Sealing end cover for disc-tube type membrane module and disc-tube type membrane module

Abstract

The utility model discloses a sealing end cover for a disc tube type membrane component and the disc tube type membrane component, and particularly relates to the technical field of disc tube type membranes, the sealing end cover comprises a disc tube type membrane main body, a liquid inlet pipe and two liquid outlet pipes are fixedly arranged at the bottom end of the disc tube type membrane main body, the bottom end of the liquid inlet pipe is connected with a filtering component, the filtering component comprises an annular plate, and the annular plate is fixedly connected with the disc tube type membrane main body. The annular plate is fixedly arranged on the outer wall of the disc tubular membrane main body in a sleeving manner, filtering cavities are formed in the two sides of the top of the annular plate, a plurality of detachable filtering plates are fixedly arranged in the two filtering cavities, and a communicating pipe communicated with the interiors of the two filtering cavities is fixedly embedded in the bottom end of the annular plate. According to the utility model, the plurality of filter plates in the two filter cavities are used for primarily filtering liquid, so that impurities in the liquid can be reduced, the maintenance cost of the disc tube type membrane main body is reduced, the two electromagnetic valves can control the flow direction of the liquid, one of the two filter cavities is standby, and the other filter cavity is used, so that the filtering efficiency of the liquid can be reduced; and the filtering cavity can be conveniently cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of disc-tube membranes, in particular to a sealing end cover for a disc-tube membrane assembly and a disc-tube membrane assembly. Background Art

[0002] Disc-tube membrane module technology is a high-efficiency membrane separation technology. With the continuous breakthrough of technology, this product has occupied a considerable position in the domestic wastewater treatment range and has been widely used in waste filtrate treatment, municipal wastewater deep treatment, new water reuse, zero discharge of desulfurization wastewater from power plants, high salt water treatment, seawater desalination and other industrial water treatment. The existing disc-tube membrane module is connected by a tie rod to string the upper flange and the lower flange, the guide plate, and the membrane into the membrane shell. The two ends of the tie rod are locked and fixed by nuts and tie rods to clamp the guide plate.

[0003] For example, the prior art publication number is CN216472372U, in which the upper flange and the lower flange are made of injection-molded plastic parts, with a simple molding process and a short production cycle, which improves production efficiency. It can resist long-term tensile creep under high temperature and high pressure conditions, maintain good dimensional stability, and have a longer service life, and is particularly suitable for use under high concentration and low operating pressure conditions.

[0004] However, the above-mentioned prior art still has the following problems when in use: when the existing disc-tube membrane assembly is in use, when the liquid to be filtered is transported to the disc-tube membrane assembly, the debris in the liquid is easy to clog the disc-tube membrane assembly, and then the staff needs to frequently clean the disc-tube membrane assembly, which increases the maintenance cost. Based on this, the utility model provides a sealing end cover for a disc-tube membrane assembly and a disc-tube membrane assembly which can reduce the maintenance cost. Utility Model Content

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a sealing end cover and a disc-tube membrane assembly for a disc-tube membrane assembly, which performs preliminary filtration on the liquid through multiple filter plates in two filter chambers, thereby reducing the debris in the liquid, reducing the maintenance cost of the disc-tube membrane body, and facilitating the two solenoid valves to control the flow direction of the liquid. The two filter chambers are used in a backup mode, which not only reduces the filtration efficiency of the liquid, but also facilitates the cleaning of the filter chamber, so as to solve the problems arising from the above-mentioned background technology.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a disc-tube membrane assembly, comprising a disc-tube membrane body, a liquid inlet pipe and two liquid outlet pipes fixedly provided at the bottom end of the disc-tube membrane body, a filter assembly connected to the bottom end of the liquid inlet pipe, the filter assembly comprising a ring plate, the ring plate fixedly sleeved on the outer wall of the disc-tube membrane body, filter cavities are provided on both sides of the top of the ring plate, a plurality of detachable filter plates are fixedly provided inside the two filter cavities, a connecting pipe connected to the inside of the two filter cavities is fixedly embedded at the bottom end of the ring plate, the bottom end of the connecting pipe is connected to the liquid inlet pipe, a three-way pipe is fixedly passed through both sides of the ring plate, the two ends of the three-way pipe are respectively connected to the inside of the two filter cavities, and sealing covers are hinged on the top of the two filter cavities for sealing the filter cavities.

[0007] In a preferred embodiment, a high-pressure water pump is fixedly embedded at the bottom end of the ring plate, and the high-pressure water pump is connected to the connecting pipe to increase the pressure of the delivered liquid.

[0008] In a preferred embodiment, solenoid valves are fixedly provided at both ends of the three-way pipe, and the two solenoid valves are respectively fixed on the outer walls of both sides of the ring plate. The two solenoid valves can automatically control the opening and closing of the three-way pipe.

[0009] The utility model also includes a sealing end cover used in a disc-tube membrane assembly, including two cover plates, which are respectively fixed to the top and bottom ends of the disc-tube membrane body by a plurality of bolts. Annular grooves are provided on the outer side wall surfaces of the two cover plates, and a rubber sealing ring is provided in each annular groove. The rubber sealing ring contacts the inner wall of the disc-tube membrane body to improve the sealing between the cover plate and the disc-tube membrane body.

[0010] In a preferred embodiment, the outer walls of the two cover plates are both covered with protective covers, and the two protective covers are both covered on the outer wall of the disc-tube membrane body. The protective covers are used to protect the cover plates and multiple bolts to prevent the cover plates and bolts from being loosened due to collision.

[0011] In a preferred embodiment, sliders are fixedly provided on the inner walls on both front and rear sides of the two protective covers, and sliding grooves are provided on the top and bottom on both front and rear sides of the disc tube membrane body. The sliders are arranged in the sliding grooves to facilitate the adjustment of the position of the protective covers, thereby facilitating the removal of the cover plates.

[0012] In a preferred embodiment, the outer wall of each slider is threadedly connected with a second bolt, and the second bolt is threadedly connected to the inner wall of the slide groove for fixing the slider, thereby improving the stability of the protective cover.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model performs preliminary filtration on the liquid through multiple filter plates in two filter chambers, so as to reduce the impurities in the liquid, reduce the maintenance cost of the disc-tube membrane body, and facilitate the two solenoid valves to control the flow direction of the liquid. The two filter chambers are used in a standby mode, which can not only reduce the filtration efficiency of the liquid, but also facilitate the cleaning of the filter chamber.

[0015] 2. By setting a height-adjustable protective cover, the cover plate and multiple bolts can be protected by the protective cover, so as to avoid collision between the bolts and the cover plate, which may affect the sealing performance between the cover plate and the disc-tube membrane body. At the same time, the position of the protective cover can be adjusted to facilitate the staff to disassemble the cover plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a bottom view of the overall structure of the utility model;

[0018] Figure 3 This is a rear view of the overall structure of the utility model;

[0019] Figure 4 This is the internal diagram of the ring plate of the utility model;

[0020] Figure 5 This is a structural diagram of the cover plate and protective cover of the utility model.

[0021] The reference numerals are: 1, disc-tube membrane body; 2, liquid inlet pipe; 3, liquid outlet pipe; 4, filter assembly; 5, tee pipe; 6, sealing cover; 7, high-pressure water pump; 8, solenoid valve; 9, cover plate; 10, bolt 1; 11, annular groove; 12, rubber sealing ring; 13, protective cover; 14, slider; 15, slide groove; 16, bolt 2;

[0022] 401, ring plate; 402, filter chamber; 403, filter plate; 404, connecting pipe. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Refer to the instruction manual Figure 1-Figure 5The utility model provides a disc-tube membrane assembly, including a disc-tube membrane body 1, a liquid inlet pipe 2 and two liquid outlet pipes 3 are fixedly provided at the bottom end of the disc-tube membrane body 1, a filter assembly 4 is connected to the bottom end of the liquid inlet pipe 2, and the filter assembly 4 includes a ring plate 401, the ring plate 401 is fixedly sleeved on the outer wall of the disc-tube membrane body 1, and filter cavities 402 are opened on both sides of the top of the ring plate 401, and a plurality of detachable filter plates 403 are fixedly provided inside the two filter cavities 402;

[0025] Next, a connecting pipe 404 connected to the inside of the two filter chambers 402 is fixedly embedded at the bottom end of the ring plate 401, and the bottom end of the connecting pipe 404 is connected to the liquid inlet pipe 2. A three-way pipe 5 is fixedly passed through both sides of the ring plate 401, and the two ends of the three-way pipe 5 are respectively connected to the inside of the two filter chambers 402. The top ends of the two filter chambers 402 are hinged with sealing covers 6 for sealing the filter chambers 402;

[0026] In addition, a high-pressure water pump 7 is fixedly embedded at the bottom end of the ring plate 401, and the high-pressure water pump 7 is connected to the connecting pipe 404 to increase the pressure of the conveyed liquid. Solenoid valves 8 are fixedly provided at both ends of the three-way pipe 5. The two solenoid valves 8 are respectively fixed on the outer walls on both sides of the ring plate 401. The use of two solenoid valves 8 can automatically control the opening and closing of the three-way pipe 5.

[0027] When in use, the liquid transported into the disc-tube membrane body 1 is first transported to the two filter chambers 402 respectively through the three-way pipe 5, and the liquid filtered by the multiple filter plates 403 is then transported to the liquid inlet pipe 2 through the high-pressure water pump 7 and the connecting pipe 404. The liquid is filtered by the multiple filter plates 403 and preliminarily filtered, thereby reducing the clogging of the disc-tube membrane body 1 by debris in the liquid. Then, the liquid is filtered by the disc-tube membrane body 1 and then flows out from one of the liquid outlet pipes 3, thereby completing the filtration of the liquid. After a period of use, the staff can first close the solenoid valve 8 on the left side of the ring plate 401 to allow all the liquid to flow into the right filter chamber 402 for filtering treatment, thereby avoiding affecting the filtration efficiency of the liquid. Then, the sealing cover 6 on the left side of the ring plate 401 can be opened to disassemble the multiple filter plates 403 for cleaning. After the cleaning is completed, the filter chamber 402 and the filter plate 403 on the right are cleaned according to the above operation.

[0028] Refer to the instruction manual Figure 1-Figure 5 The utility model provides a sealing end cover, including two cover plates 9, which are respectively fixed to the top and bottom ends of the disc-tube membrane body 1 by a plurality of bolts 10, and an annular groove 11 is provided on the outer wall surface of the two cover plates 9, and a rubber sealing ring 12 is provided in each annular groove 11, and the rubber sealing ring 12 contacts the inner wall of the disc-tube membrane body 1, so as to improve the sealing performance between the cover plate 9 and the disc-tube membrane body 1;

[0029] In addition, protective covers 13 are sleeved on the outer walls of the two cover plates 9, and the two protective covers 13 are sleeved on the outer wall of the disc-tube membrane body 1, and the protective covers 13 are used to protect the cover plates 9 and the plurality of bolts 10 to prevent the cover plates 9 and the bolts 10 from being loosened due to collision;

[0030] Moreover, sliders 14 are fixedly provided on the inner walls on both front and rear sides of the two protective covers 13. Slide grooves 15 are provided on the top and bottom on both front and rear sides of the disc tube type membrane body 1. The sliders 14 are arranged in the slide grooves 15 to facilitate the adjustment of the position of the protective covers 13, thereby facilitating the removal of the cover plate 9. The outer wall of each slider 14 is threadedly connected with a bolt 16, and the bolt 16 is threadedly connected to the inner wall of the slide groove 15 for fixing the slider 14, thereby improving the stability of the protective cover 13.

[0031] By arranging two rubber sealing rings 12 on the cover plate 9, the sealing performance between the cover plate 9 and the disc-tube membrane body 1 is greatly improved by utilizing the two rubber sealing rings 12, and at the same time, a plurality of bolts 10 are used to fix the cover plate 9, so as to facilitate the disassembly and assembly of the cover plate 9 for inspection and replacement, and protective covers 13 are arranged on the outsides of the two cover plates 9, and the protective covers 13 are used to protect the cover plate 9 and the plurality of bolts 10 on the cover plate 9, so as to avoid collision between the bolts 10 and the cover plate 9, which may affect the sealing performance between the cover plate 9 and the disc-tube membrane body 1. When the cover plate 9 needs to be disassembled, it is only necessary to loosen the bolts 16 to remove the protective cover 13 from the outside of the plurality of bolts 10.

[0032] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A disc-tube membrane module, comprising a disc-tube membrane body (1), wherein a liquid inlet pipe (2) and two liquid outlet pipes (3) are fixedly provided at the bottom end of the disc-tube membrane body (1), characterized in that: The bottom end of the liquid inlet pipe (2) is connected to a filter assembly (4); The filter assembly (4) comprises a ring plate (401), the ring plate (401) being fixedly sleeved on the outer wall of the disc-tube membrane body (1), filter cavities (402) being provided on both sides of the top of the ring plate (401), a plurality of detachable filter plates (403) being fixedly provided inside the two filter cavities (402), a connecting pipe (404) being fixedly embedded at the bottom end of the ring plate (401) and being connected to the inside of the two filter cavities (402), and the bottom end of the connecting pipe (404) being connected to the liquid inlet pipe (2); A three-way pipe (5) is fixedly passed through both sides of the ring plate (401), and both ends of the three-way pipe (5) are respectively connected to the inside of the two filter chambers (402), and the top ends of the two filter chambers (402) are hinged with a sealing cover (6) for sealing the filter chamber (402).

2. The disc-tube membrane module according to claim 1, characterized in that: A high-pressure water pump (7) is fixedly embedded at the bottom end of the ring plate (401), and the high-pressure water pump (7) is connected to the connecting pipe (404) and is used to increase the liquid pressure.

3. The disc-tube membrane module according to claim 1, characterized in that: Solenoid valves (8) are fixedly provided at both ends of the three-way pipe (5). The two solenoid valves (8) are respectively fixed to the outer walls of both sides of the ring plate (401) and are used to control the opening and closing of the three-way pipe (5).

4. A sealing end cap used for a disc-tube membrane module according to any one of claims 1 to 3, characterized in that: The invention comprises two cover plates (9), the two cover plates (9) being fixed to the top and bottom ends of a disc-tube membrane body (1) respectively by means of a plurality of bolts (10), an annular groove (11) being provided on the outer wall surfaces of the two cover plates (9), a rubber sealing ring (12) being provided in each annular groove (11), the rubber sealing ring (12) being in contact with the inner wall of the disc-tube membrane body (1) and being used for improving the sealing performance between the cover plates (9) and the disc-tube membrane body (1).

5. The sealing end cover according to claim 4, characterized in that: The outer walls of the two cover plates (9) are both sleeved with protective covers (13), and the two protective covers (13) are both sleeved on the outer wall of the disc-tube membrane body (1) and are used to protect the cover plates (9) and the plurality of bolts (10).

6. The sealing end cover according to claim 5, characterized in that: Slide blocks (14) are fixedly provided on the inner walls of both front and rear sides of the two protective covers (13), and slide grooves (15) are provided on the top and bottom of both front and rear sides of the disc tube type membrane body (1), and the slide blocks (14) are arranged in the slide grooves (15) to facilitate supporting the protective covers (13).

7. The sealing end cover according to claim 6, characterized in that: The outer wall of each slider (14) is threadedly connected to a second bolt (16), and the second bolt (16) is threadedly connected to the inner wall of the slide groove (15) for fixing the slider (14).

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