Base-membrane-free interfacial polymerization device

Through the baseless membrane-free interface polymerization device, sprayed oil-phase solution in the aqueous solution, the complexity problem of the base film affecting the interface polymerization reaction is solved, the generation and research of polyamide films are realized, the water-oil phase research is facilitated, and short-term filtration testing is supported.

CN222766036UActive Publication Date: 2025-04-18XINYU (JIANGSU) ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202421639636.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-04-18
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

During the preparation of reverse osmosis membrane, the base film has a great influence on the interfacial polymerization reaction, which leads to the study of the complexity of the interfacial polymerization reaction and makes it difficult to intuitively observe the morphology and physical and chemical properties of the polyamide.

Method used

A baseless film interface polymerization device is designed, including an aqueous phase base, a spoiler spacer and an oil phase cap. By spraying the oil phase solution in the aqueous phase solution, the water surface disturbance when the oil phase liquid and the water phase contact are reduced, and the formation of polyamide film is achieved.

Benefits of technology

The device simplifies the operation of interfacial polymerization, improves the convenience of water and oil phase research, allows for more intuitive observation of the morphology and physical and chemical properties of polyamide films, and can be used for short-term filtration testing.

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Abstract

The utility model discloses a basement-membrane-free interfacial polymerization device and relates to the technical field of reverse osmosis membrane preparation equipment. Comprising a water phase base, a turbulent flow separation net and an oil phase cover, a water-phase solution storage cavity is formed in the water-phase base; an oil phase nozzle which is detachably and fixedly connected is arranged at the bottom of the oil phase cover, and the oil phase nozzle is connected with an external oil phase atomizer through an oil pipe and sprays oil mist towards the water phase solution storage cavity. And the conditions of water surface disturbance and non-uniform contact caused by contact of oil phase liquid and water phase are reduced by adopting a spraying form. During use, the drain valve of the water phase base is closed, the glass sampling plate is placed on the turbulent flow separation net, a water phase solution is added, the liquid level is above the turbulent flow separation net, and the oil phase cover is covered. After the atomizer is filled with an oil phase solution, the nozzle of the atomizer atomizes and sprays out an oil phase, after a proper amount of oil mist is sprayed out, standing reaction is carried out, an oil phase cover and a drain valve are opened after the reaction is completed, and then the polyamide film can be obtained on the glass sampling plate, so that the convenience of water-oil phase research is improved.
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Description

Technical Field

[0001] The utility model relates to a reverse osmosis membrane preparation device, in particular to a base-free membrane interface polymerization device. Background Art

[0002] There are many influencing factors in the preparation process of reverse osmosis membranes, among which the basement membrane has a great influence on the interfacial polymerization reaction. In order to study the interfacial polymerization reaction more simply, the basement membrane can be used to carry out the interfacial polymerization reaction. Although the polyamide film prepared in this way has no practical value, it has great research value. Without the influence of the basement membrane, the study of the water and oil phases will be clearer, and the morphology and physical and chemical properties of polyamide can be observed and studied more intuitively. The prepared polyamide film is attached to the support layer for short-term filtration tests.

[0003] Therefore, designing a base film-free interfacial polymerization device with sophisticated structure and easy use is a technical problem that people in this technical field need to solve urgently. Utility Model Content

[0004] In view of the above problems, the utility model provides a base film-free interfacial polymerization device which has a sophisticated structure and is efficient and convenient to use.

[0005] The technical solution of the utility model is:

[0006] A base film-free interfacial polymerization device, comprising:

[0007] The water phase base has a water phase solution storage chamber inside; the water phase base is provided with a drain port connected to the water phase solution storage chamber; the drain port is provided with a drain valve to control the opening or closing of the drain;

[0008] A flow-disturbing screen, adapted to the water phase solution storage chamber, and movably disposed in the water phase base;

[0009] The oil phase cover is a detachable cover arranged on the water phase base, and is used to close the top opening of the water phase solution storage chamber; the bottom of the oil phase cover is provided with a detachable and fixedly connected oil phase nozzle, and the oil phase nozzle is connected to an external oil phase atomizer through an oil pipe to spray oil mist toward the water phase solution storage chamber.

[0010] Specifically, the water phase base and the oil phase cover are detachably sealed and connected via a sealing ring.

[0011] Specifically, a sealing boss is provided on the top of the water phase base, a sealing groove is provided on the sealing boss, and a sealing ring is provided in the sealing groove;

[0012] The oil phase cover is sealed with the water phase base through a sealing ring.

[0013] Specifically, the number of the oil phase nozzles is no less than two and they are evenly spaced.

[0014] Specifically, the oil phase cover is provided with a plurality of glass observation windows.

[0015] Specifically, the spoiler screen is provided with a plurality of evenly distributed hollow mesh holes.

[0016] Specifically, the cross-sections of the water phase base and the oil phase cover are circular structures respectively.

[0017] Specifically, the spoiler screen has a circular structure.

[0018] Specifically, the drain port is located at the bottom or side of the water phase base close to the bottom.

[0019] Specifically, a glass sampling plate is placed on the spoiler screen.

[0020] The utility model includes a water phase base, a spoiler screen and an oil phase cover; a water phase solution storage chamber is arranged in the water phase base; a detachably fixedly connected oil phase nozzle is arranged at the bottom of the oil phase cover, and the oil phase nozzle is connected to an external oil phase atomizer through an oil pipe to spray oil mist toward the water phase solution storage chamber. The water surface disturbance and uneven contact caused by the contact between the oil phase liquid and the water phase are reduced by the spray form. When in use, the drain valve of the water phase base is closed, a glass sampling plate is placed on the spoiler screen, the water phase solution is added, the liquid level is above the spoiler screen, and the oil phase cover is covered. After the oil phase solution is loaded into the atomizer, the atomizer nozzle sprays the oil phase in atomization, and after spraying an appropriate amount of oil mist, it is left to react. After the reaction is completed, the oil phase cover and the drain valve are opened, and a polyamide film can be obtained on the glass sampling plate, thereby improving the convenience of the study of the water and oil phases. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the water phase base and the oil phase cover in the assembled state;

[0022] Figure 2 is a schematic diagram of the three-dimensional structure of the water phase base;

[0023] Figure 3 It is a schematic diagram of the three-dimensional structure of the oil phase cover;

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the spoiler screen;

[0025] In the figure, 100 is an aqueous phase base, 110 is an aqueous phase solution storage chamber, and 120 is a drain port.

[0026] 200 is the spoiler screen,

[0027] 300 is an oil phase cover, 310 is an oil phase nozzle, 320 is a glass observation window,

[0028] 400 is a glass sampling plate. DETAILED DESCRIPTION

[0029] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0030] In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "plurality" means two or more.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Reference below Figure 1-4 Describe the utility model;

[0033] A base film-free interfacial polymerization device, comprising:

[0034] The water phase base 100 has a water phase solution storage chamber 110 disposed therein; the water phase base 100 has a drain port 120 connected to the water phase solution storage chamber 110; the drain port 120 has a drain valve to control the opening or closing of the drain;

[0035] The flow-disturbing screen 200 is adapted to the water phase solution storage chamber 110 and is movably disposed in the water phase base 100;

[0036] The spoiler screen 200 can be made of glass and is placed in the water phase solution storage chamber 110, with a gap between the spoiler screen 200 and the bottom of the water phase solution storage chamber 110;

[0037] The oil phase cover 300 is a detachable cover disposed on the water phase base 100, and is used to close the top opening of the water phase solution storage chamber 110; a detachably fixed oil phase nozzle 310 is disposed at the bottom of the oil phase cover 300, and the oil phase nozzle 310 is connected to an external oil phase atomizer through an oil pipe to spray oil mist toward the water phase solution storage chamber 110. The spray form is used to reduce the water surface disturbance and uneven contact caused by the contact between the oil phase liquid and the water phase.

[0038] The structure of the water phase base 100 is further described:

[0039] The water phase base 100 and the oil phase cover 300 are detachably sealed and connected via a sealing ring:

[0040] That is, a sealing boss is provided on the top of the water phase base 100, a sealing groove is provided on the sealing boss, and a sealing ring is provided in the sealing groove;

[0041] The oil phase cover 300 is sealed with the water phase base 100 via a sealing ring.

[0042] The cross-sections of the water phase base 100 and the oil phase cover 300 are circular structures, that is, barrel-shaped. The drain port 120 is located at the bottom or side of the water phase base 100 near the bottom.

[0043] The oil phase cover 300 structure is further described:

[0044] The oil phase cover 300 is provided with a plurality of glass observation windows 320 for conveniently observing the reaction process.

[0045] The number of the oil phase nozzles 310 is not less than two and they are evenly spaced apart so that the oil phase spray can be sprayed onto the water surface more evenly.

[0046] The structure of the spoiler screen 200 is further described as follows:

[0047] The spoiler screen 200 is provided with a plurality of evenly distributed hollow mesh holes.

[0048] The spoiler screen 200 has a circular structure.

[0049] A glass sampling plate 400 is placed on the spoiler screen 200 .

[0050] When in use, close the drain valve of the water phase base 100, place the glass sampling plate 400 on the spoiler screen 200, add the water phase solution, the liquid level is above the spoiler screen 200, the glass sampling plate 400 is located below the water phase solution, and cover the oil phase cover 300. After the oil phase solution is loaded into the atomizer, the atomizer nozzle sprays the oil phase into atomized form, and after spraying an appropriate amount of oil mist, let it stand for reaction. After the reaction is completed, open the oil phase cover 300, open the drain valve of the water phase base 100, and then a polyamide film can be obtained on the glass sampling plate 400.

[0051] The device of this case also does not need to be provided with a glass sampling plate 400, that is, the glass sampling plate 400 can be replaced with a supporting base membrane, and the oil phase is atomized and sprayed out through an atomizer nozzle, so that the polyamide film generated by the reaction is attached to the base membrane, and subsequent filtering performance testing can be performed.

[0052] Regarding the contents disclosed in this case, there are a few points that need to be explained:

[0053] (1) The drawings of the embodiments disclosed in this case only involve the structures involved in the embodiments disclosed in this case. Other structures can refer to the general design;

[0054] (2) In the absence of conflict, the embodiments and features of the embodiments disclosed in this case may be combined with each other to obtain new embodiments;

[0055] The above are only specific implementation methods disclosed in this case, but the protection scope of the present disclosure is not limited thereto. The protection scope disclosed in this case should be based on the protection scope of the claims.

Claims

1. A base film-free interfacial polymerization device, characterized in that: include: An aqueous phase base (100) is provided with an aqueous phase solution storage chamber (110) therein; the aqueous phase base (100) is provided with a drainage port (120) which is in communication with the aqueous phase solution storage chamber (110); the drainage port (120) is provided with a drainage valve to control the opening or closing of drainage; A flow-disturbing screen (200) adapted to the aqueous solution storage chamber (110) and movably disposed in the aqueous solution base (100); An oil phase cover (300) is detachably disposed on the water phase base (100) and is used to close the top opening of the water phase solution storage chamber (110); a detachably fixedly connected oil phase nozzle (310) is disposed at the bottom of the oil phase cover (300); the oil phase nozzle (310) is connected to an external oil phase atomizer via an oil pipe and sprays oil mist in the direction of the water phase solution storage chamber (110).

2. The base film-free interfacial polymerization device according to claim 1, characterized in that: The water phase base (100) and the oil phase cover (300) are detachably sealed and connected via a sealing ring.

3. The base film-free interfacial polymerization device according to claim 2, characterized in that: A sealing boss is provided on the top of the water phase base (100), a sealing groove is provided on the sealing boss, and a sealing ring is provided in the sealing groove; The oil phase cover (300) is sealed with the water phase base (100) via a sealing ring.

4. The base film-free interfacial polymerization device according to claim 1, characterized in that: The number of the oil phase nozzles (310) is no less than two and they are evenly spaced.

5. The base film-free interfacial polymerization device according to claim 1, characterized in that: The oil phase cover (300) is provided with a plurality of glass observation windows (320).

6. The base film-free interfacial polymerization device according to claim 1, characterized in that: The spoiler screen (200) is provided with a plurality of evenly distributed hollow mesh holes.

7. The base film-free interfacial polymerization device according to claim 1, characterized in that: The water phase base (100) and the oil phase cover (300) have circular cross-sections.

8. The base film-free interfacial polymerization device according to claim 1, characterized in that: The spoiler screen (200) has a circular structure.

9. The base film-free interfacial polymerization device according to claim 1, characterized in that: The water outlet (120) is located at the bottom or at a side portion of the water phase base (100) close to the bottom.

10. The base film-free interfacial polymerization device according to claim 1, characterized in that: A glass sampling plate (400) is placed on the spoiler screen (200).

Citation Information

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