CN219347896U

CN219347896U - Water auxiliary device is surveyed to oil water interface appearance heavy crude oil

Info

Publication number: CN219347896U
Application number: CN202320174452.6U
Authority: CN
Inventors: 杜有缘; 史高兴; 陈聪
Original assignee: Huangdao Inspection And Certification Co ltd
Current assignee: Huangdao Inspection And Certification Co ltd
Priority date: 2023-02-10
Filing date: 2023-02-10
Publication date: 2023-07-14
Anticipated expiration: 2033-02-10

Abstract

The application belongs to the field of heavy crude oil water measurement auxiliary devices, and particularly discloses a heavy crude oil water measurement auxiliary device of an oil-water interface instrument, which is characterized by comprising a chassis, a sleeve, an upper gland, a lower gland and two electrodes; the base plate is provided with two electrodes, the bottom of the sleeve is provided with a scraping block and a positioning block, the lower pressing cover is fixed at the bottom of the sleeve and used for fastening the scraping block, a guide block is arranged inside the sleeve, one end of the electrode penetrates through the scraping block, the positioning block and the guide block, a supporting spring is arranged between the guide block and the positioning block, an electric wire is arranged on the electrode, the top of the sleeve is connected with the upper pressing cover, and an external sensor penetrates through the upper pressing cover and is connected with the electric wire. The oil-water separator has the advantages that the problem that the electric signal cannot be emitted due to the fact that the electrode is covered by crude oil, so that clear water cannot be measured is solved, and the electrode part is cleaned through mechanical scraping by using an auxiliary device, so that the electric signal works normally.

Description

Water auxiliary device is surveyed to oil water interface appearance heavy crude oil

Technical Field

The application belongs to the field of heavy crude oil water measurement auxiliary devices, and particularly discloses an oil-water interface instrument heavy crude oil water measurement auxiliary device.

Background

The detection principle of the oil-water interface instrument is different, the application ranges of the oil-water interface instrument are different, and the capacitance-type and conductivity-type oil-water interface instrument is widely applied to oil interface measurement nowadays. However, various oil-water interface instruments are generally not suitable for measuring high-viscosity easily-bonded oil products at present. The oil-water interface instrument sensor is easily covered by heavy oil adhesion, has serious signal distortion and can hardly carry out engineering actual measurement. The measurement of bright water in high-viscosity heavy crude oil is always a difficult problem in the industry, and the crude oil covers an electrode to cause that an electric signal cannot be sent out, so that the bright water cannot be measured.

Disclosure of Invention

Based on the above, the electric signal is normally operated by cleaning the electrode portion with mechanical scraping by the auxiliary device of the present application. The technical proposal is that,

an oil-water interface instrument heavy crude oil water measurement auxiliary device comprises a chassis, a sleeve, an upper gland, a lower gland and two electrodes; the base plate is provided with two electrodes, the bottom of the sleeve is provided with a scraping block and a positioning block, the lower pressing cover is fixed at the bottom of the sleeve and used for fastening the scraping block, a guide block is arranged inside the sleeve, one end of the electrode sequentially penetrates through the scraping block, the positioning block and the guide block, a supporting spring is arranged between the guide block and the positioning block, an electric wire is arranged on the electrode, the top of the sleeve is connected with the upper pressing cover, and an external sensor penetrates through the upper pressing cover and is connected with the electric wire.

Preferably, a wedging block is arranged between the upper gland and the external sensor, and an O-shaped ring is arranged between the external sensor and the sleeve.

Preferably, the chassis and the electrode are fixed by a nut, and a gasket is arranged between the chassis and the electrode.

Preferably, the electrode and the guide block are fixed through a nut, and a gasket is arranged between the electrode and the guide block.

Preferably, the chassis is provided with a protrusion, and the protrusion is provided with a first step.

Advantageous effects

1. The crude oil covers the electrode, so that the electric signal cannot be emitted, the clear water cannot be measured, and the electrode part is cleaned by mechanical scraping through an auxiliary device, so that the electric signal can work normally.

Drawings

Fig. 1 is a cross-sectional view of the present application (sensor inserted into the device).

Fig. 2 is a three-dimensional view of the present application (sensor not inserted into the device).

Fig. 3 is a schematic diagram of a sensor structure.

In the figure, a 1-chassis, a 2-nut, a 3-washer, a 4-lower gland, a 5-scraping block, a 6-positioning block, a 7-supporting spring, an 8-electrode, a 9-guiding block, a 12-wire, a 13-sleeve, a 14-O-shaped ring, a 15-wedging block, a 16-upper gland and a 17-sensor are arranged.

Detailed Description

The following detailed description is exemplary and is intended to provide further explanation of the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application.

The heavy crude oil water measurement auxiliary device of the oil-water interface instrument comprises a chassis 1 (adopting insulation ceramics), a sleeve 13 (adopting S32168), an upper gland 16 (adopting S32168), a lower gland 4 (adopting S32168) and two electrodes 8 (S32168); the chassis 1 (adopting insulation ceramic) is provided with a bulge, and the bulge is provided with a first-stage step. The chassis 1 has the function of counterweight, two electrodes 8 are arranged on the chassis 1, the chassis 1 and the electrodes 8 are fixed through nuts 2, and a gasket 3 (stainless steel T304) is arranged between the chassis 1 and the electrodes 8. The bottom of the sleeve 1 is provided with a scraping block 5 and a positioning block 6 (insulating ceramic), the lower gland 4 is fixed at the bottom of the sleeve 13 and used for fastening the scraping block 5 (insulating rubber), a guide block 9 (insulating ceramic) is arranged inside the sleeve 13, one end of the electrode 8 sequentially penetrates through the scraping block 5, the positioning block and the guide block 9, the electrode 8 and the guide block 9 are fixed through the nut 2, and a gasket 3 is arranged between the electrode 8 and the guide block 9. A supporting spring 7 is arranged between the guide block 9 and the positioning block 6, an electric wire 12 is arranged on the electrode 8, the top of the sleeve 13 is connected with an upper pressing cover 16, and an external sensor 17 passes through the upper pressing cover 16 and is connected with the electric wire 12.

A wedging block 15 is arranged between the upper gland 16 and the external sensor 17, and an O-shaped ring 14 (insulating rubber) is arranged between the external sensor 17 and the sleeve 13.

Principle of operation

The portable oil-water interface instrument probe is inserted into the upper end of the auxiliary device, a lead is connected, an upper gland 16 is fastened, the sensor and the auxiliary device are placed at the bottom of a crude oil shore tank (crude oil water is generally at the bottom of the shore tank), crude oil is attached to an electrode 8 in the process of placing the crude oil into the bottom, the auxiliary device chassis 1 is preferentially bottomed after bottoming, an auxiliary device sleeve is continuously pressed down until approaching the chassis due to gravity at the moment, the electrode is contracted into the sleeve, a scraping block 5 plays a role of removing crude oil sticky matters of the electrode 8, and an operator slowly pulls up the sleeve in the process of separating the chassis from the sleeve due to the characteristic of the counterweight of the chassis 1, and the electrode 8 stretches out of the sleeve until the compression force of a supporting spring 7 between a guide block 9 and a positioning block 6 reaches balance and is static. At this time, the electrode 8 is in good contact with water, and transmits an electric signal back to the portable oil-water interface instrument, the oil-water interface instrument reacts, when different sounds appear on the oil-water interface instrument, the pull-up sensor is stopped, and an operator reads the number of the scales and adds the fixed correction height of the auxiliary device to finish the measurement work of the oil-water interface.

The sensor electrode and the auxiliary device electrode are electrically connected through the electric wire 12, the sensor 17 and the auxiliary device are in compression type connection, and the sensor end is fastened through the pressure of the upper gland 16 and the tension of the wedging block 15.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The heavy crude oil water measurement auxiliary device of the oil-water interface instrument is characterized by comprising a chassis, a sleeve, an upper gland, a lower gland and two electrodes; the base plate is provided with two electrodes, the bottom of the sleeve is provided with a scraping block and a positioning block, the lower pressing cover is fixed at the bottom of the sleeve and used for fastening the scraping block, a guide block is arranged inside the sleeve, one end of the electrode sequentially penetrates through the scraping block, the positioning block and the guide block, a supporting spring is arranged between the guide block and the positioning block, an electric wire is arranged on the electrode, the top of the sleeve is connected with the upper pressing cover, and an external sensor penetrates through the upper pressing cover and is connected with the electric wire.

2. The heavy crude oil water measurement auxiliary device of the oil-water interface instrument according to claim 1, wherein a wedging block is arranged between the upper gland and the external sensor, and an O-shaped ring is arranged between the external sensor and the sleeve.

3. The heavy crude oil water measurement auxiliary device of the oil-water interface instrument according to claim 1, wherein the chassis and the electrode are fixed through nuts, and a gasket is arranged between the chassis and the electrode.

4. The heavy crude oil water measurement auxiliary device of the oil-water interface instrument according to claim 1, wherein the electrode and the guide block are fixed through a nut, and a gasket is arranged between the electrode and the guide block.

5. The heavy crude oil water measurement auxiliary device of an oil-water interface instrument according to claim 1, wherein a bulge is arranged on the chassis, and a first-order step is arranged on the bulge.