CN211226576U

CN211226576U - Novel aeration device

Info

Publication number: CN211226576U
Application number: CN201921846842.3U
Authority: CN
Inventors: 朱成; 许元敏; 黄丽华; 徐琳; 彭昱昱
Original assignee: Nanjing Tianhe Water Environmental Technology Co ltd
Current assignee: Nanjing Tianhe Water Environmental Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-08-11
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a novel aeration equipment, including fixed frame, the bottom of fixed frame is equipped with the air transmission mechanism who is used for air delivery, and the top of fixed frame is equipped with the mixed aeration mechanism who is used for the mixed cutting aeration of aqueous vapor, forms the aeration chamber that supplies the water flow to flow between mixed aeration mechanism and the air transmission mechanism. The device can prevent sundries in the water body from entering the device to cause blockage.

Description

Novel aeration device

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to novel aeration equipment.

Background

The water body pollution is a global problem at present, and the seriously polluted river water body is always in an anoxic state and can blacken and become smelly after being anoxic for a long time. In order to purify and treat black and odorous water, the conventional water aeration purification technology enhances the self-purification capacity of a river channel by oxygenating the river channel to improve the water quality, so that the ecological environment of the river channel is restored. The quality of the aeration device not only influences the biochemical treatment effect of river sewage, but also directly influences the land occupation, investment, operation cost and the like of a treatment field. The conventional aeration methods comprise: microporous aeration, mechanical aeration, and jet aeration.

The devices commonly available in the market at present have certain defects respectively. The microporous aeration device is easy to block, the oxygenation capacity is reduced, the maintenance is inconvenient, the installation is complex, and the overall maintenance cost in the operation is higher. The mechanical aeration device has high installation cost and inconvenient maintenance. The small bubbles jetted out from the diffusion opening of the jet device are easy to be gathered into large bubbles, the large bubbles are difficult to be fused into liquid and rise to overflow the water surface, so that the air is not fully utilized, the oxygen transfer coefficient and the oxygenation capacity are reduced, and the long throat is favorable for gas-liquid mixing, but the aeration flow resistance is increased, and the power efficiency of jet aeration is reduced.

Aiming at the problems, the novel aeration device is simple to install, is not easy to block, and can mix air and water for multiple times and cut to improve the aeration efficiency.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a novel aeration device, which can prevent the blockage phenomenon caused in the sundries entering device in the water body.

In order to achieve the purpose, the utility model discloses a novel aeration equipment, including fixed frame, the bottom of fixed frame is equipped with the gas transmission mechanism who is used for air conveying, and the top of fixed frame is equipped with the mixed aeration mechanism who is used for the mixed cutting aeration of aqueous vapor, forms the aeration chamber that supplies water to flow through between mixed aeration mechanism and the gas transmission mechanism.

Further, mix aeration mechanism including setting up the drainage plate at fixed frame top, drainage plate length direction's one end is equipped with the guide plate, the bottom of the one end that the guide plate was kept away from to fixed frame is equipped with the bounding wall, the top of bounding wall is buckled to the direction of keeping away from the guide plate, fixed frame is equipped with the curb plate respectively along drainage plate length direction's both sides, the aeration chamber is by the guide plate, the drainage plate, the bounding wall, curb plate and gas transmission mechanism enclose to establish and form, form the water inlet of aeration chamber between guide plate and the gas transmission mechanism, form the delivery port of aeration chamber between bounding wall and the drainage plate, the height of water inlet is.

Furthermore, the projection of the guide plate on the horizontal plane is a structure protruding towards one side far away from the coaming.

Further, the bottom of guide plate sets up the water conservancy diversion structure that is the U type.

Further, the cross section of drainage plate is the wave structure, is equipped with screw mechanism in the groove on the drainage plate, and screw mechanism includes a plurality of cutting members that crisscross the distribution, and the cutting member extends the setting along the liquid stream direction.

Further, the one end that the drainage plate is close to the guide plate is equipped with the axis of rotation, and the drainage plate revolutes the axis of rotation and rotates, and the one end that the axis of rotation was kept away from to the drainage plate is equipped with the mounting, is equipped with the spout on the curb plate, and the mounting slides and can fix in the spout along the spout.

Furthermore, the air conveying mechanism comprises a plurality of ventilating pipes arranged at the bottom of the fixed frame, the ventilating pipes are connected to an external fan, a plurality of air outlets are formed in the ventilating pipes along the length direction of the ventilating pipes, and the air outlets are provided with air exposure pieces.

Further, the aeration piece adopts an aeration head, an aeration disc, an aeration pipe or a jet pipe.

Further, fixed frame includes underframe and link, and gas transmission mechanism sets up on the underframe, and fixed frame bottom is equipped with the mount.

Furthermore, the bottom of the fixing frame is provided with a floating platform.

The utility model discloses a novel aeration equipment aeration channel is the big passageway, has that the resistance is little, the operation is reliable and stable, the difficult characteristics that block up, can accomplish the maintenance-free, can be applicable to various quality of water operating modes to can cause blocking phenomenon in the debris access arrangement in the prevention water, air and water mix the cutting many times during the aeration, both prolong the aqueous vapor mixing time, can evenly refine the processing with the bubble again, improved the oxygen utilization ratio.

Drawings

The invention will be further described and illustrated with reference to the accompanying drawings.

FIG. 1 is a side view of a novel aeration apparatus according to a preferred embodiment of the present invention;

FIG. 2 is a top view of the novel aeration apparatus according to the preferred embodiment of the present invention;

FIG. 3 is a schematic view of the construction of a flow guide plate;

fig. 4 is a schematic structural view of the novel aeration device according to the preferred embodiment of the present invention during operation.

Reference numerals: 1. a breather pipe; 11. an aeration member; 2. a fixing frame; 21. a bottom frame; 22. a connecting frame; 23. a fixed mount; 31. a baffle; 32. a drainage plate; 33. enclosing plates; 34. a water inlet; 35. a water outlet; 361. a rotating shaft; 362. a fixing member; 363. a chute; 37. cutting the piece; 38. side plates.

Detailed Description

The technical solution of the present invention will be more clearly and completely explained by the description of the preferred embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1, the novel aeration device of the preferred embodiment of the present invention comprises a fixed frame 2, wherein the fixed frame 2 comprises a bottom frame 21 and a connecting frame 22, an air transportation mechanism for transporting air is arranged on the bottom frame 21, a mixed aeration mechanism for water-air mixed cutting aeration is arranged at the top of the fixed frame 2, and the fixed frame 2 connects the air transportation mechanism and the mixed aeration mechanism into a whole.

As shown in fig. 1 and 2, the air delivery mechanism includes a plurality of air pipes 1 disposed on the bottom frame 21, the air pipes 1 are connected to an external fan, the air pipes 1 are ventilated by the fan, a plurality of air outlets are disposed on the air pipes 1 along the length direction thereof, and the air outlets are provided with air exposure members 11. The aeration member 11 can be an aeration head, an aeration disc, an aeration pipe or a jet pipe, and can further increase the aerodynamic force entering the device, and the aeration head is used for injecting air in the embodiment.

As shown in fig. 1, the hybrid aeration apparatus includes a flow guide plate 32 disposed at the top of the frame 22, the flow guide plate 32 being angled with respect to the water flow. The guide plate 31 is arranged at one end of the drainage plate 32 in the length direction, and the bottom end of the guide plate 31 is set to be a U-shaped guide structure, so that a water body can enter the aeration cavity. The bottom of the end of the fixed frame 2 far away from the guide plate 31 is provided with a coaming 33, and the top end of the coaming 33 is bent towards the direction far away from the guide plate 31, which also plays a role in guiding water flow. The two sides of the fixed frame 2 along the length direction of the drainage plate 32 are respectively provided with a side plate 38, the guide plate 31, the drainage plate 32, the enclosing plate 33, the side plate 38 and the bottom frame 21 jointly enclose to form an aeration cavity, a water inlet 34 of the aeration cavity is formed between the guide plate 31 and the air conveying mechanism, a water outlet 35 of the aeration cavity is formed between the enclosing plate 33 and the drainage plate 32, and the height of the water inlet 34 is lower than that of the water outlet 35.

As shown in fig. 2, the baffle 31 has a shape projected on the horizontal plane to the side away from the shroud 33, and in this embodiment, a V-shape is used, and a U-shape is also used as a relatively easy embodiment. The structure can enable sundries in the water body to flow out from the outer side of the guide plate 31 and form a certain angle with water flow, and the sundries are prevented from entering the aeration cavity to influence the use effect.

As shown in FIG. 3, the cross section of the flow guide plate 32 is a wave-shaped structure, which is beneficial to the mixed flow of the water body containing bubbles in the wave-shaped grooves. The grooves on the drainage plate 32 are provided with a spiral mechanism, the spiral mechanism comprises a plurality of cutting pieces 37 which are distributed in a staggered manner, and the cutting pieces 37 extend along the liquid flow direction. The cutting piece 37 forms a spiral channel and forms a certain angle along the flow direction of the water body, so that the flow resistance of the water body can be reduced, the flow cutting of the water body is facilitated, the mixing degree of the water body and bubbles is increased, and a better aeration effect is achieved.

As shown in fig. 1, a rotating shaft is provided at one end of the drainage plate 32 close to the flow guide plate 31, the drainage plate 32 rotates around the rotating shaft, a fixing member 362 is provided at one end of the drainage plate 32 far from the rotating shaft, a sliding slot 363 is provided on the side plate 38, and the fixing member 362 slides along the sliding slot 363 and can be fixed in the sliding slot 363. The included angle between the drainage plate 32 and water flow can be changed by rotating the drainage plate, the included angle is larger under the condition that the water outlet 35 is positioned below the water surface, the flowing resistance of the bubble-containing water is smaller, the flowing speed is faster, the angle is smaller, the flowing resistance of the bubble-containing water is larger, the flowing speed is slower, and the retention time in the aeration cavity is longer.

As shown in fig. 1, the air delivery mechanism is disposed on the bottom frame 21, and the bottom of the fixed frame 2 is provided with a fixed frame 23. According to the requirement on the position of the aeration device in the using process, the device can be fixed in a water body to be treated, a gap is reserved between the water inlet 34 and the bottom of the fixing frame 23, sediment can be prevented from being sucked into the water inlet 34 when the device is operated, and a floating platform can be arranged at the bottom of the fixing frame 23, so that the device is in a floating state in the water body.

The specific implementation process comprises the following steps: referring to fig. 4, an external fan sprays air from the vent pipe 1 into the bottom of the aeration chamber through the aeration member 11 at a high speed, the air rapidly rises with a large momentum, the rising direction of the air is F2, negative pressure is generated inside the aeration chamber, a water body is driven to be sucked into the aeration chamber from the water inlet 34, and the entering direction of the water body is F1, so that one-time efficient mixing is realized; the air and water mixture rises to the drainage plate 32 at a high speed in the aeration cavity, and a violent swirling flow is generated through a spiral mechanism in the drainage plate 32, so that secondary high-efficiency mixing is realized; at the moment, the oxygen-enriched mixture is jetted from the device from the water outlet 35 at a high flow speed, the jetting direction of the water flow is F3, and the high-speed water flow prolongs the detention time of micro bubbles in water, so that the utilization rate of oxygen is greatly improved. And the angle of the flow guide plate 32 can be adjusted to control the fed air and water body to achieve the optimal mixing state and the optimal residence time.

The device performs aeration and oxygenation by forming forced high-speed water flow, integrates air and water body rotary mixing and cutting, fully utilizes kinetic energy, does not need to additionally increase stirring power, and generates uniform bubbles with high oxygen utilization rate. In addition, the aeration cavity is a large channel and is matched with a spiral structure, so that the device has the advantages of large service area, small resistance, stable and reliable operation, difficult blockage, long service life and the like.

The above detailed description merely describes the preferred embodiments of the present invention and does not limit the scope of the present invention. Without departing from the design concept and spirit scope of the present invention, the ordinary skilled in the art should belong to the protection scope of the present invention according to the present invention provides the text description and drawings to the various modifications, replacements and improvements made by the technical solution of the present invention. The scope of protection of the present invention is determined by the claims.

Claims

1. The utility model provides a novel aeration equipment, its characterized in that, includes fixed frame, the bottom of fixed frame is equipped with the air transmission mechanism who is used for air delivery, the top of fixed frame is equipped with the mixed aeration mechanism who is used for the mixed cutting aeration of aqueous vapor, form the aeration chamber that supplies water to flow through between mixed aeration mechanism and the air transmission mechanism.

2. The novel aeration device according to claim 1, wherein the hybrid aeration mechanism comprises a drainage plate arranged at the top of a fixed frame, a guide plate is arranged at one end of the drainage plate in the length direction, a surrounding plate is arranged at the bottom of the end of the fixed frame, which is far away from the guide plate, the top end of the surrounding plate is bent towards the direction far away from the guide plate, side plates are respectively arranged at two sides of the fixed frame along the length direction of the drainage plate, the aeration cavity is formed by the surrounding arrangement of the guide plate, the drainage plate, the surrounding plate, the side plates and the air transmission mechanism, a water inlet of the aeration cavity is formed between the guide plate and the air transmission mechanism, a water outlet of the aeration cavity is formed between the surrounding plate and the drainage plate.

3. The novel aeration device according to claim 2, wherein the projection of the guide plate in the horizontal plane is a structure protruding to the side far from the surrounding plate.

4. The novel aeration device according to claim 2, wherein the bottom end of the guide plate is provided with a U-shaped guide structure.

5. The novel aeration device according to claim 2, wherein the cross section of the drainage plate is a wave-shaped structure, and a spiral mechanism is arranged in the groove on the drainage plate and comprises a plurality of cutting pieces which are distributed in a staggered manner and extend along the liquid flow direction.

6. The novel aeration device according to claim 2, wherein a rotation shaft is provided at one end of the drainage plate close to the guide plate, the drainage plate rotates around the rotation shaft, a fixing member is provided at one end of the drainage plate far from the rotation shaft, a sliding groove is provided on the side plate, and the fixing member slides along the sliding groove and can be fixed in the sliding groove.

7. The novel aeration device according to claim 1, wherein the gas transmission mechanism comprises a plurality of vent pipes arranged at the bottom of the fixed frame, the vent pipes are connected with an external fan, a plurality of gas outlets are arranged on the vent pipes along the length direction of the vent pipes, and aeration members are arranged on the gas outlets.

8. The novel aeration device according to claim 7, wherein the aeration member is an aeration head, an aeration disc, an aeration pipe or a jet pipe.

9. The novel aeration device according to claim 1, wherein the fixing frame comprises a bottom frame and a connecting frame, the gas transmission mechanism is arranged on the bottom frame, and the bottom of the fixing frame is provided with a fixing frame.

10. The novel aeration device according to claim 9, wherein the bottom of the fixing frame is provided with a floating platform.