Separation membrane shell end plate fixing device

Abstract

The utility model discloses a separation membrane shell end plate fixing device which comprises a fastening plate, two crescent baffles are symmetrically arranged on the left side and the right side of the fastening plate, two fixing holes are formed in each of the left side face and the right side face of the fastening plate, and two inserting holes are formed in the side faces, close to the fastening plate, of the baffles in a penetrating mode. The inserting hole and the fixing hole are located on the same axis, a sliding rod is arranged in the fixing hole, the other end of the sliding rod is connected into the inserting hole in a sliding mode, the sliding rod is sleeved with a spring, and the two ends of the spring abut against the opposite side faces of the baffle and the fastening plate respectively. Pulling assemblies used for pulling the baffles to move along the sliding rods are arranged on the opposite side faces of the two baffles. The utility model has the advantage that the membrane shell end plate of the separation membrane can be quickly assembled and disassembled.

Description

Technical Field

[0001] This utility model belongs to the technical field of water treatment membrane separation equipment, and relates to a membrane shell end plate fixing device for separation membrane. Background Technology

[0002] A separator membrane housing end plate is a device used to fix the separator membrane. It mainly consists of a housing, end plate, threaded retaining ring, and sealing ring. The separator membrane housing end plate is usually fixed with bolts to the crescent retaining ring, so as to ensure that the membrane element will not move outward during operation and cause leakage or danger when the equipment is under high pressure. The crescent retaining ring of the membrane housing end plate is generally composed of three or four pieces forming a ring, corresponding to three or four bolts that fit into the bolt holes on the membrane housing pressure plate.

[0003] When replacing membrane elements in a membrane separation unit due to fouling, scaling, or damage, the membrane elements need to be removed from the membrane housing. During disassembly, the membrane housing end plate is removed first. However, the bolts securing the crescent-shaped retaining ring are difficult and time-consuming to remove due to long-term salt accumulation, corrosion, scaling, and adhesion. On offline membrane cleaning and testing equipment, the end plate needs frequent disassembly and reassembly. The difficulty and time required for conventional end plate disassembly affect work efficiency.

[0004] When the bolts cannot be removed normally, due to the limited space for disassembly, using destructive bolts or crescent retaining rings to disassemble the end plate of the membrane housing may cause damage to the grooved area of ​​the membrane housing, rendering it unusable. Utility Model Content

[0005] To address the aforementioned problems, this utility model proposes a device for fixing the end plate of the separation membrane shell, which effectively solves the problems in the prior art.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows: A membrane shell end plate fixing device for a separation membrane includes a fastening plate disposed inside the membrane shell. Two crescent-shaped baffles are symmetrically arranged on the left and right sides of the fastening plate. Two fixing holes are opened on the side of the fastening plate facing the baffles. Two insertion holes are opened through the side of the baffles facing the fastening plate. The insertion holes and fixing holes are located on the same axis. A sliding rod is disposed in the fixing hole. The other end of the sliding rod is slidably connected to the insertion hole. A spring is sleeved on the sliding rod. The two ends of the spring abut against the opposite sides of the baffles and the fastening plate, respectively. Pulling components for pulling the baffles along the sliding rod are provided on the opposite sides of the two baffles. A through hole is opened through the fastening plate for detachable connection of the purified water outlet of the separation membrane element. A protrusion is provided on the side of the baffle away from the fastening plate. A slot for inserting the protrusion is opened on the inner side of the membrane shell.

[0007] Furthermore, the pulling assembly includes a pull ring bolt disposed on the opposite side of the baffle, and the pull ring bolt has a pull ring disposed on the side near the fastening plate.

[0008] Furthermore, four slide bar fastening bolts are provided on the side of the fastening plate away from the purified water outlet of the separation membrane element, and the four slide bar fastening bolts are respectively threaded to the four slide bars.

[0009] Compared with the prior art, the present invention has the following beneficial effects:

[0010] This utility model achieves rapid installation, protrusion, slotting, and disassembly of the fixing device through a fastening plate, baffle, pull ring bolt, pull ring, slide rod, and spring, improving the convenience for workers when installing and disassembling the fixing device. The slide rod is fixed by the slide rod fastening bolt, preventing the slide rod from falling off and ensuring the reliability of the fixing device during use. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the structure of this utility model;

[0012] Figure 2 This is a front view of the present utility model;

[0013] Figure 3 This utility model Figure 1 A sectional view of section AA.

[0014] In the diagram: 1. Fastening plate; 2. Baffle; 3. Pull ring bolt; 4. Pull ring; 5. Slide rod fastening bolt; 6. Spring; 7. Slide rod; 8. Membrane housing; 801. Slot; 9. Separation membrane element purified water outlet. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] like Figure 1 , Figure 2 , Figure 3As shown, a membrane housing end plate fixing device includes a fastening plate 1 disposed inside a membrane housing 8. The membrane housing 8 is an outer shell or container used to install and protect separation membrane elements (such as reverse osmosis membranes, ultrafiltration membranes, nanofiltration membranes, etc.). The membrane housing 8 is prior art and will not be described in detail here. Two crescent-shaped baffles 2 are symmetrically arranged on the left and right sides of the fastening plate 1. Two fixing holes are opened on the side of the fastening plate 1 facing the baffles 2. Two insertion holes are opened through the side of the baffles 2 facing the fastening plate 1. The insertion holes and fixing holes are located on the same side. On the axis, a sliding rod 7 is installed in the fixing hole, and the other end of the sliding rod 7 is slidably connected in the insertion hole. A spring 6 is sleeved on the sliding rod 7. The two ends of the spring 6 respectively abut against the opposite sides of the baffle 2 and the fastening plate 1. Pulling components for pulling the baffle 2 along the sliding rod 7 are provided on the opposite sides of the two baffles 2. The fastening plate 1 has a through hole for the insertion of the purified water outlet 9 of the separation membrane element. The side of the baffle 2 away from the fastening plate 1 is integrally formed with a protrusion. The inner side of the membrane shell 8 is provided with a slot 801 for the protrusion to be inserted.

[0017] In this embodiment, the pulling assembly includes a pull ring bolt 3 threadedly connected to the opposite side of the baffle 2, and a pull ring 4 integrally formed on the side of the pull ring bolt 3 near the fastening plate 1.

[0018] In this embodiment, four sliding rod fastening bolts 5 are provided on the side of the fastening plate 1 away from the purified water outlet 9 of the separation membrane element, and the four sliding rod fastening bolts 5 are threadedly connected to the four sliding rods 7 respectively.

[0019] The working principle of this technical solution is as follows: During use, the operator threaded the fastening plate 1 onto the purified water outlet 9 of the separation membrane element. After installation, the operator pulls the pull ring 4 to bring the two baffles 2 closer together along the slide rod 7, and moves the fixing device until the protrusion of the baffle 2 and the slot 801 are in the same plane. Then, the operator releases the pull ring 4, and under the action of the spring 6, the two baffles 2 move away from each other, and the protrusion of the baffle 2 is inserted into the slot 801, thereby limiting the fixing device and improving the convenience of the operator when fixing the membrane shell end plate of the separation membrane, while also improving the convenience of the fixing device during installation and disassembly.

[0020] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A device for fixing the end plate of a separating membrane housing, comprising a fastening plate disposed inside the membrane housing, characterized in that: Two crescent-shaped baffles are symmetrically arranged on the left and right sides of the fastening plate. Two fixing holes are opened on the side of the fastening plate facing the baffles. Two insertion holes are opened through the side of the baffles facing the fastening plate. The insertion holes and fixing holes are located on the same axis. A sliding rod is installed in the fixing hole. The other end of the sliding rod is slidably connected to the insertion hole. A spring is sleeved on the sliding rod. The two ends of the spring abut against the opposite sides of the baffles and the fastening plate, respectively. Pulling components for pulling the baffles along the sliding rod are provided on the opposite sides of the two baffles. A through hole is opened through the fastening plate for detachable connection to the purified water outlet of the separation membrane element. A protrusion is provided on the side of the baffle away from the fastening plate. A slot for inserting the protrusion is opened on the inner side of the membrane shell.

2. The device for fixing the end plate of the separator membrane shell according to claim 1, characterized in that: The pulling assembly includes a pull ring bolt disposed on the opposite side of the baffle, and the pull ring bolt has a pull ring on the side near the fastening plate.

3. The membrane shell end plate fixing device according to claim 1, characterized in that: The fastening plate has four slide bar fastening bolts on the side away from the purified water outlet of the separation membrane element, and the four slide bar fastening bolts are respectively threaded to the four slide bars.

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