CN113653855B - Support for high-temperature pipeline and high-temperature warning method thereof - Google Patents

Support for high-temperature pipeline and high-temperature warning method thereof Download PDF

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Publication number
CN113653855B
CN113653855B CN202110841924.4A CN202110841924A CN113653855B CN 113653855 B CN113653855 B CN 113653855B CN 202110841924 A CN202110841924 A CN 202110841924A CN 113653855 B CN113653855 B CN 113653855B
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China
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temperature
color
pipeline
coating layer
thermochromic material
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CN113653855A (en
Inventor
李小龙
罗浩东
李懿靓
朱坤峰
张赢
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/16Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe
    • F16L3/18Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets with special provision allowing movement of the pipe allowing movement in axial direction
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00Thermal insulation in general
    • F16L59/02Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/028Composition or method of fixing a thermally insulating material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17DPIPE-LINE SYSTEMS; PIPE-LINES
    • F17D5/00Protection or supervision of installations
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18Status alarms
    • G08B21/182Level alarms, e.g. alarms responsive to variables exceeding a threshold

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)

Abstract

The invention relates to the technical field of pipeline supports and discloses a support for a high-temperature pipeline and a high-temperature warning method thereof. The temperature of the bracket can be judged by naked eyes, whether the bracket can touch or not is judged, and the high temperature is avoided from scalding the maintainers, so that the maintainers can conveniently overhaul the pipeline, and potential safety hazards are avoided.

Description

Support for high-temperature pipeline and high-temperature warning method thereof
Technical Field
The invention relates to the technical field of pipeline supports, in particular to a support for a high-temperature pipeline and a high-temperature warning method thereof.
Background
At present, high-temperature heat pipelines are very common in power plants and chemical plants, and a support needs to be arranged at intervals of a certain distance for supporting the heat pipelines. Some pipes are supported by brackets placed on the floor, as required by the piping arrangement. These racks are hot due to direct contact with the high temperature heat pipes, which causes the following problems: the high-temperature support is placed on a floor, so that the high-temperature support is in a range which can be touched by people, and whether the temperature of the support is reduced to the touch range or not can not be judged by naked eyes during shutdown maintenance, so that the scald of a maintenance worker is easily caused. In addition, many supports are sliding supports, and in order to reduce frictional resistance, a polytetrafluoroethylene sliding bottom plate is arranged at the bottom of each support, the temperature resistance range of the sliding bottom plate is approximately 150-250 ℃, and excessive temperature can cause damage to the sliding bottom plate, damage to a sliding surface, increase frictional resistance and cause damage to the supports, so that potential safety hazards are easily caused.
Disclosure of Invention
In view of the above problems, the present invention aims to provide a bracket for a high temperature pipeline and a high temperature warning method thereof, so as to solve the problem that the existing bracket cannot judge the temperature by naked eyes, which is easy to cause potential safety hazards.
In order to achieve the purpose, the invention adopts the following technical scheme:
one aspect of the invention provides a support for a high-temperature pipeline, which comprises a pipeline clamp, a bottom plate and a support frame, wherein the pipeline clamp is slidably mounted on the bottom plate, the bottom plate is fixed on the top of the support frame, a color development coating layer is arranged on the outer surface of the pipeline clamp, and the color development coating layer displays a set color when the temperature of the outer wall of the pipeline clamp exceeds a set temperature.
Preferably, the color developing coating layer is disposed at the bottom of the pipe clamp.
Preferably, the color developing coating layer comprises a reversible thermochromic material, and when the temperature of the outer wall of the pipe clamp exceeds a first set temperature, the color developing coating layer displays a first set color.
Preferably, the first set temperature is 50 ℃.
Preferably, the color developing coating layer further comprises an irreversible thermochromic material, and when the temperature of the outer wall of the pipe clamp exceeds a second set temperature, the color developing coating layer displays a second set color, wherein the second set temperature is higher than the first set temperature, and the second set color is different from the first set color.
Preferably, the second set temperature is 220 ℃.
Preferably, the colored coating layer further comprises a clear paint.
Another aspect of the present invention provides a high temperature warning method for a bracket for a high temperature pipeline, including:
adding a reversible thermochromic material and an irreversible thermochromic material into the transparent paint to manufacture and form a color development coating layer;
arranging a color development coating layer on the outer surface of the pipeline clamp;
when the temperature of the outer wall of the pipeline clamp exceeds a first set temperature, the reversible thermochromic material displays a first set color; when the temperature of the outer wall of the pipeline clamp is reduced to be lower than the first set temperature, the first set color fades; when the temperature of the outer wall of the pipe clamp exceeds a second set temperature, the irreversible thermochromic material displays a second set color, wherein the second set temperature is greater than the first set temperature, and the second set color is different from the first set color.
Preferably, the first set temperature is 50 ℃ and the second set temperature is 220 ℃.
Compared with the prior art, the bracket for the high-temperature pipeline and the high-temperature warning method thereof have the beneficial effects that:
according to the support for the high-temperature pipeline, the set color can be displayed when the temperature of the outer wall of the pipeline clamp exceeds the set temperature through the arranged color development coating layer, so that the temperature of the support can be judged by naked eyes, whether the support can be touched or not is judged, high temperature scalding of maintainers is avoided, the maintainers can conveniently overhaul the pipeline, and potential safety hazards are avoided.
According to the high-temperature warning method of the support for the high-temperature pipeline, disclosed by the embodiment of the invention, the color development coating layer is formed by using the reversible thermochromic material and the irreversible thermochromic material, so that different set colors can be displayed according to different temperatures of the outer wall of the pipeline clamp. On one hand, when the temperature of the support exceeds the first set temperature, the maintainer can know that the temperature of the support exceeds the manually touched temperature according to the first set color displayed by the color development coating layer, so that the temperature of the support can be seen by naked eyes, and the maintainer is prevented from being scalded; on the other hand, when the support temperature exceeded the second and set for the temperature, the maintainer can set for the colour according to the second that the color development coating layer shows and learn that the bottom plate of support has the impaired condition of high temperature, need overhaul or change the bottom plate of support, avoids the bottom plate to damage the increase that causes frictional resistance to avoid arousing the potential safety hazard.
Drawings
FIG. 1 is a schematic structural view of a support for a high-temperature pipeline according to an embodiment of the present invention;
in the figure, 1, a pipe clamp; 2. a base plate; 3. a support frame; 4. a color developing coating layer; 5. a floor surface; 6. a pipeline; 7. and (7) an insulating layer.
Detailed Description
The following detailed description of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1, a support for a high temperature pipeline according to a preferred embodiment of the present invention includes a pipeline clamp 1, a bottom plate 2 and a support frame 3, wherein the pipeline clamp 1 is used for clamping and fixing a pipeline 6; the pipeline clamp 1 is slidably mounted on the bottom plate 2, for example, a slide rail can be arranged on the bottom plate 2, a slide block matched with the slide rail is arranged on the bottom surface of the pipeline clamp 1, and the pipeline clamp 1 slides relative to the bottom plate 2 through the sliding of the slide block relative to the slide rail; in a working state, the pipeline 6 generates a thermal displacement after being heated, the pipeline clamp 1 moves along with the pipeline, and the bottom plate 2 is welded and fixed and cannot move, so that the pipeline clamp 1 slides on the bottom plate 2, the bottom plate 2 provides support for the pipeline clamp 1 on one hand, and the friction force can be reduced on the other hand; the bottom plate 2 is fixed the top of support frame 3, and the bottom of support frame 3 is placed on floor 5, the surface of pipeline clamp 1 is provided with color development coating 4, when pipeline clamp 1's outer wall temperature exceeded the settlement temperature, color development coating 4 shows and sets for the colour to the temperature of this pipeline 6 of warning staff is high temperature, avoids scalding the staff.
According to the invention, through the arranged color development coating layer 4, when the temperature of the outer wall of the pipeline clamp 1 exceeds the set temperature, the set color can be displayed, so that the temperature can be judged by naked eyes, whether the bracket can touch or not is judged, and the high temperature is avoided from scalding the maintainers, thereby facilitating the maintainers to overhaul the pipeline 6 and avoiding causing potential safety hazards.
Preferably, an insulating layer 7 is provided between the pipe clamp 1 and the wall surface of the pipe 6.
In this embodiment, the support frame 3 comprises a support plate and a support tube, the support plate is arranged at the top of the support tube, and the support tube is vertically placed on the floor 5. The support tube may be a steel tube.
In this embodiment, the color development coating 4 set up in the bottom of pipeline clamp 1, the staff of being convenient for on the one hand observes color development coating 4, and on the other hand color development coating 4 is close to the outer wall of pipeline 6 more, and is more accurate to the response of temperature.
In this embodiment, the color development coating layer 4 includes a reversible thermochromic material, and when the temperature of the outer wall of the pipe clamp 1 exceeds a first set temperature, the color development coating layer 4 displays a first set color, where the reversible thermochromic material may be a triphenylmethane reversible color-changing material. Further, the reversible thermochromic material is externally wrapped with microcapsules, wherein the particle size of the microcapsules is less than 100 microns. Preferably, the first set temperature is about 50 ℃. Because reversible thermochromic material meets high temperature and can the colour development, and when the temperature reduces to below the first settlement temperature, reversible thermochromic material can resume to original transparent colour, consequently, utilize the first settlement colour that reversible thermochromic material shows, can show whether the support can touch to avoid scalding pipeline maintainer.
Further, the color development coating layer 4 further comprises an irreversible thermochromic material, and when the temperature of the outer wall of the pipe clamp 1 exceeds a second set temperature, the color development coating layer 4 displays a second set color, wherein the second set temperature is higher than the first set temperature, and the second set color is different from the first set color. Preferably, the second set temperature is 220 ℃. In this embodiment, the irreversible thermochromic material is an organic reversible thermochromic material, such as cadmium hydroxide Cd (OH) 2 . Since the irreversible thermochromic material can develop color at high temperature and the color does not return to the original color even if the temperature is reducedThe initial colour, and therefore the second set colour exhibited by the irreversible thermochromic material, can be used to indicate that the soleplate 2 has received high temperature damage and needs to be replaced.
Further, the color development coating layer 4 further comprises an adhesive layer, and the reversible thermochromic material and the irreversible thermochromic material can be better coated on the pipe clamp 1 by using the adhesive layer. Preferably, the adhesive layer may be a transparent paint.
In an optional embodiment, the color-developing coating layer 4 includes transparent paint, reversible thermochromic material, and irreversible thermochromic material, wherein the mass percentage of the reversible thermochromic material is 10% to 20%, the mass percentage of the irreversible thermochromic material is 5% to 10%, and the transparent paint accounts for 70% to 85%. Assuming that the first set color is yellow and the second set color is red, when the bracket is displayed to be yellow, the temperature is high, and the bracket cannot be touched by an operator; if the bracket is displayed in red, it indicates that the bracket has been subjected to excessive temperature, the bottom plate 2 is damaged and can not be used continuously, and the bracket needs to be replaced with a new bracket.
The high-temperature warning method of the bracket for the high-temperature pipeline comprises the following steps:
adding a reversible thermochromic material and an irreversible thermochromic material into transparent paint to manufacture and form a color development coating layer 4, wherein optionally, the mass percent of the reversible thermochromic material is 10-20%, the mass percent of the irreversible thermochromic material is 5-10%, and the transparent paint accounts for 70-85%;
arranging a color development coating layer 4 on the outer surface of the pipeline clamp 1, specifically the bottom of the pipeline clamp 1;
when the temperature of the outer wall of the pipeline clamp 1 exceeds a first set temperature, the reversible thermochromic material displays a first set color and indicates that the temperature of the pipeline 6 is an untouchable high temperature; when the temperature of the outer wall of the pipeline clamp 1 is reduced to be lower than the first set temperature, the first set color fades; when the outer wall temperature of pipe clamp 1 exceeded the second and sets for the temperature, irreversible thermochromic material shows the second and sets for the colour, shows that pipe clamp 1's bottom plate 2 has the impaired condition of high temperature, needs to be changed, wherein, the second sets for the temperature and is greater than first set for the temperature, just the second set for the colour with first set for the colour is different to the naked eye observation.
Preferably, the first set temperature is 50 ℃ and the second set temperature is 220 ℃.
It should be noted that other embodiments of the high temperature warning method of the bracket for a high temperature pipeline according to the present invention are substantially the same as the above-mentioned embodiments of the bracket for a high temperature pipeline, and are not described herein again.
In summary, the embodiment of the invention provides a bracket for a high-temperature pipeline, which can display a set color when the temperature of the outer wall of a pipeline clamp 1 exceeds a set temperature through an arranged color-displaying coating layer 4, so that the temperature of the pipeline clamp can be judged by naked eyes, whether the bracket can be touched or not is judged, a high temperature is prevented from scalding a maintenance worker, the maintenance worker can conveniently maintain the pipeline 6, and potential safety hazards are avoided. The embodiment of the invention also provides a high-temperature warning method of the bracket for the high-temperature pipeline, which is characterized in that the color development coating layer 4 is formed by using the reversible thermochromic material and the irreversible thermochromic material, so that different set colors can be displayed according to different temperatures of the outer wall of the pipeline clamp 1. On one hand, when the temperature of the support exceeds the first set temperature, the maintainer can know that the temperature of the support exceeds the manually touched temperature according to the first set color displayed by the color-developing coating layer 4, so that the temperature of the support can be seen by naked eyes, and the maintainer is prevented from being scalded; on the other hand, when the support temperature exceeded the second and set for the temperature, the maintainer can set for the colour according to the second that the color development coating 4 shows and learn that there is the impaired condition of high temperature in the bottom plate 2 of support, need overhaul or change the bottom plate 2 of support, avoids bottom plate 2 to damage the increase that causes frictional resistance to avoid arousing the potential safety hazard.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (6)

1. The support for the high-temperature pipeline is characterized by comprising a pipeline clamp, a bottom plate and a support frame, wherein the pipeline clamp is slidably mounted on the bottom plate, the bottom plate is fixed to the top of the support frame, a color development coating layer is arranged on the outer surface of the pipeline clamp, and the color development coating layer displays a set color when the temperature of the outer wall of the pipeline clamp exceeds a set temperature;
the color development coating layer comprises a reversible thermochromic material, and when the temperature of the outer wall of the pipeline clamp exceeds a first set temperature, the color development coating layer displays a first set color; the reversible thermochromic material is wrapped by microcapsules, and the particle size of the microcapsules is smaller than 100 micrometers;
the color development coating layer further comprises an irreversible thermochromic material, and when the temperature of the outer wall of the pipeline clamp exceeds a second set temperature, the color development coating layer displays a second set color, wherein the second set temperature is higher than the first set temperature, and the second set color is different from the first set color;
the color-developing coating layer also comprises transparent paint;
the mass percent of the reversible thermochromism material is 10-20%, the mass percent of the irreversible thermochromism material is 5-10%, and the ratio of the transparent paint is 70-85%.
2. The bracket for a high-temperature pipeline according to claim 1, wherein the color-developing coating layer is provided at the bottom of the pipeline clamp.
3. A support for high temperature pipes according to claim 1, characterized in that the first set temperature is 50 ℃.
4. A rack for high temperature pipes as set forth in claim 1 wherein said second set temperature is 220 ℃.
5. A high temperature warning method of a support for a high temperature pipeline is characterized by comprising the following steps:
adding a reversible thermochromic material and an irreversible thermochromic material into transparent paint to prepare and form a color development coating, wherein the mass percent of the reversible thermochromic material is 10% -20%, the mass percent of the irreversible thermochromic material is 5% -10%, and the proportion of the transparent paint is 70% -85%;
arranging a color development coating layer on the outer surface of the pipeline clamp;
when the temperature of the outer wall of the pipeline clamp exceeds a first set temperature, the reversible thermochromic material displays a first set color; when the temperature of the outer wall of the pipeline clamp is reduced to be lower than the first set temperature, the first set color fades; when the temperature of the outer wall of the pipe clamp exceeds a second set temperature, the irreversible thermochromic material displays a second set color, wherein the second set temperature is greater than the first set temperature, and the second set color is different from the first set color.
6. The method for warning the high temperature of the bracket for the high temperature pipeline according to claim 5, wherein the first set temperature is 50 ℃ and the second set temperature is 220 ℃.
CN202110841924.4A 2021-07-23 2021-07-23 Support for high-temperature pipeline and high-temperature warning method thereof Active CN113653855B (en)

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CN113653855B true CN113653855B (en) 2023-03-24

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JPH0722196U (en) * 1993-09-30 1995-04-21 日本ゼオン株式会社 Electric fusion tube fitting with temperature display
TWI263040B (en) * 2004-09-02 2006-10-01 New Prismatic Entpr Co Ltd Adjustable irreversible temperature alarm device
EP3284993A1 (en) * 2016-08-16 2018-02-21 Masterflex SE Flexible hose line with integrated sensor material
CN109856119A (en) * 2018-12-13 2019-06-07 珠海优特智厨科技有限公司 A kind of temperature indicating labels and product go bad detection method
WO2020191514A1 (en) * 2019-03-22 2020-10-01 Abb Schweiz Ag Thermochromic indicator, producing method and cable accessory
CN210271508U (en) * 2019-10-14 2020-04-07 南昌市第九医院 Temperature sensing label
CN111503376A (en) * 2020-04-14 2020-08-07 江苏奇佩建筑装配科技有限公司 Sliding support
CN213472113U (en) * 2020-07-30 2021-06-18 华蓥市深达光学科技有限公司 Anti-scald mechanism for mold temperature controller
CN112503306B (en) * 2020-12-16 2024-05-03 常州大学 Energy-saving active rolling heat insulation pipe bracket structure with monitoring function

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