CN110563169B

CN110563169B - Micro-disturbance aeration device for river ecological restoration

Info

Publication number: CN110563169B
Application number: CN201910782331.8A
Authority: CN
Inventors: 魏东洋; 安坤; 郭志鹏; 白洁琼; 王龙乐; 蒋晓璐; 黄春荣; 贺涛
Original assignee: South China Institute of Environmental Science of Ministry of Ecology and Environment
Current assignee: South China Institute of Environmental Science of Ministry of Ecology and Environment
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2021-08-10
Anticipated expiration: 2039-08-23
Also published as: CN110563169A

Abstract

The invention discloses a micro-disturbance aeration device for river ecological restoration, which comprises a floating disc, wherein the floating disc is connected with a control chamber through a connecting piece, the two opposite sides of the control chamber are respectively provided with an air inlet and an air outlet, one end of the control chamber at the air outlet is connected with an aeration plate, one side of the aeration plate, which is back to the control chamber, is provided with a plurality of aeration heads, the control chamber controls the aeration rate through rotating a control wheel, the micro-disturbance working effect can be achieved, the aeration effect is better, and the micro-disturbance aeration device is worthy of popularization and use.

Description

Micro-disturbance aeration device for river ecological restoration

Technical Field

The invention belongs to the technical field of river ecological restoration, and particularly relates to a micro-disturbance aeration device for river ecological restoration.

Background

Aeration means artificially introducing air into water through appropriate equipment to achieve the intended purpose. The aeration not only makes the liquid in the pool contact with the air for oxygenation, but also accelerates the transfer of oxygen in the air to the liquid, thereby completing the purpose of oxygenation; in addition, the aeration also prevents the suspension body in the water from sinking, and strengthens the contact between organic matters in the water and microorganisms and dissolved oxygen, thereby ensuring the oxidative decomposition of the microorganisms in the tank on the organic matters in the sewage under the condition of sufficient dissolved oxygen, and the quality of the aeration device not only influences the biochemical treatment effect of the sewage, but also directly influences the occupied area of a treatment field, the investment and the operating cost.

Present aeration equipment lets in the air to the aquatic through the air pump mainly, can not control aeration rate according to the pollution degree of quality of water, can cause adverse effect to quality of water on the contrary, the most formula as an organic whole of present aeration equipment moreover, it is all more inconvenient with the installation to dismantle, and aeration equipment can often be blockked up to the filth of aquatic, and the protection network of installation can not prevent that all filths from not blockking up equipment to influenced the speed of aeration, required regular dismantlement clearance.

Disclosure of Invention

Aiming at the technical problems, the invention provides a micro-disturbance aeration device for river channel ecological restoration.

The technical scheme of the invention is as follows: a micro-disturbance aeration device for river ecological restoration consists of a floating plate, and a power device, a control device and an aeration device which are arranged on the floating plate;

a rotary table is embedded in the floating disc, and the center parts of the floating disc and the rotary table are overlapped;

the power device comprises a motor box and an air pump box; the motor box is arranged in the center of the bottom surface of the floating disc and is internally provided with a motor; the motor is rotatably connected with a driven rod through a transmission mechanism; the upper end of the driven rod is fixedly connected to a vertical line at the center of the bottom surface of the turntable, and the lower end of the driven rod is connected with an air pump pipe head; an air pump is arranged in the air pump box and connected with an air pump pipe head, a plurality of air inlet pipes are horizontally connected to the air pump pipe head along the axial direction, and the other end of each air inlet pipe is connected to a control device;

the aeration device comprises an aeration plate, and the aeration plate is connected with the control device through an air outlet pipe;

the control device comprises a main control wheel and a plurality of control chambers; the main control wheel is rotatably connected to the central part of the top surface of the floating disc through a bearing, a gear wheel below the main control wheel is meshed with a plurality of pinions, and each pinion drives a ball body provided with a through hole to rotate in the control chamber through a connecting rod so as to adjust the size of a communication surface between the through hole and the air inlet pipe and control the aeration amount.

Further, be provided with a plurality of slides on the frisbee, sliding connection has a plurality of T shape poles on every slide, the control room passes through the T venturi tube and is connected with the slide. The stability of the control chamber when the air pump pipe head rotates is ensured.

Further, the draw-in groove has been seted up to the control room internal surface, it has the cushion to inlay in the draw-in groove, the cushion rotates with the spheroid to be connected, prevents that the spheroid from rocking in the control room.

Further, be provided with a plurality of aeration heads on the aeration board and both ends all are provided with the spout about and, the aeration board has the protection casing through spout sliding connection, prevents that the foreign matter from blockking up the aeration head.

Further, aeration board and outlet duct pass through block mechanism block and connect, block mechanism includes: the pipe, the slidable mounting of fixed mounting on the aeration board are at the inside slide rail of pipe, with slide rail sliding connection's ring channel and fixed mounting just are located the slider of ring channel about the outlet duct right-hand member, conveniently dismantle the aeration board, make things convenient for the maintenance and the clearance in later stage.

Further, the transmission mechanism includes: install the high-speed wheel on the motor, with the gear reduction wheel that the high-speed wheel meshing is connected, the gear reduction suit is on the driven lever, prevents to rotate too fast and leads to damaging equipment.

Furthermore, a plurality of rows of stainless steel balls are arranged in the slide way, so that the friction force between the T-shaped rod and the slide way is reduced, and the service life of the device is prolonged.

Furthermore, an anti-slip sleeve is sleeved on the main control wheel, so that inconvenience caused by hand slip when the control wheel is rotated is avoided.

Compared with the prior art, the invention has the beneficial effects that:

(1) the control chamber and the floating disc are connected through the connecting piece, so that the control chamber is convenient to mount and dismount, if the control chamber is blocked by dirt in water, the control chamber is dismounted and convenient to clean, the control chamber and the aeration plate are connected through the clamping mechanism, the protective cover is prevented from completely preventing the dirt from entering the device, and the aeration plate is convenient to dismount for washing and overhauling.

(2) According to the invention, the aeration quantity can be controlled by adjusting the size of the communication surface between the through hole and the air inlet pipe, the aeration speed is controlled, and the aeration quantity and the aeration speed are adjusted according to the actual oxygen demand, so that ecological restoration of the river channel can be realized in the environments with different water pollution degrees, and the micro-disturbance working effect is achieved.

(3) The motor drives the control chamber and the aeration plate to rotate around the air pump pipe head, so that the aeration effect is more uniform and the efficiency is higher.

Drawings

FIG. 1 is a front view of the internal structure of the present invention;

FIG. 2 is a top view of an outer structure of embodiment 2 of the present invention;

FIG. 3 is a top view of an outer structure of embodiment 1 of the present invention;

FIG. 4 is a front view of the structure of the engagement mechanism of the present invention;

FIG. 5 is a front view of a schematic of the structure of the inventive slide;

the device comprises a floating disc 1, a floating disc 11, a rotary disc 12, a slide rail 2, a control chamber 21, a ball body 22, a through hole 23, a cushion block 24, a clamping groove 25, an air inlet pipe 26, a pinion 27, a connecting rod 28, an air outlet pipe 29, a T-shaped rod 3, an aeration plate 31, an aeration head 32, a sliding groove 33, a protective cover 4, a clamping mechanism 41, a circular pipe 42, a sliding rail 43, an annular groove 44, a sliding block 5, a motor box 51, an air pump 52, a motor 53, a high-speed wheel 54, a speed reducing wheel 55, a driven rod 56, a bearing 57, a gear wheel 58, a total control wheel 59, a pipe head 510 and an air pump box.

Detailed Description

Example 1:

a micro-disturbance aeration device for river ecological restoration consists of a floating plate 1, and a power device, a control device and an aeration device which are arranged on the floating plate;

a rotary table 11 is embedded in the floating disc 1, and the center parts of the floating disc 1 and the rotary table 11 are overlapped;

the power device comprises a motor box 5 and an air pump box 510; the motor box 5 is arranged at the central part of the bottom surface of the floating disc 1 and is internally provided with a motor 52; the motor 52 is rotatably connected with a driven rod 55 through a transmission mechanism; the upper end of the driven rod 55 is fixedly connected to the vertical line of the center of the bottom surface of the turntable 11, and the lower end of the driven rod is connected with an air pump pipe head 59; an air pump 51 is arranged in the air pump box 510, the air pump 51 is connected with the air pump pipe head 59, two air inlet pipes 25 are horizontally connected to the air pump pipe head 59 along the axial direction, and the other end of each air inlet pipe 25 is connected with a control device;

the aeration device comprises an aeration plate 3, and the aeration plate 3 is connected with the control device through an air outlet pipe 28;

said control means comprise a master control wheel 58 and two control chambers 2; the main control wheel 58 is rotatably connected to the central portion of the top surface of the floating plate 1 through a bearing 56, and a large gear 57 below the main control wheel 58 is engaged with two small gears 26, each small gear 26 drives a ball 21 provided with a through hole 22 to rotate in the control chamber 2 through a connecting rod 27, so as to adjust the size of a communication surface between the through hole 22 and the air inlet pipe 25 and control the aeration amount.

Be provided with a plurality of slides 12 on the floating plate 1, sliding connection has two pairs of T shape poles 29 on every slide 12, and the one end fixed connection control room 2 of T shape pole 29, when control room 2 used air pump tube head 52 as the center rotation, T shape pole 29 slided in slide 12, made the rotatory more steady of control room 2.

A clamping groove 24 is formed in the inner surface of the control chamber 2, a cushion block 23 is embedded in the clamping groove 24, the cushion block 23 is rotatably connected with the ball body 21, and when the ball body 21 rotates, the cushion block 23 plays a role of supporting the ball body 23, so that the ball body 23 cannot shake during rotation in the control chamber 2.

The upper end and the lower end of the aeration plate 3 are both provided with chutes 32, the aeration plate 3 is connected with a protective cover 33 through the chutes 32 in a sliding way, and foreign matters in a river channel of the equipment cannot block the aeration head 31 during aeration.

The aeration plate 3 and the air outlet pipe 28 are connected by a clamping mechanism 4 in a clamping way, and the clamping mechanism 4 comprises: the aeration plate comprises a circular tube 41 fixedly installed on the aeration plate 3, a sliding rail 42 slidably installed in the circular tube 41, an annular groove 43 slidably connected with the sliding rail 42, and a sliding block 44 fixedly installed above and below the right end of the air outlet pipe 28 and located in the annular groove 43, wherein when the sliding block 44 enters the annular groove 43 in the sliding rail 42, the aeration plate 3 and the air outlet pipe 28 are fixedly connected by rotating the sliding block 44.

The transmission mechanism includes: the high-speed wheel 53 is mounted on the motor 52, the speed reducing wheel 54 is meshed with the high-speed wheel 53, the speed reducing wheel 54 is sleeved on the driven rod 55, when the motor 52 rotates, the resistance of the device during rotation can be too large due to too high rotating speed, the service life of the device is influenced, and when the accelerating wheel 54 is additionally mounted, the aeration effect is better when the device rotates.

The slide way 12 is internally provided with a plurality of rows of stainless steel balls, and the T-shaped rod 29 is smooth and stable when sliding in the slide way 12.

The general control wheel 58 is sleeved with an anti-slip sleeve, so that when the general control wheel 58 is held by a hand, the general control wheel 58 cannot slip due to water stain on the general control wheel 58.

Example 2:

this example differs from example 1 in that: the air pump pipe head 59 is communicated with four air inlet pipes 25.

Example 3:

when the oxygen demand of the river channel is small, the device of the embodiment 1 is adopted, the periphery of the large gear 57 connected with the main control wheel 58 is meshed and connected with the two small gears 26, namely the air pump pipe head 59 is connected with the two control chambers 2, the slideway 12 is connected with the two pairs of T-shaped rods 29, after the motor 52 is turned on, the two control chambers 2 rotate and aerate by taking the air pump pipe head 59 as the center, the air pump 51 is turned on, the main control wheel 58 is adjusted, half of the through holes 22 of the ball 21 in the control chambers 2 are opposite to the air inlet pipe 25, and then the air inlet speed is slow and the aeration speed is also slow.

Example 4:

when the oxygen demand of the river channel is large, the device of the embodiment 2 is adopted, the periphery of a large gear 57 connected with a main control wheel 58 is meshed and connected with four small gears 26, namely, an air pump pipe head 59 is connected with four control chambers 2, a slideway 12 is connected with four pairs of T-shaped rods 29, after a motor 52 is turned on, the four control chambers 2 rotate to aerate by taking the air pump pipe head 59 as the center, an air pump 51 is turned on, the main control wheel 58 is adjusted, so that a through hole 22 of a ball 21 in the control chamber 2 is enabled to be completely opposite to an air inlet pipe 25, the air inlet speed is fastest, and the aeration speed is highest.

The working method of the embodiment comprises the following steps:

when the device works, the motor 52 and the air pump 51 are electrified to work, air enters the control chamber 2 from the air pump pipe head 59 through the air inlet pipe 25, the main control wheel 58 is rotated, the large gear 57 rotates, the large gear 57 drives the peripheral small gear 26 to rotate, the sphere 21 with the through hole 22 in the control chamber 2 rotates through the connecting rod 27, the air inlet speed is fastest when the through hole 22 is aligned with the air outlet pipe 28, the motor 52 and the air pump 51 work simultaneously, when the motor 52 rotates, the high-speed wheel 53 drives the speed reducing wheel 54 to rotate, so that the driven rod 55 sleeved in the speed reducing wheel 54 starts to rotate, the driven rod 55 is rotatably connected with the air pump pipe head 59, the air pump pipe head 59 is fixedly connected with the control chamber 2 through the air inlet pipe 25, the control chamber 2 rotates by taking the air pump pipe head 59 as a center, and the T-shaped rod 29 fixedly connected with the top of the control chamber 2 slides in the slide rail 12 on the floating plate 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A micro-disturbance aeration device for river ecological restoration is characterized by comprising a floating plate (1), and a power device, a control device and an aeration device which are arranged on the floating plate;

a rotary table (11) is embedded in the floating disc (1), and the center parts of the floating disc (1) and the rotary table (11) are overlapped;

the power device comprises a motor box (5) and an air pump box (510); the motor box (5) is arranged in the center of the bottom surface of the floating disc (1) and is internally provided with a motor (52); the motor (52) is rotationally connected with a driven rod (55) through a transmission mechanism; the upper end of the driven rod (55) is fixedly connected to a vertical line at the center of the bottom surface of the turntable (11), and the lower end of the driven rod is connected with an air pump pipe head (59); an air pump (51) is arranged in the air pump box (510), the air pump (51) is connected with an air pump pipe head (59), a plurality of air inlet pipes (25) are horizontally connected to the air pump pipe head (59) along the axial direction, and the other end of each air inlet pipe (25) is connected to a control device;

the aeration device comprises an aeration plate (3), and the aeration plate (3) is connected with the control device through an air outlet pipe (28);

the control device comprises a main control wheel (58) and a plurality of control chambers (2); the main control wheel (58) is rotatably connected to the center of the top surface of the floating disc (1) through a bearing (56), a large gear (57) below the main control wheel (58) is meshed with a plurality of small gears (26), and each small gear (26) drives a ball body (21) provided with a through hole (22) to rotate in the control chamber (2) through a connecting rod (27) so as to adjust the size of a communication surface between the through hole (22) and the air inlet pipe (25) and control the aeration amount.

2. The micro-disturbance aeration device for river ecological restoration according to claim 1, wherein a plurality of slideways (12) are arranged on the floating plate (1), a plurality of T-shaped rods (29) are slidably connected to each slideway (12), and the control chamber (2) is connected with the slideways (12) through T-shaped pipes.

3. The micro-disturbance aeration device for river channel ecological restoration according to claim 1, wherein a clamping groove (24) is formed in the inner wall of the control room (2), a cushion block (23) is embedded in the clamping groove (24), and the cushion block (23) is rotatably connected with the sphere (21).

4. The micro-disturbance aeration device for river ecological restoration according to claim 1, wherein a plurality of aeration heads (31) are arranged on the aeration plate (3), and the upper end and the lower end of the aeration plate are provided with chutes (32).

5. The micro-disturbance aeration device for river channel ecological restoration according to claim 1, wherein the aeration plate (3) and the air outlet pipe (28) are connected in a clamping manner through a clamping mechanism (4), and the clamping mechanism (4) comprises: the aeration device comprises a round pipe (41) fixedly installed on the aeration plate (3), a sliding rail (42) installed inside the round pipe (41) in a sliding mode, an annular groove (43) connected with the sliding rail (42) in a sliding mode, and a sliding block (44) fixedly installed above and below the right end of the air outlet pipe (28) and located in the annular groove (43).

6. The micro-disturbance aeration device for river course ecological restoration according to claim 1, wherein the transmission mechanism comprises: the speed reducer comprises a high-speed wheel (53) mounted on a motor (52), and a speed reducing wheel (54) meshed with the high-speed wheel (53), wherein the speed reducing wheel (54) is sleeved on a driven rod (55).

7. The micro-disturbance aeration device for river channel ecological restoration according to claim 1, wherein an anti-slip sleeve is sleeved on the main control wheel (58).

8. The micro-disturbance aeration device for river course ecological restoration according to claim 4, wherein the aeration plate (3) is slidably connected with a protective cover (33) through a chute (32).