Efficient hydrogen mixing structure of light hydrocarbon hydrogenation device

Abstract

The utility model relates to the technical field of light hydrocarbon hydrogenation, in particular to an efficient hydrogen mixing structure of a light hydrocarbon hydrogenation device. The device comprises a mixing tank, gas acceleration mechanisms are fixedly mounted on two sides of the top of the surface of the mixing tank, a preheating pipe is fixedly mounted at one end of each gas acceleration mechanism, a preheating mechanism is fixedly arranged on the inner wall of each preheating pipe, and a tank cover is movably mounted on the top surface of the mixing tank. According to the efficient hydrogen mixing structure of the light hydrocarbon hydrogenation device, through the arrangement of the gas acceleration mechanism and the preheating mechanism, an external power supply is communicated to electrify an electric heating rod, preheating pipes are heated, hydrogen and mixed hydrocarbon semi-components are introduced from the preheating pipes on the two sides, gas is preheated when passing through the preheating pipes, gas molecules move more actively, and the hydrogen mixing efficiency is improved. When the hydrogen enters the closing-in straight-through pipe from the flaring cover pipe, the flow rate of the gas is increased, and at the moment, the hydrogen and the mixed hydrocarbon semi-component are in collision contact, so that the gas can be fully and efficiently mixed.

Description

Technical Field

[0001] The utility model relates to the technical field of light hydrocarbon hydrogenation, in particular to a high-efficiency hydrogen mixing structure of a light hydrocarbon hydrogenation device. Background Art

[0002] As a new type of energy conversion technology, mixed hydrocarbon semi-component hydrogenation technology originated in the petrochemical industry and is used to improve oil quality. Petroleum products contain impurities such as mercaptans and sulfides, which seriously affect product quality. By applying hydrogenation technology to light hydrocarbon separation units in crude oil fields, the impurity content of products, especially impurities such as sulfur and chlorine, can be greatly reduced, thereby providing downstream chemical companies with cleaner raw materials and improving energy utilization efficiency.

[0003] However, when traditional mixed hydrocarbon semi-components react with hydrogen, insufficient gas mixing and low mixing efficiency are likely to occur, thereby affecting the efficiency and effect of removing impurities in petroleum products.

[0004] Therefore, an efficient hydrogen mixing structure for a light hydrocarbon hydrogenation unit is proposed. Summary of the Invention

[0005] The purpose of the utility model is to provide a high-efficiency hydrogen mixing structure for a light hydrocarbon hydrogenation device, so as to solve the problems of insufficient gas mixing and low mixing efficiency.

[0006] To achieve the above-mentioned objectives, a high-efficiency hydrogen mixing structure for a light hydrocarbon hydrogenation device is provided, comprising a mixing tank, gas acceleration mechanisms are fixedly installed on both sides of the top surface of the mixing tank, a preheating tube is fixedly installed at one end of the gas acceleration mechanism, a preheating mechanism is fixedly provided on the inner wall of the preheating tube, a tank cover is movably installed on the top surface of the mixing tank, a servo motor is fixedly installed on the top surface of the tank cover, a stirring mechanism is fixedly provided on the output end of the servo motor passing through the tank cover, a cavity is opened on the inner wall of the mixing tank, and a heating mechanism is fixedly provided inside the cavity.

[0007] As a further improvement of the present technical solution, the gas acceleration mechanism includes a closing straight-through pipe and an expanding mouth pipe, one end of the closing straight-through pipe is fixedly mounted on the surface of the mixing tank, and one end of the expanding mouth pipe is fixedly connected to the closing straight-through pipe, and the expanding mouth pipe and the closing straight-through pipe are used to increase the gas flow rate.

[0008] As a further improvement of the present technical solution, the preheating mechanism includes an electric heating rod and a first temperature controller. The electric heating rod is fixedly arranged on the inner wall of the preheating tube. The first temperature controller is electrically connected to the electric heating rod. The first temperature controller is used to control the heating temperature of the electric heating rod.

[0009] As a further improvement of the present technical solution, the stirring mechanism includes a transmission shaft and stirring blades. The transmission shaft is fixedly arranged at the output end of the servo motor. The stirring blades are in several groups and are distributed axially from top to bottom on the surface of the transmission shaft. The stirring blades are used to accelerate gas mixing.

[0010] As a further improvement of the present technical solution, the heating mechanism includes an electric heating plate and a second temperature controller. The electric heating plate is fixedly arranged inside the cavity. The second temperature controller is electrically connected to the electric heating plate. The second temperature controller is used to control the heating temperature of the electric heating plate.

[0011] As a further improvement of this technical solution, a motor protective cover is sleeved on the surface of the servo motor, the bottom surface of the motor protective cover is fixedly connected to the tank cover, and a heat dissipation net is provided on the surface of the motor protective cover, which is used to protect the servo motor.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] 1. In the efficient hydrogen mixing structure of the light hydrocarbon hydrogenation unit, the gas acceleration mechanism and the preheating mechanism are set up, and the external power supply is connected to energize the electric heating rod to heat the preheating tube. Hydrogen and mixed hydrocarbon semi-components are introduced from the preheating tubes on both sides respectively. The gas is preheated when passing through the preheating tube, making the gas molecules move more actively. Then, when entering the straight-through tube from the expanded cover tube, the flow rate of the gas is accelerated. At this time, the hydrogen and mixed hydrocarbon semi-components collide and contact, so that the gas can be fully and efficiently mixed.

[0014] 2. In the efficient hydrogen mixing structure of the light hydrocarbon hydrogenation unit, the servo motor drives the transmission shaft and stirring blades to rotate through the setting of the stirring mechanism. The stirring blades further mix the hydrogen and the mixed hydrocarbon semi-components, thereby improving the mixing efficiency and effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the utility model as a whole;

[0017] Figure 3 This is a schematic structural diagram of the gas acceleration mechanism of the utility model;

[0018] Figure 4 This is a schematic structural diagram of the stirring mechanism of the utility model;

[0019] Figure 5 It is a structural diagram of the heating mechanism of the present utility model.

[0020] The meaning of each number in the figure is:

[0021] 1. Mixing tank; 2. Gas acceleration mechanism; 201. Closing straight-through pipe; 202. Expanding housing pipe; 3. Preheating pipe; 4. Preheating mechanism; 401. Electric heating rod; 402. First temperature controller; 5. Tank cover; 6. Servo motor; 7. Stirring mechanism; 701. Drive shaft; 702. Stirring blades; 8. Heating mechanism; 801. Electric heating plate; 802. Second temperature controller; 9. Motor protective cover. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0024] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0025] See also Figure 1-Figure 5As shown, the purpose of this embodiment is to provide an efficient hydrogen mixing structure for a light hydrocarbon hydrogenation device, comprising a mixing tank 1, gas acceleration mechanisms 2 are fixedly mounted on both sides of the top of the mixing tank 1, a preheating tube 3 is fixedly mounted on one end of the gas acceleration mechanism 2, and a preheating mechanism 4 is fixedly mounted on the inner wall of the preheating tube 3. By setting the gas acceleration mechanism 2 and the preheating mechanism 4, an external power source is connected to energize the electric heating rod 401 to heat the preheating tube 3, and hydrogen and mixed hydrocarbon half components are introduced from the preheating tubes 3 on both sides respectively. The gas is preheated when passing through the preheating tube 3, making the gas molecules move more actively, and then accelerating the flow rate of the gas when entering the closed straight tube 201 from the expanded cover tube 202. At this time, the hydrogen and the mixed hydrocarbon half components collide and contact, so that the gas can be fully and efficiently mixed.

[0026] A tank cover 5 is movably installed on the top surface of the mixing tank 1, and a servo motor 6 is fixedly installed on the top surface of the tank cover 5. The output end of the servo motor 6 passes through the tank cover 5 and is fixedly provided with a stirring mechanism 7. Through the setting of the stirring mechanism 7, the servo motor 6 drives the transmission shaft 701 and the stirring blade 702 to rotate. The stirring blade 702 further mixes the hydrogen and the mixed hydrocarbon semi-components, thereby improving the mixing efficiency and effect. A cavity is opened on the inner wall of the mixing tank 1, and a heating mechanism 8 is fixedly provided inside the cavity.

[0027] See also Figure 3 The gas acceleration mechanism 2 includes a closing straight-through pipe 201 and an expansion housing pipe 202 , one end of the closing straight-through pipe 201 is fixedly mounted on the surface of the mixing tank 1 , and one end of the expansion housing pipe 202 is fixedly connected to the closing straight-through pipe 201 .

[0028] The provision of the gas acceleration mechanism 2 can increase the speed at which the gas enters the mixing tank 1 .

[0029] See also Figure 3 The preheating mechanism 4 includes an electric heating rod 401 and a first temperature controller 402 . The electric heating rod 401 is fixedly arranged on the inner wall of the preheating tube 3 . The first temperature controller 402 is electrically connected to the electric heating rod 401 .

[0030] The provision of the preheating mechanism 4 can preheat the gas, making the gas molecules move more actively.

[0031] See also Figure 4 The stirring mechanism 7 includes a transmission shaft 701 and stirring blades 702. The transmission shaft 701 is fixedly arranged at the output end of the servo motor 6. The stirring blades 702 are in several groups and are distributed on the surface of the transmission shaft 701 from top to bottom along the axial direction.

[0032] By setting the stirring mechanism 7, the servo motor 6 drives the transmission shaft 701 and the stirring blades 702 to rotate, and the stirring blades 702 further mix the hydrogen and the mixed hydrocarbon semi-components, thereby improving the mixing efficiency and effect.

[0033] See also Figure 5 The heating mechanism 8 includes an electric heating plate 801 and a second temperature controller 802 . The electric heating plate 801 is fixedly arranged inside the cavity, and the second temperature controller 802 is electrically connected to the electric heating plate 801 .

[0034] The provision of the heating mechanism 8 serves to heat the gas.

[0035] See also Figure 4 The surface of the servo motor 6 is sleeved with a motor protective cover 9, the bottom surface of the motor protective cover 9 is fixedly connected to the tank cover 5, and the surface of the motor protective cover 9 is provided with a heat dissipation net.

[0036] The motor protection cover 9 is provided to protect the servo motor 6 .

[0037] Working steps: connect the external power supply to energize the electric heating rod 401 to heat the preheating tube 3, and introduce hydrogen and mixed hydrocarbon half components from the preheating tubes 3 on both sides respectively;

[0038] The gas is preheated when passing through the preheating tube 3, making the gas molecules move more actively. Then, when the gas enters the closing straight tube 201 from the expansion cover tube 202, the flow rate of the gas is accelerated. At this time, the hydrogen and the mixed hydrocarbon half components collide and contact, so that the gas can be fully and efficiently mixed.

[0039] The servo motor 6 drives the transmission shaft 701 and the stirring blades 702 to rotate. The stirring blades 702 further mix the hydrogen and the mixed hydrocarbon semi-components, thereby improving the mixing efficiency and effect.

[0040] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely preferred examples of the present invention and are not intended to limit the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A high-efficiency hydrogen mixing structure for a light hydrocarbon hydrogenation unit, characterized by: The invention comprises a mixing tank (1), wherein gas acceleration mechanisms (2) are fixedly installed on both sides of the top of the mixing tank (1), a preheating tube (3) is fixedly installed at one end of the gas acceleration mechanism (2), and a preheating mechanism (4) is fixedly provided on the inner wall of the preheating tube (3), a tank cover (5) is movably installed on the top surface of the mixing tank (1), a servo motor (6) is fixedly installed on the top surface of the tank cover (5), an output end of the servo motor (6) passes through the tank cover (5) and is fixedly provided with a stirring mechanism (7), a cavity is opened on the inner wall of the mixing tank (1), and a heating mechanism (8) is fixedly provided inside the cavity.

2. The high-efficiency hydrogen mixing structure of the light hydrocarbon hydrogenation unit according to claim 1 is characterized in that: The gas acceleration mechanism (2) comprises a closing straight-through pipe (201) and an expanding housing pipe (202), one end of the closing straight-through pipe (201) is fixedly mounted on the surface of the mixing tank (1), and one end of the expanding housing pipe (202) is fixedly connected to the closing straight-through pipe (201).

3. The high-efficiency hydrogen mixing structure of the light hydrocarbon hydrogenation unit according to claim 1 is characterized in that: The preheating mechanism (4) comprises an electric heating rod (401) and a first temperature controller (402), wherein the electric heating rod (401) is fixedly arranged on the inner wall of the preheating tube (3), and the first temperature controller (402) is electrically connected to the electric heating rod (401).

4. The high-efficiency hydrogen mixing structure of the light hydrocarbon hydrogenation unit according to claim 1 is characterized in that: The stirring mechanism (7) comprises a transmission shaft (701) and stirring blades (702), wherein the transmission shaft (701) is fixedly arranged at the output end of the servo motor (6), and the stirring blades (702) are provided in a plurality of groups and are distributed on the surface of the transmission shaft (701) from top to bottom along the axial direction.

5. The high-efficiency hydrogen mixing structure of the light hydrocarbon hydrogenation unit according to claim 1 is characterized in that: The heating mechanism (8) comprises an electric heating plate (801) and a second temperature controller (802), wherein the electric heating plate (801) is fixedly arranged inside the cavity, and the second temperature controller (802) is electrically connected to the electric heating plate (801).

6. The high-efficiency hydrogen mixing structure of the light hydrocarbon hydrogenation unit according to claim 1, characterized in that: A motor protective cover (9) is sleeved on the surface of the servo motor (6), the bottom surface of the motor protective cover (9) is fixedly connected to the tank cover (5), and a heat dissipation net is provided on the surface of the motor protective cover (9).

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