install the blade of equipartition on the axle sleeve, the blade is in the opposite position, be equipped with the tail vane on the gear box.
An overrun clutch is arranged in the belt pulley II and is connected with the stirring shaft through gear transmission.
The wind power shaft is connected with the sliding sleeve through the bearing group, the sliding sleeve is connected with the gear box in a clearance fit way, a spring is arranged between the inner side of the sliding sleeve and the gear box, a stop block is fixedly connected with the gear box outside the sliding sleeve, when no external force exists, the bevel gear I and the bevel gear II are in a separated state, and after the spring is compressed, the bevel gear I and the bevel gear II are in a meshed state.
The Roots blower is arranged at the top of the reaction box.
The invention has the following beneficial effects: aeration plate and sewage flow area go up for sewage aeration, improved the aeration area, sewage aeration does not keep the dead angle, upwards roll over again through abundant aeration and return to stirring rake place space, the stirring rake utilizes the air current of upwards discharging in the ventilation pipe as power, cut, break the big bubble that gathers into in the sewage that flows through, little bubble that forms after breaking forms micro oxidation reaction with sewage, further improved aeration efficiency, through wind-force drive blade rotation, drive the (mixing) shaft rotation, utilize natural wind power to improve stirring intensity.
Description of the drawings:
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is an enlarged view at a of fig. 1.
In the figure, the reactor comprises a 1-reaction box, a 2-water inlet pipe, a 3-water outlet pipe, a 4-aeration plate I, a 5-aeration plate II, a 6-aeration head, a 7-baffle I, a 8-baffle II, a 9-baffle III, a 10-conical pipe, a 11-ventilation pipe, a 12-pillar, a 13-mounting plate, a 14-fan, a 15-driving shaft, a 16-belt pulley I, a 17-stirring shaft, a 18-stirring paddle, a 19-support pipe, a 20-gear box, a 21-bevel gear I, a 22-blade, a 23-tail rudder, a 24-belt pulley II, a 25-bevel gear II, a 26-wind shaft, a 27-spring, a 28-sliding sleeve, a 29-shaft sleeve, a 30-Roots blower and a 31-base.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings:
as shown by combining FIG. 1 with FIG. 2, the air supply oxygenation micro-oxidation device of the oilfield water injection system comprises a reaction box 1, wherein a water inlet pipe 2 is arranged at the upper part of the left side of the reaction box 1, a water outlet pipe 3 is arranged at the upper part of the right side of the reaction box 1, an aeration plate I4 is arranged at the right side of the water inlet pipe 2, the upper side of the aeration plate I4 is connected with the top plate of the reaction box 1, a passageway is reserved between the lower side of the aeration plate I4 and the bottom plate of the reaction box 1, an aeration plate II5 is arranged at the right side of the aeration plate I4, a passageway is reserved between the upper side and the top plate of the reaction box 1, the aeration plate I4 and the aeration plate II5 are of hollow structures, a pipeline is connected with a Roots blower 30, aeration heads 6 are arranged at the two sides of the aeration plate I4 and the aeration plate II5, a baffle I7, a baffle II8 and a baffle III9 are arranged at the right side of the aeration plate II5, the upper sides of the baffle I7 and the baffle III9 are connected with the top plate of the reaction box 1, a passageway is reserved between the lower side and the bottom plate of the reaction box 1, the lower side of the baffle II8 is connected with the bottom plate of the reaction box 1, a passageway is reserved between the upper side and the top plate of the reaction box 1, the right side of the baffle III9 is connected with the conical pipe 10 with the diameter of the upper part reduced, the upper part of the conical pipe 10 is connected with the ventilation pipe 11, the upper part of the ventilation pipe 11 is connected with the mounting plate 13 through the supporting column 12, the mounting plate 13 is connected with the driving shaft 15 through the bearing group, the bottom of the driving shaft 15 is provided with the fan 14, the fan 14 is positioned in the ventilation pipe 11, the upper part of the driving shaft 15 is fixedly connected with the belt pulley I16, the belt pulley I16 is connected with the belt pulley II24 through the gear transmission, the stirring shaft 17 is arranged at the top of the reaction box 1 through the bearing group, the stirring shaft 17 downwards stretches into the reaction box 1, the part of the stirring paddle 18 is provided with the stirring paddle 18, the stirring paddle 18 is located at a position between the partition I7 and the partition II 8.
Sewage enters the reaction tank 1 through the water inlet pipe 2, flows downwards through the aeration plate I4 and then upwards returns to flow between the aeration plate I4 and the aeration plate II5, the Roots blower 30 supplies air to the aeration head 6, compressed air exposed by the aeration head aerates the sewage, the aeration area is increased, the sewage aeration does not leave dead angles, the sewage after full aeration is upwards returned to the space where the stirring paddles 18 are located, the stirring paddles 18 cut and break the large bubbles collected in the flowing sewage by using the airflow separated from the sewage by the aeration gas discharged upwards in the ventilation pipes 11 as power, the micro-oxidation reaction is formed between the small bubbles formed after breaking and the sewage, the aeration efficiency is further improved, the sewage after the reaction flows out from the water outlet pipe 3, and the air flowing out from the liquid surface flows out from the ventilation pipes 11;
the sewage flows through the stirring paddle 18 and then enters the space between the partition board II and the partition board III, and then flows out through the water outlet pipe 3, so that the reaction time is increased, and the aeration efficiency is improved.
The stirring shaft 17 is provided with a supporting tube 19 outside and is connected to the top of the reaction box 1, the top flange of the supporting tube 19 is connected with a base 31, the base 31 is connected with a gear box 20 through a bearing and a check ring, the stirring shaft 17 upwards stretches into the gear box 20 to be fixedly connected with a bevel gear I21, the bevel gear I21 is in 90-degree angle meshed connection with a bevel gear II25, the bevel gear II25 is fixedly connected with a wind shaft 26, the wind shaft 26 is connected with the gear box 20 through a bearing group, the wind shaft 26 stretches out of a part fixedly connected with a shaft sleeve 29 outside the gear box 20, uniformly distributed blades 22 are arranged on the shaft sleeve 29, the reverse positions of the blades 22 are arranged on the gear box 20, and when wind exists, the wind power drives the blades 22 to rotate to drive the stirring shaft 17 to rotate, and the stirring strength is improved by natural wind power.
The pulley II24 is internally provided with an overrunning clutch which is connected with the stirring shaft 17 through gear transmission, the overrunning clutch can separate the driving force of the stirring shaft 17 driven by natural wind from the driving force of the fan 14, and when the speed of the stirring shaft 17 driven by the natural wind is faster than that of the stirring shaft 17 driven by the fan 14, the overrunning clutch drives the fan 14 to be disconnected so as not to reduce the natural driving force.
The wind power shaft 26 is connected with the sliding sleeve 28 through the bearing group, the sliding sleeve 28 is connected with the gear box 20 in a clearance fit way, a spring 27 is arranged between the inner side of the sliding sleeve 28 and the gear box 20, a stop block is arranged on the outer side of the sliding sleeve 28 and fixedly connected with the gear box 20, when no external force exists, the bevel gear I21 and the bevel gear II25 are in a separated state, after the spring 27 is compressed, the bevel gear I21 and the bevel gear II25 are in a meshed state, when the wind power driving blade 22 rotates, wind pressure presses the sliding sleeve 28 and the spring 27 to move inwards, the bevel gear I21 and the bevel gear II25 are in a meshed state, natural wind power starts to drive the stirring shaft 17 to rotate, and when no wind exists, the bevel gear I21 and the bevel gear II25 are in a separated state, and the phenomenon that the fan 14 simultaneously drives parts such as the blade 22 and the like which do not need to drive to reduce the rotation speed of the stirring shaft 17 or even rotate is avoided.
The Roots blower 30 is installed at the top of the reaction tank 1. The Roots blower 30 is higher than the liquid level in the reaction tank 1, and the sewage does not flow back into the Roots blower 30.

Claims (3)

1. The utility model provides an oil field water injection system air feed oxygenation micro-oxidation device, includes reaction tank (1), its characterized in that: the upper part of the left side of the reaction box (1) is provided with a water inlet pipe (2), the upper part of the right side of the reaction box (1) is provided with a water outlet pipe (3), the right side of the water inlet pipe (2) is provided with an aeration plate I (4), the upper side of the aeration plate I (4) is connected with the top plate of the reaction box (1), an aisle is reserved between the lower side of the aeration plate I (4) and the bottom plate of the reaction box (1), the lower side of the aeration plate II (5) is connected with the bottom plate of the reaction box (1), an aisle is reserved between the upper side of the aeration plate I (4) and the top plate of the reaction box (1), the aeration plate I (4) and the aeration plate II (5) are both provided with pipeline connection Roots fans (30), the aeration heads (6) are uniformly distributed on the two sides of the aeration plate I (4) and the aeration plate II (5), the right side of the aeration plate II (5) is provided with a partition plate I (7), a partition II (8) and a partition III (9), the upper side of the partition I (7) and the partition III (9) are connected with the bottom plate (1) and the upper side of the reaction box (1), the upper side of the aisle is reserved between the partition III (9) and the upper side of the reaction box (1) is reserved, the top opening of the reaction box (1) is connected with a conical tube (10) with the upper diameter reduced, the upper part of the conical tube (10) is connected with a ventilation tube (11), the upper part of the ventilation tube (11) is connected with a mounting plate (13) through a support column (12), the mounting plate (13) is connected with a driving shaft (15) through a bearing group, a fan (14) is arranged at the bottom of the driving shaft (15), the fan (14) is positioned in the ventilation tube (11), the upper part of the driving shaft (15) is fixedly connected with a belt pulley I (16), the belt pulley I (16) is connected with a belt pulley II (24) through a belt transmission, the belt pulley II (24) is connected with a stirring shaft (17) through a gear transmission, the stirring shaft (17) is arranged at the top of the reaction box (1) through a bearing group, the stirring shaft (17) downwards stretches into a part of the reaction box (1) to be provided with a stirring paddle (18), and the stirring paddle (18) is positioned between a baffle I (7) and a baffle II (8);
the outside of the stirring shaft (17) is provided with a supporting pipe (19) which is connected to the top of the reaction box (1), the top flange of the supporting pipe (19) is connected with a base (31), the base (31) is connected with a gear box (20) through a bearing and a check ring, the stirring shaft (17) upwards stretches into the gear box (20) to be fixedly connected with a bevel gear I (21), the bevel gear I (21) is meshed and connected with a bevel gear II (25) at an angle of 90 degrees, the bevel gear II (25) is fixedly connected with a wind shaft (26), the wind shaft (26) is connected with the gear box (20) through a bearing group, the wind shaft (26) stretches out of a part of the outside of the gear box (20) to be fixedly connected with a shaft sleeve (29), blades (22) which are uniformly distributed are arranged on the shaft sleeve (29) at the reverse position of the blades (22), and a tail rudder (23) is arranged on the gear box (20);
the wind power shaft (26) is connected with the sliding sleeve (28) through the bearing group, the sliding sleeve (28) is connected with the gear box (20) in a clearance fit way, a spring (27) is arranged between the inner side of the sliding sleeve (28) and the gear box (20), a stop block is fixedly connected with the gear box (20) outside the sliding sleeve (28), when no external force exists, the bevel gear I (21) and the bevel gear II (25) are in a separated state, and after the spring (27) is compressed, the bevel gear I (21) and the bevel gear II (25) are in a meshed state.
2. The gas supply oxygenation micro-oxidation device of an oilfield water injection system according to claim 1, wherein: an overrunning clutch is arranged in the belt pulley II (24) and is connected with the stirring shaft (17) through gear transmission.
3. The gas supply oxygenation micro-oxidation device of an oilfield water injection system according to claim 1, wherein: the Roots blower (30) is arranged at the top of the reaction box (1).
CN202111524895.5A 2021-12-14 2021-12-14 Air supply oxygenation micro-oxidation device of oilfield water injection system Active CN114180704B (en)

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Publication number Priority date Publication date Assignee Title
CN114853189B (en) * 2022-04-22 2023-06-16 北京华宇辉煌生态环保科技股份有限公司 Water treatment device utilizing gravity fall oxygenation
CN114939359B (en) * 2022-05-31 2023-10-20 福建大丰收灌溉科技有限公司 Water and fertilizer mixing arrangement with adjustable proportion
CN116199347A (en) * 2023-04-18 2023-06-02 董金花 Biological membrane wastewater treatment reactor and treatment method
CN117401824B (en) * 2023-12-14 2024-02-27 四川省生态环境科学研究院 Energy-saving sewage treatment device in alpine region

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Publication number Priority date Publication date Assignee Title
CN208603815U (en) * 2018-05-21 2019-03-15 天津市碧水源环境科技有限公司 A kind of highly integrated sewage treatment aerator of rural area integration
CN214571069U (en) * 2021-04-01 2021-11-02 陈洪超 Environment-friendly water treatment aeration device

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JP5700029B2 (en) * 2012-12-11 2015-04-15 住友金属鉱山株式会社 Method and apparatus for treating poor liquid containing hydrogen sulfide

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN208603815U (en) * 2018-05-21 2019-03-15 天津市碧水源环境科技有限公司 A kind of highly integrated sewage treatment aerator of rural area integration
CN214571069U (en) * 2021-04-01 2021-11-02 陈洪超 Environment-friendly water treatment aeration device

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