Antifouling column type ultrafiltration membrane mechanism and filtering device

Abstract

The utility model relates to the technical field of sewage treatment, in particular to an antifouling column type ultrafiltration membrane mechanism and a filtering device, the antifouling column type ultrafiltration membrane mechanism is used for filtering industrial sewage, the antifouling column type ultrafiltration membrane mechanism comprises a filter pipe and a filter membrane assembly installed on the filter pipe, the filter pipe comprises a first end cover and a pipe body, the first end cover is provided with a water inlet and a water outlet, and the pipe body is provided with a water outlet. The pipe body is provided with an inner cavity and detachably connected with the first end cover, the inner cavity is communicated with the water inlet and the water outlet, the filter membrane assembly is installed on the pipe body and comprises a sealing layer and filter wires, the sealing layer is connected with the pipe body and arranged between the water inlet and the water outlet so as to divide the inner cavity into a filtering area and a filtrate area, the filtering area is communicated with the water inlet, and the filtrate area is communicated with the filter wire. The filtrate area is communicated with the water outlet. According to the antifouling column type ultrafiltration membrane mechanism disclosed by the utility model, the filter membrane assembly mounted on the pipe body can be separated from the first end cover by disassembling the pipe body, so that the filter wires of the filter membrane assembly are cleaned, and the purposes of increasing the cleaning and maintenance convenience of the filter membrane assembly and prolonging the service life of the antifouling column type ultrafiltration membrane mechanism are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to sewage treatment technical field especially relates to a kind of anti-fouling column type ultrafiltration membrane mechanism and filter device. BACKGROUND

[0002] In today's industrial development, the treatment of enterprise sewage has become a key problem of environmental protection and sustainable development. The early enterprise sewage treatment method mainly has physical sedimentation, chemical neutralization or physical filtration. In traditional technology, such as the utility model patent with patent number CN202311463282.4, a kind of ultrafiltration membrane sewage filter device is disclosed. The ultrafiltration membrane sewage filter device comprises a filter tank and a water inlet pipe. The water inlet pipe is arranged at the lower side of the filter tank. The water pressure of the sewage entering the filter tank is controlled by a solenoid valve. This is beneficial to the full contact of the sewage with the ultrafiltration membrane inside. It prevents the low utilization rate of the filter membrane in the middle of the ultrafiltration membrane, improves the filtration efficiency of the sewage, and prolongs the service life of the ultrafiltration membrane. However, the ultrafiltration membrane of the ultrafiltration membrane sewage filter device is difficult to separate from the filter tank, which leads to poor convenience in cleaning and maintenance of the ultrafiltration membrane. There is a technical problem of poor service life of the anti-fouling column type ultrafiltration membrane mechanism. SUMMARY

[0003] The purpose of the present application is to provide an anti-fouling column type ultrafiltration membrane mechanism to solve the technical problem of poor service life of the anti-fouling column type ultrafiltration membrane mechanism in the prior art.

[0004] An anti-fouling column type ultrafiltration membrane mechanism comprises a filter pipe and a filter membrane assembly installed on the filter pipe. The filter pipe comprises a first end cover and a pipe body. The first end cover is provided with a water inlet and a water outlet. The pipe body is provided with an inner cavity and is detachably connected with the first end cover. The inner cavity is in communication with the water inlet and the water outlet. The filter membrane assembly is installed on the pipe body. The filter membrane assembly comprises a sealing layer and filter wires. The sealing layer is connected with the pipe body and is arranged between the water inlet and the water outlet to divide the inner cavity into a filtration zone and a filtrate zone. The filtration zone is in communication with the water inlet, and the filtrate zone is in communication with the water outlet. The filter wires are connected with the sealing layer. Part of the filter wires are arranged in the filtration zone, and the other part of the filter wires extend into the filtrate zone through the sealing layer.

[0005] In one embodiment, the filter pipe further comprises a second end cover connected with one end of the pipe body away from the first end cover and provided with a waste liquid outlet in communication with the inner cavity. The waste liquid outlet is in communication with the filtration zone.

[0006] In one embodiment, the filter wires comprise wire pipes and blocking layers. The wire pipes have filter cavities in communication with the filtrate zone and are connected with the sealing layer. The blocking layers block one end of the filter cavities away from the sealing layer.

[0007] In one of the embodiments, the filter wire tube is a PVDF filter wire tube.

[0008] In one of the embodiments, the sealing layer is a glue layer.

[0009] In one of the embodiments, the filter wire tube is glued to the sealing layer.

[0010] In one of the embodiments, the filter tube comprises a clamp, a pull rod and an actuator, the clamp is provided with an annular clamping groove and an avoiding opening, and has a fixed end and a free end, the annular clamping groove is clamped with the first end cover and the tube body, the avoiding opening is clamped with the annular clamping groove and is located between the fixed end and the free end, the pull rod is rotationally connected with the fixed end and rotates around the fixed end to embed the free end, and the actuator moves along the pull rod and drives the free end to approach the fixed end.

[0011] The anti-fouling column type ultrafiltration membrane mechanism provided by the application has the beneficial effects that the inner cavity of the tube body is divided into a filtering area and a filtrate area by the sealing layer of the filter membrane assembly, the filtering area is communicated with the water inlet of the first end cover, the filtrate area is communicated with the water outlet of the first end cover, the filter wire is connected with the sealing layer, and the tube body is detachably connected with the first end cover, which is beneficial to the industrial wastewater entering the filtering area from the water inlet, being filtered by the filter wire and being discharged from the water outlet through the filtrate area during filtration, and the filter membrane assembly installed on the tube body can be separated from the first end cover by detaching the tube body during cleaning, so that the filter wire of the filter membrane assembly can be cleaned, the cleaning and maintenance convenience of the filter membrane assembly is improved, and the service life of the anti-fouling column type ultrafiltration membrane mechanism is prolonged.

[0012] A filter device comprises the anti-fouling column type ultrafiltration membrane mechanism of any one of the above, the number of the anti-fouling column type ultrafiltration membrane mechanisms is multiple, and the multiple anti-fouling column type ultrafiltration membrane mechanisms are connected in series with each other, wherein the waste liquid outlet of the upstream anti-fouling column type ultrafiltration membrane mechanism is communicated with the water inlet of the downstream anti-fouling column type ultrafiltration membrane mechanism, and the filter device further comprises a water outlet pipe communicated with the water outlets of the anti-fouling column type ultrafiltration membrane mechanisms.

[0013] The filter device provided by the application has the beneficial effects that the multiple anti-fouling column type ultrafiltration membrane mechanisms are connected in series with each other, which is beneficial to containing more industrial wastewater compared with one anti-fouling column type ultrafiltration membrane mechanism, so as to improve the filtration efficiency of the filter device, and the water outlets of the multiple anti-fouling column type ultrafiltration membrane mechanisms are connected in parallel through the water outlet pipe, which is beneficial to improving the water outlet efficiency of the filter device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1The structure schematic diagram of the anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model.

[0015] Figure 2 The anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model. Figure 1 The structure schematic diagram of the anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model.

[0016] Figure 3 The anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model. Figure 2 The structure schematic diagram of the anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model.

[0017] Figure 4 The anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model. Figure 1 The structure schematic diagram of the anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model.

[0018] Figure 5 The structure schematic diagram of the anti-fouling column type ultrafiltration membrane mechanism is shown in the utility model.

[0019] The meaning of the reference signs in the drawings is as follows:

[0020] 100, anti-fouling column type ultrafiltration membrane mechanism;

[0021] 10, filter pipe; 11, first end cover; 111, water inlet; 112, water outlet; 12, pipe body; 121, inner cavity; 122, filtration zone; 123, filtrate zone; 13, second end cover; 131, waste liquid port; 14, clamp; 141, annular clamping groove; 142, avoiding port; 15, pull rod; 16, actuator;

[0022] 20, filter membrane assembly; 21, sealing layer; 22, filter wire;

[0023] 200, filter device; 201, water outlet pipe. DETAILED DESCRIPTION

[0024] In order to make the above object, features and advantages of the utility model more apparent, the specific embodiments of the utility model are explained in detail below in combination with the drawings. In the following description, a lot of specific details are set forth in order to fully understand the utility model. But the utility model can be implemented in many other ways different from the description, and the person skilled in the art can make similar improvements without violating the connotation of the utility model, so the utility model is not limited by the following disclosed specific embodiments.

[0025] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0026] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, for example, two, three, etc., unless otherwise specifically limited.

[0027] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, it can be the communication or interaction relationship between two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0029] It is to be understood that when an element such as a layer, region or substrate is referred to as being "on" or "connected to" another element, it can be directly on or connected to the other element or intervening elements can be present. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. It will be understood that, when a member is referred to as being "coupled" or "connected" to another member, it can be directly coupled or connected to the other member or intervening members can be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0030] As shown in Figure 1 The anti-fouling column type ultrafiltration membrane mechanism 100 is used for filtering industrial wastewater.

[0031] As shown in Figures 1 to 3 The anti-fouling column type ultrafiltration membrane mechanism 100 comprises a filter pipe 10 and a filter membrane assembly 20 installed on the filter pipe 10. The filter pipe 10 comprises a first end cover 11 and a pipe body 12. The first end cover 11 is provided with a water inlet 111 and a water outlet 112. The pipe body 12 is provided with an inner cavity 121 and detachably connected with the first end cover 11. The inner cavity 121 is in communication with the water inlet 111 and the water outlet 112. The filter membrane assembly 20 is installed on the pipe body 12. The filter membrane assembly 20 comprises a sealing layer 21 and filter wires 22. The sealing layer 21 is connected with the pipe body 12 and arranged between the water inlet 111 and the water outlet 112 to divide the inner cavity 121 into a filtering area 122 and a filtrate area 123. The filtering area 122 is in communication with the water inlet 111, and the filtrate area 123 is in communication with the water outlet 112. The filter wires 22 are connected with the sealing layer 21. Part of the filter wires 22 are arranged in the filtering area 122, and the other part of the filter wires 22 extends through the sealing layer 21 into the filtrate area 123. The anti-fouling column type ultrafiltration membrane mechanism 100 divides the inner cavity 121 of the pipe body 12 into the filtering area 122 and the filtrate area 123 by the sealing layer 21 of the filter membrane assembly 20. The filtering area 122 is in communication with the water inlet 111 of the first end cover 11, and the filtrate area 123 is in communication with the water outlet 112 of the first end cover 11. The filter wires 22 are connected with the sealing layer 21. The pipe body 12 is detachably connected with the first end cover 11. During the filtration, the industrial wastewater enters the filtering area 122 from the water inlet 111 and is discharged from the water outlet 112 through the filtrate area 123 after being filtered by the filter wires 22. During the cleaning, the filter membrane assembly 20 installed on the pipe body 12 can be separated from the first end cover 11 by detaching the pipe body 12, so as to clean the filter wires 22 of the filter membrane assembly 20, thereby increasing the cleaning and maintenance convenience of the filter membrane assembly 20 and prolonging the service life of the anti-fouling column type ultrafiltration membrane mechanism 100.

[0032] Hereinafter, the anti-fouling column type ultrafiltration membrane mechanism 100 will be further described in combination with Figures 1 to 4

[0033] As shown in Figure 3 ​As shown, the filter wire 22 comprises a wire tube and a sealing layer, the wire tube has a filter cavity communicating with the filtrate area 123 and is connected with the sealing layer 21, and the sealing layer seals one end of the filter cavity away from the sealing layer 21, wherein the wire tube is a PVDF filter wire 22, the sealing layer is a glue layer, the glue layer is urethane glue, and the wire tube is glued with the sealing layer 21, and in use, the sealing layer 21 and the filter wire 22 are bonded and sealed by the glue layer.

[0034] For example, in order to realize the detachable connection of the first end cover 11 and the pipe body 12, as shown in Figure 4 As shown, the filter pipe 10 comprises a clamp 14, a pull rod 15 and an actuator 16, the clamp 14 is provided with an annular clamping groove 141 and an avoiding opening 142, and has a fixed end and a free end, the annular clamping groove 141 is clamped with the first end cover 11 and the pipe body 12, the avoiding opening 142 is clamped with the annular clamping groove 141 and is located between the fixed end and the free end, the pull rod 15 is rotationally connected with the fixed end and rotates around the fixed end to embed the free end, and the actuator 16 moves along the pull rod 15 and drives the free end to approach the fixed end, wherein the pull rod 15 is a threaded rod, and the actuator 16 is a hand screw nut.

[0035] In use, the fixed end and the free end of the clamp 14 are separated to expand the annular clamping groove 141, the flanges of the first end cover 11 and the pipe body 12 are clamped into the annular clamping groove 141, then the pull rod 15 is rotated to embed the free end, and finally the free end is driven by the actuator 16 to approach the fixed end to shrink the clamping groove, so as to realize the clamping of the first end cover 11 and the pipe body 12 into the annular clamping groove 141.

[0036] In order to improve the convenience of discharging waste liquid, as shown in Figure 2 As shown, the filter pipe 10 further comprises a second end cover 13, the second end cover 13 is connected with one end of the pipe body 12 away from the first end cover 11 and is provided with a waste liquid port 131 communicating with the inner cavity 121, and the waste liquid port 131 communicates with the filtration area 122, and in this way, the waste liquid port 131 communicates with the filtration area 122, which is beneficial to effectively avoid the accumulation of waste liquid in the filtration area 122, so as to improve the convenience of discharging waste liquid.

[0037] As can be understood, the second end cover 13 is detachably connected with the pipe body 12, and in order to improve the assembly efficiency, as shown in Figure 1 and Figure 2 As shown, the filter pipe 10 realizes the detachable connection of the second end cover 13 and the pipe body 12 through another set of clamp 14, pull rod 15 and actuator 16.

[0038] The anti-fouling column ultrafiltration membrane mechanism 100 provided in the application is used in the following way: industrial wastewater enters the filtration area 122 from the water inlet 111, and after being filtered by the filter wire 22, the industrial wastewater enters the filtrate area 123, and finally is discharged through the water outlet 112 communicating with the filtrate area 123.

[0039] The filter membrane assembly 20 of the anti-fouling column type ultrafiltration membrane mechanism 100 provided in the application needs to be cleaned when:

[0040] I. Separate the fixed end and the free end of the split clamp 14, expand the annular clamping groove 141, and control the flange of the pipe body 12 to be separated from the annular clamping groove 141, so as to clean the filter wire 22 of the filter membrane assembly 20 in the pipe body 12.

[0041] II. Inject clean water into the filtrate area 123 through the water outlet 112, the clean water performs backwashing on the filter wire 22 through the filter cavity of the filter wire 22, and the stains after washing are discharged through the waste liquid outlet 131, so as to clean the filter wire 22.

[0042] As shown in Figure 5 , it is the filter device 200 shown in the utility model, which comprises the above-mentioned anti-fouling column type ultrafiltration membrane mechanism 100.

[0043] In order to improve the filtering efficiency of the filter device 200, as shown in Figure 5 , the number of the anti-fouling column type ultrafiltration membrane mechanism 100 is multiple, and the multiple anti-fouling column type ultrafiltration membrane mechanisms 100 are connected in series, wherein the waste liquid outlet 131 of the upstream anti-fouling column type ultrafiltration membrane mechanism 100 is communicated with the water inlet 111 of the downstream anti-fouling column type ultrafiltration membrane mechanism 100, and the multiple anti-fouling column type ultrafiltration membrane mechanisms 100 are connected in series, which is conducive to accommodating more industrial wastewater relative to one anti-fouling column type ultrafiltration membrane mechanism 100, so as to improve the filtering efficiency of the filter device 200.

[0044] In order to improve the filtering efficiency of the filter device 200, as shown in Figure 5 , the number of the anti-fouling column type ultrafiltration membrane mechanism 100 is multiple, and the filter device 200 further comprises a water outlet pipe 201 connected with the water outlets 112 of the anti-fouling column type ultrafiltration membrane mechanisms 100, and the water outlets 112 of the multiple anti-fouling column type ultrafiltration membrane mechanisms 100 are connected in parallel through the water outlet pipe 201, which is conducive to improving the water outlet efficiency of the filter device 200.

[0045] The technical features of the above-mentioned embodiments can be combined arbitrarily, and in order to make the description simple, all possible combinations of the technical features in the above-mentioned embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0046] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. An antifouling column ultrafiltration membrane mechanism characterized by, The application relates to a filter tube and a filter membrane assembly. The filter tube comprises a first end cover and a tube body, the first end cover is provided with a water inlet and a water outlet, the tube body is provided with an inner cavity and detachably connected with the first end cover, and the inner cavity is communicated with the water inlet and the water outlet. The filter membrane assembly is installed on the tube body, the filter membrane assembly comprises a sealing layer and filter wires, the sealing layer is connected with the tube body and arranged between the water inlet and the water outlet to divide the inner cavity into a filtering area and a filtrate area, the filtering area is communicated with the water inlet, the filtrate area is communicated with the water outlet, the filter wires are connected with the sealing layer, part of the filter wires are arranged in the filtering area, and the other part of the filter wires penetrates through the sealing layer and extends into the filtrate area.

2. The antifouling capillary ultrafiltration membrane mechanism according to claim 1, characterized in that, The filter tube further comprises a second end cover, the second end cover is connected with one end of the tube body away from the first end cover and provided with a waste liquid outlet communicated with the inner cavity, and the waste liquid outlet is communicated with the filtering area.

3. The antifouling capillary ultrafiltration membrane mechanism according to claim 1, characterized in that, The filter wires comprise wire tubes and blocking layers, the wire tubes have filter cavities communicated with the filtrate area and are connected with the sealing layer, and the blocking layers block one end of the filter cavities away from the sealing layer.

4. The antifouling capillary ultrafiltration membrane mechanism according to claim 3, characterized in that, The wire tubes are PVDF filter wires.

5. The antifouling capillary ultrafiltration membrane mechanism according to claim 3, characterized in that, The blocking layers are glue layers.

6. The antifouling capillary ultrafiltration membrane mechanism according to claim 3, characterized in that, The wire tubes are glued with the sealing layer.

7. The antifouling capillary ultrafiltration membrane mechanism according to claim 1, characterized in that, The filter tube comprises a clamp, a pull rod and an actuator, the clamp is provided with an annular clamping groove and an avoiding opening, has a fixed end and a free end, the annular clamping groove is clamped with the first end cover and the tube body, the avoiding opening is clamped with the annular clamping groove and located between the fixed end and the free end, the pull rod is rotationally connected with the fixed end and rotates around the fixed end to be embedded in the free end, and the actuator moves along the pull rod and drives the free end to be close to the fixed end.

8. A filter device, characterized in that The application relates to a filter tube and a filter membrane assembly.

9. The filter device of claim 8, wherein, The number of the anti-fouling column type ultrafiltration membrane mechanisms is multiple, and the anti-fouling column type ultrafiltration membrane mechanisms are connected in series.

10. The filter device of claim 8, wherein, The number of the anti-fouling column type ultrafiltration membrane mechanisms is multiple, and the filter device further comprises a water outlet pipe communicated with the water outlets of the anti-fouling column type ultrafiltration membrane mechanisms.

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