Tubular reactor for producing biphenyl

Abstract

The tubular reactor comprises a furnace body and a tubular reactor body, the top of the furnace body is movably connected with a protective shell, the upper surface of the protective shell is fixedly connected with two guide rods, an L-shaped plate is movably connected between the two guide rods, a sliding groove is formed in the outer wall of one side of the furnace body, and the outer wall of the other side of the furnace body is fixedly connected with the protective shell. A sliding block is movably connected into the sliding groove, a fixing block is fixedly connected to one side of the sliding block, a tension spring is fixedly connected to one side of the fixing block, the tension spring is fixed to the sliding groove, a second clamping groove is formed in the bottom of the fixing block, and a clamping block is fixedly connected to one side of the L-shaped plate. According to the tubular reactor, the tubular reactor body heated in the furnace body can be protected through matched use of the L-shaped plate and the protective shell, the position of the placement frame in the groove can be limited and fixed through matched use of the limiting block and the threaded rod, and the L-shaped plate can be prevented from moving out of the guide rod through the baffle.

Description

Technical Field

[0001] The utility model relates to the technical field of tubular reactors, in particular to a tubular reactor for producing biphenyl. Background Art

[0002] In modern chemical production, tubular reactor is one of the commonly used reactor types, and is mostly used in gas phase continuous operation occasions.

[0003] After searching, the Chinese patent with publication number CN220443843U discloses a tubular reactor for producing biphenyl, which includes: a bottom plate, a slide, a support frame arranged on the slide, and a reactor body arranged on the support frame, and the pressing assembly is used to press the slide tightly and limit the slide in the slideway. However, there are still the following defects: during the heating process, the existing tubular reactor has quality defects, which leads to the rupture of the tubular reactor, which will cause certain harm to employees. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a tubular reactor for producing biphenyl.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A tubular reactor for producing biphenyl comprises a furnace body and a tubular reactor body, wherein a protective shell is movably connected to the top of the furnace body, two guide rods are fixedly connected to the upper surface of the protective shell, an L-shaped plate is movably connected between the two guide rods, a slide groove is provided on one outer wall of the furnace body, a slider is movably connected in the slide groove, a fixed block is fixedly connected to one side of the slider, a tension spring is fixedly connected to one side of the fixed block, and the tension spring is fixed to the slide groove, a second slot is provided at the bottom of the fixed block, a clamping block is fixedly connected to one side of the L-shaped plate, and the second slot is clamped with the clamping block, a first slot is provided at the bottom of the fixed block, and the first slot can be clamped with the clamping block, and a movable placement component for the tubular reactor body is provided inside the furnace body.

[0007] As a further solution of the utility model, the placement component includes a slide plate, which is slidably connected to the bottom inner wall of the furnace body, and two grooves are provided on the top of the slide plate. Placement racks are provided inside the two grooves, and the tubular reactor body is fixed between the two placement racks. Limitation components are provided at both ends of the placement racks.

[0008] As a further solution of the utility model, the limiting component includes two limit blocks, the limit blocks are in contact with the placement rack, a slot is opened inside the limit block, and the two ends of the placement rack are located inside the slot.

[0009] As a further solution of the utility model, a fixing plate is fixedly connected to one side of the limit block, a threaded rod is movably connected inside the fixing plate, two screw holes are provided at the bottom of the groove, and the threaded rod is threadedly connected to the screw holes.

[0010] As a further solution of the utility model, a baffle is fixedly connected to the top end of the guide rod.

[0011] As a further solution of the utility model, a plurality of heating tubes are provided on an inner wall of one side of the furnace body.

[0012] As a further solution of the utility model, two connecting ports are provided on the top of the furnace body, and a feed pipe and a discharge pipe are fixedly connected to the two connecting ports respectively.

[0013] The beneficial effects of the utility model are:

[0014] 1. The L-shaped plate and the protective shell are used together to protect the tubular reactor body heated in the furnace, thereby preventing the tubular reactor body from breaking during the heating process and causing harm to employees, thereby improving the safety of the device.

[0015] 2. The position of the placement rack in the groove is limited and fixed by using the limit block in conjunction with the threaded rod, thereby improving the stability of the tubular reactor body.

[0016] 3. By setting the baffle, the baffle can limit the height of the L-shaped plate to prevent it from moving out of the guide rod, thereby improving the limiting effect of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the three-dimensional structure of a tubular reactor for producing biphenyl proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the cross-sectional structure of a furnace body of a tubular reactor for producing biphenyl proposed in the utility model;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a fixed block of a tubular reactor for producing biphenyl proposed by the utility model;

[0020] Figure 4 This is a partial cross-sectional structural schematic diagram of a tubular reactor for producing biphenyl proposed by the utility model;

[0021] Figure 5 The utility model is a schematic diagram of a cross-sectional structure of a limit block of a tubular reactor for producing biphenyl.

[0022] In the figure: 1. furnace body; 2. protective shell; 3. baffle; 4. guide rod; 5. fixing block; 6. L-shaped plate; 7. tension spring; 8. slide groove; 9. slider; 10. first slot; 11. second slot; 12. block; 13. groove; 14. fixing plate; 15. limit block; 16. slide plate; 17. tubular reactor body; 18. notch; 19. threaded rod; 20. placement rack. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0024] Reference Figure 1-Figure 5 A tubular reactor for producing biphenyl comprises a furnace body 1 and a tubular reactor body 17. A protective shell 2 is rotatably connected to the top of the furnace body 1. Two guide rods 4 are fixed to the upper surface of the protective shell 2 by bolts. An L-shaped plate 6 is slidably connected between the two guide rods 4. The guide rod 4 can guide the L-shaped plate 6 so that it can move stably. A slide groove 8 is provided on the outer wall of one side of the furnace body 1. A slider 9 is slidably connected in the slide groove 8. Through the cooperation of the L-shaped plate 6 and the protective shell 2, the tubular reactor body 17 heated in the furnace body 1 is protected to prevent the tubular reactor body 17 from breaking during the heating process and causing harm to employees. A fixing block 5 is fixed to one side of the slider 9 by bolts. A tension spring 7 is welded to one side of the fixing block 5, and the tension spring 7 is fixed to the slide groove 8. A second card slot 11 is provided at the bottom of the fixing block 5. , a block 12 is fixed to one side of the L-shaped plate 6 by bolts, and the second slot 11 is engaged with the block 12, a first slot 10 is provided at the bottom of the fixed block 5, and the first slot 10 can be engaged with the block 12, the fixed block 5 is pulled backward, the slider 9 moves outward along the slide slot 8, the tension spring 7 is extended, so that the second slot 11 is separated from the block 12, at this time the L-shaped plate 6 loses its restriction, the L-shaped plate 6 is pushed upward, so that it moves upward along the guide rod 4, and then the protective shell 2 is rotated to drive the L-shaped plate 6 to rotate, at this time the first slot 10 corresponds to the position of the block 12, the fixed block 5 is released, the tension spring 7 rebounds, so that the block 12 is engaged with the first slot 10, so that the position of the flipped L-shaped plate 6 and the protective shell 2 is fixed, and a movable tubular reactor body 17 placement component is provided inside the furnace body 1.

[0025] In the present invention, it should be noted that the placement assembly includes a slide plate 16, which is slidably connected to the bottom inner wall of the furnace body 1, and two grooves 13 are provided on the top of the slide plate 16. A placement rack 20 is provided inside the two grooves 13. The tubular reactor body 17 is fixed between the two placement racks 20. The grooves 13 are convenient for the staff to position and place the placement rack 20. The tubular reactor body 17 is placed in the groove 13 through the placement rack 20 using tools. Both ends of the placement rack 20 are provided with limiting assemblies, which include two limit blocks 15. The limit blocks 15 are in contact with the placement rack 20. A notch 18 is provided inside the limit block 15, and both ends of the placement rack 20 are located inside the notch 18. One side of the limit block 15 is fixed with a fixing plate 14 by bolts. The fixing plate 14 is internally rotatably connected with a threaded rod 19, and two screw holes are provided at the bottom of the groove 13, and the threaded rod 19 is threadedly connected with the screw holes. The limit block 15 is clamped on the top of the placement rack 20 placed in the groove 13 through the notch 18, and the threaded rod 19 is rotated to be inserted into the screw hole, so that the position of the limit block 15 is fixed, and then the position of the placement rack 20 is restricted and fixed. The top of the guide rod 4 is fixed with a baffle 3 by bolts, and the baffle 3 can limit the height of the movement of the L-shaped plate 6 to prevent it from moving out of the guide rod 4. A plurality of heating tubes are provided on the inner wall of one side of the furnace body 1, which can heat the tubular reactor body 17. Two connecting ports are provided on the top of the furnace body 1, and a feed pipe and a discharge pipe are respectively fixed in the two connecting ports by bolts.

[0026] Working principle: First, pull the fixed block 5 backward to make the slider 9 move outward along the slide groove 8, and the tension spring 7 is extended, so that the second slot 11 is separated from the block 12. At this time, the L-shaped plate 6 loses its restriction, and the L-shaped plate 6 is pushed upward to move upward along the guide rod 4. Then, the protective shell 2 is rotated to drive the L-shaped plate 6 to rotate 90°. At this time, the first slot 10 corresponds to the position of the block 12. Release the fixed block 5, and the tension spring 7 rebounds, so that the block 12 is engaged with the first slot 10. At this time, the position of the flipped L-shaped plate 6 and the protective shell 2 is fixed, and then the slide plate 16 is pulled out of the protective shell 2, and the tubular reactor body 17 is placed in the groove 1 through the placement rack 20 using a tool. 3, then the limit block 15 is clamped on the top of the placement rack 20 through the notch 18, and the threaded rod 19 is rotated to be inserted into the screw hole, so that the position of the limit block 15 is fixed, and then the position of the placement rack 20 is limited and fixed, and then the slide plate 16 is pushed to drive the tubular reactor body 17 into the interior of the furnace body 1, and then the protective shell 2 is closed to make the L-shaped plate 6 rotate and reset with it, and the L-shaped plate 6 is re-fixed through the cooperation of the second clamping groove 11 and the clamping block 12, and the heating tube is started to heat the tubular reactor body 17, so as to protect the staff and avoid the tubular reactor body 17 from rupturing during the heating process and causing harm to the employees.

[0027] In addition, the terms "disposed", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a mechanical connection; it can be directly connected, or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

Claims

1. A tubular reactor for producing biphenyl, comprising a furnace body (1) and a tubular reactor body (17), characterized in that: The top of the furnace body (1) is movably connected to a protective shell (2), the upper surface of the protective shell (2) is fixedly connected to two guide rods (4), an L-shaped plate (6) is movably connected between the two guide rods (4), a slide groove (8) is provided on one side of the outer wall of the furnace body (1), a slider (9) is movably connected in the slide groove (8), one side of the slider (9) is fixedly connected to a fixed block (5), one side of the fixed block (5) is fixedly connected to a tension spring (7), and the tension spring (7) The fixing block (5) is fixed to the slide groove (8), a second slot (11) is provided at the bottom of the fixing block (5), a block (12) is fixedly connected to one side of the L-shaped plate (6), and the second slot (11) is engaged with the block (12), a first slot (10) is provided at the bottom of the fixing block (5), and the first slot (10) can be engaged with the block (12), and a movable placement component for the tubular reactor body (17) is provided inside the furnace body (1).

2. A tubular reactor for producing biphenyl according to claim 1, characterized in that: The placement assembly comprises a slide plate (16), the slide plate (16) is slidably connected to the bottom inner wall of the furnace body (1), two grooves (13) are provided on the top of the slide plate (16), and placement racks (20) are provided inside the two grooves (13). The tubular reactor body (17) is fixed between the two placement racks (20), and limiting assemblies are provided at both ends of the placement racks (20).

3. A tubular reactor for producing biphenyl according to claim 2, characterized in that: The limiting assembly comprises two limiting blocks (15), the limiting blocks (15) are in contact with the placement rack (20), a notch (18) is provided inside the limiting blocks (15), and two ends of the placement rack (20) are located inside the notch (18).

4. A tubular reactor for producing biphenyl according to claim 3, characterized in that: A fixing plate (14) is fixedly connected to one side of the limit block (15), a threaded rod (19) is movably connected inside the fixing plate (14), two screw holes are provided at the bottom of the groove (13), and the threaded rod (19) is threadedly connected to the screw holes.

5. A tubular reactor for producing biphenyl according to claim 1, characterized in that: The top end of the guide rod (4) is fixedly connected to a baffle (3).

6. A tubular reactor for producing biphenyl according to claim 1, characterized in that: A plurality of heating tubes are provided on the inner wall of one side of the furnace body (1).

7. A tubular reactor for producing biphenyl according to claim 1, characterized in that: The top of the furnace body (1) is provided with two connection ports, and a feed pipe and a discharge pipe are respectively fixedly connected to the two connection ports.

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