CN-121974052-A - Transportation equipment for loading and unloading dangerous goods of liquid

CN121974052ACN 121974052 ACN121974052 ACN 121974052ACN-121974052-A

Abstract

The invention relates to cargo transportation equipment, in particular to transportation equipment for loading and unloading dangerous liquid cargoes, which aims to solve the technical problems that most of valves used in the conventional common tank container are manual switches, and the valves need to be manually operated during use, so that the risk of operation is high, and the efficiency is poor. The invention comprises a gas phase pipeline, an oil gas recovery joint interlocking valve, an oil gas recovery valve, a side plate ventilation valve, a main control gas source interface and a main control switch, wherein the oil gas recovery valve is connected with the oil gas recovery joint through the gas phase pipeline, one end of the side plate ventilation valve is communicated with the atmosphere, the other end of the side plate ventilation valve is connected with the gas phase pipeline through a first tee joint and is in a normally open state, the oil gas recovery joint interlocking valve is arranged on the oil gas recovery joint and is in a normally closed state, a main control switch gas inlet is connected with the main control gas source interface, a gas outlet is respectively connected with a gas inlet end of the oil gas recovery joint interlocking valve and the oil gas recovery valve, and a gas outlet end of the oil gas recovery joint interlocking valve is connected with the side plate ventilation valve.

Inventors

Lv Hongchang
TANG XIAOWEN
LI XUDONG
ZHANG FAN
LI ZHAOMING
ZHUANG XIAODONG
WANG SHUXIA

Assignees

中车西安车辆有限公司

Dates

Publication Date: 20260505
Application Date: 20251229

Claims (10)

1. The transportation equipment for loading and unloading the dangerous goods of the liquid comprises a frame assembly (2), a tank body (1) arranged in the frame assembly (2) and a liquid phase pipeline assembly (3) and a gas phase pipeline assembly (5) arranged on the tank body (1), and is characterized in that: the gas-phase pipeline assembly (5) comprises a gas-phase pipeline (52), an oil gas recovery joint (53), an oil gas recovery joint interlocking valve (55), an oil gas recovery valve (51) and a side plate ventilation valve (54), wherein the oil gas recovery valve and the side plate ventilation valve are pneumatic valves; The oil gas recovery valve (51) is arranged at the top of the tank body (1), the oil gas inlet end of the oil gas recovery valve is communicated with the inside of the tank body (1), and the oil gas outlet end of the oil gas recovery valve is connected with the oil gas recovery joint (53) through a gas phase pipeline (52); One end of the side plate ventilation valve (54) is communicated with the atmosphere, the other end of the side plate ventilation valve (54) is connected with the gas phase pipeline (52) through a first tee joint (56) and the connection position is close to the oil gas recovery valve (51), or the other end of the side plate ventilation valve (54) passes through the top of the tank body (1) to be communicated with the inside of the tank body (1); the oil gas recovery joint interlocking valve (55) is arranged on the oil gas recovery joint (53) and is in a normally closed state; The oil gas recovery device comprises a main control air source, a control panel (6), a main control air source interface (67) and a main control switch (64), wherein the main control air source interface (67) is used for being connected with an external air source (11), an air inlet of the main control switch (64) is connected with the main control air source interface (67) through an air pipe, an air outlet is respectively connected with an air inlet end of an oil gas recovery joint interlocking valve (55) and a control IN end of the oil gas recovery valve (51) through the air pipe, an air outlet end of the oil gas recovery joint interlocking valve (55) is connected with a control IN end of a side plate ventilation valve (54) through the air pipe, and the side plate ventilation valve (54) is IN a normally open state when the control IN end of the air recovery joint interlocking valve does not enter air.
2. The transportation equipment for loading and unloading liquid dangerous goods according to claim 1, wherein: the liquid phase pipeline assembly (3) comprises a siphon pipe (31), a loading and unloading valve (32), a liquid phase pipeline (33) and a loading and unloading joint (35); The device comprises a tank body (1), a material loading and unloading valve (32), a siphon (31), a liquid phase pipeline (33), a loading and unloading joint (35) and a liquid phase pipeline (33), wherein the material loading and unloading valve (32) is arranged at the top of the tank body (1) and is a pneumatic valve; The control panel (6) further comprises a bin dividing switch (65), an air inlet of the bin dividing switch (65) is connected with a control OUT end of the oil gas recovery valve (51) through an air pipe, and an air outlet of the bin dividing switch (65) is connected with an air inlet of the loading and unloading valve (32) through an air pipe and used for controlling the loading and unloading valve (32) to be opened or closed.
3. The transportation equipment for loading and unloading liquid dangerous goods according to claim 2, wherein: The liquid phase pipeline assembly (3) further comprises a bottom valve (36), wherein the bottom valve (36) is connected between the lower end of the liquid phase pipeline (33) and the loading and unloading joint (35) and is used for manually or pneumatically controlling the on-off of the loading and unloading joint (35) and the liquid phase pipeline (33).
4. A transportation equipment for handling liquid hazardous cargo according to claim 3, wherein: The air-conditioning device is characterized by further comprising a flat pressing structure (4), wherein the flat pressing structure (4) comprises a flat pressing valve (41), one end of the flat pressing valve (41) is connected with the upper end of the siphon pipe (31), the other end of the flat pressing valve is communicated with the inside of the tank body (1) and is used for balancing air pressure in a gas phase space in the siphon pipe (31) and air pressure in the gas phase space in the tank body (1), the flat pressing valve (41) is a pneumatic valve, an air inlet of the flat pressing valve (41) is connected with an air outlet of the sub-bin switch (65) through an air pipe, and the flat pressing valve (41) is in a normally open state when the air inlet of the flat pressing valve does not enter air.
5. The transportation equipment for loading and unloading liquid dangerous goods according to claim 4, wherein: the flat pressing structure (4) further comprises a flat pressing valve air pipe (42) and a siphon pipe open-pore valve seat (43); The siphon (31) is provided with the through-hole near the position of upper end, siphon trompil disk seat (43) fixed connection is in this through-hole department, the one end and siphon trompil disk seat (43) of level pressure valve trachea (42) are connected, and the other end is connected with the one end of level pressure pneumatic valve (41), level pressure pneumatic valve (41) fixed connection is at the top of jar body (1).
6. The transportation equipment for loading and unloading liquid dangerous goods according to claim 4, wherein: the device also comprises a residual liquid discharging structure (7), wherein the residual liquid discharging structure (7) comprises a liquid discharging pipe (72), an air source pipeline (75) and an air inlet pipe (77); One end of the liquid discharge pipe (72) is connected with the top of the tank body (1) through a liquid discharge pipe joint edge (71), and the other end of the liquid discharge pipe is connected with the lower part of the lower end of the liquid phase pipeline (33), a first check valve (73) is arranged on the liquid discharge pipe (72), the first check valve (73) is arranged close to the liquid discharge pipe joint edge (71), and the diameter of the liquid discharge pipe (72) is smaller than that of the liquid phase pipeline (33); The control panel (6) further comprises a residual liquid discharge pipeline air source connector (68), one end of the residual liquid discharge pipeline air source connector (68) is used for being connected with an external air source (11), the other end of the residual liquid discharge pipeline air source connector is connected with the upper end of the liquid phase pipeline (33) sequentially through an air source pipeline (75) and an air inlet pipe (77), and a second check valve (76) is arranged on the air inlet pipe (77).
7. A transportation equipment for handling liquid hazardous cargo according to claim 3, wherein: The loading and unloading joint (35) is arranged below the outer side of the tank body (1), the loading and unloading valve (32) is a subsea valve, and the bottom valve (36) is an API valve.
8. The transportation equipment for loading and unloading liquid dangerous goods according to claim 1, wherein: The control panel (6) further comprises an edge plate ventilation valve indicator lamp (61), a main control indicator lamp (66) and a pressure gauge (63), wherein the edge plate ventilation valve indicator lamp (61) is connected with a control OUT end of the edge plate ventilation valve (54) through an air pipe, the main control indicator lamp (66) is connected with an air outlet of the main control switch (64) through the air pipe, and the pressure gauge (63) is connected between the main control air source interface (67) and the main control switch (64) in series.
9. The transportation equipment for loading and unloading liquid dangerous goods according to claim 1, wherein: The gas-phase pipeline assembly (5) further comprises a gas-phase pipe hose (58), the gas-phase pipe hose (58) is connected between the oil gas recovery valve (51) and the gas-phase pipeline (52), and the oil gas recovery joint (53) is arranged below the outer side of the tank body (1).
10. The transportation equipment for loading and unloading liquid dangerous goods according to claim 1, wherein: The anti-overflow detection rod (8) with the anti-static function is further arranged at the top of the tank body (1), the control panel (6) further comprises an overflow protection plug (62), the anti-overflow detection rod (8) is connected with the overflow protection plug (62) through a wire, and the overflow protection plug (62) is used for being connected with an overflow protection interface of a ground facility.

Description

Transportation equipment for loading and unloading dangerous goods of liquid Technical Field The invention relates to cargo transportation equipment, in particular to transportation equipment for loading and unloading dangerous liquid cargoes. Background At present, most of liquid dangerous goods are not allowed to be transported on a railway, and the traditional transportation mode mainly comprises ship bulk cargo transportation, railway tank cars, highway tank cars and tank cars. These approaches, however, increasingly exhibit their limitations in the face of the high demands of modern logistics for efficiency, safety and flexibility. The railway tank car is limited by railway line layout and scheduling, and can not realize door-to-door transportation service, and the highway tank car has higher flexibility, but has the problems of small single-car transportation amount and high long-distance transportation cost. The tank container is an internationally standardized multi-type intermodal container, can be separated from a transport tool, can be easily converted among ships, trains and trucks, avoids the risks and the cost of midway changing and loading cargoes in the traditional mode, and solves the core problems of inflexibility in railway transportation and high road transportation cost. In addition, the tank container is assembled and disassembled, after the liquid is filled, the liquid is easy to remain in a liquid phase pipeline, so that the cargo is mixed, and moreover, the tank container assembled and disassembled has siphon effect in the transportation process, so that the transportation safety is influenced. Disclosure of Invention The invention aims to solve the technical problems that most of valves used in the conventional common tank container are manual switches, when the conventional common tank container is used, manual operation is needed, the operation risk is high, the efficiency is poor, in addition, after the tank container is filled with liquid, the liquid is easy to remain in a liquid phase pipeline, and the tank container is easy to be filled with liquid, the siphon effect exists in the transportation process, so that the transportation safety is influenced, and the transportation equipment for loading and unloading dangerous liquid cargoes is provided. In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: The transportation equipment for loading and unloading the dangerous liquid cargoes comprises a frame assembly, a tank body arranged in the frame assembly, and a liquid phase pipeline assembly and a gas phase pipeline assembly which are arranged on the tank body, and is characterized in that: The gas-phase pipeline component comprises a gas-phase pipeline, an oil gas recovery joint interlocking valve, an oil gas recovery valve and a sideboard ventilation valve, wherein the oil gas recovery valve and the sideboard ventilation valve are pneumatic valves; The oil gas recovery valve is arranged at the top of the tank body, the oil gas inlet end of the oil gas recovery valve is communicated with the inside of the tank body, and the oil gas outlet end of the oil gas recovery valve is connected with the oil gas recovery joint through a gas phase pipeline; one end of the side plate ventilation valve is communicated with the atmosphere, the other end of the side plate ventilation valve is connected with a gas phase pipeline through a first tee joint, and the connection position is close to the oil gas recovery valve, or the other end of the side plate ventilation valve passes through the top of the tank body and is communicated with the interior of the tank body; the oil gas recovery joint interlocking valve is arranged on the oil gas recovery joint and is in a normally closed state; The control panel comprises a main control air source interface and a main control switch, wherein the main control air source interface is used for being connected with an external air source, an air inlet of the main control switch is connected with the main control air source interface through an air pipe, an air outlet of the main control switch is respectively connected with an air inlet end of an oil gas recovery joint interlocking valve and a control IN end of the oil gas recovery valve through an air pipe, an air outlet end of the oil gas recovery joint interlocking valve is connected with a control IN end of a side plate ventilation valve through an air pipe, and the side plate ventilation valve is IN a normally open state when the control IN end of the side plate ventilation valve does not enter air. Further, the liquid phase pipeline assembly comprises a siphon pipe, a loading and unloading valve, a liquid phase pipeline and a loading and unloading joint; The upper end of the liquid phase pipeline is connected with the other end of the loading and unloading valve, and the lower end of the liquid phase pipeline is connected with the loading and unloading