CN212174447U - Clean high-efficient airtight oil discharge device - Google Patents

Abstract

The utility model belongs to the technical field of oil unloading of oil tankers in the petroleum and petrochemical industry, in particular to a clean and efficient airtight oil unloading device, which comprises an oil storage tank, an oil unloading pipeline, a fixed component, a PLC controller and a first alarm. There is an accommodating cavity, the side wall of the oil storage tank is provided with an oil inlet that communicates with the accommodating cavity, the top cover of the oil storage tank is made of transparent material, one end of the oil discharge pipeline is sealed with the oil discharge opening, and the other end of the oil discharge pipeline is connected with the oil inlet. Sealed connection, the oil discharge pipeline is provided with an oil inlet valve, an online water content analyzer, an on-off valve and a filter in sequence. The fixed component includes a fixed frame and a recovery tank detachably installed at the bottom of the fixed frame. The oil discharge pipeline is installed on the fixed frame The PLC controller is connected with the online moisture content analyzer, and the on-off valve and the first alarm are respectively connected with the PLC controller. Compared with the prior art, the utility model improves the oil unloading efficiency and avoids environmental pollution.

Description

A clean and efficient closed oil unloading device

technical field

The utility model belongs to the technical field of oil unloading of oil tankers in the petroleum and petrochemical industry, in particular to a clean and efficient closed oil unloading device.

Background technique

At present, in the petroleum and petrochemical industry, tank trucks are usually used to transport oil products. The oil tank trucks transport oil products to the unloading platform for unloading. When unloading oil on site, the open type unloading method is generally used. A common practice by oil parties to prevent oil adulteration. When unloading the oil, the relevant personnel observe the quality of the oil with the naked eye, so as to check whether the oil is mixed with water or impurities, so as to avoid economic losses.

However, the open oil unloading method itself has many disadvantages:

1) The volatilization of open oil unloading oil and gas can easily lead to explosion and cause safety accidents;

2) Open oil unloading causes crude oil to splash to the outside, causing environmental pollution and air pollution. Some unloading platforms have harsh on-site environment, and staff who breathe harmful substances for a long time are very easy to get sick;

3) The oil unloading speed is slow, which reduces the oil unloading production efficiency;

4) Many people supervise the quality of oil products on site, but observation of oil product quality with the naked eye is highly subjective, and various quality parameters of oil products cannot be accurately known, which wastes manpower and material resources.

Utility model content

The purpose of the utility model is to provide a clean and efficient closed oil unloading device in view of the deficiencies of the prior art, so as to improve the oil unloading efficiency and avoid environmental pollution.

In order to achieve the above object, the utility model adopts the following technical solutions:

A clean and efficient closed oil unloading device includes an oil storage tank, an oil unloading pipeline, a fixed component, a PLC controller and a first alarm, the oil storage tank is provided with an accommodation cavity, and the side wall of the oil storage tank is provided with The oil inlet communicated with the accommodating cavity, the top cover of the oil storage tank is made of transparent material, one end of the oil discharge pipeline is sealedly connected to the oil discharge port, and the other end of the oil discharge pipeline is sealed to the oil inlet port, The oil discharge pipeline is sequentially provided with an oil inlet valve, an on-line water content analyzer, an on-off valve and a filter. The fixed assembly includes a fixed frame and a recovery tank detachably installed at the bottom of the fixed frame. The oil discharge pipe The pipeline is installed on the fixing frame and is located above the recovery tank, the PLC controller is connected with the online moisture content analyzer, and the on-off valve and the first alarm are respectively connected with the PLC controller .

As an improvement of the clean and efficient closed oil unloading device of the present invention, the fixing frame includes a plurality of vertical support rods, a horizontal support rod and a plurality of arc supports matched with the oil discharge pipeline A number of vertical support rods are arranged side by side, the lateral support rods are connected to the tops of the vertical support rods, and the curved support rods are connected to the vertical support rods in a one-to-one correspondence. .

As an improvement of the clean and efficient closed oil unloading device of the present invention, the recovery tank is detachably connected to the bottom ends of a plurality of the vertical support rods.

As an improvement of the clean and efficient closed oil unloading device of the present invention, a liquid level sensor is arranged in the recovery tank, and the liquid level sensor is connected with the PLC controller.

As an improvement of the clean and efficient airtight oil unloading device of the present invention, a second alarm device is also included, and the second alarm device is connected with the PLC controller.

As an improvement of the clean and efficient closed oil unloading device of the present invention, the inlet end and the outlet end of the filter are respectively provided with pressure transmitters, and the pressure transmitters are connected with the PLC controller.

As an improvement of the clean and efficient airtight oil unloading device of the present invention, a third alarm device is also included, and the third alarm device is connected with the PLC controller.

As an improvement of the clean and efficient closed oil unloading device of the present invention, the top cover of the oil storage tank and its side wall are connected by a sealing rubber strip.

Compared with the prior art, the beneficial effects of the present utility model are:

1) The utility model adopts the oil discharge pipeline to directly connect the oil discharge port and the oil storage tank of the oil tanker, cancels the transfer pool of the original open oil discharge device, greatly increases the oil discharge speed, and improves the oil discharge speed. Moreover, the leakage of oil and gas during the unloading process is avoided, and the safety of the unloading process is guaranteed.

2) The utility model adopts a fixed component with a recovery groove to support the oil unloading pipeline, which can not only ensure the smooth progress of the oil unloading process, but also ensure that the leaked oil can be recovered in time in case of leakage of the oil unloading pipeline, and Recycling to avoid waste of crude oil and environmental pollution.

Description of drawings

Figure 1 is a schematic structural diagram of the present invention.

FIG. 2 is one of the structural schematic diagrams of the fixing assembly in the present invention.

FIG. 3 is the second structural schematic diagram of the fixing assembly in the present invention.

FIG. 4 is a signal connection diagram of each component in the present invention.

Among them: 1- oil storage tank, 2- oil discharge pipeline, 3- fixed component, 4- oil inlet valve, 5- online water content analyzer, 6- switch valve, 7- filter, 8- pressure transmitter, 9 - Liquid level sensor, 11- accommodating cavity, 12- oil inlet, 13- side wall, 14- top cover, 15- sealing strip, 31- fixing frame, 32- recovery tank, 311- vertical support rod, 312 - Lateral support bars, 313-curved support bars.

Detailed ways

As used in the specification and claims, certain terms are used to refer to particular components. It should be understood by those skilled in the art that hardware manufacturers may refer to the same component by different nouns. The description and claims do not use the difference in name as a way to distinguish components, but use the difference in function of the components as a criterion for distinguishing. As mentioned in the entire specification and claims, "comprising" is an open-ended term, so it should be interpreted as "including but not limited to". "Approximately" means that within an acceptable error range, those skilled in the art can solve the technical problem within a certain error range, and basically achieve the technical effect.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", horizontal" etc. The orientation or positional relationship shown in the figures is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Limitations of the present invention.

In the present utility model, unless otherwise expressly specified and limited, the terms "installation", "connection", "connection", "fixed" and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

The present utility model will be further described in detail below in conjunction with the accompanying drawings, but it is not intended to limit the present utility model.

As shown in Figures 1 to 4, a clean and efficient airtight oil unloading device includes an oil storage tank 1, an oil unloading pipeline 2, a fixed assembly 3, a PLC controller and a first alarm. The oil storage tank 1 is provided with an accommodating cavity 11 inside. The side wall 13 of the oil storage tank 1 is provided with an oil inlet 12 that communicates with the accommodating cavity 11 , the top cover 14 of the oil storage tank 1 is made of transparent material, one end of the oil discharge pipe 2 is sealed with the oil discharge port, and the other end of the oil discharge pipe 2 It is sealingly connected with the oil inlet 12, and the oil discharge pipeline 2 is provided with an oil inlet valve 4, an online water content analyzer 5, an on-off valve 6 and a filter 7 in sequence. The recovery tank 32 at the bottom of the rack 31, the oil discharge pipeline 2 is installed on the fixed rack 31 and is located above the recovery tank 32, the PLC controller is connected with the online water content analyzer 5, the switch valve 6 and the first alarm are respectively connected with the PLC controller connect.

Preferably, the fixing frame 31 includes a plurality of vertical support rods 311, a horizontal support rod 312 and a plurality of arc-shaped support rods 313 matched with the oil discharge pipeline 2, and the plurality of vertical support rods 311 are arranged side by side to support the horizontal The rods 312 are connected to the tops of the vertical support rods 311 , and the arc-shaped support bars 313 are connected to the vertical support rods 311 in one-to-one correspondence.

Preferably, the recovery groove 32 is detachably connected to the bottom ends of several vertical support rods 311 . When the oil in the recovery tank 32 is about to overflow, it can be disassembled in time for recovery and replacement. Specifically, the bottom of the recovery tank 32 is provided with a number of installation holes that match the cross-sectional shape of the vertical support rod 311. When the oil is about to overflow, the vertical support rod 311 only needs to be taken out from the installation hole, and the The recovery tank 32 is detached to recover the oil.

Preferably, the clean and efficient closed oil unloading device further includes a liquid level sensor 9 and a second alarm. The liquid level sensor 9 is arranged in the recovery tank 32, the liquid level sensor 9 is connected to the PLC controller, and the second alarm is connected to the PLC controller. connect. The liquid level sensor 9 is used to sense the liquid level of the oil leaking in the recovery tank 32. When the oil is about to overflow, the information will be fed back to the PLC controller, which will control the second alarm to work and provide the staff with replacement and recovery. Slot 32.

Preferably, the clean and efficient closed oil unloading device also includes a pressure transmitter 8 and a third alarm, the pressure transmitter 8 is arranged at the inlet end and the outlet end of the filter 7, and the pressure transmitter 8 is connected to the PLC controller, The third alarm is connected with the PLC controller. The pressure transmitter 8 at the inlet end is used to monitor the pressure value a at the inlet end, and the pressure transmitter 8 at the outlet end is used to monitor the pressure value b at the outlet end. When the difference between the pressure value a and the pressure value b is too large, it indicates that the filter 7 is blocked, at this time, the PLC controller controls the third alarm to work, reminding the staff to clean the filter 7.

Preferably, the first alarm device, the second alarm device and the third alarm device are all sound alarm devices, and the sounds produced by the three are different, which is convenient for identification and can quickly solve the corresponding problems or hidden dangers.

Preferably, the top cover 14 of the oil storage tank 1 and the side wall 13 are connected by a sealing rubber strip 15 . The top cover 14 and the side wall 13 are connected by a sealing rubber strip 15 to avoid contamination of the oil stored therein.

The working process of the clean and efficient airtight unloading device of the utility model is as follows: connect one end of the unloading pipeline 2 with the unloading port of the oil tanker, connect the other end of the unloading pipeline 2 with the oil inlet 12, and open the oil inlet valve. 4. The oil product is tested for water content through the online water content analyzer 5. The online water content analyzer 5 feeds back the information to the PLC controller. When the water content is qualified, the PLC controller controls the switch valve 6 to open, and the oil enters the filter. 7. Perform filtration. When the water content is unqualified, the PLC controller controls the on-off valve 6 to be in the on state, and transmits the signal to the first alarm, the first alarm works to provide the staff that the water content of the oil is unqualified. When the oil with qualified water content enters the filter 7 for filtration, the two pressure transmitters 8 at the inlet end and the outlet end respectively feed back the pressure information to the PLC controller. When the pressure difference between the two is large, the filter 7 The blockage needs to be cleaned up, and the PLC controller controls the third alarm to work, reminding the staff to clean the filter 7 . The filtered oil enters the accommodating cavity 11 through the oil inlet 12 , and the staff can observe the oil in the accommodating cavity 11 through the top cover 14 . In addition, during the unloading process, when the unloading pipeline 2 leaks, the leaked oil will drip into the recovery tank 32. When the liquid level sensor 9 in the recovery tank 32 senses that the liquid level is too high, it will overflow the recovery tank. At 32:00, the information is fed back to the PLC controller, and the PLC controller controls the operation of the second alarm, reminding the staff to recover the oil in the recovery tank 32 in time and replace the recovery tank 32 with a new one.

The above description shows and describes several preferred embodiments of the present invention, but as mentioned above, it should be understood that the present invention is not limited to the form disclosed herein, and should not be regarded as the exclusion of other embodiments, but the available Various other combinations, modifications and environments, and can be modified from the above teachings or skill or knowledge in the relevant field, within the scope of the inventive concept described herein. However, modifications and changes made by those skilled in the art do not depart from the spirit and scope of the present invention, and should fall within the protection scope of the appended claims of the present invention.

Claims (8)

1. A clean and efficient airtight oil unloading device is characterized in that: comprising an oil storage tank, an oil unloading pipeline, a fixed assembly, a PLC controller and a first alarm, the inside of the oil storage tank is provided with an accommodating cavity, and the The side wall is provided with an oil inlet that communicates with the accommodating cavity, the top cover of the oil storage tank is made of transparent material, one end of the oil discharge pipeline is sealed with the oil discharge port, and the other end of the oil discharge pipeline is connected to the oil discharge The oil inlet is sealed and connected, and the oil discharge pipeline is sequentially provided with an oil inlet valve, an online water content analyzer, an on-off valve and a filter. The oil discharge pipeline is installed on the fixing frame and is located above the recovery tank, the PLC controller is connected with the online water content analyzer, the on-off valve and the first alarm are respectively connected with The PLC controller is connected. 2 . The clean and efficient airtight oil unloading device according to claim 1 , wherein the fixing frame comprises a plurality of vertical support rods, a horizontal support rod and a plurality of arcs matched with the oil discharge pipeline. 3 . A plurality of vertical support rods are arranged side by side, the horizontal support rods are connected to the tops of a plurality of the vertical support rods, and a plurality of the arc-shaped support rods are connected with a plurality of the vertical support rods one by one. corresponding connection. 3 . The clean and efficient closed oil unloading device according to claim 2 , wherein the recovery tank is detachably connected to the bottom ends of a plurality of the vertical support rods. 4 . 4 . The clean and efficient airtight oil unloading device according to claim 1 , wherein a liquid level sensor is arranged in the recovery tank, and the liquid level sensor is connected with the PLC controller. 5 . 5 . The clean and efficient closed oil unloading device according to claim 4 , further comprising a second alarm, the second alarm being connected to the PLC controller. 6 . 6 . The clean and efficient closed oil unloading device according to claim 1 , wherein the inlet end and the outlet end of the filter are each provided with a pressure transmitter, and the pressure transmitter is connected to the PLC controller. 7 . connect. 7 . The clean and efficient airtight oil unloading device according to claim 6 , further comprising a third alarm device, and the third alarm device is connected to the PLC controller. 8 . 8 . The clean and efficient airtight oil unloading device according to claim 1 , wherein the top cover of the oil storage tank and its side walls are connected by a sealing rubber strip. 9 .

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