Liquid tank gas inerting experiment device

Abstract

The utility model belongs to the technical field of liquid tank gas inerting experiments, and particularly relates to a liquid tank gas inerting experiment device which comprises a liquid tank body, an experiment mechanism is arranged on the liquid tank body, and the experiment mechanism comprises a mixing assembly, a first rotating assembly and a second rotating assembly, the bottom end of the rotating rod is located in the liquid tank body, a pair of mixing wheels is fixedly connected to the rotating rod, and a driving assembly used for driving the rotating rod to rotate is arranged at the top of the liquid tank body; the replacement assembly comprises a first diaphragm pump which is fixedly connected to the outer circle wall of the liquid tank body through a pair of first L-shaped rods, the suction end of the first diaphragm pump is connected with a first connecting pipe, and the first connecting pipe penetrates through the inner wall of the liquid tank body, so that the problems that a traditional liquid tank gas inerting experiment device usually depends on natural diffusion of gas, and the experiment efficiency is low are solved. According to the method, the problems that the mixing efficiency is low, gas layering and dead angles are prone to occurring, and uneven mixing is caused are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of liquid tank gas inerting experiment, specifically a kind of liquid tank gas inerting experimental device. BACKGROUND

[0002] In chemical industry, petroleum and natural gas industries, liquid tank (such as storage tank, transport tank, etc.) is often used to store flammable and explosive liquid. In order to ensure safety, the gas environment in the liquid tank needs to be inerted, that is, by introducing inert gas (such as nitrogen) to reduce the oxygen concentration in the tank, to prevent the mixture of combustible gas and oxygen to form explosive gas.

[0003] In the prior art, the traditional liquid tank gas inerting experimental device usually relies on gas natural diffusion, and this method has low mixing efficiency, and is prone to gas stratification and dead angle, resulting in uneven mixing.

[0004] Therefore, the utility model provides a kind of liquid tank gas inerting experimental device. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the prior art, to solve the problem that the traditional liquid tank gas inerting experimental device usually relies on gas natural diffusion, and this method has low mixing efficiency, and is prone to gas stratification and dead angle, resulting in uneven mixing.

[0006] The utility model solves the technical scheme that the utility model discloses a kind of liquid tank gas inerting experimental device, including liquid tank body, experimental mechanism is arranged on the liquid tank body, the experimental mechanism includes: mixing assembly, including the rotation rod that is rotatably connected by the first rotating hole on the top of liquid tank body, and the rotation rod bottom end is located in the liquid tank body, a pair of mixing wheels are fixed to the rotation rod, the top of the liquid tank body is provided with the driving assembly for driving the rotation rod to rotate;

[0007] Replacement assembly, including the first diaphragm pump that is fixed to the outer circular wall of the liquid tank body by a pair of first L-shaped rods, the suction end of the first diaphragm pump is connected with the first connecting pipe, and the first connecting pipe penetrates the inner wall of the liquid tank body, the output end of the first diaphragm pump is connected with the second connecting pipe, the top of the liquid tank body is provided with input assembly for inputting gas;

[0008] Vibration assembly is arranged on the liquid tank body for vibrating gas.

[0009] Preferably, the driving assembly includes a first gear fixed to the rotation rod, the top of the liquid tank body is fixed with a motor by a pair of second L-shaped rods, the output end of the motor is provided with a driving rod, the bottom of the driving rod is fixed with a second gear, and the second gear is meshed and connected with the first gear.

[0010] Preferably, the input assembly includes a second diaphragm pump fixed to the top of the liquid tank body through a pair of third L-shaped rods, a third connecting pipe is connected to the suction end of the second diaphragm pump, and a fourth connecting pipe is connected to the output end of the diaphragm pump.

[0011] Preferably, one end of the fourth connecting pipe away from the second diaphragm pump is fixedly connected with a closed pipe, a through hole is formed in the rotating rod, and the closed pipe is rotatably connected to the top of the rotating rod.

[0012] Preferably, the vibration assembly includes a square rod slidably connected to the top of the liquid tank body through a square hole, the bottom of the square rod extends into the liquid tank body, a pair of vibration rings are fixed to the bottom of the square rod, a rectangular block is fixed to the top of the square rod, and an isosceles groove is formed in the rectangular block.

[0013] Preferably, a first bevel gear is fixed to the rotating rod, a fixed block is fixed to the top of the liquid tank body, a Z-shaped rod is rotatably connected to the fixed block through a second rotating hole, the Z-shaped rod is slidably connected to the isosceles groove, a second bevel gear is fixed to one end of the Z-shaped rod close to the rotating rod, and the second bevel gear is in meshing connection with the first bevel gear.

[0014] The liquid tank gas inerting experiment device has the following beneficial effects:

[0015] 1. The liquid tank gas inerting experiment device can generate stronger turbulence by driving a pair of mixing wheels through the rotating rod, can ensure that the inert gas and the original gas are fully mixed, can improve the mixing uniformity, and can solve the problem that the traditional liquid tank gas inerting experiment device usually relies on natural gas diffusion, the mixing efficiency of the traditional liquid tank gas inerting experiment device is low, gas stratification and dead angles are prone to occur, and the mixing is uneven.

[0016] 2. The liquid tank gas inerting experiment device can drive a pair of second bevel gears to rotate through the rotation of the rotating rod and the first bevel gear, can drive a pair of Z-shaped rods to rotate, and can drive the rectangular block to reciprocatingly ascend and descend when rotating, so that the mixing and diffusion of the gas are further promoted through high-frequency vibration, the gas aggregation is reduced, and the mixing uniformity is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be further described in connection with the drawings.

[0018] Figure 1 It is the perspective view of the utility model;

[0019] Figure 2 It is the schematic view in the utility model;

[0020] Figure 3 is a schematic view in the utility model;

[0021] Figure 4 is a schematic view in the utility model;

[0022] In the drawing: 1, liquid tank body; 2, rotating rod; 3, mixing wheel; 4, first diaphragm pump; 5, first connecting pipe; 6, second connecting pipe; 7, first gear; 8, motor; 9, drive rod; 10, second gear; 11, second diaphragm pump; 12, third connecting pipe; 13, fourth connecting pipe; 14, closed pipe; 15, through hole; 16, square rod; 17, vibration ring; 18, rectangular block; 19, isosceles groove; 20, first bevel gear; 21, fixed block; 22, Z-shaped rod; 23, second bevel gear. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1 to 4 shown, the utility model embodiment's one liquid tank gas inerting experiment device, including liquid tank body 1, be provided with experimental mechanism on liquid tank body 1, and experimental mechanism includes: mixing subassembly, including the rotating rod 2 of liquid tank body 1 top through first rotating hole rotation connection, and rotating rod 2 bottom end is located in liquid tank body 1, and is fixedly connected with a pair of mixing wheel 3 on rotating rod 2, and the drive assembly for driving rotating rod 2 rotation is provided on the top of liquid tank body 1; replacement subassembly, including the first diaphragm pump 4 of liquid tank body 1 outer circular wall through a pair of first L-shaped rod fixed connection, the suction end of first diaphragm pump 4 is connected with first connecting pipe 5, and first connecting pipe 5 penetrates liquid tank body 1 inner wall, and the output end of first diaphragm pump 4 is connected with second connecting pipe 6, and the input assembly for inputting gas is provided on the top of liquid tank body 1; vibration subassembly, set up on liquid tank body 1 for vibrating gas.

[0025] When working, the rotating rod 2 is arranged to drive a pair of mixing wheels 3 to mix, which can generate more intense turbulence, ensure that the inert gas and the original gas are fully mixed, improve the mixing uniformity, solve the problem that the traditional liquid tank gas inerting experiment device in the prior art usually relies on gas natural diffusion, which has low mixing efficiency and is prone to gas stratification and dead angle, resulting in uneven mixing.

[0026] The drive assembly includes a first gear 7 fixedly connected to the rotating rod 2, a motor 8 fixedly connected to the top of the liquid tank body 1 through a pair of second L-shaped rods, a drive rod 9 provided on the output end of the motor 8, a second gear 10 fixedly connected to the bottom of the drive rod 9, and the second gear 10 is in meshing connection with the first gear 7.

[0027] In working, the motor 8 drives the driving rod 9 to rotate, the driving rod 9 drives the second gear 10 to rotate, the second gear 10 drives the rotating rod 2 with the first gear 7 to rotate, and a pair of mixing wheels 3 are driven to rotate.

[0028] The input assembly comprises a second diaphragm pump 11 fixed on the top of the liquid tank body 1 through a pair of third L-shaped rods, a third connecting pipe 12 connected to the suction end of the second diaphragm pump 11, and a fourth connecting pipe 13 connected to the output end of the diaphragm pump.

[0029] The fourth connecting pipe 13 is fixed with a closed pipe 14 at the end away from the second diaphragm pump 11, a through hole 15 is formed in the rotating rod 2, and the closed pipe 14 is rotatably connected to the top of the rotating rod 2.

[0030] In working, the diaphragm pump delivers gas to the through hole 15 in the rotating rod 2, directly to the bottom wall of the liquid tank body 1, and the gas directly reaches the bottom of the liquid tank through the through hole 15 of the rotating rod 2, which can quickly break the gas stratification phenomenon at the bottom, reduce the stratification and aggregation of gas in the liquid tank, and simultaneously mix through the mixing wheel 3. This design can ensure that the inert gas is uniformly distributed in the entire liquid tank, improving the mixing efficiency.

[0031] The vibration assembly comprises a square rod 16 slidably connected to the top of the liquid tank body 1 through a square hole, and the square rod 16 extends into the liquid tank body 1 at the bottom, a vibration ring 17 is fixed to the bottom of the square rod 16, a rectangular block 18 is fixed to the top of the square rod 16, and an isosceles groove 19 is formed in the rectangular block 18.

[0032] The rotating rod 2 is fixed with a first bevel gear 20, the top of the liquid tank body 1 is fixed with a fixed block 21, the fixed block is rotatably connected with a Z-shaped rod 22 through a second rotating hole, one end of the Z-shaped rod 22 is slidably connected in the isosceles groove 19, one end of the Z-shaped rod 22 close to the rotating rod 2 is fixed with a second bevel gear 23, and the second bevel gear 23 is meshingly connected with the first bevel gear 20.

[0033] In working, the rotating rod 2 drives the first bevel gear 20 to rotate, which drives a pair of second bevel gears 23 to rotate, thereby driving a pair of Z-shaped rods 22 to rotate, and one end of the Z-shaped rod 22 is slidably connected in the isosceles groove 19, which drives the rectangular block 18 to reciprocate up and down during rotation, thereby enabling the stirring and vibration to be performed simultaneously, further promoting the mixing and diffusion of gas through high-frequency vibration, reducing gas aggregation, and improving mixing uniformity.

[0034] Working principle: through the setting of the rotating rod 2 drive a pair of mixing wheel 3 mixing, can produce more intense turbulence, ensure that the inert gas and the original gas fully mixed, improve the mixing uniformity, solve the prior art, the traditional liquid tank gas inerting experimental device usually relies on the gas natural diffusion, this method mixing efficiency is low, easy to appear gas stratification and dead angle, lead to uneven mixing problem.

[0035] The driving assembly comprises a first gear 7 fixed on the rotating rod 2, a motor 8 is fixed on the top of the liquid tank body 1 through a pair of second L-shaped rods, the output end of the motor 8 is provided with a driving rod 9, and the bottom of the driving rod 9 is fixedly connected with a second gear 10, and the second gear 10 is meshed with the first gear 7.

[0036] In work, the motor 8 drives the driving rod 9 to rotate, the driving rod 9 drives the second gear 10 to rotate, so that the second gear 10 drives the rotating rod 2 fixed with the first gear 7 to rotate, that is, a pair of mixing wheels 3 are driven to rotate.

[0037] The gas is transported into the through hole 15 of the rotating rod 2 by the diaphragm pump, and directly reaches the inner bottom wall of the liquid tank body 1. The gas directly reaches the bottom of the liquid tank through the through hole 15 of the rotating rod 2, which can quickly break the gas stratification phenomenon at the bottom, reduce the stratification and aggregation of the gas in the liquid tank, and at the same time, the gas is mixed by the mixing wheel 3. This design can ensure that the inert gas is uniformly distributed in the whole liquid tank, and improve the mixing efficiency.

[0038] The first bevel gear 20 is driven to rotate by the rotating rod 2, that is, a pair of second bevel gears 23 are driven to rotate, so that a pair of Z-shaped rods 22 can be driven to rotate, and one end of the Z-shaped rod 22 is slidably connected in the isosceles groove 19. When rotating, the rectangular block 18 is driven to reciprocate, so that the stirring and vibration can be carried out at the same time, the gas mixing and diffusion are further promoted by high-frequency vibration, the gas aggregation is reduced, the mixing uniformity is improved, and then the intelligent control system is adopted. Including gas concentration sensor, pressure sensor, temperature sensor and microprocessor, the gas concentration, pressure and temperature in the liquid tank are monitored, and the data is transmitted to the microprocessor, and the experimental data is viewed in real time.

[0039] The above front, rear, left, right, top and bottom are based on the drawings in the specification Figure 1 As the standard of the human observation angle, the side of the device facing the observer is defined as the front, the left side of the observer is defined as the left, and the like.

[0040] In the description of the utility model, it is understood that the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the utility model.

[0041] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A liquid tank gas inerting experimental apparatus, comprising a liquid tank body (1), characterized in that: An experimental mechanism is provided on the liquid tank body (1), the experimental mechanism including: The mixing assembly includes a rotating rod (2) rotatably connected to the top of the liquid tank body (1) through a first rotating hole, and the bottom end of the rotating rod (2) is located inside the liquid tank body (1). A pair of mixing wheels (3) are fixed on the rotating rod (2), and a driving assembly for driving the rotating rod (2) to rotate is provided on the top of the liquid tank body (1). The replacement assembly includes a first diaphragm pump (4) fixed to the outer circular wall of the liquid tank body (1) by a pair of first L-shaped rods. The suction end of the first diaphragm pump (4) is connected to a first connecting pipe (5), and the first connecting pipe (5) penetrates the inner wall of the liquid tank body (1). The output end of the first diaphragm pump (4) is connected to a second connecting pipe (6). An input assembly for inputting gas is provided on the top of the liquid tank body (1). A vibration assembly is installed on the liquid tank body (1) for vibrating the gas.

2. The liquid tank gas inerting experimental apparatus according to claim 1, characterized in that: The drive assembly includes a first gear (7) fixedly connected to a rotating rod (2), a motor (8) fixedly connected to the top of the liquid tank body (1) via a pair of second L-shaped rods, a drive rod (9) provided at the output end of the motor (8), a second gear (10) fixedly connected to the bottom of the drive rod (9), and the second gear (10) meshing with the first gear (7).

3. The experimental apparatus for gas inerting in a liquid tank according to claim 1, characterized in that: The input component includes a second diaphragm pump (11) fixed to the top of the liquid tank body (1) by a pair of third L-shaped rods. The suction end of the second diaphragm pump (11) is connected to a third connecting pipe (12), and the output end of the diaphragm pump is connected to a fourth connecting pipe (13).

4. The liquid tank gas inerting experimental apparatus according to claim 3, characterized in that: The fourth connecting pipe (13) is fixed to a closed pipe (14) at one end away from the second diaphragm pump (11). A through hole (15) is opened on the rotating rod (2). The closed pipe (14) is rotatably connected to the top of the rotating rod (2).

5. The experimental apparatus for gas inerting in a liquid tank according to claim 1, characterized in that: The vibration assembly includes a square rod (16) slidably connected to the top of the liquid tank body (1) through a pair of square holes, and the bottom of the square rod (16) extends into the liquid tank body (1). A vibration ring (17) is fixed to the bottom of the pair of square rods (16), and a rectangular block (18) is fixed to the top of the square rods (16). An isosceles groove (19) is provided on the rectangular block (18).

6. The liquid tank gas inerting experimental apparatus according to claim 5, characterized in that: A first bevel gear (20) is fixedly connected to the rotating rod (2), and a fixing block (21) is fixedly connected to the top of the liquid tank body (1). A Z-shaped rod (22) is rotatably connected to the fixing block through a second rotating hole. One end of the Z-shaped rod (22) is slidably connected to an isosceles groove (19). A second bevel gear (23) is fixedly connected to the end of the Z-shaped rod (22) near the rotating rod (2). The second bevel gear (23) meshes with the first bevel gear (20).

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