CN214748205U - Scraper flowmeter suitable for oil field - Google Patents

Abstract

The utility model discloses a scraper flowmeter suitable for oil field, which comprises a shell, a rotor, a scraper blade, a metal sensor, a fixed seat, an ultrasonic oscillator, a first connecting pipe, a flushing pipe, a second connecting pipe and a discharge pipe, wherein the scraper flowmeter suitable for oil field is characterized in that firstly, the scraper blade is favorable for driving the rotor to rotate through the flowing action of medium fluid passing through the shell from the first connecting pipe, because the scraper blade is made of metal material, after the scraper blade rotates, the effect of detecting the scraper blade through the metal sensor is favorable for counting, and then the detection purpose of flow is achieved, secondly, the ultrasonic oscillator can perform ultrasonic oscillation on the inner part of the shell, and is favorable for separating a scale layer attached to the inner wall of the shell, and simultaneously, the scale layer convenient to separate is discharged by the discharge pipe following the water body through the matching of the flushing pipe and the discharge pipe, and finally the cleaning of the shell is achieved, effectively prevents the problem of influence on detection accuracy caused by scale accumulation after long-term use.

Description

Scraper flowmeter suitable for oil field

Technical Field

The utility model relates to a flowmeter technical field especially relates to a scraper flowmeter suitable for oil field is used.

Background

A blade flowmeter is a positive displacement meter. The flowmeter mainly comprises two parts of measurement and integration. The measuring part consists of a shell, a rotor, a scraper, a main shaft, a cam and other main components. The integrating part comprises a gear set in the shell, a precision corrector, a large character wheel counter and the like. If the signal is output from a long distance, an optoelectronic pulse transmitter is also provided.

The principle of the metal scraper flowmeter is that when the measured liquid is measured through a flow meter, the scraper and the rotor are pushed to rotate, the scraper stretches along the cam, and when the scraper rotates to a fixed angle along the cam, a fixed metering space is formed between the scraper, the rotor and the shell. The integrating part converts the fixed metering space unit of the measuring part into cubic meter per rotation through the gear set in the shell.

According to the above, the positive displacement scraper flowmeter in the prior art can theoretically perform accurate flow detection, but in the detection process of medium fluid such as applied to oil fields, the scaling layer is very easily attached to the inner wall of the shell and the scraper, and after long-term use, the measurement space is changed, and finally the detection and judgment of the flow are greatly influenced. Therefore, in view of the above drawbacks, it is necessary to design a scraper flowmeter suitable for oil field.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve lies in: the utility model provides a scraper blade flowmeter who is applicable to the oil field uses, solves the problem that the background art provided.

In order to solve the technical problem, the technical scheme of the utility model is that: a scraper flowmeter suitable for oil fields comprises a shell, a rotor, a scraper, a metal sensor, a fixed seat, an ultrasonic oscillator, a first connecting pipe, a flushing pipe, a second connecting pipe and a discharge pipe, wherein the rotor is rotatably arranged at the middle end inside the shell, the rotor is rotatably connected with the shell, the number of the scraper is a plurality of pieces, the scraper is uniformly and fixedly arranged on the outer wall of the rotor, the scraper is welded with the rotor, the metal sensor is fixedly arranged at the middle end at the lower side inside the shell, the metal sensor is connected with the shell through a bolt, the fixed seat is fixedly arranged at the top of the shell, the fixed seat is connected with the shell through a bolt, the ultrasonic oscillator is fixedly arranged inside the fixed seat, the ultrasonic oscillator is connected with the fixed seat through a bolt, the first connecting pipe is fixedly arranged at the lower end of the left side of the shell, the flushing pipe is fixedly arranged at the bottom of the first connecting pipe and connected with the first connecting pipe through a bolt, the second connecting pipe is fixedly arranged at the lower end of the right side of the shell and integrally formed with the shell, the discharge pipe is fixedly arranged at the bottom of the second connecting pipe, and the discharge pipe is connected with the second connecting pipe through a bolt.

Further, casing front end upside still set firmly control panel, control panel and casing adopt bolted connection, just control panel and ultrasonic oscillator adopt signal of telecommunication line connection, the inside top of casing still set firmly the metal covering, metal covering and casing adopt welded connection, just metal covering and ultrasonic oscillator adopt bolted connection, the inside bottom right side of casing still set firmly the AD converter, AD converter and casing adopt bolted connection, just the AD converter adopt signal of telecommunication line connection with metal sensor and control panel respectively.

Furthermore, first governing valve has still all set firmly in first connecting pipe and the second connecting pipe middle-end, first governing valve adopt welded connection with first connecting pipe and second connecting pipe respectively.

Furthermore, second regulating valves are fixedly arranged between the flushing pipe and the shell and between the discharge pipe and the shell, and the second regulating valves are respectively connected with the flushing pipe, the discharge pipe and the shell in a welding mode.

Compared with the prior art, the scraper flowmeter suitable for the oil field has the following advantages;

1. at first through the medium fluid by first connecting pipe through the inside effect that flows of casing, do benefit to the scraper blade and drive the rotor and rotate, because of the scraper blade is the metal material, after the scraper blade is rotatory, carry out the effect that detects through metal sensor to it, do benefit to the count, reach the detection purpose of flow then.

2. Secondly ultrasonic oscillator can carry out ultrasonic vibration to casing inside, does benefit to the adnexed scaling layer of shells inner wall and breaks away from, and by the cooperation of flushing pipe and discharge pipe, the scaling layer of being convenient for then break away from is followed the water by the discharge pipe and is discharged, finally reaches the clearance to the casing, and the effective prevention takes place the scale deposit after using for a long time and piles up to the problem of influence detection accuracy.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a front view of a drag flowmeter suitable for use in an oilfield;

FIG. 2 is a top plan view of a flow scraper meter suitable for use in oilfield applications;

FIG. 3 is a cross-sectional view A of a flow rate scraper blade suitable for use in oilfield applications;

FIG. 4 is a perspective view of a drag flowmeter suitable for use in an oilfield;

fig. 5 is a perspective view of a blade flowmeter suitable for use in an oilfield.

The ultrasonic cleaning device comprises a shell 1, a rotor 2, a scraper 3, a metal sensor 4, a fixed seat 5, an ultrasonic oscillator 6, a first connecting pipe 7, a flushing pipe 8, a second connecting pipe 9, a discharge pipe 10, a control panel 101, a metal cover 102, an A/D converter 103, a first regulating valve 701 and a second regulating valve 801.

The following detailed description will be further described in conjunction with the above-identified drawings.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments, however, it will be apparent to one skilled in the art that the described embodiments may be practiced without some or all of these specific details, and in other cases well-known process steps have not been described in detail.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1, 2, 3, 4, and 5, a scraper flowmeter suitable for oil field comprises a casing 1, a rotor 2, scrapers 3, metal sensors 4, a fixing base 5, an ultrasonic oscillator 6, a first connecting pipe 7, a flushing pipe 8, a second connecting pipe 9, and a discharge pipe 10, wherein the rotor 2 is rotatably disposed at the middle end inside the casing 1, the rotor 2 is rotatably connected with the casing 1, the number of the scrapers 3 is several, the scrapers 3 are uniformly fixed on the outer wall of the rotor 2, the scrapers 3 are welded to the rotor 2, the metal sensors 4 are fixedly disposed at the middle end of the lower side inside the casing 1, the metal sensors 4 are connected with the casing 1 by bolts, the fixing base 5 is fixedly disposed at the top of the casing 1, the fixing base 5 is connected with the casing 1 by bolts, the ultrasonic oscillator 6 is fixedly disposed inside the fixing base 5, the ultrasonic oscillator 6 is connected with the fixed seat 5 through a bolt, the first connecting pipe 7 is fixedly arranged at the lower end of the left side of the shell 1, the first connecting pipe 7 and the shell 1 are integrally formed, the flushing pipe 8 is fixedly arranged at the bottom of the first connecting pipe 7, the flushing pipe 8 is connected with the first connecting pipe 7 through a bolt, the second connecting pipe 9 is fixedly arranged at the lower end of the right side of the shell 1, the second connecting pipe 9 and the shell 1 are integrally formed, the discharge pipe 10 is fixedly arranged at the bottom of the second connecting pipe 9, and the discharge pipe 10 is connected with the second connecting pipe 9 through a bolt;

the scraper flowmeter suitable for oil fields has the following functions;

A. the first connecting pipe 7 and the second connecting pipe 8 are respectively connected with a medium fluid pipeline to be detected, and when the flow is detected, the scraper 3 is favorable for driving the rotor 2 to rotate under the flowing action of the medium fluid from the first connecting pipe 7 through the inside of the shell 1;

B. because the scraper 3 is made of metal, when the scraper 3 rotates, the metal sensor 4 is used for detecting the scraper, so that counting is facilitated, and the purpose of detecting the flow is achieved;

C. the ultrasonic oscillator 6 can perform ultrasonic oscillation on the inside of the shell 1, so that a scale formation layer attached to the inner wall of the shell 1 can be favorably separated, meanwhile, the flushing pipe 8 and the discharging pipe 10 can be respectively connected with a water supply pipe and a sewage discharge pipe in the prior art, water is injected into the flushing pipe 8, so that the inner wall of the shell 1 is favorably washed by the water, the separated scale formation layer is conveniently discharged by the discharging pipe 10 along with the water, the shell 1 is finally cleaned, and the problem of influence on detection accuracy due to scale accumulation after long-term use is effectively prevented;

the upper side of the front end of the shell 1 is fixedly provided with a control panel 101, the control panel 101 is connected with the shell 1 through bolts, the control panel 101 is connected with the ultrasonic oscillator 6 through electric signal lines, the top end of the inside of the shell 1 is fixedly provided with a metal cover 102, the metal cover 102 is connected with the shell 1 through welding, the metal cover 102 is connected with the ultrasonic oscillator 6 through bolts, the right side of the bottom end of the inside of the shell 1 is fixedly provided with an A/D converter 103, the A/D converter 103 is connected with the shell 1 through bolts, and the A/D converter 103 is respectively connected with the metal sensor 4 and the control panel 101 through electric signal lines;

it should be noted that the control panel 101 can facilitate the staff to control the ultrasonic oscillator 6, so as to facilitate the oscillation of the metal cover 102, facilitate the detachment of the wax layer attached to the inner wall of the housing 1, facilitate the cleaning, the a/D converter 103 can convert the electric signal sent by the metal sensor 4 into a digital signal to send to the control panel 101, and facilitate the control panel 101 to display the specific flow rate;

the middle ends of the first connecting pipe 7 and the second connecting pipe 9 are respectively and fixedly provided with a first regulating valve 701, and the first regulating valve 701 is respectively connected with the first connecting pipe 7 and the second connecting pipe 9 in a welding manner;

it should be noted that the first adjusting valve 701 can be opened and closed, which is beneficial to opening or closing the first connecting pipe 7 and the second connecting pipe 9, when the first adjusting valve is opened, normal medium circulation can be realized, after the first adjusting valve is closed, external water can enter conveniently, so as to flush the inside of the shell 1, and the scale-forming impurities inside the shell 1 can be discharged conveniently;

second regulating valves 801 are fixedly arranged between the flushing pipe 8 and the shell 1 and between the discharge pipe 10 and the shell 1, and the second regulating valves 801 are respectively connected with the flushing pipe 8, the discharge pipe 10 and the shell 1 in a welding manner;

it should be noted that the second regulating valve 801 can be opened and closed, which is beneficial to opening or closing the flushing pipe 8 and the discharge pipe 10, when the flushing pipe is opened, the flushing pipe can be beneficial to the inflow of external water into the casing 1, and also beneficial to the discharge of impurities in the casing 1, after the flushing pipe is closed, the water can be prevented from entering and exiting, and the conventional flow detection is realized.

Claims (4)

1. The utility model provides a scraper flowmeter suitable for oil field is used, its characterized in that includes casing, rotor, scraper blade, metal sensor, fixing base, ultrasonic oscillator, first connecting pipe, flushing pipe, second connecting pipe, discharge pipe, the rotor rotate and locate the inside middle-end of casing, scraper blade quantity be a plurality of, the scraper blade evenly set firmly in the rotor outer wall, metal sensor set firmly in the inside downside middle-end of casing, the fixing base set firmly in the casing top, ultrasonic oscillator set firmly inside the fixing base, first connecting pipe set firmly in casing left side lower extreme, the flushing pipe set firmly in first connecting pipe bottom, the second connecting pipe set firmly in casing right side lower extreme, the discharge pipe set firmly in second connecting pipe bottom.

2. The scraper flowmeter for oil field as set forth in claim 1, characterized in that a control panel is fixed on the upper side of the front end of the casing, the control panel is connected with the ultrasonic oscillator by electric signal lines, a metal cover is fixed on the top end of the inside of the casing, the metal cover is connected with the ultrasonic oscillator by bolts, an A/D converter is fixed on the right side of the bottom end of the inside of the casing, and the A/D converter is connected with the metal sensor and the control panel by electric signal lines.

3. The scraper flowmeter for oil field as set forth in claim 1, wherein the first regulating valve is fixed to the middle end of the first connecting pipe and the second connecting pipe.

4. The scraper flowmeter of claim 1, wherein a second regulating valve is fixedly arranged between the flushing pipe and the casing and between the discharge pipe and the casing.

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