Tank car emptying heat exchange silencer

Abstract

The utility model relates to the technical field of tank car emptying heat exchange silencing devices, and discloses a tank car emptying heat exchange silencing device. The tank car emptying heat exchange silencing device comprises a supporting frame, a shell is fixedly installed in the supporting frame, a bottom cover is movably installed at the bottom end of the shell, a sound insulation layer is fixedly installed in the shell, a limiting pipe is fixedly installed in the sound insulation layer, and a flow guide cover is fixedly installed in the limiting pipe. The connecting pipe is located on the outer side of the front end of the air inlet pipe, a protruding structure is arranged at the front end of the connecting pipe, a sliding groove embedded with the protruding structure of the connecting pipe is formed in the inner wall of the sleeve, the sleeve is in sliding connection with the connecting pipe, the air inlet pipe is in an L shape, and the vertical part of the air inlet pipe is located in the center of the limiting pipe. The sleeve is located on the outer side of the joint of the air inlet pipe and the tank car in a sliding mode, and therefore the situation that an operator makes contact with a pipeline to cause frostbite is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of tank truck emptying heat exchange and silencer devices, in particular to a tank truck emptying heat exchange and silencer device. Background Art

[0002] Liquefied gas transport trucks, also known as tank trucks, are commonly used to transport liquefied petroleum gas, liquid ammonia, propylene and other media. They are widely used in industry, agriculture and civilian sectors. The advanced design of lightweight liquefied gas transport trucks can not only improve transportation efficiency and reduce transportation costs, but also save a lot of energy.

[0003] The existing referenceable Chinese utility model patent is CN207752784U, which discloses a silencer for exhaust gas discharge from a liquid tank truck, characterized in that it includes a shell having an inner cavity, the top of the shell is an open structure and is used for gas discharge, the bottom of the shell is provided with an air intake pipe, and the inner cavity of the shell is equidistantly provided with multiple layers of sound-absorbing perforated plates from top to bottom, the aperture of the sound-absorbing holes on each layer of the sound-absorbing perforated plates gradually decreases from top to bottom, and the inner wall of the shell is provided with sound insulation material, and the sound insulation material is at least a mixture of polypropylene particles and polyethylene terephthalate particles; the utility model is that: by combining multiple layers of sound-absorbing perforated plates with sound insulation materials, and the aperture of the sound-absorbing holes on each layer of the sound-absorbing perforated plates gradually decreases from top to bottom, the liquid tank truck is effectively silenced when discharging exhaust gas, thereby reducing the noise of exhaust gas emissions and avoiding affecting the normal work of other nearby enterprises.

[0004] The original tank truck emptying method uses the tank truck's own venting pressure relief valve to directly release pressure. When the tank truck pressure is high, the sound of gas venting is very loud, causing noise pollution, and will be accompanied by a small amount of gas and liquid substances, resulting in low temperature of the connecting pipes and the risk of frostbite. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the shortcomings of the existing technology, the utility model provides a tank truck venting heat exchange silencer, which has the advantages of reducing noise and preventing frostbite, thereby solving the above technical problems.

[0007] (2) Technical solution

[0008] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a tank truck venting, heat exchange and silencer device, comprising: a support frame, an outer shell is fixedly installed inside the support frame, a bottom cover is movably installed at the bottom end of the outer shell, a sound insulation layer is fixedly installed inside the outer shell, a limit tube is fixedly installed inside the sound insulation layer, a guide cover is fixedly installed inside the limit tube, air guide holes are provided on the surface of the guide cover, an air guide pipe is fixedly installed above the guide cover, an air intake pipe is installed through the front side of the outer shell, a connecting flange is fixedly installed at the front end of the air intake pipe, a connecting pipe is fixedly installed on the front side of the outer shell, and a sleeve is installed through the outside of the connecting pipe; the support frame can support the outer shell.

[0009] As an optimal technical solution of the present invention, the top of the support frame is a circular ring structure, the upper and lower sides of the shell are conical structures facing opposite directions, and the inner wall of the shell is fixedly connected to the outer side of the sound insulation layer; the shell can protect the internal sound insulation layer.

[0010] As an optimal technical solution of the present invention, the sound insulation layer is located between the outer shell and the limiting tube, the air deflector is a conical structure, and an annular protrusion is provided at the upper end of the air deflector, and the outer edge of the annular protrusion of the air deflector is fixedly connected to the interior of the limiting tube; the sound insulation layer is a polyester fiber sound-absorbing board, which can block the propagation of sound.

[0011] As an optimal technical solution of the present invention, the air guide holes are distributed in a ring shape on the surface of the annular structure of the air guide cover with the center of the air guide cover as the reference. The air guide cover is vertically arranged and installed inside the limiting tube, and the size of the air guide cover decreases from bottom to top, and the spacing of the air guide cover decreases step by step from bottom to top; the air guide cover can divide the inside of the limiting tube into multiple chambers.

[0012] As the preferred technical solution of the present invention, the aperture of the upper end of the air guide tube is smaller than the aperture of the lower end, and the overall structure is conical. The air guide tube is fixedly installed between the air guide covers, and an opening structure distributed in a ring shape with the center of the air guide tube as the reference is provided on the outer side of the lower end of the air guide tube; the air guide tube can limit the position of the gas.

[0013] As the preferred technical solution of the present invention, the air intake pipe is "L"-shaped, the vertical part of the air intake pipe is located in the center of the limiting tube, and the top aperture of the air intake pipe gradually expands radially and is bucket-shaped; the air intake pipe can facilitate the gas to enter the interior of the limiting tube.

[0014] As an optimal technical solution of the present invention, the connecting pipe is located on the outside of the front end of the air intake pipe, the front end of the connecting pipe is provided with a protruding structure, the inner wall of the sleeve is provided with a sliding groove that is engaged with the protruding structure of the connecting pipe, and a sliding connection is formed between the sleeve and the connecting pipe; the sleeve can protect the connection after the air intake pipe is connected to the tank truck.

[0015] Compared with the prior art, the present invention provides a tank truck venting heat exchange silencer device, which has the following beneficial effects:

[0016] 1. The utility model sets the air deflector, which is a conical structure, and the upper end of the air deflector is provided with an annular protrusion, the outer edge of the annular protrusion of the air deflector is fixedly connected to the inside of the limit tube, and the air guide holes are annularly distributed on the surface of the annular structure of the air deflector with the center of the air deflector as the reference, the air deflector is vertically arranged and installed inside the limit tube, and the size of the air deflector is reduced from bottom to top, and the spacing of the air deflector is gradually reduced from bottom to top, the upper end aperture of the air guide pipe is smaller than the lower end aperture, and the whole is a conical structure, the air guide pipe is fixedly installed between the air deflectors, and the gas inside the tank truck is After passing through the intake pipe and entering the limit tube, it will move upward and come into contact with the air duct. Part of the gas will produce a downward reflux under the action of the air duct and expand inside the limit tube. After the gas expands, it will move upward through the air guide hole at the top of the air duct. Part of the gas will move upward through the central opening of the air duct and produce a second reflux under the influence of the upper air duct. This method can divide the gas into several parts inside the limit tube for expansion, thereby reducing the flow rate of the gas when it is discharged. The sound insulation layer is a polyester fiber sound-absorbing board, which can block the propagation of sound and thus reduce the noise generated.

[0017] 2. The utility model sets a connecting pipe, which is located on the outside of the front end of the air intake pipe. The front end of the connecting pipe is provided with a protruding structure, and the inner wall of the sleeve is provided with a sliding groove that engages with the protruding structure of the connecting pipe. A sliding connection is formed between the sleeve and the connecting pipe. The air intake pipe is "L"-shaped, and the vertical part of the air intake pipe is located in the center of the limiting pipe. After the connection between the air intake pipe and the tank truck is completed, the sleeve is located on the outside of the connection between the air intake pipe and the tank truck by sliding, thereby preventing the operator from frostbite caused by contact with the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the installation structure of the sound insulation layer of the utility model;

[0020] Figure 3 This is a schematic diagram of the installation structure of the air deflector of the utility model;

[0021] Figure 4This is a schematic diagram of the installation structure of the air intake pipe of the utility model;

[0022] Among them: 1. Support frame; 11. Outer shell; 12. Bottom cover; 13. Sound insulation layer; 14. Limiting tube; 15. Air guide cover; 16. Air guide hole; 17. Air guide pipe; 18. Inlet pipe; 19. Connecting flange; 110. Connecting pipe; 111. Sleeve. DETAILED DESCRIPTION

[0023] The following is a further detailed description of the embodiments of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] See also Figure 1 - Figure 4 In this embodiment, a tank truck venting, heat exchange and silencer device includes: a support frame 1, an outer shell 11 is fixedly installed inside the support frame 1, a bottom cover 12 is movably installed at the bottom end of the outer shell 11, a sound insulation layer 13 is fixedly installed inside the outer shell 11, a limiting tube 14 is fixedly installed inside the sound insulation layer 13, a guide cover 15 is fixedly installed inside the limiting tube 14, an air guide hole 16 is provided on the surface of the guide cover 15, an air guide pipe 17 is fixedly installed above the guide cover 15, an air intake pipe 18 is inserted through the front side of the outer shell 11, a connecting flange 19 is fixedly installed at the front end of the air intake pipe 18, a connecting pipe 110 is fixedly installed on the front side of the outer shell 11, and a sleeve 111 is inserted through the outer side of the connecting pipe 110.

[0027] The top of the support frame 1 is a circular ring structure, the upper and lower sides of the shell 11 are tapered structures facing opposite directions, and the inner wall of the shell 11 is fixedly connected to the outer side of the sound insulation layer 13.

[0028] The sound insulation layer 13 is located between the shell 11 and the limiting tube 14 . The air deflector 15 is a conical structure, and an annular protrusion is provided on the upper end of the air deflector 15 . The outer edge of the annular protrusion of the air deflector 15 is fixedly connected to the inside of the limiting tube 14 .

[0029] The air guide holes 16 are distributed in a ring shape on the surface of the annular structure of the air guide cover 15 with the center of the air guide cover 15 as the reference. The air guide cover 15 is vertically arranged and installed inside the limiting tube 14. The size of the air guide cover 15 decreases from bottom to top, and the spacing of the air guide cover 15 decreases step by step from bottom to top.

[0030] The upper end aperture of the air duct 17 is smaller than the lower end aperture, and the overall structure is conical. The air duct 17 is fixedly installed between the air guide covers 15. The outer side of the lower end of the air duct 17 is provided with an annular opening structure with the center of the air duct 17 as the reference.

[0031] The air inlet pipe 18 is in an L-shape, and the vertical portion of the air inlet pipe 18 is located at the center of the limiting pipe 14. The top end of the air inlet pipe 18 gradually expands in diameter and is in a bucket shape.

[0032] The connecting pipe 110 is located outside the front end of the air intake pipe 18. A protrusion structure is provided at the front end of the connecting pipe 110. The inner wall of the sleeve 111 is provided with a sliding groove that engages with the protrusion structure of the connecting pipe 110. A sliding connection is formed between the sleeve 111 and the connecting pipe 110.

[0033] Specifically, the support frame 1 can support the outer shell 11, and the outer shell 11 can protect the internal sound insulation layer 13. The sound insulation layer 13 is a polyester fiber sound-absorbing board that can block sound propagation. The limiting tube 14 can limit the position of the air deflector 15. The air deflector 15 can divide the interior of the limiting tube 14 into multiple chambers and generate a backflow opposite to the gas flow direction when the gas passes through. The air guide hole 16 can facilitate the gas to pass through the air deflector 15. The air guide pipe 17 can limit the gas position. The air intake pipe 18 can facilitate the gas to enter the interior of the limiting tube 14. The connecting flange 19 can facilitate the connection of the air intake pipe 18 to the tank truck. The connecting pipe 110 can limit the position of the sleeve 111. The sleeve 111 can protect the connection after the air intake pipe 18 is connected to the tank truck.

[0034] The air guide 15 is arranged vertically on the surface of the annular structure of the air guide 15, and the size of the air guide 15 is reduced from bottom to top, and the spacing of the air guide 15 decreases step by step from bottom to top. The upper end aperture of the air guide pipe 17 is smaller than the lower end aperture, and the whole is a conical structure. The air guide pipe 17 is fixedly installed between the air guide 15. After the gas inside the tank truck enters the limiting pipe 14 through the air inlet pipe 18, it will move upward and contact the air guide 15. Part of the gas will generate a downward reflux under the action of the air guide 15 and expand inside the limiting pipe 14. After the gas expands, it will move upward through the air guide hole 16 at the top of the air guide 15, and part of it will be discharged. The divided gas will move upward through the central opening of the air deflector 15 and produce a second backflow under the influence of the air deflector 15 above. This method can make the gas expand into several parts inside the limiting pipe 14, thereby reducing the flow rate of the gas when it is discharged, and the sound insulation layer 13 is a polyester fiber sound-absorbing board, which can block the sound propagation, thereby reducing the noise generated. The connecting pipe 110 is located on the outside of the front end of the air intake pipe 18, and the front end of the connecting pipe 110 is provided with a protruding structure. The inner wall of the sleeve 111 is provided with a sliding groove that is engaged with the protruding structure of the connecting pipe 110. A sliding connection is formed between the sleeve 111 and the connecting pipe 110. The air intake pipe 18 is "L"-shaped, and the vertical part of the air intake pipe 18 is located in the center of the limiting pipe 14. After the connection between the air intake pipe 18 and the tank truck is completed, the sleeve 111 is located on the outside of the connection between the air intake pipe 18 and the tank truck by sliding, thereby preventing the operator from frostbite caused by contact with the pipeline.

[0035] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A tank truck venting heat exchange silencer, characterized in that: include: A support frame (1) is provided, wherein a shell (11) is fixedly installed inside the support frame (1), a bottom cover (12) is movably installed at the bottom end of the shell (11), a sound insulation layer (13) is fixedly installed inside the shell (11), a limit tube (14) is fixedly installed inside the sound insulation layer (13), a guide cover (15) is fixedly installed inside the limit tube (14), an air guide hole (16) is provided on the surface of the guide cover (15), an air guide pipe (17) is fixedly installed above the guide cover (15), an air intake pipe (18) is inserted through the front side of the shell (11), a connecting flange (19) is fixedly installed at the front end of the air intake pipe (18), a connecting pipe (110) is fixedly installed on the front side of the shell (11), and a sleeve (111) is inserted through the outer side of the connecting pipe (110).

2. A tank truck venting heat exchange and silencing device according to claim 1, characterized in that: The top of the support frame (1) is a circular ring structure, the upper and lower sides of the shell (11) are conical structures facing opposite directions, and the inner wall of the shell (11) is fixedly connected to the outer side surface of the sound insulation layer (13).

3. The tank truck venting heat exchange and silencer device according to claim 1, characterized in that: The sound insulation layer (13) is located between the outer shell (11) and the limiting tube (14); the air guide cover (15) is a conical structure; and an annular protrusion is provided at the upper end of the air guide cover (15); and the outer edge of the annular protrusion of the air guide cover (15) is fixedly connected to the inside of the limiting tube (14).

4. The tank truck venting heat exchange and silencer device according to claim 1, characterized in that: The air guide holes (16) are distributed in an annular shape on the surface of the annular structure of the air guide cover (15) with the center of the air guide cover (15) as a reference. The air guide cover (15) is vertically arranged and installed inside the limiting tube (14). The size of the air guide cover (15) decreases from bottom to top, and the spacing between the air guide covers (15) decreases step by step from bottom to top.

5. The tank truck venting heat exchange and silencer device according to claim 1, characterized in that: The aperture of the upper end of the air guide pipe (17) is smaller than that of the lower end, and the air guide pipe (17) is in a conical structure as a whole. The air guide pipe (17) is fixedly installed between the air guide covers (15). The outer side of the lower end of the air guide pipe (17) is provided with an opening structure distributed in a ring shape with the center of the air guide pipe (17) as a reference.

6. The tank truck venting heat exchange and silencer device according to claim 1, characterized in that: The air inlet pipe (18) is in an L-shape, the vertical portion of the air inlet pipe (18) is located at the center of the limiting pipe (14), and the top aperture of the air inlet pipe (18) gradually expands in diameter and is in a bucket shape.

7. The tank truck venting heat exchange and silencer device according to claim 1, characterized in that: The connecting pipe (110) is located outside the front end of the air intake pipe (18), the front end of the connecting pipe (110) is provided with a protruding structure, the inner wall of the sleeve (111) is provided with a sliding groove engaged with the protruding structure of the connecting pipe (110), and a sliding connection is formed between the sleeve (111) and the connecting pipe (110).

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