A membrane separation decolorization device for rapeseed oil
By introducing installation and sealing components into the membrane separation and decolorization equipment, the problem of time-consuming flat-sheet membrane installation has been solved, enabling rapid installation and disassembly, improving cleaning and replacement efficiency, enhancing sealing performance, and increasing work efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- LUOPING JINFENG OIL CO LTD
- Filing Date
- 2025-07-10
- Publication Date
- 2026-06-09
Smart Images

Figure CN224337521U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of rapeseed oil processing technology, and in particular to a membrane separation and decolorization device for rapeseed oil. Background Technology
[0002] Rapeseed oil is one of China's main edible oils extracted from rapeseed. It can be classified into different types according to the degree of processing and erucic acid content. It has a high absorption rate by the human body and contains nutrients such as linoleic acid and other unsaturated fatty acids, vitamin E, and phospholipids. It is low in cholesterol. The production processes include pressing (divided into high-temperature hot pressing and low-temperature pressing, and the products are divided into first-grade and second-grade) and solvent extraction (the products are divided into first-grade, second-grade and third-grade).
[0003] In the production of rapeseed oil, membrane separation and decolorization equipment is required for separation and decolorization. However, most current membrane separation and decolorization equipment uses bolts or flanges to install flat sheet membranes. Although this method is simple to operate, the installation and disassembly are relatively time-consuming. After the separation and decolorization work is completed, the cleaning and replacement of the flat sheet membrane cannot be carried out quickly, which affects the work efficiency. Therefore, this application proposes a membrane separation and decolorization equipment for rapeseed oil to meet the needs. Utility Model Content
[0004] In order to overcome the drawback of the long installation and disassembly time of existing flat membrane devices, this utility model provides a membrane separation and decolorization device for rapeseed oil.
[0005] The technical implementation scheme of this utility model is as follows: a membrane separation and decolorization device for rapeseed oil, including a raw material tank, a separation box is provided on one side of the raw material tank, the raw material tank and the separation box are connected by a connecting pipe, a flat plate membrane for separation and decolorization is provided inside the separation box, a through groove adapted to the size of the flat plate membrane is passed through one side of the separation box, an installation block adapted to the size of the through groove is fixedly connected to the outer end of the flat plate membrane, an installation seat is fixedly connected to the outer side of the through groove, an installation component is provided between the installation block and the installation seat, and a sealing component is provided at the connection between the installation block and the through groove.
[0006] Optionally, the mounting assembly includes a mounting groove, a support plate, a mounting hole, a vertical groove, and a mounting rod. The mounting groove passes through the mounting base and is adapted to the size of the mounting block. The support plate is provided in two sets and is fixedly connected to the inner walls of both sides of the separation box. The mounting hole passes through the mounting block. The vertical groove passes through the inner wall of the top of the mounting groove. The mounting rod is movably connected to the vertical groove and is adapted to the size of the mounting hole.
[0007] Optionally, the mounting assembly further includes a first slide groove, a first slider, a first spring, and a pull block. The first slide groove is formed in the inner wall of the through groove. The first slider is fixedly connected to the outer periphery of the mounting rod and slidably connected to the first slide groove. The first spring is sleeved on the outer periphery of the mounting rod and its two ends are respectively fixedly connected to the top of the first slider and the inner wall of the top of the first slide groove. The pull block is fixedly connected to the top of the mounting rod.
[0008] Optionally, the sealing assembly includes a sealing groove, an annular groove, and a sealing ring. The sealing groove is formed on the inner wall around the through groove, the annular groove is formed on the outer peripheral surface of the mounting block, the sealing ring is made of rubber and is hollow inside, and the sealing ring is installed inside the annular groove and, after expansion, adapts to the size of the sealing groove.
[0009] Optionally, the sealing assembly further includes an air chamber and a piston. The air chamber is located inside the mounting block and has a connection hole at one end that communicates with the sealing ring. The piston is slidably connected to the air chamber and is sized to match it.
[0010] Optionally, the sealing assembly further includes a second groove, a second slider, a second spring, and a connecting rod. The second groove is formed on the outer end surface of the mounting block and communicates with the air cavity. The second slider is slidably connected to the second groove. The second spring is installed inside the second groove and its two ends are respectively fixedly connected to the inner wall of the second slider away from the air cavity and the side of the second groove away from the air cavity. The connecting rod is movably connected to the air cavity and the second groove and its two ends are respectively fixedly connected to the second slider and the piston.
[0011] This utility model has the following advantages:
[0012] 1. This utility model features an installation assembly. Pulling the pull block upward causes it to move the first slider along the first groove via the installation rod, compressing the first spring. When the installation rod moves out of the installation groove and into the vertical groove, the flat film is placed on top of the support plate through the installation groove and through groove, and the installation block is submerged in the installation groove. Then, the pull block is released, the first spring rebounds, and the first slider moves the installation rod downward. When the installation rod is inserted into the installation hole, the installation block is fixed in the installation groove, thus completing the installation of the flat film. This design makes the installation and removal of the flat film simpler and faster, effectively improving the cleaning and replacement efficiency of the flat film.
[0013] 2. This utility model incorporates a sealing component. The second slider slides along the second groove, compressing the second spring. During this process, the connecting rod drives the piston to slide synchronously along the air chamber with the second slider, drawing air from the sealing ring into the air chamber through the connecting hole. When the sealing ring deflates and is submerged in the annular groove, the flat membrane is installed in the separation box. Then, the second slider is released, the second spring rebounds, and the piston slides in the opposite direction via the second slider and connecting rod. Air from the air chamber is then sent to the sealing ring through the connecting hole. When the sealing ring expands to fit tightly against the sealing groove, it seals the connection between the mounting block and the through groove. This design effectively enhances the sealing performance of the flat membrane installation area, thus preventing rapeseed oil from leaking into the outside through gaps. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0015] Figure 2 This is a schematic diagram of the separation box structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the mounting block structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the mounting base structure of this utility model.
[0018] The meanings of the reference numerals in the figure are as follows: 1. Raw material tank; 2. Separation box; 3. Connecting pipe; 4. Flat membrane; 5. Through groove; 6. Mounting block; 7. Mounting base; 8. Mounting assembly; 81. Mounting groove; 82. Support plate; 83. Mounting hole; 84. Vertical groove; 85. Mounting rod; 86. First slide groove; 87. First slider; 88. First spring; 89. Pull block; 9. Sealing assembly; 91. Sealing groove; 92. Annular groove; 93. Sealing ring; 94. Air chamber; 95. Piston; 96. Second slide groove; 97. Second slider; 98. Second spring; 99. Connecting rod. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, a further detailed description of this utility model will be provided below in conjunction with the accompanying drawings. It is hereby declared that the directional terms such as up, down, left, right, front, back, inside, and outside that appear or will appear in this document are based solely on the accompanying drawings and are not intended to specifically limit this utility model.
[0020] A membrane separation and decolorization device for rapeseed oil includes a raw material tank 1, a separation box 2 on one side of the raw material tank 1, and a connecting pipe 3 connecting the raw material tank 1 and the separation box 2. A flat plate membrane 4 for separation and decolorization is installed inside the separation box 2. A through groove 5 adapted to the size of the flat plate membrane 4 is passed through one side of the separation box 2. An installation block 6 adapted to the size of the through groove 5 is fixedly connected to the outer end of the flat plate membrane 4. An installation seat 7 is fixedly connected to the outer side of the through groove 5. An installation component 8 is provided between the installation block 6 and the installation seat 7. A sealing component 9 is provided at the connection between the installation block 6 and the through groove 5.
[0021] It should be noted that the installation component 8 makes the installation and removal of the flat sheet membrane 4 simpler and faster, thereby improving the cleaning and replacement efficiency of the flat sheet membrane 4. The sealing component 9 can seal the connection between the installation block 6 and the separation box 2, effectively preventing rapeseed oil from leaking into the outside through the gaps.
[0022] like Figure 3 and Figure 4 As shown, the mounting assembly 8 includes a mounting groove 81, a support plate 82, a mounting hole 83, a vertical groove 84, and a mounting rod 85. The mounting groove 81 passes through the mounting base 7 and is adapted to the size of the mounting block 6. The support plate 82 is provided in two sets and is fixedly connected to the inner walls of both sides of the separation box 2. The mounting hole 83 passes through the mounting block 6. The vertical groove 84 passes through the top inner wall of the mounting groove 81. The mounting rod 85 is movably connected to the vertical groove 84 and is adapted to the size of the mounting hole 83.
[0023] It should be noted that the flat sheet membrane 4 is placed inside the separation box 2 through the mounting groove 81 and the through groove 5 and positioned on top of the support plate 82. Then, the mounting rod 85 is inserted into the mounting hole 83, at which point the mounting block 6 can be fixed in the current position, thus completing the installation of the flat sheet membrane 4.
[0024] like Figure 4 As shown, the mounting assembly 8 also includes a first slide groove 86, a first slider 87, a first spring 88, and a pull block 89. The first slide groove 86 is formed in the inner wall of the through groove 5. The first slider 87 is fixedly connected to the outer periphery of the mounting rod 85 and slidably connected to the first slide groove 86. The first spring 88 is sleeved on the outer periphery of the mounting rod 85 and its two ends are fixedly connected to the top of the first slider 87 and the top inner wall of the first slide groove 86, respectively. The pull block 89 is fixedly connected to the top of the mounting rod 85.
[0025] It should be noted that pulling the pull block 89 upward will cause the first slider 87 to slide upward along the first slide groove 86 via the mounting rod 85 and compress the first spring 88. Releasing the pull block 89 will cause the first spring 88 to rebound and cause the mounting rod 85 to move downward via the first slider 87.
[0026] like Figure 2 and Figure 3As shown, the sealing assembly 9 includes a sealing groove 91, an annular groove 92, and a sealing ring 93. The sealing groove 91 is formed on the inner wall around the through groove 5, and the annular groove 92 is formed on the outer surface of the mounting block 6. The sealing ring 93 is made of rubber and is hollow inside. The sealing ring 93 is installed inside the annular groove 92 and, after expansion, matches the size of the sealing groove 91.
[0027] It should be noted that after the flat membrane 4 is installed, air is injected into the sealing ring 93 to make it expand. When the sealing ring 93 expands to fit tightly with the sealing groove 91, the connection between the mounting block 6 and the through groove 5 can be sealed.
[0028] like Figure 3 As shown, the sealing assembly 9 also includes an air chamber 94 and a piston 95. The air chamber 94 is opened inside the mounting block 6 and has a connection hole at one end that communicates with the sealing ring 93. The piston 95 is slidably connected to the air chamber 94 and is sized to match it.
[0029] It should be noted that by sliding the piston 95 along the air chamber 94, air in the air chamber 94 can be sent to the sealing ring 93 through the connecting hole to make it expand, or air in the sealing ring 93 can be drawn into the air chamber 94 to make it deflate.
[0030] like Figure 3 As shown, the sealing assembly 9 also includes a second slide groove 96, a second slider 97, a second spring 98, and a connecting rod 99. The second slide groove 96 is formed on the outer end surface of the mounting block 6 and communicates with the air cavity 94. The second slider 97 is slidably connected to the second slide groove 96. The second spring 98 is installed inside the second slide groove 96 and its two ends are respectively fixedly connected to the inner wall of the second slider 97 away from the air cavity 94 and the second slide groove 96 away from the air cavity 94. The connecting rod 99 is movably connected to the air cavity 94 and the second slide groove 96 and its two ends are respectively fixedly connected to the second slider 97 and the piston 95.
[0031] It should be noted that when the second slider 97 slides along the second groove 96 to compress the second spring 98, the connecting rod 99 will drive the piston 95 to slide synchronously along the air chamber 94 with the second slider 97. When the second slider 97 is released, the second spring 98 will rebound and drive the piston 95 to slide in the opposite direction through the second slider 97 and the connecting rod 99.
[0032] In a specific application scenario, the second slider 97 first slides along the second groove 96 to compress the second spring 98. During this process, the connecting rod 99 drives the piston 95 to slide synchronously along the air chamber 94 with the second slider 97 and draws the air in the sealing ring 93 into the air chamber 94 through the connecting hole. When the sealing ring 93 deflates and is submerged in the annular groove 92, the pull block 89 is pulled upward to drive the first slider 87 to slide upward along the first groove 86 through the mounting rod 85 and compress the first spring 88. When the mounting rod 85 moves out of the mounting groove 81 and into the vertical groove 84, the flat film 4 is placed on the top of the support plate 82 through the mounting groove 81 and the through groove 5, and the mounting block 6 is submerged in the mounting groove 81. Then, the pull block 89 and the second slider 97 are released, the first spring 88 rebounds, and the first slider 87 drives the mounting block 98 to slide upward. The rod 85 moves downwards, and when the mounting rod 85 is inserted into the mounting hole 83, the mounting block 6 is fixed in the mounting groove 81, thus completing the installation of the flat film 4. At the same time, the second spring 98 rebounds and drives the piston 95 to slide in the opposite direction through the second slider 97 and the connecting rod 99. The air in the air chamber 94 is sent to the sealing ring 93 through the connecting hole. When the sealing ring 93 expands to fit tightly with the sealing groove 91, the connection between the mounting block 6 and the through groove 5 is sealed. Then, the rapeseed oil in the raw material tank 1 is sent to the separation box 2 through the connecting pipe 3 to start the separation and decolorization work. After the separation and decolorization work is completed, the mounting rod 85 is pulled upwards again to move it out of the mounting hole 83, and at the same time, the sealing ring 93 is deflated again until it is submerged in the annular groove 92. At this time, the mounting block 6 is pulled outwards to remove the flat film 4 for cleaning or replacement.
[0033] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A membrane separation decolorization device for rapeseed oil, comprising a raw material tank (1), characterized in that, A separation box (2) is provided on one side of the raw material tank (1). The raw material tank (1) and the separation box (2) are connected by a connecting pipe (3). A flat plate membrane (4) for separation and decolorization is provided inside the separation box (2). A through groove (5) adapted to the size of the flat plate membrane (4) is passed through one side of the separation box (2). An installation block (6) adapted to the size of the through groove (5) is fixedly connected to the outer end of the flat plate membrane (4). An installation seat (7) is fixedly connected to the outer side of the through groove (5). An installation component (8) is provided between the installation block (6) and the installation seat (7). A sealing component (9) is provided at the connection between the installation block (6) and the through groove (5).
2. The membrane separation decolorization device for rapeseed oil according to claim 1, characterized in that, The mounting assembly (8) includes a mounting groove (81), a support plate (82), a mounting hole (83), a vertical groove (84), and a mounting rod (85). The mounting groove (81) passes through the mounting base (7) and is adapted to the size of the mounting block (6). The support plate (82) is provided in two sets and is fixedly connected to the inner walls of both sides of the separation box (2). The mounting hole (83) passes through the mounting block (6). The vertical groove (84) passes through the inner wall of the top of the mounting groove (81). The mounting rod (85) is movably connected to the vertical groove (84) and is adapted to the size of the mounting hole (83).
3. The membrane separation decolorization device for rapeseed oil according to claim 2, characterized in that, The mounting assembly (8) further includes a first slide groove (86), a first slider (87), a first spring (88), and a pull block (89). The first slide groove (86) is formed on the inner wall of the through groove (5). The first slider (87) is fixedly connected to the outer periphery of the mounting rod (85) and slidably connected to the first slide groove (86). The first spring (88) is sleeved on the outer periphery of the mounting rod (85) and its two ends are fixedly connected to the top of the first slider (87) and the inner wall of the top of the first slide groove (86), respectively. The pull block (89) is fixedly connected to the top of the mounting rod (85).
4. The membrane separation decolorization device for rapeseed oil according to claim 1, characterized in that, The sealing assembly (9) includes a sealing groove (91), an annular groove (92) and a sealing ring (93). The sealing groove (91) is opened on the inner wall around the through groove (5), and the annular groove (92) is opened on the outer peripheral surface of the mounting block (6). The sealing ring (93) is made of rubber and is hollow inside. The sealing ring (93) is installed inside the annular groove (92) and, after expansion, is adapted to the size of the sealing groove (91).
5. A membrane separation decolorization device for rapeseed oil according to claim 4, characterized in that, The sealing assembly (9) further includes an air chamber (94) and a piston (95). The air chamber (94) is located inside the mounting block (6) and has a connection hole at one end that communicates with the sealing ring (93). The piston (95) is slidably connected to the air chamber (94) and is sized to match it.
6. A membrane separation decolorization device for rapeseed oil according to claim 5, characterized in that, The sealing assembly (9) further includes a second slide groove (96), a second slider (97), a second spring (98), and a connecting rod (99). The second slide groove (96) is opened on the outer end surface of the mounting block (6) and communicates with the air cavity (94). The second slider (97) is slidably connected to the second slide groove (96). The second spring (98) is installed inside the second slide groove (96) and its two ends are respectively fixedly connected to the inner wall of the second slider (97) away from the air cavity (94) and the second slide groove (96) away from the air cavity (94). The connecting rod (99) is movably connected to the air cavity (94) and the second slide groove (96) and its two ends are respectively fixedly connected to the second slider (97) and the piston (95).