CN210981369U

CN210981369U - Oil storage tank production and water content analysis device

Info

Publication number: CN210981369U
Application number: CN202020017701.7U
Authority: CN
Inventors: 孙宝有; 马志恒; 侯兆锋
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-07-10
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses an oil storage tank meter is produced and moisture content analytical equipment belongs to measuring device, erects the screen pipe from the tank bottoms to passing the tank deck in the oil storage tank to horizontal reflection floats in the screen pipe, and the top of screen pipe is equipped with the data reception treater, has connected laser distance measuring sensor, its laser head in the axial of screen pipe at the lower extreme of data reception treater, and the tank bottoms has set up pressure sensor and has linked with the data reception treater at wire and top. The measuring method comprises the following steps: using laser rangefindersMeasuring the height H of the liquid level in the tank, measuring the pressure of the liquid in the tank as P by a pressure sensor, and obtaining the density rho of the mixed liquid in the tank_{Mixing of}= P/(H × g), that is, the volume water content Q of the mixed liquid, Q = (ρ =), is obtained_{Mixing of}‑ρ_Oil）/（ρ_{Water (W)}‑ρ_Oil). The utility model discloses an oil storage tank meter is produced and moisture content analytical equipment, structural design is reasonable, utilizes laser rangefinder sensor and reflection float, and the liquid level height that records that can be accurate makes the moisture content and the output data that record accurate reliable.

Description

Oil storage tank production and water content analysis device

Technical Field

The utility model belongs to measuring device, in particular to oil storage tank meter product and moisture content analytical equipment.

Background

In the production process of oil fields, the monitoring and analysis of the liquid (oil) yield and the water content of oil wells are a basic basis for production operation management. In the production process, due to the lack of accurate automatic metering means, the real situation of the production condition of the first line cannot be summarized to the hands of technical management and production decision-making personnel in time, and management blind areas are caused. The Chinese patent publication No. CN2765188Y discloses a liquid level measuring device (1), pressure measuring instruments (2, 3) and a data processing display instrument (6), wherein the liquid level measuring device (1) is placed on the liquid level of crude oil (5) in an oil storage tank, the pressure measuring instrument (2) is installed on the outer tank wall of the upper part of the oil level in the oil storage tank, the pressure measuring instrument (3) is installed on the outer wall of the bottom of the oil storage tank, and the liquid level measuring device (1) and the pressure measuring instruments (2, 3) are respectively connected with the data processing display instrument (6) through circuits. The device solves the problems to a certain extent, and can measure the conditions of water content and crude oil reserves. However, due to the fact that the structural design of the device is unreasonable, the sensors are respectively installed on the oil storage tank and are not beneficial to calibration, detected data are not accurate, and measuring results have errors.

Disclosure of Invention

The utility model discloses an aim at overcoming prior art not enough, provide an oil storage tank meter product and moisture content analytical equipment.

The utility model discloses an oil storage tank meter is produced and moisture content analytical equipment, including oil storage tank, screen pipe and data reception treater, erect the screen pipe from the tank bottoms to passing tank deck in the oil storage tank to horizontal reflection floats in the screen pipe, and the top of screen pipe is equipped with the data reception treater, has connected laser range sensor, its laser head in the axial of screen pipe at the lower extreme of data reception treater, and the tank bottoms has set up pressure sensor and has linked with the data reception treater at wire and top.

As a further improvement of the utility model, the data of laser range sensor and pressure sensor all input the data receiving processor.

The utility model discloses an oil storage tank meter is produced and moisture content analytical equipment, structural design is reasonable, utilizes laser rangefinder sensor and reflection float, and the liquid level height that records that can be accurate makes the moisture content and the output data that record accurate reliable.

Drawings

FIG. 1 is a schematic structural view of the device for analyzing the yield and the water content of the oil storage tank of the present invention;

FIG. 2 is a power module circuit diagram;

FIG. 3 is a circuit diagram of a CPU module;

fig. 4 and 5 are circuit diagrams of 485 communication modules, respectively.

Detailed Description

Example 1

The utility model discloses an oil storage tank meter is produced and moisture content analysis method, including following step:

a. measuring the liquid level height H in the tank by using a laser range finder arranged on the top of the tank;

b. measuring the pressure of liquid in the tank to be P by using a pressure sensor arranged at the bottom of the tank;

c. calculating the density rho, rho of the mixed liquid in the tank_{Mixing of}==P/（H*g）；

d. The density rho of the mixed solution obtained in the step c_{Mixing of}Calculating the volume water content Q, Q = (rho) of the mixed liquid in the tank_{Mixing of}-ρ_Oil）/ （ρ_{Water (W)}-ρ_Oil）；

e. Using step cObtaining the density rho of the mixed solution_{Mixing of}Calculating in-tank liquid mass m, m = pi r h rho_{Mixing of}。

Example 2

The utility model discloses an oil storage tank meter is produced and moisture content analytical equipment, tank deck at oil storage tank 1 is equipped with data reception treater 3, from the tank bottoms to passing tank deck and erectting screen pipe 2 in the jar, and horizontal reflection floats 5 in the screen pipe, be fixed with data reception treater 3 at the top of screen pipe 2, laser range finding sensor 6 has been connected at data reception treater 3's lower extreme, its laser head 7 of laser range finding sensor 6 is relative with reflection float 5 perpendicular to the axial of screen pipe 2, the bottom has set up pressure sensor 8 in the jar, and link with the data reception treater 3 at top with wire 9. The device fixes a measuring sensor and a signal processing instrument on a structure body, and the measuring sensor and the signal processing instrument are calibrated before leaving a factory to form a formed product. The receiving processor 3 is formed by combining a CPU module (shown in figure 3), a data transmission module and a power supply module (shown in figure 2), wherein a serial port 2 of the CPU module is connected with the data transmission module through an RS485 communication module, a serial port 4 of the CPU module is connected with a pressure sensor through the RS485 communication module, a data transmission module is connected with a figure 4, and a pressure sensor is connected with a figure 5; and a serial port 3 on the CPU module is connected with the laser ranging sensor. The CPU module is used for reading data of the liquid level sensor and the tank bottom pressure sensor, and can calculate the mass, the volume, the density, the water content and the oil content of the liquid by combining the set tank structure size, the gravity acceleration g, the crude oil density rho oil and the density rho water of the water.

The device can be used for storage equipment such as buried irrigation, ground tanks and overhead tanks of a wellhead of the pumping unit, and can be used for measuring the oil well yield m, the water content and the oil yield at any time by performing instantaneous measurement and data calculation processing on the storage equipment.

When the device is used for measurement, the liquid level height H in the tank can be measured by using the laser range finder arranged at the top of the sieve tube and the buoy in the sieve tube, the pressure of the liquid in the tank is measured to be P by using the pressure sensor arranged in the tank bottom, and the density rho of the mixed liquid in the tank is obtained_{Mixing the raw materials in a stirring manner,}reuse of rho_{Mixing of}Respectively calculating to obtain mixed liquid in tankVolume water content Q and liquid mass m in the tank. The device adopts a laser ranging sensor to measure the distance from the top of the irrigation tank to the liquid level, and the liquid level height can be obtained by combining the distance measured at the bottom of the tank; and measuring the pressure of the tank bottom by adopting a high-precision pressure transmitting sensor.

Claims

1. Oil storage tank meter is produced and moisture content analytical equipment, including oil storage tank (1), screen pipe (2) and data reception treater (3), from the tank bottoms to passing tank deck and erect screen pipe (2) in its characterized in that oil storage tank (1), and horizontal reflection cursory (5) in the screen pipe, the top of screen pipe (2) is equipped with data reception treater (3), laser range sensor (6) have been connected to the lower extreme of data reception treater (3), its laser head (7) are perpendicular to the axial of screen pipe (2), tank bottom has set up pressure sensor (8), and link with data reception treater (3) at top with wire (9).

2. The apparatus for analyzing measured yield and water content of oil storage tank according to claim 1, wherein the data of the laser distance measuring sensor (6) and the pressure sensor (8) are inputted into the data receiving processor (3).