High-performance tubular microfiltration membrane assembly

Abstract

The utility model discloses a high-performance tubular microfiltration membrane component which comprises a shell, the shell is of a hollow columnar structure, mounting holes are formed in the end faces of the two ends of the shell, and sewage pipes are arranged at the two ends of the shell in a communicated mode; the filter element is of a tubular structure and is arranged in the shell, the two ends of the filter element extend out of the shell through the mounting holes, and the filter element is in sealed connection with the shell; the temperature control mechanism comprises a plurality of heat conduction pipes arranged in the shell, the two ends of each heat conduction pipe are fixedly connected with the shell through end plates, and heaters are arranged in the heat conduction pipes in a sealed mode. According to the tubular micro-filtration membrane, the end plates play a role in supporting the heat conduction pipes, and sewage entering the shell can be heated through the heaters in the heat conduction pipes, so that the viscosity of the sewage is reduced, the filtration resistance is reduced, the flux of the tubular micro-filtration membrane is increased, and the filtration efficiency is improved; meanwhile, the tubular micro-filtration membrane can be in a normal working temperature through heating, the mechanical strength of the tubular micro-filtration membrane is improved, and the probability of damage of the tubular micro-filtration membrane is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to sewage treatment technical field especially relates to a high performance tubular microfiltration membrane module. BACKGROUND

[0002] The core of the tubular microfiltration membrane module is a microporous filter membrane, which is a porous membrane made of ultrahigh molecular polymer, with a pore size ranging from 0.1 to 1.0 microns. Combined with micro-flocculation technology, raw water can be separated from suspended particles, colloids, organic macromolecules, bacteria, and microorganisms under the driving force of 0.1 to 1.8 kg / cm2 pressure, thus purifying the water.

[0003] When using the tubular microfiltration membrane in low-temperature seasons, the viscosity of the feed liquid will significantly increase, resulting in a substantial increase in filtration resistance, which in turn causes a significant decrease in membrane flux and affects the filtration efficiency. In addition, extremely low temperatures can make the membrane material brittle, reducing its mechanical strength and increasing the risk of membrane filament breakage and other damage.

[0004] Therefore, it is necessary to improve the tubular microfiltration membrane module in the prior art. SUMMARY

[0005] The utility model aims to overcome the defects in the prior art and provide a high-performance tubular microfiltration membrane module that improves the mechanical strength and filtration efficiency of the tubular microfiltration membrane module in low-temperature environments.

[0006] To achieve the above-mentioned purpose, the specific technical solutions of the high-performance tubular microfiltration membrane module of the utility model are as follows:

[0007] A high-performance tubular microfiltration membrane module, comprising:

[0008] A housing, which is a hollow cylindrical structure, has mounting holes on both ends of the housing, and has sewage pipes connected to both ends of the housing;

[0009] A filter core, which is a tubular structure and is arranged inside the housing, extends to the outside of the housing through the mounting holes at both ends, and is sealingly connected to the housing.

[0010] A temperature control mechanism, which includes a plurality of heat pipes arranged inside the housing, is fixedly connected to the housing through end plates at both ends of the heat pipes, and has a heater arranged inside the heat pipes.

[0011] Preferably, the housing includes two semicircular cylindrical splicing parts, the splicing surfaces of the two splicing parts are flat and oppositely arranged, the outer peripheral surfaces of the two splicing parts are arc-shaped and oppositely arranged, the two sewage pipes are arranged on the two splicing parts, respectively, end covers are sealingly arranged on both ends of the housing, and at least one of the end covers is provided with a clean water pipe.

[0012] Preferably, the circumferential edges of the splicing surface are provided with limiting grooves, and sealing strips are inserted and matched in the limiting grooves.

[0013] Preferably, the two sides of the splicing surface are fixedly connected with second convex strips along the axial direction of the shell, and the second convex strips are provided with holes for penetrating bolt assemblies.

[0014] Preferably, the outer circumferential surfaces of the two ends of the splicing part are provided with first convex strips, and a flange ring is circumferentially arranged at the opening of the end cover, and the flange ring and the first convex strips are provided with holes for penetrating bolt assemblies.

[0015] Preferably, the end plate is provided with a mounting hole for penetrating the filter core, a sealing gasket is arranged between the end plate and the inner wall of the end portion of the shell, the sealing gasket is provided with a mounting hole for penetrating the filter core, and the sealing gasket is sealingly connected with the inner wall of the shell, the end plate and the filter core.

[0016] Preferably, the heat conducting pipe is further fixedly connected with a porous support plate, the porous support plate is provided with a mounting hole for penetrating the filter core, and the porous support plate is connected with the inner wall of the shell.

[0017] Preferably, the inner circumferential surface of the shell is circumferentially provided with a plurality of positioning grooves, the positioning grooves are spaced apart along the axial direction of the shell, and the outer edges of the porous support plate and the end plate are inserted and matched with the positioning grooves.

[0018] Preferably, the heat conducting pipes extend along the axial direction of the shell, the heat conducting pipes are distributed at equal angles around the axial center line of the shell, a pre-filter screen is fixedly connected between adjacent two heat conducting pipes, and each filter core is arranged on the inner side of the filter screen.

[0019] The high-performance tubular microfiltration membrane assembly has the following advantages: the end plate supports the heat conducting pipe, the heater inside the heat conducting pipe can heat the sewage entering the shell to reduce the viscosity of the sewage, reduce the filtration resistance, increase the flux of the tubular microfiltration membrane, and improve the filtration efficiency; meanwhile, the heating can also make the tubular microfiltration membrane work at a normal temperature, improve the mechanical strength, and reduce the probability of damage. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a structural schematic view of the tubular microfiltration membrane assembly of the utility model;

[0021] Figure 2 It is an exploded structural schematic view of the tubular microfiltration membrane assembly of the utility model;

[0022] Figure 3It is the installation structure schematic view of the temperature control mechanism of the utility model;

[0023] Figure 4 It is the structure schematic view of the splicing part of the utility model;

[0024] Figure 5 It is the structure schematic view of the temperature control mechanism of the utility model;

[0025] Figure 6 It is the sectional view of the temperature control mechanism of the utility model;

[0026] Marked in the figure: 1, shell, 2, filter core, 3, temperature control mechanism, 11, splicing part, 12, end cover, 13, sealing strip, 14, sealing gasket, 111, sewage pipe, 112, limiting groove, 113, positioning groove, 114, first convex strip, 115, mounting hole, 116, second convex strip, 121, clean water pipe, 122, flange ring, 301, end plate, 302, heat pipe, 303, porous support plate, 304, pre-filter screen, 305, heater. DETAILED DESCRIPTION

[0027] The specific embodiments of the utility model are further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.

[0028] "Top surface", "bottom", "bottom surface" are referenced to the normal use state of the tubular microfiltration membrane assembly, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a specific orientation, structure and operation, therefore, it cannot be understood as the limitation of the utility model.

[0029] As shown in Figures 1-3 A high-performance tubular microfiltration membrane assembly, comprising:

[0030] Shell 1, shell 1 is hollow cylindrical structure, both ends of shell 1 end face are provided with mounting hole 115, both ends of shell 1 are provided with sewage pipe 111 in communication;

[0031] Filter core 2, for tubular structure, and is arranged in the shell 1 inside, both ends thereof extend to the shell 1 outside through the mounting hole 115, and the filter core 2 is sealingly connected with the shell 1;

[0032] Temperature control mechanism 3, comprising a plurality of heat pipes 302 arranged in the shell 1 inside, both ends of the heat pipe 302 are fixedly connected with the shell 1 through the end plate 301, and the inside of the heat pipe 302 is closed and provided with a heater 305.

[0033] The pipe type microfiltration membrane assembly is used, sewage enters from the sewage pipe 111 at one end of the shell 1, and the sewage in the shell 1 has a certain water pressure, under the action of the water pressure, the sewage is purified by passing through the filter core 2, the filter core 2 is a pipe type microfiltration membrane, the purified clean water is discharged from the end of the filter core 2, and the remaining sewage is discharged from the sewage pipe 111 at the other end of the shell 1 to form concentrated liquid; the heat conducting pipe 302 is fixed in the shell 1 through the end plate 301, and the end of the heat conducting pipe 302 is closed through the end plate 301, so that the heater 302 is sealed in the heat conducting pipe 302, heat is generated through the heater 302, the sewage entering the shell 1 is heated, so that the viscosity of the sewage is reduced, the flux of the filter core 2 is improved, and the purification efficiency of the pipe type microfiltration membrane assembly on the sewage is improved; at the same time, after being heated by the heater 302, the filter core 2 can also be kept at a normal working temperature, so that the strength of the filter core 2 is stable and reliable, and the service life of the filter core 2 is prolonged.

[0034] Further improvement is that, as shown in Figure 2 The shell 1 includes two semicircular splicing parts 11, the splicing surfaces of the two splicing parts 11 are flat and oppositely arranged, the outer circumferential surfaces of the two splicing parts 11 are arc surfaces and oppositely arranged, the two sewage pipes 111 are arranged on the two splicing parts 11 respectively, the two ends of the shell 1 are both sealed and sleeved with end covers 12, and at least one of the end covers 12 is communicatively provided with a clean water pipe 121.

[0035] Specifically, the shell 1 is divided into two splicing parts 11 along the axial direction, when the filter core 2 is maintained, the two splicing parts 11 can be directly divided, so that the convenience of replacing and maintaining the filter core 2 is improved; the end cover 12 can hoop the end of the two splicing parts 11, so that the structure of the shell 1 combined by the two splicing parts 11 is more stable and firm; and the arrangement of the end cover 12 can also collect the clean water flowing out of the end of the filter core 1, and then discharge the clean water from the clean water pipe 121, so that the convenience of collecting clean water is improved; when the two end covers 12 are both provided with the clean water pipe 121, the flow of the two clean water pipes 121 can be controlled to generate water pressure on the inside of the filter core 2, so that reverse flushing of the filter core 2 is realized, and the cooperation of the two clean water pipes 121 can make the water flow in the inside of the filter core 2, so that the inside of the filter core 2 is washed, and the convenience of maintaining the pipe type microfiltration membrane assembly is improved.

[0036] Further improvement is that, as shown in Figure 4 The circumferential edges of the splicing surfaces are both provided with limiting grooves 112, and sealing strips 13 are inserted and matched in the limiting grooves 112. The limiting grooves 112 are arranged to position the sealing strips 13, and when the two splicing parts 11 are spliced and combined together, the sealing of the splicing parts of the two splicing parts 11 can be realized through the sealing strips 13, so that the sealing performance of the shell 1 is improved, and the probability of water leakage is reduced.

[0037] Further improvement is that, as shown in Figure 4As shown, the two sides of the splicing surface are fixedly connected with the second protrusions 116 along the axial direction of the shell 1, and the second protrusions 116 are provided with holes for penetrating the bolt assembly. After the two splicing parts 11 are spliced and combined, the second protrusions 116 on the two splicing parts 11 are fixed by the stud assembly, so that the two splicing parts 11 are combined more tightly, thereby improving the strength of the shell 1; and the second protrusions 116 also play the role of reinforcing ribs for improving the strength of the splicing part 11 and finally improving the strength of the microfiltration membrane assembly.

[0038] Further improvement is that, as shown in Figure 2 and 4 , the outer circumferential surface of the splicing part 11 at both ends is provided with the first protrusions 114, and the opening of the end cover 12 is provided with the flange ring 122 in the circumferential direction, and the flange ring 122 and the first protrusions 114 are provided with holes for penetrating the bolt assembly. A sealing ring is arranged between the end cover 12 and the outer circumferential surface of the splicing part 11 for sealing therebetween. The flange ring 122 and the first protrusions 114 are fixed by the bolt assembly, which can improve the firmness of the connection between the end cover 12 and the splicing part 11 and reduce the probability of the end cover 12 falling off.

[0039] Further improvement is that, as shown in Figure 3 , the end plate 301 is provided with the mounting hole 115 for penetrating the filter core 2, and a sealing gasket 14 is arranged between the end plate 301 and the inner wall of the end of the shell 1, and the sealing gasket 14 is provided with the mounting hole 115 for penetrating the filter core 2, and the sealing gasket 14 is sealingly connected with the inner wall of the shell 1, the end plate 301 and the filter core 2. The mounting holes 115 provided on the end plate 301 and the shell 1 can support the filter core 2 and improve the firmness of the installation of the filter core 2. Multiple filter cores 2 can be installed in the shell 1 at the same time, and the number of mounting holes 115 needs to be consistent with and correspond to the number of filter cores 2. The sealing gasket 14 can seal between the shell 1 and the filter core 2, between the end plate 301 and the filter core 2, and between the end plate 301 and the inner wall of the shell 1, so as to effectively isolate the sewage and the filtered clean water and ensure the purification effect of the tubular microfiltration membrane.

[0040] Further improvement is that, as shown in Figure 5 and 6As shown, the heat conduction pipe 302 is also fixedly connected with a porous support plate 303, the porous support plate 303 is provided with a mounting hole 115 for penetrating the filter element 2, and the porous support plate 303 is connected with the inner wall of the shell 1. The porous support plate 303 is arranged to fix the relative position between the filter element 2 and the shell 1, improve the stability of the installation of the filter element 2, and the porous support plate 303 can also play a role in uniform water flow, so that the water flow of the filter element 2 is uniform, and the water pressure of the filter element 2 is uniform, and the water purification efficiency of the filter element 2 is improved; the end plate 301, the porous support plate 303 and the heating pipe 305 are all made of stainless steel, and the three are integrally formed to improve the structural strength and corrosion resistance of the temperature control mechanism 3, and improve the supporting effect on the filter element 2; and the end plate 301 and the porous support plate 303 can also play a role in heat conduction, so that the heat is uniformly and quickly conducted to all parts of the inside of the shell 1, the uniformity of the temperature control inside the shell 1 is improved, the purification efficiency of the tubular microfiltration membrane assembly is improved, and the failure rate is reduced.

[0041] Further improvement is that, as shown in Figure 4 The inner circumferential surface of the shell 1 is circumferentially provided with a plurality of positioning grooves 113, and the positioning grooves 113 are distributed along the axial direction of the shell 1, and the outer edges of the porous support plate 303 and the end plate 301 are inserted and matched with the positioning grooves 113. The positioning grooves 113 limit the end plate 301 and the porous support plate 303, prevent the end plate 301 and the porous support plate 303 from moving inside the shell 1, thereby reducing the wear between the components and further improving the structural strength of the tubular microfiltration membrane assembly.

[0042] Further improvement is that, as shown in Figure 5 and 6 The heat conduction pipe 302 extends along the axial direction of the shell 1, and the heat conduction pipes 302 are distributed at equal angles around the axis of the shell 1, and the front filter screen 304 is fixedly connected between the adjacent two heat conduction pipes 302, and each filter element 2 is arranged on the inner side of the filter screen. The setting of the filter screen 304 can pre-filter the sewage, thereby reducing the water purification pressure of the filter element 2, prolonging the service life of the filter element 2, and improving the water purification efficiency; and the filter screen 304 can also be made of stainless steel, which can improve the strength and corrosion resistance, and also play a role in heat conduction, accelerate the conduction speed and uniformity of heat in the shell 1, and improve the water purification efficiency of the tubular microfiltration membrane assembly.

[0043] It can be understood that the utility model is described through some embodiments, and the person skilled in the art knows that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. In addition, under the guidance of the utility model, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the application belong to the scope protected by the utility model.

Claims

1. A high performance tubular microfiltration membrane module, characterized in that, Include: The shell (1) is a hollow cylindrical structure, both ends of the shell (1) are provided with mounting hole (115), both ends of the shell (1) are communicated with sewage pipe (111); Filter core (2), for tubular structure, and set in the shell (1) inside, both ends thereof extend to the shell (1) outside through the mounting hole (115), the filter core (2) and the shell (1) are sealed connection; Temperature control mechanism (3), including a plurality of setting in the shell (1) inside heat pipe (302), both ends of the heat pipe (302) are fixedly connected with the shell (1) through end plate (301), the inside of the heat pipe (302) is closed and provided with heater (305).

2. The high performance tubular microfiltration membrane module according to claim 1, wherein, The shell (1) includes two half cylindrical splicing part (11), the splicing surface of two splicing part (11) is plane and opposite, the outer peripheral surface of two splicing part (11) is arc and opposite, two sewage pipe (111) is arranged on two splicing part (11) respectively, both ends of the shell (1) are sealed and provided with end cover (12), at least one of the end cover (12) is communicated and provided with clear water pipe (121).

3. The high performance tubular microfiltration membrane module according to claim 2, wherein, The circumferential edge of the splicing surface is provided with limiting groove (112), the limiting groove (112) is inserted and matched with sealing strip (13).

4. The high performance tubular microfiltration membrane module of claim 2, wherein, The two sides of the splicing surface are fixedly connected with second convex strip (116) along the axial direction of the shell (1), the second convex strip (116) is provided with hole for penetrating bolt assembly.

5. The high performance tubular microfiltration membrane module of claim 2, wherein, The outer peripheral surface of the splicing part (11) is provided with first convex strip (114), the opening of the end cover (12) is provided with flange ring (122) circumferentially, the flange ring (122) and the first convex strip (114) are provided with hole for penetrating bolt assembly.

6. The high performance tubular microfiltration membrane module of claim 1, wherein, The end plate (301) is provided with mounting hole (115) for penetrating the filter core (2), the sealing gasket (14) is arranged between the end plate (301) and the inner wall of the shell (1) end, the sealing gasket (14) is provided with mounting hole (115) for penetrating the filter core (2), the sealing gasket (14) is sealed with the inner wall of the shell (1), the end plate (301) and the filter core (2).

7. The high performance tubular microfiltration membrane module according to claim 6, wherein, The heat pipe (302) is further fixedly connected with porous support plate (303), the porous support plate (303) is provided with mounting hole (115) for penetrating the filter core (2), the porous support plate (303) is connected with the inner wall of the shell (1).

8. The high performance tubular microfiltration membrane module according to claim 7, wherein, The inner peripheral surface of the shell (1) is circumferentially provided with a plurality of positioning grooves (113), each positioning groove (113) is spaced apart along the axial direction of the shell (1), the outer edge of the porous support plate (303) and the end plate (301) is inserted and matched with the positioning groove (113).

9. The high performance tubular microfiltration membrane module according to claim 8, wherein, The heat-conducting pipes (302) extend along the axial direction of the shell (1), each of the heat-conducting pipes (302) is arranged at an equal angle around the axial line of the shell (1), and a pre-filter (304) is fixedly connected between two adjacent heat-conducting pipes (302), and each filter core (2) is arranged on the inner side of the pre-filter.

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