阅读说明：本技术 一种高效智能密闭卸油装置及方法 (Efficient intelligent closed oil unloading device and method ) 是由 王顺华 董臣强 王其玉 尚庆军 王勇 陶建强 潘阳 冯宇 于 2020-05-27 设计创作，主要内容包括：本发明涉及卸油技术领域,具体地涉及一种高效智能密闭卸油装置及方法,包括软管、快速接头、离心泵及智能控制装置；所述软管一端通过快速接头与罐车密闭连接,另一端与离心泵连接；软管上靠近离心泵的位置设置有压力传感器；压力传感器与用于控制离心泵启停的智能控制装置连接；所述罐车顶部设置有呼吸阀,呼吸阀在非卸油状态时处于常关状态,在卸油过程中处于开合状态,用于平衡罐内外压力,防止油罐抽瘪事故的发生,本发明卸油过程在全密闭环境和智能控制下实现,杜绝了卸油过程中挥发性气体的散逸,实现了卸油过程零排放,卸油过程的智能化控制,降低了劳动强度,减少用工,安全环保、高效、可靠。(The invention relates to the technical field of oil discharge, in particular to a high-efficiency intelligent closed oil discharge device and a method, which comprises a hose, a quick joint, a centrifugal pump and an intelligent control device, wherein the hose is connected with the quick joint; one end of the hose is hermetically connected with the tank car through a quick connector, and the other end of the hose is connected with the centrifugal pump; a pressure sensor is arranged on the hose close to the centrifugal pump; the pressure sensor is connected with an intelligent control device for controlling the starting and stopping of the centrifugal pump; the top of the tank car is provided with the breather valve, the breather valve is in a normally closed state when in a non-oil-unloading state, and is in an opening and closing state in the oil unloading process, so that the internal and external pressure in the tank is balanced, and the oil tank is prevented from being deflated.)

1. The utility model provides a high-efficient intelligent airtight oil discharge device which characterized in that: comprises a hose, a quick coupling, a centrifugal pump and an intelligent control device; one end of the hose is hermetically connected with the tank car through a quick connector, and the other end of the hose is connected with the centrifugal pump; a pressure sensor is arranged on the hose close to the centrifugal pump; the pressure sensor is connected with an intelligent control device for controlling the starting and stopping of the centrifugal pump; the top of the tank truck is provided with a breather valve which is in a normally closed state when in a non-oil-unloading state and is in an opening and closing state in the oil-unloading process.

2. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the hose is divided into two parts, namely a hose a and a hose b, and the hose a and the hose b are connected through an oil collecting manifold; the oil collecting manifold comprises a bracket, two elbows and a connecting oil pipe; the two elbows are arranged on the bracket through the connecting rod, and a connecting oil pipe is arranged between the two elbows; the ends of the two elbows are respectively connected with the ends of a hose a and a hose b.

3. The high-efficiency intelligent closed oil unloading device according to claim 2, characterized in that: the height of the hose b is higher than that of the hose a.

4. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the connecting sealing controller comprises a movable pulley, a steel wire and a bracket; the steel wire is wound on the movable pulley, the end part of the steel wire is connected with the hose, and the height of the hose is controlled by adjusting the steel wire.

5. The high-efficiency intelligent closed oil unloading device according to claim 4, characterized in that: the support is telescopic structure, and the support bottom is fixed subaerial through the base, and the support is connected with base relative rotation formula.

6. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the quick connector adopts a lifting ring type quick connector, a sub body of the quick connector is connected to a tank car and used as an oil discharging port, a parent body of the quick connector is a stainless steel connecting pipe, and a basket filter is arranged in the stainless steel pipe.

7. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the high-efficiency intelligent closed oil unloading device also comprises a vehicle stopper for positioning the tank car.

8. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the intelligent control device detects pressure parameter change caused by liquid level change in the tank car through a pressure sensor, sets a threshold value, and controls the starting and stopping of the centrifugal pump through a logic control unit in the intelligent control device.

9. The high-efficiency intelligent closed oil unloading device according to claim 1, characterized in that: the hose is a PU steel wire hose.

10. An intelligent closed oil discharge method of the high-efficiency intelligent closed oil discharge device according to any one of claims 1 to 9, characterized in that:

(1) the hose is quickly and hermetically connected with the tank car through a quick connector by using a connection sealing controller;

(2) opening a self-carrying oil discharge valve of the tank car, detecting a pressure parameter by a pressure sensor, transmitting a signal to an intelligent control device, and controlling a centrifugal pump to start a pump after the signal is judged by a logic unit of the intelligent control device to start power oil discharge; in the oil unloading process, a breather valve at the top of the tank car is automatically opened to balance the pressure in the tank car;

(3) after the liquid level in the tank reaches the lower limit of the set threshold value, the pressure sensor detects a pressure parameter and transmits a signal to the intelligent control device, and the centrifugal pump is controlled to stop pumping after the judgment of a logic unit of the intelligent control device;

(4) the breather valve of the tank car is automatically closed, the oil discharging valve of the tank car is closed, the quick connector is removed, the sealing device is disconnected, and the oil discharging process is finished.

Technical Field

The invention relates to the technical field of oil discharge, in particular to a high-efficiency intelligent closed oil discharge device and method.

Background

The traditional oil unloading mode comprises an oil unloading tank, an oil unloading platform, a centrifugal pump and the like, and has large floor area and high investment; the oil unloading pool is open, the oil unloading process is not closed, oil gas is seriously volatilized, the environment is polluted, the occupational hazards of staff are caused, and safety risks such as fire, explosion and the like also exist; the intelligent degree of the oil unloading process is low, and the labor intensity of workers is high; the oil unloading mode is based on the gravity of the crude oil to unload oil, the oil unloading time is long, and the working efficiency is low; the oil unloading platform has a large gradient, and the oil unloading vehicle is difficult to be in place and has harsh use conditions in natural environments such as rain, snow, ice and the like. Therefore, the efficient intelligent closed oil unloading device and method capable of realizing the oil unloading process under the fully-closed environment and intelligent control have application prospects.

Disclosure of Invention

The invention aims to provide a high-efficiency intelligent closed oil discharging device and a method, wherein the oil discharging process is realized under the conditions of fully closed environment and intelligent control, the oil discharging mode is changed, the traditional gravity oil discharging is changed into power oil discharging, an oil discharging platform is cancelled, the oil discharging speed is obviously improved, and the effects of improving the working efficiency and saving land and investment are achieved; the oil unloading process is changed from open to closed, so that the problem of dissipation of volatile gas in the oil unloading process is solved, and zero emission in the oil unloading process is realized.

The technical scheme adopted by the invention for solving the technical problems is as follows:

an efficient intelligent closed oil discharge device comprises a hose, a quick connector, a centrifugal pump and an intelligent control device; one end of the hose is hermetically connected with the tank car through a quick connector, and the other end of the hose is connected with the centrifugal pump; a pressure sensor is arranged on the hose close to the centrifugal pump; the pressure sensor is connected with an intelligent control device for controlling the starting and stopping of the centrifugal pump; the tank car top is provided with the breather valve, and the breather valve is in normally closed state when non-oil discharge state, is in the state that opens and shuts at the oil discharge in-process for the internal and external pressure in the balanced jar prevents the emergence of oil tank pump flat accident.

Furthermore, the hose is divided into two parts, namely a hose a and a hose b, and the hose a and the hose b are connected through an oil collecting manifold; the oil collecting manifold comprises a bracket, two elbows and a connecting oil pipe; the two elbows are arranged on the bracket through the connecting rod, and a connecting oil pipe is arranged between the two elbows; the end parts of the two elbows are respectively connected with the end parts of the hose a and the hose b; the height of the hose b is higher than that of the hose a. Through the setting of receiving oil header structure, can reduce the height of hose, the nimble height of adjusting and car of being convenient for is favorable to the oil discharge operation.

Furthermore, the connecting sealing controller comprises a movable pulley, a steel wire and a bracket; the steel wire is wound on the movable pulley, the end part of the steel wire is connected with the hose, and the height of the hose is controlled by adjusting the steel wire; the support is telescopic structure, and the support bottom is fixed subaerial through the base, and the support is connected with base relative rotary type to realize about the support, adjust from top to bottom, thereby control the brake pulley direction through about the support, adjust from top to bottom, realize hoist and mount line multidimension degree freedom adjustment, hose and the quick, accurate sealing connection of oil discharge tank car oil discharge connector.

Furthermore, the high-efficiency intelligent closed oil unloading device also comprises a vehicle stopper for positioning the tank car.

Furthermore, the hose is PU steel wire hose, the high-speed joint of being convenient for, has strong, the inside smoothness of wearability, scalable, high tensile strength and tear strength's of simultaneously advantage.

Furthermore, the quick connector adopts a lifting ring type quick connector, a sub body of the quick connector is connected to a tank car and used as an oil discharge port, a parent body of the quick connector is a stainless steel connecting pipe, and a basket filter is arranged in the stainless steel pipe and used for filtering impurities in crude oil; the stainless steel material is adopted, so that the corrosion resistance requirement of the crude oil unloading process is met; the sealing gasket for forming the sealing butt joint of the daughter and the parent body is made of an oil-resistant composite material, and can realize long-term reliable sealing.

Furthermore, the intelligent control device detects pressure parameter change caused by liquid level change in the tank car through a pressure sensor, reasonably sets a threshold value, and controls the starting and stopping of the centrifugal pump through a logic control unit in the intelligent control device.

The invention also provides another technical scheme:

an efficient intelligent closed oil discharge method comprises the following steps:

(1) the hose is quickly and hermetically connected with the tank car through a quick connector by using a connection sealing controller;

(2) opening a self-carrying oil discharge valve of the tank car, detecting a pressure parameter by a pressure sensor, transmitting a signal to an intelligent control device, and controlling a centrifugal pump to start a pump after the signal is judged by a logic unit of the intelligent control device to start power oil discharge; in the oil unloading process, a breather valve at the top of the tank car is automatically opened to balance the pressure in the tank car;

(3) after the liquid level in the tank reaches the lower limit of the set threshold value, the pressure sensor detects a pressure parameter and transmits a signal to the intelligent control device, and the centrifugal pump is controlled to stop pumping after the judgment of a logic unit of the intelligent control device;

(4) the breather valve of the tank car is automatically closed, the oil discharging valve of the tank car is closed, the quick connector is removed, the sealing device is disconnected, and the oil discharging process is finished.

Further, in the step (1), the tank car is positioned through a vehicle stopper.

Compared with the prior art, the intelligent closed oil unloading device is mainly used for closed oil unloading, the oil unloading process is realized under a fully closed environment and intelligent control, the dissipation of volatile gas in the oil unloading process is avoided, the zero emission of the oil unloading process is realized, the occupational hazards are reduced, the environmental pollution is avoided, and the safety risks such as fire, explosion and the like are eliminated; through the synergistic effect of connecting the sealing controller and the oil collecting header, the hose has the effect of reducing the height of the hose step by step and is convenient to disassemble and assemble quickly; the invention changes the oil unloading mode, changes the traditional gravity oil unloading into power oil unloading, cancels the oil unloading platform, obviously improves the oil unloading speed, and achieves the effects of improving the working efficiency, saving land and investment; the intelligent control of the oil unloading process reduces the labor intensity and the labor force, and is safe, environment-friendly, efficient and reliable.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged view of the quick coupling structure of the present invention;

FIG. 3 is an enlarged view of the basket filter construction of the present invention;

FIG. 4 is a bottom view of FIG. 3 of the present invention;

fig. 5 is a flowchart of the intelligent control device of the present invention.

The system comprises a centrifugal pump 1, an intelligent control device 2, a pressure sensor 3, a hose 4, an oil collecting manifold 5, a connecting seal controller 6, a quick connector 7, a vehicle stopper 8, a breather valve 9, a hose a41, a hose b42, a support 51, an elbow 52, a connecting oil pipe 53, a connecting rod 54, a movable pulley 61, a steel wire 62, a support 63, a sub-body 71, a main body 72 and a basket filter 73.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The invention is further illustrated by the following specific examples and the accompanying drawings.

Example 1:

as shown in fig. 1, the high-efficiency intelligent closed oil discharge device according to the present embodiment includes a hose 4, a quick coupling 7, a centrifugal pump 1, and an intelligent control device 2; one end of the hose 4 is hermetically connected with the tank car through a quick connector 7, and the other end of the hose is connected with the centrifugal pump 1; a pressure sensor 3 is arranged on the hose 4 close to the centrifugal pump 1; the pressure sensor 3 is connected with an intelligent control device 2 for controlling the starting and stopping of the centrifugal pump 1; tank car top is provided with breather valve 9, and breather valve 9 is in the normally closed state when non-oil discharge state, is in the state that opens and shuts at the oil discharge in-process for the internal and external pressure in the balanced jar prevents the emergence of oil tank deflation accident.

The hose 4 of the embodiment is divided into two parts, namely a hose a41 and a hose b42, and the hose a41 and the hose b42 are connected through an oil collecting header 5; the oil collecting header 5 comprises a connecting frame 63, two elbows 52 and a connecting oil pipe 53; the two elbows 52 are arranged on the connecting frame 63 through the connecting rod 54, and a connecting oil pipe 53 is arranged between the two elbows 52; the ends of the two elbows 52 are respectively connected with the ends of a hose a41 and a hose b 42; the height of the hose b42 is higher than that of the hose a 41; through the setting of receiving 5 structures of oil headers, can reduce the height of hose 4, be convenient for nimble adjustment and the height of car, be favorable to the oil discharge operation.

The connecting seal controller 6 of the present embodiment includes a movable pulley 61, a steel wire 62, and a connecting frame 63; the steel wire 62 is wound on the movable pulley 61, the end part of the steel wire 62 is connected with the hose 4, and the height of the hose 4 is controlled by adjusting the steel wire 62; the link 63 is telescopic structure, and the link 63 bottom is fixed subaerial through the base, and the link 63 is connected with the relative rotary type of base to realize about the link 63, adjust from top to bottom, thereby adjust control movable pulley 61 direction about, from top to bottom through the link 63, realize hoist and mount line multidimension degree free adjustment, hose 4 and oil tank truck oil discharge head are quick, accurate sealing connection.

The high-efficiency intelligent closed oil unloading device further comprises a vehicle stopper 8 for positioning the tank car.

This embodiment hose 4 is PU steel wire hose 4, the high-speed joint of being convenient for, has the advantage that wearability is strong, inside is level and smooth, scalable, high tensile strength and tear strength simultaneously.

As shown in fig. 2-4, the quick coupling 7 of this embodiment is a flying ring type quick coupling, the sub-body 71 of which is connected to a tank car and used as an oil discharge port, the main body 72 of which is a stainless steel connection pipe, and a basket filter 73 is disposed in the stainless steel pipe and used for filtering impurities in crude oil; the stainless steel material is adopted, so that the corrosion resistance requirement of the crude oil unloading process is met; the sealing gasket for forming the sealing butt joint of the daughter 71 and the parent 72 is made of an oil-resistant composite material, and can realize long-term reliable sealing.

In the embodiment, the intelligent control device 2 detects the pressure parameter change caused by the liquid level change in the tank car through the pressure sensor 3, reasonably sets the threshold value, and controls the start and stop of the centrifugal pump 1 through the logic control unit in the intelligent control device 2.

Specifically, as shown in fig. 5, the intelligent control device 2 determines a threshold range of a pressure parameter according to the physical property and the liquid level of crude oil in the site tank car, writes the threshold range into an RTU data acquisition TERMINAL (REMOTE TERMINAL UNIT) of the intelligent control device 2, and the pressure sensor 3 connected to the front end of the centrifugal pump 1 is responsible for receiving pressure data (analog quantity) transmitted by the liquid level in the tank car in real time and transmitting the value to the RTU, and determines whether the pressure value exceeds the set threshold range through a logic control UNIT preset by the RTU. When pressure data reaches the threshold critical point, the RTU outputs a control signal to the control relay, the control relay is connected with a motor controller of the centrifugal pump 1, the control relay receives the control signal of the RTU to realize the electric start and stop and the running state control of the centrifugal pump 1, and the upper computer connected with the intelligent control device 2 monitors the in-tank pressure and the running state of the centrifugal pump 1 in real time.

Furthermore, the intelligent control device 2 is connected with a remote terminal through a wireless network, the remote terminal is a mobile phone, a computer and other equipment, so that a worker can monitor the pressure change in the vehicle and the running state condition of the pump in the oil unloading process in real time at a computer end of a duty room, and abnormal conditions can be timely processed when the worker finds out the abnormal conditions in the oil unloading process.

The main measurement and control parameters of the intelligent control device 2 are as follows:

(1) remote signal transmission (PIT-01) of a pressure sensor 3 in the tank car;

(2) remote start-stop/running state indication (P-02A/B, P-03) of the centrifugal pump 1;

IO Point Collection

Type (B)	Description of the invention	Number of
			AI	Two-wire system 4-20mA analog quantity input	1
DO	System switching value output	2
			DI	Passive contact, system switching value input	1

The oil unloading method of the high-efficiency intelligent closed oil unloading device comprises the following steps:

(1) after the tank car is in place through the vehicle stopper 8, the PU steel wire hose 4 is quickly and hermetically connected with the tank car through the quick connector 7 by utilizing the connection sealing controller 6;

(2) opening a self-carrying oil discharge valve of the tank car, transmitting a signal to the intelligent control device 2 after the pressure sensor 3 detects a pressure parameter, controlling the centrifugal pump 1 to start the pump after the judgment of a logic unit of the intelligent control device 2, and starting power oil discharge; in the oil unloading process, a breather valve 9 at the top of the tank car is automatically opened to balance the pressure in the tank car;

(3) after the liquid level in the tank reaches the lower limit of the set threshold value and the pressure sensor 3 detects the pressure parameter, the signal is transmitted to the intelligent control device 2, and the centrifugal pump 1 is controlled to stop pumping after the judgment of the logic unit of the intelligent control device 2;

(4) the tank car breather valve 9 is automatically closed, the tank car oil unloading valve is closed, the quick connector 7 is removed, and the sealing device is disconnected;

(5) the tank car drives away from the limiter, and the oil unloading process is finished.

The invention changes the traditional gravity oil unloading into power oil unloading, cancels an oil unloading platform, improves the oil unloading speed by 30 to 40 percent, saves more than 60 percent of land and saves more than 50 percent of investment.

Example 2:

in an oil field of Xinjiang, the daily oil drainage amount is 15 cars, the daily oil drainage amount is 450 cubic meters, 30 tons of crude oil in a tank are arranged in the car after the quick connector is connected, 5 car limiters are arranged in the area, 5 cars can be simultaneously unloaded, and after the cars are in place, the PU steel wire hose is quickly and hermetically connected with the tank car through the quick connector by using a connection sealing controller; opening a self-carried oil discharge valve of the tank car, transmitting a signal to an intelligent control device after a pressure sensor detects a pressure parameter, controlling a centrifugal pump to start a pump after logic judgment, starting power oil discharge, and automatically opening a breather valve at the top of the tank car to balance the pressure in the tank; after the liquid level in the tank reaches the lower limit of the set threshold value, the pressure sensor detects the pressure parameter, the signal is transmitted to the intelligent control device, the centrifugal pump is controlled to stop after logic judgment, the breather valve of the tank car is automatically closed, the oil unloading valve of the tank car is closed, the quick connector is disassembled, the sealing device is disconnected, the tank car is driven away from the vehicle limiter, the oil unloading process is finished, the whole process consumes 10 minutes, the oil unloading time is more than 50% compared with the traditional oil unloading, the personnel only have 2 persons, the manpower is saved by more than half, and the intelligent control is realized in the whole process.

Example 3:

the method is characterized in that the method is used for victory of an oil field, the daily oil drainage amount is 30 cars and 900 cubic meters, 30 tons of crude oil are filled in a tank in the car after a quick connector is connected, 6 car limiters are arranged in the area, 6 cars can be unloaded simultaneously, after the cars are in place, the PU steel wire hoses are quickly and hermetically connected with the tank cars through the quick connector by using a connection seal controller after the tank cars are in place through the car limiters; opening a self-carried oil discharge valve of the tank car, transmitting a signal to an intelligent control device after a pressure sensor detects a pressure parameter, controlling a centrifugal pump to start a pump after logic judgment, starting power oil discharge, and automatically opening a breather valve at the top of the tank car to balance the pressure in the tank; after the liquid level in the tank reaches the lower limit of the set threshold value, the pressure sensor detects the pressure parameter, the signal is transmitted to the intelligent control device, the centrifugal pump is controlled to stop after logic judgment, the breather valve of the tank car is automatically closed, the oil unloading valve of the tank car is closed, the quick connector is disassembled, the sealing device is disconnected, the tank car is driven away from the limiter, the oil unloading process is finished, the time consumed in the whole process is 10 minutes, the oil unloading time is more than 50% compared with the traditional oil unloading time, the number of people is only 3, more than half of manpower is saved, and intelligent control is realized in the whole process.

The above embodiments are only specific examples of the present invention, and the protection scope of the present invention includes but is not limited to the product forms and styles of the above embodiments, and any suitable changes or modifications made by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.