CN210384945U

CN210384945U - Multi-stage flocculation tank

Info

Publication number: CN210384945U
Application number: CN201921048302.0U
Authority: CN
Inventors: 胡纯政
Original assignee: Jiangsu Subei Environmental Protection Group Co Ltd
Current assignee: Jiangsu Subei Environmental Protection Group Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-04-24
Anticipated expiration: 2029-07-05

Abstract

The utility model relates to the field of sewage treatment, in particular to a multi-stage flocculation tank, which comprises a tank body, a gas conveying pipeline and a flocculating agent conveying pipeline, wherein a plurality of partition plates are arranged in the tank body to divide an internal cavity of the tank body into a plurality of flocculation cavities; the partition plate is provided with an overflow piece, the overflow piece and the partition plate form a sampling cavity, the partition plate is provided with a first overflow hole, and the overflow piece is provided with a second overflow hole; the gas conveying pipeline comprises a gas conveying main pipe and an auxiliary gas conveying part which are communicated, the auxiliary gas conveying part and the gas conveying main pipe are connected through a valve, and the auxiliary gas conveying part corresponds to the flocculation cavity one by one; the flocculating agent conveying pipeline comprises a flocculating agent conveying main pipe and an auxiliary conveying part which are communicated, the auxiliary conveying part and the flocculating agent conveying main pipe are connected through a valve, and the auxiliary conveying part corresponds to the flocculating cavity one to one. The utility model has the characteristics of use cost is low.

Description

Multi-stage flocculation tank

Technical Field

The utility model relates to a waste water treatment field, concretely relates to multistage flocculation basin.

Background

In the sewage treatment process, the water often contains tiny impurities, flocculation is a key sewage treatment step, and the effect of purifying sewage is achieved by generally putting a flocculating agent into the sewage to carry out flocculation treatment. The mixing degree of the flocculating agent and the sewage directly influences the flocculation effect, the temperature and the impurity properties of the water body also determine the flocculation time and the flocculation effect, and in the sewage flocculation process, the flocculation finishing time of different batches of water bodies needs to be confirmed on site by an operator according to the water body condition.

Application No.: 201820365654.8 discloses a flocculation tank, which comprises a stainless steel tank body, wherein an enamel layer is arranged on the side wall of the stainless steel tank body; the stainless steel tank body is provided with a water inlet and a water outlet; a partition plate is arranged at the bottom of the stainless steel tank body, and a flocculating agent conveying pipeline and a gas conveying pipeline are arranged below the partition plate; the flocculant conveying pipeline and the gas conveying pipeline are alternately arranged side by side; a first spray head for conveying the flocculating agent outwards is arranged on the flocculating agent conveying pipeline, and a second spray head for conveying air outwards is arranged on the air conveying pipeline; the baffle plate is provided with a yielding port corresponding to the first spray head and the second spray head, and the first spray head and the second spray head convey flocculating agent and air to the stainless steel tank body through the yielding port. Its different positions through at the flocculation basin set up sampling device to reach the purpose of monitoring degree of flocculation, but in same flocculation basin, in order to guarantee good flocculation effect, often can put in excessive flocculating agent, improved use cost.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects existing in the prior art, the utility model aims to provide a multistage flocculation tank with low use cost.

In order to achieve the above purpose, the utility model provides a following technical scheme: the device comprises a tank body, a gas conveying pipeline and a flocculating agent conveying pipeline, wherein a plurality of partition plates are arranged in the tank body to divide an internal cavity of the tank body into a plurality of flocculation cavities;

the partition plate is provided with an overflow piece, the overflow piece and the partition plate form a sampling cavity, the partition plate is provided with a first overflow hole, and the overflow piece is provided with a second overflow hole;

the gas conveying pipeline comprises a gas conveying main pipe and an auxiliary gas conveying part which are communicated, the auxiliary gas conveying part and the gas conveying main pipe are connected through a valve, and the auxiliary gas conveying part corresponds to the flocculation cavity one by one;

the flocculating agent conveying pipeline comprises a flocculating agent conveying main pipe and an auxiliary conveying part which are communicated, the auxiliary conveying part and the flocculating agent conveying main pipe are connected through a valve, and the auxiliary conveying part corresponds to the flocculating cavity one to one.

Furthermore, the auxiliary gas transmission piece comprises a plurality of gas transmission pipes, the auxiliary gas transmission piece comprises a plurality of conveying pipes, the conveying pipes and the gas transmission pipes are arranged in a staggered mode, and spray heads are arranged on the conveying pipes and the gas transmission pipes.

Furthermore, the overflow piece comprises a bottom plate and a side plate which are connected, the second overflow hole is formed in the side plate, and the overflow piece and the partition plate are integrally formed.

Further, the disposal distance between the second overflow hole and the ground is less than the vertical distance between the first overflow hole and the ground.

Furthermore, an electrode for emitting low-voltage pulse is arranged in the flocculation cavity.

Furthermore, a guide plate is arranged in the flocculation cavity to divide the flocculation cavity into S-shaped flow channels.

Contrast prior art not enough, the utility model provides a beneficial effect that technical scheme brought: when using, sewage gets into first flocculation chamber earlier, and through corresponding vice gas transmission spare and vice conveying part to this flocculation intracavity conveying gas and flocculating agent, thereby play the flocculation effect to the sewage of flocculation intracavity, and simultaneously, the supernatant can overflow to the sample chamber and overflow to next flocculation intracavity through the second overflow hole by the sample chamber by first overflow hole, operating personnel detects the composition of this liquid intracavity of getting, and adjust the discharge amount of air output and flocculating agent in next flocculation intracavity through the valve, consequently can effectually remove the impurity in the sewage after multistage flocculation, adopt the flocculating agent of different doses to different sewage simultaneously and make the use amount that can effectual saving flocculating agent, and the use cost is reduced.

Drawings

Fig. 1 is a schematic sectional view of the present invention.

Fig. 2 is the schematic structural diagram of the gas conveying pipeline and the flocculating agent conveying pipeline of the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for purposes of illustration and explanation only and are not intended to limit the invention.

It should be noted that these drawings are simplified schematic views, and the basic structure of the present invention is described only in a schematic manner, and therefore, only the configuration related to the present invention is shown.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The present invention is further described with reference to fig. 1-2.

A multi-stage flocculation tank comprises a tank body 1, a gas conveying pipeline 31 and a flocculating agent conveying pipeline 32, wherein a plurality of partition plates 11 are arranged in the tank body 1 to divide an internal cavity of the tank body 1 into a plurality of flocculation cavities;

the partition plate 1 is provided with an overflow part 2, the overflow part 2 and the partition plate 1 form a sampling cavity, the partition plate 1 is provided with a first overflow hole 221, and the overflow part 2 is provided with a second overflow hole 222;

the gas conveying pipeline 31 comprises a gas conveying main pipe 311 and an auxiliary gas conveying part 312 which are communicated, the auxiliary gas conveying part 312 is connected with the gas conveying main pipe 311 through a valve 33, and the auxiliary gas conveying part 312 corresponds to the flocculation cavity one by one;

the flocculant conveying pipeline 32 comprises a flocculant conveying main pipe 321 and an auxiliary conveying part 322 which are communicated, the auxiliary conveying part 322 is connected with the flocculant conveying main pipe 321 through a valve 33, and the auxiliary conveying part 322 corresponds to the flocculation cavities one by one; when using, sewage gets into first flocculation chamber earlier, and through corresponding vice gas transmission piece 312 and vice transport piece 322 to this flocculation intracavity conveying gas and flocculating agent, thereby play and play the flocculation effect to the sewage of flocculation intracavity, simultaneously, the supernatant can overflow to the sample chamber and overflow to next flocculation intracavity through second overflow hole 222 by the sample chamber by first overflow hole 221 overflow, operating personnel detects the composition of this liquid intracavity of getting, and adjust the discharge amount of air output and flocculating agent in the next flocculation intracavity through valve 33, consequently, impurity in the sewage can effectually be got rid of after multistage flocculation, simultaneously adopt the flocculating agent of different doses to different sewage to make the use amount that can effectual saving flocculating agent, reduce use cost.

Further, the auxiliary gas transmission piece 312 comprises a plurality of gas transmission pipes 313, the auxiliary gas transmission piece 322 comprises a plurality of conveying pipes 323, the conveying pipes 323 and the gas transmission pipes 313 are arranged in a staggered mode, and spray heads are arranged on the conveying pipes 323 and the gas transmission pipes 313, so that the flocculation effect on sewage is better, and the gas transmission pipes 313 and the conveying pipes 323 are arranged at the bottom of the flocculation cavity.

Further, the overflow member 2 comprises a bottom plate 21 and a side plate 22 which are connected, the second overflow hole 222 is arranged on the side plate 22, and the overflow member 2 and the partition plate 11 are integrally formed, so that the phenomenon that sewage leaks from the joint can be effectively avoided.

Further, the disposal distance between the second overflow hole 222 and the ground is smaller than the vertical distance between the first overflow hole 221 and the ground, so that when sewage flows into the sampling cavity from the first overflow hole 221, the sewage in the sampling cavity is impacted, the sewage in the sampling cavity is more uniform, and the sampling detection is more accurate.

Further, the flocculation intracavity is equipped with the electrode that is used for radiating low pressure pulse, radiates low pressure pulse between the electrode, and solution produces metal cation with higher speed under the effect of additional electric field to accelerate flocculating agent and metal cation's reaction, accelerate flocculation reaction's efficiency, the electrode can set up also can set up on the inner wall in flocculation chamber in the bottom in flocculation chamber.

Further, the flocculation intracavity is equipped with guide plate 12, separates into S form runner with the flocculation chamber, still is equipped with the vortex through-hole on guide plate 12, and consequently sewage is better with the contact effect of flocculating agent at the flow in-process, and is better to the flocculation effect of sewage.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and the skilled in the art can carry out the common changes and replacements within the technical solution of the present invention.

Claims

1. The utility model provides a multistage flocculation basin, includes cell body, gas conveying pipeline and flocculating agent conveying pipeline, its characterized in that: a plurality of partition plates are arranged in the tank body to divide the inner cavity of the tank body into a plurality of flocculation cavities;

the partition plate is provided with an overflow part, the overflow part and the partition plate form a sampling cavity, the partition plate is provided with a first overflow hole, and the overflow part is provided with a second overflow hole;

the flocculant conveying pipeline comprises a flocculant conveying main pipe and an auxiliary conveying part which are communicated, the auxiliary conveying part is connected with the flocculant conveying main pipe through a valve, and the auxiliary conveying part corresponds to the flocculation cavity one by one.

2. The multi-stage flocculation basin of claim 1, wherein: the auxiliary gas transmission piece comprises a plurality of gas transmission pipes, the auxiliary gas transmission piece comprises a plurality of conveying pipes, the conveying pipes and the gas transmission pipes are arranged in a staggered mode, and spray heads are arranged on the conveying pipes and the gas transmission pipes.

3. The multi-stage flocculation basin of claim 1, wherein: the overflow piece comprises a bottom plate and a side plate which are connected, the second overflow hole is formed in the side plate, and the overflow piece and the partition plate are integrally formed.

4. The multi-stage flocculation basin of claim 1, wherein: the disposal distance between the second overflow hole and the ground is less than the vertical distance between the first overflow hole and the ground.

5. The multi-stage flocculation basin of claim 1, wherein: and an electrode for emitting low-voltage pulse is arranged in the flocculation cavity.

6. The multi-stage flocculation basin of claim 1, wherein: the flocculation cavity is internally provided with a guide plate which divides the flocculation cavity into S-shaped flow passages.