CN-224216110-U - Online metering and sampling device for crude oil conveyed by pipe

CN224216110UCN 224216110 UCN224216110 UCN 224216110UCN-224216110-U

Abstract

The utility model discloses an on-line metering and sampling device for crude oil conveyed by a pipe, which comprises a scraper flowmeter, a temperature detector, a pressure detector, a camera, a sampler and a sample storage, wherein the scraper flowmeter, the temperature detector and the pressure detector are arranged on a crude oil conveying pipe, the camera faces the scraper flowmeter, a sampling port is arranged on the side surface of the crude oil conveying pipe, the sampler is arranged at the sampling port, and an oil discharge pipe is arranged at the bottom of the sampler. According to the utility model, parameters required by crude oil metering are integrated, the parameters are automatically stored after matching with sampling, the acquisition of meter display data, temperature data and pressure data of the flowmeter is completed while sampling and storing are performed, manual reading and manual recording are not needed, remote monitoring can be realized, samples taken at different times can be continuously and automatically stored in a sample storage, manual repeated manual operation is not needed, and different inspection and experiment requirements are met.

Inventors

LI XIULIN
TENG YAJUN
YANG XINZHOU
HE ZEYU
FAN YUN
TAN MINGFEI

Assignees

昆明海关技术中心
德宏师范高等专科学校

Dates

Publication Date: 20260508
Application Date: 20250414

Claims (4)

1. The utility model provides a pipeline crude oil on-line metering and sampling device, includes scraper flowmeter (1), temperature detector (2), pressure detector (3), camera (4), sampler (5), sample memory (6), its characterized in that crude oil conveying pipe (7) are equipped with scraper flowmeter (1), temperature detector (2), pressure detector (3), camera (4) orientation scraper flowmeter (1), crude oil conveying pipe (7) side be equipped with the sample connection, sampler (5) locate the sample connection, sampler (5) bottom is equipped with oil drain pipe (8); Sample memory (6) include shell (601), riser (602), lift platform (603), rotary platform (604), sample bottle (605), shell (601) be located sampler (5) below, arrange oil pipe (8) top-down and penetrate in shell (601), riser (602) locate the bottom in shell (601), be equipped with lift platform (603) on riser (602), be equipped with rotary platform (604) on lift platform (603), and rotary platform (604) bottom center is equipped with rotary driving motor, along the circumferencial direction, set up a plurality of equidistant recess on rotary platform (604), a recess embedding is provided with a sample bottle (605), sample bottle (605) top bottle lid (606) be rubber or silica gel material, and bottle lid (606) center is equipped with cross opening, when sample bottle (605) turn to arrange oil pipe (8) below, arrange oil pipe (8) and bottle lid (606) cross opening correspond.
2. The on-line metering and sampling device for crude oil transported by pipe according to claim 1, characterized in that the side wall of the casing (601) corresponding to the oil-transporting pipe (8) is provided with a proximity sensor (607), the proximity sensor (607) is inductively matched with the sampling bottle (605), and the controller is respectively electrically connected with the proximity sensor (607), the lifter (602) and the rotary driving motor.
3. The on-line metering and sampling device for crude oil conveyed by a pipe according to claim 1, wherein the sampler (5) comprises a barrel (501), a push rod (502), a plug (503), a screw (504), a nut (505), a motor (506) and a slide rail (507), the end part of the barrel (501) is fixedly arranged at a sampling port, the push rod (502) is transversely arranged in the barrel (501), the rod body of the push rod (502) is tightly contacted with the inner wall of the barrel (501), the upper side and the lower side of the push rod (502) are respectively protruded to form a limit boss (509), the inner wall of the barrel (501) corresponding to the limit boss (509) is provided with a guide chute (508), the limit boss (509) is embedded into the guide chute (508), the limit boss (509) can move forwards and backwards along the guide chute (508), the front end of the plug (503) is a concave cambered surface, the concave cambered surface is jointed with the sampling port, the concave cambered surface and the inner wall of the common pipe forms the inner wall of the barrel, the back part of the plug (503) is gradually contracted, the back end of the plug (503) is fixedly connected with the front end of the push rod (502) and the front end (502) forms a tight contact area between the corresponding to the front end of the plug (502) and the front end (502), the front end of the oil passing area (510) corresponds to the rear part of the plug (503), an oil discharging pipe (8) is arranged at the lowest part of the oil passing area (510), the end part of the oil discharging pipe (8) longitudinally penetrates out of the cylinder body (501), a nut (505) is fixedly arranged at the rear end of the cylinder body (501), a screw rod (504) is in threaded fit with the nut (505), the front end of the screw rod (504) is rotationally connected with the rear end of the push rod (502), a power output part of the motor (506) is connected with the screw rod (504), a sliding rail (507) is arranged at the bottom of the motor (506), and the motor (506) can slide back and forth on the sliding rail (507).
4. The on-line metering and sampling device for crude oil transported by pipe according to claim 1, wherein the temperature detector (2), the pressure detector (3) and the camera (4) are respectively connected with a data center through a communication network.

Description

Online metering and sampling device for crude oil conveyed by pipe Technical Field The utility model belongs to the technical field of crude oil quality monitoring, and particularly relates to an on-line metering and sampling device for pipe-conveyed crude oil. Background The metering of crude oil is usually based on volume, and the actual volume of crude oil can be obtained after correction because the volume of crude oil is changed under the influence of temperature and pressure. In actual work, a worker reads the crude oil conveying pipe flowmeter to obtain a meter display flow value, records the temperature and the pressure at the moment and completes sampling. And (3) sending the sampled product to check the density, further calculating a standard density value, further calculating a correction coefficient according to the standard density value and temperature and pressure data recorded on site, and correcting according to the correction coefficient to obtain the actual crude oil volume. The traditional mode needs manual site meter reading, is inconvenient, and needs staff to keep on collecting oil samples beside the sampler, supports related monitoring and scientific research work for obtaining accurate data, and continuous measurement and sampling are higher and higher, so that staff needs repeated manual operation, and is time-consuming and labor-consuming. Currently, the prior art of tubing crude oil does not have continuous automated sampling equipment. Therefore, it is necessary to develop an on-line metering and sampling device for crude oil conveyed by a pipeline with high automation degree. Disclosure of utility model In order to solve the technical problems of time and labor waste in operation, the utility model aims to provide an on-line metering and sampling device for crude oil in pipe transportation, which improves the degree of automation, reduces the labor intensity and improves the monitoring efficiency of the crude oil in pipe transportation. The utility model aims at realizing the purposes, and the device comprises a scraper flowmeter, a temperature detector, a pressure detector, a camera, a sampler and a sample storage, wherein a crude oil conveying pipe is provided with the scraper flowmeter, the temperature detector and the pressure detector, the camera faces the scraper flowmeter, a sampling port is arranged on the side surface of the crude oil conveying pipe, the sampler is arranged at the sampling port, and an oil discharge pipe is arranged at the bottom of the sampler; the sample memory include shell, riser, lift platform, rotary platform, sample bottle, the shell be located the sampler below, arrange oil pipe top-down and penetrate in the shell, the riser locate the bottom in the shell, be equipped with lift platform on the riser, be equipped with rotary platform on the lift platform, and rotary platform bottom center is equipped with rotary driving motor, along the circumferencial direction, set up a plurality of equidistant recess on rotary platform, a recess embedding is provided with a sample bottle, sample bottle top bottle lid be rubber or silica gel material, and the bottle lid center is equipped with cross opening, when the sample bottle changes to arrange oil pipe below, arrange oil pipe and bottle lid cross opening corresponding. The scraper flowmeter is of a mechanical structure, and a manual meter reading is needed to acquire flow data, and a temperature detector and a pressure detector are also common detection equipment in the field. The lifter can select a small-sized air cylinder, the rotary driving motor is a speed reducing motor, and if the rotary platform is large, pulleys can be additionally arranged below the rotary platform to enhance the rotary stability, which are all known in the art, and the number of sampling bottles can be flexibly determined according to the sampling requirement. For the shell of the sample storage, a bin gate can be arranged on the side face of the shell, the bin gate is opened, the sampling bottle can be taken and placed, and the sampling bottle can be matched with a rotating platform when taken and placed, and is rotated to the position close to the bin gate so as to be convenient to take. Preferably, the side wall of the shell corresponding to the oil drain pipe is provided with a proximity sensor which is in inductive fit with the sampling bottle, the controller is respectively and electrically connected with the proximity sensor, the lifter and the rotary driving motor, the sampling bottle is detected by the proximity sensor by using common control equipment in the field, such as a PLC controller, the controller controls the lifter and the rotary driving motor to work so as to realize logic control, the connection relation between the controller and the proximity sensor, the lifter and the rotary driving motor and the control process are all known in the field, and when the controller is the PLC controller, the logic contro