CN218665557U

CN218665557U - Aeration tank water curtain foam-resisting device

Info

Publication number: CN218665557U
Application number: CN202222832558.9U
Authority: CN
Inventors: 郝宗鹏; 王建军; 陈志勇; 罗京胜
Original assignee: Huadian Qingdao Power Generation Co ltd
Current assignee: Huadian Qingdao Power Generation Co ltd
Priority date: 2022-10-26
Filing date: 2022-10-26
Publication date: 2023-03-21
Anticipated expiration: 2032-10-26

Abstract

The utility model relates to an aeration tank water curtain foam-resisting device, which comprises an aeration tank, wherein a plurality of water drainage grooves are arranged at the top of an overflow wall of the aeration tank, the water drained by the water drainage grooves is converged into the water drainage tank, and the water outlet end of the water drainage tank is connected with the inlet of a water drainage tunnel; a water bearing and flow guiding platform for forming a water curtain to prevent foam from entering a drainage tunnel from the drainage pool is arranged above the water outlet end of the drainage pool, and the water bearing and flow guiding platform comprises a water bearing plate arranged horizontally and a flow guiding mechanism arranged at the water outlet end of the water bearing plate; the water inlet end of the water bearing plate is communicated with a water drainage groove above the water outlet end of the water drainage pool, a water baffle is arranged on one side opposite to the water inlet end of the water bearing plate, and the water drainage of the water drainage groove changes the water flow direction by 90 degrees through the diversion mechanism. The utility model discloses simple structure, low cost can effectively block in the foam entering drainage tunnel of drainage pond.

Description

Aeration tank water curtain foam-resisting device

Technical Field

The utility model relates to a sea water desulfurization technical field especially relates to aeration tank water curtain foam blocking device.

Background

The seawater desulfurization process is a desulfurization method for removing sulfur dioxide in flue gas by using the alkalinity of seawater. In the desulfurization absorption tower, a large amount of seawater is sprayed and washed to enter the coal-fired flue gas in the absorption tower, sulfur dioxide in the flue gas is absorbed and removed by the seawater, and the purified flue gas is demisted by a demister, heated by a flue gas heat exchanger and then discharged. Mixing the seawater after absorbing sulfur dioxide with a large amount of non-desulfurized seawater, and aerating in an aeration tank to ensure SO3 in the seawater ^2- Is oxidized to stable SO4 ^2- And the pH value and COD of the seawater are adjusted to reach the discharge standard and then discharged to the sea.

The heat-engine plant adopts the seawater desulfurization technology, can use local materials and save resources, reduces energy consumption, but the seawater desulfurization aeration tank operation circulating water discharge can produce a large amount of foams, and when the seawater is at low tide level, a large amount of foams can flow into the sea along with the drainage tunnel. The foam contains a large amount of harmful substances such as algae, harmful effects on marine ecology can be caused when the foam flows into the sea, and visual pollution can be caused to offshore environment by a large amount of foam floating objects, so that the problem brings great negative effects to comprehensive environment-friendly work.

SUMMERY OF THE UTILITY MODEL

The utility model provides a water curtain foam blocking device of an aeration tank aiming at the defects of the prior art.

The utility model is realized by the following technical proposal, provides an aeration tank water curtain foam-resisting device, which comprises an aeration tank, wherein a plurality of water drainage grooves are arranged at the top of an overflow wall of the aeration tank, the water drained by the water drainage grooves is converged into a water drainage tank, and the water outlet end of the water drainage tank is connected with the inlet of a water drainage tunnel; a water bearing and flow guiding platform for forming a water curtain to prevent foam from entering a drainage tunnel from the drainage pool is arranged above the water outlet end of the drainage pool, and the water bearing and flow guiding platform comprises a water bearing plate arranged horizontally and a flow guiding mechanism arranged at the water outlet end of the water bearing plate; the water inlet end of the water bearing plate is communicated with a water drainage groove above the water outlet end of the water drainage pool, a water baffle is arranged on one side opposite to the water inlet end of the water bearing plate, and the water drainage direction of the water drainage groove is changed by 90 degrees through the diversion mechanism.

Preferably, the diversion mechanism comprises a plurality of diversion plates, and the bottoms of the diversion plates are in contact with the water bearing plate to divide the water outlet end of the water bearing plate into a plurality of flow channels.

Preferably, each splitter plate comprises an arc-shaped section and a straight section, and the straight section of the splitter plate from the near to the far away from the water inlet end of the water bearing plate is gradually lengthened. Therefore, the water flow in each flow channel can be ensured to be uniform, and a water curtain is formed below the water outlet end of the water bearing plate.

Preferably, the top of the splitter plate is fixedly mounted on a mounting bracket, which comprises two mounting plates arranged at an angle.

Preferably, the angle between the two mounting plates is 20-30 °.

Preferably, one end of each of the two mounting plates is fixed with the overflow wall of the aeration tank, and the other end of each of the two mounting plates is fixed with the water baffle.

Preferably, in order to further ensure that the water flow in each flow channel is uniform, a water distributor is arranged on the inner side of the water outlet end of the water bearing plate and is used for dispersing and guiding part of the water flow into the flow channel close to one side of the water baffle plate, the water distributor comprises a water guide plate vertically fixed with the water baffle plate, and the bottom of the water guide plate is in contact with the water bearing plate, so that a water guide groove is formed between the water guide plate and the inner side of the wall body.

Preferably, the fixed plate is fixedly connected to the wall body, the water guide plate is connected with the fixed plate through a plurality of reinforcing ribs, and one end, close to the water baffle plate, of the water guide plate is lower than the other end of the water guide plate, so that the water inlet end of the water guide groove is higher than the water outlet end. The water flow flows out from the water outlet end of the water chute to the flow channel at one side close to the water baffle.

Aeration tank is through each water drainage tank drainage, and the water drainage tank that water drainage tank goes out water end top changes the rivers direction and goes out water end below formation water curtain at the board that holds water through holding water conservancy diversion platform, stops the showy foam of drainage tank internal surface, avoids getting into the drainage tunnel.

The utility model has the advantages that:

1. the utility model discloses simple structure, low cost, make full use of the original water drainage tank's of aeration tank structural feature, convenient the utility model discloses implement the installation.

2. Can effectively block that the foam in the drainage pond gets into in the drainage tunnel, avoid the foam to flow into harmful effects and the visual pollution that the sea caused to the marine ecology.

Drawings

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic view of the water flow direction of the water bearing and guiding platform of the utility model;

FIG. 4 is a schematic diagram of the foam-suppressing mechanism of the present invention;

shown in the figure:

1. aeration tank, 2, overflow wall, 3, water drainage tank, 4, water drainage tank, 5, drainage tunnel, 6, water-bearing plate, 7, breakwater, 8, flow divider, 9, runner, 10, water curtain, 11, foam, 12, mounting panel, 13, water guide plate, 14, fixed plate, 15, strengthening rib.

Detailed Description

In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.

As shown in fig. 1, 2, 3, 4, the utility model discloses an aeration tank 1 is equipped with a plurality of water drainage tank 3 at 2 tops of aeration tank 1 overflow wall, and a plurality of water drainage tank 3 drainage converge into water drainage tank 4, and water drainage tank 4 goes out water end and 5 entry connections in drainage tunnel, goes out water end top at water drainage tank 4 and sets up the water diversion platform that holds that is used for forming water curtain 10 and prevents foam 11 to get into drainage tunnel 5 by water drainage tank 4, the water diversion platform that holds includes the water board 6 that holds that the level set up and installs the water diversion mechanism who goes out the water end at water board 6.

As shown in fig. 2 and 3, the water inlet end of the water bearing plate 6 is communicated with the water drainage tank 3 above the water outlet end of the water drainage pool 4, the water baffle 7 is arranged on one side opposite to the water inlet end of the water bearing plate 6, and the water drainage direction of the water drainage tank 3 is changed by 90 degrees through the diversion mechanism. The water guide mechanism comprises a plurality of flow distribution plates 8, and the bottoms of the flow distribution plates 8 are in contact with the water bearing plate 6 to divide the water outlet end of the water bearing plate 6 into a plurality of flow channels 9. Each flow distribution plate 8 comprises an arc-shaped section and a straight section, and the straight section of the flow distribution plate 8 from the near to the far away from the water inlet end of the water bearing plate 6 is gradually lengthened, so that the uniform water flow in each flow channel 9 can be ensured, and a water curtain 10 is formed below the water outlet end of the water bearing plate 6. The top of the splitter plate 8 is fixedly mounted on a mounting frame, which comprises two angularly disposed mounting plates 12, in this embodiment, the angle formed between the two mounting plates 12 is 20-30 °. One end of each of the two mounting plates 12 is fixed with the overflow wall 2 of the aeration tank 1, and the other end is fixed with the water baffle 7.

In order to further ensure that the water flow in each flow channel 9 is uniform, a water distributor is arranged on the inner side of the water outlet end of the water bearing plate 6 and is used for dispersing and guiding part of the water flow into the flow channel 9 close to one side of the water baffle plate 7, the water distributor comprises a water guide plate 13 vertically fixed with the water baffle plate 7, and the bottom of the water guide plate 13 is in contact with the water bearing plate 6, so that a water guide groove is formed between the water guide plate 13 and the inner side of the wall body. A fixing plate 14 is fixedly connected to the wall, and the water guide plate 13 is connected to the fixing plate 14 through a plurality of reinforcing ribs 15. One end of the water deflector 13 close to the water deflector 7 is lower than the other end, so that the water inlet end of the water deflector is higher than the water outlet end, and water flows out of the water outlet end of the water deflector into the flow channel 9 close to one side of the water deflector 7.

Aeration tank 1 is through the drainage of each water drainage tank 3, and water drainage tank 4 goes out the water drainage tank 3 of water end top and changes the rivers direction and go out water end below formation water curtain 10 at water-retaining plate 6 through holding water conservancy diversion platform, blocks water drainage tank 4 internal water surface showy foam 11, avoids getting into drainage tunnel 5.

The utility model has simple structure and low cost, makes full use of the structural characteristics of the original water drainage tank 3 of the aeration tank 1, and is convenient for implementation and installation; the foam 11 in the drainage pool 4 can be effectively prevented from entering the drainage tunnel 5, and the harmful influence and visual pollution on marine ecology caused by sea inflow are avoided; from 2022 years 5 months, install the utility model discloses afterwards additional above the 1 drainage channel of No. 1 quick-witted seawater desulfurization aeration tank, played good anti-foam effect.

Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should not depart from the spirit of the present invention, and shall also belong to the protection scope of the claims of the present invention.

Claims

1. Aeration tank water curtain hinders foam device, its characterized in that: the aeration tank is characterized by comprising an aeration tank, wherein a plurality of water drainage grooves are formed in the top of an overflow wall of the aeration tank, the water drained by the water drainage grooves is converged into the water drainage tank, and the water outlet end of the water drainage tank is connected with an inlet of a water drainage tunnel; a water bearing and flow guiding platform for forming a water curtain to prevent foam from entering a drainage tunnel from the drainage pool is arranged above the water outlet end of the drainage pool, and the water bearing and flow guiding platform comprises a water bearing plate arranged horizontally and a flow guiding mechanism arranged at the water outlet end of the water bearing plate; the water inlet end of the water bearing plate is communicated with a water drainage groove above the water outlet end of the water drainage pool, a water baffle is arranged on one side opposite to the water inlet end of the water bearing plate, and the water drainage of the water drainage groove changes the water flow direction by 90 degrees through the diversion mechanism.

2. The aeration tank water curtain anti-foaming device of claim 1, wherein: the diversion mechanism comprises a plurality of diversion plates, and the bottoms of the diversion plates are in contact with the water bearing plate to divide the water outlet end of the water bearing plate into a plurality of flow channels.

3. The aeration tank water curtain froth suppression device of claim 2, wherein: each splitter plate comprises an arc-shaped section and a straight section, and the straight section of the splitter plate, which is far away from the water inlet end of the water bearing plate, is gradually lengthened.

4. The aeration tank water curtain froth suppression device of claim 2, wherein: the top of the splitter plate is fixedly arranged on a mounting frame, and the mounting frame comprises two mounting plates arranged at an angle.

5. The aeration tank water curtain froth suppression device of claim 4, wherein: the angle formed between the two mounting plates is 20-30 degrees.

6. The aeration tank water curtain anti-foaming device of claim 4, characterized in that: one end of each of the two mounting plates is fixed with the overflow wall of the aeration tank, and the other end of each of the two mounting plates is fixed with the water baffle.

7. The aeration tank water curtain froth suppression device of claim 1, wherein: the inner side of the water outlet end of the water bearing plate is provided with a water guide mechanism, the water guide mechanism is used for dispersing and guiding partial water flow into a flow channel close to one side of the water baffle plate, the water guide mechanism comprises a water guide plate vertically fixed with the water baffle plate, and the bottom of the water guide plate is in contact with the water bearing plate, so that a water guide groove is formed between the water guide plate and the inner side of the wall body.

8. The aeration tank water curtain anti-foaming device of claim 7, wherein: the fixing plate is fixedly connected to the wall body, the water guide plate is connected with the fixing plate through a plurality of reinforcing ribs, one end, close to the water baffle plate, of the water guide plate is lower than the other end, and the water inlet end of the water guide groove is higher than the water outlet end.