CN210661925U - Flange heat preservation subassembly and steam conveying pipeline thereof - Google Patents

Flange heat preservation subassembly and steam conveying pipeline thereof Download PDF

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Publication number
CN210661925U
CN210661925U CN201921109328.1U CN201921109328U CN210661925U CN 210661925 U CN210661925 U CN 210661925U CN 201921109328 U CN201921109328 U CN 201921109328U CN 210661925 U CN210661925 U CN 210661925U
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Prior art keywords
flange
side end
end sealing
pipeline
sealing
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CN201921109328.1U
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侯向阳
李战胜
宋庆云
张五喜
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Zhuhai Xinyuan Thermal Power Co ltd
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Zhuhai Xinyuan Thermal Power Co ltd
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Abstract

The utility model discloses a flange heat preservation subassembly and steam conveying pipeline thereof, flange heat preservation subassembly include two pipelines, connect the flange of two pipelines, side sealing and hoop sealing. The side end sealing parts are formed by heat insulation strips which are wound around the outer wall of the pipeline along the circumferential direction of the pipeline, the outer diameters of the side end sealing parts are equal to the outer diameter of the flange and are concentrically arranged, at least two side end sealing parts are arranged, and at least one side end sealing part is arranged on each of the left side and the right side of the flange; the annular sealing part is formed by winding a heat insulation strip along the circumferential direction of the pipeline, covers the outer side of the flange and at least partially covers the outer side of the side end sealing part. This flange heat preservation subassembly utilizes side sealing and hoop sealing to seal up the setting to the flange, with the flange tightly blockade all around, and side sealing and hoop sealing all are around the pipeline circumference around establishing simultaneously, and gap and pipeline axial direction parallel between them prevents that the heat from giving off to ensure the heat preservation effect, thereby guarantee steam pipeline's whole heat preservation effect.

Description

Flange heat preservation subassembly and steam conveying pipeline thereof
Technical Field
The utility model belongs to the technical field of steam heating technique and specifically relates to a flange heat preservation subassembly and steam conveying pipeline thereof is related to.
Background
The steam heating system is a system for supplying heat in a steam form, water in the heating system is used as a heating medium, and heat is carried from a heat source in the form of steam and is sent to a user through a heat supply network. In the process of pipeline transportation, the joint between pipelines-the flange structure-is also the area with larger steam heat loss.
SUMMERY OF THE UTILITY MODEL
To the problem, the utility model provides a flange heat preservation subassembly and steam conveying pipeline that heat preservation is respond well.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
a flange heat-insulating assembly comprises two pipelines, a flange and side end sealing parts, wherein the flange is used for connecting the two pipelines, the side end sealing parts are formed by heat-insulating strips surrounding the outer wall of the pipelines along the circumferential direction of the pipelines, the outer diameters of the side end sealing parts are equal to the outer diameter of the flange and are concentrically arranged, at least two side end sealing parts are arranged, and at least one side end sealing part is arranged on each of the left side and the right side of the flange; and the annular sealing part is formed by winding a heat insulation strip along the circumferential direction of the pipeline, covers the outer side of the flange and at least partially covers the outer side of the side end sealing part.
Above flange heat preservation subassembly has following beneficial effect at least: utilize side sealing and hoop sealing to seal up the flange and set up, closely blockade the flange all around, side sealing and hoop sealing all wind around pipeline circumference and establish simultaneously, gap and pipeline axial direction parallel between them prevents that the heat from giving off to ensure the heat preservation effect.
According to the utility model discloses a flange heat preservation subassembly of first aspect, there is the seal clearance between hoop sealing, side sealing and the flange, it has thermal-insulated filler to fill in the seal clearance.
Above flange heat preservation subassembly has following beneficial effect at least: there are the sealing gap that is difficult to fill when winding between hoop sealing portion, side sealing portion and the flange such as hoop sealing portion, side sealing portion, for the heat preservation effect of reinforcing this subassembly, fill thermal-insulated filler in the sealing gap, further improve the heat preservation effect of this subassembly.
According to the utility model discloses an aspect a flange heat preservation subassembly, thermal-insulated strip all adopts soft cotton felt to make with thermal-insulated filler.
Above flange heat preservation subassembly has following beneficial effect at least: the soft cotton felt is a heat-insulating material, so that the gas phase void ratio is improved, and the heat conductivity coefficient and the conduction coefficient are mainly reduced. This subassembly adopts soft cotton felt can guarantee the heat preservation effect.
According to the utility model discloses an aspect a flange insulation subassembly, soft cotton felt can be aluminium silicate cotton, ceramic fibre.
Above flange heat preservation subassembly has following beneficial effect at least: the aluminum silicate cotton is bulk fiber produced by blowing or throwing method and integrated by a cotton collector or a settling device, and is also called as raw cotton fiber, and has the advantages of low thermal conductivity, low thermal capacity and the like. The ceramic fiber is a fibrous light refractory material, and has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat, mechanical shock resistance and the like. The heat preservation effect can be further ensured by adopting the aluminum silicate cotton or the ceramic fiber.
According to the utility model discloses an aspect a flange heat preservation subassembly, the side of side sealing and hoop sealing all is equipped with the tight ring of bundle.
Above flange heat preservation subassembly has following beneficial effect at least: the tightening ring can tighten the side end sealing part and the annular sealing part, so that the side end sealing part or the annular sealing part is prevented from being displaced along the axial direction of the pipeline, being separated and the like in the using process, and the normal use of the assembly can be further ensured.
According to the utility model discloses the first aspect a flange heat preservation subassembly, the side sealing is two and sets up in the flange left and right sides, and the hoop sealing all covers in the side sealing outside.
Above flange heat preservation subassembly has following beneficial effect at least: the flange is sealed by the side end sealing part and the annular sealing part, the periphery of the flange is tightly sealed, heat dissipation is prevented, and the heat preservation effect is ensured.
According to the second aspect of the present invention, a steam delivery pipe is provided, which comprises the first aspect of the present invention.
The steam conveying pipeline at least has the following beneficial effects: the steam conveying pipeline comprises a flange heat insulation assembly, and the flange is sealed by the side end sealing part and the annular sealing part of the flange heat insulation assembly, so that heat loss of steam in the steam conveying pipeline at the flange is prevented.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. Obviously, the described figures are only some embodiments of the invention, not all embodiments, and other designs and figures can be obtained by those skilled in the art without inventive effort, based on these figures:
FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the pipe, flange and a side end seal according to the preferred embodiment of the present invention;
fig. 3 is a cross-sectional view of the preferred embodiment of the present invention.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a flange insulation assembly includes two pipes 100, a flange 200 connecting the two pipes 100, a side end sealing portion 300, and a circumferential sealing portion 400. Wherein, the side end sealing part 300 is formed by heat insulation strips around the outer wall of the pipeline 100 along the circumferential direction of the pipeline 100, the outer diameter of the side end sealing part 300 is equal to that of the flange 200 and is concentrically arranged, at least two side end sealing parts 300 are arranged, and at least one side end sealing part 300 is arranged on each of the left side and the right side of the flange 200; the circumferential sealing part 400 is formed by winding a heat insulating strip along the circumferential direction of the pipeline 100, and the circumferential sealing part 400 covers the outer side of the flange 200 and at least partially covers the outer side of the side end sealing part 300.
This flange heat preservation subassembly utilizes side sealing 300 and hoop sealing 400 to seal flange 200 and sets up, seals flange 200 all around tightly blockade, and side sealing 300 and hoop sealing 400 are all around pipeline 100 circumference around setting up simultaneously, and the gap between them is parallel with the pipeline axial, prevents that the heat from giving off to ensure the heat preservation effect.
Note that the directional position of the flange 200 is defined by the horizontal radial direction of the flange 200 as the front-rear direction, the axial direction of the flange 200 as the left-right direction, and the "left-right sides" of the flange 200 are the two sides in the axial direction of the flange 200.
Meanwhile, the circumferential sealing part 400 is required to cover the flange 200 completely and the side sealing part 300 at least partially. In this embodiment, the two side end sealing portions 300 are respectively disposed on the left and right sides of the flange 200, and the circumferential sealing portion 400 entirely covers the outside of the side end sealing portion 300.
According to the utility model discloses a flange heat preservation subassembly of one of them embodiment, there is sealed clearance 500 between hoop sealing 400, side sealing 300 and the flange 200, and it has thermal-insulated filler to fill in sealed clearance 500.
There are the sealed clearance 500 that is difficult to fill when winding between the ring direction sealing 400, side end sealing 300 and the flange 200 to the ring direction sealing 400, side end sealing 300 etc. for the heat preservation effect of reinforcing this subassembly, fill thermal-insulated filler in the sealed clearance 500, further improve the heat preservation effect of this subassembly.
According to the utility model discloses a flange heat preservation subassembly of one of them embodiment, thermal-insulated strip and thermal-insulated filler all adopt soft cotton felt to make. The soft cotton felt is a heat-insulating material, so that the gas phase void ratio is improved, and the heat conductivity coefficient and the conduction coefficient are mainly reduced. In this embodiment, the soft cotton felt may be aluminum silicate cotton or ceramic fiber. The aluminum silicate cotton is bulk fiber produced by blowing or throwing method and integrated by a cotton collector or a settling device, and is also called as raw cotton fiber, and has the advantages of low thermal conductivity, low thermal capacity and the like. The ceramic fiber is a fibrous light refractory material, and has the advantages of light weight, high temperature resistance, good thermal stability, low thermal conductivity, small specific heat, mechanical shock resistance and the like. The heat preservation effect can be further ensured by adopting the aluminum silicate cotton or the ceramic fiber.
According to the utility model discloses a flange heat preservation subassembly, the side of side sealing 300 and hoop sealing 400 all is equipped with the tight ring of bundle.
The tightening ring can tighten the side end sealing part 300 and the annular sealing part 400, so that the side end sealing part 300 or the annular sealing part 400 is prevented from being displaced and separated along the axial direction of the pipeline 100 in the using process, and the normal use of the assembly can be further ensured.
According to the utility model discloses a flange heat preservation subassembly of one of them embodiment, including two root canal way 100, connect flange 200, side sealing 300 and the hoop sealing 400 of two root canal way 100. Wherein, the side end sealing part 300 is formed by heat insulation strips around the outer wall of the pipeline 100 along the circumferential direction of the pipeline 100, the outer diameter of the side end sealing part 300 is equal to that of the flange 200 and is concentrically arranged, at least two side end sealing parts 300 are arranged, and at least one side end sealing part 300 is arranged on each of the left side and the right side of the flange 200; the circumferential sealing part 400 is formed by winding a heat insulating strip along the circumferential direction of the pipeline 100, and the circumferential sealing part 400 covers the outer side of the flange 200 and at least partially covers the outer side of the side end sealing part 300. A sealing gap 500 is formed among the circumferential sealing part 400, the side end sealing part 300 and the flange 200, and the sealing gap 500 is filled with a heat insulating filler. The heat insulation strips and the heat insulation filler are both made of soft cotton felts. The soft cotton felt can be aluminum silicate cotton and ceramic fiber. The side end sealing part 300 and the circumferential sealing part 400 are provided with tightening rings on the sides. The two side end sealing parts 300 are respectively arranged at the left side and the right side of the flange 200, and the annular sealing part 400 is completely covered at the outer side of the side end sealing part 300.
The utility model discloses steam conveying pipeline includes the steam conveying pipeline in this embodiment. The steam conveying pipeline comprises a flange heat-insulating assembly, the flange 200 is sealed by the side end sealing part 300 and the annular sealing part 400 of the flange heat-insulating assembly, and heat loss of steam in the steam conveying pipeline at the flange is prevented.
The above embodiments are further described in the above aspects of the present invention, but it should not be understood that the scope of the above subject matter of the present invention is limited to the above embodiments, and all the technologies realized based on the above aspects belong to the scope of the present invention.

Claims (7)

1. The utility model provides a flange heat preservation subassembly, includes two pipelines (100) and connects flange (200) of two pipelines (100), its characterized in that: also comprises
The side end sealing parts (300) are formed by heat insulation strips which are arranged around the outer wall of the pipeline (100) along the circumferential direction of the pipeline (100), the outer diameters of the side end sealing parts (300) are equal to the outer diameter of the flange (200) and are concentrically arranged, at least two side end sealing parts (300) are arranged, and at least one side end sealing part (300) is arranged on each of the left side and the right side of the flange (200);
and the annular sealing part (400) is formed by winding a heat insulation strip along the circumferential direction of the pipeline (100), covers the outer side of the flange (200) and at least partially covers the outer side of the side end sealing part (300).
2. A flange insulation assembly according to claim 1, wherein: a sealing gap (500) exists among the circumferential sealing part (400), the side end sealing part (300) and the flange (200), and heat insulation filler is filled in the sealing gap (500).
3. A flange insulation assembly according to claim 2, wherein: the heat insulation strips and the heat insulation filler are both made of soft cotton felts.
4. A flange insulation assembly according to claim 3, wherein: the soft cotton felt can be aluminum silicate cotton and ceramic fiber.
5. A flange insulation assembly according to claim 1, wherein: the side end sealing part (300) and the side surface of the annular sealing part (400) are respectively provided with a binding ring.
6. A flange insulation assembly according to claim 1, wherein: the two side end sealing parts (300) are respectively arranged at the left side and the right side of the flange (200), and the annular sealing parts (400) are completely covered at the outer sides of the side end sealing parts (300).
7. A vapor delivery conduit, characterized by: comprising a steam delivery conduit according to any one of claims 1 to 6.
CN201921109328.1U 2019-07-15 2019-07-15 Flange heat preservation subassembly and steam conveying pipeline thereof Active CN210661925U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921109328.1U CN210661925U (en) 2019-07-15 2019-07-15 Flange heat preservation subassembly and steam conveying pipeline thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921109328.1U CN210661925U (en) 2019-07-15 2019-07-15 Flange heat preservation subassembly and steam conveying pipeline thereof

Publications (1)

Publication Number Publication Date
CN210661925U true CN210661925U (en) 2020-06-02

Family

ID=70820630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921109328.1U Active CN210661925U (en) 2019-07-15 2019-07-15 Flange heat preservation subassembly and steam conveying pipeline thereof

Country Status (1)

Country Link
CN (1) CN210661925U (en)

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