Liquid material conveying device for crude benzene hydrogenation

Abstract

The utility model is applicable to the technical field of crude benzene hydrogenation, and provides a liquid material conveying device for crude benzene hydrogenation, which comprises a bottom plate, a hydrogen storage tank is arranged at the top of the bottom plate, one side of the top of the hydrogen storage tank is communicated with a liquid adding pipe, a reaction tank is arranged at one side of the bottom plate, and a mixing component is arranged at the top of the reaction tank; the mixing assembly comprises a mixing tank, a motor is installed in the middle of the top of the mixing tank, a disperser is installed at the top end in the mixing tank, a round hole is formed in the middle of the disperser, a penetrating hole is formed in the middle of the top of the mixing tank, and the penetrating hole communicates with the round hole; the mixing assembly is combined with the stirring device, so that the mixing efficiency is conveniently improved, the processing efficiency is improved through the mixing uniformity, and the flow is conveniently controlled by arranging the conveying pipeline and installing the control valve on the conveying pipeline.

Description

Technical Field

[0001] This utility model belongs to the field of crude benzene hydrogenation technology, and in particular relates to a liquid material conveying device for crude benzene hydrogenation. Background Technology

[0002] In the crude benzene hydrogenation production process, hydrogen gas needs to be introduced into the reactor body and the crude benzene production liquid inside the reactor body needs to be heated. Therefore, hydrogen gas needs to be intermittently added to the crude benzene hydrogenation reactor in the crude benzene hydrogenation production process so that the reaction can proceed smoothly.

[0003] Application No. 202322920221.8 discloses a liquid material conveying device for a crude benzene hydrogenation process, relating to the field of crude benzene hydrogenation technology, specifically a liquid material conveying device for a crude benzene hydrogenation process, including a hydrogen storage tank and a reaction vessel for reacting crude benzene with hydrogen gas. The hydrogen storage tank is connected by a pipeline, and the reaction vessel is equipped with a gas pump, a feed pipe, and a discharge pipe. Through the coordinated arrangement of a clamping assembly and a lifting assembly, the liquid material conveying device for the crude benzene hydrogenation process achieves the effect of fixing the hydrogen storage tank. The hydrogen storage tank is clamped and fixed by two first clamps and two second clamps in the clamping assembly, and the height of the clamping assembly is adjusted by raising and lowering the lifting assembly, so that the clamping assembly can be appropriately adjusted according to the height of the hydrogen storage tank, thereby achieving the purpose of fixing the hydrogen storage tank and avoiding local vibration caused by pressure changes when releasing hydrogen gas. This allows the fixed hydrogen storage tank to stably convey hydrogen gas, making the hydrogen delivery more stable.

[0004] The existing technology still has the following shortcomings:

[0005] In existing technologies, adding liquid hydrogen directly to the reaction tank via pipelines can easily lead to uneven mixing and slow reaction efficiency. Furthermore, the aforementioned delivery method cannot adjust the delivery flow rate. Utility Model Content

[0006] This invention provides a liquid material conveying device for crude benzene hydrogenation, which aims to solve the problems of the prior art where hydrogen liquid is directly added to the reaction tank through a pipeline, which easily leads to uneven mixing, slow reaction efficiency, and the inability to adjust the conveying flow rate.

[0007] This utility model is implemented as follows: a liquid material conveying device for crude benzene hydrogenation includes: a base plate, a hydrogen storage tank disposed on the top of the base plate, a liquid addition pipe connected to one side of the top of the hydrogen storage tank, a reaction tank disposed on one side of the base plate, and a mixing assembly disposed on the top of the reaction tank; the mixing assembly includes a mixing tank, a motor mounted in the middle of the top of the mixing tank, a disperser mounted at the top of the interior of the mixing tank, a circular hole being formed in the middle of the disperser, and an insertion hole being formed in the middle of the top of the mixing tank, the insertion hole and the circular hole being connected; the output end of the motor passes through the circular hole and the insertion hole and is fixedly connected to a rotating rod inside the mixing tank; several stirring rods are fixedly connected to the rotating rod from top to bottom around its perimeter, and the extension end of the rotating rod is rotatably connected to the middle of the bottom of the interior of the mixing tank.

[0008] Preferably, the mixing assembly further includes a delivery pump installed on one side of the top of the mixing tank; the discharge end of the delivery pump passes through the mixing tank and is connected to the disperser; a delivery pipe connects the suction end of the delivery pump and the hydrogen storage tank.

[0009] Preferably, a control valve is installed on the conveying pipeline, the conveying pipeline is made of pressure-resistant and corrosion-resistant material, and a feeding pipe is connected to the other side of the top of the mixing tank.

[0010] Preferably, the reaction vessel is equipped with a stirring device and a heating device.

[0011] Preferably, a fixing column is fixedly connected to both sides of the mixing tank and the reaction tank, and a discharge pipe is connected to the bottom center of the reaction tank.

[0012] Preferably, the bottom of the mixing tank is connected to two feed pipes on both sides, and valves are installed on both feed pipes and the discharge pipe.

[0013] Preferably, the base plate is provided with a fixed buffer assembly, which includes side plates fixedly connected to the front and rear sides of the base plate respectively. The two side plates are provided with mounting grooves in the middle of their adjacent sides. Screw slides are installed inside the two mounting grooves respectively. Electric telescopic rods are fixedly connected to the two sliders of the two screw slides on their adjacent sides respectively. Connecting seats are fixedly connected to the telescopic ends of the two electric telescopic rods respectively.

[0014] Preferably, the fixed buffer assembly further includes two connecting seats that are detachably and fixedly connected to a fixed cover on one side close to each other. The two fixed covers have grooves on one side close to each other. Fixed seats are slidably connected inside the two grooves. Rubber blocks are fixedly connected to one side close to each of the two fixed seats. Arc-shaped grooves are formed on one side close to each of the two rubber blocks. The two arc-shaped grooves contact the two sides of the hydrogen storage tank. Two dampers are directly fixedly connected to the bottom of the inner walls of the two fixed seats and the two grooves. Buffer springs are fitted on all four dampers.

[0015] Compared with the prior art, the embodiments of this application have the following main advantages:

[0016] By incorporating mixing components into a stirring device, mixing efficiency can be improved. By increasing the uniformity of mixing, processing efficiency can be enhanced. Furthermore, by installing a conveying pipeline with a control valve, flow rate can be easily controlled. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a front view structural diagram of the present invention;

[0019] Figure 3 This is a side view structural diagram of the present invention;

[0020] Figure 4 This is a side view structural diagram of the present invention;

[0021] Figure 5 This is a top view cross-sectional structural diagram of the fixing cover of this utility model;

[0022] Figure 6 This is a schematic diagram of the internal cross-sectional structure of the mixing tank of this utility model;

[0023] In the diagram: 1. Base plate; 2. Hydrogen storage tank; 3. Reaction vessel; 4. Mixing assembly; 5. Fixed buffer assembly; 6. Mixing tank; 7. Feed pipe; 8. Motor; 9. Transfer pump; 10. Disperser; 11. Circular hole; 12. Rotating rod; 13. Stirring rod; 14. Conveying pipe; 15. Control valve; 16. Fixed column; 17. Feed pipe; 18. Stirring device; 19. Discharge pipe; 20. Side plate; 21. Electric telescopic rod; 22. Connecting seat; 23. Fixed cover; 24. Groove; 25. Fixed seat; 26. Rubber block; 27. Damper; 28. Buffer spring; 29. ​​Mounting groove; 30. Screw slide; 31. Liquid filling pipe. Detailed Implementation

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein in the specification of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having," and any variations thereof, in the specification, claims, and foregoing drawings of this application are intended to cover non-exclusive inclusion. The terms "first," "second," etc., in the specification, claims, or foregoing drawings of this application are used to distinguish different objects, not to describe a particular order.

[0025] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0026] This utility model embodiment provides a liquid material conveying device for crude benzene hydrogenation, such as... Figure 1-6 As shown, it includes: a base plate 1, a hydrogen storage tank 2 on the top of the base plate 1, a liquid addition pipe 31 connected to one side of the top of the hydrogen storage tank 2, a reaction tank 3 on one side of the base plate 1, and a mixing assembly 4 on the top of the reaction tank 3; the mixing assembly 4 includes a mixing tank 6, a motor 8 installed in the middle of the top of the mixing tank 6, a disperser 10 installed at the top of the interior of the mixing tank 6, a circular hole 11 opened in the middle of the disperser 10, and an insertion hole opened in the middle of the top of the mixing tank 6, the insertion hole and the circular hole 11 being connected; the output end of the motor 8 passes through the circular hole 11 and the insertion hole and is fixedly connected to a rotating rod 12 inside the mixing tank 6, and several stirring rods 13 are fixedly connected to the rotating rod 12 from top to bottom, the extension end of the rotating rod 12 being rotatably connected to the middle of the bottom of the interior of the mixing tank 6.

[0027] It should be noted that, in the existing technology, adding liquid hydrogen directly to the reaction tank 3 through a pipeline can easily lead to uneven mixing and slow reaction efficiency. In addition, the above-mentioned conveying method cannot adjust the conveying flow rate. This solution improves the mixing efficiency by setting up a mixing component 4 in conjunction with a stirring device 18, thereby improving the processing efficiency through improved mixing uniformity.

[0028] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, the mixing assembly 4 also includes a delivery pump 9 installed on one side of the top of the mixing tank 6; the discharge end of the delivery pump 9 passes through the mixing tank 6 and is connected to the disperser 10; a delivery pipe 14 connects the suction end of the delivery pump 9 and the hydrogen storage tank 2.

[0029] In this embodiment, a delivery pipe 14 is provided, and a control valve 15 is installed on the delivery pipe 14 to facilitate flow control.

[0030] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, a control valve 15 is installed on the conveying pipe 14. The conveying pipe 14 is made of pressure-resistant and corrosion-resistant material. A feeding pipe 7 is connected to the other side of the top of the mixing tank 6.

[0031] In this embodiment, the materials used for easy hydrogen transport and for pressure and corrosion resistance are existing technologies, and will not be described in detail here.

[0032] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, the reaction vessel 3 is equipped with a stirring device 18 and a heating device.

[0033] In this embodiment, it is convenient to further improve the reaction efficiency.

[0034] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, a fixing column 16 is fixedly connected to both sides of the mixing tank 6 and the reaction tank 3, and a discharge pipe 19 is connected to the bottom center of the reaction tank 3.

[0035] In this embodiment, material discharge is facilitated.

[0036] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, the bottom of the mixing tank 6 is connected to the two sides of the feed pipe 17, and valves are installed on both feed pipes 17 and the discharge pipe 19.

[0037] In this embodiment, for ease of material feeding, preferably, the feed pipe 17 is made of a corrosion-resistant material.

[0038] In a further preferred embodiment of this utility model, such as Figure 1-4 As shown, a fixed buffer assembly 5 is provided on the base plate 1. The fixed buffer assembly 5 includes side plates 20 that are fixedly connected to the front and rear sides of the base plate 1 respectively. The middle of the side plates 20 that are close to each other is provided with mounting grooves 29. The inside of the two mounting grooves 29 is respectively installed with a lead screw slide 30. The two sliders of the two lead screw slides 30 are fixedly connected to the side that are close to each other with electric telescopic rods 21 respectively. The telescopic ends of the two electric telescopic rods 21 are fixedly connected to connecting seats 22 respectively.

[0039] In this embodiment, a limit rod is provided on the lead screw slide 30. The limit rod guides the movement of the slider of the lead screw slide 30, making its movement more stable. The specific structure of the lead screw slide 30 is existing technology, and this technical solution will not be described in detail here. The two electric telescopic rods 21 are controlled by the controller to run synchronously at the same speed.

[0040] In a further preferred embodiment of this utility model, such as Figure 1-5 As shown, the fixed buffer assembly 5 also includes two connecting seats 22 that are detachably and fixedly connected to fixed covers 23 on one side close to each other. The two fixed covers 23 have grooves 24 on one side close to each other. Fixed seats 25 are slidably connected inside the two grooves 24. Rubber blocks 26 are fixedly connected to one side close to each other on the two fixed seats 25. Arc-shaped grooves are opened on one side close to each other on the two rubber blocks 26. The two arc-shaped grooves contact the two sides of the hydrogen storage tank 2. Two dampers 27 are directly fixedly connected to the bottom of the inner walls of the two fixed seats 25 and the two grooves 24. Buffer springs 28 are sleeved on all four dampers 27.

[0041] In this embodiment, it is convenient to position the hydrogen storage tank 2 and to buffer and reduce vibration when excessive pressure causes vibration. Preferably, a pressure gauge is installed on the hydrogen storage tank 2.

[0042] All electrical components mentioned in this article are electrically connected to the controller and power supply. The control method of this utility model is controlled by the controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art. The power supply is also common knowledge in the art. Furthermore, this utility model is mainly used to protect mechanical devices, so the control method and circuit connection will not be explained in detail.

[0043] It should be noted that, for the sake of simplicity, the foregoing embodiments are all described as a series of actions. However, those skilled in the art should understand that the present invention is not limited to the described order of actions, as some steps may be performed in other orders or simultaneously according to the present invention. Furthermore, those skilled in the art should also understand that the embodiments described in the specification are preferred embodiments, and the actions and modules involved are not necessarily essential to the present invention.

[0044] It should be understood that the disclosed apparatus can be implemented in other ways, given the several embodiments provided in this application. For example, the apparatus embodiments described above are merely illustrative. For instance, the division of units described above may be implemented in other ways in practice. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or communication connections shown or discussed may be through some interfaces; indirect coupling or communication connections between devices or units may be telecommunications or other forms.

[0045] The units described above as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0046] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit the scope of protection of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model. Although this utility model has been described in detail with reference to the above embodiments, those skilled in the art can still combine, add, delete, or otherwise adjust the features of the various embodiments of this utility model according to the circumstances without conflict or creative effort, thereby obtaining different technical solutions that do not fundamentally depart from the concept of this utility model. These technical solutions are also within the scope of protection of this utility model.

Claims

1. A liquid material conveying device for crude benzene hydrogenation, characterized by, Include: The bottom plate (1), the top of the bottom plate (1) is provided with a hydrogen storage tank (2), one side of the top of the hydrogen storage tank (2) is communicated with a liquid adding pipe (31), one side of the bottom plate (1) is provided with a reaction tank (3), the top of the reaction tank (3) is provided with a mixing assembly (4); The mixing assembly (4) comprises a mixing tank (6), a motor (8) is installed in the middle of the top of the mixing tank (6), a disperser (10) is installed at the inner top end of the mixing tank (6), a circular hole (11) is formed in the middle of the disperser (10), a penetrating hole is formed in the middle of the top of the mixing tank (6), and the penetrating hole and the circular hole (11) are communicated; The output end of the motor (8) penetrates into the mixing tank (6) through the circular hole (11) and the penetrating hole and is fixedly connected with a rotating rod (12), a plurality of stirring rods (13) are fixedly connected around the rotating rod (12) from top to bottom in sequence, and the extension end of the rotating rod (12) is rotatably connected with the middle of the inner bottom end of the mixing tank (6).

2. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 1, wherein, The mixing assembly (4) further comprises a conveying pump (9) installed on one side of the top of the mixing tank (6); The discharge end of the conveying pump (9) communicates with the mixing tank (6) and the disperser (10); The suction end of the conveying pump (9) and the hydrogen storage tank (2) are communicated through a conveying pipeline (14).

3. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 2, wherein A control valve (15) is installed on the conveying pipeline (14), the conveying pipeline (14) is made of a pressure-resistant and corrosion-resistant material, and the other side of the top of the mixing tank (6) is communicated with a feeding pipe (7).

4. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 2, wherein The reaction tank (3) is provided with a stirring device (18) and a heating device.

5. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 1, wherein Fixed columns (16) are fixedly connected between the mixing tank (6) and the reaction tank (3) on both sides, respectively, a discharge pipe (19) is communicated with the middle of the bottom of the reaction tank (3).

6. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 5, wherein Valves are installed on the two inlet pipes (17) and the discharge pipe (19) of the bottom of the mixing tank (6).

7. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 1, wherein A fixed buffering assembly (5) is arranged on the bottom plate (1), the fixed buffering assembly (5) comprises side plates (20) fixedly connected with the front and rear sides of the bottom plate (1), respectively, installation grooves (29) are formed in the middle of one side of each of the two side plates (20) close to each other, screw rod sliding tables (30) are installed in the inner parts of the two installation grooves (29), respectively, two sliders of the two screw rod sliding tables (30) are fixedly connected with electric telescopic rods (21) on one side close to each other, respectively, and the telescopic ends of the two electric telescopic rods (21) are fixedly connected with connecting seats (22), respectively.

8. A liquid material transfer device for crude benzol hydrogenation as set forth in claim 7, wherein The fixed buffer assembly (5) further includes two connecting seats (22) on one side close to each other, and a fixed cover (23) is detachably connected to each connecting seat (22), two recesses (24) are formed on one side close to each other of the two fixed covers (23), a fixed seat (25) is slidably connected in each recess (24), a rubber block (26) is fixedly connected to one side close to each other of the two fixed seats (25), an arc-shaped groove is formed on one side close to each other of the two rubber blocks (26), the two arc-shaped grooves are in contact with two sides of the hydrogen storage tank (2), two dampers (27) are directly fixedly connected to the inner wall bottom of the two recesses (24) and the two fixed seats (25), and a buffer spring (28) is sleeved on each damper (27).

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