阅读说明：本技术 一种中空平板纤维膜组件的生产工艺 (Production process of hollow flat plate fiber membrane component ) 是由 李文凯 毋佳瑞 李飏 于 2019-11-04 设计创作，主要内容包括：本发明提供一种工艺简单合理、自动化程度高的中空平板纤维膜组件的生产工艺,该生产工艺具体包括以下步骤：(1)将无纺布料卷安放在芯层无纺布放卷机上,将预制膜片料卷安放在膜片放卷机上,在喷胶装置中装满胶水,将不锈钢条安放在边条压制机上；(2)启动芯层无纺布放卷机放卷,通过芯层无纺布压轮组,将无纺布料卷压制成连续“W”形状芯层无纺布得到芯层滤板；(3)通过喷胶装置,将步骤(2)的芯层滤板表面两侧喷涂胶水；(4)启动膜片放卷机放卷,将预制膜片粘于步骤(3)的芯层滤板表面两侧得到滤板。本发明能够实现中空平板纤维膜组件的连续性自动化生产,有效提升生产加工效率,降低中空平板纤维膜组件的制造成本。(The invention provides a production process of a hollow flat plate fiber membrane component, which has simple and reasonable process and high automation degree, and the production process specifically comprises the following steps: (1) placing a non-woven fabric material roll on a core layer non-woven fabric unreeling machine, placing a prefabricated membrane material roll on the membrane unreeling machine, filling glue in a glue spraying device, and placing a stainless steel strip on an edge pressing machine; (2) starting a core layer non-woven fabric unreeling machine to unreel, and pressing a non-woven fabric roll into continuous W-shaped core layer non-woven fabric through a core layer non-woven fabric pressing wheel set to obtain a core layer filter plate; (3) spraying glue on two sides of the surface of the core layer filter plate in the step (2) by a glue spraying device; (4) and (4) starting a membrane unreeling machine to unreel, and adhering the prefabricated membrane to the two sides of the surface of the core layer filter plate in the step (3) to obtain the filter plate. The invention can realize continuous automatic production of the hollow flat plate fiber membrane component, effectively improve the production and processing efficiency and reduce the manufacturing cost of the hollow flat plate fiber membrane component.)

1. A production process of a hollow flat plate fiber membrane component is characterized by comprising the following steps: the production process of the hollow flat plate fiber membrane component specifically comprises the following steps,

(1) placing a non-woven fabric material roll on a core layer non-woven fabric unreeling machine, placing a prefabricated membrane material roll on the membrane unreeling machine, filling glue in a glue spraying device, and placing a stainless steel strip on an edge pressing machine;

(2) starting a core layer non-woven fabric unreeling machine to unreel, and pressing a non-woven fabric roll into continuous W-shaped core layer non-woven fabric through a core layer non-woven fabric pressing wheel set to obtain a core layer filter plate;

(3) spraying glue on two sides of the surface of the core layer filter plate in the step (2) by a glue spraying device;

(4) starting a membrane unreeling machine to unreel, and adhering the prefabricated membrane to two sides of the surface of the core layer filter plate obtained in the step (3) through a fixed pressing wheel set to obtain the filter plate;

(5) pressing the stainless steel bars into edge strips by an edge strip pressing machine;

(6) conveying the filter plate obtained in the step (4) to an edge strip fixing machine through a conveying device;

(7) fixing the edge strips on the side edges of the filter plates in the step (4) through an edge strip fixing machine to obtain a hollow flat plate fiber membrane component;

(8) and (4) cutting the hollow flat plate fiber membrane module in the step (7) according to the required size by a cutting device.

2. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: core layer non-woven fabrics unreel machine and core layer non-woven fabrics pinch roller group and transversely set up and be in the coplanar, spout the vertical setting of mucilage binding device, diaphragm unreel machine and fixed pinch roller group, conveyor, strake briquetting machine, strake fixing machine and cutting device transversely set up and be in the coplanar, spout and be equipped with the auxiliary wheel between mucilage binding device and the core layer non-woven fabrics pinch roller group.

3. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: the sandwich layer non-woven fabric pressing wheel set comprises a plurality of pressing wheels which are arranged up and down oppositely, a plurality of pressing wheel teeth are arranged on the outer edge of each pressing wheel, and the tooth tops of all the pressing wheel teeth are flat tops.

4. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: spout mucilage binding put including storing up gluey jar, fixed glue sprayer, portable glue sprayer and scraper, fixed glue sprayer and portable glue sprayer all store up gluey jar through the hose intercommunication.

5. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: the edge pressing machine comprises a stainless steel bar feeding roller, an edge folding pressing die, an edge folding bottom die and a driving motor, wherein the working surface of the edge folding pressing die is correspondingly matched with the working surface of the edge folding bottom die, and the end part of the non-working surface of the edge folding pressing die is connected with the driving motor.

6. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: the strake fixing machine comprises a strake fixing rack, a driving rod, a strake fixing pressing plate and a strake fixing supporting plate, wherein the driving rod, the strake fixing pressing plate and the strake fixing supporting plate are arranged on the strake fixing rack, one end of the strake fixing pressing plate is hinged to the strake fixing supporting plate, the other end of the strake fixing pressing plate is hinged to the driving rod, and the working face of the strake fixing pressing plate and the strake fixing.

7. The production process of a hollow flat fiber membrane module according to claim 1, characterized in that: the cutting device comprises a cutting rack and a movable cutter arranged on the cutting rack, the movable cutter has X-axis and Y-axis displacement relative to the cutting rack, and the displacement speed of the movable cutter on the X axis is the same as the conveying speed of the conveying device.

Technical Field

The invention relates to a production process of a membrane component, in particular to a production process of a hollow flat plate fiber membrane component.

Background

The Membrane Bioreactor (MBR) technology is a novel and efficient sewage treatment process. The membrane component is used for replacing a secondary sedimentation tank in the traditional activated sludge process, so that the solid-liquid separation capability of the system is greatly improved, the effluent quality is good, suspended matters and turbidity are close to zero, the treated effluent can be directly recycled, and the effluent quality is obviously superior to that of the traditional sewage treatment process. The MBR technology utilizes a membrane separation component to retain activated sludge and macromolecular organic matters in a biochemical reaction tank, and a secondary sedimentation tank is omitted. The method can greatly improve the concentration of the activated sludge, and respectively control the hydraulic retention time and the sludge retention time, thereby being an efficient and economic sewage recycling technology.

The MBR flat membrane module is a core functional component of the membrane-bioreactor. The MBR flat membrane component comprises a filter plate, a membrane pad, a separation membrane and other parts, wherein the conventional filter plate is mainly made of ABS resin, a flow channel is arranged in the conventional filter plate in a hollow mode, and flat MBR membranes are arranged on the upper surface and the lower surface of the conventional filter plate. The structure and function of the system directly determine the operation efficiency, operation cost and operation energy consumption of the whole membrane-bioreactor system.

At present, the membrane-bioreactor has the defects mainly expressed in several aspects: firstly, the production cost of the membrane is high, so that the capital investment of the membrane-bioreactor is higher than that of the traditional sewage treatment process; and secondly, membrane pollution is easy to occur, inconvenience is brought to operation management, and cost for replacing assemblies is brought. Therefore, for the production process of the novel hollow flat plate fiber membrane component and the realization of the production process, the problems of complex production process and high cost of the traditional hollow flat plate fiber membrane component are solved, and the production process is always a hot point concerned by the water treatment industry.

Disclosure of Invention

The invention aims to provide a production process of a hollow flat plate fiber membrane component, which is simple and reasonable in process and high in automation degree, and solves the problems of complex production process and high cost of the traditional hollow flat plate fiber membrane component.

The technical scheme adopted by the invention for solving the technical problems is as follows:

a production process of a hollow flat plate fiber membrane component specifically comprises the following steps:

(1) placing a non-woven fabric material roll on a core layer non-woven fabric unreeling machine, placing a prefabricated membrane material roll on the membrane unreeling machine, filling glue in a glue spraying device, and placing a stainless steel strip on an edge pressing machine;

(2) starting a core layer non-woven fabric unreeling machine to unreel, and pressing a non-woven fabric roll into continuous W-shaped core layer non-woven fabric through a core layer non-woven fabric pressing wheel set to obtain a core layer filter plate;

(3) spraying glue on two sides of the surface of the core layer filter plate in the step (2) by a glue spraying device;

(4) starting a membrane unreeling machine to unreel, and adhering the prefabricated membrane to two sides of the surface of the core layer filter plate obtained in the step (3) through a fixed pressing wheel set to obtain the filter plate;

(5) pressing the stainless steel bars into edge strips by an edge strip pressing machine;

(6) conveying the filter plate obtained in the step (4) to an edge strip fixing machine through a conveying device;

(7) fixing the edge strips on the side edges of the filter plates in the step (4) through an edge strip fixing machine to obtain a hollow flat plate fiber membrane component;

(8) and (4) cutting the hollow flat plate fiber membrane module in the step (7) according to the required size by a cutting device.

As preferred, sandwich layer non-woven fabrics unreel machine and sandwich layer non-woven fabrics pinch roller set transversely set up and be in the coplanar, spout the vertical setting of mucilage binding device, diaphragm unreel machine and fixed pinch roller set, conveyor, strake briquetting machine, strake fixing machine and cutting device transversely set up and be in the coplanar, spout and be equipped with the auxiliary wheel between mucilage binding device and the sandwich layer non-woven fabrics pinch roller set. The auxiliary wheel makes the transverse advancing motion of the core layer non-woven fabric become vertical ascending motion, the glue spraying device sprays glue on two sides of the core layer non-woven fabric simultaneously, and the surface layer film placing and fixing device simultaneously carries out surface layer film placing and film fixing on two sides of the core layer non-woven fabric.

Preferably, the core layer non-woven fabric pressing wheel group comprises a plurality of pressing wheels which are arranged up and down oppositely, a plurality of pressing wheel teeth are arranged on the outer edge of each pressing wheel, and the tooth tops of the pressing wheel teeth are flat tops. The surface of the continuous W-shaped core layer non-woven fabric pressed by the flat-top pressing wheel teeth is provided with a part of plane, so that the bonding area between the continuous W-shaped core layer non-woven fabric and the surface layer membrane can be increased, and the bonding strength is increased.

Preferably, the glue spraying device comprises a glue storage tank, a fixed glue sprayer, a movable glue sprayer and a scraper, wherein the fixed glue sprayer and the movable glue sprayer are communicated with the glue storage tank through hoses. Fixed glue sprayer and portable glue sprayer can guarantee not have the coating resin of omitting on sandwich layer non-woven fabrics surface and glue, and unnecessary resin is glued and is got rid of by the scraper, prevents to glue and remains.

Preferably, the edge pressing machine comprises a stainless steel strip feeding roller, an edge folding pressing die, an edge folding bottom die and a driving motor, wherein the working surface of the edge folding pressing die is correspondingly matched with the working surface of the edge folding bottom die, and the end part of the non-working surface of the edge folding pressing die is connected with the driving motor.

Preferably, the strake fixing machine comprises a strake fixing rack, a driving rod arranged on the strake fixing rack, a strake fixing pressing plate and a strake fixing supporting plate, wherein one end of the strake fixing pressing plate is hinged to the strake fixing supporting plate, the other end of the strake fixing pressing plate is hinged to the driving rod, and the working faces of the strake fixing pressing plate and the strake fixing supporting plate are planes.

Preferably, the cutting device comprises a cutting frame and a movable cutter arranged on the cutting frame, the movable cutter has displacement of an X axis and a Y axis relative to the cutting frame, and the displacement speed of the movable cutter on the X axis is the same as the conveying speed of the conveying device. The motion track of the movable cutter can ensure that the cut of the cut material is neat, so that the cut surface of the material is perpendicular to the side surface of the material.

The invention has the beneficial effects that:

the production process of the hollow flat plate fiber membrane component can realize continuous automatic production of the hollow flat plate fiber membrane component, saves the processing of a resin filter plate compared with the existing processing process of the hollow flat plate fiber membrane component, replaces the resin filter plate with non-woven fabric as a core layer, effectively improves the production and processing efficiency, can cut and adjust the size of the component according to actual requirements, quickly obtains a compliant product, reduces the manufacturing cost of the hollow flat plate fiber membrane component, and produces the hollow flat plate fiber membrane component with better structural strength and lower cost.

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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

FIG. 1 is a flow chart of the production process of the present invention;

FIG. 2 is a schematic view of an apparatus used in the production process of the present invention;

FIG. 3 is a schematic view of a part of the apparatus used in the production process of the present invention;

FIG. 4 is a schematic view of a hemming die and a hemming die of the present invention;

FIG. 5 is a schematic view of a preform edging of the present invention;

FIG. 6 is a schematic view of the edge strip fixing machine of the present invention.

In the figure: 1. core layer pressing and gluing device, 2, surface layer film placing and fixing device, 3, conveying device, 4, edge pressing device, 5, cutting device, 10, core layer non-woven fabric, 11, frame platform, 12, core layer non-woven fabric unreeling machine, 13, core layer non-woven fabric pressing wheel set, 14, glue spraying device, 15, auxiliary wheel, 131, pressing wheel, 132, pressing wheel teeth, 141, glue storage tank, 142, fixed glue sprayer, 143, movable glue sprayer, 144, scraper, 21, membrane unreeling machine, 22, fixed pressing wheel set, 221, fixed pressing wheel, 31, secondary auxiliary wheel, 40, prefabricated edge strip, 41, edge strip pressing machine, 42, edge fixing machine, 411, stainless steel strip feeding roller, 412, edge folding pressing die, 413, edge folding bottom die, 414, driving motor, 421, edge fixing frame, 422, driving rod, 423, edge fixing pressing plate, 424, edge fixing supporting plate, 425, hinge point, 51. a cutter frame 52 and a movable cutter.

Detailed Description

The technical solution of the present invention is further specifically described below by way of specific examples in conjunction with the accompanying drawings. It is to be understood that the practice of the invention is not limited to the following examples, and that any variations and/or modifications may be made thereto without departing from the scope of the invention.

In the present invention, all parts and percentages are by weight, unless otherwise specified, and the equipment and materials used are commercially available or commonly used in the art. The methods in the following examples are conventional in the art unless otherwise specified. The components or devices in the following examples are, unless otherwise specified, standard parts or parts known to those skilled in the art, the structure and principle of which are known to those skilled in the art through technical manuals or through routine experimentation.