A type of folding ozone contact pool

By installing baffle and collection structures in the recirculating ozone contact tank, the problem of insufficient mixing between ozone bubbles and water is solved, mass transfer efficiency and ozone utilization are improved, ozone waste and environmental pollution are avoided, and environmentally friendly and energy-saving operation is achieved.

CN224942465UActive Publication Date: 2026-11-06FUJIAN ZHANGZHOU FUHUA WATER DEV CO LTD
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Patent Information

Application Number
CN202521736712.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-15
Publication Date
2026-11-06
Estimated Expiration
2035-08-15

AI Technical Summary

Technical Problem

The existing recirculating ozone contact tank has a laminar flow, which results in insufficient mixing of ozone bubbles and water, leading to low mass transfer efficiency, insufficient ozone utilization, and easy escape of undissolved ozone bubbles from the water surface, causing waste and potentially having a negative impact on the environment.

Method used

A baffle structure and a collection structure are installed in the contact pool. The baffle structure forms a zigzag water flow channel through staggered upper and lower baffles, which enhances the turbulent flow effect, and the serrated edges disrupt the laminar flow state. The collection structure captures undissolved ozone bubbles through U-shaped guide channels and arc-shaped guide plates, and guides them to the collector for recycling.

Benefits of technology

It improves the mixing efficiency of ozone and water, enhances the utilization rate of ozone, avoids ozone escape, and achieves environmentally friendly and energy-saving operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a zigzag ozone contact tank, comprising a main body of the contact tank. A baffle structure is fixedly installed within the inner cavity of the main body, and a collection structure is also fixedly installed within the inner cavity. The baffle structure includes an inlet, an outlet, an upper baffle, a serrated edge, and a lower baffle. With this baffle structure, water entering the main body of the contact tank from the inlet is first blocked by the upper baffle and flows downwards, then changes direction and flows upwards under the guidance of the lower baffle. Through multiple staggered upper and lower baffles, the water flow forms a continuous zigzag motion within the tank, significantly extending the water flow path and ozone contact time. The right-angled triangular teeth of the serrated edge generate local eddies when the water flows through, disrupting the laminar flow state and enhancing the turbulent effect, allowing ozone bubbles to mix more thoroughly with the water and improving mass transfer efficiency. Finally, the treated water is discharged through the outlet, completing the ozone contact process.
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Description

Technical Field

[0001] This utility model relates to the field of environmental protection equipment technology, specifically a zigzag ozone contact tank. Background Technology

[0002] Ozone possesses strong oxidizing power, with a redox potential of 2.07V, while chlorine and chlorine dioxide have potentials of 1.36V and 1.78V respectively. This demonstrates that ozone is a relatively strong oxidizing disinfectant for wastewater treatment. Currently, ozone sterilization is one of the effective methods for advanced wastewater treatment, capable of quickly and conveniently removing bacteria and cyanobacteria from water. Furthermore, ozone is converted into oxygen after the reaction, and its discharge into water does not produce toxic byproducts or chemical sludge. It can effectively remove colored wastewater and improve the biodegradability of recalcitrant substances. However, existing recirculating ozone contact tanks often exhibit laminar flow, resulting in insufficient mixing of ozone bubbles with water, leading to low mass transfer efficiency and inadequate ozone utilization. Moreover, undissolved ozone bubbles easily escape from the water surface, not only wasting ozone but also potentially causing negative impacts on the surrounding environment.

[0003] Announcement No. CN215798648U discloses a reversible ozone contact tank, which solves the technical problem of low ozone utilization efficiency and increased ozone treatment costs in existing technologies. It includes a tank body, a gas distribution pipe, and a return gas pipe; the tank body has an inlet trough and an outlet trough on opposite sides, and multiple upper baffles on the top and bottom of the tank body; the gas distribution pipe includes a main gas distribution pipe connected to an ozone generation device; the return gas pipe includes a main return gas pipe connected to an extraction device. This utility model, used for ozone treatment of wastewater, can effectively increase the reaction ratio of ozone and wastewater, thereby reducing the production and destruction costs of ozone and decreasing wastewater treatment expenses.

[0004] Regarding the aforementioned prior art, the inventors believe that it has the following shortcomings: While the recirculating ozone contact tank can effectively increase the reaction ratio between ozone and wastewater for ozone treatment of wastewater, thereby reducing the production and destruction costs of ozone and the expenses of wastewater treatment, the water flow in existing recirculating ozone contact tanks is mostly in a laminar flow state, resulting in insufficient mixing of ozone bubbles and water, leading to low mass transfer efficiency, insufficient ozone utilization, and undissolved ozone bubbles easily escaping from the water surface, which not only wastes ozone but may also have a negative impact on the surrounding environment. Utility Model Content

[0005] The purpose of this invention is to provide a zigzag ozone contact tank to address the problem mentioned in the background art. While existing zigzag ozone contact tanks can effectively increase the reaction ratio between ozone and wastewater for ozone treatment, thereby reducing ozone production and degradation costs and lowering wastewater treatment expenses, the water flow in these tanks is mostly laminar, resulting in insufficient mixing of ozone bubbles and water, leading to low mass transfer efficiency, inadequate ozone utilization, and easy escape of undissolved ozone bubbles from the water surface. This not only wastes ozone but may also have negative impacts on the surrounding environment.

[0006] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution: This utility model relates to a zigzag ozone contact tank, comprising a contact tank body: The inner cavity of the contact pool body is fixedly provided with a baffle structure, and the inner cavity of the contact pool body is fixedly provided with a collection structure. The baffle structure includes an inlet, an outlet, an upper baffle, a serrated edge, and a lower baffle; The inlet is located on one side of the contact pool body, and the outlet is located on the other side of the contact pool body. The upper baffle is fixedly connected to the upper side of the inner cavity of the contact pool body. The serrated edge is fixedly located on one side of the upper baffle. The lower baffle is fixedly connected to the bottom of the inner cavity of the contact pool body. The upper and lower baffles are arranged alternately to form a zigzag water flow channel.

[0007] Furthermore, there are multiple upper partitions evenly distributed and multiple lower partitions evenly distributed.

[0008] Furthermore, the serrated edge has a right-angled triangle shape, which enhances water flow turbulence.

[0009] Furthermore, the collection structure includes a flow channel, an arc-shaped flow guide plate, and a collector; The flow channel is fixedly opened at the top of the inner cavity of the contact pool body, the arc-shaped flow guide plate is fixedly connected to the inner cavity of the contact pool body, and the collector is fixedly connected to one side of the contact pool body.

[0010] Furthermore, the cross-section of the guide channel is U-shaped to guide the bubbles towards the collector.

[0011] Furthermore, the curvature of the arc-shaped guide plate matches the inner wall of the contact pool body to optimize water flow distribution.

[0012] This utility model has the following beneficial effects: I. This utility model incorporates a baffle structure. After water enters the contact tank from the inlet, it is first blocked by the upper baffle and flows downwards. Subsequently, guided by the lower baffle, it changes direction and flows upwards. Through multiple staggered upper and lower baffles, the water flow forms a continuous zigzag motion within the tank, significantly extending the water flow path and ozone contact time. The right-angled triangular teeth with serrated edges generate local eddies as the water flows through, disrupting the laminar flow state and enhancing the turbulent effect, allowing ozone bubbles to mix more thoroughly with the water and improving mass transfer efficiency. Finally, the treated water is discharged through the outlet, completing the ozone contact process.

[0013] Second, based on the aforementioned beneficial effects, a collection structure is also incorporated. Undissolved ozone bubbles in the water are captured by the U-shaped guide channel at the top as they rise. Due to the U-shaped cross-section of the channel and its inclined angle, the bubbles naturally gather and flow towards the collector along the water flow direction. The arc-shaped guide plate fits tightly against the inner wall of the pool, guiding the water flow smoothly and avoiding the formation of stagnant areas or short-circuiting phenomena, ensuring uniform water distribution. The collector centrally recovers the bubbles transported by the guide channel, which not only improves ozone utilization but also prevents bubbles from escaping into the atmosphere, achieving environmentally friendly and energy-saving operation. Attached Figure Description

[0014] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the overall design of this utility model; Figure 2 This is a schematic diagram of the inlet connection of the baffle structure of this utility model; Figure 3 This is a schematic diagram of the flow channel connection of the collection structure of this utility model.

[0016] The attached diagram lists the components represented by each number as follows: In the diagram: 1. Main body of the contact pool; 2. Baffle structure; 3. Collection structure; 21. Inlet; 22. Outlet; 23. Upper baffle; 24. Serrated edge; 25. Lower baffle; 31. Guide channel; 32. Arc-shaped guide plate; 33. Collector. Detailed Implementation

[0017] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0019] Please see Figure 1-3 As shown, this utility model is a zigzag ozone contact tank, including a contact tank body 1: A baffle structure 2 is fixedly provided in the inner cavity of the contact pool body 1, and a collection structure 3 is fixedly provided in the inner cavity of the contact pool body 1. The baffle structure 2 includes an inlet 21, an outlet 22, an upper baffle 23, a serrated edge 24, and a lower baffle 25; The inlet 21 is located on one side of the contact pool body 1, the outlet 22 is located on the other side of the contact pool body 1, the upper partition 23 is fixedly connected to the upper side of the inner cavity of the contact pool body 1, the serrated edge 24 is fixedly provided on one side of the upper partition 23, and the lower partition 25 is fixedly connected to the bottom of the inner cavity of the contact pool body 1.

[0020] The inlet 21 and outlet 22 of the baffle structure 2 are located on both sides of the pool body to ensure unidirectional water flow. The upper baffle 23 and the lower baffle 25 are made of stainless steel and are fixed to the inner cavity of the pool body by welding. The serrated edge 24 is fixed to the edge of the upper baffle 23 by bolts to form a water flow disturbance structure.

[0021] Multiple upper partitions 23 are evenly distributed, and multiple lower partitions 25 are evenly distributed.

[0022] The upper baffle 23 and the lower baffle 25 are arranged alternately to form a zigzag water flow channel.

[0023] The upper baffles 23 are evenly arranged along the length of the pool with the same spacing. The lower baffles 25 are also evenly arranged with the same spacing as the upper baffles 23 but staggered in position, ensuring that the water flow forms a continuous back-and-forth flow between the upper and lower baffles 25, thereby increasing the contact time between ozone and water.

[0024] The serrated edge 24 has right-angled triangles in shape, which enhances water flow turbulence.

[0025] The serrated edge 24 has right-angled triangles in shape. The sharp tooth design generates local eddies, which disrupt the laminar flow of water and improve ozone mass transfer efficiency.

[0026] Working principle: After the water flows into the contact tank body 1 through the inlet 21, it is first blocked by the upper baffle 23 and flows downward. Then, guided by the lower baffle 25, it changes direction and flows upward. Through multiple staggered upper baffles 23 and lower baffles 25, the water flow forms a continuous zigzag motion within the tank, significantly extending the water flow path and ozone contact time. The right-angled triangular teeth of the serrated edge 24 generate local eddies when the water flows through, disrupting the laminar flow state and enhancing the turbulent effect, allowing the ozone bubbles to mix more thoroughly with the water and improving mass transfer efficiency. Finally, the treated water flows out through the outlet 22, completing the ozone contact process.

[0027] This step allows the ozone bubbles to mix more thoroughly with the water, improving mass transfer efficiency.

[0028] Please see Figure 1-3 As shown, this embodiment, based on the above embodiment, also includes a collection structure 3. The collection structure 3 includes a flow channel 31, an arc-shaped flow guide plate 32, and a collector 33; The flow channel 31 is fixedly opened at the top of the inner cavity of the contact pool body 1, the arc-shaped flow guide plate 32 is fixedly connected to the inner cavity of the contact pool body 1, and the collector 33 is fixedly connected to one side of the contact pool body 1.

[0029] The cross-section of the guide channel 31 is U-shaped, which is used to guide the bubbles to the collector 33.

[0030] The arc of the curved guide plate 32 matches the inner wall of the contact pool body 1 to optimize water flow distribution. The collector 33, model ZYW-10, is an integrated ozone exhaust gas collection and treatment unit with a processing capacity of approximately 10 cubic meters of exhaust gas per hour. The collector 33 incorporates a high-efficiency gas-liquid separator, which rapidly removes moisture from the bubbles through physical separation. Subsequently, ozone is converted into oxygen through catalytic decomposition and other technologies before safe discharge. This process avoids direct ozone release into the atmosphere and pollution, while also achieving the recovery and harmless treatment of unused ozone, significantly improving ozone utilization and ensuring environmentally friendly and energy-saving system operation.

[0031] The flow guide trough 31 is a U-shaped stainless steel trough arranged longitudinally along the top of the pool to collect undissolved ozone bubbles in the water and guide them to the collector 33. The arc-shaped flow guide plate 32 is made of fiberglass, with an arc consistent with the curvature of the inner wall of the pool. It is installed at the water flow turning point to guide the water flow to a smooth transition and avoid the formation of stagnant water zones.

[0032] Working principle: Undissolved ozone bubbles in the water are captured by the U-shaped guide channel 31 at the top as they rise. Due to the U-shaped cross-section of the channel and its inclined angle, the bubbles naturally gather and flow towards the collector 33 along the water flow direction. The arc-shaped guide plate 32 fits tightly with the inner wall of the pool, guiding the water flow smoothly and avoiding the formation of stagnant areas or short-circuiting phenomena, ensuring uniform water distribution. The collector 33 collects and recovers the bubbles transported by the guide channel 31, which not only improves ozone utilization but also prevents bubbles from escaping into the atmosphere, achieving an environmentally friendly and energy-saving operating effect.

[0033] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0034] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A zigzag ozone contact tank, characterized in that, Including the main body of the contact pool (1): The inner cavity of the contact pool body (1) is fixedly provided with a baffle structure (2), and the inner cavity of the contact pool body (1) is fixedly provided with a collection structure (3). The baffle structure (2) includes an inlet (21), an outlet (22), an upper baffle (23), a serrated edge (24), and a lower baffle (25). The inlet (21) is located on one side of the contact pool body (1), the outlet (22) is located on the other side of the contact pool body (1), the upper partition (23) is fixedly connected to the upper side of the inner cavity of the contact pool body (1), the serrated edge (24) is fixedly located on one side of the upper partition (23), and the lower partition (25) is fixedly connected to the bottom of the inner cavity of the contact pool body (1). The upper partition (23) and the lower partition (25) are arranged alternately to form a zigzag water flow channel.

2. The zigzag ozone contact tank according to claim 1, characterized in that: The upper partition (23) has multiple evenly distributed components, and the lower partition (25) has multiple evenly distributed components.

3. The zigzag ozone contact tank according to claim 1, characterized in that: The serrated edge (24) has a right-angled triangle shape, which enhances water flow turbulence.

4. A zigzag ozone contact tank according to claim 1, characterized in that: The collection structure (3) includes a flow channel (31), an arc-shaped flow guide plate (32), and a collector (33). The guide channel (31) is fixedly opened at the top of the inner cavity of the contact pool body (1), the arc-shaped guide plate (32) is fixedly connected to the inner cavity of the contact pool body (1), and the collector (33) is fixedly connected to one side of the contact pool body (1).

5. A zigzag ozone contact tank according to claim 4, characterized in that: The cross-section of the guide channel (31) is U-shaped, which is used to guide the bubbles to the collector (33).

6. A zigzag ozone contact tank according to claim 4, characterized in that: The arc of the arc-shaped guide plate (32) matches the inner wall of the contact pool body (1) to optimize the water flow distribution.

Citation Information

Patent Citations

  • Turn-back type ozone contact tank

    CN215798648U