Liquefied gas storage tank with good internal supporting performance

Abstract

The utility model discloses a liquefied gas storage tank with good internal supporting performance, which is characterized in that a left end cover and a right end cover are arranged at two ends of a tank body, a plurality of internal supporting frames are uniformly arranged in the tank body, and the central positions of the adjacent internal supporting frames are connected through a long central supporting rod; a short center supporting rod and an end supporting rod are arranged on the outer sides of the inner supporting frames located at the two ends respectively, and the outer end of the short center supporting rod and the outer end of the end supporting rod are connected with the inner wall of the left end cover and the inner wall of the right end cover. The inner supporting frames are transversely supported through a long center supporting rod, and the outer ends of the inner supporting frames at the two ends are provided with a short center supporting rod and a plurality of end supporting rods respectively to support the end covers, so that the inner supporting performance of the tank body, the left end cover and the right end cover is greatly improved; the probability of deformation of the tank body, the left end cover and the right end cover caused by overlarge pressure inside and outside the storage tank due to temperature difference in the long-term use process is reduced, and the service life of the storage tank is greatly prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of liquefied gas storage tanks, in particular to a liquefied gas storage tank with good internal supportability. Background Technique

[0002] A liquefied gas storage tank is a professional product for storing liquefied petroleum gas, belonging to special equipment, a class III pressure vessel, made of Q345R material, and completed through processes such as flaw detection, hydrostatic and pneumatic tests, on-site inspection by the technical supervision bureau, and issuing a pressure vessel inspection certificate, external derusting and painting.

[0003] Most of the existing liquefied gas storage tanks are of a hollow structure with poor internal supportability. When the weather is hot or cold, the pressure difference inside and outside the storage tank will change continuously, and the tank body or end cover of the storage tank may be deformed due to insufficient internal supportability of the storage tank, thus affecting the service life of the storage tank. Therefore, an improved technology is urgently needed to solve this problem existing in the prior art. Content of the Utility Model

[0004] The purpose of the utility model is to provide a liquefied gas storage tank with good internal supportability. A number of internal support frames are arranged inside the tank body, and the internal support frames are also horizontally supported by a long central support rod. At the outer ends of the internal support frames at both ends, a short central support rod and a number of end support rods are respectively arranged, and the corresponding short central support rod and end support rod are respectively welded to the inner sides of the left end cover and the right end cover, thereby greatly improving the internal supportability of the tank body, the left end cover and the right end cover, reducing the probability of deformation of the tank body, the left end cover and the right end cover caused by excessive internal and external pressures of the storage tank due to temperature difference during long-term use, and greatly improving the service life of the storage tank, so as to solve the problems put forward in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A liquefied gas storage tank with good internal supportability, including a tank body, a left end cover, a right end cover, internal support frames, a long central support rod, a short central support rod and end support rods. A number of support seats are arranged on the lower surface of the tank body. The left end cover and the right end cover are arranged at both ends of the tank body. A liquefied gas inlet is arranged on the upper surface of the tank body. A liquefied gas outlet is arranged on the lower surface of the tank body. A number of internal support frames are evenly arranged inside the tank body. The central positions of adjacent internal support frames are connected by a long central support rod. The central positions outside the internal support frames at both ends are respectively connected with a short central support rod. The outer end of the short central support rod near one end of the left end cover is connected with the central position of the inner wall of the left end cover. The outer end of the short central support rod near one end of the right end cover is connected with the central position of the inner wall of the right end cover;

[0006] The internal support frame includes a central plate and radial support rods. A number of radial support rods are evenly arranged around the central plate along the radial extension direction. The outer ends of the radial support rods away from the central plate are all connected to the inner wall of the tank. The long central support rod and the short central support rod are respectively connected to the central plates of the corresponding internal support frames. End support rods are vertically arranged outside the radial support rods of the internal support frames at both ends. The outer ends of the radial support rods of the internal support frame near the left end cover are connected to the inner wall of the left end cover, and the outer ends of the radial support rods of the internal support frame near the right end cover are connected to the inner wall of the right end cover.

[0007] Preferably, for a liquefied gas storage tank with good internal support provided by the present utility model, a manhole, a thermometer port, a pressure gauge port, a liquid level gauge port and a number of lifting lugs are further arranged on the upper surface of the tank body.

[0008] Preferably, for a liquefied gas storage tank with good internal support provided by the present utility model, a sewage outlet is further arranged on the lower surface of the tank body.

[0009] Preferably, for a liquefied gas storage tank with good internal support provided by the present utility model, the radial support rods are welded to the central plate, and the outer ends of the radial support rods are welded to the inner wall of the tank.

[0010] Preferably, for a liquefied gas storage tank with good internal support provided by the present utility model, the long central support rod, the short central support rod and the end support rods are all welded to the corresponding internal support frames.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] A number of internal support frames are arranged inside the tank body. The internal support frames are also horizontally supported by long central support rods. Short central support rods and a number of end support rods are respectively arranged at the outer ends of the internal support frames at both ends. The corresponding short central support rods and end support rods are respectively welded to the inner sides of the left end cover and the right end cover. Thereby, the internal support of the tank body, the left end cover and the right end cover is greatly improved, and the probability of deformation of the tank body, the left end cover and the right end cover caused by excessive pressure inside and outside the storage tank due to temperature difference during long-term use is reduced, and the service life of the storage tank is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a structural schematic diagram of the present utility model;

[0014] Figure 2 is a structural schematic diagram of the present utility model at the internal support frame at the end;

[0015] Figure 3 is an external structural schematic diagram of the present utility model.

[0016] In the figure: tank body 1, left end cover 2, right end cover 3, internal support frame 4, long central support rod 5, short central support rod 6, end support rod 7, support base 8, liquefied gas inlet 9, liquefied gas outlet 10, manhole 11, thermometer port 12, pressure gauge port 13, liquid level gauge port 14, lifting lug 15, sewage drain port 16, central plate 401, radial support rod 402. Detailed implementation mode

[0017] The technical solutions of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0018] It should be noted that in the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "inside", "outside", "above", "below", "both sides", "one end", "the other end", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation of the present utility model.

[0019] Please refer to Figures 1-3, the utility model provides a technical solution: a liquefied gas storage tank with good internal support, including a tank body 1, a left end cover 2, a right end cover 3, an internal support frame 4, a long central support rod 5, a short central support rod 6 and an end support rod 7. A plurality of support seats 8 are arranged on the lower surface of the tank body 1. The left end cover 2 and the right end cover 3 are arranged at both ends of the tank body 1. A liquefied gas inlet 9 is arranged on the upper surface of the tank body 1, and a liquefied gas outlet 10 is arranged on the lower surface of the tank body 1. A plurality of internal support frames 4 are evenly arranged inside the tank body 1. The central positions of adjacent internal support frames 4 are connected by a long central support rod 5. The central positions outside the internal support frames 4 at both ends are respectively connected with a short central support rod 6. The outer end of the short central support rod 6 near the left end cover 2 is connected with the central position of the inner wall of the left end cover 2, and the outer end of the short central support rod 6 near the right end cover 3 is connected with the central position of the inner wall of the right end cover 3. A manhole 11, a thermometer port 12, a pressure gauge port 13, a liquid level gauge port 14 and a plurality of lifting lugs 15 are also arranged on the upper surface of the tank body 1. Through the manhole 11, personnel can enter to clean the inside of the storage tank and weld the internal support parts, etc. The thermometer port 12 is used to install a thermometer to monitor the temperature inside the storage tank. The pressure gauge port 13 is used to install a pressure gauge to monitor the pressure inside the storage tank. The liquid level gauge port 14 is used to install a liquid level gauge to monitor the liquid level of the liquefied gas inside the storage tank. The lifting lugs 15 are used to hoist the storage tank. A sewage outlet 16 is also arranged on the lower surface of the tank body 1. When the inside of the tank body 1 is cleaned, the sewage can be discharged from the sewage outlet 16;

[0020] The internal support frame 4 includes a central plate 401 and radial support rods 402. A plurality of radial support rods 402 are evenly arranged around the central plate 401 along the radial extension direction. The ends of the radial support rods 402 far from the central plate 401 are all connected with the inner wall of the tank body 1. The long central support rod 5 and the short central support rod 6 are respectively connected with the central plate 401 of the corresponding internal support frame 4. The radial support rods 402 are welded to the central plate 401, and the outer ends of the radial support rods 402 are welded to the inner wall of the tank body 1 to realize the connection between the radial support rods 402, the central plate 401 and the inner wall of the tank body 1. End support rods 7 are vertically arranged on the outside of the radial support rods 402 of the internal support frames 4 at both ends. The outer ends of the radial support rods 402 of the internal support frame 4 near the left end cover 2 are connected with the inner wall of the left end cover 2, and the outer ends of the radial support rods 402 of the internal support frame 4 near the right end cover 3 are connected with the inner wall of the right end cover 3. The long central support rod 5, the short central support rod 6 and the end support rod 7 are all welded to the corresponding internal support frame 4 to respectively realize the connection between the long central support rod 5, the short central support rod 6, the end support rod 7 and the corresponding internal support frame 4.

[0021] Assembly method and working principle: First, make multiple internal support frames 4, and weld the outer ends of the radial support rods 402 of the internal support frames 4 to the inner wall of the tank body 1. Subsequently, weld the long central support rod 5 between two adjacent internal support frames 4. Then, weld the left end cover 2 and the right end cover 3 to both ends of the tank body 1 respectively. After an operator enters the tank body 1 through the manhole 11, weld the short central support rod 6 to the outer ends of the central plates 401 of the internal support frames 4 at both ends. At the same time, weld the outer ends of the two short central support rods 6 to the central positions on the inner sides of the left end cover 2 and the right end cover 3 respectively. Then, weld multiple end support rods 7 to the outer sides of the respective radial support rods 402 of the internal support frames 4 at both ends, and weld the outer ends of the end support rods 7 to the inner walls at the corresponding positions of the left end cover 2 and the right end cover 3 to complete the assembly. When in use, liquefied gas is fed into the tank body 1 through the liquefied gas inlet 9 for storage, and when discharged, it is discharged from the liquefied gas outlet 10 at the bottom of the tank body 1. The structure of the present utility model is reasonable. A number of internal support frames 4 are arranged inside the tank body 1, and the internal support frames 4 are also horizontally supported by the long central support rod 5. Short central support rods 6 and a number of end support rods 7 are respectively arranged at the outer ends of the internal support frames 4 at both ends, and the corresponding short central support rods 6 and end support rods 7 are respectively welded to the inner sides of the left end cover 2 and the right end cover 3, thereby greatly improving the internal support of the tank body 1, the left end cover 2 and the right end cover 3, and reducing the probability of deformation of the tank body 1, the left end cover 2 and the right end cover 3 caused by excessive pressure inside and outside the storage tank due to temperature difference during long-term use, and greatly improving the service life of the storage tank.

[0022] For those parts not detailed in the present utility model, they are all well-known technologies to those skilled in the art.

[0023] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model rather than to limit them. Although the present utility model has been described in detail with reference to the embodiments, those of ordinary skill in the art should understand that the technical solutions of the present utility model can be modified and equivalently replaced without departing from the spirit and scope of the technical solutions of the present utility model, and they should all be covered within the scope of the claims of the present utility model.

Claims

1. A liquefied gas storage tank with good internal support, characterized in that: The invention comprises a tank body (1), a left end cover (2), a right end cover (3), an internal support frame (4), a long central support rod (5), a short central support rod (6) and an end support rod (7); a plurality of support seats (8) are arranged on the lower surface of the tank body (1); a left end cover (2) and a right end cover (3) are arranged at both ends of the tank body (1); a liquefied gas inlet (9) is arranged on the upper surface of the tank body (1); a liquefied gas outlet (10) is arranged on the lower surface of the tank body (1); and the inside of the tank body (1) is provided with a plurality of support seats (8). A plurality of internal support frames (4) are evenly arranged, the center positions of adjacent internal support frames (4) are connected by a long center support rod (5), the center positions of the outer sides of the internal support frames (4) at both ends are connected to short center support rods (6), the outer end of the short center support rod (6) close to one end of the left end cover (2) is connected to the center position of the inner wall of the left end cover (2), and the outer end of the short center support rod (6) close to one end of the right end cover (3) is connected to the center position of the inner wall of the right end cover (3); The internal support frame (4) comprises a center plate (401) and radial support rods (402), a plurality of radial support rods (402) are evenly arranged on the periphery of the center plate (401) and along the radial extension direction, the radial support rods (402) are connected to the inner wall of the tank body (1) at one end away from the center plate (401), the long center support rod (5) and the short center support rod (6) are respectively connected to the center plate (401) of the corresponding internal support frame (4), and end support rods (7) are vertically arranged on the outer sides of the radial support rods (402) of the internal support frames (4) at both ends, the outer ends of the radial support rods (402) of the internal support frame (4) close to the left end cover (2) are connected to the inner wall of the left end cover (2), and the outer ends of the radial support rods (402) of the internal support frame (4) close to the right end cover (3) are connected to the inner wall of the right end cover (3).

2. A liquefied gas storage tank with good internal support according to claim 1, characterized in that: The upper surface of the tank body (1) is also provided with a manhole (11), a thermometer port (12), a pressure gauge port (13), a liquid level gauge port (14) and a plurality of lifting ears (15).

3. A liquefied gas storage tank with good internal support according to claim 1, characterized in that: The lower surface of the tank body (1) is also provided with a sewage outlet (16).

4. A liquefied gas storage tank with good internal support according to claim 1, characterized in that: The radial support rod (402) is welded to the center plate (401), and the outer end of the radial support rod (402) is welded to the inner wall of the tank body (1).

5. A liquefied gas storage tank with good internal support according to claim 1, characterized in that: The long central support rod (5), the short central support rod (6) and the end support rod (7) are all welded to the corresponding internal support frame (4).

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