Production process of three-dimensional biological disc

By mixing PVDC and PE particles to form three-dimensional, dynamic filaments, which are then cooled and bonded together, cut into shape, and subjected to secondary hot pressing, the complexity of biological disc production and the problem of stain accumulation are solved, enabling low-cost and highly efficient production of clean biological discs.

CN121018982APending Publication Date: 2025-11-28CHANGZHOU WENWEI PIPE FITTING MOLD CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511090560.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-05
Publication Date
2025-11-28

AI Technical Summary

Technical Problem

The existing biological disc production process is complex, resulting in high production costs. Furthermore, the disc filaments are fine and irregularly arranged, making them prone to accumulating dirt, resulting in poor purification effects and poor environmental performance.

Method used

The mixture of PVDC and PE granules is extruded into filaments using an extrusion molding machine. These filaments are then subjected to three-dimensional deformation using automated tooling. After cooling, they are bonded together, and after removing moisture, they are cut and shaped. Finally, they are hot-pressed again to avoid the need for glue adhesion.

Benefits of technology

It simplifies the production process, reduces costs, extends the lifespan of the discs, prevents stain buildup, improves purification efficiency, and is environmentally friendly.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN121018982A_ABST
    Figure CN121018982A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of three-dimensional biological discs, and discloses a three-dimensional biological disc production process, which comprises: S1, mixing PVDC microparticles with a diameter of 0.1 MM and PE particles according to a certain ratio, adding a compatibilizer and a plasticizer to prepare new PVDC material particles, and carrying out extrusion molding on the new PVDC material particles so as to obtain the three-dimensional biological disc, a plurality of linear filaments are formed by extrusion molding equipment through a special tool and a mold, the diameter is about 0.8-1mm, the filaments in liquid can be subjected to three-dimensional change through the matching of an automatic tool in the flowing-out process, and a plurality of intricate viscous tencel filaments are formed, are overlapped and cooled and are adhered together due to physical characteristics, so that the tencel filaments are not prone to falling off. And S2, cooling water passing through the cooling water tank flows to a guide wheel end, a semi-finished product is conveyed to the other end under the action of traction force to be subjected to moisture removal, after moisture removal, the semi-finished product is detected by equipment capable of automatically detecting the height, and the semi-finished product is cut by a special mold after passing through a detection opening, so that the process is simple, the biological disc is conveniently produced, and the production cost is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of three-dimensional biological disc, and particularly relates to a production process of a three-dimensional biological disc. BACKGROUND

[0002] Rotating Biological Contactor, RBC for short, is a biological membrane method for sewage treatment technology, which was created in the 1960s in the former Federal Republic of Germany, and is developed on the basis of a biological filter, also known as an immersed biological filter. The process has the advantages of flexible system design, convenient installation, simple operation, reliable system, low operation and running cost, and does not need aeration or sludge return, thereby saving energy, and a high purification effect can be obtained in a relatively short contact time. The process is widely used in the treatment of various domestic sewage and industrial sewage. The mechanism of purifying organic matter is basically the same as that of a biological filter, but the structural form is different from that of a biological filter. The production process of the existing biological disc is complex, resulting in high production cost. Therefore, a production process of a three-dimensional biological disc is provided.

[0003] The production process of the existing biological disc is complex, resulting in high production cost. The existing biological disc is thin and arranged irregularly, which can easily cause dirt accumulation and secondary pollution. The purification effect is poor, and it is not convenient to clean, thereby affecting the service life of the biological disc. In addition, the structure of the existing biological disc is bonded by glue, which can cause secondary pollution of water and poor environmental protection when in contact with water during use. SUMMARY

[0004] The present application aims to provide a production process of a three-dimensional biological disc to solve the problems of the existing biological disc, such as complex production process, high production cost, thin and irregular arrangement, dirt accumulation, secondary pollution, poor purification effect, inconvenience to clean, and poor environmental protection.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a production process of a three-dimensional biological disc, which comprises the following steps:

[0006] S1, the PVDC micro-particles with a diameter of 0.1mm and PE particles are mixed in a certain proportion, and a new PVDC material particle is made by adding a compatibility agent and a plasticizer, and a plurality of linear filaments with a diameter of about 0.8-1mm are formed by an extrusion molding device through a special tool and a mold. The filaments in the liquid are subjected to three-dimensional changes by the cooperation of the automatic tool during the outflow process, and a plurality of viscous tencel superimposed in a complex manner is formed. After cooling, the filaments are adhered together due to physical properties.

[0007] S2, the semi-finished product is transported to the other end for water removal under the action of traction force after the cooling flow through the cooling water tank. After the water is removed, a device for automatically detecting the height detects, and a special mold cuts after passing through the detection port to obtain the required semi-finished product of various shapes.

[0008] S3, the semi-finished product is placed and stacked for a period of time, and then is subjected to secondary hot pressing in the mold. The mold needs to be precisely adjusted and specially structured to obtain a multiple molding state. After cooling, the edges are trimmed and the inner hole is processed to obtain the required finished product.

[0009] Preferably, a production process of a three-dimensional biological disc comprises the following components:

[0010] PVDC powder accounts for 30%-35%;

[0011] PE accounts for 45-50%;

[0012] Plastic phase flux 9-12%;

[0013] Lubricant 0.5%-1%;

[0014] Toughening agent 0.5-0.8%.

[0015] Preferably, the composition of the biological disc A contains PVDC powder: 35%, PE: 50%, plastic phase flux: 12%, lubricant: 1%, and toughening agent 0.8%.

[0016] Preferably, the composition of the biological disc B contains PVDC powder: 33%, PE: 48%, plastic phase flux: 10%, lubricant: 1%, and toughening agent 0.8%.

[0017] Preferably, the composition of the biological disc C contains PVDC powder: 30%, PE: 45%, plastic phase flux: 9%, lubricant: 1%, and toughening agent 0.8%.

[0018] Preferably, the extruder extrusion formula is Q=D x π x n x s ÷ 60.

[0019] Preferably, Q in the calculation formula is the extrusion amount, i.e., unit: kg / h, D is the screw diameter, i.e., unit: CM, n is the screw rotating speed, i.e., unit: r / min, and s is the screw stroke per minute.

[0020] Preferably, the extruder is a double-screw extruder, and the temperature of the extruder outlet is 115 DEG C.

[0021] Preferably, the mold temperature is controlled at 85 DEG C, the pressure is not less than 60T, and the mold opening time is not less than 200 seconds.

[0022] Compared with the prior art, the present application has the following beneficial effects:

[0023] 1、The present application collects the required materials before starting work, then cleans the collected raw materials, and then the staff mixes the PVDC microparticles with a diameter of 0.1mm and PE particles under the action of the machine, adds a compatible agent and a plasticizer to make particles of a new PVDC material, and forms a plurality of linear filaments with a diameter of about 0.8-1mm through the extrusion molding equipment and special tooling and molds.

[0024] 2、After the product is extruded, the filament-shaped semi-finished product is cooled in the cooling water tank and then flows to the guide wheel end, and under the action of the traction force, the semi-finished product is transported to the other end for water removal.

[0025] 3、The present application is not a layer-by-layer staggered structure, and when used, it is not easy to accumulate dirt, thereby improving the service life of the bio-disc. BRIEF DESCRIPTION OF DRAWINGS

[0026] Fig. 1The ingredient content table of the bio-disc of the present application;

[0027] Fig. 2 The operation logic code of the double screw extruder of the present application. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work are within the protection scope of the present application.

[0029] Embodiment one:

[0030] Referring to Figs. 1-2 The production process of the present embodiment includes the following steps:

[0031] S1, before starting work, collect the required materials, then clean the collected raw materials, then the workers mix the PVDC microparticles and PE particles with a diameter of 0.1mm under the action of the machine, add the compatibilizer and plasticizer to make new PVDC particles, and then pass through the extrusion molding equipment through special tooling and molds to form several linear filaments with a diameter of about 0.8-1mm. The filaments in the liquid will change in three dimensions during the flowing process through the cooperation of automatic tooling, forming a complex many sticky tencel superimposed, and after cooling, they will stick together due to physical properties, so that the process is simple, convenient for producing bio-discs, and reduces production costs.

[0032] S2, after the product is extruded, the filament-shaped semi-finished product is cooled by the cooling water tank and flows to the guide wheel end, and under the action of the traction force, the semi-finished product is transported to the other end for water removal. After the water is removed, the equipment with automatic height detection function detects it, and after passing through the detection port, the special mold cuts it to obtain the required semi-finished product of various shapes. The filaments in the liquid will change in three dimensions during the flowing process through the cooperation of automatic tooling, forming a complex many sticky tencel superimposed, and after cooling, they will stick together due to physical properties, and then remove the water, and after passing through the detection port, the special mold cuts it to obtain the required semi-finished product of various shapes. Then, secondary hot pressing is performed, which is not a layer-by-layer staggered structure, and is not easy to accumulate dirt during use, thereby improving the service life of the bio-disc.

[0033] S3, and after the semi-finished product is statically placed and stacked for a period of time and then is subjected to secondary hot-press forming in a mold, the mold needs to be precisely adjusted and specially structured, and after cooling, trimming treatment and inner hole treatment are performed to obtain the required finished product, the semi-finished product of the application is subjected to static placement and stacking for a period of time and then is subjected to secondary hot-press forming in a mold, and does not need to be bonded by using glue, thus being environmentally friendly.

[0034] In the embodiment, a production process of a three-dimensional biological disc is provided, and a composition of the three-dimensional biological disc comprises:

[0035] The PVDC powder accounts for 30-35%;

[0036] The PE accounts for 45-50%;

[0037] The plastic phase solvent accounts for 9-12%;

[0038] The lubricant accounts for 0.5-1%;

[0039] The toughening agent accounts for 0.5-0.8%.

[0040] In the embodiment, the composition of the biological disc A comprises 35% of PVDC powder, 50% of PE, 12% of plastic phase solvent, 1% of lubricant and 0.8% of toughening agent.

[0041] In the embodiment, the composition of the biological disc B comprises 33% of PVDC powder, 48% of PE, 10% of plastic phase solvent, 1% of lubricant and 0.8% of toughening agent.

[0042] In the embodiment, the composition of the biological disc C comprises 30% of PVDC powder, 45% of PE, 9% of plastic phase solvent, 1% of lubricant and 0.8% of toughening agent.

[0043] In the embodiment, the extrusion formula of the extruder is Q=D x pi x n x s / 60.

[0044] In the embodiment, Q in the formula is the extrusion amount, i.e., kg / h, D is the screw diameter, i.e., CM, n is the screw rotation speed, i.e., r / min, and s is the screw stroke per minute.

[0045] In the embodiment, the extruder is a double-screw extruder, and the temperature of the extruder outlet is 115 DEG C.

[0046] In the embodiment, the mold temperature is controlled at 85 DEG C, the pressure is not less than 60T, and the mold opening time is not less than 200 seconds.

[0047] The results show that the filaments in the liquid will change in three dimensions through the cooperation of the automatic tool during the flowing process, form a lot of interlaced viscous Tencel superimposed, and adhere together due to physical properties after cooling, so that the process is simple, the biological disc is convenient to produce, and the production cost is reduced.

[0048] Example Two:

[0049] The difference features from example one are:

[0050] The cleaning process of the embodiment includes the following steps:

[0051] S1, before the work starts, the required materials are collected, and then the collected raw materials are cleaned, then the workers mix PVDC microparticles and PE particles with a diameter of 0.1 mm under the action of the machine, increase the compatibility agent and plasticizer to make new PVDC material particles, pass through the extrusion molding equipment through special tooling and mold to form several linear filaments with a diameter of about 0.8-1 mm, the filaments in the liquid will change in three dimensions through the cooperation of the automatic tool during the flowing process, form a lot of interlaced viscous Tencel superimposed, and adhere together due to physical properties after cooling, so that the process is simple, the biological disc is convenient to produce, and the production cost is reduced.

[0052] S2, after the product is extruded, the filament-shaped semi-finished product is cooled by the cooling water tank and flows to the guide wheel end, under the action of the traction force, the semi-finished product is transported to the other end for water removal, after the water is removed, the equipment with automatic height detection detects, after passing through the detection port, the special mold cuts to obtain the required semi-finished product of various shapes, the filaments in the liquid will change in three dimensions through the cooperation of the automatic tool during the flowing process, form a lot of interlaced viscous Tencel superimposed, and adhere together due to physical properties after cooling, then remove the water, after passing through the detection port, the special mold cuts to obtain the required semi-finished product of various shapes, then perform secondary hot pressing molding, which is not a layer-by-layer staggered structure, and is not easy to accumulate dirt during use, thereby improving the service life of the biological disc.

[0053] S3, and after the semi-finished product is placed and accumulated for a period of time, it is subjected to secondary hot pressing molding in the mold, the mold needs to be precisely adjusted and specially structured to obtain a multiple molding state, and then edge trimming and inner hole processing are performed after cooling to obtain the required finished product, the semi-finished product of the embodiment is placed and accumulated for a period of time, and then subjected to secondary hot pressing molding in the mold, without using glue for bonding, which is environmentally friendly.

[0054] In the embodiment, a production process of a three-dimensional biological disc includes the following components:

[0055] PVDC powder accounts for 30% to 35%;

[0056] PE accounts for 45 to 50%;

[0057] Plastic phase flux 9 to 12%;

[0058] Lubricant 0.5% to 1%;

[0059] Toughening agent 0.5 to 0.8%.

[0060] In this embodiment, the composition of the biological disc A contains PVDC powder: 34%, PE: 49%, plastic phase flux: 11%, lubricant: 1%, and toughening agent 0.8%.

[0061] In this embodiment, the composition of the biological disc B contains PVDC powder: 32%, PE: 47%, plastic phase flux: 9%, lubricant: 1%, and toughening agent 0.8%.

[0062] In this embodiment, the composition of the biological disc C contains PVDC powder: 31%, PE: 46%, plastic phase flux: 9.5%, lubricant: 1%, and toughening agent 0.8%.

[0063] In this embodiment, the extruder extrusion formula is: Q=Dxπxnxs÷60.

[0064] In this embodiment, Q in the calculation formula is the extrusion amount, i.e., kg / h, D is the screw diameter, i.e., CM, n is the screw speed, i.e., r / min, and s is the screw stroke per minute.

[0065] In summary: the process flow of the present application in the first embodiment is simple, compared with the process cleaning result in the second embodiment, the silk in the liquid in the present application will change in three dimensions during the outflow process with the cooperation of the automatic tool, forming a complex and many viscous tencel superimposed, after cooling, due to the physical properties of adhesion together, and then removing the moisture, after passing through the detection port, the special mold is cut, and the required various shape semi-finished products are obtained, and then the secondary hot pressing is carried out, which is not a layer-by-layer staggered structure, and is not easy to accumulate stains during use, thereby improving the service life of the biological disc.

[0066] It is to be understood that the terminology used herein such as first and second, and the like, is only used to distinguish one entity or action from another entity or action, and does not necessarily require or imply any such actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0067] While embodiments of the present application have been shown and described with reference to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. The scope of the application is defined by the appended claims and their equivalents.

Claims

1. A manufacturing process for a three-dimensional biological disc, characterized in that: Its production process includes the following steps: S1. Mix 0.1 mm diameter PVDC microparticles and PE particles in a certain ratio, add compatibilizer and plasticizer to make new PVDC material particles, and form several linear filaments with a diameter of about 0.8 to 1 mm through extrusion molding equipment and special tooling and mold. The filaments in the liquid will undergo three-dimensional changes in the process of flowing out with the cooperation of automated tooling, forming a complex superposition of many viscous Tencels. After cooling, they stick together due to physical properties. S2. After being cooled by the cooling water tank, the semi-finished product is transferred to the guide wheel end and transported to the other end for moisture removal under the action of traction. After the moisture is removed, an automatic height detection device is used for detection. After passing through the detection port, a special mold is used for cutting to obtain the required semi-finished products of various shapes. S3. After a period of resting and stacking, the semi-finished product is then subjected to secondary hot pressing in the mold. The mold needs to be precisely adjusted and specially designed to achieve multiple forming processes. After cooling, the edges are trimmed and the inner hole is processed to obtain the desired finished product.

2. A three-dimensional biological disc based on the manufacturing process of a three-dimensional biological disc according to claim 1, characterized in that: One type of three-dimensional biological disc is composed of: PVDC powder accounts for 30% to 35%; PE ratio is 45-50%; Plasticizing flux 9-12%; Lubricant 0.5%–1%; Toughening agent 0.5-0.8%.

3. A three-dimensional biological disc according to claim 2, characterized in that: The composition of the biological disc A is as follows: PVDC powder: 35%, PE: 50%, plasticizer: 12%, lubricant: 1%, toughening agent: 0.8%.

4. A three-dimensional biological disc according to claim 2, characterized in that: The composition of the biological disc B is as follows: PVDC powder: 33%, PE: 48%, plasticizer: 10%, lubricant: 1%, toughening agent: 0.8%.

5. A three-dimensional biological disc according to claim 2, characterized in that: The composition of the bio-disc C is as follows: PVDC powder: 30%, PE: 45%, plasticizer: 9%, lubricant: 1%, toughening agent: 0.8%.

6. The manufacturing process of a three-dimensional biological disc according to claim 1, characterized in that: The extrusion formula for the extruder is: Q = D × π × n × s ÷ 60.

7. The manufacturing process of a three-dimensional biological disc according to claim 6, characterized in that: In the calculation formula, Q is the extrusion rate (kg / h), D is the screw diameter (cm), n is the screw speed (r / min), and s is the screw stroke per minute.

8. The manufacturing process of a three-dimensional biological disc according to claim 1, characterized in that: The extruder used is a twin-screw extruder, and the temperature at the extrusion nozzle is 115 degrees Celsius.

9. The manufacturing process of a three-dimensional biological disc according to claim 1, characterized in that: The mold temperature is controlled at 85℃, the pressure is not less than 60T, and the mold opening time is not less than 200 seconds.