CN113566269A - Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof - Google Patents
Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof Download PDFInfo
- Publication number
- CN113566269A CN113566269A CN202110745780.2A CN202110745780A CN113566269A CN 113566269 A CN113566269 A CN 113566269A CN 202110745780 A CN202110745780 A CN 202110745780A CN 113566269 A CN113566269 A CN 113566269A
- Authority
- CN
- China
- Prior art keywords
- heat
- supply pipe
- sleeve
- heat supply
- pipe network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000009434 installation Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000004321 preservation Methods 0.000 title abstract description 15
- 229920005830 Polyurethane Foam Polymers 0.000 claims abstract description 20
- 239000011496 polyurethane foam Substances 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 8
- 239000000741 silica gel Substances 0.000 claims abstract description 8
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 8
- 238000009413 insulation Methods 0.000 claims description 36
- 239000003292 glue Substances 0.000 claims description 26
- 238000003860 storage Methods 0.000 claims description 21
- 239000012528 membrane Substances 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 15
- 230000005389 magnetism Effects 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 12
- 239000000565 sealant Substances 0.000 abstract description 9
- 229920002635 polyurethane Polymers 0.000 abstract description 8
- 239000004814 polyurethane Substances 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 description 12
- 230000008602 contraction Effects 0.000 description 6
- 239000012466 permeate Substances 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000006260 foam Substances 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 239000000945 filler Substances 0.000 description 2
- 229920006257 Heat-shrinkable film Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
- F24D19/0002—Means for connecting central heating radiators to circulation pipes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/08—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts
- B32B3/085—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by added members at particular parts spaced apart pieces on the surface of a layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2266/00—Composition of foam
- B32B2266/02—Organic
- B32B2266/0214—Materials belonging to B32B27/00
- B32B2266/0278—Polyurethane
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2597/00—Tubular articles, e.g. hoses, pipes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Insulation (AREA)
Abstract
The invention discloses an anti-drop heat-supply pipe network heat-preservation sleeve and an installation method thereof, belonging to the field of heat-supply pipe networks, by additionally arranging a layer of internal tight sleeve inside the existing heat preservation sleeve, the internal tight sleeve has elasticity and is sleeved on the heat supply pipe in an expansion mode, can effectively improve the anti-drop effect, utilizes the heat of the heat supply pipe to lead the thermal shrinkage film to shrink and crack and lead the thermal expansion ball to expand, thereby extruding the liquid silica gel, effectively improving the connection strength of the inner tight sleeve and the heat supply pipe, when the polyurethane expands when being heated, when the sealing film is cracked due to the squeezing action and the polyurethane foam near the repairing layer cracks, the driving performance of the magnetic force is utilized to enable the magnetic guide chain to penetrate into the crack, and the magnetic guide chain penetrates and simultaneously carries part of high-temperature-resistant sealant, so that the crack is effectively repaired, and the heat loss is reduced.
Description
Technical Field
The invention relates to the field of heat supply pipe networks, in particular to an anti-drop heat-supply pipe network heat-preservation sleeve and an installation method thereof.
Background
The urban centralized heat supply pipe network is a pipeline system for conveying and distributing heat supply media to heat users from an urban centralized heat supply heat source. The heat supply network consists of heat transmission main lines, heat distribution main lines, branch lines and the like. The heat transmission main line is led out from the heat source and is not connected with a branch line generally; the heat distribution main line is connected from the heat transmission main line or directly from the heat source, and supplies heat to users through the heat distribution branch line. The heat supply pipeline is communicated from a heat source to a building heat inlet from a boiler room, a direct-fired machine room, a heat supply center and the like. A plurality of heat supply pipelines form a pipe network.
The medium of the heat distribution pipeline comprises hot water and steam, the design pressure of the heat supply hot water medium is less than or equal to 2.5MPa, and the design temperature is less than or equal to 200 ℃; the design pressure of the heat supply steam medium is less than or equal to 1.6MPa, and the design temperature is less than or equal to 350 ℃. The thermal pipeline is generally composed of an inner steel pipe, an outer protective sleeve and a middle thermal insulation filler.
The heat preservation filler of heat pipe adopts polyurethane foam mostly, and because of it has good heat preservation effect and is used widely, but when the in-service use, because the influence of rising with heat and contracting with cold, polyurethane foam produces the crack easily, causes the heat preservation effect to reduce, and the production in gap causes to take place relative slip between polyurethane foam and outer tube and the inner tube moreover, leads to the insulation cover to drop easily.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide an anti-drop heat-supply pipe network heat-insulating sleeve and an installation method thereof, the scheme is that a layer of internal tight sleeve is additionally arranged in the existing heat-insulating sleeve, the internal tight sleeve has elasticity, the internal tight sleeve is sleeved on a heat-supply pipe in an expansion mode, the anti-drop effect can be effectively improved, a heat shrinkable film is contracted and broken by using the heat of the heat-supply pipe, and a thermal expansion ball is expanded, so that liquid silica gel is extruded, the connection strength of the internal tight sleeve and the heat-supply pipe is effectively improved, when polyurethane expands due to heating, the sealing film is broken by the extrusion effect, when polyurethane foam close to a repair layer cracks, a magnetic guide chain is penetrated into the cracks by using the driving performance of magnetic force, and the magnetic guide chain is penetrated and carries partial high-temperature-resistant sealant, so as to effectively repair the cracks, to reduce heat loss.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An anti-drop heat supply pipe network heat preservation sleeve comprises a heat supply pipe and a heat preservation sleeve, wherein the heat preservation sleeve comprises an inner tight sleeve and an outer protection pipe, the inner wall of the outer protection pipe is fixedly connected with a repairing layer, a plurality of expansion limiting connecting pieces are fixedly connected between the inner tight sleeve and the repairing layer, polyurethane foam is filled between the inner tight sleeve and the repairing layer, a plurality of glue storage open cavities are formed in the inner wall of the inner tight sleeve, heat expansion balls are placed in the glue storage open cavities, liquid silica gel is filled between the heat expansion balls and the glue storage cavities, heat shrinkage films are fixedly connected to the opening parts of the glue storage open cavities, heat absorption rods are fixedly embedded on the heat expansion balls and penetrate through the heat shrinkage films, a plurality of glue storage open cavities are also formed in the inner wall of the repairing layer, high-temperature-resistant sealant is filled in the glue storage open cavities, a plurality of magnetic guide chains are filled in the high-temperature-resistant sealant, and the opening of the glue storage opening cavity is fixedly connected with a sealing film. This scheme is through set up the interior tight sleeve pipe of one deck in current insulation cover is inside, interior tight sleeve pipe has elasticity, cover it on the heating supply pipe through the mode of expansion, can effectively improve anti-drop effect, utilize the heat messenger thermal contraction membrane shrink of heating supply pipe to break, make the thermal expansion ball inflation simultaneously, thereby make liquid silica gel extrude, effectively improve interior tight sleeve pipe and heating supply pipe's joint strength, when polyurethane is heated the inflation, because squeezing action makes seal membrane self break, when the polyurethane foam that is close to repair layer department produces the crack, utilize the driving nature of magnetic force to make magnetism guide chain permeate into in the crack, magnetism guide chain permeates and carries partial high temperature resistant sealed glue, thereby carry out effectual repair to the crack, in order to reduce thermal loss.
Further, the spacing connecting piece of inflation includes outside outer ripple cover and inside interior straight pull rod, the total length of outer ripple cover is greater than the length of interior straight pull rod, and outer ripple cover and interior straight pull rod mutually support in order to restrict the excessive inflation of outer protection tube when thermal expansion.
Further, outer ripple cover adopts soft inelastic material, interior straight pull rod adopts elastic material, because the inflation of being heated of polyurethane piece foam makes the outside expansion of outer protection tube, can offset partly thermal expansion when the elasticity of interior straight pull rod, when outer ripple cover was straightened simultaneously, can prevent the continuation inflation of outer protection tube to it is difficult to appear tired to protect the outer protection tube.
Furthermore, the magnetic guide chain is composed of a plurality of magnetic balls, the magnetic balls are connected through an inelastic rope, the magnetic guide chain has a tendency of moving towards the heat supply pipe due to the magnetism, and when the polyurethane foam close to the repairing layer cracks, the magnetic guide chain can penetrate into the cracks, so that the high-temperature-resistant sealant is carried into the cracks to repair the cracks.
Furthermore, the magnetic poles of the magnetic balls are distributed at one end close to the inelastic rope, so that the two ends of the magnetic balls are magnetic, and the magnetic balls can smoothly move into the cracks.
Furthermore, the sealing membrane is an elastic membrane with an inflated inner part, a breaking needle is fixedly connected to the inner wall of the sealing membrane close to the magnetic guide chain, and the sealing membrane is punctured by the breaking needle inside the sealing membrane after being extruded due to thermal expansion of polyurethane foam, so that the magnetic guide chain is released.
Further, interior tight sleeve pipe adopts high temperature resistant elasticity rubber material, utilizes the elasticity of self to live the heat supply pipe parcel, improves anti-drop effect, outer protection tube adopts corrosion-resistant material, prevents to be corroded by other materials such as outside water, soil.
Furthermore, still fixedly connected with insulating layer between outer protection tube and the layer of repairing, and the insulating layer adopts thermal-insulated material, and the insulating layer is in order to prevent that the heat from leaking and influencing the life of outer protection tube on the outer protection tube.
Further, the installation method of the anti-drop heat supply pipe network heat preservation sleeve comprises the following installation steps:
s1, clamping a guide wheel for expanding the insulation sleeve at an opening at one end of the heat supply pipe, and then expanding an inner tightening sleeve on the insulation sleeve to be sleeved on the guide wheel;
s2, the rear end of the thermal insulation sleeve is supported to be pushed forwards forcibly, or the front end of the heat supply pipe is supported to be pushed backwards forcibly, so that the heat supply pipe is sleeved by the whole thermal insulation sleeve;
and S3, finally filling polyurethane foam into the heat-insulating sleeve to ensure that the heat-insulating sleeve has the function of heat insulation.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) this scheme is through set up the interior tight sleeve pipe of one deck in current insulation cover is inside, interior tight sleeve pipe has elasticity, cover it on the heating supply pipe through the mode of expansion, can effectively improve anti-drop effect, utilize the heat messenger thermal contraction membrane shrink of heating supply pipe to break, make the thermal expansion ball inflation simultaneously, thereby make liquid silica gel extrude, effectively improve interior tight sleeve pipe and heating supply pipe's joint strength, when polyurethane is heated the inflation, because squeezing action makes seal membrane self break, when the polyurethane foam that is close to repair layer department produces the crack, utilize the driving nature of magnetic force to make magnetism guide chain permeate into in the crack, magnetism guide chain permeates and carries partial high temperature resistant sealed glue, thereby carry out effectual repair to the crack, in order to reduce thermal loss.
(2) The expansion limiting connecting piece comprises an external outer corrugated sleeve and an internal straight pull rod inside the external corrugated sleeve, the total length of the external corrugated sleeve is greater than that of the internal straight pull rod, and the external corrugated sleeve and the internal straight pull rod are matched with each other to limit the excessive expansion of the external protection tube during thermal expansion.
(3) Outer ripple cover adopts soft inelastic material, and interior vertical pulling stick adopts elastic material, because the inflation of being heated of polyurethane piece foam makes the outside expansion of outer protection tube, and the elasticity of drawing the stick when interior straight can offset partly thermal expansion, when outer ripple cover was straightened simultaneously, can prevent the continuation inflation of outer protection tube to it is difficult to appear tired to protect the outer protection tube.
(4) The magnetic guide chain is composed of a plurality of magnetic balls, the magnetic balls are connected through an inelastic rope, the magnetic guide chain has the tendency that the magnetic guide chain is moved towards a heat supply pipe, and when the polyurethane foam close to the repairing layer cracks, the magnetic guide chain can penetrate into the cracks, so that the high-temperature-resistant sealant is carried into the cracks to repair the cracks.
(5) The magnetic poles of the magnetic balls are distributed at one end close to the inelastic rope, so that the two ends of the magnetic balls are magnetic, and the magnetic balls can smoothly move into the cracks.
(6) The sealing film is an elastic film with an inflated inner part, the inner wall of the sealing film close to the magnetic guide chain is fixedly connected with a breaking needle, and the sealing film is punctured by the breaking needle inside the sealing film after being extruded due to thermal expansion of polyurethane foam, so that the magnetic guide chain is released.
(7) Interior tight sleeve pipe adopts high temperature resistant elasticity rubber material, utilizes the elasticity of self to live the heating supply pipe parcel, improves anti-drop effect, and outer protection tube adopts corrosion-resistant material, prevents to be corroded by other materials such as outside water, soil.
(8) Still fixedly connected with insulating layer between outer protection tube and the layer of repairing, and the insulating layer adopts thermal-insulated material, and the insulating layer is in order to prevent that the heat from leaking and to influence the life of outer protection tube on the outer protection tube.
Drawings
FIG. 1 is a schematic view of the installation steps of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
FIG. 4 is a schematic view of the structure at A in FIG. 2;
FIG. 5 is a schematic view of the structure at B in FIG. 2;
FIG. 6 is a schematic cross-sectional view of a sealing film according to the present invention;
FIG. 7 is a schematic cross-sectional view of an expansion limiting connector of the present invention;
figure 8 is a schematic view of the expansion limiting connector of the present invention in a deformed state from front to back.
The reference numbers in the figures illustrate:
1 inner tight sleeve, 101 thermal expansion ball, 102 thermal contraction film, 103 heat absorption rod, 2 outer protection tube, 3 repairing layer, 301 magnetic guide chain, 302 sealing film, 3021 broken needle, 4 expansion limit connecting piece, 401 outer ripple sleeve, 402 inner straight pull rod, 5 thermal insulation layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
referring to fig. 1-8, an anti-drop heat preservation sleeve for a heat supply pipe network comprises a heat supply pipe and a heat preservation sleeve, referring to fig. 1-3, the heat preservation sleeve comprises an inner tight sleeve 1 and an outer protection pipe 2, the inner tight sleeve 1 is made of high temperature resistant elastic rubber, the heat supply pipe is wrapped by the elasticity of the inner tight sleeve 1, the anti-drop effect is improved, the outer protection pipe 2 is made of corrosion resistant material, and is prevented from being corroded by other substances such as external water, soil and the like, a repairing layer 3 is fixedly connected to the inner wall of the outer protection pipe 2, a heat insulation layer 5 is also fixedly connected between the outer protection pipe 2 and the repairing layer 3, the heat insulation layer 5 is made of heat insulation material, and the heat insulation layer 5 is used for preventing heat from leaking to act on the outer protection pipe 2 and affecting the service life of the outer protection pipe 2;
referring to fig. 7-8, a plurality of expansion limit connectors 4 are fixedly connected between the inner tightening sleeve 1 and the repairing layer 3, each expansion limit connector 4 comprises an outer corrugated sleeve 401 and an inner straight pull rod 402, the total length of the outer corrugated sleeve 401 is greater than the length of the inner straight pull rod 402, the outer corrugated sleeve 401 and the inner straight pull rod 402 are matched with each other to limit excessive expansion of the outer protection tube 2 during thermal expansion, the outer corrugated sleeve 401 is made of soft inelastic material, the inner straight pull rod 402 is made of elastic material, the outer protection tube 2 is expanded outwards due to thermal expansion of polyurethane sheet foam, when the elastic force of the inner straight pull rod 402 can counteract a part of thermal expansion, and when the outer corrugated sleeve 401 is straightened, the outer protection tube 2 can be prevented from continuing expansion, so that fatigue is not easy to occur to the outer protection tube 2;
referring to fig. 4-6, polyurethane foam is filled between the inner tightening sleeve 1 and the repairing layer 3, the inner wall of the inner tightening sleeve 1 is provided with a plurality of glue storage open cavities, thermal expansion balls 101 are disposed in the glue storage open cavities, liquid silica gel is filled between the thermal expansion balls 101 and the glue storage cavities, the openings of the glue storage open cavities are fixedly connected with thermal contraction films 102, heat absorption rods 103 are fixedly embedded on the thermal expansion balls 101, the heat absorption rods 103 penetrate through the thermal contraction films 102, the inner wall of the repairing layer 3 is also provided with a plurality of glue storage open cavities, the openings of the glue storage open cavities on the inner tightening sleeve 1 and the repairing layer 3 face the heat supply pipe, high temperature resistant sealant is filled in the glue storage open cavities, the high temperature resistant sealant is filled with a plurality of magnetic guide chains 301, the openings of the glue storage open cavities are fixedly connected with sealing films 302, the sealing films 302 are elastic films with air inflation inside, and breaking needles 3021 are fixedly connected to the inner walls of the sealing films 302 close to the magnetic guide chains 301, because of the reason that the polyurethane foam expands by heating, the sealing membrane 302 is punctured by the internal puncturing needle 3021 after being extruded, thereby releasing the magnetic guiding chain 301, the magnetic guiding chain 301 is composed of a plurality of magnetic balls, and the plurality of magnetic balls are connected through the inelastic rope, the magnetic poles of the plurality of magnetic balls are distributed at one end close to the inelastic rope, so that the two ends of the magnetic balls have magnetism, thereby the magnetic balls can smoothly move to the crack, the magnetism of the magnetic guiding chain 301 enables the magnetic guiding chain to have the tendency of moving towards the heat supply pipe, when the polyurethane foam close to the repairing layer 3 has the crack, the magnetic guiding chain 301 can penetrate into the crack, thereby carrying the high-temperature-resistant sealant into the crack for gap repairing.
Referring to fig. 1, the installation method of the present device includes the following installation steps:
s1, clamping a guide wheel for expanding the insulation sleeve at an opening at one end of the heat supply pipe, and then expanding the inner tightening sleeve 1 on the insulation sleeve to be sleeved on the guide wheel;
s2, the rear end of the thermal insulation sleeve is supported to be pushed forwards forcibly, or the front end of the heat supply pipe is supported to be pushed backwards forcibly, so that the heat supply pipe is sleeved by the whole thermal insulation sleeve;
and S3, finally filling polyurethane foam into the heat-insulating sleeve to ensure that the heat-insulating sleeve has the function of heat insulation.
This scheme is through set up tight sleeve pipe 1 in one deck in current insulation cover is inside, interior tight sleeve pipe 1 has elasticity, cover it on the heating supply pipe through the mode of expansion, can effectively improve anti-drop effect, utilize the heat of heating supply pipe to make thermal contraction membrane 102 shrink and break, make thermal expansion ball 101 inflation simultaneously, thereby make liquid silica gel extrude, effectively improve tight sleeve pipe 1 and heating supply pipe's joint strength in, when polyurethane is heated the inflation, because squeezing action makes seal membrane 302 self break, when the polyurethane foam that is close to repair layer 3 department produces the crack, utilize the drivability of magnetic force to make magnetism guide chain 301 permeate into the crack, magnetism guide chain 301 permeates and carries partial high temperature resistant sealed glue, thereby carry out effectual repair to the crack, with the loss that reduces the heat.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the equivalent replacement or change according to the technical solution and the modified concept of the present invention should be covered by the scope of the present invention.
Claims (10)
1. The utility model provides an anti-drop heat supply pipe network insulation cover, includes heat supply pipe and insulation cover, its characterized in that: the heat insulation sleeve comprises an inner tightening sleeve (1) and an outer protection tube (2), wherein a repairing layer (3) is fixedly connected to the inner wall of the outer protection tube (2), a plurality of expansion limiting connecting pieces (4) are fixedly connected between the inner tightening sleeve (1) and the repairing layer (3), polyurethane foam is filled between the inner tightening sleeve (1) and the repairing layer (3), a plurality of glue storage open cavities are formed in the inner wall of the inner tightening sleeve (1), heat expansion balls (101) are placed in the glue storage open cavities, liquid silica gel is filled between the heat expansion balls (101) and the glue storage cavities, a heat shrinkage film (102) is fixedly connected to the opening of each glue storage open cavity, heat absorption rods (103) are fixedly embedded in the heat expansion balls (101), the heat absorption rods (103) penetrate through the heat shrinkage film (102), and a plurality of glue storage open cavities are also formed in the inner wall of the repairing layer (3), and store up and fill in the gluey opening chamber and have sealed glue of nai high temperature, it has a plurality of magnetism guide chains (301) to fill in the sealed glue of nai high temperature, and stores up the opening part fixedly connected with seal membrane (302) of gluey opening chamber.
2. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: the expansion limiting connecting piece (4) comprises an outer corrugated sleeve (401) and an inner straight pull rod (402), wherein the outer corrugated sleeve (401) is arranged outside the inner straight pull rod, and the total length of the outer corrugated sleeve (401) is greater than that of the inner straight pull rod (402).
3. The anti-drop heat supply pipe network insulation sleeve of claim 2, wherein: the outer corrugated sleeve (401) is made of soft inelastic materials, and the inner straight pull rod (402) is made of elastic materials.
4. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: the magnetic guide chain (301) is composed of a plurality of magnetic balls, and the plurality of magnetic balls are connected through an inelastic rope.
5. The anti-drop heat supply pipe network insulation sleeve of claim 5, wherein: the magnetic poles of a plurality of the magnetic balls are distributed at one end close to the inelastic string.
6. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: the sealing membrane (302) is an elastic membrane with an inflated inner part, and a broken needle (3021) is fixedly connected to the inner wall of the sealing membrane (302) close to the magnetic guide chain (301).
7. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: the inner tight sleeve (1) is made of high-temperature-resistant elastic rubber, and the outer protection tube (2) is made of corrosion-resistant materials.
8. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: the openings of the glue storage opening cavities on the inner tightening sleeve (1) and the repairing layer (3) face the heat supply pipe.
9. The anti-drop heat supply pipe network insulation sleeve of claim 1, wherein: still fixedly connected with insulating layer (5) between outer protection tube (2) and repair layer (3), and insulating layer (5) adopt thermal-insulated material.
10. The installation method of the anti-drop heat supply pipe network thermal insulation sleeve according to any one of claims 1 to 9, wherein: the method comprises the following installation steps:
s1, clamping a guide wheel for expanding the insulation sleeve at an opening at one end of the heat supply pipe, and then expanding an inner tightening sleeve (1) on the insulation sleeve to be sleeved on the guide wheel;
s2, the rear end of the thermal insulation sleeve is supported to be pushed forwards forcibly, or the front end of the heat supply pipe is supported to be pushed backwards forcibly, so that the heat supply pipe is sleeved by the whole thermal insulation sleeve;
and S3, finally filling polyurethane foam into the heat-insulating sleeve to ensure that the heat-insulating sleeve has the function of heat insulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745780.2A CN113566269A (en) | 2021-07-01 | 2021-07-01 | Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110745780.2A CN113566269A (en) | 2021-07-01 | 2021-07-01 | Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113566269A true CN113566269A (en) | 2021-10-29 |
Family
ID=78163354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110745780.2A Withdrawn CN113566269A (en) | 2021-07-01 | 2021-07-01 | Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113566269A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2822194A (en) * | 1951-08-13 | 1958-02-04 | Flexonics Corp | High pressure expansion joint with bellows and reinforcing rings and method of making same |
| WO2002016475A2 (en) * | 2000-08-24 | 2002-02-28 | E.I. Du Pont De Nemours And Company | Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrate |
| DE202012103291U1 (en) * | 2012-08-29 | 2012-09-10 | Nmc S.A. | Reflector with polymer film |
| CN104154373A (en) * | 2014-09-12 | 2014-11-19 | 上海科华热力管道有限公司 | Stabilizer for eliminating corrugated expansion joint vibration |
| CN111981211A (en) * | 2020-08-11 | 2020-11-24 | 山东新朗华科技有限公司 | Heat distribution pipeline |
| CN112406205A (en) * | 2020-11-19 | 2021-02-26 | 吴佳 | Antibacterial and deodorant knitted textile and preparation process thereof |
| CN112627369A (en) * | 2020-12-05 | 2021-04-09 | 张丽霞 | Magnetic drainage type self-repairing roof insulation board |
| CN112644098A (en) * | 2020-12-05 | 2021-04-13 | 孟玲玉 | Production method of textile with protective layer |
| CN213064934U (en) * | 2020-08-11 | 2021-04-27 | 山东新朗华科技有限公司 | Heat preservation and insulation structure for heating pipeline |
| CN112736825A (en) * | 2020-12-07 | 2021-04-30 | 朱昱雯 | Cable protection pipe of formula selfreparing is inhaled to magnetism |
| CN213157687U (en) * | 2020-06-04 | 2021-05-11 | 中原工学院 | Portable nose washing device |
-
2021
- 2021-07-01 CN CN202110745780.2A patent/CN113566269A/en not_active Withdrawn
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2822194A (en) * | 1951-08-13 | 1958-02-04 | Flexonics Corp | High pressure expansion joint with bellows and reinforcing rings and method of making same |
| WO2002016475A2 (en) * | 2000-08-24 | 2002-02-28 | E.I. Du Pont De Nemours And Company | Polyimide film, method of manufacture, and metal interconnect board with polyimide film substrate |
| DE202012103291U1 (en) * | 2012-08-29 | 2012-09-10 | Nmc S.A. | Reflector with polymer film |
| CN104154373A (en) * | 2014-09-12 | 2014-11-19 | 上海科华热力管道有限公司 | Stabilizer for eliminating corrugated expansion joint vibration |
| CN213157687U (en) * | 2020-06-04 | 2021-05-11 | 中原工学院 | Portable nose washing device |
| CN111981211A (en) * | 2020-08-11 | 2020-11-24 | 山东新朗华科技有限公司 | Heat distribution pipeline |
| CN213064934U (en) * | 2020-08-11 | 2021-04-27 | 山东新朗华科技有限公司 | Heat preservation and insulation structure for heating pipeline |
| CN112406205A (en) * | 2020-11-19 | 2021-02-26 | 吴佳 | Antibacterial and deodorant knitted textile and preparation process thereof |
| CN112627369A (en) * | 2020-12-05 | 2021-04-09 | 张丽霞 | Magnetic drainage type self-repairing roof insulation board |
| CN112644098A (en) * | 2020-12-05 | 2021-04-13 | 孟玲玉 | Production method of textile with protective layer |
| CN112736825A (en) * | 2020-12-07 | 2021-04-30 | 朱昱雯 | Cable protection pipe of formula selfreparing is inhaled to magnetism |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100551676C (en) | The manufacture method of pipelining member | |
| CN211231907U (en) | Anti-compression explosion-proof pipeline | |
| CN104482319B (en) | Heat insulation plastic pipe | |
| CN113566269A (en) | Anti-drop heat supply pipe network heat preservation sleeve and installation method thereof | |
| CN207005476U (en) | A kind of PP R polyurethane thermal pipes | |
| CN213064934U (en) | Heat preservation and insulation structure for heating pipeline | |
| CN218510443U (en) | Prefabricated direct-burried insulating tube of high density polyethylene | |
| CN210600501U (en) | Low-temperature efficient heat preservation pipe | |
| CN111928061A (en) | Anti-freezing heat-resistant water pipe for outdoor ground surface | |
| CN213271610U (en) | Rock wool insulating tube | |
| CN210567002U (en) | Self-heat-preservation pipe of pipeline heat-preservation system | |
| CN107420656A (en) | A kind of winding pipe and its installation method of expansion plugging gap | |
| CN211083138U (en) | Large-diameter anti-cracking PE plastic pipe | |
| CN215445426U (en) | Sealing joint for heat-insulating pipe | |
| CN204328240U (en) | A kind of reinforced insulating plastic pipe tubular construction | |
| CN216768787U (en) | Waterproof flame-retardant transmission hose for oil exploitation | |
| CN219870200U (en) | Heating power energy-saving pipeline pressure maintaining detection tool | |
| CN219221674U (en) | Joint coating device applied to prefabricated directly-buried heat-insulation pipeline | |
| CN218719410U (en) | High-temperature-resistant polyethylene heat-insulating pipe | |
| CN218031981U (en) | Air entrainment hose of air entrainment post | |
| CN206257397U (en) | A kind of novel anti-leakage winding pipe | |
| CN210600485U (en) | Carry insulating tube of natural gas | |
| CN216143305U (en) | Prefabricated built on stilts insulating tube convenient to production | |
| CN204495154U (en) | A kind of heat exchanger tube explosive expansion joint structure | |
| CN214274928U (en) | Geothermal well heat preservation pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211029 |