CN219198901U - Pipeline monitoring device - Google Patents

Abstract

The embodiment of the application discloses pipeline monitoring device, including pipe box subassembly, probe and vibration monitor, the pipe box subassembly is used for passing the pipe wall of pipeline to be tested, so that the one end of pipe box subassembly is located the pipeline inside of awaiting measuring, the detection end setting of probe is in the pipe box subassembly, vibration monitor connects in the probe, pipe box subassembly is installed on industry steam level pipeline upper portion generally, when the corrosion products striking pipe box subassembly that causes such as steam and high temperature high pressure corruption in the pipeline, the probe in it can be given vibration transmission to the pipe box subassembly, the probe is given vibration transmission again on the vibration monitor, record and upload data by vibration monitor, because of its vibration size granule quality, quantity and speed are correlated with, therefore when need be awaiting measuring pipeline to await measuring and carry out gas-solid two-phase vibration monitoring, can export the data in the vibration monitor, and confirm the concentration and/or the mass distribution of solid particle in the pipeline inside gas-solid two-phase flow of awaiting measuring according to vibration record data.

Description

Pipeline monitoring device

Technical Field

The embodiment of the application relates to the technical field of gas-solid two-phase flow monitoring, in particular to a pipeline monitoring device.

Background

The industrial steam pipeline is inevitably used throughout the year to cause high-temperature corrosion on the inner wall of the pipeline, the phenomenon of thermal expansion and contraction can occur along with the temperature change of an internal medium in operation, the pipeline generates stress, high-temperature corrosion products drop, blockage and even pipe explosion are caused when the high-temperature corrosion products are serious, and the monitoring of solid particles in gas-solid two-phase flow in the industrial steam pipeline has important effects on knowing the peeling state of the high-temperature corrosion products of the pipeline and preventing or treating the high-temperature corrosion products.

However, at present, for the monitoring of solid particles in a gas-solid two-phase flow in a flowing process, a conventional detection mode is sampling detection, however, the influence of high temperature and high pressure is received, the pipeline is required to be subjected to temperature and pressure reduction at first in the process of sampling the gas-solid two-phase flow, the interception of the solid particles is inevitably caused, meanwhile, the influence of reasons such as concentration changes of the solid particles of the gas-solid two-phase flow at different sampling positions is received, the sampling result is inaccurate, the traditional measurement result is mainly qualitative only, and in addition, the problems of long sampling pipeline, complex installation and the like of a monitoring system exist.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art or related art.

To this end, the utility model provides a pipe monitoring device comprising:

the pipe sleeve assembly is used for penetrating through the pipe wall of the pipe to be tested, so that one end of the pipe sleeve assembly is positioned inside the pipe to be tested;

the probe, the detection end of the probe is set up in the pipe sleeve assembly;

and the vibration monitor is connected with the probe.

In one possible embodiment, a pipe-in-pipe assembly includes:

the sleeve is used for penetrating through the pipe wall of the pipe to be tested;

the detection hole is formed in the sleeve and is arranged along the length direction of the sleeve;

the fixing piece is arranged in the detection hole and positioned at one end of the sleeve extending into the pipeline to be detected, and the fixing piece is connected with the probe.

In one possible embodiment, the fixture is threadably connected to the sleeve through the sensing bore.

In one possible embodiment, the pipeline monitoring device further comprises:

the base is arranged at one end of the probe, which is far away from the fixing piece, and is connected with the vibration monitor.

In one possible embodiment, the fixing element is provided with an unlocking hole on the side close to the outside of the pipe to be measured.

In one possible embodiment, the vibration monitor is removably coupled to the base.

In one possible embodiment, the outer wall of the end of the pipe sleeve assembly extending into the interior of the pipe to be tested is provided with a vibrating reed.

In one possible embodiment, the pipeline monitoring device further comprises:

and the alarm device is electrically connected with the vibration monitor.

In one possible embodiment, the outer surface of the cuff assembly is covered with a protective layer.

In one possible embodiment, the plurality of vibrating reeds are arranged at intervals along the outer surface of the end of the sleeve penetrating into the pipeline

Compared with the prior art, the utility model at least comprises the following beneficial effects:

the pipeline monitoring device provided by the embodiment of the application comprises a pipe sleeve assembly, a probe and a vibration monitor, wherein the pipe sleeve assembly is used for penetrating through the pipe wall of a pipeline to be tested, so that one end of the pipe sleeve assembly is positioned in the pipeline to be tested, the detection end of the probe is arranged in the pipe sleeve assembly, the vibration monitor is connected with the probe, the pipe sleeve assembly is usually arranged at the upper part of an industrial steam horizontal pipeline, when corrosion products in the pipeline, caused by steam, high-temperature high-pressure corrosion and the like, impact the pipe sleeve assembly, the pipe sleeve assembly can transmit vibration to the probe fixed in the pipe sleeve assembly, the probe transmits the vibration to the vibration monitor, the vibration monitor records and uploads data, and when the pipeline to be tested of the pipeline to be tested is required to be tested for gas-solid two-phase vibration monitoring, the data in the vibration monitor can be exported, the embodiment of the application has simple structure and convenient installation, adopts a mode of directly fixing the pipe sleeve component on the pipe wall of the industrial steam pipe, ensures that the pipeline monitoring device can monitor the solid concentration and/or speed in the internal gas-solid two-phase flow of the steam pipe without reducing temperature and pressure of the steam pipe, and compared with an online sampling method which needs to reduce temperature and pressure of the steam pipe, the embodiment of the application avoids interception of the solid particles in the two-phase flow when the temperature and pressure of the steam pipe are reduced, ensures that the judgment of the fixed particles in the pipeline to be tested is more accurate, changes qualitative to quantitative, improves the device performance, and simultaneously needs a monitoring method which uses a wedge-shaped probe to temporarily open holes in the steam pipe when the comparison is carried out, the operation of the embodiment of the application is simpler and quicker.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

FIG. 1 is a schematic illustration of a front cross-sectional structure of an embodiment provided herein;

FIG. 2 is a schematic view of a structure of an embodiment provided herein mounted on a pipe under test;

FIG. 3 is a schematic step flow diagram of a monitoring method according to another embodiment provided herein;

FIG. 4 is a schematic step flow diagram of a monitoring method of a further embodiment provided herein;

the correspondence between the reference numerals and the component names in fig. 1 and 2 is:

1 sleeve pipe, 2 mounting, 3 probe, 4 base, 5 vibration monitor, 6 detection holes.

Detailed Description

In order to better understand the technical solutions described above, the technical solutions of the embodiments of the present application are described in detail below through the accompanying drawings and the specific embodiments, and it should be understood that the embodiments of the present application and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of the present application, and not limit the technical solutions of the present application, and the embodiments of the present application and the technical features in the embodiments of the present application may be combined with each other without conflict.

As shown in fig. 1 and 2, according to a first aspect of an embodiment of the present application, there is provided a pipe monitoring device, including: the pipe sleeve assembly is used for penetrating through the pipe wall of the pipe to be tested, so that one end of the pipe sleeve assembly is positioned inside the pipe to be tested; the probe 3, the detection end of the probe 3 is set up in the pipe sleeve assembly; vibration monitor 5, vibration monitor 5 is connected to probe 3.

The hoisting device for heat treatment provided by the embodiment of the application comprises a pipe sleeve assembly, a probe 3 and a vibration monitor 5, wherein the pipe sleeve assembly is used for penetrating through the pipe wall of a pipeline to be detected, so that one end of the pipe sleeve assembly is positioned inside the pipeline to be detected, the detection end of the probe 3 is arranged in the pipe sleeve assembly, the vibration monitor 5 is connected with the probe 3, the pipe sleeve assembly is usually arranged at the upper part of an industrial steam horizontal pipeline, when corrosion products in the pipeline, caused by steam, high-temperature high-pressure corrosion and the like, collide with the pipe sleeve assembly, the pipe sleeve assembly can transmit vibration to the probe 3 fixed in the pipe sleeve assembly, the probe 3 transmits vibration to the vibration monitor 5, the vibration monitor 5 records and uploads data, and the quality, quantity and speed of particles are related due to the vibration of the pipe sleeve assembly, therefore, when the pipeline to be detected is required to be detected, the gas-solid two-phase vibration monitoring of the pipeline to be detected, the data in the vibration monitor 5 can be led out, and the concentration and/or the quality distribution of solid particles in the pipeline to be detected can be determined according to the vibration record data, the concentration and/or the quality distribution of the solid particles in the pipeline to be detected can be directly fixed on the pipe wall of the industrial steam horizontal pipeline, the pipe can be detected, compared with the method of accurately judging that the temperature of the pipeline is required to be reduced by the temperature-down by the solid-phase monitoring device, meanwhile, when the monitoring method using the wedge-shaped probe needs to be used for temporarily perforating the steam pipeline during comparison, the operation of the embodiment of the application is simpler and faster.

As shown in fig. 1 and 2, in some examples, the pipe-in-pipe assembly includes: the casing 1 is used for penetrating through the pipe wall of the pipe to be tested; a detection hole 6 which is formed in the sleeve 1 and is provided along the length direction of the sleeve 1; the fixing piece 2, the fixing piece 2 sets up in detection hole 6, is located the one end that sleeve pipe 1 stretched into the pipeline that awaits measuring, and fixing piece 2 is connected with probe 3.

In this technical scheme, sleeve pipe 1 is wedge-shaped generally, and the casing as the device holistic is fixed on the pipe wall of pipeline that awaits measuring, and mounting 2 sets up in detection hole 6 and connect sleeve pipe 1 in probe 3, and probe 3 other positions are unsettled in detection hole 6, and mounting 2 and detection hole 6's setting lets probe 3 both produce to be connected with sleeve pipe 1, can conduct sleeve pipe 1's vibration, can leave sufficient room for probe 3 vibration again, can fully conduct vibration.

As shown in fig. 1 and 2, in some examples, the mount 2 is threadably connected to the sleeve 1 through a detection hole 6.

In this technical scheme, because sleeve pipe 1 fixed connection is on the pipeline that awaits measuring, be difficult to remove and maintain, adopt threaded connection's connected mode to realize the detachable connection between sleeve pipe 1 and the mounting 2, in case mounting 2 and probe 3 are problematic in the use, can screw out mounting 2 from sleeve pipe 1, be convenient for maintain or change mounting 2 and probe 3, because the structure of probe 3 is comparatively fragile, this kind of detachable connected mode can effectively improve the life of this application embodiment.

As shown in fig. 1 and 2, in some examples, the pipeline monitoring apparatus further comprises: the base 4, base 4 set up in the probe 3 one end that is kept away from in mounting 2, and base 4 is connected with vibration monitor 5.

In this technical scheme, because the overall structure of probe 3 is comparatively slim, hardly fix vibration monitor 5 directly on probe 3, consequently add base 4, connect probe 3 and vibration monitor 5, increase this vibration detection device overall structure's stability.

As shown in fig. 1 and 2, in some examples, the side of the fixture 2 that is adjacent to the outside of the pipe under test is provided with an unlocking hole.

In this technical scheme, because mounting 2 goes deep into inside the detection hole 6, inconvenient direct rotation is carried out to it when operating personnel changes, and probe 3 structure is comparatively slim, if twist the probe and fix, then very easily cause probe 3 to damage, increase the loss rate of device, consequently add the unlocking hole on mounting 2, when need carry out the operation of unscrewing or screw in to mounting 2, can use corresponding instrument to directly operate mounting 2.

It is understood that the unlocking hole may be in a regular hexagon, a regular triangle or the like, and the specific shape of the unlocking hole is not limited in this application.

As shown in fig. 1 and 2, in some examples, the vibration monitor 5 is removably coupled to the base.

In this technical scheme, vibration monitor 5 adopts detachable connection with base 4, when can guaranteeing that probe 3 or vibration monitor 5 damage one of them, can singly change the part of damage and need not whole change, reduced the loss of this application embodiment in specific use, practiced thrift manufacturing cost.

It should be understood that the connection manner between the vibration monitor 5 and the base 4 may be a snap-fit connection or a bolt connection, and the specific connection manner between the vibration monitor 5 and the base 4 is not limited in this application.

As shown in fig. 1 and 2, in some examples, the outer wall of the end of the pipe sleeve assembly that extends into the interior of the pipe under test is provided with a vibrating reed.

In the technical scheme, the vibration reed is additionally arranged on the outer wall of the pipe sleeve component, and micro particles possibly exist in solid particles in the gas-solid two-phase flow in the steam pipeline and collide on the pipe sleeve component, so that vibration caused by the vibration does not reach the threshold value of the vibration monitor 5 due to the speed, the quality and the like, and missing detection is caused, so that the reed is additionally arranged, the vibration monitoring range is enlarged, the sensitivity of the device is improved, and the accuracy of monitoring data is improved.

As shown in fig. 1 and 2, in some examples, the pipeline monitoring apparatus further comprises: and the alarm device is electrically connected with the vibration monitor.

In this technical scheme, vibration monitoring device adds alarm device, because the data that vibration monitor 5 uploaded need staff regularly read, judge the inside corrosion situation of steam pipe according to the data again, know the service condition of steam pipe, its response process has certain delay, if the inside condition that appears suddenly worsening of steam pipe, the staff hardly accomplish instant discovery, consequently add alarm device, preset the threshold value to alarm device, make vibration monitor 5's data real-time transmission to alarm device simultaneously, once the vibration amplitude of steam pipe is greater than the default, alarm device directly sends out and gives a warning, the staff of being reminded looks over and maintains steam pipe.

In some examples, the outer surface of the cuff assembly is covered with a protective layer.

The protective layer can be selected from high-temperature-resistant and corrosion-resistant paint, and in the technical scheme, the protective layer can protect the outer surface of the pipe sleeve assembly to a certain extent, so that the corrosion of the pipe sleeve assembly in a high-temperature and high-pressure environment in a pipeline can be reduced, and the service life of the pipe sleeve assembly can be effectively prolonged.

In some examples, the vibrating reed is a plurality of vibrating reeds which are arranged at intervals along the outer surface of the end of the sleeve 1 which is deep into the pipe.

In the use scheme, the vibrating reeds which are arranged at intervals can contact solid particles in most directions, so that omission is reduced, and the monitoring effect of the vibration monitoring device is more accurate.

As shown in fig. 3, a second aspect of the embodiments of the present application provides a monitoring method, which is applied to the pipe monitoring device of any one of the above-mentioned technical solutions, and the vibration monitoring method includes:

step 101: arranging a pipeline monitoring device on a pipeline to be tested; this pipeline monitoring devices direct mount is on the pipeline that awaits measuring, and operating personnel need not to carry out the operation of cooling and depressurization to vibrating steam pipeline when monitoring on the one hand, and has saved the flow of drilling, restoration drilling on the steam pipe wall, very big improvement steam pipeline's monitoring efficiency, on the other hand, the state of this application embodiment control is the normality when steam pipeline operates, and the monitoring result of obtaining is more accurate.

Step 102: a vibration image conducted by the vibration monitor is received.

Step 103: and determining the concentration of solid particles and/or the distribution of the mass of the solid particles in the gas-solid two-phase flow in the pipeline to be detected based on the vibration image.

In the technical scheme, a technician can regularly check the vibration image conducted by the vibration monitor, judge the corrosion condition and corrosion trend inside the steam pipeline through the vibration image, and record the corrosion condition and corrosion trend so as to determine whether corresponding treatment measures such as maintenance and the like are needed to be taken for the steam pipeline.

As shown in fig. 4, in some examples, the monitoring method further comprises:

step 201: the alarm device acquires a vibration image conducted by the vibration monitoring device;

step 202: and generating alarm information when the vibration amplitude is larger than a preset value.

The vibration monitor can only monitor the vibration condition, a specific judging program needs to be executed by technicians, and a certain response time in the middle cannot be used for coping with sudden emergency conditions, so that the monitoring method further comprises an alarm process of an alarm device, and the alarm device monitors data conducted by the vibration monitor in real time, so that the first time alarm can be realized when the emergency condition occurs, and the safety of the utility model is improved.

In the present utility model, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more, unless expressly defined otherwise. The terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; "coupled" may be directly coupled or indirectly coupled through intermediaries. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or units referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model.

In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. Pipeline monitoring device, its characterized in that includes:

the pipe sleeve assembly is used for penetrating through the pipe wall of the pipe to be tested, so that one end of the pipe sleeve assembly is positioned inside the pipe to be tested;

the detection end of the probe is arranged in the pipe sleeve assembly;

and the vibration monitor is connected with the probe.

2. The pipeline monitoring device of claim 1, wherein the pipe-in-pipe assembly comprises:

the sleeve penetrates through the wall of the pipeline to be tested;

a detection hole, in which the detection Kong Kaishe is provided in the sleeve along the longitudinal direction of the sleeve;

the fixing piece is arranged in the detection hole and positioned at one end of the sleeve extending into the pipeline to be detected, and the fixing piece is connected with the probe.

3. The pipeline monitoring device of claim 2, wherein,

the fixing piece is connected with the sleeve through the detection hole in a threaded mode.

4. The pipeline monitoring device of claim 2, further comprising:

the base is arranged at one end of the probe far away from the fixing piece, and the base is connected with the vibration monitor.

5. The pipeline monitoring device of claim 2, wherein,

one surface of the fixing piece, which is close to the outside of the pipeline to be tested, is provided with an unlocking hole.

6. A pipe monitoring device as claimed in claim 4, wherein,

the vibration monitor is detachably connected with the base.

7. The pipeline monitoring device of any one of claims 1 to 5, wherein,

the outer wall of one end of the pipe sleeve assembly extending into the pipeline to be tested is provided with a vibration reed.

8. The pipeline monitoring device of any one of claims 1 to 5, further comprising:

and the alarm device is electrically connected with the vibration monitor.

9. The pipeline monitoring device of claim 1, wherein:

the outer surface of the pipe sleeve assembly is covered with a protective layer.

10. The pipeline monitoring device of claim 7, wherein:

the vibrating reed is a plurality of, vibrating reed is arranged along the surface interval of the inside one end of sleeve pipe deep into pipeline.

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