Automatic pressure control device in bromine unloading process

Abstract

The utility model discloses an automatic pressure control device in a bromine unloading process, which relates to the technical field of chemical equipment and comprises a nitrogen tank mounted at the top end of a cart, and a gas outlet pipe is mounted at the top end of the nitrogen tank; the surface of the air outlet pipe is fixedly connected with a connecting pipe, the interior of the air outlet pipe is in threaded connection with a sleeve, and one end of the sleeve is provided with a hose; and an annular plate is arranged on the inner wall of the connecting pipe. According to the device, the gas outlet pipe and the sleeve are in threaded connection, the gas outlet pipe and the hose can be connected, the risk of nitrogen leakage caused by connection loosening or falling off can be reduced through threaded connection, and meanwhile through cooperation of the annular plate, the extrusion rod, the movable plate, the vertical rod, the switch, the buzzer and the like, the safety of the device is improved. The device can monitor the nitrogen leakage condition at the joint in real time, and can give an alarm in time to remind an operator to take measures once leakage is detected, so that safety accidents such as suffocation, fire disasters or explosions possibly caused by nitrogen leakage are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to chemical equipment technical field especially, relates to a kind of automatic pressure control device in bromine unloading process. BACKGROUND

[0002] Bromine, chemical formula is Br2, also be called bromine or liquid bromine, is the only non-metallic element in normal temperature and normal pressure under liquid state, bromine is deep red brown liquid, has pungent smell, easy to volatilize, at low temperature, bromine can solidify into blue-black solid, bromine unloading adopts air pressure mode, in the unloading process, to improve the safety of unloading will use automatic pressure control nitrogen device to carry out pressure charging operation, after reaching the unloading pressure set by regulating valve, no longer nitrogen is filled into bromine tank car, play the role of safety.Current bromine unloading process automatic pressure control device usually after connecting pipe and gas outlet pipe are connected to carry out pressure charging, but currently connecting pipe and gas outlet pipe are usually connected by clamp, this connection mode can leak due to connection not firm, and it is not convenient to detect leaked nitrogen, nitrogen leakage can lead to the oxygen content in operating environment to reduce, endanger the life safety of operator, simultaneously, leaked nitrogen can also accumulate in airtight space, form explosive mixture, cause fire or explosion. SUMMARY

[0003] The utility model provides a kind of automatic pressure control device in bromine unloading process, solve the problem in background art.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of automatic pressure control device in bromine unloading process, including the nitrogen tank of installation in the top of trolley, the top of nitrogen tank is equipped with gas outlet pipe;

[0006] The surface of gas outlet pipe is fixedly connected with connecting pipe, and the inside screw thread of gas outlet pipe is connected with sleeve, and one end of sleeve is equipped with hose;

[0007] The inner wall of connecting pipe is provided with annular plate, and the side of annular plate is annularly equidistantly provided with extrusion rod;

[0008] The surface of sleeve is movably connected with connecting plate, and the surface of connecting plate is annularly equidistantly provided with through hole, and the side of connecting plate is annularly equidistantly provided with sleeve, the inside bottom of sleeve is connected with spring, and the top of spring is connected with moving plate, the bottom of moving plate is connected with vertical rod, the inside bottom of sleeve is equipped with switch that is in contact with the bottom of vertical rod.

[0009] With the above structure, in the case of nitrogen leakage, the pressure inside the connecting pipe increases, pushing the annular plate and the extrusion rod to move, which can move the extrusion rod to the surface of the switch and open it, so that the buzzer can work to remind the staff.

[0010] The diameter of the annular plate is the same as the inner diameter of the connecting pipe, and the inner diameter of the annular plate is the same as the diameter of the sleeve.

[0011] With the above structure, the annular plate can drive the extrusion rod to move in position.

[0012] The connecting plate is provided with a sealing ring at the contact with the connecting pipe.

[0013] With the above structure, the sealing ring prevents nitrogen from leaking from the connection between the connecting plate and the connecting pipe.

[0014] The top end of the connecting pipe is provided with a buzzer, and the buzzer is connected to the switch and the power supply through wires.

[0015] With the above structure, after the switch is opened, the power supply can supply power to the buzzer, so as to remind the staff of the leakage at the connection through the working of the buzzer.

[0016] The surface of the sleeve is threadedly connected with a fixed pipe rotatably connected to one side of the connecting plate.

[0017] With the above structure, when one hand rotates the fixed pipe, the other hand can limit the movement of the connecting plate, so that the through hole on the connecting plate is in contact with the extrusion rod, and the connecting plate is fixed on one side of the connecting pipe.

[0018] The top end of the trolley is threadedly connected with a screw rod, and the screw rod is rotatably connected with a limiting plate through the trolley, and the top end of the trolley is provided with a vertical pipe, and the inside of the vertical pipe is provided with a supporting rod connected with the top end of the limiting plate, and the inside of the vertical pipe is provided with a sliding groove, and the inside of the sliding groove is provided with a sliding block connected with the supporting rod.

[0019] With the above structure, when the road surface is inclined, the screw rod can be rotated to drive the limiting plate to move to the ground, so as to adjust the support and make the device adjust the height and level according to the ground condition, so as to ensure that the device can work stably on uneven ground, and prevent displacement during use.

[0020] As described above, due to the adoption of the above technical scheme, the beneficial effects of the present application are:

[0021] The utility model discloses, through the threaded connection between the air outlet pipe and the sleeve pipe, the air outlet pipe and the hose can be connected, the threaded connection can reduce the nitrogen leakage risk caused by loose or falling off, and through the cooperation of the annular plate, extrusion rod, moving plate, vertical rod, switch and buzzer etc. on the surface of the air outlet pipe and sleeve pipe, the nitrogen leakage at the connection can be monitored in real time, and once leakage is detected, an alarm can be sent in time to remind the operator to take measures to avoid safety accidents such as suffocation, fire or explosion etc. caused by nitrogen leakage. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a kind of automatic pressure control device structure schematic diagram in bromine unloading process;

[0023] Figure 2 It is Figure 1 It is the enlarged structure schematic diagram in A place in the middle;

[0024] Figure 3 It is the surface part structure schematic diagram of baffle in the utility model;

[0025] Figure 4 It is the internal part structure schematic diagram of connecting pipe in the utility model;

[0026] Figure 5 It is the internal part structure schematic diagram of sleeve in the utility model;

[0027] Figure 6 It is the internal part structure schematic diagram of vertical pipe in the utility model.

[0028] Legend:

[0029] 1, cart, 2, nitrogen tank, 3, air outlet pipe, 4, connecting pipe, 5, sleeve pipe, 6, hose, 7, annular plate, 8, extrusion rod, 9, connecting plate, 10, through hole, 11, sleeve, 12, spring, 13, moving plate, 14, vertical rod, 15, switch, 16, buzzer;

[0030] 17, fixed pipe, 18, screw rod, 19, limiting plate, 20, vertical pipe, 21, support rod;

[0031] 22, sliding slot, 23, sliding block. DETAILED DESCRIPTION

[0032] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0033] Reference Figures 1-6 The application relates to an automatic pressure control device for a bromine unloading process, which comprises a nitrogen tank 2 installed at the top end of a trolley 1, a gas outlet pipe 3 installed at the top end of the nitrogen tank 2, a sleeve 5 installed at one end of a hose 6 for thread connection between the sleeve 5 and the inside of the gas outlet pipe 3, a connecting pipe 4 arranged on the surface of the gas outlet pipe 3 for detecting nitrogen leakage at the connecting position, an annular plate 7 and an extrusion rod 8 arranged in the connecting pipe 4, a connecting plate 9 arranged on the surface of the sleeve 5, a through hole 10 and a sleeve 11 arranged on the connecting plate 9, a moving plate 13, a spring 12, a vertical rod 14 and a switch 15 arranged in the sleeve 11, so that when nitrogen leaks, the pressure in the connecting pipe 4 increases to drive the annular plate 7 and the extrusion rod 8 to move, the extrusion rod 8 penetrates through the through hole 10 and contacts and extrudes the moving plate 13, the vertical rod 14 at the bottom end of the moving plate 13 opens the switch 15, and thus the buzzer 16 works to remind the staff, and oil solenoid valves and flow meters and other devices are arranged on the pipeline to realize automatic pressure control.

[0034] Further, in order to limit the movement of the annular plate 7 when the pressure in the connecting pipe 4 increases, the diameter of the annular plate 7 is required to be the same as the inner diameter of the connecting pipe 4, and the inner diameter of the central hole of the annular plate 7 is required to be the same as the diameter of the sleeve 5 to enable the annular plate 7 to move in a limited manner.

[0035] Further, in order to ensure the sealing condition of the connecting pipe 4, a sealing ring or a sealing ring and other sealing devices are arranged at the connecting position of the connecting pipe 4 and the connecting plate 9.

[0036] Further, in order to remind the staff of the nitrogen leakage condition, the buzzer 16 and the switch 15 are connected through wires, and the switch 15 and the power supply are connected through wires, so that when the switch 15 is opened, the power supply can work on the buzzer 16 to prompt the staff of the nitrogen leakage condition.

[0037] Further, in order to ensure that the through hole 10 on the connecting plate 9 can contact the extrusion rod 8 after the sleeve 5 is threadedly connected with the gas outlet pipe 3, a fixed pipe 17 is threadedly connected to the surface of the sleeve 5, and the fixed pipe 17 is rotationally connected with the connecting plate 9, so that when the through hole 10 on the connecting plate 9 is not aligned with the extrusion rod 8, the connecting plate 9 can be rotated to align the through hole 10 on the surface thereof with the extrusion rod 8, one hand rotates the fixed pipe 17, and the other hand limits the connecting plate 9, so that the fixed pipe 17 drives the connecting plate 9 to move in a limited manner, the extrusion rod 8 contacts the inside of the through hole 10, and the connecting plate 9 contacts one side of the connecting pipe 4.

[0038] Further, in order to ensure that the device can be used in the case of uneven road, the screw rod 18 is arranged at the top end of the cart 1 in a threaded manner, and the screw rod 18 is rotatably connected to the limiting plate 19 through the cart 1, and a vertical pipe 20 is arranged at the top end of the cart 1, and a sliding block 23 and a sliding groove 22 are arranged in the vertical pipe 20, one side of the sliding block 23 is connected with a supporting rod 21, and the supporting rod 21 is connected with the top end of the limiting plate 19 through the cart 1, so that the limiting plate 19 at the bottom end of the screw rod 18 can move up and down when the screw rod 18 is rotated, so as to adjust according to the condition of the road.

[0039] Working principle: when in use, the sleeve 5 is threadedly connected with the inside of the air outlet pipe 3, the connecting plate 9 is rotated to align the through hole 10 on the surface of the connecting plate 9 with the extrusion rod 8, the fixed pipe 17 is rotated, and the connecting plate 9 is limited at the same time, so that the connecting plate 9 can be limited to move, the through hole 10 on the surface of the connecting plate 9 can be in contact with the extrusion rod 8, and the connecting plate 9 is tightly fixed on one side of the connecting pipe 4, if the air outlet pipe 3 and the sleeve 5 leak, the pressure in the connecting pipe 4 increases, and the annular plate 7 and the extrusion rod 8 are pushed to move, the extrusion rod 8 moves through the through hole 10 to the surface of the moving plate 13 and is extruded, the moving plate 13 drives the vertical rod 14 to move, the vertical rod 14 moves to the surface of the switch 15 and opens the switch 15, so that the buzzer 16 works, prompting the worker that the nitrogen leakage occurs at the connection between the air outlet pipe 3 and the sleeve 5, so as to handle it in time.

[0040] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A kind of automatic pressure control device in bromine unloading process, including nitrogen tank (2) being installed in the top of push car (1), it is characterized in that: The top end of the nitrogen tank (2) is provided with a gas outlet pipe (3); The surface of the gas outlet pipe (3) is fixedly connected with a connecting pipe (4), and the inside of the gas outlet pipe (3) is threadedly connected with a sleeve pipe (5), and one end of the sleeve pipe (5) is provided with a hose (6); The inner wall of the connecting pipe (4) is provided with an annular plate (7), and the annular plate (7) is provided with extrusion rods (8) on one side in an annular and equidistant manner; The surface of the sleeve pipe (5) is movably connected with a connecting plate (9), and the surface of the connecting plate (9) is provided with through holes (10) in an annular and equidistant manner, and one side of the connecting plate (9) is provided with sleeve sleeves (11) in an annular and equidistant manner, the inside of the sleeve sleeve (11) is connected with a spring (12) at the bottom end, and the top end of the spring (12) is connected with a moving plate (13), the bottom end of the moving plate (13) is connected with a vertical rod (14), and the inside of the sleeve sleeve (11) is provided with a switch (15) in contact with the bottom end of the vertical rod (14).

2. The automatic pressure control device in the process of bromine unloading according to claim 1, characterized in that: The diameter of the annular plate (7) is the same as the inner diameter of the connecting pipe (4), and the inner diameter of the annular plate (7) is the same as the diameter of the sleeve pipe (5).

3. The automatic pressure control device in the process of bromine unloading according to claim 1, characterized in that: The contact between the connecting plate (9) and the connecting pipe (4) is provided with a sealing ring.

4. The automatic pressure control device in the process of bromine unloading according to claim 1, characterized in that: The top end of the connecting pipe (4) is provided with a buzzer (16), and the buzzer (16) is connected with the switch (15) and the power supply through wires.

5. The automatic pressure control device for unloading of bromine according to claim 1, characterized in that: The surface of the sleeve pipe (5) is threadedly connected with a fixed pipe (17) rotatably connected with one side of the connecting plate (9).

6. The automatic pressure control device in the process of bromine unloading according to claim 1, characterized in that: The top end of the trolley (1) is threadedly connected with a screw rod (18), and the screw rod (18) penetrates through the trolley (1) and is rotatably connected with a limiting plate (19), the top end of the trolley (1) is provided with a vertical pipe (20), and the inside of the vertical pipe (20) is provided with a supporting rod (21) connected with the top end of the limiting plate (19), the inside of the vertical pipe (20) is provided with a sliding groove (22) on both sides, and the inside of the sliding groove (22) is slidably connected with a sliding block (23) connected with the supporting rod (21).

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