Wharf oil gas recovery ship shore interface safety device

Abstract

A safety device for a shore interface of a wharf oil and gas recovery ship comprises a gas inlet pipe, an oil and gas outlet pipe, a gas-liquid separator, an inert gas inlet pipeline, an unloading pipeline, a gas inlet oxygen content sensor, a monitoring oxygen content sensor and a control box, the gas inlet pipe is communicated with a gas inlet of the gas-liquid separator, and an emergency cut-off valve is arranged between the gas inlet pipe and the gas-liquid separator; an oil gas outlet of the gas-liquid separator is communicated with the oil gas outlet pipe, the oil gas outlet pipe is provided with a flame arrester and an induced draft fan, the inert gas inlet pipe is provided with an inert gas inlet valve, the unloading pipeline is communicated with the gas inlet pipe, the unloading pipeline is provided with an unloading valve, the inlet gas oxygen content sensor is arranged on the gas inlet pipe, and the oxygen content monitoring sensor is arranged on the oil gas outlet pipe. The inlet gas oxygen content sensor and the monitoring oxygen content sensor are in communication connection with the control box, and the emergency cut-off valve, the inert gas inlet valve, the unloading valve, the gas-liquid separator, the flame arrester and the induced draft fan are all electrically connected with the control box. The device can quickly reduce the oxygen concentration in oil gas and effectively reduce the accident occurrence probability.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil gas recovery device technical field especially relates to a wharf oil gas recovery ship shore interface safety device. BACKGROUND

[0002] The ship shore interface safety system is a special equipment device arranged in front of the wharf for protecting the safety of the ship and the equipment on the ship during the oil gas recovery operation of the liquid cargo ship and protecting the safety of the oil gas treatment unit operation on the shore.

[0003] The existing wharf oil gas recovery ship shore interface safety device has the function of detecting the oxygen content in the gas, but does not have the corresponding automatic control to realize the emergency remedial measures, which increases the possibility of accidents. UTILITY MODEL CONTENT

[0004] Therefore, it is necessary to provide a wharf oil gas recovery ship shore interface safety device in view of the problem that the existing wharf oil gas recovery ship shore interface safety device has the function of detecting the oxygen content in the gas, but does not have the corresponding automatic control to realize the emergency remedial measures, which increases the possibility of accidents.

[0005] A wharf oil gas recovery ship shore interface safety device, comprising an air inlet pipe, an oil gas outlet pipe, a gas-liquid separator, an inert gas inlet pipe, an unloading pipe, an air inlet oxygen content sensor, a monitoring oxygen content sensor and a control box, the air inlet pipe is communicated with the air inlet of the gas-liquid separator, an emergency shut-off valve is arranged between the air inlet pipe and the gas-liquid separator, the oil gas discharge port of the gas-liquid separator is communicated with the oil gas outlet pipe, a flame arrester and a draft fan are arranged in the gas outlet direction of the oil gas outlet pipe in sequence, the inert gas inlet pipe is communicated with the air inlet pipe, an inert gas inlet valve is arranged on the inert gas inlet pipe, the unloading pipe is communicated with the air inlet pipe, an unloading valve is arranged on the unloading pipe, the air inlet oxygen content sensor is arranged on the side of the emergency shut-off valve away from the gas-liquid separator, the monitoring oxygen content sensor is arranged between the flame arrester and the draft fan, the air inlet oxygen content sensor and the monitoring oxygen content sensor are in communication connection with the control box, and the emergency shut-off valve, the inert gas inlet valve, the unloading valve, the gas-liquid separator, the flame arrester and the draft fan are electrically connected with the control box.

[0006] The terminal oil gas recovery ship shore interface safety device can quickly reduce the oxygen concentration in oil gas in the case of high oxygen content, and effectively reduce the probability of accidents.

[0007] In one of the embodiments, a check valve is arranged between the unloading pipeline and the air inlet pipeline.

[0008] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises a flow meter arranged between the monitoring oxygen content sensor and the air inlet pipeline.

[0009] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises a signal receiving end for receiving a ship cabin overflow signal, and the signal receiving end is in communication connection with the control box.

[0010] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises an alarm in electrical connection with the control box.

[0011] In one of the embodiments, the unloading pipeline is provided with a fireproof air permeable cap at the end.

[0012] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises a liquid discharge pipeline in communication with the liquid discharge port of the gas-liquid separator.

[0013] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises an air permeable pipeline in communication with the air inlet pipeline, and the air permeable pipeline is provided with an air permeable valve in electrical connection with the control box.

[0014] In one of the embodiments, the terminal oil gas recovery ship shore interface safety device further comprises a pressure sensor arranged on the air inlet pipeline and arranged on the emergency shut-off valve, and the pressure sensor is in communication connection with the control box. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The figure is an assembly structure diagram of the terminal oil gas recovery ship shore interface safety device in one of the embodiments of the utility model.

[0016] The meanings of the reference numerals in the drawings are as follows:

[0017] 100 - terminal oil gas recovery ship shore interface safety device

[0018] 10 - air inlet pipe;

[0019] 20 - oil outlet pipe;

[0020] 30 - gas-liquid separator;

[0021] 40 - flame arrestor;

[0022] 50 - air induction fan;

[0023] 60 - emergency shut-off valve;

[0024] 70 - unloading pipe, 71 - unloading valve, 72 - check valve, 73 - fireproof vent cap;

[0025] 80 - air inlet oxygen content sensor;

[0026] 90 - monitoring oxygen content sensor;

[0027] 110 - control box;

[0028] 120 - flow meter;

[0029] 130 - signal receiving end;

[0030] 140 - liquid discharge pipe;

[0031] 150 - vent pipe, 151 - vent valve;

[0032] 160 - pressure sensor. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, a large number of specific details are set forth in order to fully understand the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0034] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0035] In addition, the terms "first", "second", etc. are used only for descriptive purposes and should not be construed as indicating or implying relative importance or an indicated number of technical features. Thus, the features defined with "first", "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0036] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0037] In the present application, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be indirectly contacted through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0038] It should be noted that when an element is referred to as "fixed to" or "disposed on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are only for illustrative purposes and do not represent the only embodiment.

[0039] Please refer to Figure 1For the wharf oil gas recovery ship shore interface safety device 100 of an embodiment of the utility model, including air intake pipe 10, oil gas outlet pipe 20, gas-liquid separator 30, fire arrestor 40, air blower 50 and control box 110, air intake pipe 10 with the air inlet of gas-liquid separator 30 is communicated, air intake pipe 10 with gas-liquid separator 30 between the emergency shut-off valve 60 is provided with, the oil gas discharge port of gas-liquid separator 30 with oil gas outlet pipe 20 is communicated, fire arrestor 40 and air blower 50 along the air outlet direction of oil gas outlet pipe 20 are sequentially arranged, emergency shut-off valve 60, gas-liquid separator 30, fire arrestor 40 and air blower 50 all with control box 110 electric connection.

[0040] Please refer to Figure 1 , the wharf oil gas recovery ship shore interface safety device 100 still includes inert gas air intake pipe 10, inert gas air intake pipe 10 with air intake pipe 10 is communicated, inert gas air intake valve is provided on inert gas air intake pipe 10, inert gas air intake valve with control box 110 electric connection.

[0041] Please refer to Figure 1 , the wharf oil gas recovery ship shore interface safety device 100 still includes unloading pipeline 70, unloading pipeline 70 with air intake pipe 10 is communicated, check valve 72 is provided between unloading pipeline 70 and air intake pipe 10, unloading valve 71 is provided on unloading pipeline 70, unloading valve 71 with control box 110 electric connection;The end of unloading pipeline 70 is provided with fireproof air cap 73.

[0042] Please refer to Figure 1 , the wharf oil gas recovery ship shore interface safety device 100 still includes air intake oxygen content sensor 80, air intake oxygen content sensor 80 is located on the side of emergency shut-off valve 60 away from gas-liquid separator 30, air intake oxygen content sensor 80 with control box 110 communication connection.

[0043] Please refer to Figure 1 , the wharf oil gas recovery ship shore interface safety device 100 still includes monitoring oxygen content sensor 90, monitoring oxygen content sensor 90 is located between fire arrestor 40 and air blower 50.

[0044] Please refer to Figure 1 , the wharf oil gas recovery ship shore interface safety device 100 still includes flowmeter 120, flowmeter 120 is located between monitoring oxygen content sensor 90 and air blower 50.

[0045] Please refer to Figure 1The port oil gas recovery ship shore interface safety device 100 further comprises an alarm, which is electrically connected with the control box 110. When the oxygen content value detected by the intake oxygen content sensor 80 or the monitoring oxygen content sensor 90 is greater than the second oxygen content threshold value, the control box 110 controls the alarm to open.

[0046] Please refer to Figure 1 The port oil gas recovery ship shore interface safety device 100 further comprises a signal receiving end 130 for receiving a cabin overflow signal, which is communicatively connected with the control box 110. When cabin overflow occurs, the signal receiving end 130 sends the cabin overflow signal to the control box 110, and after receiving the cabin overflow signal, the control box 110 controls the alarm to work, thereby reminding the operator to take corresponding emergency measures and further reducing the probability of accidents.

[0047] Please refer to Figure 1 The port oil gas recovery ship shore interface safety device 100 further comprises a liquid discharge pipe 140, which is in communication with the liquid discharge port of the gas-liquid separator 30. In the gas-liquid separator 30, the liquid pre-condensed in the intake pipe 10 is separated and discharged through the liquid discharge pipe 140.

[0048] Please refer to Figure 1 The port oil gas recovery ship shore interface safety device 100 further comprises a gas permeation pipeline 150, which is in communication with the intake pipe 10, and the gas permeation pipeline 150 is provided with a gas permeation valve 151, which is electrically connected with the control box 110.

[0049] Please refer to Figure 1 The port oil gas recovery ship shore interface safety device 100 further comprises a pressure sensor 160, which is arranged on the intake pipe 10 and the emergency shut-off valve 60, and is communicatively connected with the control box 110. The pressure sensor 160 can monitor the gas pressure in the intake pipe 10 at any time. When the pressure value detected by the pressure sensor 160 is less than the first pressure threshold value, the control box 110 controls the alarm to open and controls the gas permeation valve 151 to open to supplement air. When the pressure value detected by the pressure sensor 160 is greater than the second pressure threshold value, the control box 110 controls the gas permeation valve 151 to open to release pressure. When the pressure value detected by the pressure sensor 160 is greater than the third pressure threshold value, the control box 110 controls the alarm to open and controls the unloading valve 71 to open to release pressure. The first pressure threshold value is less than the second pressure threshold value, and the second pressure threshold value is less than the third pressure threshold value.

[0050] The working principle of the port oil and gas recovery ship shore interface safety device 100 in the embodiment is as follows: before loading operation, the hose or gas delivery arm is connected with the gas inlet pipe 10, the oil gas on the ship enters the gas-liquid separator 30 for gas-liquid separation, the filtered oil gas flows through the oil gas outlet pipe 20, and then passes through the flame arrester 40 and the air blower 50, and the oil gas is transported into the oil and gas recovery device for recovery; the liquid separated by the gas-liquid separator 30 is discharged through the liquid discharge pipe 140.

[0051] When the oxygen content value detected by the inlet oxygen content sensor 80 or the monitoring oxygen content sensor 90 is greater than the first oxygen content threshold value, the control box 110 controls the inert gas inlet valve to open, so as to supplement the inert gas to dilute, so that the oxygen concentration in the oil gas is lower than the explosion limit range, and the accident occurrence probability is effectively reduced.

[0052] When the oxygen content value detected by the inlet oxygen content sensor 80 or the monitoring oxygen content sensor 90 is greater than the second oxygen content threshold value, the control box 110 controls the emergency cut-off valve 60 to close, and controls the unloading valve 71 to open, so that the gas in the gas inlet pipe 10 is discharged, so as to quickly reduce the oxygen concentration in the oil gas, and further reduce the accident occurrence probability. The second oxygen content threshold value is greater than the first oxygen content threshold value.

[0053] The beneficial effects of the utility model are as follows: through the cooperation of the inlet oxygen content sensor 80, the monitoring oxygen content sensor 90, the emergency cut-off valve 60, the inert gas inlet valve, the unloading valve 71 and the control box 110, the control box 110 can control the emergency cut-off valve 60, the inert gas inlet valve and the unloading valve 71 to work according to the oxygen content value detected by the inlet oxygen content sensor 80 and the monitoring oxygen content sensor 90, so that the oxygen concentration in the oil gas can be quickly reduced in the case of high oxygen content, and the accident occurrence probability is effectively reduced.

[0054] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description simple, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, they should be considered as the range disclosed in the specification.

[0055] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it cannot be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled persons in the art, on the premise of not departing from the utility model concept, a number of modifications and improvements can be made, which belong to the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the appended claims.

Claims

1. A safety device for the ship-shore interface of oil and gas recovery at a wharf, characterized in that, The system includes an intake pipe, an oil / gas outlet pipe, a gas-liquid separator, an inert gas intake pipe, an unloading pipe, an intake oxygen sensor, a monitoring oxygen sensor, and a control box. The intake pipe is connected to the intake port of the gas-liquid separator, and an emergency shut-off valve is installed between the intake pipe and the gas-liquid separator. The oil / gas outlet of the gas-liquid separator is connected to the oil / gas outlet pipe. A flame arrester and an induced draft fan are sequentially installed along the outlet pipe. The inert gas intake pipe is connected to the intake pipe, and an inert gas inlet is installed on the inert gas intake pipe. The system includes an air valve, an unloading pipe connected to the air inlet pipe, an unloading valve on the unloading pipe, an air inlet oxygen content sensor located on the side of the emergency shut-off valve away from the gas-liquid separator, an oxygen content monitoring sensor located between the flame arrester and the induced draft fan, and the air inlet oxygen content sensor and the oxygen content monitoring sensor communicatively connected to the control box. The emergency shut-off valve, the inert gas inlet valve, the unloading valve, the gas-liquid separator, the flame arrester, and the induced draft fan are all electrically connected to the control box.

2. The safety device for the ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, A check valve is installed between the unloading pipe and the intake pipe.

3. The safety device for ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes a flow meter, which is located between the oxygen content monitoring sensor and the induced draft fan.

4. The safety device for ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes a signal receiver for receiving cabin overflow signals, the signal receiver being communicatively connected to the control box.

5. The safety device for the ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes an alarm, which is electrically connected to the control box.

6. The safety device for the ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, The unloading pipe is equipped with a fireproof and breathable cap at its end.

7. The safety device for the ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes a drain pipe, which is connected to the drain port of the gas-liquid separator.

8. The safety device for ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes a venting pipe, which is connected to the air inlet pipe, and a venting valve is provided on the venting pipe, which is electrically connected to the control box.

9. The safety device for the ship-shore interface of oil and gas recovery at the wharf according to claim 1, characterized in that, It also includes a pressure sensor, which is located on the air intake pipe and the emergency shut-off valve, and is communicatively connected to the control box.

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