CN218822662U

CN218822662U - Non-flushing differential pressure liquid level meter detection structure

Info

Publication number: CN218822662U
Application number: CN202223096064.5U
Authority: CN
Inventors: 穆翔; 雷安华; 张飞虎; 黄仁强; 张春海; 金超健
Original assignee: Hongji Formosa Petrochemical Co Zhejiang
Current assignee: Hongji Formosa Petrochemical Co Zhejiang
Priority date: 2022-11-17
Filing date: 2022-11-17
Publication date: 2023-04-07
Anticipated expiration: 2032-11-17

Abstract

The utility model provides a no washing differential pressure level gauge detects structure belongs to pipeline detection technical field. It comprises a pipeline to be tested, a high-pressure guiding pipe, a low-pressure guiding pipe and a liquid level display, the upper part and the bottom of the pipeline to be tested are respectively connected with a low-pressure pipe and a high-pressure pipe, and the outer ends of the low-pressure pipe and the high-pressure pipe are connected through connecting pipes. Through the differential pressure type level gauge of low pressure pipe and high pressure pipe and the pipeline upper portion that awaits measuring and bottom intercommunication of drawing, can detect the pressure differential of the pipeline upper and lower side that awaits measuring and show the liquid level in liquid level display, thereby it can prevent that liquid from washing away to draw pressure pipe and high pressure when the pipeline that awaits measuring flows and draw pressure pipe and improve and detect the precision not to wash the connecting tube spare.

Description

Non-flushing differential pressure liquid level meter detection structure

Technical Field

The utility model belongs to the technical field of the pipeline detects, a no washing differential pressure level gauge detects structure is related to.

Background

Among the prior art, when detecting pipeline pressure through the differential pressure level gauge, the pressure tube of differential pressure level gauge can insert and wait to detect the pipeline in, and during transmission liquid in the pipeline, thereby the liquid in the pipeline can wash to the pressure tube and lead to differential pressure level gauge's detection precision to reduce.

In order to overcome the defects of the prior art, various solutions are proposed through continuous exploration, for example, a chinese patent discloses a novel differential pressure type liquid level meter [ application number: 201922266924.7] comprises a storage tank to be tested, a high-pressure guiding pipe, a low-pressure guiding pipe, a valve and a liquid level display; the upper part and the bottom of the storage tank to be measured are respectively communicated with a low-pressure guiding pipe and a high-pressure guiding pipe, and the three parts form a closed loop; all be equipped with the valve on the pipe is pressed to low pressure pipe and high pressure, be equipped with liquid level display, its characterized in that on the pipe is pressed to the pressure of drawing between the valve: the pressure storage tank to be tested is internally provided with a bent pipe with one end internally provided with a filter screen, the bent pipe is connected with a high-pressure leading pipe, and a section of automatic spiral tie is arranged in the inlet of the high-pressure leading pipe.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned problem, a no washout differential pressure level gauge detects structure is provided.

In order to achieve the above purpose, the utility model adopts the following technical proposal:

the utility model provides a no washout differential pressure level gauge detects structure, draws including pipeline, high pressure that awaits measuring and presses pipe, low pressure and draws and press pipe and liquid level display, pipeline upper portion and the bottom that awaits measuring draw with the low pressure respectively and press the pipe and the high pressure draw and press the pipe to link to each other, the low pressure draw and press the pipe and the high pressure draw and press the pipe outer end to link to each other through the connecting pipe, liquid level display install on the connecting pipe, pipeline, low pressure that await measuring draw and press pipe and high pressure to draw and press pipe to form a closed loop, the high pressure draw and press pipe and low pressure to draw and press the pipe to connect the pipe fitting and the pipeline that awaits measuring through not washing and link to each other.

In foretell no washing formula differential pressure level gauge detection structure, no washing connect the pipe fitting level and run through the pipeline inner wall that awaits measuring, no washing connect the pipe fitting inner have with the pipeline inner wall that awaits measuring hug closely and the cross-section is annular scour protection sealing.

In the non-flushing differential pressure liquid level meter detection structure, the inner wall of the pipeline to be detected is also provided with an inner groove body matched with the anti-impact sealing part, the anti-impact sealing part is embedded into the inner groove body, and the end surface of the anti-impact sealing part is flush with the inner wall of the pipeline to be detected.

In the non-flushing differential pressure liquid level meter detection structure, the non-flushing connecting pipe fitting is detachably connected with the pipeline to be detected.

In the above-mentioned no washout type differential pressure level gauge detection structure, the no washout connecting pipe fitting include interior body and outer body, interior body and outer body fixed through detachable construction, the scour protection sealing portion set up including on the body, high pressure draw and press the pipe and the low pressure draw and press the pipe and link to each other with outer body.

In the above-mentioned flushless differential pressure level gauge detecting structure, the detachable structure includes a first screw joint part integrally formed with the inner pipe body and a second screw joint part integrally formed with the outer pipe body, and the first screw joint part and the second screw joint part can be in screw joint fit.

In the non-flushing differential pressure liquid level meter detection structure, a circumferential limiting structure is further arranged between the outer pipe body and the pipeline to be detected.

In foretell no washout differential pressure level gauge detects structure, circumference limit structure including fix annular limiting plate on outer body and set up the annular spacing groove on the pipeline outer wall that awaits measuring, the annular spacing inslot be equipped with a plurality of circumference stoppers that can insert to the annular limiting plate in, a plurality of circumference stoppers set up along outer body circumference.

In the detection structure of the non-flushing differential pressure liquid level meter, the low-pressure leading pipe and the high-pressure leading pipe are also provided with valves.

In the non-flushing differential pressure liquid level meter detection structure, the low-pressure guiding pipe and the high-pressure guiding pipe are also provided with a liquid discharge valve.

Compared with the prior art, the utility model has the advantages of:

1. through the differential pressure type level gauge of low pressure pipe and high pressure pipe and the pipeline upper portion that awaits measuring and bottom intercommunication of drawing, can detect the pressure differential of the pipeline upper and lower side that awaits measuring and show the liquid level in liquid level display, thereby it can prevent that liquid from washing away to draw pressure pipe and high pressure when the pipeline that awaits measuring flows and draw pressure pipe and improve and detect the precision not to wash the connecting tube spare.

2. Thereby the scour protection sealing part of hugging closely with the pipeline inner wall that awaits measuring can reduce the washing away of liquid and improve the detection precision, can also improve the sealed effect of junction.

3. The inner pipe body and the outer pipe body which are fixed through the detachable structure are combined to form a flushing-free connecting pipe fitting, and the detachable structure can enable the inner pipe body and the outer pipe body to be detached so as to facilitate subpackage transportation.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is a structural schematic diagram of a circumferential limiting structure.

In the figure, a pipeline to be tested 1, a high-pressure leading pipe 2, a low-pressure leading pipe 3, a liquid level display 4, a connecting pipe 5, a flushing-free connecting pipe fitting 6, an anti-impact sealing part 7, an inner groove body 8, an inner pipe body 9, an outer pipe body 10, a first screwed part 11, a second screwed part 12, an annular limiting plate 13, an annular limiting groove 14, a circumferential limiting block 15, a valve 16 and a liquid discharge valve 17.

Detailed Description

As shown in fig. 1-3, a there is not washout differential pressure level gauge detection structure, including pipeline 1 that awaits measuring, high pressure draw and press pipe 2, low pressure draw and press pipe 3 and liquid level display 4, pipeline 1 upper portion and bottom that awaits measuring link to each other with low pressure draw and press pipe 3 and high pressure draw and press pipe 2 respectively, low pressure draw and press pipe 3 and high pressure draw and press 2 outer ends to link to each other through connecting pipe 5, liquid level display 4 install on connecting pipe 5, pipeline 1 that awaits measuring, low pressure draw and press pipe 3 and high pressure draw and press pipe 2 to form a closed loop, high pressure draw and press pipe 2 and low pressure to press pipe 3 to link to each other through there being no washing connecting pipe 6 and pipeline 1 that awaits measuring.

The utility model discloses in, draw through the low pressure and press pipe 3 and high pressure to draw and press pipe 2 and the differential pressure formula level gauge of the 1 upper portion of pipeline to be measured and bottom intercommunication can detect the pressure difference of downside on the pipeline to be measured and show the liquid level in liquid level display, thereby it can prevent that liquid from washing away to draw when flowing in the pipeline to be measured to press pipe 3 and high pressure to draw and press pipe 2 to improve and detect the precision to have washed the connecting pipe fitting.

Specifically speaking, no washing is connected pipe fitting 6 level and is run through the pipeline 1 inner wall that awaits measuring, no washing connect pipe fitting 6 inner have with the pipeline 1 inner wall that awaits measuring hug closely and the cross-section is annular scour protection sealing 7. Thereby the scour protection sealing part of hugging closely with the pipeline inner wall that awaits measuring can reduce the washing away of liquid and improve the detection precision, can also improve the sealed effect of junction.

Preferably, the inner wall of the pipeline 1 to be measured is also provided with an inner groove body 8 matched with the anti-impact sealing part 7, the anti-impact sealing part 7 is embedded into the inner groove body 8, and the end face of the anti-impact sealing part is flush with the inner wall of the pipeline 1 to be measured. The impact-proof sealing part is embedded into the inner groove body 8, so that the influence of less liquid scouring on the detection precision can be further reduced.

Preferably, as shown in fig. 2, the flushless connecting tube 6 is detachably connected to the pipe 1 to be tested. The no-flushing connecting pipe fitting 6 comprises an inner pipe body 9 and an outer pipe body 10, the inner pipe body 9 and the outer pipe body 10 are fixed through a detachable structure, the anti-flushing sealing part 7 is arranged on the inner pipe body 9, and the high-pressure leading pipe 2 and the low-pressure leading pipe 3 are connected with the outer pipe body 10. The inner pipe body and the outer pipe body which are fixed through the detachable structure are combined to form a flushing-free connecting pipe fitting, and the detachable structure can enable the inner pipe body and the outer pipe body to be detached so as to facilitate subpackage transportation.

Specifically, the detachable structure includes a first screw portion 11 integrally formed with the inner tube 9 and a second screw portion 12 integrally formed with the outer tube 10, and the first screw portion 11 and the second screw portion 12 can be screwed together. The first screw joint part is matched with the second screw joint part to fix the inner pipe body and the outer pipe body in a screw joint mode.

Preferably, as shown in fig. 2 and 3, a circumferential limiting structure is further disposed between the outer pipe body 10 and the pipe 1 to be tested. The circumference limit structure includes annular limiting plate 13 fixed on outer body 10 and annular limiting groove 14 of setting on the pipeline 1 outer wall that awaits measuring, annular limiting groove 14 in be equipped with a plurality of circumference stoppers 15 that can insert to annular limiting plate 13, a plurality of circumference stoppers 15 set up along outer body 10 circumference. The circumference stopper can carry out circumference spacing to annular limiting plate to when body and outer body installation including, outer body can not follow circumferential direction when rotating interior body.

Specifically, the low-pressure guiding pipe 3 and the high-pressure guiding pipe 2 are also provided with valves 16.

Specifically, the low-pressure pipe 3 and the high-pressure pipe 2 are further provided with a drain valve 17. The drain valve is capable of draining liquid.

The utility model discloses a theory of operation is: the differential pressure type liquid level meter communicated with the upper part and the bottom of the pipeline to be detected 1 through the low-pressure guiding pipe 3 and the high-pressure guiding pipe 2 can detect the pressure difference between the upper side and the lower side of the pipeline to be detected and display the liquid level in the liquid level display, and the flushing-free connecting pipe fitting can prevent liquid from flushing the low-pressure guiding pipe 3 and the high-pressure guiding pipe 2 when flowing in the pipeline to be detected, so that the detection precision is improved;

the anti-scouring sealing part tightly attached to the inner wall of the pipeline to be detected can reduce scouring of liquid so as to improve detection precision, the sealing effect of a joint can be improved, and the anti-scouring sealing part is embedded into the inner groove body 8 so as to further reduce the influence of the scouring of the liquid on the detection precision;

the fixed interior body and the outer tube body of detachable construction make up and form not have and wash the connection pipe fitting, and detachable construction can make interior body and outer body dismantle to in the partial shipment transportation, no. one spiro union portion cooperation No. two spiro unions can be fixed with interior body and outer body spiro union, and the circumference stopper can carry out circumference spacing to annular limiting plate, thereby when including body and outer body installation, outer body can not follow circumferential direction when rotating interior body.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the pipeline 1 to be tested, the high-pressure pipe 2, the low-pressure pipe 3, the liquid level display 4, the connecting pipe 5, the connection pipe 6 without flushing, the anti-impact sealing part 7, the inner groove body 8, the inner body 9, the outer body 10, the first screwed part 11, the second screwed part 12, the annular limiting plate 13, the annular limiting groove 14, the circumferential limiting block 15, the valve 16, the drain valve 17 and the like are used more often, these terms are used only for more conveniently describing and explaining the essence of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides a no washout differential pressure level gauge detects structure, draws including pipeline (1) to be measured, high pressure and presses pipe (2), low pressure to draw and press pipe (3) and liquid level display (4), pipeline (1) to be measured upper portion and bottom draw with low pressure respectively and press pipe (3) and high pressure to draw and press pipe (2) to link to each other, low pressure draw and press pipe (3) and high pressure to draw and press pipe (2) outer end to link to each other through connecting pipe (5), liquid level display (4) install on connecting pipe (5), pipeline (1) to be measured, low pressure draw and press pipe (3) and high pressure to draw and press pipe (2) to form a closed loop, its characterized in that, high pressure draw and press pipe (2) and low pressure to draw and press pipe (3) to connect pipe fitting (6) and pipeline (1) to be measured through not having washed and link to each other.

2. The non-flushing differential pressure level gauge detection structure according to claim 1, wherein the non-flushing connection pipe (6) horizontally penetrates through the inner wall of the pipeline (1) to be detected, and the inner end of the non-flushing connection pipe (6) is provided with an anti-flushing sealing part (7) which is tightly attached to the inner wall of the pipeline (1) to be detected and has an annular cross section.

3. The non-flushing differential pressure liquid level gauge detection structure of claim 2, characterized in that the inner wall of the pipe (1) to be tested is further provided with an inner groove body (8) matched with the anti-impact sealing part (7), the anti-impact sealing part (7) is embedded into the inner groove body (8) and the end surface is flush with the inner wall of the pipe (1) to be tested.

4. The non-flushing differential pressure gauge detection structure according to claim 2, characterized in that the non-flushing connecting pipe (6) is detachably connected with the pipe (1) to be tested.

5. The non-flushing differential pressure level gauge detecting structure of claim 4, characterized in that the non-flushing connecting pipe (6) comprises an inner pipe body (9) and an outer pipe body (10), the inner pipe body (9) and the outer pipe body (10) are fixed through a detachable structure, the anti-flushing sealing part (7) is arranged on the inner pipe body (9), and the high-pressure leading pipe (2) and the low-pressure leading pipe (3) are connected with the outer pipe body (10).

6. The flushless differential pressure gauge sensing structure of claim 5, wherein the detachable structure comprises a first threaded portion (11) integrally formed with the inner tube (9) and a second threaded portion (12) integrally formed with the outer tube (10), the first threaded portion (11) and the second threaded portion (12) being threadably engaged.

7. The non-flushing differential pressure liquid level gauge detecting structure according to claim 6, characterized in that a circumferential limiting structure is further arranged between the outer pipe body (10) and the pipeline (1) to be measured.

8. The flushless differential pressure liquid level gauge detecting structure according to claim 7, wherein the circumferential limiting structure comprises an annular limiting plate (13) fixed on the outer pipe body (10) and an annular limiting groove (14) arranged on the outer wall of the pipe (1) to be detected, the annular limiting groove (14) is internally provided with a plurality of circumferential limiting blocks (15) capable of being inserted into the annular limiting plate (13), and the plurality of circumferential limiting blocks (15) are circumferentially arranged along the outer pipe body (10).

9. The non-flushing differential pressure liquid level gauge detecting structure according to any one of claims 1-8, characterized in that the low pressure pipe (3) and the high pressure pipe (2) are further provided with valves (16).

10. The non-flushing differential pressure liquid level gauge detecting structure according to any one of claims 1-8, characterized in that the low pressure pipe (3) and the high pressure pipe (2) are further provided with a drain valve (17).