CN215592789U

CN215592789U - Combined pool structure jointly built by pre-ozone contact pool and mechanical mixing pool

Info

Publication number: CN215592789U
Application number: CN202121456473.4U
Authority: CN
Inventors: 盛世豪; 韦文博; 张新欢; 沈恺乐; 罗念超
Original assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Current assignee: Shanghai Water Engineering Design and Research Institute Co Ltd
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2022-01-21
Anticipated expiration: 2031-06-29

Abstract

The utility model discloses a combined pool structure for jointly building a pre-ozone contact pool and a mechanical mixing pool, which comprises a combined pool body, wherein the inside of the combined pool body is partitioned into an ozone contact area, a water inlet and outlet area, a pipeline installation area and a mechanical mixing area which are sequentially arranged along the length direction; the inside of the ozone contact zone is divided into an ozone diffusion tank, a first ozone contact tank and a second ozone contact tank; the inside of the water inlet and outlet area is divided into a water inlet pool and a water outlet pool; the interior of the mechanical mixing zone is partitioned into a catchment channel, a first mechanical mixing basin, and a second mechanical mixing basin. The pre-ozone contact tank and the mechanical mixing tank are built together, and multiple tank walls are shared, so that the occupied area is obviously saved, long-distance connecting pipelines between the tanks are omitted, the head loss is reduced, the energy consumption is saved, the construction cost is reduced, and the one-stop operation management is facilitated.

Description

Combined pool structure jointly built by pre-ozone contact pool and mechanical mixing pool

Technical Field

The utility model relates to the technical field of water purification treatment tanks, in particular to a combined tank structure formed by jointly building a pre-ozone contact tank and a mechanical mixing tank.

Background

Under the current large background of water environment pollution aggravation and water quality aggravation, most water purification plants effectively decompose macromolecular pollutants and refractory substances in raw water through ozone oxidation in order to ensure the stability and treatment effect of subsequent purification treatment processes. In practical engineering, two monomers, namely a pre-ozone contact tank and a mechanical mixing tank, are often respectively built to realize respective functions. However, water treatment plants generally have a short land use, and separate construction usually results in a large floor area, a low land utilization rate, a high project investment, a high operation and maintenance cost, and the like.

To this end, the applicant has sought, through useful research and research, a solution to the above-mentioned problems, in the context of which the technical solutions to be described below have been made.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: aiming at the defects of the prior art, the combined tank structure which combines the pre-ozone contact tank and the mechanical mixing tank and is used for reducing the floor area, improving the land utilization rate, saving the engineering investment and reducing the operation and maintenance cost is provided.

The technical problem to be solved by the utility model can be realized by adopting the following technical scheme:

a modular tank structure for building a pre-ozonation contact tank with a mechanical mixing tank, comprising:

the combined pool comprises a combined pool body, wherein the inside of the combined pool body is partitioned into an ozone contact zone, a water inlet and outlet zone, a pipeline installation zone and a mechanical mixing zone which are sequentially arranged along the length direction; the inside of the ozone contact zone is divided into an ozone diffusion tank, a first ozone contact tank and a second ozone contact tank, at least one first through hole is formed in the wall of a shared tank between the ozone diffusion tank and the first ozone contact tank, and at least one second through hole is formed in the wall of the shared tank between the first ozone contact tank and the second ozone contact tank; the inside of the water inlet and outlet area is divided into a water inlet pool and a water outlet pool, a submerged weir for guiding the water in the water inlet pool into the ozone diffusion pool is constructed on the common pool wall between the water inlet pool and the ozone diffusion pool, and an overflow weir for guiding the water in the second ozone contact pool into the water outlet pool is constructed on the common pool wall between the water outlet pool and the second ozone contact pool; the interior of the mechanical mixing area is divided into a water collecting channel, a first mechanical mixing pool and a second mechanical mixing pool, at least one third through hole is formed in the shared pool wall between the water collecting channel and the first mechanical mixing pool, and at least one fourth through hole is formed in the shared pool wall between the water collecting channel and the second mechanical mixing pool;

one end of the water inlet pipe is connected to the wall of the water inlet pool and is communicated with the water inlet pool;

one end of the first water outlet pipe is connected to the wall of the first mechanical mixing pool and communicated with the first mechanical mixing pool, and one end of the second water outlet pipe is connected to the wall of the second mechanical mixing pool and communicated with the second mechanical mixing pool; and

and the connecting pipe is arranged in the pipeline installation area, one end of the connecting pipe is connected to the wall of the water outlet pool and communicated with the water outlet pool, and the other end of the connecting pipe is connected to the wall of the water collecting channel and communicated with the water collecting channel.

In a preferred embodiment of the present invention, the system further comprises an override pipe, one end of the override pipe is connected to the connection pipe, the other end of the override pipe is connected to the raw water entering the plant, a first stop valve is installed on the connection pipe between the override pipe and the water outlet tank, and a second stop valve is installed on the override pipe.

In a preferred embodiment of the present invention, an ozone diffuser is installed in the ozone diffusion tank.

Due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the pre-ozone contact tank and the mechanical mixing tank are jointly built, multiple tank walls are shared, the occupied area is remarkably saved, and the pre-ozone contact tank and the mechanical mixing tank are particularly suitable for modifying a water purification system in an original plant.

2. The utility model avoids long-distance connecting pipelines between the tanks, reduces the head loss and saves the energy consumption.

3. The utility model saves the length of the connecting pipeline and the consumption of building materials, reduces the construction cost and is beneficial to one-stop operation management.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

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

Fig. 2 is a sectional view taken along line a-a of fig. 1.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further explained below by combining the specific drawings.

Referring to fig. 1 to 2, a combined tank structure combining a pre-ozone contact tank and a mechanical mixing tank is shown, which comprises a combined tank body 100, a water inlet pipe 200,

water outlet pipes

300a and 300b, a connecting pipe 400 and a surpassing pipe 500.

The inside of the combined tank body 100 is partitioned into an ozone contact zone 110, a water inlet and outlet zone 120, a pipe installation zone 130 and a mechanical mixing zone 140 which are sequentially arranged along the length direction. The inside of the ozone contact zone 110 is divided into an ozone diffusion tank 111, a first ozone contact tank 112 and a second ozone contact tank 113, at least one first through hole (not shown in the figure) is formed in the shared tank wall between the ozone diffusion tank 111 and the first ozone contact tank 112, and the water in the ozone diffusion tank 111 flows into the first ozone contact tank 112 through the first through hole; at least one second through hole (not shown) is formed on the common tank wall between the first ozone contact tank 112 and the second ozone contact tank 113, and the water in the first ozone contact tank 112 flows into the second ozone contact tank 113 through the second through hole. An ozone diffuser 111a is installed in the ozone diffusion cell 111.

The water inlet and outlet area 120 is internally divided into a water inlet tank 121 and a water outlet tank 122, a submerged weir 150 is constructed on the shared tank wall between the water inlet tank 121 and the ozone diffusion tank 111, the submerged weir 150 is used for guiding the water in the water inlet tank 120 into the ozone diffusion tank 111, a overflow weir 160 is constructed on the shared tank wall between the water outlet tank 122 and the second ozone contact tank 113, and the overflow weir 160 is used for guiding the water in the second ozone contact tank 113 into the water outlet tank 122.

The mechanical mixing area 140 is divided into a water collecting channel 141, a first mechanical mixing pool 142 and a second mechanical mixing pool 143, the water collecting channel 141 is located between the first mechanical mixing pool 142 and the second mechanical mixing pool 143, at least one third through hole (not shown) is formed in a shared pool wall between the water collecting channel 141 and the first mechanical mixing pool 142, water in the water collecting channel 141 flows into the first mechanical mixing pool 142 through the third through hole, at least one fourth through hole (not shown) is formed in a shared pool wall between the water collecting channel 141 and the second mechanical mixing pool 143, and water in the water collecting channel 141 flows into the second mechanical mixing pool 143 through the fourth through hole.

One end of the water inlet pipe 200 is connected to the wall of the water inlet tank 121 and is communicated with the water inlet tank 121, and the other end thereof is connected with the raw water entering the field for guiding the raw water entering the field into the water inlet tank 121.

One end of the water outlet pipe 300a is connected to the wall of the first mechanical mixing tank 142 and is communicated with the first mechanical mixing tank 142, and the other end thereof is connected with the tank body of the next process, and is used for guiding the treated water body to the subsequent tank body. One end of the water outlet pipe 300b is connected to the wall of the second mechanical mixing tank 143 and is communicated with the second mechanical mixing tank 143, and the other end thereof is connected with the tank body of the next process, and is used for draining the treated water body into the subsequent tank body.

A connecting pipe 400 is installed in the pipe installation region 130, and has one end connected to the wall of the outlet tank 122 and communicated with the outlet tank 122, and the other end connected to the wall of the collecting channel 141 and communicated with the collecting channel 141, and is used for guiding the water in the outlet tank 122 to the collecting channel 141.

The overtaking pipe 500 has one end connected to the connection pipe 400 and the other end connected to the raw water supplied into the plant. A first stop valve 600a is installed in the connection pipe 400 between the overtaking pipe 500 and the outlet tank 122, and a second stop valve 600b is installed in the overtaking pipe 500. The utility model not only can well combine the ozone pretreatment and the mixing process of the water treatment plant tightly, but also can realize the transcendental function, namely, when the pre-ozone contact tank is overhauled, the first stop valve 600a is closed, the second stop valve 600b is opened, the raw water entering the field directly enters the first mechanical mixing tank 142 and the second mechanical mixing tank 143 through the water collecting channel 141, thereby being beneficial to one-stop operation management and improving the land utilization efficiency.

The utility model builds the pre-ozone contact tank and the mechanical mixing tank together, the tanks are separated by reinforced concrete walls, the surpassing pipes are arranged in a smaller space, and water flows in and out through the steel pipes between the reinforced concrete walls. The combined pool type saves space, shares a plurality of pool walls, and also omits long-distance connecting pipelines between pools.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A modular tank structure for building a pre-ozonation contact tank in combination with a mechanical mixing tank, comprising:

2. The combined tank structure for building up a pre-ozone contact tank and a mechanical mixing tank as claimed in claim 1, further comprising an over-running pipe, wherein one end of the over-running pipe is connected to the connecting pipe, the other end of the over-running pipe is connected to raw water entering the plant, a first stop valve is installed on the connecting pipe between the over-running pipe and the water outlet tank, and a second stop valve is installed on the over-running pipe.

3. The combined tank structure of the pre-ozone contact tank and the mechanical mixing tank as claimed in claim 1, wherein an ozone diffuser is installed in the ozone diffusion tank.