Sulfuric acid automatic discharging and loading safety device

Abstract

The utility model relates to the technical field of safety devices, and provides an automatic sulfuric acid discharging and loading safety device which comprises a storage tank, the storage tank is provided with a liquid outlet pipe, the end of the liquid outlet pipe is connected with a connecting flange, the connecting flange is vertically and movably connected with an inserting pipe used for being inserted into a transportation tank, and the inserting pipe is sleeved with a flange plate. A linear driver is installed on the connecting flange, an output shaft of the linear driver is connected with the flange plate, the linear driver drives the inserting pipe to vertically move, the inserting pipe can be deeply inserted into the transportation tank during acid discharging, sulfuric acid is effectively prevented from splashing outwards, waste is avoided, and the safety of acid discharging operation is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to safety device technical field, specifically, relate to a sulfuric acid automatic acid loading car safety device. BACKGROUND

[0002] Sulfuric acid loading car is the key link in chemical transportation and safe operation. At present, the specially designed tank car is usually used to transport concentrated sulfuric acid, and these tank cars are suitable for the transportation of dangerous chemicals. The whole loading process must be strictly controlled to prevent leakage and accidents.

[0003] In the process of automatic sulfuric acid discharge, the sulfuric acid is first introduced into the storage tank, then the sulfuric acid transport vehicle is parked under the liquid outlet of the sulfuric acid tank, and then the valve of the liquid outlet is opened to allow the sulfuric acid to flow into the storage tank of the vehicle. Although the transportation of sulfuric acid is effectively completed, the splash caused by the impact of sulfuric acid on the inner wall of the liquid inlet of the vehicle storage tank may cause waste. At the same time, as a strong corrosive chemical, the leakage of sulfuric acid may cause serious harm to the operators, equipment and environment. SUMMARY

[0004] The utility model aims at providing a sulfuric acid automatic acid loading car safety device, which solves the problem of splash and leakage during sulfuric acid loading.

[0005] The utility model discloses a sulfuric acid automatic acid loading car safety device, which comprises a storage tank, the storage tank is provided with a liquid outlet pipe, the end of the liquid outlet pipe is connected with a connecting flange, the connecting flange is vertically movably connected with an inserting pipe for inserting into the transport tank, a flange plate is sleeved on the inserting pipe, a linear actuator is installed on the connecting flange, and the output shaft of the linear actuator is connected with the flange plate.

[0006] Further, a protective cover is sleeved on the inserting pipe and covers the liquid inlet of the transport tank.

[0007] Further, a shielding cover is rotatably connected to the lower horizontal surface of the protective cover and is used for shielding the inserting pipe in cooperation with the protective cover, and the central shaft of the shielding cover is eccentrically arranged with the rotation shaft of the shielding cover.

[0008] Further, a recess for temporarily storing sulfuric acid is arranged in the shielding cover, a drain pipe is connected to the bottom of the recess, and an electromagnetic valve is connected to the drain pipe.

[0009] Further, a motor is fixed on one side of the protective cover and is used for driving the shielding cover to rotate.

[0010] Further, a plug-in groove is arranged in the connecting flange and is in linear sliding cooperation with the inserting pipe.

[0011] Further, a plurality of linear actuators are uniformly arranged on the connecting flange in the circumferential direction.

[0012] Further, the liquid outlet pipe is connected with a switch valve.

[0013] The utility model has at least the following advantages and beneficial effects:

[0014] (1) the acid is put into the transport tank, effectively prevent the sulfuric acid from splashing, avoid waste, improve the safety of the acid operation.

[0015] (2) by setting the protective cover on the plug-in pipe, prevent the sulfuric acid from splashing in the process of injecting the transport tank, reduce the harm to the operator and the environment, and connect the shielding cover under the protective cover, when not in use, the shielding cover can be closed, prevent foreign matter from entering or sulfuric acid from leaking, further enhance the protection effect. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 The utility model provides a kind of sulfuric acid automatic acid putting safety device's structural schematic view.

[0017] Fig. 2 The utility model provides a kind of sulfuric acid automatic acid putting safety device's front view.

[0018] Fig. 3 The utility model provides a kind of sulfuric acid automatic acid putting safety device's partial structural schematic view.

[0019] Fig. 4 The utility model provides a kind of sulfuric acid automatic acid putting safety device's partial structural schematic view.

[0020] Reference signs: 1-accumulation tank, 2-liquid outlet pipe, 21-switch valve, 3-connection flange, 30-plug-in slot, 31-linear driver, 4-plug-in pipe, 41-flange plate, 42-protective cover, 5-shielding cover, 51-groove, 52-drain pipe, 6-motor. DETAILED DESCRIPTION

[0021] The specific embodiment is as follows in combination with the drawings.

[0022] Example

[0023] As Figs. 1 to 4As shown, in the embodiment, a kind of automatic sulfuric acid discharging safety device is disclosed, including storage tank 1, storage tank 1 is equipped with liquid outlet pipe 2, the end of liquid outlet pipe 2 is connected with connecting flange 3, connecting flange 3 is vertically movably connected with the pipe 4 for inserting into transport tank, flange plate 41 is set on pipe 4, linear actuator 31 is installed on connecting flange 3, and the output shaft of linear actuator 31 is connected with flange plate 41.Specifically, when using, operator passes into storage tank 1 in sulfuric acid, storage tank 1 is placed in high position, sulfuric acid is transported into the transport tank of transport vehicle from high place.Liquid outlet pipe 2 is arranged in the lower part of the side wall of storage tank 1, which is composed of horizontal pipe and elbow, and connecting flange 3 is arranged at the end of the elbow.Linear actuator 31 can adopt linear oil cylinder, linear air cylinder or linear electric cylinder, by the driving of linear actuator 31, pipe 4 is vertically moved, and when acid is discharged, pipe 4 can be deeply inserted into transport tank, effectively prevent sulfuric acid from splashing, avoid waste, improve the safety of acid discharging operation.

[0024] Further, in specific implementation, the protective cover 42 is arranged on the pipe 4 in the embodiment of the utility model, which is arranged on the liquid inlet of the transport tank. Specifically, the protective cover 42 is in the shape of a conical platform, which prevents sulfuric acid from splashing during injection into the transport tank, reducing the harm to the operator and the environment.

[0025] Preferably, the lower horizontal surface of the protective cover 42 is rotatably connected with a shielding cover 5 cooperating with the protective cover 42 for shielding the pipe 4, and the central axis of the shielding cover 5 is eccentrically arranged with the rotation axis of the shielding cover 5. Specifically, the lower part of the pipe 4 does not exceed the shielding cover 5, and the shielding cover 5 can be closed when not in use, preventing foreign matter from entering or sulfuric acid from accidentally leaking, further enhancing the protection effect.

[0026] Preferably, the shielding cover 5 is provided with a groove 51 for temporarily storing sulfuric acid, the bottom of the groove 51 is connected with a drain pipe 52, and the drain pipe 52 is connected with a solenoid valve. After the acid is discharged, a small amount of sulfuric acid may remain in the pipe 4, the groove 51 can play a collecting role, and the sulfuric acid accumulated in the groove 51 can be controlled to be discharged and recycled through the solenoid valve and the drain pipe 52.

[0027] Preferably, the protective cover 42 is fixed with a motor 6 on one side for driving the shielding cover 5 to rotate. The use of the motor 6 realizes the automatic opening and closing of the shielding cover 5, improves the convenience and efficiency of operation, reduces manual intervention, and reduces the operation risk.

[0028] Further, in the specific implementation, the connecting flange 3 is provided with a plug groove 30 that is in linear sliding fit with the plug-in pipe 4. Specifically, the plug groove 30 is arranged between the inner wall and the outer wall of the connecting flange 3, so that the connecting flange 3 and the plug-in pipe are sealingly connected, and the vertical movement of the plug-in pipe can be realized. It should be noted that the depth of the plug groove 30 should be greater than the piston stroke of the linear driver 31, so as to ensure that one end of the plug-in pipe 4 is always located in the plug groove 30.

[0029] Further, in the specific implementation, the connecting flange 3 is provided with a plug groove 30 that is in linear sliding fit with the plug-in pipe 4. Specifically, the plug groove 30 is arranged between the inner wall and the outer wall of the connecting flange 3, so that the connecting flange 3 and the plug-in pipe are sealingly connected, and the vertical movement of the plug-in pipe can be realized. It should be noted that the depth of the plug groove 30 should be greater than the piston stroke of the linear driver 31, so as to ensure that one end of the plug-in pipe 4 is always located in the plug groove 30.

[0030] Further, in the specific implementation, the connecting flange 3 is provided with a plug groove 30 that is in linear sliding fit with the plug-in pipe 4. Specifically, the plug groove 30 is arranged between the inner wall and the outer wall of the connecting flange 3, so that the connecting flange 3 and the plug-in pipe are sealingly connected, and the vertical movement of the plug-in pipe can be realized. It should be noted that the depth of the plug groove 30 should be greater than the piston stroke of the linear driver 31, so as to ensure that one end of the plug-in pipe 4 is always located in the plug groove 30.

Claims

1. A safety device for automatic acid discharge of sulfuric acid, characterized by, The application relates to a sulfuric acid storage tank, which comprises a storage tank (1) provided with a liquid outlet pipe (2), a connecting flange (3) connected to the end of the liquid outlet pipe (2), an inserting pipe (4) for being inserted into a transport tank and vertically movably connected to the connecting flange (3), a flange plate (41) sleeved on the inserting pipe (4), a linear driver (31) installed on the connecting flange (3), and an output shaft of the linear driver (31) connected with the flange plate (41).

2. The automatic sulfuric acid unloading safety device according to claim 1, wherein, The inserting pipe (4) is sleeved with a protective cover (42) covering the liquid inlet of the transport tank.

3. The automatic acid discharging and loading safety device for sulfuric acid according to claim 2, characterized in that, A shielding cover (5) for shielding the inserting pipe (4) is movably connected to the lower horizontal surface of the protective cover (42) and cooperates with the protective cover (42), and the central shaft of the shielding cover (5) is arranged eccentrically to the rotating shaft of the shielding cover (5).

4. The automatic acid discharging and loading safety device for sulfuric acid according to claim 3, characterized in that, A recess (51) for temporarily storing sulfuric acid is arranged in the shielding cover (5), a liquid discharge pipe (52) is connected to the bottom of the recess (51), and an electromagnetic valve is connected to the liquid discharge pipe (52).

5. The automatic acid discharge and loading safety device for sulfuric acid according to claim 3, characterized in that, A motor (6) for driving the shielding cover (5) to rotate is fixed to one side of the protective cover (42).

6. The automatic acid discharge and loading safety device for sulfuric acid according to claim 1, wherein A plug-in groove (30) for linear sliding cooperation with the inserting pipe (4) is arranged in the connecting flange (3).

7. The automatic acid discharge and truck loading safety device of sulfuric acid according to claim 1, characterized in that, The connecting flange (3) is uniformly provided with a plurality of linear drivers (31) along the circumference.

8. The automatic acid discharge and truck loading safety device of sulfuric acid according to claim 1, characterized in that, A switch valve (21) is connected to the liquid outlet pipe (2).

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