CN115507243B - Online displacement corrugated pipe compensator applied to high-temperature occasion - Google Patents
Online displacement corrugated pipe compensator applied to high-temperature occasion Download PDFInfo
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- CN115507243B CN115507243B CN202211244917.7A CN202211244917A CN115507243B CN 115507243 B CN115507243 B CN 115507243B CN 202211244917 A CN202211244917 A CN 202211244917A CN 115507243 B CN115507243 B CN 115507243B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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- General Engineering & Computer Science (AREA)
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- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The application discloses an online displacement corrugated pipe compensator applied to high-temperature occasions, which comprises a high-temperature pipeline, a section of corrugated pipe at least arranged on the high-temperature pipeline, a displacement detection assembly and a detection signal receiver, wherein the displacement detection assembly is arranged on the high-temperature pipeline at the side part of the corrugated pipe and at least comprises a detection sensor, and a heat radiating device is correspondingly arranged on the detection sensor. According to the online displacement corrugated pipe compensator provided by the application, the displacement of the corrugated pipe compensator can be detected through the displacement detection assembly, and the heat dissipation device can be used for dissipating heat of the detection sensor of the displacement detection assembly, so that the working temperature of the detection sensor is lower than a preset value, and the detection sensor is effectively prevented from being failed or damaged.
Description
Technical Field
The application relates to the technical field of corrugated pipes, in particular to an online displacement corrugated pipe compensator applied to high-temperature occasions.
Background
The corrugated pipe compensator is used as a common flexible element in pipeline design, mainly plays a role in compensating displacement of a pipeline caused by temperature change, has large temperature difference in high-temperature medium occasions and obvious expansion and contraction of the pipeline, and plays a vital role, so that the corrugated pipe compensator is widely applied in the fields of hot-blast stove pipelines (medium temperature about 1300 ℃) in steel factories or regeneration inclined pipes and flue gas energy recovery systems (medium temperature about 700 ℃) in petrochemical industry and the like. Most of the metal flexible corrugated pipes are of thin-wall structures, belong to weak links of a pipe system, particularly in high-temperature occasions, displacement of the corrugated pipe compensator element at the position is monitored on line, and the necessity of knowing whether the corrugated pipe compensator works normally or not in time under high-temperature working conditions is very high.
The displacement is used as an important characteristic parameter of the corrugated pipe compensator, the necessity of informationized extraction is provided, and the monitoring of the displacement parameter can not only judge the stability of the corrugated pipe compensator, but also monitor the running state of the compensator. In addition, the big data analysis and mathematical modeling relation between the displacement data and the compensator fatigue are of great significance to the prediction and risk assessment of the residual fatigue life of the corrugated pipe compensator. The application discloses a corrugated pipe compensator for online displacement monitoring and a method for online displacement monitoring, which are disclosed in the application publication No. CN113048318A, publication No. 2021, no. 6 and No. 29, and comprise a right-end connecting pipe, a corrugated pipe, a left-end connecting pipe, laser displacement sensors, sensor position adjusting supports and positioning plates, wherein the right-end connecting pipe and the left-end connecting pipe are respectively connected to two sides of the corrugated pipe, at least two sensor position adjusting supports are circumferentially fixed on the outer wall of the left-end connecting pipe, at least one sensor position adjusting support is circumferentially fixed on the outer wall of the right-end connecting pipe, one sensor position adjusting support is respectively arranged on the left-end connecting pipe and the right-end connecting pipe in an aligned manner, the sensor position adjusting supports arranged on the left-end connecting pipe in an aligned manner with the same side are circumferentially staggered for a certain angle, the laser displacement sensors are respectively arranged on each sensor position adjusting support, and the positioning plates are respectively arranged corresponding to the laser emitting directions of each laser displacement sensor. According to the device, the displacement of the corrugated pipe compensator is measured by the laser sensor, so that the non-contact remote measurement is realized, and the axial and transverse displacement values of the compensator can be obtained quickly.
In the prior art, high-temperature devices and pipelines in industries such as petrifaction, steel and the like are arranged in an overhead mode (outdoor open air), the arrangement position of a corrugated pipe compensator and the design correlation of a pipeline are large, therefore, a wireless displacement sensor is often adopted to realize displacement monitoring of the high-temperature pipeline, the installation and arrangement are convenient, the on-site power supply setting is not needed, and the potential safety hazard of wiring is reduced.
Disclosure of Invention
The application aims to provide an online displacement corrugated pipe compensator applied to high-temperature occasions, so as to solve the defects in the prior art.
In order to achieve the above object, the present application provides the following technical solutions:
the utility model provides an be applied to online displacement bellows compensator of high temperature occasion, includes high temperature pipeline and sets up at least one section bellows on the high temperature pipeline, still includes displacement detection subassembly and detection signal acceptor, displacement detection subassembly sets up on the high temperature pipeline of bellows lateral part, displacement detection subassembly includes at least one detection sensor, the last heat abstractor that corresponds that is provided with of detection sensor.
The online displacement corrugated pipe compensator further comprises a mounting piece, wherein the mounting piece is fixedly arranged on the high-temperature pipeline, a fixing piece for fixing the detection sensor is arranged on the mounting piece, and a heat dissipation structure is arranged on the fixing piece.
According to the online displacement corrugated pipe compensator, the heat radiating device comprises the heat energy fan fixedly arranged on the high-temperature pipeline, and the air outlet end of the heat energy fan is correspondingly arranged with the detection sensor.
The online displacement corrugated pipe compensator further comprises a temperature detection piece, wherein the temperature detection piece is arranged corresponding to the detection sensor and is used for detecting the working temperature of the detection sensor.
The online displacement corrugated pipe compensator further comprises a water tank, wherein an installation cavity for installing the detection sensor is formed in the water tank, and an opening for the detection head of the detection sensor to extend out is formed in the installation cavity.
According to the online displacement corrugated pipe compensator, the annular water storage cavity surrounding the detection sensor is arranged in the water tank, and the water inlet structure and the water outlet structure which are communicated with the annular water storage cavity are arranged on the water tank.
In the above-mentioned online displacement bellows compensator, the heat dissipating device includes a mirror plate disposed between the detection sensor and the high-temperature pipe, and configured to reflect heat radiation on the surface of the high-temperature pipe.
The online displacement corrugated pipe compensator comprises a first detection part and a second detection part, wherein the first detection part and the second detection part are respectively arranged on the high-temperature pipelines at two ends of the corrugated pipe, the first detection part and the second detection part are installed along one bus of the rotary outer wall of the corrugated pipe in the same direction, and at least one of the first detection part and the second detection part is the detection sensor.
In the above-mentioned online displacement bellows compensator, the first detection member is a detection sensor, the detection sensor is a displacement detection sensor, and the second detection member is a reflection member which is arranged corresponding to the displacement detection sensor.
According to the online displacement corrugated pipe compensator, the first detection piece and the second detection piece are detection sensors, and the detection sensors are wireless inclination sensors.
In the technical scheme, the application provides the online displacement corrugated pipe compensator applied to the high-temperature occasion, which comprises the displacement detection assembly and the detection signal receiver, wherein the displacement of the corrugated pipe compensator can be detected through the displacement detection assembly, and the heat dissipation device can dissipate heat of the detection sensor of the displacement detection assembly, so that the working temperature of the detection sensor is lower than a preset value, and the detection sensor is effectively prevented from being failed or damaged.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present application, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
FIG. 1 is a schematic structural diagram of an online displacement bellows compensator applied to a high temperature occasion according to an embodiment of the present application;
fig. 2 is a perspective view of a heat dissipating device according to an embodiment of the present application;
fig. 3 is a front view of a heat dissipating device according to an embodiment of the present application;
fig. 4 is a left side view of a heat dissipating device according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an online displacement bellows compensator for high temperature applications according to another embodiment of the present application;
FIG. 6 is an enlarged view of FIG. 5A according to another embodiment of the present application;
FIG. 7 is a schematic diagram of an on-line displacement bellows compensator for high temperature applications according to another embodiment of the present application;
FIG. 8 is a top view of an on-line displacement bellows compensator for high temperature applications according to yet another embodiment of the present application;
FIG. 9 is a front view of an on-line displacement bellows compensator for high temperature applications according to yet another embodiment of the present application;
FIG. 10 is a front view of a self-adjusting assembly according to yet another embodiment of the present application;
FIG. 11 is a schematic structural view of a heat dissipation fixing member of a sensor according to another embodiment of the present application;
FIG. 12 is a second schematic view of a sensor heat dissipation device according to another embodiment of the present application;
fig. 13 is a perspective view of a heat dissipating device according to another embodiment of the present application;
fig. 14 is a front view of a heat dissipating device according to another embodiment of the present application; .
Reference numerals:
1. a high temperature pipeline; 1.1, left pipeline; 1.2, right pipeline; 1.3, mounting; 1.4, a fixing piece; 2. a bellows; 3. a displacement detection assembly; 3.1, detecting a sensor; 3.2, a displacement detection sensor; 3.3, a wireless inclination angle sensor; 3.4, a reflecting member; 3.5, reflecting plate; 3.6, a first reflecting prism group; 3.7, a second reflecting prism group; 4. a heat sink; 4.1, a water tank suspension supporting device; 4.2, a water tank; 4.3, mirror panels; 4.4, a handle; 4.5, an adjustable limit bolt; 4.6, a clamping groove; 4.7, a water outlet structure; 5. a thermal fan; 5.1, a fan suspension device; 5.2, a fan supporting plate; 5.3, a fan base; 6. a detection signal receiver; 7. the sensor heat dissipation fixing piece; 7.1, radiating pipes; 7.2, mirror cooling fins; 7.3, a heat insulation base; 7.4, supporting rib plates; 8. a temperature detecting member; 9. a hinge plate assembly; 9.1, a main hinge plate; 9.2, an auxiliary hinge plate; 9.3, a pin shaft; 10. an automatic adjustment assembly; 10.1, a sliding seat; 10.2, sliding inclined plane; 10.3, driving the inclined plane; 10.4, sliding bar.
Detailed Description
In order to make the technical scheme of the present application better understood by those skilled in the art, the present application will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-14, an embodiment of the present application provides an online displacement bellows compensator applied to high temperature occasions, which includes a high temperature pipeline 1, at least one section of bellows 2 disposed on the high temperature pipeline 1, a displacement detection assembly 3 and a detection signal receiver 6, the displacement detection assembly 3 is disposed on the high temperature pipeline 1 at a side portion of the bellows 2, the displacement detection assembly 3 includes at least one detection sensor 3.1, and a heat dissipation device 4 is correspondingly disposed on the detection sensor 3.1.
Specifically, the high-temperature pipeline 1 refers to a pipeline for conveying a high-temperature medium such as a medium with a temperature exceeding 500 ℃, the high-temperature pipeline 1 comprises pipeline bodies and a corrugated pipe 2 used for connecting the two pipeline bodies, the high-temperature pipeline 1 on two sides of the corrugated pipe 2 is respectively referred to as a left pipeline 1.1 and a right pipeline 1.2 for convenience of description, when the corrugated pipe 2 is installed, the high-temperature pipeline 1 can be compensated in an axial direction, a transverse direction and an angular direction through expansion and bending, when the corrugated pipe 2 is used, the displacement detection assembly 3 is used for detecting the displacement of the corrugated pipe 2 and conveying detected information into the detection signal receiver 6, the detection signal receiver 6 collects displacement data of the corrugated pipe 2 and correspondingly displays or early warns, and the displacement detection assembly 3 and the detection signal receiver 6 can realize data transmission through wireless communication technologies such as NB-I OT and GSM.
In this embodiment, the displacement detecting component 3 may be a detecting sensor, and detects displacement data of the expansion joint of the bellows 2 through the detecting sensor, and transmits the detection data to the detecting signal receiver 6 to realize displacement on-line detection, the displacement detecting component 3 may also be two detecting sensors which are oppositely arranged, and the two detecting sensors are respectively arranged on the left pipeline 1.1 and the right pipeline 1.2 on two opposite sides of the bellows 2, and can detect displacement of the bellows 2 through the two detecting sensors, and transmit the detection data to the detecting signal receiver 6 to realize displacement on-line detection, and the displacement detecting component 3 may also be three detecting sensors in the prior art, so as to detect axial displacement and transverse displacement of the bellows 2.
In this embodiment, because the temperature is extremely high, in order to solve the problem that the detection inductor cannot detect the bellows 2 on the high-temperature pipeline 1, the detection inductor is correspondingly provided with the heat dissipating device 4, the heat dissipating device 4 may be directly connected with the detection inductor, for example, the installation box or the water tank 4.2 with a heat dissipating effect is provided, the detection inductor is arranged in the installation box or the water tank 4.2, so that the detection inductor therein can be dissipated through the installation box or the water tank 4.2, the heat dissipating device 4 may not be connected with the detection inductor, for example, the heat dissipating device 4 is provided with a heat dissipating fan on one side of the detection inductor, and blows air to the detection inductor through the heat dissipating fan, thereby accelerating the air flow, realizing the heat dissipating effect on the detection inductor, the heat dissipating device 4 may further comprise a heat dissipating fin, a heat dissipating hole, a heat insulating component arranged between the detection inductor and the high-temperature pipeline 1, and the heat insulating component may block the heat transfer to reduce the temperature of the detection inductor, and the heat dissipating device 4 in this embodiment may be of the above structure, or a combination of structures, thereby improving the heat dissipating effect on the detection inductor, so that the detection inductor can be detected by the heat dissipating effect.
The online displacement corrugated pipe compensator applied to the high-temperature occasion comprises the displacement detection assembly 3 and the detection signal receiver 6, displacement of the corrugated pipe compensator can be detected through the displacement detection assembly 3, and the heat dissipation device 4 can dissipate heat of the detection sensor 3.1 of the displacement detection assembly 3, so that the working temperature of the detection sensor 3.1 is lower than a preset value, and faults or damages of the detection sensor 3.1 are effectively avoided.
Fig. 1-4 show an embodiment provided by the application, the displacement detection assembly 3 comprises a detection sensor 3.1, the detection sensor 3.1 can be a wireless infrared displacement detection sensor 3.2, a wireless laser displacement sensor or a wireless ultrasonic displacement sensor, and the like, a mounting assembly for mounting the detection sensor 3.1 is arranged on a high-temperature pipeline, the mounting assembly comprises a mounting piece 1.3 and a fixing piece 1.4, the mounting piece 1.3 is fixedly arranged on the high-temperature pipeline 1, the fixing piece 1.4 is fixedly arranged on the mounting piece 1.3, the detection sensor 3.1 is mounted on the fixing piece 1.4, the mounting piece 1.3 comprises a mounting seat fixedly arranged on the high-temperature pipeline 1, the mounting seat is made of a heat insulation material, the mounting piece 1.3 can be arranged on the left pipeline 1.1 or the right pipeline 1.2, preferably, when a high-temperature medium flows from the left pipeline 1.1 and the corrugated pipeline 2 to the right pipeline 1.2, the mounting piece 1.3 is arranged on the right pipeline 1.2, the heat dissipation device is fixedly arranged on the high-temperature pipeline 1.3 along the heat dissipation pipeline 1.4, the heat dissipation device can be fixedly arranged on the heat dissipation device 1.4, and the heat dissipation device can be fixedly arranged on the heat dissipation device 1.1.4, and the signal can be fixedly arranged on the heat dissipation device is fixedly arranged on the left pipeline 1.1.1 or the left pipeline 1.4, and the heat dissipation device is fixedly arranged on the heat dissipation device, and can be fixedly arranged on the heat dissipation device, and is in parallel to the heat dissipation device, and the heat dissipation device is fixedly arranged, and can be connected with the heat dissipation device, and can be installed, and can be connected to the heat input, and is fixedly, and can be connected.
In one embodiment of the present application, as shown in fig. 2, 3, 12 and 13, preferably, the heat dissipating device 4 includes a heat energy fan 5, a driving unit of the heat energy fan 5 is connected with the left pipeline 1.1 or the right pipeline 1.2 to drive the heat energy fan 5 at a high temperature of the pipeline, an air outlet unit of the heat energy fan 5 is correspondingly arranged with the detection sensor 3.1, the heat energy fan 5 is a fireplace fan in the prior art, heat on the high temperature pipeline 1 is utilized to drive fan blades, the fan blades on the heat energy fan 5 can dissipate heat of the detection sensor 3.1, the fan blades on the heat energy fan 5 are correspondingly arranged with the detection sensor 3.1, so that the heat energy fan 5 can blow air to the detection sensor 3.1, air flow is accelerated to promote the heat dissipating effect of the detection sensor 3.1, a fan suspension device 5.1 is integrally arranged on the mounting piece 1.3, a mounting clamping groove 4.6 corresponding to a base of the heat energy fan 5 is arranged on the fan support plate 5.2, and the heat energy fan 5 can be fixedly arranged in the base of the heat energy fan 5 along the direction of the heat energy fan 5, and the heat energy can be adjusted along the direction of the base of the heat energy fan 5.
In one embodiment of the present application, preferably, the fixing member 1.4 is further provided with a temperature detecting member 8, which is disposed corresponding to the detecting sensor 3.1 and is used for detecting the temperature of the working environment of the detecting sensor 3.1, the temperature detecting member 8 may be mounted on the fixing member 1.4 in a magnetic attraction manner, or may be fixedly mounted on the fixing member 1.4 in a screw manner or the like, the temperature detecting member 8 may be a thermometer or a temperature sensor, the working temperature of the detecting sensor 3.1 may be detected by the temperature detecting member 8, and the detected information may be transmitted to the detecting signal receiver 6, and the detecting signal receiver 6 may collect and display the detected temperature of the temperature detecting member 8 correspondingly, and when the working temperature of the detecting sensor 3.1 exceeds a preset value, may correspondingly perform early warning or control operation to protect the detecting sensor 3.1.
In one embodiment provided by the application, preferably, the heat dissipating device 4 comprises a water tank 4.2, wherein a mounting cavity for mounting the detection sensor 3.1 is arranged in the water tank 4.2, an opening for extending out a detection head of the detection sensor 3.1 is arranged on the mounting cavity, an annular water storage cavity surrounding the detection sensor 3.1 is arranged in the water tank 4.2, the annular inner side of the annular water storage cavity is the mounting cavity, and a water inlet structure and a water outlet structure 4.7 which are communicated with the annular water storage cavity are arranged on the water tank 4.2; the water tank 4.2 is fixedly arranged on the fixing piece 1.4, the water tank 4.2 is fixedly connected with the fixing piece 1.4 through an adjustable limit bolt 4.5, a water tank suspension supporting device 4.1 for installing the water tank can be arranged on the fixing piece, the water tank 4.2 is provided with a handle 4.4 for facilitating the installation and movement of the water tank 4.2, an installation cavity is formed in the water tank 4.2, the size of the installation cavity corresponds to the size of the detection sensor 3.1, the detection sensor 3.1 can be arranged in the installation cavity, an opening is used for transmitting and/or receiving detection signals by the detection head of the detection sensor 3.1, the water tank 4.2 can be in a shape like a Chinese character 'hui', the water tank 4.2 surrounds the periphery of the detection sensor 3.1, the water tank 4.2 can also be in a structure with a U-shaped section, the detection sensor 3.1 is arranged in the installation cavity formed by the water tank 4.2, the inside of the water tank 4.2 forms an annular water storage cavity, the water tank 4.2 is provided with a water inlet structure and a water outlet structure 4.7 which are communicated with the annular water storage cavity, the water inlet structure is used for conveying water into the water tank 4.2, the water inlet structure is provided with a water inlet valve for controlling the water inlet structure to open or close, the water outlet structure 4.7 is used for discharging water in the water tank 4.2, the water outlet structure 4.7 is provided with a water outlet valve for controlling the water outlet structure to open or close, when in use, cooling water can be input into the water tank 4.2, the water tank 4.2 surrounds the detection sensor 3.1, the water in the water tank 4.2 can cool down the detection sensor 3.1 through water in the water tank 4.2, meanwhile, a water circulation device can be arranged, the water inlet structure and the water outlet structure 4.7 of the water tank 4.2 are connected with the water circulation device, a plurality of annular water channels which are sequentially communicated are arranged in the annular water storage cavity, when the temperature detection piece 8 detects that the working temperature of the detection sensor 3.1 exceeds a preset value, a rapid reduction of the operating temperature of the detection sensor 3.1 can be achieved.
In one embodiment provided by the application, preferably, the heat dissipating device 4 further comprises a reflecting mirror panel 4.3 arranged between the detection sensor 3.1 and the high-temperature pipeline 1, and arranged parallel to the axial section of the high-temperature pipeline 1, and used for reflecting the heat radiation of the surface of the high-temperature pipeline 1; the mounting structure for mounting the reflector panel 4.3 is arranged on the water tank 4.2 or the fixing piece 1.4, the reflector panel 4.3 is detachably mounted on the mounting structure, the heat radiation of the high-temperature pipeline 1 can be reflected through the reflector panel 4.3, and the number of the reflector panels 4.3 can be set according to the requirement.
In one embodiment of the present application, when the displacement detection assembly 3 is used for performing online displacement detection on the bellows compensator, the following steps are performed:
first, fixing the mount 1.3 and the fan suspension 5.1 to the high temperature pipe 1 (left pipe 1.1 or right pipe 1.2);
and secondly, closing a water outlet structure 4.7 of the water tank 4.2, injecting water to the water tank 4.2 to a designated water level through the water inlet structure, and installing and fixing the water tank 4.2 on the fixing piece 1.4 through the adjustable limit bolt 4.5.
Third, the mirror reflection plate 3.5 is installed, the fan support plate 5.2 is installed on the fan suspension device 5.1, the thermal fan 5 is installed, and the thermal fan is adjusted to a proper position.
Fourth, under the condition that the medium is not passed through the high-temperature pipeline, a detection sensor 3.1 is installed in the installation cavity of the water tank 4.2 through the magnetic attraction base, the detection sensor 3.1 is calibrated and debugged, the numerical value LO for recording the numerical value of the initial position of the expansion joint of the corrugated pipe 2 is measured, the detection sensor 3.1 is removed and removed, and the LO represents the distance between the detection sensor 3.1 and the expansion joint of the corrugated pipe 2 (the first expansion joint of one side of the corrugated pipe 2 close to the detection sensor 3.1).
Fifthly, starting the system, introducing a high-temperature medium into a pipeline, waiting for the bottom of the fan to be subjected to heat radiation rotation operation, observing the numerical value of a temperature detection piece 8 on the water tank 4.2 after the pipe system is stably operated, and confirming that a wireless infrared/ultrasonic displacement sensor 5 is installed in a square groove of the water tank 4.2 through a magnetic attraction base within the normal working temperature range of the detection sensor 3.1;
step six, starting a wireless infrared/ultrasonic displacement sensor 5, recording a displacement value L, and transmitting data to a detection signal receiver 6 in real time;
when the following conditions are presented, deltaL= |L0-L| > L ]
Wherein, L delta is the displacement value of the corrugated pipe compensator at high temperature, L is the allowable design axial displacement value of the corrugated pipe 2; at this time, the detection signal receiver 6 alarms to remind the field personnel to take relevant measures.
Fig. 5-8 illustrate another embodiment provided by the present application, which differs from the previous embodiment in that: the displacement detection assembly 3 comprises a first detection part and a second detection part, the first detection part and the second detection part are respectively arranged on the high-temperature pipeline 1 at two ends of the corrugated pipe 2 (on the left pipeline 1.1 and the right pipeline 1.2), the first detection part and the second detection part are installed along one bus of the rotary outer wall of the corrugated pipe 2 in the same direction, the first detection part is a detection sensor 3.1, the detection sensor 3.1 is a displacement detection sensor 3.2, the second detection part is a reflection part 3.4 which is correspondingly arranged with the displacement detection sensor 3.2, the displacement detection sensor 3.2 can be a wireless infrared displacement detection sensor 3.2, a wireless laser displacement sensor or a wireless ultrasonic displacement sensor and the like, and is used for detecting the axial displacement of the corrugated pipe compensator, the displacement detection sensor 3.2 is connected with a heat dissipation device 4, and the structure of the heat dissipation device 4 is the same as that of the first embodiment, and because the displacement detection sensor 3.2 and the reflection part 3.4 are respectively arranged on the left pipeline 1.1 and the right pipeline 1.2 at two opposite sides of the corrugated pipe 2, the displacement detection section is an accurate and the displacement detection section 2 is the displacement detection section 2.
In another embodiment provided by the application, preferably, the reflecting piece 3.4 comprises a mounting bracket and a reflecting plate 3.5, the reflecting plate 3.5 can be fixedly mounted on the high-temperature pipeline 1 through the mounting bracket, when high-temperature medium flows from the left pipeline 1.1 and the corrugated pipe 2 to the right pipeline 1.2, the displacement detection sensor 3.2 is arranged on the right pipeline 1.2, the reflecting piece 3.4 is arranged on the left pipeline 1.1, conversely, when the high-temperature medium flows from the left pipeline 1.1 from the left pipeline and the corrugated pipe 2, the displacement detection sensor 3.2 is arranged on the left pipeline 1.1, the reflecting piece 3.4 is arranged on the right pipeline 1.2, after the reflecting plate 3.5 is mounted, the center point of the reflecting plate 3.5 and the center point of the displacement detection sensor 3.2 are positioned on the same straight line (parallel to the axis direction of the corrugated pipe 2), the reflecting plate 3.5 is perpendicular to the axis direction of the corrugated pipe 2, and the reflecting plate 3.5 receives the detection signal sent by the displacement detection sensor 3.2, and the displacement detection signal is carried out by the reflecting plate 3.5 to detect the displacement sensor 3.2.
In another embodiment provided by the application, preferably, the displacement detection sensor 3.2 comprises a signal emission structure and a signal receiving structure, when detecting, the signal emission structure emits a detection signal, the detection signal is reflected by the reflecting piece 3.4 and then is transmitted to the signal receiving structure, in the process, when the displacement of the corrugated pipe 2 is L1, the path of the detection signal is changed to 2L1, in order to improve the detection precision, a first reflecting prism group 3.6 can be arranged between the signal emission structure and the signal receiving structure, and a second reflecting prism group 3.7 is correspondingly arranged on the reflecting piece 3.4, so that the signal emission structure emits the detection signal to detect according to the following path: the device comprises a signal transmitting structure, a second reflecting prism group 3.7, a first reflecting prism group 3.6, a second reflecting prism group 3.7 and a signal receiving structure; at this time, when the displacement of the bellows 2 is L1, the distance of the detection signal is changed to 4L1, which can improve the accuracy of displacement detection, and the number of the emission prisms on the first reflection prism group 3.6 and the second reflection prism group 3.7 can be adjusted as required, so that the distance of the detection signal is increased to 6L1, 8L1, and so on, thereby improving the detection accuracy.
In another embodiment of the present application, when the displacement detection assembly 3 is used for performing online displacement detection on the bellows compensator, the following steps are performed:
firstly, respectively installing a reflector and an installation piece 1.3 on high-temperature pipelines 1 (a left pipeline 1.1 and a right pipeline 1.2) on two opposite sides of a corrugated pipe 2, and connecting a fixing piece 1.4 with the installation piece 1.3;
secondly, fixing a fan suspension device 5.1 on the high-temperature pipeline 1, mounting a fan support plate 5.2 on the fan suspension device 5.1, mounting a heat energy fan 5, and adjusting to a proper position;
thirdly, closing a water outlet structure 4.7 of the water tank 4.2, injecting water to the water tank 4.2 to a designated water level through the water inlet structure, installing and fixing the water tank 4.2 on the fixed plate 10.4 through the adjustable limit bolt 4.5, and installing the mirror reflection plate 3.5;
fourthly, under the condition that a medium is not passed through a pipeline, a detection sensor 3.1 is installed in an installation cavity of the water tank 4.2 through a magnetic suction base, the displacement detection sensor 3.2 is calibrated and debugged, the numerical value L0 of the corrugated pipe compensator in an initial state is measured and recorded, the displacement detection sensor 3.2 is removed, and L0 is the distance between the reflecting piece 3.4 and the displacement detection sensor 3.2 in the initial state;
fifthly, starting the system, introducing a high-temperature medium into a pipeline, waiting for the bottom of the fan to be subjected to heat radiation rotation, observing the numerical value of a temperature detection piece 8 on the water tank 4.2 after the pipe system stably works, and confirming that the displacement detection sensor 3.2 is displaced in a square groove of the water tank 4.2 through a magnetic base within the normal working temperature range of the displacement detection sensor 3.2;
step six, starting a displacement detection sensor 3.2, recording the numerical value L of a corrugated pipe compensator, wherein L is the distance between the reflecting piece 3.4 and the displacement detection sensor 3.2 at high temperature, and transmitting data to a detection signal receiver 6 in real time;
when the following condition that DeltaL= |L0-L| > L occurs, wherein L delta is a displacement value of the corrugated pipe compensator at high temperature, L is a permitted design axial displacement value of the corrugated pipe 2, the detection signal receiver 6 alarms at the moment, the displacement of the corrugated pipe compensator exceeds a preset axial displacement permitted range, field personnel is reminded to take relevant measures, and when the displacement of the corrugated pipe 2 is detected, the temperature detection piece 8 detects the working temperature of the displacement detection sensor 3.2 and transmits the working temperature to the detection signal receiver 6.
Fig. 5-7 show a further embodiment of the present application, where the displacement detection assembly 3 includes a first detection member and a second detection member, the first detection member and the second detection member are respectively disposed on the high-temperature pipeline 1 (on the left pipeline 1.1 and the right pipeline 1.2) at two ends of the bellows 2, the first detection member and the second detection member are installed along one bus of the rotating outer wall of the bellows 2 in the same direction, the first detection member and the second detection member are both wireless inclination sensors 3.3, the wireless inclination sensors 3.3 are connected with a heat dissipation device 4, the wireless inclination sensors 3.3 may be dual-axis wireless inclination sensors 3.3, preferably, the wireless inclination sensors 3.3 are tri-axis wireless inclination sensors 3.3, and the two wireless inclination sensors 3.3 are installed along one bus of the rotating outer wall of the bellows 2 in the same direction, respectively collect time sequence information of tri-axis inclination angle changes of the left pipeline 1.1 and the right pipeline 1.2 with respect to the XYZ three-dimensional coordinate system when the pipeline system is running, and send the time sequence information to the platform receiver 6.
In still another embodiment provided by the application, preferably, the mounting pieces 1.3 are arranged on the left pipeline 1.1 and the right pipeline 1.2, the mounting pieces 1.3 can be a mounting seat fixedly arranged on the high-temperature pipeline 1, a hinge plate component 9 is arranged between the mounting pieces 1.3 on the left pipeline 1.1 and the mounting pieces 1.3 on the right pipeline 1.2, so that two detection mechanisms are directly connected through a physical structure, the hinge plate component 9 comprises a main hinge plate 9.1 and an auxiliary hinge plate 9.2, the main hinge plate 9.1 and the auxiliary hinge plate 9.2 are connected through a pin shaft 9.3, a left pipe body and a right pipe body at two ends of the corrugated pipe 2 can rotate around the pin shaft 9.3, the hinge plate component 9 can be one group or two groups, when the hinge plate component 9 is in two groups, the two groups of hinge plate components 9 are symmetrically distributed along the circumferential direction of the corrugated pipe 2, the larger angle can be compensated, each wireless inclination sensor 3.3 is fixedly connected with the main hinge plate 7.1 and the main hinge plate 7 through a physical structure, the heat radiation fin 7 or the auxiliary hinge plate 7.1.7 is fixedly arranged on the base, the heat radiation base 7 is fixedly connected with the main hinge plate 7.7.7 or the heat radiation fin 1.7, the heat radiation fin is fixedly arranged on the base 7.7, the heat radiation base 7 is fixedly connected with the heat radiation fin 1.7.7, the heat radiation fin is fixedly arranged on the base 7.7, the heat radiation base 7 is fixedly connected with the heat radiation fin 7.7.7, the heat radiation base 7 is fixedly connected with the heat radiation sensor 7, and heat radiation base 7, and heat radiation effect is heat insulation effect is improved, and heat insulation effect can be improved, and heat insulation effect, and can be improved, and can heat radiation effect. The mirror surface cooling fin 7.2 is fixedly arranged on the cooling tube 7.1 and is parallel to the main hinge plate 9.1 or the auxiliary hinge plate 9.2, and the mirror surface cooling fin 7.2 can be used for reflecting heat radiation from the surface of a pipeline and can be matched with the heat energy fan 5 to effectively dissipate heat.
In still another embodiment of the present application, preferably, for improving protection of the wireless tilt sensor 3.3, an automatic adjusting assembly 10 is disposed between the main hinge plate 9.1 and the mounting member 1.3 and between the auxiliary hinge plate 9.2 and the mounting member 1.3, the automatic adjusting assembly 10 includes a sliding seat 10.1, a sliding seat 10.1 is disposed at the bottoms of the main hinge plate 9.1 and the auxiliary hinge plate 9.2, the sliding seat 10.1 and the mounting member 1.3 are connected in a sliding manner through a wedge surface, the two sliding seats 10.1 are connected through the main hinge plate 9.1 and the auxiliary hinge plate 9.2, the distance between the main hinge plate 9.1 and the auxiliary hinge plate 9.1 is limited, so that the sliding seat 10.1 cannot move along the axis direction of the corrugated tube 2, when the corrugated tube 2 is heated to undergo axial displacement, the distance between the mounting member 1.3 and the two mounting members 1.3 is reduced, and the sliding seat 10.1 is not moved along with the tilt sensor 1.3, thereby the temperature sensor is driven by the sliding seat 10.1, and the temperature sensor is not moved along the direction of the sliding seat 3, and the wireless tilt sensor is driven by the sliding seat 1.3, and the temperature sensor is not moved along the direction of the mounting member 1.3, and the wireless tilt sensor is moved along the direction of the corrugated tube 2.
In still another embodiment of the present application, preferably, a sliding inclined plane 10.2 is disposed at the bottom of the sliding seat 10.1, a driving inclined plane 10.3 is disposed at the upper portion of the mounting member, the sliding inclined plane 10.2 is disposed corresponding to the driving inclined plane 10.3, the sliding inclined plane 10.2 can slide along the driving inclined plane 10.3, a sliding bar 10.4 can be disposed on the sliding inclined plane 10.2, a sliding groove is disposed corresponding to the driving inclined plane 10.3, and the sliding bar 10.4 is slidingly restricted in the sliding groove, so that when the bellows 2 is heated to generate axial displacement, the mounting member 1.3 moves along the sliding groove during the movement of the bellows 2, so that the sliding seat 10.1 moves in a direction away from the high temperature pipeline 1.
In this embodiment, it should be additionally noted that the movement of the sliding seat 10.1 limits the detection effect of the displacement detection assembly 3, based on this, the larger interference fit between the main hinge plate 9.1 and the auxiliary hinge plate 9.2 is achieved through the pin shaft 9.3, that is, the radial dimension of the pin shaft 9.3 on the main hinge plate 9.1 is smaller than half of the axial dimension or radial dimension of the pin hole on the auxiliary hinge plate 9.2, for example, the diameter of the pin shaft 9.3 is 2cm, the diameter of the pin hole is 6cm, or the pin hole is a bar-shaped hole extending along the axial direction of the pipe, the length of the pin hole is 6cm, at this time, the radial dimension difference between the pin shaft 9.3 and the pin hole is the maximum detection value of the displacement detection assembly 3, after the remote control system receives the maximum detection value, such as the displacement of 4cm, based on the self-protection function described above, the displacement detection assembly 3 will be far away from the pipe under the movement of the sliding seat 10.1, and the displacement effect larger than the maximum detection value will not be transmitted. This also has the additional advantage that the value of the temperature range at a distance from the circumference of the pipe can be determined in advance by means of limited experiments, for example, when the temperature of the surface of the pipe is 200 degrees, the temperature at a position 20cm away from the pipe is 70 degrees, the upper limit of the working range of the displacement detecting assembly 3 is approached at this moment, and when the temperature inside the pipe is 600 degrees or even higher, the axial deformation of the pipe is the maximum detection value, i.e. when the displacement detecting assembly 3 must be designed to start to be far away from the pipe for self-protection, and the protection of the displacement detecting assembly 3 near the critical point is exactly achieved by means of limited experiments and reasonable size design.
In still another embodiment of the present application, preferably, at least three mirror cooling fins 7.2 are disposed on each sensor cooling fixing member 7, and in an initial state that the sliding seat 10.1 and the mounting member do not slide, the mirror cooling fins 7.2 are disposed parallel to the main hinge plate 9.1 or the auxiliary hinge plate 9.2, when the sliding seat 10.1 slides relatively to the mounting member 1.3, the mirror cooling fins 7.2 are correspondingly driven to rotate, so that the angles formed by the mirror cooling fins 7.2 and the main hinge plate 9.1 or the auxiliary hinge plate 9.2 are different, wherein at least one mirror cooling fin 7.2 is parallel to the main hinge plate 9.1 or the auxiliary hinge plate 9.2, for example, three mirror cooling fins 7.2 close to the left pipe 1.1 and the mirror cooling fin 7.2 are parallel to the main hinge plate 9.1 or the auxiliary hinge plate 9.2, and the other two mirror cooling fins 7.2 are disposed symmetrically with the axis surface of the pipe 7.1 as the axis surface of the three mirror cooling fins, so that the heat radiation effect of the mirror cooling fins can be emitted to the mirror cooling fins are found to be different.
In still another embodiment of the present application, preferably, at least one of the mirror fins 7.2 is fixedly disposed on the heat dissipating tube 7.1, the other mirror fins 7.2 are rotatably connected to the heat dissipating tube 7.1 by a rotating member, a driving rod is connected to the rotating member, the driving rod is disposed inside the heat dissipating tube 7.1, the lower end of the driving rod extends out of the sliding seat 10.1, a movable groove parallel to the sliding groove is disposed on the mounting member 1.3, the inclination angle of the movable groove is different from the inclination angle of the sliding groove, for example, the inclination angle of the sliding groove is 30 degrees, the inclination angle of one movable groove is 25 degrees, the inclination angle of the other movable groove is 35 degrees, three mirror fins 7.2 are disposed in parallel with the main hinge plate 9.1 or the sub hinge plate 9.2 in an initial state where the sliding seat 10.1 and the mounting member do not slide, the gravity blocks at the lower ends of the driving rods on the other two mirror cooling fins 7.2 are respectively and slidably connected in two movable grooves with different inclination angles, when the sliding seat 10.1 and the mounting piece 1.3 slide relatively, the gravity blocks slide along the movable grooves respectively, the gravity blocks can drive the mirror cooling fins 7.2 to move downwards to incline when moving along the movable grooves with the inclination angle of 25 degrees, the gravity blocks can push the mirror cooling fins 7.2 to move upwards to incline when moving along the movable grooves with the inclination angle of 35 degrees, so that the inclination directions of the two mirror cooling fins 7.2 are different, and the effect is that when the sliding seat 10.1 slides, part of the gravity blocks loses the isolation of the mounting piece 1.3, more parts of the gravity blocks are directly exposed above or beside the high-temperature pipeline, and at the moment, more radiation heat of the reflecting side is reflected by rotating the mirror cooling fins 7.2, so that the heat dissipation effect is improved, or, since the power of the thermal fan 5 may be reduced due to the distance, the radiant heat is reflected to the thermal fan 5 by rotating the mirror cooling fin 7.2, the power effect is improved, or both of them can be determined according to the actual requirement.
In still another embodiment of the present application, when the displacement detection assembly 3 is used for performing online displacement detection on the bellows compensator, the following steps are performed:
first, the mounting piece 1.3 and the hinge plate assembly 9 are mounted on the left pipeline 1.1 and the right pipeline 1.2, the sensor heat dissipation fixing piece 7 is mounted on the hinge plate assembly 9, the wireless inclination sensor 3.3 is not mounted, and a high-temperature medium is not introduced into a pipeline system.
In the second step, the fan base 5.3 is installed, the thermal energy fan 5 is installed on the fan base 5.3, the pipeline system starts to be filled with high-temperature medium, and after the temperature of the fan base 5.3 rises, the thermal energy fan 5 is observed to be started.
And thirdly, after the pipe system works stably, observing the numerical value of the temperature detection piece 8 on the heat insulation base 7.3, confirming that the surface temperature of the heat insulation base 7.3 is within the normal working temperature range of the wireless inclination sensor 3.3, and installing the wireless inclination sensor 3.3 on the heat insulation base 7.3.
And fourthly, respectively starting the two wireless inclination sensors 3.3, and transmitting the data to a display platform of the detection signal receiver 6 in real time. When in a working state, the corrugated pipe compensator starts to compensate angular displacement, and reads the readings X1 and X2 of the two wireless inclination sensors 3.3 and the relative angular displacement Xdelta respectively; wherein: relative angular displacement xΔ= |x1-x2|;
when any of the following occurs, { X|X1, X2, X.DELTA } ] > [ X ], wherein the relative angular displacement X.DELTA= |X1-X2|; [ X ] is the allowable design angular displacement value of the bellows 2. At the moment, the remote data display platform alarms, which indicates that the angular displacement of the corrugated pipe compensator exceeds the preset angular displacement allowable range, and reminds field personnel to take relevant measures.
While certain exemplary embodiments of the present application have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the application. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the application, which is defined by the appended claims.
Claims (6)
1. The online displacement corrugated pipe compensator for the high-temperature occasion comprises a high-temperature pipeline and at least one section of corrugated pipe arranged on the high-temperature pipeline, and is characterized by further comprising a displacement detection assembly and a detection signal receiver, wherein the displacement detection assembly is arranged on the high-temperature pipeline at the side part of the corrugated pipe and at least comprises a detection sensor, a heat radiating device is correspondingly arranged on the detection sensor, a mounting piece is fixedly arranged on the high-temperature pipeline, a fixing piece for fixing the detection sensor is arranged on the mounting piece, a heat radiating structure is arranged on the fixing piece, the displacement detection assembly comprises a first detection piece and a second detection piece, the first detection piece and the second detection piece are respectively arranged on the high-temperature pipeline at two ends of the corrugated pipe, the first detection part and the second detection part are installed along the same direction of a bus of the rotary outer wall of the corrugated pipe, at least one of the first detection part and the second detection part is the detection sensor, the first detection part and the second detection part are both detection sensors, the detection sensors are wireless inclination sensors, high-temperature pipelines on two sides of the corrugated pipe are respectively called a left pipeline and a right pipeline, a hinge plate assembly is arranged between an installation part on the left pipeline and an installation part on the right pipeline, the hinge plate assembly comprises a main hinge plate and an auxiliary hinge plate, each wireless inclination sensor is connected with the main hinge plate or the auxiliary hinge plate through a sensor heat dissipation fixing part, each sensor heat dissipation fixing part comprises a support rib plate, a heat dissipation pipe and a heat insulation base, mirror face heat dissipation fins are arranged on each sensor heat dissipation fixing part, the automatic adjusting device comprises a main hinge plate, a mounting piece, an auxiliary hinge plate, an automatic adjusting component, a sliding seat, a sliding groove, at least three mirror cooling fins, a driving inclined surface, a driving groove and a driving groove, wherein the automatic adjusting component is arranged between the main hinge plate and the mounting piece and between the auxiliary hinge plate and the mounting piece, the automatic adjusting component comprises the sliding seat, the sliding inclined surface is arranged at the bottom of the sliding seat, the driving inclined surface is arranged on the upper portion of the mounting piece, the sliding groove is correspondingly arranged on the driving inclined surface, the mirror cooling fins on each sensor cooling fixing piece are at least three, at least one of the mirror cooling fins is fixedly arranged on a cooling pipe, the rest mirror cooling fins are rotationally connected onto the cooling pipe through a rotating piece, a driving rod is connected onto the rotating piece, the driving rod is located inside the cooling pipe, the lower end of the driving rod extends out of the sliding seat, and the movable groove parallel to the sliding groove is arranged on the mounting piece, and the inclination angle of the movable groove is different from that of the sliding groove.
2. The on-line displacement bellows compensator of claim 1, wherein the heat dissipating device comprises a thermal fan fixedly arranged on the high-temperature pipeline, and an air outlet end of the thermal fan is arranged corresponding to the detection sensor.
3. The on-line displacement bellows compensator according to claim 1, further comprising a temperature detecting member provided in correspondence with the detecting sensor for detecting an operating temperature of the detecting sensor.
4. The on-line displacement bellows compensator according to claim 1, further comprising a water tank, wherein a mounting cavity for mounting the detection sensor is provided in the water tank, and an opening for extending a detection head of the detection sensor is provided in the mounting cavity.
5. The online displacement bellows compensator according to claim 4, wherein an annular water storage cavity surrounding the detection sensor is arranged inside the water tank, and a water inlet structure and a water outlet structure which are communicated with the annular water storage cavity are arranged on the water tank.
6. The online displacement bellows compensator of claim 1, wherein the heat sink comprises a mirror panel disposed between the detection sensor and the high temperature conduit for reflecting thermal radiation from the surface of the high temperature conduit.
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