CN212779481U - Heat insulation flange assembly - Google Patents
Heat insulation flange assembly Download PDFInfo
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- CN212779481U CN212779481U CN202022159683.9U CN202022159683U CN212779481U CN 212779481 U CN212779481 U CN 212779481U CN 202022159683 U CN202022159683 U CN 202022159683U CN 212779481 U CN212779481 U CN 212779481U
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- flange
- pipe body
- flange plate
- heat
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Abstract
The utility model discloses a thermal-insulated flange subassembly, include: the connecting flange, the connecting pipeline and the heat insulation pad; the connecting flange comprises a pipe body, a first flange plate and a second flange plate, wherein the first flange plate and the second flange plate are respectively arranged at two ends of the pipe body; a third flange plate is arranged on the connecting pipeline, and the second flange plate is connected with the third flange plate; the heat insulation pad is arranged between the second flange plate and the third flange plate in a lining mode, the middle of the heat insulation pad is provided with an inserting portion inserted into the pipe body, a channel communicated with the pipe body and the connecting pipeline is arranged in the inserting portion, and the inner diameter of the channel is smaller than the inner diameters of the pipe body and the connecting pipeline. The utility model provides high thermal-insulated effect has avoided simultaneously among the operation process influencing radar level meter measuring result because of the scale deposit.
Description
Technical Field
The utility model relates to an instrument and instrument installation technical field, concretely relates to thermal-insulated flange subassembly.
Background
The radar level meter adopts a microwave pulse measuring method, can be installed on various industrial equipment such as metal and nonmetal containers or pipelines, carries out non-contact continuous measurement on the level of liquid, slurry and granular materials in the radar level meter, and is suitable for occasions with large changes of dust, temperature and pressure and the presence of inert gases and steam.
The radar level gauge cannot exceed a given temperature of the gauge, which would otherwise cause damage to the gauge, and therefore installation of the radar level gauge in a high temperature vessel or pipe requires the use of an insulating flange for insulation.
In the prior art, thermal-insulated flange generally carries out choke thermal-insulated through setting up the high temperature heat insulating board between the ring flange, and not only thermal-insulated effect is relatively poor, and when high temperature tiny particle and steam contacted high temperature heat insulating board in addition, the condensation can take place, leads to the inboard scale deposit of high temperature heat insulating board, if the scale deposit is too thick, can influence the electromagnetic wave and pass to influence measuring result.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model provides a thermal-insulated flange subassembly to improve thermal-insulated effect, avoid the operation in-process simultaneously to influence radar level meter measuring result because of the scale deposit.
The utility model provides a thermal-insulated flange subassembly, include: the connecting flange comprises a pipe body, and a first flange plate and a second flange plate which are respectively arranged at two ends of the pipe body, wherein a purging interface is arranged at the side part of the pipe body, the purging interface is used for purging gas into the pipe body, and the first flange plate is used for mounting the radar level meter; the connecting pipeline is provided with a third flange plate, and the second flange plate is connected with the third flange plate; the heat insulation pad is lined between the second flange plate and the third flange plate, the middle part of the heat insulation pad is provided with an inserting part inserted into the pipe body, a channel communicated with the pipe body and the connecting pipeline is arranged in the inserting part, and the inner diameter of the channel is smaller than that of the pipe body and the connecting pipeline.
Further, the channel comprises a straight channel connected with the connecting pipeline and a conical channel transiting from the straight channel to the inner wall of the pipe body.
Further, the inner diameter of the straight channel is 0.5 times of the inner diameter of the pipe body.
Further, the heat insulation pad is made of mica plates.
Further, the outer surface of the tube body is provided with radiating fins.
Further, the radiating fins comprise a plurality of annular radiating fins connected to the outer surface of the tube body at intervals.
Further, the gas that the purge interface purged to the interior of the pipe body is nitrogen.
The beneficial effects of the utility model are embodied in:
connecting tube connects on industrial equipment, in operation, blow in the sweeping gas through sweeping the interface in to the body, the sweeping gas loops through the body, passageway and connecting tube in the grafting portion, and blow in industrial equipment, because be provided with the heat insulating mattress between flange and the connecting tube, the heat insulating mattress has thermal-insulated effect, can reduce the heat that transmits for flange, and, middle part through at the heat insulating mattress sets up the grafting portion, the grafting portion can fix a position the installation to the heat insulating mattress, passageway in the grafting portion forms the undergauge simultaneously, can avoid high temperature tiny granule and steam to flow back to in the body, thereby prevent that it from polluting radar level meter and body, at the in-process of sweeping of ventilating, some heat of flange can be taken away to the sweeping gas, thereby further reduce the heat of flange. Therefore, compared with the prior art, the method and the device improve the heat insulation effect, and simultaneously avoid the influence on the measurement result of the radar level gauge due to scaling in the operation process.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
In the drawings, 10-attachment flange; 11-a tube body; 12-a first flange; 13-a second flange; 14-a purge interface; 15-heat dissipation fins; 20-radar level gauge; 30-connecting a pipeline; 31-a third flange; 40-a heat insulation mat; 41-a plug-in part; 42-channel; 421-straight channel; 422-tapered channel.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 1, the present invention provides a heat insulation flange assembly, which includes a connection flange 10, a connection pipe 30, and a heat insulation pad 40.
The connecting flange 10 comprises a pipe body 11, and a first flange 12 and a second flange 13 which are respectively arranged at two ends of the pipe body 11, wherein a purging interface 14 is arranged at the side part of the pipe body 11, the purging interface 14 is used for purging gas, preferably nitrogen, into the pipe body 11, and the first flange 12 is used for installing the radar level gauge 20.
The connecting pipeline 30 is connected to the industrial equipment, a third flange plate 31 is arranged on the connecting pipeline 30, and the second flange plate 13 is connected with the third flange plate 31.
The heat insulation pad 40 is made of mica plate, the heat insulation pad 40 is lined between the second flange 13 and the third flange 31, the middle part of the heat insulation pad 40 is provided with an inserting part 41 inserted into the pipe body 11, a passage 42 communicating the pipe body 11 and the connecting pipeline 30 is arranged in the inserting part 41, the inner diameter of the passage 42 is smaller than the inner diameters of the pipe body 11 and the connecting pipeline 30, and preferably, the inner diameter of the straight passage 421 is 0.5 times of the inner diameter of the pipe body 11.
Specifically, the passage 42 includes a straight passage 421 connected to the connecting pipe 30 and a tapered passage 422 transiting from the straight passage 421 to the inner wall of the pipe body 11, and the purged gas transits into the straight passage 421 through the tapered passage 422, so that the resistance of the gas flow can be reduced, the gas flow is more stable, and meanwhile, by arranging the tapered passage 422, the electromagnetic wave directly reflected by the insertion part 41 can be avoided, and the influence and the interference on the measurement can be reduced.
During operation, blow in the sweep gas through sweeping the interface 14 in to body 11, the sweep gas loops through body 11, passageway 42 and connecting tube 30 in the grafting portion 41, and blow in the industrial equipment, because be provided with heat insulating mattress 40 between connecting flange 10 and the connecting tube 30, heat insulating mattress 40 has thermal-insulated effect, can reduce the heat that transmits for connecting flange 10, and, through setting up grafting portion 41 in the middle part at heat insulating mattress 40, grafting portion 41 can carry out the location installation to heat insulating mattress 40, passageway 42 in the grafting portion 41 forms the reducing mouth simultaneously, can avoid high temperature tiny particle and steam to flow back to in the body 11, thereby prevent that it from polluting radar level meter 20 and body 11, at the in-process of sweeping the gas, the sweep gas can take away a part of heat of connecting flange 10, thereby further reduce the heat of connecting flange 10. Thus, the present application provides an improved thermal insulation compared to the prior art, while avoiding that fouling affects the measurement results of the radar level gauge 20 during operation.
As a further optimization of the above solution, the outer surface of the tube body 11 is provided with the heat dissipation fins 15, specifically, the heat dissipation fins 15 include a plurality of annular heat dissipation fins connected to the outer surface of the tube body 11 at intervals, and the heat dissipation fins 15 can further enhance the heat dissipation capability of the connection flange 10, thereby further ensuring the use safety of the radar level gauge 20.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (7)
1. A heat shield flange assembly, comprising:
the connecting flange comprises a pipe body, and a first flange plate and a second flange plate which are respectively arranged at two ends of the pipe body, wherein a purging interface is arranged at the side part of the pipe body, the purging interface is used for purging gas into the pipe body, and the first flange plate is used for mounting the radar level meter;
the connecting pipeline is provided with a third flange plate, and the second flange plate is connected with the third flange plate;
the heat insulation pad is lined between the second flange plate and the third flange plate, the middle part of the heat insulation pad is provided with an inserting part inserted into the pipe body, a channel communicated with the pipe body and the connecting pipeline is arranged in the inserting part, and the inner diameter of the channel is smaller than that of the pipe body and the connecting pipeline.
2. The heat shield flange assembly of claim 1, wherein said channel comprises a straight channel connected to said connecting conduit and a tapered channel transitioning from said straight channel to the inner wall of the tubular body.
3. The heat isolating flange assembly of claim 2, wherein an inner diameter of said straight channel is 0.5 times an inner diameter of said pipe body.
4. The thermally isolating flange assembly of claim 1, wherein said thermal insulating mat is made of mica board.
5. The heat isolating flange assembly of claim 1, wherein an outer surface of said tubular body is provided with heat dissipating fins.
6. The thermally isolating flange assembly of claim 5, wherein said heat sink fins comprise a plurality of annular fins attached to said outer surface of said tubular body at spaced intervals.
7. The thermally insulated flange assembly of claim 1, wherein the gas purged into the tubular body by the purge interface is nitrogen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022159683.9U CN212779481U (en) | 2020-09-27 | 2020-09-27 | Heat insulation flange assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022159683.9U CN212779481U (en) | 2020-09-27 | 2020-09-27 | Heat insulation flange assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212779481U true CN212779481U (en) | 2021-03-23 |
Family
ID=75056557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022159683.9U Active CN212779481U (en) | 2020-09-27 | 2020-09-27 | Heat insulation flange assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212779481U (en) |
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2020
- 2020-09-27 CN CN202022159683.9U patent/CN212779481U/en active Active
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