CN210559349U

CN210559349U - Wireless liquid level detection device for oil discharge of railway oil tank car

Info

Publication number: CN210559349U
Application number: CN201920974791.6U
Authority: CN
Inventors: 吕振平; 董健
Original assignee: China National Aviation Fuel Co ltd
Current assignee: China National Aviation Fuel Co ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-05-19
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a railway tank wagon wireless liquid level detection device for oil discharge relates to oil and natural gas industry technical field, including vacuum tank, vacuum pump, oil depot, first oil pump, second oil pump, main oil pipe, vacuum oil pipe, main straw, vacuum straw, first flow switch, motorised valve, second flow switch, arrange end rubber tube, wireless radar level gauge, guided wave pipe, oil absorption crane pipe, alarm, handheld end and autonomous control room, its characterized in that: the lower end of the vacuum suction pipe is hermetically connected with the vacuum oil pipe, and the lower end of the main suction pipe is hermetically connected with the main oil pipe; has the advantages that: the situation that fault finding is not timely and handling depends on experience of operators when fault alarming and fault handling are carried out manually in the prior art is changed, automatic alarming and handling are carried out at the first time, stability and safety of equipment operation are greatly improved, and the fault alarming and handling device has good effects on equipment service life and overhauling and maintenance.

Description

Wireless liquid level detection device for oil discharge of railway oil tank car

Technical Field

The utility model relates to an oil and natural gas industry technical field especially relates to a railway tank wagon unloads oil and uses wireless liquid level detection device.

Background

At present, the trestle operation in the railway oil discharge operation does not have any sensor or electric equipment, all operation tasks need to be completed manually by staff, the modernization degree is low, the operation link with the most intensive human input is realized, the operation environment is complex, the monitoring cannot be implemented in the operation process, the operation staff needs to perform multiple rounds of inspection, the falling risk exists, the oil vapor can not be sucked, and the equipment operation risk and the personnel health hazard are large.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wireless liquid level detection device for unloading of railway oil tank car as an organic whole of real-time observation, automatic alarm and automatic control valve in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

the utility model provides a railway tank wagon wireless liquid level detection device for oil discharge, including vacuum tank, the vacuum pump, the oil depot, first oil pump, the second oil pump, main oil pipe, vacuum oil pipe, main straw, the vacuum straw, first flow switch, the motorised valve, the second flow switch, the twelfth solenoid valve, first violently pipe, the branch pipe, the thirteenth solenoid valve, first manual valve, arrange the bottom rubber tube, the second horizontal pole, the mount, the pneumatic cylinder, the commentaries on classics pipe, wireless radar level gauge, the guided wave pipe, the oil absorption oil filling riser, the manual valve of second, the manual valve of third, the alarm, handheld end and autonomous control room, its characterized in that: the main oil pipe is hermetically connected with the second oil pump in parallel through a pipeline, the second oil pump is hermetically connected with the oil depot through a pipeline, the bottom discharge rubber pipe is hermetically connected with the oil inlet of the vacuum tank through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the oil outlet of the vacuum tank is hermetically connected with the first oil pump through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the first oil pump is hermetically connected with the oil depot through a pipeline, the vacuum pump is hermetically connected with the vacuum tank through a pipeline, and the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel; the lower end of the vacuum suction pipe is connected with the vacuum oil pipe in a sealing manner, the lower end of the main suction pipe is connected with the main oil pipe in a sealing manner, the first flow switch is installed on the main suction pipe in a sealing manner, the electric valve is arranged above the first flow switch, the electric valve is installed on the main suction pipe in a sealing manner, the first transverse pipe is arranged above the electric valve, the middle part of the first transverse pipe and the vacuum suction pipe form a four-way pipe structure, one end of the first transverse pipe is connected with the main suction pipe in a sealing manner, the other end of the first transverse pipe is connected with the branch pipe in a sealing manner, the twelfth electromagnetic valve is installed on the first transverse pipe close to the branch pipe in a sealing manner, the thirteenth electromagnetic valve is installed on the first transverse pipe close to the main suction pipe in a sealing manner, and the second flow switch is, the trestle is fixedly installed on the ground, the main suction pipe penetrates out of the upper surface of the trestle and is provided with a second manual valve in a sealing manner, the second transverse pipe is arranged above the second manual valve, the middle part of the second transverse pipe and the vacuum suction pipe form a three-way pipe structure, one end of the second transverse pipe is connected with the main suction pipe in a sealing manner, the other end of the second transverse pipe is connected with the branch pipe and the bottom-discharging rubber pipe in a sealing manner, the second transverse pipe, the branch pipe and the bottom-discharging rubber pipe form a three-way pipe structure, the second transverse pipe is provided with the first manual valve close to the bottom-discharging rubber pipe in a sealing manner, the second transverse pipe is provided with the third manual valve close to the main suction pipe in a sealing manner, the trestle is fixedly provided with the fixing frame, the fixing frame is respectively fixedly connected with the main oil, the upper end of the connecting pipe is rotatably connected with the rotating pipe, the rotating pipe is rotatably connected with the rotating pipe, the hydraulic cylinder is connected onto the rotating pipe through a hinge, the moving end of the hydraulic cylinder is connected with the connecting pipe through a hinge, one end of the rotating pipe, far away from the connecting pipe, is rotatably connected with the oil absorption crane pipe, the waveguide pipe is fixedly installed on the inner wall of the oil absorption crane pipe, the upper part of the waveguide pipe is hermetically connected with the vent pipe, the vent pipe extends out of the oil absorption crane pipe, the upper end of the waveguide pipe penetrates out of the oil absorption crane pipe and is fixedly installed with the wireless radar liquid level device, a wireless transmitting antenna is fixedly installed on the wireless radar liquid level device, and a storage battery is arranged; the handheld end is provided with a mobile controller and a wireless transmitter inside, the handheld end and the wireless radar liquid level gauge are respectively connected with the automatic control chamber through wireless signals, and the vacuum pump, the first oil pump, the second oil pump, the first flow switch, the electric valve, the second flow switch, the twelfth electromagnetic valve, the thirteenth electromagnetic valve and the alarm are respectively and electrically connected with the automatic control chamber.

Preferably: the number of the second oil pumps is 4.

Preferably: the frequency of the wireless transmitting signal of the wireless radar liquid level device is 1 minute for 2-3 times.

Has the advantages that: due to the arrangement of the wireless radar liquid level device, untimely and artificial errors in patrol can be eliminated, the tank truck does not need to be used for observation during patrol, and the falling risk of operating personnel and the harm of oil vapor intake can be greatly reduced; the first flow switch and the second flow switch are arranged to judge and alarm, so that abnormal conditions in the oil unloading process such as no oil is sucked when the oil suction crane pipe is filled with air, the second oil pump is filled with air and the like are eliminated in time, the second oil pump is ensured to work in a stable working condition all the time, and the oil conveying efficiency during oil receiving and unloading is improved; the handheld end is arranged to interlock and emergency stop the pump when necessary, so that accidents are avoided; the automatic control chamber is arranged to automatically control the opening and closing of the twelfth electromagnetic valve, the thirteenth electromagnetic valve and the electric valve, so that the observation and waiting time of personnel on the oil tank truck is eliminated, the falling risk is reduced, the investment of the operation manpower of the trestle is effectively reduced, and the human resource allocation efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is the structure schematic diagram of the wireless liquid level detection device for oil discharge of the railway oil tank car.

Fig. 2 is a schematic view of a local structure of a wireless liquid level detection device for oil discharge of a railway oil tank car.

Fig. 3 is a schematic structural diagram of an oil suction crane pipe of the wireless liquid level detection device for oil discharge of the railway oil tank car.

The reference numerals are explained below:

20. a vacuum tank; 21. a vacuum pump; 22. an oil depot; 231. a first oil pump; 232. a second oil pump; 24. a main oil pipe; 25. a vacuum oil pipe; 26. a main straw; 27. a vacuum suction pipe; 28. a first flow switch; 29. an electrically operated valve; 30. a second flow switch; 31. a twelfth electromagnetic valve; 32. a first cross tube; 33. a branch pipe; 34. a thirteenth electromagnetic valve; 35. a first manual valve; 36. a bottom discharging rubber pipe; 37. a second cross bar; 38. a fixed mount; 39. a hydraulic cylinder; 40. pipe rotation; 41. a wireless radar level gauge; 42. a waveguide tube; 43. an oil suction crane pipe; 44. a second manual valve; 45. a third manual valve; 53. an alarm; 54. a handheld end; 55. an automatic control chamber.

Detailed Description

In the description of the present invention, it is to be understood that the terms "central", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing and simplifying the description, but not for indicating or implying that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention, and further that the terms "first", "second", etc., are used only for descriptive purposes and are not to indicate or imply relative importance or imply the number of technical features being referred to, whereby the features defined as "first", "second", etc., may explicitly or implicitly include one or more such features, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or the two elements may be connected through an intermediate medium, and the specific meaning of the above terms in the present invention can be understood by those skilled in the art through specific situations.

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1-3, a wireless liquid level detection device for oil discharge of a railway tank wagon, comprising a vacuum tank 20, a vacuum pump 21, an oil depot 22, a first oil pump 231, a second oil pump 232, a main oil pipe 24, a vacuum oil pipe 25, a main suction pipe 26, a vacuum suction pipe 27, a first flow switch 28, an electric valve 29, a second flow switch 30, a twelfth electromagnetic valve 31, a first horizontal pipe 32, a branch pipe 33, a thirteenth electromagnetic valve 34, a first manual valve 35, a primer removing pipe 36, a second horizontal pipe 37, a fixed frame 38, a hydraulic cylinder 39, a rotary pipe 40, a wireless radar liquid level gauge 41, a waveguide pipe 42, an oil suction crane pipe 43, a second manual valve 44, a third manual valve 45, an alarm 53, a handheld end 54 and an automatic control chamber 55, is characterized in that: the main oil pipe 24 is hermetically connected with a second oil pump 232 connected in parallel through a pipeline, the second oil pump 232 is used for discharging oil, the second oil pump 232 is hermetically connected with an oil depot 22 through a pipeline, the oil depot 22 is used for storing oil, a primer removing pipe 36 is hermetically connected with an oil inlet of a vacuum tank 20 through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the vacuum tank 20 is used for absorbing oil, the primer removing pipe 36 is used for removing residual oil, an oil outlet of the vacuum tank 20 is hermetically connected with a first oil pump 231 through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the first oil pump 231 is used for transferring oil, the first oil pump 231 is hermetically connected with the oil depot 22 through a pipeline, the vacuum pump 21 is hermetically connected with the vacuum tank 20 through a pipeline, the electromagnetic valve and the manual valve which are connected in parallel are; the lower end of a vacuum suction pipe 27 is hermetically connected with a vacuum oil pipe 25, the lower end of a main suction pipe 26 is hermetically connected with a main oil pipe 24, a first flow switch 28 is hermetically installed on the main suction pipe 26, the first flow switch 28 is used for detecting oil in the main suction pipe 26, an electric valve 29 is arranged above the first flow switch 28, the electric valve 29 is hermetically installed on the main suction pipe 26, a first transverse pipe 32 is arranged above the electric valve 29, the middle part of the first transverse pipe 32 and the vacuum suction pipe 27 form a four-way pipe structure, one end of the first transverse pipe 32 is hermetically connected with the main suction pipe 26, the other end of the first transverse pipe 32 is hermetically connected with a branch pipe 33, a twelfth electromagnetic valve 31 is hermetically installed on the first transverse pipe 32 close to the branch pipe 33, a thirteenth electromagnetic valve 34 is hermetically installed on the first transverse pipe 32 close to the main suction pipe 26, a second flow switch 30 is hermetically installed on the vacuum suction pipe 27 under the first transverse, the trestle is fixedly installed on the ground and used for supporting, a second manual valve 44 is installed on the main suction pipe 26 penetrating through the upper surface of the trestle in a sealing mode, a second transverse pipe is arranged above the second manual valve 44, the middle part of the second transverse pipe and the vacuum suction pipe 27 form a three-way pipe structure, one end of the second transverse pipe is connected with the main suction pipe 26 in a sealing mode, the other end of the second transverse pipe is connected with a branch pipe 33 and a bottom rubber discharge pipe 36 in a sealing mode, the second transverse pipe, the branch pipe 33 and the bottom rubber discharge pipe 36 form a three-way pipe structure, a first manual valve 35 is installed on the second transverse pipe in a sealing mode and close to the bottom rubber discharge pipe 36, a third manual valve 45 is installed on the second transverse pipe in a sealing mode and close to the main suction pipe 26, a fixed frame 38 is fixedly installed on the trestle, the fixed frame 38 is used for fixing, the fixed frame, the rotary pipe 40 is rotatably connected with the rotary pipe 40, the rotary pipe 40 is connected with a hydraulic cylinder 39 through a hinge, the hydraulic cylinder 39 is used for driving, the moving end of the hydraulic cylinder 39 is connected with a connecting pipe through a hinge, one end of the rotary pipe 40, which is far away from the connecting pipe, is rotatably connected with an oil absorption crane pipe 43, the oil absorption crane pipe 43 is used for unloading oil, a waveguide pipe 42 is fixedly installed on the inner wall of the oil absorption crane pipe 43, the upper part of the waveguide pipe 42 is hermetically connected with a vent pipe, the vent pipe is used for balancing air pressure, the vent pipe extends out of the oil absorption crane pipe 43, the upper end of the waveguide pipe 42 penetrates out of the oil absorption crane pipe 43 and is fixedly installed with a wireless radar liquid level device 41, the wireless radar liquid level device 41; the handheld end 54 is internally provided with a mobile controller and a wireless transmitter, the handheld end 54 is used for emergency control, the handheld end 54 and the wireless radar liquid level gauge 41 are respectively connected with the automatic control chamber 55 through wireless signals, and the vacuum pump 21, the first oil pump 231, the second oil pump 232, the first flow switch 28, the electric valve 29, the second flow switch 30, the twelfth electromagnetic valve 31, the thirteenth electromagnetic valve 34 and the alarm 53 are respectively electrically connected with the automatic control chamber 55; the number of the second oil pumps 232 is 4, so that the oil unloading efficiency and stability are improved; the wireless transmitting signal frequency of the wireless radar liquid level device 41 is 1 minute for 2-3 times, so that the explosion-proof requirement is met.

The working principle is as follows: when the tank truck unloads oil, the handheld end 54 controls the hydraulic cylinder 39 to contract, the oil absorption oil filling arm 43 is lifted, the oil absorption oil filling arm 43 is rotated, the hydraulic cylinder 39 extends, the oil absorption oil filling arm 43 is inserted into the tank truck, the automatic control chamber 55 controls the valve between the vacuum pump 21 and the vacuum tank 20 to be conducted, the vacuum pump 21 is started to vacuumize the vacuum tank 20, the valve between the vacuum tank 20 and the vacuum oil pipe 25 is conducted, the thirteenth electromagnetic valve 34 and the second manual valve 44 are opened, gas in the oil absorption oil filling arm 43 is pumped away through the vacuum suction pipe 27, when the second flow switch 30 detects oil, the thirteenth electromagnetic valve 34 is closed, the second oil pump 232 is started, the electric valve 29 is conducted, the oil is pumped into the oil depot 22 through the oil absorption oil filling arm 43, the wireless radar liquid level device 41 detects the liquid level of the oil in the tank truck, the alarm 53 alarms when the liquid level is detected, the on-off of the pipeline and the sudden stop of the pump, when the first flow switch 28 detects that the oil tank car is vacuumized, the primer removing pipe 36 is placed into the oil tank car, the twelfth electromagnetic valve 31 is conducted, the vacuum suction pipe 27 pumps the residual oil into the vacuum tank 20, when the vacuum tank 20 is full, a valve between the vacuum tank 20 and the first oil pump 231 is conducted, the first oil pump 231 is started, and the oil in the vacuum tank 20 is pumped into the oil depot 22; similarly, the first manual valve 35 replaces the twelfth electromagnetic valve 31, the third manual valve 45 replaces the thirteenth electromagnetic valve 34, and the oil unloading operation can be manually completed.

Having shown and described the basic principles, essential features and advantages of the invention, it should be understood by those skilled in the art that the present invention is not limited by the foregoing embodiments, which are merely illustrative, but rather are intended to cover various changes and modifications within the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a railway tank wagon wireless liquid level detection device for oil discharge, including vacuum tank, the vacuum pump, the oil depot, first oil pump, the second oil pump, main oil pipe, vacuum oil pipe, main straw, the vacuum straw, first flow switch, the motorised valve, the second flow switch, the twelfth solenoid valve, first violently pipe, the branch pipe, the thirteenth solenoid valve, first manual valve, arrange the bottom rubber tube, the second horizontal pole, the mount, the pneumatic cylinder, the commentaries on classics pipe, wireless radar level gauge, the guided wave pipe, the oil absorption oil filling riser, the manual valve of second, the manual valve of third, the alarm, handheld end and autonomous control room, its characterized in that: the main oil pipe is hermetically connected with the second oil pump in parallel through a pipeline, the second oil pump is hermetically connected with the oil depot through a pipeline, the bottom discharge rubber pipe is hermetically connected with the oil inlet of the vacuum tank through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the oil outlet of the vacuum tank is hermetically connected with the first oil pump through a pipeline, the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel, the first oil pump is hermetically connected with the oil depot through a pipeline, the vacuum pump is hermetically connected with the vacuum tank through a pipeline, and the pipeline is hermetically provided with an electromagnetic valve and a manual valve which are connected in parallel; the lower end of the vacuum suction pipe is connected with the vacuum oil pipe in a sealing manner, the lower end of the main suction pipe is connected with the main oil pipe in a sealing manner, the first flow switch is installed on the main suction pipe in a sealing manner, the electric valve is arranged above the first flow switch, the electric valve is installed on the main suction pipe in a sealing manner, the first transverse pipe is arranged above the electric valve, the middle part of the first transverse pipe and the vacuum suction pipe form a four-way pipe structure, one end of the first transverse pipe is connected with the main suction pipe in a sealing manner, the other end of the first transverse pipe is connected with the branch pipe in a sealing manner, the twelfth electromagnetic valve is installed on the first transverse pipe close to the branch pipe in a sealing manner, the thirteenth electromagnetic valve is installed on the first transverse pipe close to the main suction pipe in a sealing manner, and the second flow switch is, the trestle is fixedly installed on the ground, the main suction pipe penetrates out of the upper surface of the trestle and is provided with a second manual valve in a sealing mode, a second transverse pipe is arranged above the second manual valve, the middle part of the second transverse pipe and the vacuum suction pipe form a three-way pipe structure, one end of the second transverse pipe is connected with the main suction pipe in a sealing mode, the other end of the second transverse pipe is connected with the branch pipe and the bottom discharge rubber pipe in a sealing mode, the second transverse pipe, the branch pipe and the bottom discharge rubber pipe form a three-way pipe structure, the second transverse pipe is provided with the first manual valve close to the bottom discharge rubber pipe in a sealing mode, the second transverse pipe is provided with the third manual valve close to the main suction pipe in a sealing mode, the trestle is fixedly provided with the fixing frame, the fixing frame is respectively fixedly connected with the main oil, the upper end of the connecting pipe is rotatably connected with a rotating pipe, the rotating pipe is rotatably connected with the rotating pipe, the hydraulic cylinder is connected onto the rotating pipe through a hinge, the moving end of the hydraulic cylinder is connected with the connecting pipe through a hinge, one end of the rotating pipe, far away from the connecting pipe, is rotatably connected with the oil absorption crane pipe, the waveguide pipe is fixedly installed on the inner wall of the oil absorption crane pipe, the upper part of the waveguide pipe is hermetically connected with a vent pipe, the vent pipe extends out of the oil absorption crane pipe, the upper end of the waveguide pipe penetrates out of the oil absorption crane pipe and is fixedly installed with the wireless radar liquid level device, a wireless transmitting antenna is fixedly installed on the wireless radar liquid level device, and a storage battery; the handheld end is provided with a mobile controller and a wireless transmitter inside, the handheld end and the wireless radar liquid level gauge are respectively connected with the automatic control chamber through wireless signals, and the vacuum pump, the first oil pump, the second oil pump, the first flow switch, the electric valve, the second flow switch, the twelfth electromagnetic valve, the thirteenth electromagnetic valve and the alarm are respectively and electrically connected with the automatic control chamber.

2. The wireless liquid level detection device for oil discharge of the railway oil tank car as claimed in claim 1, wherein: the number of the second oil pumps is 4.