Drying oven device for producing MBR (membrane bioreactor) hollow fiber membrane
By designing an oven device including support frame, porous drying pipe and fan, the problem of large area, long time and unevenness in the drying process of hollow fiber membrane is solved, and rapid and uniform drying is achieved and energy loss is reduced.
Patent Information
- Application Number
- CN202421142123.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-23
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-05-23
AI Technical Summary
During the drying process of hollow fiber membranes, there are problems such as large space, long drying time and unevenness, resulting in low drying efficiency.
An oven device including an oven body, a support frame, a porous drying tube, a fan and a heating wire is designed. Air is extracted through the fan and blown into the support frame and dispersion box after heating the heating wire, and blow into the porous drying tube after dispersion. , realize uniform drying of hollow fiber membranes, and at the same time, use bent pipes, support pipes and filter cotton structures to recover hot gas to reduce energy losses.
The rapid and even drying of hollow fiber membranes is achieved, the drying efficiency is improved, and energy loss is reduced by recycling hot gas.
Smart Images
Figure CN222270893U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of hollow fiber membrane drying equipment, in particular to a drying oven device used for MBR hollow fiber membrane production. Background Art
[0002] Hollow fiber membrane refers to a self-supporting membrane with a fiber-like appearance. Hollow fiber membrane is made of polysulfone and dimethylacetamide as raw materials to form a fiber with a hollow inner cavity, and then divided by a high permeability polymer. It has selective permeation characteristics. Since water vapor, hydrogen, ammonia and carbon dioxide permeate faster, while methane, nitrogen, argon, oxygen and carbon monoxide permeate slower, the fast permeating and slow permeating substances can be separated.
[0003] Before the hollow fiber membrane is processed into a flat membrane, it needs to be dried. There are many ways to dry it. In the production of hollow fiber membranes, it is mostly dried in an oven room. This method requires a large space and a long drying time. The hollow fiber membrane needs to be manually hung on the drying rack. Not only is the drying time long, but the drying is not uniform and the drying efficiency is low. There is still room for improvement in its drying efficiency and drying uniformity. Therefore, designing a drying device that can dry evenly and efficiently is the equipment required in the production of MBR hollow fiber membranes.
[0004] Therefore, an oven device for MBR hollow fiber membrane production is proposed to solve the above problems. Utility Model Content
[0005] In order to make up for the above shortcomings, the utility model provides an oven device for the production of MBR hollow fiber membranes, aiming to improve the problem in the prior art that the drying steps of the hollow fiber membranes are cumbersome and inconvenient, and that the drying is not uniform.
[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0007] A drying oven device for producing MBR hollow fiber membranes comprises an oven body, wherein a support frame is fixedly connected to the interior of the oven body in a transverse direction, a porous drying tube is connected to the interior of the oven body in a longitudinal direction, both sides of the oven body are fixedly connected to fixed frames, a fan is fixedly installed on the outer side of the fixed frame, the inner side of the fan is connected to the outer side of the fixed frame, the top and bottom of the inner wall of the fixed frame are fixedly connected to support plates, a heating wire is fixedly installed on the surface of the support plate, the top and bottom of the oven body are fixedly connected to dispersion boxes, the top and bottom of the fixed frame are connected to the inner side of the dispersion box, and the front and back of the oven body are connected to recovery components.
[0008] As a further description of the above technical solution:
[0009] The top and bottom of the inner wall of the oven body and the top and bottom of the support frame are fixedly connected with a stabilizing plate, and the inner side of the stabilizing plate is in contact with the surface of the porous drying tube.
[0010] As a further description of the above technical solution:
[0011] The recovery component comprises a curved pipe, the curved pipe is connected to the outside of the oven body, and one end of the curved pipe away from the oven body is connected to the outside of the fixed frame.
[0012] As a further description of the above technical solution:
[0013] The outer side of the curved pipe is connected with a supporting pipe, and the supporting pipe is located on the outer side of the oven body.
[0014] As a further description of the above technical solution:
[0015] A support cover is arranged inside the support tube, and an outer surface of the support cover is threadedly connected to an inner wall of the support tube through a thread.
[0016] As a further description of the above technical solution:
[0017] The inside of the support cover is fixedly connected with filter cotton, and the filter cotton is located inside the bent pipe.
[0018] As a further description of the above technical solution:
[0019] The inner side of the dispersion box is communicated with the interior of the stabilizing plate.
[0020] As a further description of the above technical solution:
[0021] The outer side of the support frame is communicated with the inner side of the stabilizing plate.
[0022] The utility model has the following beneficial effects:
[0023] 1. In the utility model, through the mutual cooperation of the support frame, the fan and the porous drying tube structure, the fan draws air into the fixed frame, and then the air is heated by the heating wire and blown to the inside of the support frame and the dispersion box. After being dispersed by the support frame and the dispersion box, the hot air is blown to the hollow fiber membrane in the porous drying tube, so that the hollow fiber membrane can be evenly and quickly dried while moving inside the porous drying tube.
[0024] 2. In the utility model, with the cooperation of the bent pipe, the support pipe, the support cover and the filter cotton structure, the hot air after use inside the drying oven can be filtered and recovered to the inside of the fixed frame for reuse, so as to solve the problem of heat loss after drying the MBR hollow fiber membrane and increase the drying energy loss. BRIEF DESCRIPTION OF THE DRAWINGS
[0025] Figure 1 This is a three-dimensional schematic diagram of a drying oven device for MBR hollow fiber membrane production proposed by the utility model;
[0026] Figure 2 This is a schematic diagram of the main cross-section structure of a drying oven device for MBR hollow fiber membrane production proposed by the utility model;
[0027] Figure 3 This is an exploded three-dimensional structural schematic diagram of a support tube and a support cover of a drying oven device for MBR hollow fiber membrane production proposed by the utility model;
[0028] Figure 4 The utility model provides a three-dimensional structural schematic diagram of a porous drying tube of an oven device for producing MBR hollow fiber membranes.
[0029] Legend:
[0030] 1. Oven body; 2. Support frame; 3. Multi-hole drying tube; 4. Fixed frame; 5. Fan; 6. Support plate; 7. Heating wire; 8. Dispersion box; 9. Stabilizing plate; 10. Bend pipe; 11. Support pipe; 12. Support cover; 13. Filter cotton. DETAILED DESCRIPTION
[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0032] Reference Figure 1-3, the utility model provides an embodiment: an oven device for the production of MBR hollow fiber membranes, comprising an oven body 1, the interior of the oven body 1 is fixedly connected to a support frame 2 in a transverse direction, the support frame 2 can evenly disperse the air transported by the fixed frame 4 so as to evenly dry a plurality of hollow fiber membranes, the interior of the oven body 1 is connected to a porous drying tube 3 in a longitudinal direction, the porous drying tube 3 can place the hollow fiber membrane, so that when the hollow fiber membrane moves inside the oven body 1, the hot air inside the oven body 1 can enter through the porous surface to dry the hollow fiber membrane therein, so that a plurality of groups of hollow fiber membranes can be dried quickly and evenly at the same time, both sides of the oven body 1 are fixedly connected to fixed frames 4, the fixed frame 4 can disperse the hot air to the dispersion box 8 and the interior of the support frame 2, a fan 5 is fixedly installed on the outside of the fixed frame 4, the fan 5 serves as an exhaust member to continuously transport air to the interior of the fixed frame 4 as needed, the inner side of the fan 5 is connected to the outer side of the fixed frame 4, the top and bottom of the inner wall of the fixed frame 4 are fixedly connected to support plates 6, the support plate 6 can The heating wire 7 is supported so that the heating wire 7 is stably located inside the fixed frame 4 to heat the incoming air. The heating wire 7 is fixedly installed on the surface of the support plate 6. The heating wire 7 can continuously heat the air circulating inside the fixed frame 4 so as to dry the hollow fiber membrane. The top and bottom of the oven body 1 are fixedly connected with a dispersion box 8. The dispersion box 8 disperses the air inside the fixed frame 4 and then absorbs it into the oven body 1 from the top and bottom of the oven body 1 and blows it to the surface of the porous drying tube 3 to dry the hollow fiber membrane inside it. The top and bottom of the fixed frame 4 are connected to the inner side of the dispersion box 8. The front and back of the oven body 1 are connected to a recovery component. The recovery component includes a bent pipe 10. The bent pipe 10 refluxes the air used for drying the inside of the oven body 1 into the fixed frame 4 for repeated use, saving the energy loss of heating energy. The bent pipe 10 is connected to the outside of the oven body 1, and the end of the bent pipe 10 away from the oven body 1 is connected to the outside of the fixed frame 4, so as to achieve uniform and rapid drying of multiple hollow fiber membranes.
[0033] Reference Figure 2-4 The outer side of the curved pipe 10 is connected with a support pipe 11, and the support pipe 11 can support the support cover 12, so that the filter cotton 13 inside the support cover 12 can filter the circulating air inside the curved pipe 10, and the support pipe 11 is located on the outer side of the oven body 1; the support pipe 11 is provided with a support cover 12 inside, and the support cover 12 can stably place the filter cotton 13 inside the curved pipe 10 to filter the refluxed hot air, and the outer surface of the support cover 12 is threadedly connected to the inner wall of the support pipe 11 through a thread; the inside of the support cover 12 is fixedly connected with the filter cotton 13, and the filter cotton 13 can filter the air inside the curved pipe 10, so that the impurities in the air inside the curved pipe 10 are filtered, and the filter cotton 13 is located inside the curved pipe 10, so that the recycled hot air can be filtered and can be reused.
[0034] Reference Figure 1-3 The top and bottom of the inner wall of the oven body 1 and the top and bottom of the support frame 2 are fixedly connected with a stabilizing plate 9, which can support the porous drying tube 3 and can communicate with the dispersion box 8 and the surface of the support frame 2 to spray the air from the inside of the stabilizing plate 9 into the porous drying tube 3 to dry the hollow fiber membrane inside. The inner side of the stabilizing plate 9 is in contact with the surface of the porous drying tube 3, and the inner side of the dispersion box 8 is communicated with the inside of the stabilizing plate 9; the outer side of the support frame 2 is communicated with the inside of the stabilizing plate 9.
[0035] Working principle: When it is necessary to dry the MBR hollow fiber membrane during the production of the MBR hollow fiber membrane, first start the heating wire 7 and the fan 5 in sequence, so that the fan 5 draws outside air into the fixed frame 4, and the heating wire 7 heats the air inside the fixed frame 4. Then, under the obstruction of the support plate 6, the air flows in from the connection between the fixed frame 4, the support frame 2 and the dispersion box 8. After the hot air enters the support frame 2, it flows out from its surface and sprays onto the surface of the porous drying tube 3, enters the porous drying tube 3 to dry the hollow fiber membrane therein, and the air entering the dispersion box 8 from the fixed frame 4 passes through the inside of the stabilizing plate 9 and is sprayed into the porous drying tube 3 to dry the hollow fiber membrane therein, so that the hollow fiber membrane moving inside the porous drying tube 3 is evenly and fully dried, thereby achieving rapid and even drying of the hollow fiber membrane during the production of the hollow fiber membrane.
[0036] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A drying oven device for producing MBR hollow fiber membranes, comprising a drying oven body (1), characterized in that: The interior of the oven body (1) is transversely fixedly connected to a support frame (2), and the interior of the oven body (1) is longitudinally connected to a porous drying tube (3). Both sides of the oven body (1) are fixedly connected to fixed frames (4), and a fan (5) is fixedly installed on the outer side of the fixed frame (4). The inner side of the fan (5) is connected to the outer side of the fixed frame (4). The top and bottom of the inner wall of the fixed frame (4) are fixedly connected to a support plate (6), and a heating wire (7) is fixedly installed on the surface of the support plate (6). The top and bottom of the oven body (1) are fixedly connected to a dispersion box (8), and the top and bottom of the fixed frame (4) are connected to the inner side of the dispersion box (8). The front and back of the oven body (1) are connected to a recovery component.
2. The oven device for producing MBR hollow fiber membranes according to claim 1, characterized in that: The top and bottom of the inner wall of the oven body (1) and the top and bottom of the support frame (2) are fixedly connected with a stabilizing plate (9), and the inner side of the stabilizing plate (9) is in contact with the surface of the porous drying tube (3).
3. The oven device for producing MBR hollow fiber membranes according to claim 1, characterized in that: The recovery component comprises a curved pipe (10), wherein the curved pipe (10) is connected to the outside of the oven body (1), and one end of the curved pipe (10) away from the oven body (1) is connected to the outside of the fixed frame (4).
4. The oven device for producing MBR hollow fiber membranes according to claim 3, characterized in that: The outer side of the curved pipe (10) is connected to a support pipe (11), and the support pipe (11) is located on the outer side of the oven body (1).
5. The oven device for producing MBR hollow fiber membranes according to claim 4, characterized in that: A support cover (12) is arranged inside the support tube (11), and the outer surface of the support cover (12) is threadedly connected to the inner wall of the support tube (11) via a thread.
6. The oven device for producing MBR hollow fiber membranes according to claim 5, characterized in that: The support cover (12) is fixedly connected to a filter cotton (13) inside, and the filter cotton (13) is located inside the curved pipe (10).
7. The oven device for producing MBR hollow fiber membranes according to claim 1, characterized in that: The inner side of the dispersion box (8) is connected to the inside of the stabilizing plate (9) to facilitate the dispersion of the air inside the dispersion box (8) into the inside of the stabilizing plate (9) to dry the hollow fiber membrane.
8. The oven device for producing MBR hollow fiber membranes according to claim 1, characterized in that: The outer side of the support frame (2) is connected to the inside of the stabilizing plate (9), so that the air circulating inside the support frame (2) is dispersed into the inside of the stabilizing plate (9) and sprayed toward the porous drying pipe (3).