High-efficiency purification device for petroleum mixed xylene

Abstract

This invention relates to the field of petroleum mixed xylene purification technology, specifically to a high-efficiency purification device for petroleum mixed xylene. It primarily addresses the problem of being unable to filter petroleum mixed xylene solutions when replacing filter screens, and proposes the following technical solution: a filter tube and a first filter screen inserted into the filter tube; two second filter screens rotatably disposed within the filter tube; a rotation control component disposed on the filter tube to control the opening and closing of the two second filter screens; and a retaining frame disposed at the top of the filter tube to elastically push the rotation control component. Through the cooperation of the displacement control component and the rotation control component, this invention allows the two second filter screens to instantly spring open when the clogged first filter screen is lifted for replacement, forming a new filter screen to replace the first filter screen in the filter tube to filter the petroleum mixed xylene solution, thus accelerating the filtration process.

Description

Technical Field

[0001] This invention relates to the field of petroleum mixed xylene microfiltration purification technology, specifically to a high-efficiency purification device for petroleum mixed xylene. Background Technology

[0002] Petroleum-derived mixed xylenes are important raw materials for organic synthesis. They possess good volatility and solubility, which contributes to the coatability and drying properties of coatings. They can be used to produce chemical products such as fragrances, resins, dyes, and pharmaceutical intermediates. The production of petroleum-derived mixed xylenes mainly involves the hydrogenation reaction of benzene and toluene. Production methods for petroleum-derived mixed xylenes include: adsorption separation, crystallization separation, complexation extraction, integrated adsorption-crystallization technology, and membrane separation. Modern purification equipment often employs a combined process of "adsorption pretreatment plus multi-stage membrane separation." For example, p-xylene is removed by activated carbon adsorption, large particulate suspended matter and colloidal impurities in the mixed xylenes are removed by microfiltration, colloids and salts are removed by ultrafiltration or nanofiltration, and deep purification is achieved through reverse osmosis.

[0003] When purifying a petroleum-mixed xylene solution, a filtration process is usually involved. However, after prolonged use, the filter screen is prone to clogging and needs to be replaced. But when replacing the filter screen, the petroleum-mixed xylene solution cannot be filtered, reducing filtration efficiency and effectiveness. To address this issue, we propose a high-efficiency purification device for petroleum-mixed xylene to solve the aforementioned problems. Summary of the Invention

[0004] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a high-efficiency purification device for petroleum mixed xylene, which solves the problem that the petroleum mixed xylene solution cannot be filtered when the filter screen is replaced in the prior art.

[0005] Therefore, the present invention employs a high-efficiency purification device for petroleum mixed xylene, comprising a filter tube and a filter screen 1 inserted on the filter tube, and further comprising two filter screens 2 rotatably disposed in the filter tube, a rotation control assembly disposed on the filter tube for controlling the opening or closing of the two filter screens 2, a support frame disposed on the top of the filter tube for elastically pushing the rotation control assembly, a displacement control assembly disposed on both sides of the filter tube for controlling the movement of the rotation control assembly, and a lifting frame fixedly disposed on the top of the filter screen 1 for driving the displacement control assembly; the rotation control assembly comprises a control seat that slides on the top of the filter tube, two slotted holes opened on the control seat, a rotating rod 4 that moves through the slotted holes, a rotating rod 5 that moves through the slotted holes, and a round rod 6 fixedly disposed on both sides of the control seat; the displacement control assembly comprises a tripod that slides on both sides of the filter tube, a rack elastically disposed on the tripod, and a spring that elastically twists on the tripod.

[0006] Furthermore, one of the filter screens is fixedly connected to a rod, and the other filter screen is fixedly connected to a tube, with the rod being rotatably inserted into the tube.

[0007] Furthermore, the first tube is rotatably mounted on the filter tube via a sealed bearing, the end of the fourth rotating rod is fixedly connected to the top of the first rod, the end of the fifth rotating rod is fixedly connected to the top of the side of the first tube, and the bottom of the first rod is rotatably inserted into the filter tube.

[0008] Furthermore, the rotation control assembly also includes a fixed base fixedly mounted on the top of the filter tube, a stop rod that moves through the filter tube, and a spring movably sleeved on the stop rod. The end of the spring is fixedly connected to one side of the stop frame, and the spring is located between the stop frame and the fixed base.

[0009] Furthermore, the rotation control assembly also includes a T-shaped rod two fixedly disposed on both sides of the top of the filter tube and a sliding sleeve two slidably sleeved on the T-shaped rod two. The top of the sliding sleeve two is fixedly connected to the bottom of the round rod six, and a bearing is fixedly sleeved on the outer ring end of the round rod six.

[0010] Furthermore, the displacement control assembly also includes a T-shaped rod three fixedly disposed on both sides of the filter tube and a T-shaped rod three slidably sleeved on the T-shaped rod three, with one side of the sliding sleeve three fixedly connected to one side of the tripod.

[0011] Furthermore, the displacement control assembly also includes a limiting rod three fixedly mounted on the tripod and a spring two movably mounted on the limiting rod three. The rack is movably mounted on the limiting rod three, and the spring two is located between the tripod and the rack.

[0012] Furthermore, the displacement control assembly also includes a torsion spring sleeved on one side of the spring plate shaft, and the tripod and the spring plate are engaged by the torsion spring, and the shaft of the spring plate is rotatably connected to the tripod via a bearing.

[0013] Furthermore, the top end of the tripod has a limiting rod two, and the bottom of the tripod has a limiting rod seven.

[0014] Furthermore, the extension rods on both sides of the lifting frame are movably sleeved on the tripod.

[0015] Compared with the prior art, the beneficial effects of the present invention are: 1. By coordinating the displacement control component and the rotation control component, when the clogged filter screen 1 is lifted for replacement, the two filter screens 2 can be instantly popped open and formed into another filter screen to replace filter screen 1 in the filter tube to filter the petroleum mixed xylene solution, thus speeding up the filtering process of the petroleum mixed xylene solution. Second, through the cooperation of the displacement control component and the rotation control component, during the process of pressing the new filter screen one into the filter tube, before the filter screen one is pressed into the bottom of the filter tube, the two open filter screens two vibrate during the closing process, shaking off the residue attached to the filter screens two. The residue is then blocked on the newly replaced filter screen one, so that it can be used to replace the filter screen one for filtration in the next time. This ensures that even if the filter screen one is blocked, the filtration effect of the petroleum mixed xylene solution will not be affected. This achieves seamless connection of filtration work and improves filtration efficiency and filtration effect. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are merely some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without any creative effort.

[0017] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 2 This is a schematic diagram of the overall three-dimensional structure of the present invention; Figure 3 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 4 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 5 This is a partial exploded structural diagram of the present invention; Figure 6 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 7 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 8 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 9 This is a partial exploded structural diagram of the present invention; Figure 10 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 11 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 12 This is a partial three-dimensional structural schematic diagram of the present invention; Figure 13 This is a partial exploded structural diagram of the present invention.

[0018] Attached reference numerals: 1. Support frame; 2. Support rod; 3. Filter screen one; 4. Filter screen two; 5. Tube one; 6. Rod one; 7. Filter tube; 8. Displacement control assembly; 81. Tripod; 82. Rack; 83. Spring; 84. Limiting rod seven; 85. Limiting rod three; 86. Spring two; 87. Limiting rod two; 88. Torsion spring; 9. Rotation control assembly; 91. Control seat; 92. Rotating rod four; 93. Rotating rod five; 94. Round rod six; 95. Strip hole; 11. Spring one; 12. Fixed seat; 13. T-shaped rod two; 14. Sliding sleeve two; 15. T-shaped rod three; 16. Sliding sleeve one; 17. Lifting frame. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0020] The present invention will be further described below with reference to embodiments.

[0021] Example 1, refer to Appendix Figure 1-13In this embodiment, to solve the problem in the prior art that the petroleum-mixed xylene solution cannot be filtered when the filter screen is replaced, the present invention discloses a high-efficiency purification device for petroleum-mixed xylene, including a filter tube 7 and a filter screen 3 inserted in the filter tube 7, two filter screens 4 rotatably disposed in the filter tube 7, a rotation control component 9 disposed on the filter tube 7 for controlling the opening or closing of the two filter screens 4, a retaining frame 1 disposed at the top of the filter tube 7 to elastically push the rotation control component 9, and two sides of the filter tube 7 for controlling the movement of the rotation control component 9. The displacement control assembly 8 and the lifting frame 17 fixedly mounted on the top of the filter screen 3 for driving the displacement control assembly 8 are included; the rotation control assembly 9 includes a control seat 91 that slides on the top of the filter tube 7, two strip holes 95 opened on the control seat 91, a rotating rod 92 that moves through the strip holes 95, a rotating rod 93 that moves through the strip holes 95, and a round rod 94 fixedly mounted on both sides of the control seat 91; the displacement control assembly 8 includes a tripod 81 that slides on both sides of the filter tube 7, a rack 82 that is elastically mounted on the tripod 81, and a spring piece 83 that is elastically twisted on the tripod 81. Through the cooperation of the lifting frame 17, the displacement control component 8, the rotation control component 9, and the abutment frame 1, the lifting frame 17 can control the displacement control component 8 and the rotation control component 9 when it is lifted and pressed down, thereby controlling the opening and closing of the second filter screen 4 and the vibration of the second filter screen 4 during the closing process. Lifting the lifting frame 17 on the clogged first filter screen 3 causes the second filter screen 4 to open instantly through the displacement control component 8. Pressing down the lifting frame 17 on the new first filter screen 3, through the cooperation of the displacement control component 8 and the rotation control component 9, causes the second filter screen 4 to close during the closing process. Vibration occurs in the middle, and the rotating rods 93 and 92 are limited through the strip hole 95. By pushing the control seat 91, the rotating rods 92 and 93 are moved, thereby controlling the opening and closing of the filter screen 4. Filtering is carried out through the filter screen 4. When the two filter screens 4 are closed, the petroleum mixed xylene solution can be filtered through the filter screen 3. The filter tube 7 is used to pour in the petroleum mixed xylene solution. The lifting frame 17 is used to pull and press down the filter screen 3. The movement process of the rotation control component 9 is controlled by the displacement control component 8.

[0022] One filter screen 4 has a rod 6 fixedly connected to its side, and the other filter screen 4 has a tube 5 fixedly connected to its side. Rod 6 is rotatably inserted into tube 5. Tube 5 is rotatably mounted on filter tube 7 via a sealed bearing. The end of rotating rod 92 is fixedly connected to the top of rod 6, and the end of rotating rod 93 is fixedly connected to the top side of tube 5. The bottom of rod 6 is rotatably inserted into filter tube 7. Rod 6 and tube 5 allow the two filter screens 4 to rotate independently without affecting each other. The movement of rotating rod 92 controls rod 6, and the movement of rotating rod 93 controls tube 5. The insertion of rod 6 into tube 5 ensures that both are concentric and on the same rotating axis.

[0023] The rotation control assembly 9 also includes a fixed base 12 fixedly mounted on the top of the filter tube 7, a stop rod 2 movably passing through the filter tube 7, and a spring 11 movably sleeved on the stop rod 2. The end of the spring 11 is fixedly connected to one side of the stop frame 1, and the spring 11 is located between the stop frame 1 and the fixed base 12. The rotation control assembly 9 also includes a T-shaped rod 13 fixedly mounted on both sides of the top of the filter tube 7 and a sliding sleeve 14 slidably sleeved on the T-shaped rod 13. The top of the sliding sleeve 14 is fixedly connected to the bottom of the round rod 94, and a bearing is fixedly sleeved on the outer ring end of the round rod 94. Spring 11 is used to push the abutment rod 2, the abutment frame 1 and the rotation control component 9. The fixed seat 12 is used to hold spring 11 and give it force. Through T-shaped rod 2 13 and sliding sleeve 2 14, the movement trajectory of round rod 6 94 on sliding sleeve 2 14 can be limited. Through the bearing on the outer ring of round rod 6 94, when round rod 6 94 contacts the tripod 81, limit rod 7 84, spring 83, rack 82 and limit rod 2 87, friction is reduced, making the movement of round rod 6 94 smoother.

[0024] Example 2, see attached document Figure 1-13 In this embodiment, to address the problem in the prior art where the petroleum-mixed xylene solution cannot be filtered when the filter screen is replaced, based on the same concept as in Embodiment 1, the high-efficiency purification device for petroleum-mixed xylene further includes: the displacement control component 8 includes T-shaped rods 15 fixedly disposed on both sides of the filter tube 7 and T-shaped rods 16 slidably sleeved on the T-shaped rods 15, with one side of the sliding sleeve 16 fixedly connected to one side of the tripod 81. Through the T-shaped rods 15 and the sliding sleeve 16, the movement trajectory of the displacement control component 8 can be limited, allowing only straight up-and-down movement of the displacement control component 8.

[0025] The displacement control assembly 8 also includes a limiting rod 3 85 fixedly mounted on the tripod 81 and a spring 2 86 movably sleeved on the limiting rod 3 85. A rack 82 is movably sleeved on the limiting rod 3 85, and the spring 2 86 is located between the tripod 81 and the rack 82. The displacement control assembly 8 also includes a torsion spring 88 sleeved on one side of the spring plate 83's shaft, and the tripod 81 and the spring plate 83 are engaged by the torsion spring 88. The shaft of the spring plate 83 is rotatably connected to the tripod 81 via a bearing. The top end of the tripod 81 has a limiting rod 2 87, and the bottom of the tripod 81 has a limiting rod 7 84. The extension rods on both sides of the lifting frame 17 are movably sleeved on the tripod 81. The round rod 94 is held in place by the crossbar at the top of the tripod 81. The round rod 94 is supported by the limiting rod 84. The teeth on the rack 82 cause the round rod 94 to vibrate. Through the cooperation of the rack 82, the limiting rod 85, and the spring 86, the round rod 94 can easily press against the rack 82 to reach the crossbar at the top of the tripod 81. Through the cooperation of the spring 83, the torsion spring 88, and the tripod 81, when the tripod 81 is raised, the round rod 94, through the spring 83, presses down on the tripod 81 when it is positioned on the limiting rod 84. 1. The round rod 94 is driven to reach the limiting rod 87 via the spring 83 and the rack 82, thereby closing the two filter screens 24. Through the cooperation of the extension rods on both sides of the lifting frame 17 and the tripod 81, the tripod 81 and the limiting rod 84, spring 83, rack 82 and limiting rod 87 on the tripod 81 can move up and down at the same time. Through the spring 86, the rack 82 can move left and right on the limiting rod 85, so that the tripod 81 can be pressed against the tripod 81, and the round rod 94 can reach the limiting rod 87 from the rack 82.

[0026] Working principle: Scenario 1: A petroleum-based xylene solution passes through filter tube 7 and is filtered by filter screen 3. When filter screen 3 becomes clogged, the filtration efficiency decreases, and filter screen 3 needs to be replaced. In this case: S1. Pulling the lifting frame 17 on filter screen 3 moves filter screen 3 upward to replace it with a new filter screen 3 and lifting frame 17. When the filter screen 3 is pulled upward, the lifting frame 17 can drive the tripod 81 and the limiting rod 7 84, spring 83, rack 82 and limiting rod 2 87 on the tripod 81 to move upward simultaneously. This causes the round rod 6 94 to be pushed from the position of limiting rod 2 87 and instantly spring into the position of the vertical rod of the tripod 81 away from limiting rod 2 87, under the cooperation of spring 11, abutment rod 2 and fixed seat 12. During the lifting process of tripod 81, the round rod 94 pushes open the spring 83 along the vertical rod of tripod 81, causing the spring 83 to rotate and reach the position of limit rod 84. Under the action of the elastic force of spring 11, the round rod 94 is pushed onto the vertical rod of tripod 81 at the position of limit rod 84 and fixed. At this time, filter screen 3 and lifting frame 17 have risen to the top and are just about to be separated from filter tube 7. At this time, the filter screen 3 and lifting frame 17 that are blocked on tripod 81 are taken out. S2. When the round rod 94 instantly springs from the position of the limiting rod 87 into the position of the vertical rod of the tripod 81 away from the limiting rod 87, the control seat 91 also moves instantaneously under the action of the spring force of the spring 11, causing the control seat 91 and the sliding sleeve 14 to move along the trajectory of the T-shaped rod 13. Thus, under the limitation of the strip hole 95, the rotating rod 5 93 and the rotating rod 4 92 move, thereby causing the tube 1 5 and the rod 1 6 to rotate instantaneously, thereby causing the two filter screens 2 4 to open instantaneously, replacing the filter screen 1 3 to continue to filter the petroleum mixed xylene solution seamlessly. Scenario 2: When the petroleum-mixed xylene solution is filtered through two filter screens (screen 2, screen 4), the clogged filter screen (screen 1, screen 3) and pressure lifting frame (screen 17) have been removed from the tripod (frame 81). New filter screen (screen 1, screen 3) and pressure lifting frame (screen 17) need to be replaced for filtration. At this time: S1. Place the lifting bracket 17 on the new filter screen 3 onto the two tripods 81, aligning the filter screen 3 with the slot on the filter tube 7. Press down the lifting bracket 17 to insert the filter screen 3 into the filter tube 7. At this time, the round rod 94 moves from the limiting rod 84. The round rod 94 moves to the rack 82 via the spring piece 83 that is locked with the tripod 81. The round rod 94 continues to move on the rack 82 as the lifting bracket 17 is pressed down, and the round rod 94... 4. Under the elastic force of spring 11 on round rod 6 94 and the downward pressure of lifting frame 17, vibration occurs on the teeth connected to rack 82, and round rod 6 94 presses against rack 82 and squeezes spring 2 86 on limiting rod 3 85, so that rack 82 abuts against tripod 81, thereby moving round rod 6 94 from rack 82 to tripod 81 at the position of limiting rod 2 87, so that round rod 6 94 is abutted and fixed by tripod 81; S2. During the movement of the round rod 94, the control seat 91 is driven to move on the trajectory of the T-shaped rod 13, compressing the spring 11 and causing the rotating rod 4 92 and rotating rod 5 93 in the strip hole 95 to move, thereby driving the tube 1 5 and rod 1 6 to rotate, thereby driving the two filter screens 2 4 to close, so that the new filter screen 3 continues to filter the petroleum mixed xylene solution. S3. During the movement of the round rod 94 on the rack 82, the round rod 94 will vibrate continuously, which will cause the control seat 91 to vibrate, thereby causing the rotating rod 92 and the rotating rod 93 to vibrate, which in turn causes the tube 5 and the rod 6 to vibrate, which in turn causes the two filter screens 4 to vibrate, shaking off the filtered material on the filter screens 4. The filtered material arrives on the new filter screen 3 and continues to be filtered, realizing a seamless connection of the filtration work.

[0027] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A high-efficiency purification device for mixed xylene in petroleum, comprising a filter tube (7) and a filter screen (3) inserted on the filter tube (7), characterized in that... It also includes two filter screens (4) that are rotatably installed in the filter tube (7), a rotation control assembly (9) installed on the filter tube (7) for controlling the opening or closing of the two filter screens (4), a retaining frame (1) installed on the top of the filter tube (7) to elastically push the rotation control assembly (9), a displacement control assembly (8) installed on both sides of the filter tube (7) for controlling the movement of the rotation control assembly (9), and a lifting frame (17) fixed on the top of the filter screen (3) for driving the displacement control assembly (8). The rotation control assembly (9) includes a control seat (91) that slides on the top of the filter tube (7), two strip holes (95) opened on the control seat (91), a rotating rod four (92) that moves through the strip holes (95), a rotating rod five (93) that moves through the strip holes (95), and a round rod six (94) that is fixedly set on both sides of the control seat (91). The displacement control assembly (8) includes a tripod (81) slidably disposed on both sides of the filter tube (7), a rack (82) elastically disposed on the tripod (81), and a spring piece (83) elastically torsion on the tripod (81). One of the filter screens (4) is fixedly connected to a rod (6) on its side, and the other filter screen (4) is fixedly connected to a tube (5) on its side. The rod (6) is rotatably inserted into the tube (5). The displacement control assembly (8) also includes a T-shaped rod three (15) fixedly disposed on both sides of the filter tube (7) and a sliding sleeve one (16) slidably sleeved on the T-shaped rod three (15), one side of the sliding sleeve one (16) being fixedly connected to one side of the tripod (81). The displacement control assembly (8) also includes a limiting rod three (85) fixedly mounted on the tripod (81) and a spring two (86) movably mounted on the limiting rod three (85). The rack (82) is movably mounted on the limiting rod three (85), and the spring two (86) is located between the tripod (81) and the rack (82). The displacement control assembly (8) also includes a torsion spring (88) sleeved on a shaft on one side of the spring (83), and the tripod (81) and the spring (83) are engaged by the torsion spring (88), and the shaft of the spring (83) is rotatably connected to the tripod (81) through a bearing.

2. The high-efficiency purification device for mixed xylene in petroleum according to claim 1, characterized in that, The first tube (5) is rotatably mounted on the filter tube (7) via a sealed bearing. The end of the fourth rotating rod (92) is fixedly connected to the top of the first rod (6). The end of the fifth rotating rod (93) is fixedly connected to the top of the side of the first tube (5). The bottom of the first rod (6) is rotatably inserted into the filter tube (7).

3. The high-efficiency purification device for mixed xylene in petroleum according to claim 2, characterized in that, The rotation control assembly (9) also includes a fixed seat (12) fixedly installed on the top of the filter tube (7), a stop rod (2) that moves through the filter tube (7), and a spring (11) that moves on the stop rod (2). The end of the spring (11) is fixedly connected to one side of the stop frame (1), and the spring (11) is located between the stop frame (1) and the fixed seat (12).

4. The high-efficiency purification device for mixed xylene in petroleum according to claim 3, characterized in that, The rotation control assembly (9) also includes a T-shaped rod (13) fixedly installed on both sides of the top of the filter tube (7) and a sliding sleeve (14) slidably sleeved on the T-shaped rod (13). The top of the sliding sleeve (14) is fixedly connected to the bottom of the round rod (94), and a bearing is fixedly sleeved on the outer ring end of the round rod (94).

5. The high-efficiency purification device for mixed xylene in petroleum according to claim 1, characterized in that, The top end of the tripod (81) has a limiting rod two (87), and the bottom of the tripod (81) has a limiting rod seven (84).

6. The high-efficiency purification device for mixed xylene in petroleum according to claim 1, characterized in that, The extension rods on both sides of the lifting frame (17) are movably sleeved on the tripod (81).

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