CN214681069U

CN214681069U - Novel laboratory is with combination formula dynamic membrane subassembly

Info

Publication number: CN214681069U
Application number: CN202120329411.0U
Authority: CN
Inventors: 黄菊; 刘国强; 范中亚; 郭静; 罗千里; 陈钢; 胡艳芳; 陈昭婷; 曾凡棠; 张进
Original assignee: Jinan University; South China Institute of Environmental Science of Ministry of Ecology and Environment
Current assignee: Jinan University; South China Institute of Environmental Science of Ministry of Ecology and Environment
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-11-12
Anticipated expiration: 2031-02-05

Abstract

The utility model relates to the technical field of sewage treatment, and discloses a novel combined dynamic membrane component for a laboratory, which comprises a first section of membrane component, a second section of membrane component and a base material; the first section of membrane element comprises a first substrate fixing seat, a first supporting plate and a second supporting plate; two first substrate fixing bases set up relatively, circumference interval distribution is followed to first backup pad, the both ends of first backup pad are connected with two first substrate fixing bases respectively, the second backup pad is the annular, the length direction interval distribution of first backup pad is followed to the second backup pad, the second backup pad is the cross setting with first backup pad, in order to form the rectangle that a plurality of and first section film element inner chamber communicate and cross the water hole, the substrate cladding is in the rectangle periphery that crosses the water hole, the both ends of substrate are fixed in first substrate fixing base, continue a section film element and one of them first substrate fixing base threaded connection. The beneficial effects are that: convenient assembly, small volume, low cost and no influence on the normal operation of the dynamic membrane bioreactor after disassembly.

Description

Novel laboratory is with combination formula dynamic membrane subassembly

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to novel laboratory is with combination formula dynamic membrane subassembly.

Background

The biological membrane has great application potential in the field of solid-liquid separation because of the porosity and selective permeability. For example, the dynamic membrane bioreactor utilizes the self-generated biological membrane to separate sludge and water, and has the advantages of large flux, small membrane passing resistance, low effluent turbidity, easy cleaning and the like. In the dynamic membrane bioreactor, low-cost substrates (such as non-woven fabrics, nylon nets, metal nets and the like) with the pore diameter of 20-100 microns are often used as a supporting layer for the attachment and growth of the biological membrane. The application, treatment effect and structural characteristics of dynamic membrane bioreactor in various sewage treatment fields become the research hot spot of new generation membrane technology. However, most of membrane assemblies in the field are plate-shaped or columnar, are mostly integral and occupy large space; and after the membrane element is damaged, the membrane element is difficult to update. Is not suitable for the tracking research of membrane pollution or the change of a dynamic membrane structure along with time in a laboratory.

Therefore, it is desirable to provide a membrane module that is easy to assemble, small, inexpensive, and does not interfere with the normal operation of the reactor after disassembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a novel laboratory combined dynamic membrane component which has simple and reasonable structure, convenient assembly, small volume, low cost and no influence on the normal operation of the dynamic membrane bioreactor after disassembly.

The purpose of the utility model is realized through the following technical scheme: a novel combined dynamic membrane component for a laboratory comprises a first section of membrane component, a second section of membrane component and a base material; the first section of membrane element comprises a first substrate fixing seat, a first supporting plate and a second supporting plate; two first substrate fixing base sets up relatively, and circumference interval distribution is followed to first backup pad, the both ends of first backup pad are connected with two first substrate fixing bases respectively, the second backup pad is the annular, the length direction interval distribution of first backup pad is followed to the second backup pad, the second backup pad is the cross setting with first backup pad to form the rectangle water hole of crossing of a plurality of and first section film element inner chamber intercommunication, the substrate cladding is in the periphery in rectangle water hole of crossing, the both ends of substrate are fixed in first substrate fixing base, continue a section membrane element and one of them first substrate fixing base threaded connection.

Furthermore, the first section of membrane element also comprises a first water outlet pipe and an inwards concave threaded section; one first substrate fixing seat of the first section of membrane element is provided with an inwards concave threaded section, the first water outlet pipe is located in an area surrounded by the inwards concave threaded section, one end of the first water outlet pipe penetrates through the first substrate fixing seat and then is communicated with an inner cavity of the first section of membrane element, the other end of the first water outlet pipe extends outwards, the film continuing element is in threaded connection with the inwards concave threaded section, and the film continuing element is communicated with the other end of the first water outlet pipe.

Furthermore, the inner sides of the first support plate and the second support plate enclose an inner cavity of the first membrane element, the outer sides of the first support plate and the second support plate enclose a rectangular water through hole, and the thickness of the first support plate and the second support plate is gradually reduced from inside to outside.

Further, the film joint element comprises a second substrate fixing seat, a third supporting plate and a fourth supporting plate; the two second substrate fixing seats are oppositely arranged, the third supporting plate is distributed at intervals along the circumferential direction, two ends of the third supporting plate are respectively connected with the two second substrate fixing seats, the fourth supporting plate is annular, the fourth supporting plate is distributed at intervals along the length direction of the third supporting plate, the fourth supporting plate and the third supporting plate are arranged in a cross shape to form a plurality of rectangular water passing holes communicated with the inner cavity of the film splicing element, the substrate is coated on the periphery of the rectangular water passing holes, two ends of the substrate are fixed on the second substrate fixing seats, and one of the second substrate fixing seats of the film splicing element is in threaded connection with one of the first substrate fixing seats of the first film splicing element.

Furthermore, the continuous section membrane element also comprises a convex threaded section, a concave threaded section, a water inlet pipe and a second water outlet pipe; an outer convex thread section is installed on the upper end face of one of the second substrate fixing seats in the film joint element, the water inlet pipe is located in an area surrounded by the outer convex thread section and communicated with the inner cavities of the first film joint element and the film joint element, an inner concave thread section is formed in the other second substrate fixing seat of the film joint element, the second water outlet pipe is located in an area surrounded by the inner concave thread section, one end of the second water outlet pipe is communicated with the inner cavity of the film joint element, the other end of the second water outlet pipe extends outwards, and the outer convex thread section of the film joint element is in threaded connection with the inner concave thread section of the first film joint element.

Further, the inner sides of the third support plate and the fourth support plate enclose an inner cavity of the diaphragm joint element, the outer sides of the third support plate and the fourth support plate enclose a rectangular water through hole, and the thickness of the third support plate and the fourth support plate is gradually reduced from inside to outside.

Further, the first substrate fixing seat comprises a first cover plate, a second cover plate and a fixing column; the diameters of the first cover plate and the second cover plate are equal and larger than the outer diameter of the fixing column, and the first cover plate and the second cover plate are respectively installed at the upper end and the lower end of the fixing column to form a base material fixing groove.

Furthermore, the number of the continuous membrane elements is several, and the several continuous membrane elements are connected in turn by screw threads.

Further, the diaphragm device also comprises rubber gaskets, and the rubber gaskets are clamped between the first section of the diaphragm element and the second section of the diaphragm element and between the second section of the diaphragm element and the second section of the diaphragm element.

Further, the base material is a nylon filter screen, a non-woven fabric or a metal mesh.

Compared with the prior art, the utility model has the advantages that

1. The utility model provides a through threaded connection between first section membrane element and the continuation membrane element, convenient dismantlement and equipment, every continuation membrane element structure is unanimous, can increase and decrease membrane element quantity according to actual demand, when doing membrane pollution or developments membrane characteristic research, can take out single membrane element at different time quantums and carry out the analysis, and can not influence membrane bioreactor's normal operating. The utility model provides a film element is small, can directly print the generation, convenient and fast through the 3D printing technique.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a first membrane element according to the invention;

FIG. 2 is a schematic cross-sectional view of a first membrane element wrapped around a substrate according to the present invention;

FIG. 3 shows a schematic structural view of a knotted membrane element in accordance with the present invention;

FIG. 4 shows a schematic cross-sectional view of a film element wrapped around a substrate according to the present invention;

FIG. 5 shows a schematic structural view of a medium male thread and a female thread according to the present invention;

in the figure, 1 is a first membrane element; 101 is a first substrate holder; 102 is a first supporting plate; 103 is a second support plate; 104 is a first water outlet pipe; 105 is a first cover plate; 106 is a second cover plate; 107 is a fixed column; 2 is a continuous section membrane element; 201 is a second substrate holder; 202 is a third support plate; 203 is a fourth supporting plate; 204 is a water inlet pipe; 205 is a second water outlet pipe; 3 is a base material; 4 is a concave thread section; 5 is a convex thread section; 6 is a rectangular water through hole.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Example (b):

the novel combined dynamic membrane module for the laboratory as shown in fig. 1-4 comprises a first membrane element 1, a second membrane element 2 and a base material 3; the first section of membrane element 1 comprises a first substrate fixing seat 101, a first supporting plate 102 and a second supporting plate 103; the two first substrate holders 101 are oppositely arranged, the first supporting plates 102 are circumferentially distributed at intervals, thereby enclosing a ring shape, the two ends of the first supporting plate 102 are respectively connected with the two first substrate fixing seats 101, the second support plate 103 is ring-shaped, the second support plates 103 are distributed at intervals along the length direction of the first support plate 102, the second support plates 103 penetrate into the first support plate 102, thereby being arranged in a cross way with the first supporting plate 102 to form a plurality of rectangular water through holes 6 communicated with the inner cavity of the first membrane element 1, the substrate 3 is coated on the periphery of the rectangular water through hole 6, two ends of the substrate 3 are fixed on the first substrate fixing seat 101 through a hoop, the continuous membrane element 2 is in threaded connection with one of the first substrate fixing seats 101, and the other first substrate fixing seat 101 blocks the top end of the first membrane element to prevent sewage from flowing out of the top of the first membrane element. The number of the diaphragm elements 2 may be one or several, several diaphragm elements 2 being in turn screwed together. Threaded connection between the membrane elements, the assembly and disassembly are convenient, the structures of the first section of membrane element 1 and the second section of membrane element 2 are similar, and the number of the second section of membrane element 2 can be increased or decreased according to actual conditions in the use process without influencing the normal operation of the membrane bioreactor. The first section of membrane element 1 and the second section of membrane element can be directly printed and generated by a 3D printing technology, and the method is convenient and fast.

As shown in fig. 2 and 5, the first membrane element 1 further comprises a first water outlet pipe 104 and a concave threaded section 4; one first substrate fixing seat 101 of the first section of membrane element 1 is provided with an inner concave threaded section 4, the first water outlet pipe 104 is located in an area surrounded by the inner concave threaded section 4, one end of the first water outlet pipe 104 penetrates through the first substrate fixing seat 101 and then is communicated with an inner cavity of the first section of membrane element 1, the other end of the first water outlet pipe 104 extends outwards, an outer convex threaded section 5 of the film splicing element 2 is in threaded connection with the inner concave threaded section 4 of the first section of membrane element 1, and the other end of the first water outlet pipe 104 extends into the inner cavity of the film splicing element 2.

The inner sides of the first support plate 102 and the second support plate 103 enclose an inner cavity of the first section of membrane element 1, the outer sides of the first support plate 102 and the second support plate 103 enclose a rectangular water through hole 6, and the rectangular water through hole 6 is communicated with the inner cavity of the first section of membrane element 1. The thicknesses of the first supporting plate 102 and the second supporting plate 103 are gradually reduced from inside to outside, so that the contact area between the supporting plates and the substrate 3 can be reduced while better mechanical strength is kept, and the water passing area of the substrate 3 is increased.

As shown in fig. 3 and 4, the diaphragm element 2 includes a second substrate holder 201, a third support plate 202, and a fourth support plate 203; the two second substrate fixing seats 201 are oppositely arranged, the third supporting plate 202 is circumferentially distributed at intervals to form an annular shape, two ends of the third supporting plate 202 are respectively connected with the two second substrate fixing seats 201, the fourth supporting plate 203 is annular, the fourth supporting plate 203 is circumferentially distributed at intervals along the length direction of the third supporting plate 202, the fourth supporting plate 203 is inserted into the third supporting plate 202 to be crosswise arranged with the third supporting plate 202 to form a plurality of rectangular water passing holes 6 communicated with the inner cavity of the film continuing element 2, the substrate 3 is coated on the periphery of the rectangular water passing holes 6, two ends of the substrate 3 are fixed on the second substrate fixing seats 201 through the existing clamp, and one of the second substrate fixing seats 201 of the film continuing element 2 is in threaded connection with one of the first substrate fixing seats 101 of the first film element 1. When the number of the film joint element 2 is one, the other second substrate holder 201 of the film joint element 2 is communicated with the outside; when the film continuous elements 2 are plural, another second substrate holder 201 of the film continuous element 2 is connected to the next film continuous element 2, the subsequent film continuous elements 2 are connected in sequence, and the tail end of the last film continuous element 2 is communicated with the outside.

The diaphragm element 2 as shown in fig. 4 and 5 further comprises a male threaded section 5, a female threaded section 4, a water inlet pipe 204 and a second water outlet pipe 205; an outer convex thread section 5 is installed on the upper end surface of one of the second substrate fixing seats in the film joint element 2, the water inlet pipe 204 is located in an area enclosed by the outer convex thread section 5 and is communicated with the inner cavities of the first film element 1 and the film joint element 2, an inner concave thread section 4 is arranged on the other second substrate fixing seat 201 of the film joint element 2, the second water outlet pipe 205 is located in an area enclosed by the inner concave thread section 4, one end of the second water outlet pipe 205 is communicated with the inner cavity of the film joint element 2, and the other end of the second water outlet pipe extends outwards. When the number of the continuous membrane elements 2 is one, the convex threaded section 5 of the continuous membrane element 2 is in threaded connection with the concave threaded section 4 of the first membrane element 1, meanwhile, the first water outlet pipe 104 is connected with the water inlet pipe 204, and the second water outlet pipe 205 is communicated with the outside. When the number of the film continuous-section elements 2 is several, the external convex thread section 5 of the subsequent film continuous-section element 2 is in threaded connection with the internal concave thread section 4 of the previous film continuous-section element 2, the second water outlet pipe 205 of the previous film continuous-section element 2 is connected with the water inlet pipe 204 of the next film continuous-section element 2, and the second water outlet pipe 205 of the film continuous-section element 2 at the tail end is communicated with the outside. The first section of membrane element 1 is connected with a plurality of continuous section membrane elements 2 and is placed into the membrane bioreactor to run, a dynamic membrane with a special structure can be formed on the surface of the substrate 3, when the properties of the dynamic membrane need to be researched in a specific time period, one continuous section membrane element 2 can be taken down or one continuous section membrane element can be replaced for research and analysis, and the membrane bioreactor can continue to run normally.

The inner sides of the third support plate 202 and the fourth support plate 203 enclose an inner cavity of the diaphragm element 2, the outer sides of the third support plate 202 and the fourth support plate 203 enclose a rectangular water through hole 6, and the thickness of the third support plate 202 and the fourth support plate 203 is gradually reduced from inside to outside. Through the arrangement, the contact area of the support plate and the substrate 3 can be reduced while better mechanical strength is kept, and the water passing area of the substrate 3 is increased.

The first substrate fixing seat 101 comprises a first cover plate 105, a second cover plate 106 and fixing columns 107; the diameters of the first cover plate 105 and the second cover plate 106 are equal and larger than the outer diameter of the fixing column 107, the first cover plate 105 and the second cover plate 106 are respectively installed at the upper end and the lower end of the fixing column 107 to form a substrate fixing groove, and the substrate 3 is fixed in the substrate fixing groove through an existing clamp. The second substrate holder 201 has the same structure as the first substrate holder 101. The first substrate fixing seat 101 located at the upper end of the first section of membrane element 1 is used for sealing an upper end opening of an inner cavity of the first section of membrane element 1, the first substrate fixing seat 101 located at the lower end of the first section of membrane element 1 is internally provided with an internal thread section 4 in a second cover plate 106 and a fixing column 107, the first water outlet pipe 104 penetrates into an area enclosed by the internal thread section 4, and one end of the first water outlet pipe 104 is flush with the upper end face of the first cover plate, so that the first water outlet pipe is communicated with the inner cavity of the first section of membrane element 1. An outward-convex threaded section 5 is installed on a first cover plate of the second base material fixing seat 201 on the top of the film splicing element 2, the inward-convex threaded section 5 is hollow, a water inlet pipe 204 is installed in the outward-convex threaded section to the second cover plate, and a first water outlet pipe 104 is inserted into the water inlet pipe 204 so as to introduce water in the first section of film element 1 into the film splicing element 2. The second base material fixing seat 201 and the threaded section at the bottom of the continuous membrane element 2 are arranged the same as the bottom of the first membrane element.

The diaphragm membrane component is characterized by further comprising rubber gaskets, wherein the rubber gaskets are arranged between the inner concave thread section 4 of the first diaphragm element 1 and the outer convex thread section 5 of the second diaphragm element 2, and between the inner concave thread section 4 of the second diaphragm element 2 and the outer convex thread section 5 of the next second diaphragm element 2, so that water seepage is prevented.

The base material 3 is a nylon filter screen, non-woven fabric or metal mesh. Other fabrics and the like may be used as the substrate 3.

When in specific use: the first section of membrane element 1 and the plurality of successive membrane elements 2 are combined and placed in a bioreactor, microorganisms can be quickly attached to the surface of the substrate 3 to form a biological membrane, sewage is filtered by the biological membrane and the substrate 3 and then enters the inner cavity of the membrane element, and filtrate in the inner cavity enters the cavity of the next section of membrane element through a water outlet pipe (a first water outlet pipe or a second water outlet pipe) and is finally discharged from a second water outlet pipe 205 of the last section of successive membrane element 2.

The above-mentioned specific implementation is the preferred embodiment of the present invention, can not be right the utility model discloses the limit, any other does not deviate from the technical scheme of the utility model and the change or other equivalent replacement modes of doing all contain within the scope of protection of the utility model.

Claims

1. The utility model provides a novel laboratory is with combination formula dynamic membrane subassembly which characterized in that: comprises a first membrane element, a second membrane element and a base material; the first section of membrane element comprises a first substrate fixing seat, a first supporting plate and a second supporting plate; two first substrate fixing base sets up relatively, and circumference interval distribution is followed to first backup pad, the both ends of first backup pad are connected with two first substrate fixing bases respectively, the second backup pad is the annular, the length direction interval distribution of first backup pad is followed to the second backup pad, the second backup pad is the cross setting with first backup pad to form the rectangle water hole of crossing of a plurality of and first section film element inner chamber intercommunication, the substrate cladding is in the periphery in rectangle water hole of crossing, the both ends of substrate are fixed in first substrate fixing base, continue a section membrane element and one of them first substrate fixing base threaded connection.

2. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the first section of membrane element also comprises a first water outlet pipe and an inwards concave threaded section; one first substrate fixing seat of the first section of membrane element is provided with an inwards concave threaded section, the first water outlet pipe is located in an area surrounded by the inwards concave threaded section, one end of the first water outlet pipe penetrates through the first substrate fixing seat and then is communicated with an inner cavity of the first section of membrane element, the other end of the first water outlet pipe extends outwards, the film continuing element is in threaded connection with the inwards concave threaded section, and the film continuing element is communicated with the other end of the first water outlet pipe.

3. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the inner sides of the first support plate and the second support plate are enclosed to form an inner cavity of the first section of membrane element, the outer sides of the first support plate and the second support plate are enclosed to form a rectangular water through hole, and the thickness of the first support plate and the second support plate is gradually reduced from inside to outside.

4. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the film splicing element comprises a second substrate fixing seat, a third supporting plate and a fourth supporting plate; the two second substrate fixing seats are oppositely arranged, the third supporting plate is distributed at intervals along the circumferential direction, two ends of the third supporting plate are respectively connected with the two second substrate fixing seats, the fourth supporting plate is annular, the fourth supporting plate is distributed at intervals along the length direction of the third supporting plate, the fourth supporting plate and the third supporting plate are arranged in a cross shape to form a plurality of rectangular water passing holes communicated with the inner cavity of the film splicing element, the substrate is coated on the periphery of the rectangular water passing holes, two ends of the substrate are fixed on the second substrate fixing seats, and one of the second substrate fixing seats of the film splicing element is in threaded connection with one of the first substrate fixing seats of the first film splicing element.

5. The novel laboratory combined dynamic membrane module as claimed in claim 4, wherein: the joint membrane element also comprises a convex threaded section, a concave threaded section, a water inlet pipe and a second water outlet pipe; an outer convex thread section is installed on the upper end face of one of the second substrate fixing seats in the film joint element, the water inlet pipe is located in an area surrounded by the outer convex thread section and communicated with the inner cavities of the first film joint element and the film joint element, an inner concave thread section is formed in the other second substrate fixing seat of the film joint element, the second water outlet pipe is located in an area surrounded by the inner concave thread section, one end of the second water outlet pipe is communicated with the inner cavity of the film joint element, the other end of the second water outlet pipe extends outwards, and the outer convex thread section of the film joint element is in threaded connection with the inner concave thread section of the first film joint element.

6. The novel laboratory combined dynamic membrane module as claimed in claim 4, wherein: the inner sides of the third support plate and the fourth support plate enclose an inner cavity of a joint membrane element, the outer sides of the third support plate and the fourth support plate enclose a rectangular water through hole, and the thickness of the third support plate and the fourth support plate is gradually reduced from inside to outside.

7. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the first substrate fixing seat comprises a first cover plate, a second cover plate and a fixing column; the diameters of the first cover plate and the second cover plate are equal and larger than the outer diameter of the fixing column, and the first cover plate and the second cover plate are respectively installed at the upper end and the lower end of the fixing column to form a base material fixing groove.

8. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the number of the continuous membrane elements is several, and the several continuous membrane elements are in threaded connection in sequence.

9. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the diaphragm is characterized by further comprising rubber gaskets, and the rubber gaskets are clamped between the first section of diaphragm element and the second section of diaphragm element and between the second section of diaphragm element and the second section of diaphragm element.

10. The novel laboratory combined dynamic membrane module as claimed in claim 1, wherein: the base material is a nylon filter screen, non-woven fabric or metal mesh.