Railway tank car for powdery goods

Abstract

The utility model relates to a railway tank car for powdery goods. The railway tank car comprises a tank body and a fluidizing device installed in the tank body. The air inlet discharging pipeline device comprises a discharging pipeline, an air inlet pipeline, an auxiliary air blowing pipeline, an air discharging pipeline and a supporting hanging bracket; the unloading pipeline and the air inlet pipeline are mounted on the same side of the tank body close to the bottom through supporting hangers, and are communicated through an auxiliary blowing pipeline; the air inlet pipeline comprises an air inlet main pipe and at least one air inlet branch pipe, and the air inlet branch pipe is connected with the air inlet main pipe through a flexible pipeline connecting piece; the discharging pipeline comprises a discharging main pipe and at least one discharging branch pipe, the discharging branch pipe is connected with the discharging main pipe through a pipeline fitting, and a horn-shaped sleeve is installed at the other end of the discharging branch pipe. The deflation pipeline is mounted on the outer side of the tank body through a supporting hanger, one end of the deflation pipeline is an air inlet and extends into the tank body from the top of the tank body, and the other end is an air outlet.

Description

Technical Field

[0001] This utility model relates to an air inlet and unloading device for fluid materials, specifically to an air inlet and unloading pipeline device for railway tank cars carrying powdery goods. Background Technology

[0002] Railway tank cars, as an important means of transportation, are widely used for transporting powdery goods such as fly ash. Railway tank cars carrying powdery goods typically employ a fluidization device installed inside the tank for unloading operations. This fluidization device also needs to be equipped with a dedicated air inlet and unloading pipeline system to ensure that the goods can be unloaded smoothly and efficiently from inside the tank.

[0003] The existing air intake and unloading pipeline systems for railway tank cars carrying powdered goods typically have the air intake pipeline and unloading pipeline installed on opposite sides of the tank body. This requires operators to frequently walk around the car body during unloading operations, causing inconvenience. In addition, the air intake pipelines generally use rigid connections (such as steel pipes), which require precise alignment during assembly, making the operation complex. Maintenance also requires the disassembly of a large number of parts, increasing time costs and maintenance difficulty. Utility Model Content

[0004] The purpose of this utility model is to solve the problems in the prior art where the air inlet and unloading pipeline devices of railway tank cars carrying powdered goods are installed on both sides of the tank body, requiring operators to frequently walk around the car body during unloading operations, resulting in inconvenience; and the fact that the air inlet pipelines generally use rigid connections (such as steel pipes), which require precise alignment during assembly, making the operation complex, and also require the disassembly of a large number of parts during maintenance, increasing time costs and maintenance difficulty. Therefore, this utility model provides a railway tank car for powdered goods.

[0005] To solve the above-mentioned technical problems, the technical solution provided by this utility model is as follows:

[0006] A railway tank car for powdery goods includes a tank body and a fluidization device (10) installed inside the tank body; its special feature is that it also includes an air inlet and unloading pipeline device, which includes an unloading pipeline, an air inlet pipeline, an auxiliary air blowing pipeline, an air venting pipeline and a support bracket;

[0007] Both the unloading pipeline and the air inlet pipeline are installed on the same outer side of the tank near the bottom via the support bracket, and the two are connected by the auxiliary air blowing pipeline.

[0008] The air inlet pipeline includes a main air inlet pipe and at least one air inlet branch pipe. One end of the air inlet branch pipe is connected to the main air inlet pipe through a flexible pipe connector, and a butterfly valve is provided on the flexible pipe connector. The other end is installed in the area at the bottom of the tank body, located below the fluidization device inside the tank body.

[0009] The unloading pipeline includes a main unloading pipe and at least one unloading branch pipe. One end of the unloading branch pipe is equipped with a flange and is connected to the main unloading pipe through a pipe fitting. A butterfly valve is installed on the pipe fitting, and a flared sleeve is installed at the other end.

[0010] The unloading branch pipe has a flared sleeve at one end that extends into the tank body and is located on the upper surface of the fluidizing device. The length of the flared sleeve is telescopic, so that the distance between it and the fluidizing device in the tank body can be adjusted.

[0011] The venting pipe is installed on the outside of the tank body via a support bracket. One end is the air inlet, which extends into the tank body from the top, and the other end is the exhaust outlet.

[0012] Furthermore, one end of the unloading main pipe is provided with an air inlet for the blowing pipe, and the air inlet main pipe is provided with a blowing pipe. The two are connected by a pipe to form an auxiliary blowing pipeline. The other end of the unloading main pipe is a discharge port for connecting to the powder storage tank.

[0013] Furthermore, the air inlet of the venting pipe is located at the top of the tank body, and a filter device is connected to it; the other end is provided with a first venting pipe and a second venting pipe; the first venting pipe is installed on the outside of the tank body by a support bracket, and its exhaust port is connected to a first venting ball valve and is located at the bottom of the tank body; the exhaust port of the second venting pipe is connected to a second venting ball valve and is located at the top of the tank body.

[0014] Furthermore, the unloading branch pipe also includes a reinforcing plate and an unloading support. The reinforcing plate is installed on the pipe body of the unloading branch pipe to enhance its strength and durability. The unloading support is installed on the unloading branch pipe near the trumpet-shaped sleeve, and the support frame on it is fixed to the outside of the tank to ensure the stability of the unloading branch pipe throughout the unloading process.

[0015] Furthermore, the flared sleeve includes an inner sleeve connected to the unloading branch pipe and an outer sleeve fitted outside the inner sleeve. The outer end of the outer sleeve is flared, and the outer sleeve can slide relative to the inner sleeve and can be fixed in position.

[0016] Furthermore, the air inlet branch pipe is connected to the flexible pipe connector via a flange.

[0017] Furthermore, an air inlet tee is installed on the main air inlet pipe. One end of the air inlet tee is equipped with a butterfly valve and connected to the main air inlet pipe. The other two ends are equipped with quick-opening connectors for connecting to an external air source.

[0018] Furthermore, a ball valve, a pressure gauge, and a safety valve are installed on the main air inlet pipe.

[0019] Furthermore, the other end of the unloading main pipe is equipped with a quick-opening connector for easy connection to a powder storage tank.

[0020] The beneficial effects of this utility model are:

[0021] 1. The present invention provides a railway tank car for powdery goods, wherein the air inlet pipe and the unloading pipe are installed on the same side of the tank body, which facilitates operation by the operator.

[0022] 2. The present invention provides a railway tank car for powdery goods, which connects the main air intake pipe and the branch air intake pipe through a flexible pipe connector, thus solving the problem of complex assembly and maintenance.

[0023] 3. The present invention provides a railway tank car for powdery goods, wherein a horn-shaped sleeve is installed at the suction port of the unloading branch pipe located inside the tank, so that the distance between the suction port and the surface of the fluidizing device can be adjusted, which helps to optimize the fluidization effect of powdery materials, ensures that the material can be smoothly and efficiently discharged from the inside of the tank through the unloading port, while reducing material residue and improving unloading efficiency. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of an air inlet and unloading pipeline device installed on the tank body in an embodiment of the present invention for a railway tank car used for powdery goods;

[0025] Figure 2 This is a schematic diagram of the air inlet pipe structure in an embodiment of the present invention for a railway tank car used for powdery goods;

[0026] Figure 3 This is a schematic diagram of the unloading pipeline structure in an embodiment of the present invention for a railway tank car used for powdery goods;

[0027] Figure 4 This is a schematic diagram of the unloading branch pipe structure in an embodiment of the present invention for a railway tank car used for powdery goods;

[0028] Figure 5 This is a schematic diagram of the venting pipeline structure in an embodiment of the present invention for a railway tank car used for powdery goods;

[0029] Figure 6 This is a schematic diagram of the connection structure between the air inlet and unloading pipeline device and the fluidization device inside the tank in an embodiment of the present invention for use in railway tank cars carrying powdered goods;

[0030] 1-Discharge pipe, 2-Inlet pipe, 3-Support bracket, 4-Auxiliary air blowing pipe, 5-Vent pipe, 6-Tank body, 7-Butterfly valve, 8-Flange, 9-Quick-opening connector, 2-1-Inlet branch pipe, 2-2-Inlet main pipe, 2-3-Inlet tee, 2-4-Ball valve, 2-5 Pressure gauge, 2-6 Safety valve, 2-7-Auxiliary blowing pipe, 2-8-Flexible pipe connector, 1-1-Discharge main pipe, 1-2-Pipe fittings, 1-3-Discharge branch pipe, 1-4-Auxiliary blowing pipe inlet, 1-3-1-Reinforcing plate, 1-3-2-Flare sleeve, 1-3-3-Discharge support, 5-1-Filter device, 5-2-Second vent ball valve, 5-3-First vent pipe, 5-4-First vent ball valve, 5-5-Second vent pipe, 10-Fluidization device. Detailed Implementation

[0031] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0032] like Figure 1 As shown, the present invention provides a railway tank car for powdery goods, including a discharge pipe 1, an air inlet pipe 2, an auxiliary air blowing pipe 4, a venting pipe 5, and a support bracket 3. The discharge pipe 1 and the air inlet pipe 2 are both installed on the same outer side of the tank body 6, near the bottom of the tank body, and the two are connected by the auxiliary air blowing pipe 4. This arrangement design facilitates centralized control by the operator during unloading and reduces the time and physical exertion caused by the need to walk around the car body during operation.

[0033] like Figure 2 and Figure 6 The air inlet duct 2 shown has an air inlet main pipe 2-2 arranged along the side of the tank body and installed on the tank body 6 by a support bracket 3. One end of the air inlet branch pipe 2-1 is connected to the air inlet main pipe 2-2 by a hose or flexible joint for easy assembly and maintenance. The other end of the air inlet branch pipe 2-1 is placed inside the tank body. The air inlet duct 2 is equipped with multiple air inlet branch pipes 2-1. The distribution of the air inlet branch pipes 2-1 corresponds to the layout of the fluidization device 10 inside the tank body. They usually extend into the lower part of the fluidization device 10 located at the bottom of the tank body to ensure that the airflow can flow evenly into the bottom of the tank body to help fluidize the powdery material.

[0034] The air inlet tee 2-3 installed on the main air inlet pipe 2-2 is usually located near the bottom of the tank or near the fluidization device 10 served by the air inlet branch pipe 2-1. The air source for the ground-level air duct is sometimes on the left side of the vehicle and sometimes on the right side. Therefore, two ports are provided for air intake, which is convenient to use. The third port is connected to the main air inlet pipe 2-2, which can ensure that each branch pipe can efficiently and stably supply air to the fluidization device 10, thereby providing ideal fluidization conditions for the powdery materials in the tank. The main air inlet pipe 2-2 is also equipped with a ball valve 2-4, a pressure gauge 2-5 and a safety valve 2-6 for real-time monitoring of pipeline pressure and ensuring system safety.

[0035] like Figure 3 and Figure 6 The unloading pipeline 1 shown has an unloading main pipe 1-1 installed on the side of the tank body, arranged parallel to the air inlet pipeline 2. The suction port end of the unloading branch pipe 1-3 extends into the tank body 6, usually close to the upper surface of the fluidization device 10 at the bottom of the tank, so as to directly suck up the fluidized powdered material.

[0036] like Figure 4 As shown, a flared sleeve 1-3-2 is installed at the suction port of the discharge branch pipe 1-3, which is about 70 mm away from the upper surface of the fluidization device 10. External gas enters the fluidization device 10 through the air inlet pipe. The fluidization device 10 fluidizes the powder. The fluidized powder is discharged through the discharge port under the internal pressure of the tank. The reinforcing plate 1-3-1 covers the discharge branch pipe 1-3 to enhance the strength and durability of the discharge branch pipe 1-3 and protect it from wear and impact during the discharge process. One end of the discharge support 1-3-3 is fixed to the discharge branch pipe 1-3, and the other end is fixed to the outside of the tank 6 through the support frame to ensure that the pipeline remains stable throughout the discharge process.

[0037] like Figure 5 The venting pipe 5 shown includes a first venting pipe 5-3, a second venting pipe 5-5, a first venting valve 5-4, a second venting valve 5-2, and a filter device 5-1. The first end of the first venting pipe 5-3 is lower than the second end, and the first end is connected to the first venting valve 5-4. The second end is connected to the non-end of the second venting pipe 5-5. One end of the second venting pipe 5-5 is connected to the second venting valve 5-2, and the other end is connected to the filter device 5-1. The filter device 5-1 is located at the top of the tank 6 and is used to release the pressure inside the tank.

[0038] like Figure 1 The auxiliary air blowing pipeline 4 shown is composed of the air inlet 1-4 of the auxiliary blowing pipe at the end of the unloading main pipe 1-1 and the auxiliary blowing pipe 2-7 of the air inlet main pipe 2-2. It provides additional air support for the unloading pipeline and avoids material residue due to insufficient fluidization during the unloading process.

[0039] During the unloading stage, confirm the opening and closing status of each pipeline butterfly valve 7, quick-opening connector 9, and ball valves 2-4 to ensure correct configuration.

Claims

1. A railway tank car for powdered goods, comprising a tank body (6) and a fluidizing device (10) installed within the tank body (6); characterized in that: It also includes an air inlet and unloading pipeline device, which includes an unloading pipeline (1), an air inlet pipeline (2), an auxiliary air blowing pipeline (4), an air venting pipeline (5), and a support bracket (3); The unloading pipeline (1) and the air inlet pipeline (2) are both installed on the same outer side of the tank body (6) near the bottom via the support bracket (3), and the two are connected by the auxiliary air blowing pipeline (4); The air inlet pipe (2) includes an air inlet main pipe (2-2) and at least one air inlet branch pipe (2-1). One end of the air inlet branch pipe (2-1) is connected to the air inlet main pipe (2-2) through a flexible pipe connector (2-8). A butterfly valve (7) is provided on the flexible pipe connector (2-8). The other end is installed in the bottom area of ​​the tank (6), located below the fluidization device (10) inside the tank (6). The unloading pipeline (1) includes a main unloading pipe (1-1) and at least one unloading branch pipe (1-3). One end of the unloading branch pipe (1-3) is equipped with a flange (8) and is connected to the main unloading pipe (1-1) through a pipe fitting (1-2). The pipe fitting (1-2) is equipped with a butterfly valve (7) and a flared sleeve (1-3-2) is installed at the other end. The unloading branch pipe (1-3) is equipped with a horn-shaped sleeve (1-3-2) at one end, which extends into the tank body (6) and is located on the upper surface of the fluidizing device (10). The length of the horn-shaped sleeve (1-3-2) is telescopic, so that the distance between it and the fluidizing device (10) inside the tank body (6) can be adjusted. The venting pipe (5) is installed on the outside of the tank body (6) via a support bracket (3). One end of the pipe is an air inlet that extends into the tank body from the top, and the other end is an exhaust outlet.

2. A railway tank car for powdery goods according to claim 1, characterized in that: One end of the unloading main pipe (1-1) is provided with an air inlet (1-4) for the blowing pipe, and the air inlet main pipe (2-2) is provided with an air inlet (2-7). The two are connected by a pipe to form an auxiliary blowing pipeline (4). The other end of the unloading main pipe (1-1) is a discharge port for connecting to the powder storage tank.

3. A railway tank car for powdery goods according to claim 1, characterized in that: The air inlet of the venting pipe (5) is located at the top of the tank (6), and a filter device (5-1) is connected to it; the other end is provided with a first venting pipe (5-3) and a second venting pipe (5-5); the first venting pipe (5-3) is installed on the outside of the tank (6) by a support bracket (3), and its exhaust port is connected to a first venting ball valve (5-4) and is located at the bottom of the tank (6); the exhaust port of the second venting pipe (5-5) is connected to a second venting ball valve (5-2) and is located at the top of the tank (6).

4. A railway tank car for powdery goods according to claim 1, characterized in that: The unloading branch pipe (1-3) also includes a reinforcing plate (1-3-1) and an unloading support (1-3-3). The reinforcing plate (1-3-1) is installed on the pipe body of the unloading branch pipe (1-3) to enhance the strength and durability of the unloading branch pipe. The unloading support (1-3-3) is installed on the unloading branch pipe (1-3) near the trumpet-shaped sleeve (1-3-2), and the support frame on it is fixed to the outside of the tank body (6) to ensure the stability of the unloading branch pipe (1-3) throughout the unloading process.

5. A railway tank car for powdery goods according to claim 1, characterized in that: The flared sleeve (1-3-2) includes an inner sleeve connected to the unloading branch pipe (1-3) and an outer sleeve fitted outside the inner sleeve. The outer end of the outer sleeve is flared, and the outer sleeve can slide relative to the inner sleeve and can be fixed in position.

6. A railway tank car for powdery goods according to claim 1, characterized in that: The air inlet branch pipe (2-1) is connected to the flexible pipe connector (2-8) via a flange (8).

7. A railway tank car for powdery goods according to any one of claims 1-6, characterized in that: An air inlet tee pipe (2-3) is installed on the main air inlet pipe (2-2). One end of the air inlet tee pipe (2-3) is equipped with a butterfly valve (7) and is connected to the main air inlet pipe (2-2). The other two ends are equipped with quick-opening connectors (9) for connecting to an external air source.

8. A railway tank car for powdery goods according to claim 7, characterized in that: The main air inlet pipe (2-2) is equipped with a ball valve (2-4), a pressure gauge (2-5), and a safety valve (2-6).

9. A railway tank car for powdery goods according to claim 8, characterized in that: The other end of the unloading main pipe (1-1) is equipped with a quick-opening connector (9) for easy connection to the powder storage tank.

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