Streamlined ceramic fluid passage device for reverse osmosis sewage treatment unit

By designing a streamlined ceramic fluid channel device, the problems of uneven flow velocity and turbulence in traditional straight cylindrical flow channels were solved, achieving uniform flow velocity and laminar flow, thus improving the efficiency and stability of the reverse osmosis wastewater treatment system.

CN224298974UActive Publication Date: 2026-05-29SHAANXI GRANDWELL IND TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAANXI GRANDWELL IND TECH CO LTD
Filing Date
2025-07-02
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional straight-cylinder fluid channels in reverse osmosis wastewater treatment systems result in uneven fluid velocity, which easily leads to turbulence, increases flow resistance and energy consumption, and affects the separation effect of the reverse osmosis membrane. This makes it difficult to meet the wastewater treatment industry's requirements for equipment efficiency, energy saving, and stability.

Method used

A streamlined ceramic fluid channel device is designed. A streamlined variable cross-section channel is constructed by multiple connecting plates in a ring array. Combined with chamfering, it ensures that the fluid forms a stable laminar flow state in the channel, reduces flow resistance, and improves flow velocity uniformity.

Benefits of technology

The streamlined design reduces flow resistance, improves flow velocity uniformity, extends the service life of the reverse osmosis membrane, and enhances wastewater purification quality and treatment efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of streamline ceramic fluid passage devices of reverse osmosis sewage treatment device, it is related to sewage treatment technical field.The streamline ceramic fluid passage device of reverse osmosis sewage treatment device, including first ceramic pipeline, the opposite surface of fourth ceramic pipeline and third ceramic pipeline is fixedly connected with multiple second pipeline connecting plates, the opposite surface of third ceramic pipeline and second ceramic pipeline is fixedly connected with multiple first pipeline connecting plates;Through annular array multiple third pipeline connecting plates, multiple second pipeline connecting plates, multiple first pipeline connecting plates construct streamline variable cross section passage, so that fluid is immediately guided acceleration after entering passage by inclined plane, flow velocity is linearly increasing with cross section variation, promote flow velocity, multilayer annular array structure makes flow passage cross section continuous change, while stable laminar state makes the uniformity of reverse osmosis membrane surface scouring force, reduce membrane pollution rate, extend membrane replacement cycle.
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Description

Technical Field

[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a streamlined ceramic fluid channel device for a reverse osmosis wastewater processor. Background Technology

[0002] The design of fluid channels for domestically produced ceramic booster units needs to combine domestic technological accumulation with industry demands, and innovate and break through based on the experience gained from imported products. This requires overcoming the problems associated with imported products, such as high cost, long delivery cycles, gaps in material preparation technology, limited precision machining capabilities, and insufficient system integration experience.

[0003] Currently, most reverse osmosis wastewater treatment systems on the market use traditional cylindrical fluid channels. While this type of channel has a simple structure and mature manufacturing process, it presents several problems in practical applications. First, the fluid velocity within the cylindrical channel is uniform, and the fluid cannot quickly reach a suitable operating velocity at the inlet, resulting in low overall treatment efficiency. Second, during fluid flow, the lack of variation in the channel cross-section easily leads to turbulence. Turbulence not only increases fluid flow resistance, leading to higher energy consumption, but also affects the separation effect of the reverse osmosis membrane, reducing wastewater purification quality. As the wastewater treatment industry continuously increases its requirements for equipment efficiency, energy saving, and stability, traditional cylindrical fluid channels can no longer meet the growing technological demands. Therefore, optimized design is urgently needed to improve the overall performance of reverse osmosis wastewater treatment systems. This invention proposes a novel solution. Utility Model Content

[0004] The purpose of this invention is to solve at least one of the technical problems existing in the prior art, and to provide a streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment plant. This device can solve the problem that turbulence is easily generated during fluid flow due to the lack of change in the cross-section of the flow channel. Turbulence not only increases fluid flow resistance and leads to increased energy consumption, but also affects the separation effect of the reverse osmosis membrane.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a streamlined ceramic fluid channel device for a reverse osmosis wastewater processor, comprising a first ceramic pipe, a fourth ceramic pipe disposed on the outside of the first ceramic pipe, a third ceramic pipe disposed on the outside of the fourth ceramic pipe, a second ceramic pipe disposed on the outside of the third ceramic pipe, and multiple third pipe connecting plates fixedly connected to the opposite surfaces of the first ceramic pipe and the fourth ceramic pipe.

[0006] The opposite surfaces of the fourth ceramic pipe and the third ceramic pipe are fixedly connected with multiple second pipe connecting plates, and the opposite surfaces of the third ceramic pipe and the second ceramic pipe are fixedly connected with multiple first pipe connecting plates.

[0007] Multiple first pipe connection plates, multiple second pipe connection plates, and multiple third pipe connection plates are arranged in a ring array.

[0008] Preferably, the connections between the inner and outer sides of the plurality of third pipe connecting plates and the first ceramic pipe and the fourth ceramic pipe are all chamfered.

[0009] Preferably, the connections between the inner and outer sides of the plurality of second pipe connecting plates and the third and fourth ceramic pipes are all chamfered.

[0010] Preferably, the connections between the inner and outer sides of the plurality of first pipe connecting plates and the third ceramic pipe and the second ceramic pipe are all chamfered.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The streamlined ceramic fluid channel device of this reverse osmosis wastewater processor constructs a streamlined variable cross-section channel through a ring array of multiple third pipe connecting plates, multiple second pipe connecting plates, and multiple first pipe connecting plates. This allows the fluid to be immediately guided and accelerated by the inclined surface after entering the channel, and the flow velocity increases linearly with the change of cross-section, thereby increasing the flow rate. The multi-layer ring array structure makes the flow channel cross-section continuously change, and the smooth transition with the chamfer treatment reduces the fluid turbulence and flow resistance. At the same time, the stable laminar flow state makes the scouring force on the reverse osmosis membrane surface uniform, reduces the membrane fouling rate, and extends the membrane replacement cycle. Attached Figure Description

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0014] Figure 1 This is a schematic diagram of the streamlined ceramic fluid channel device structure of a reverse osmosis wastewater treatment device according to the present invention;

[0015] Figure 2 This is a schematic cross-sectional view of the ceramic pipe of this utility model.

[0016] Reference numerals in the attached drawings: 1. First ceramic pipe; 2. Second ceramic pipe; 3. Third ceramic pipe; 4. Fourth ceramic pipe; 5. First pipe connecting plate; 6. Second pipe connecting plate; 7. Third pipe connecting plate. Detailed Implementation

[0017] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0018] In the description of this utility model, it should be understood that the directional descriptions, such as up, down, front, back, left, right, etc., indicate the directional or positional relationship based on the directional or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0019] In the description of this utility model, terms such as greater than, less than, and exceeding are understood to exclude the stated number, while terms such as above, below, and within are understood to include the stated number. The use of terms like "first" and "second" is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the quantity or sequence of the indicated technical features.

[0020] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0021] Please see Figure 1-2 This utility model provides a technical solution: a streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment system, comprising a first ceramic pipe 1, a fourth ceramic pipe 4 disposed on the outer side of the first ceramic pipe 1, a third ceramic pipe 3 disposed on the outer side of the fourth ceramic pipe 4, a second ceramic pipe 2 disposed on the outer side of the third ceramic pipe 3, a plurality of third pipe connecting plates 7 fixedly connected to the opposite surfaces of the first ceramic pipe 1 and the fourth ceramic pipe 4, a plurality of second pipe connecting plates 6 fixedly connected to the opposite surfaces of the fourth ceramic pipe 4 and the third ceramic pipe 3, and a plurality of first pipe connecting plates 5 fixedly connected to the opposite surfaces of the third ceramic pipe 3 and the second ceramic pipe 2.

[0022] Multiple first pipe connecting plates 5, multiple second pipe connecting plates 6, and multiple third pipe connecting plates 7 are arranged in a ring array.

[0023] The connections between the inner and outer sides of multiple third pipe connecting plates 7 and the first ceramic pipe 1 and the fourth ceramic pipe 4 are all chamfered. The connections between the inner and outer sides of multiple second pipe connecting plates 6 and the third ceramic pipe 3 and the fourth ceramic pipe 4 are all chamfered. The connections between the inner and outer sides of multiple first pipe connecting plates 5 and the third ceramic pipe 3 and the second ceramic pipe 2 are all chamfered.

[0024] When using this device, since the left and right sides of each connecting plate are inclined and distributed in a ring array along the circumference of the pipe, the cross-section of the fluid channel between adjacent pipes forms a continuously changing streamline profile along the flow direction.

[0025] When wastewater flows into the device from the inlet, the inclined connecting plate of the annular array will generate a uniform guiding force on the fluid, so that the fluid forms a gradual velocity distribution in both the circumferential and axial directions, avoiding the problem of uneven velocity in traditional straight cylindrical channels.

[0026] The combination of multi-layer pipes and annular array connecting plates causes the cross-sectional area of ​​the fluid channel to gradually change from the inside to the outside (e.g., from the channel between the first ceramic pipe 1 and the fourth ceramic pipe 4 to the outer channel, the cross-section gradually expands), forming a flow channel characteristic similar to that of a Venturi tube.

[0027] This design allows the fluid velocity within the channel to be linearly adjusted as the cross-section changes: the velocity increases when the cross-section decreases and decreases when the cross-section increases, thus forming a stable laminar flow state throughout the channel. Compared to traditional straight cylindrical channels, this structure can effectively suppress turbulence caused by abrupt changes in cross-section during fluid flow and reduce flow resistance.

[0028] The design of the connecting plate in a ring array not only ensures the structural strength of the multi-layer pipeline, but also makes the fluid channel symmetrical in the circumferential direction and the pressure distribution in the circumferential direction uniform, preventing eddies caused by pressure differences.

[0029] This uniformity ensures that the flow velocity and pressure of the fluid are consistent along the circumference when passing through each channel layer, further optimizing the flow field stability, improving the stress uniformity of the reverse osmosis membrane, and extending the membrane's service life.

[0030] The chamfering treatment at the connection between the connecting plate and the ceramic pipe transforms the traditional right-angle connection into a rounded transition structure (as shown in the attached diagram, a smooth curve at the connection). Its technical advantages include:

[0031] Eliminating fluid dead zones: When fluid flows in the channel between the first ceramic pipe 1 and the fourth ceramic pipe 4, the inclined surface of the third pipe connecting plate 7 will guide the fluid to diffuse outward. At the same time, due to the ring array distribution, the fluid velocity in the circumferential direction tends to be uniform.

[0032] Reduce local turbulence: Multiple third pipe connecting plates 7 are evenly distributed around the first ceramic pipe 1, which can avoid flow channel deformation caused by uneven local support, while ensuring flow.

[0033] At the junction of the connecting plate and the pipe, an impact generates a vortex, reducing energy loss. When the fluid flows through the connection between the third pipe connecting plate 7 and the first ceramic pipe 1, the chamfered structure allows the fluid to transition smoothly, rather than forming at a right angle.

[0034] The annular channel between the first ceramic pipe 1 and the fourth ceramic pipe 4 flows outward along the streamlined channel under the guidance of the third pipe connecting plate 7 of the annular array.

[0035] The fluid passes sequentially through the channels between the fourth ceramic pipe 4 and the third ceramic pipe 3, and between the third ceramic pipe 3 and the second ceramic pipe 2, forming an annular turbulent zone in each channel layer;

[0036] Reduced risk of impurity deposition: Smooth chamfers reduce the attachment points of suspended matter or colloids at the joints, preventing channel blockage and maintaining long-term unobstructed flow.

[0037] Wastewater enters the array connection plate from the device inlet, where the flow rate and flow pattern are optimized, and finally enter the reverse osmosis membrane module in a stable laminar flow state.

[0038] Due to the uniform flow field and less turbulence, the separation efficiency of the reverse osmosis membrane is improved, the pollutant rejection rate is increased, and the scouring force of the fluid on the membrane surface is uniform, reducing the risk of membrane fouling.

[0039] Furthermore, a streamlined variable cross-section channel is constructed by using multiple third pipe connection plates 7, multiple second pipe connection plates 6, and multiple first pipe connection plates 5 in a ring array. This allows the fluid to be immediately guided and accelerated by the inclined surface after entering the channel, and the flow velocity increases linearly with the change of cross-section, thereby increasing the flow velocity. The multi-layer ring array structure makes the flow channel cross-section change continuously, and the smooth transition with the chamfer treatment reduces the fluid turbulence and flow resistance. At the same time, the stable laminar flow state makes the scouring force on the reverse osmosis membrane surface uniform, reduces the membrane fouling rate, and extends the membrane replacement cycle.

[0040] Structural Description: First ceramic pipe 1: Serves as the basic pipe inside the device, and together with the fourth ceramic pipe 4, it forms the inner fluid channel, providing initial flow space for sewage;

[0041] The fourth ceramic pipe 4 is located outside the first ceramic pipe 1, forming an inner annular channel with the first ceramic pipe 1, and also serving as the connection base between the middle layer and the outer layer pipes. It cooperates with the third ceramic pipe 3 on the outside.

[0042] The third ceramic pipe 3: outside the fourth ceramic pipe 4, it forms an intermediate layer annular channel with the fourth ceramic pipe 4, and connects to the second ceramic pipe 2 on the outside, serving as a transition and support function;

[0043] Second ceramic pipe 2: As the outermost pipe, it forms an outer ring channel with the third ceramic pipe 3. It is the last channel before the fluid flows out, ensuring the integrity of the overall structure of the device.

[0044] The third pipe connecting plate 7 connects the first ceramic pipe 1 and the fourth ceramic pipe 4 in a ring array. Its inclined surface guides the fluid to diffuse outward, making the circumferential flow velocity more uniform and reducing local turbulence. The ring array distribution ensures structural strength, avoids flow channel deformation, and ensures uniform circumferential pressure. The inner and outer chamfer treatment eliminates the risk of fluid dead zones and impurity deposition.

[0045] Second pipe connecting plate 6: connects the fourth ceramic pipe 4 and the third ceramic pipe 3, also distributed in a ring array; optimizes the flow velocity and flow state of the fluid in the intermediate layer channel, and works with other connecting plates to make the cross-section of the fluid channel change continuously, forming characteristics similar to a Venturi tube, while ensuring the structural connection strength between pipes. The chamfering treatment plays a role in smoothing the fluid transition, reducing energy loss and impurity deposition.

[0046] First pipe connecting plate 5: connects the third ceramic pipe 3 and the second ceramic pipe 2, distributed in a ring array; further optimizes the flow velocity and flow state when the fluid flows through the outer channel, constructs a streamlined variable cross-section channel, so that the fluid flow velocity is linearly adjusted with the cross-section change, forming a stable laminar flow; ensures the structural strength and circumferential symmetry of the outermost pipe, and the chamfer treatment improves the smoothness of fluid flow and reduces the risk of pollution.

[0047] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment system, characterized in that: It includes a first ceramic pipe (1), a fourth ceramic pipe (4) is provided on the outside of the first ceramic pipe (1), a third ceramic pipe (3) is provided on the outside of the fourth ceramic pipe (4), and a second ceramic pipe (2) is provided on the outside of the third ceramic pipe (3). Multiple third pipe connecting plates (7) are fixedly connected to the opposite surfaces of the first ceramic pipe (1) and the fourth ceramic pipe (4), multiple second pipe connecting plates (6) are fixedly connected to the opposite surfaces of the fourth ceramic pipe (4) and the third ceramic pipe (3), and multiple first pipe connecting plates (5) are fixedly connected to the opposite surfaces of the third ceramic pipe (3) and the second ceramic pipe (2). Multiple first pipe connection plates (5), multiple second pipe connection plates (6), and multiple third pipe connection plates (7) are arranged in a ring array.

2. The streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment system according to claim 1, characterized in that: The joints between the inner and outer sides of the multiple third pipe connecting plates (7) and the first ceramic pipe (1) and the fourth ceramic pipe (4) are all chamfered.

3. The streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment system according to claim 1, characterized in that: The joints between the inner and outer sides of the multiple second pipe connecting plates (6) and the third ceramic pipe (3) and the fourth ceramic pipe (4) are all chamfered.

4. The streamlined ceramic fluid channel device for a reverse osmosis wastewater treatment system according to claim 1, characterized in that: The joints between the inner and outer sides of the first pipe connecting plates (5) and the third ceramic pipe (3) and the second ceramic pipe (2) are all chamfered.