CN216078854U - Heat preservation and insulation structure of heat transmission pipeline - Google Patents
Heat preservation and insulation structure of heat transmission pipeline Download PDFInfo
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- CN216078854U CN216078854U CN202122338797.4U CN202122338797U CN216078854U CN 216078854 U CN216078854 U CN 216078854U CN 202122338797 U CN202122338797 U CN 202122338797U CN 216078854 U CN216078854 U CN 216078854U
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Abstract
The utility model relates to the technical field of pipeline heat preservation, and provides a heat preservation and insulation structure of a heat transmission pipeline. Through above-mentioned technical scheme, solved the heat transmission pipeline insulation construction among the prior art and can not fine prevention heat permeate through, avoided the heat to spread outward, had the calorific loss big, caused the extravagant problem of energy.
Description
Technical Field
The utility model relates to the technical field of pipeline heat preservation, in particular to a heat preservation and insulation structure of a heat transmission pipeline.
Background
In the pipeline transportation of fluid, like the transportation of heating power, running water, generally adopt and bury ground or overhead pipeline to realize, need to make the fluid in the pipeline keep a relatively stable temperature among the pipeline transportation process, but the environment outside the pipeline is unstable changes always, pipeline generally all will have the effect of reducing the heat exchange with external environment especially to some heat transfer pipeline ways, consequently generally all need wrap up one deck insulation construction outside the pipeline, current pipeline usually wraps up the pipeline through rock wool or mineral wool and realizes the heat retaining effect, but this kind of insulation construction can not fine prevention heat permeate through, avoid the outside transmission of heat, there is the big problem of calorific loss, cause the energy waste.
SUMMERY OF THE UTILITY MODEL
The utility model provides a heat preservation and insulation structure of a heat transmission pipeline, and solves the problems that the heat transmission pipeline heat preservation structure in the prior art cannot well prevent heat from penetrating, the heat is prevented from spreading outwards, and energy waste is caused due to large heat loss.
The technical scheme of the utility model is as follows:
a heat preservation and insulation structure of a heat transmission pipeline comprises an aluminum silicate fiber felt layer, a high-temperature glass wool layer and an outer protective layer, wherein the aluminum silicate fiber felt layer, the high-temperature glass wool layer and the outer protective layer are wrapped on the heat transmission pipeline from inside to outside, the high-temperature glass wool layer is multiple, and an air bag layer is further arranged between the high-temperature glass wool layer on the outermost side and the outer protective layer.
Furthermore, the aluminum silicate fiber felt layer and the high-temperature glass wool layer are both coated with high-temperature-resistant aluminum foil glass fiber cloth layers.
Further, it is two-layer the cotton interlamellar of high temperature glass forms the isolation chamber, separates through a plurality of support piece around circumference arrangement, support piece includes first fixed bolster, second fixed bolster and sets up a plurality of bracing pieces between the two.
Further, it is adjacent the bracing piece is the contained angle setting first fixed bolster with the second fixed bolster forms the triangular supports.
Further, still include the connecting rod, adjacent two support piece passes through the connecting rod and connects, support piece forms annular structure with the connecting rod.
Furthermore, the support piece is further provided with an inserting rod, the connecting rod is further provided with a slot, and the inserting rod is in inserting fit with the slot.
Furthermore, the high-temperature glass wool layers are of circular ring structures formed by surrounding high-temperature glass wool, and splicing seams of the adjacent high-temperature glass wool layers are staggered.
The working principle and the beneficial effects of the utility model are as follows:
the heat-insulating and heat-preserving pipeline is characterized in that an aluminum silicate fiber felt layer, a high-temperature glass wool layer and an outer protective layer are wrapped on the heat-transporting pipeline from inside to outside, the aluminum silicate fiber felt layer and the high-temperature glass wool layer are both high-temperature-resistant heat-insulating materials, a good heat-insulating effect can be achieved, the outer protective layer is used for avoiding the aluminum silicate fiber felt layer and the high-temperature glass wool layer inside the outer protective layer from being damaged, an air bag layer is arranged between the outer protective layer and the high-temperature glass wool layer on the outermost layer, the air bag layer is a single-layer nano air bag, the flowability of air in the air bag is poor, and the heat-insulating and heat-preserving effect is improved due to the poor heat conductivity.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic view of a heat-insulating structure of a heat-transporting pipeline;
FIG. 2 is a partial schematic view of the heat-insulating structure of the heat-transporting pipeline;
FIG. 3 is a schematic view of a support structure;
in the figure: 1. the air bag comprises an aluminum silicate fiber felt layer, a high-temperature glass wool layer, a high-temperature-resistant aluminum foil glass fiber cloth layer, an outer protective layer, a high-temperature-resistant aluminum foil glass fiber cloth layer, a support piece 51, a first fixing pad, a second fixing pad 52, a second fixing pad 53, a support rod 54, an inserting rod 6, a connecting rod 7, an isolation cavity 8 and an air bag layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any inventive step, are intended to be within the scope of the present invention.
As shown in fig. 1 to 2, the present embodiment proposes
A heat preservation and insulation structure of a heat transmission pipeline comprises an aluminum silicate fiber felt layer 1, a high-temperature glass wool layer 2 and an outer protective layer 3, wherein the aluminum silicate fiber felt layer, the high-temperature glass wool layer 2 and the outer protective layer 3 are wrapped on the heat transmission pipeline from inside to outside, the high-temperature glass wool layer 2 is multi-layer, and an air bag layer 8 is further arranged between the high-temperature glass wool layer 2 on the outermost side and the outer protective layer 3.
The aluminum silicate fiber felt layer 1 and the high-temperature glass cotton layer 2 are both coated with high-temperature-resistant aluminum foil glass fiber cloth layers 4.
The heat-insulating and heat-insulating composite pipe is characterized in that an aluminum silicate fiber felt layer 1, a high-temperature glass cotton layer 2 and an outer protective layer 3 are wrapped on a heat transmission pipeline from inside to outside, the aluminum silicate fiber felt layer 1 and the high-temperature glass cotton layer 2 are both high-temperature-resistant heat-insulating materials, a good heat-insulating effect can be achieved, the outer protective layer 3 is designed to prevent the aluminum silicate fiber felt layer 1 and the high-temperature glass cotton layer 2 inside the outer protective layer from being damaged, the high-temperature glass cotton layer 2 is designed to be at least two sides, the heat-insulating effect is improved, an air bag layer 8 is arranged between the outer protective layer 3 and the outermost high-temperature glass cotton layer, the air bag layer 8 is a single-layer nanometer air bag, the flowability in the air bag is poor, and the heat-insulating and heat-insulating effect is improved due to the poor heat conductivity.
The aluminum silicate fiber felt layer 1 and the high-temperature glass cotton layer 2 are both coated with high-temperature-resistant aluminum foil glass fiber cloth layers 4, namely high-temperature-resistant anti-radiation layers, so that the overall strength is ensured, and the aluminum foil fiber cloth layers have the advantages of air tightness, water tightness and good sealing performance, so that the outward dissipation of heat in a heat transmission pipeline is reduced, the heat loss is reduced, and the energy is saved.
In one embodiment, the method comprises the steps of,
a first layer: an aluminum silicate fiber felt layer with the density of 120 +/-18; the average temperature of the heat conductivity coefficient reaches 0.135 at 500 ℃; the thickness is 50 mm; heating to 1200 deg.C for 24 hr to-3.5; the hydrophobic rate is more than or equal to 98 percent; the water content is 0.01 percent; then, a high-temperature resistant aluminum foil glass fiber cloth layer is formed by the radiation resistant layer (a high-temperature resistant radiation resistant layer special for a low-energy-consumption heat supply network), and the high-temperature resistant aluminum foil glass fiber cloth layer can resist the high temperature of 350 ℃ and has the longitudinal tension of 500N and the transverse tension of 300N.
A second layer: the combustion performance of the high-temperature glass wool layer is A (A1) grade, the use temperature is 538 ℃, and the measured value is 3.4; density 48(+ 2-5); the heat conductivity coefficient is 0.032, the heat conductivity coefficient is less than or equal to 0.039 at the average temperature of 70 ℃, and the heat conductivity coefficient is less than or equal to 0.072 at the average temperature of 300 ℃; thickness 50mm (+ 3-2); the content of slag balls is less than or equal to 0.3 percent, and the detection value is 0.0; then, a high-temperature resistant aluminum foil glass fiber cloth layer is formed by the radiation resistant layer (a high-temperature resistant radiation resistant layer special for a low-energy-consumption heat supply network), and the high-temperature resistant aluminum foil glass fiber cloth layer can resist the high temperature of 350 ℃ and has the longitudinal tension of 500N and the transverse tension of 300N.
And a third layer: the combustion performance of the high-temperature glass wool layer is A (A1) grade, the use temperature is 538 ℃, and the measured value is 3.4; density: 48(+2-5) heat conductivity coefficient of 0.032, average temperature of 70 ℃ heat conductivity coefficient of less than or equal to 0.039, average temperature of 300 ℃ heat conductivity coefficient of less than or equal to 0.072; thickness 50mm (+ 3-2); the content of slag balls is less than or equal to 0.3 percent, and the detection value is 0.0; then, a radiation-resistant layer (a high-temperature-resistant radiation-resistant layer special for a low-energy-consumption heat supply network) is added, namely a high-temperature-resistant aluminum foil glass fiber cloth layer; the high temperature resistance is 350 ℃, the longitudinal tension is 500N, and the transverse tension is 300N.
A fourth layer: the combustion performance of the high-temperature glass wool layer is A (A1) grade, the use temperature is 538 ℃, and the measured value is 3.4; density: 48(+2-5) heat conductivity coefficient of 0.032, average temperature of 70 ℃ heat conductivity coefficient of less than or equal to 0.039, and average temperature of 300 ℃ heat conductivity coefficient of 0.032; thickness 50mm (+ 3-2); the content of slag balls is less than or equal to 0.3 percent, and the detection value is 0.0; then an air bag layer (also named as a convection layer) and an air bag layer special for the long heat transmission network have the density of 60, the thickness of 3mm, the heat conductivity coefficient of 0.035, the high temperature resistance of 80 ℃ and the waterproof performance of 98 percent.
And a fifth layer: an outer protective layer, a high-altitude pipeline heat-insulating material and an aluminum-zinc-plated fluorocarbon color steel plate; thermal insulation material for culvert pipes and three-proofing cloth.
Two-layer form between high temperature glass wool layer 2 and keep apart chamber 7, separate through a plurality of support piece 5 around circumference arrangement, support piece 5 includes first fixed bolster 51, second fixed bolster 52 and sets up a plurality of bracing pieces 53 between the two. Separate high temperature glass cotton layer 2 through support piece 5, form the isolation chamber 7 of annular slot formula, further promote the thermal-insulated effect of heat preservation.
Support piece 5's first fixed bolster 51 sets up on the cotton layer 2 of high temperature glass in the inboard, support piece 5's second fixed bolster 52 and the cotton layer 2 of high temperature glass in the outside, connect through bracing piece 53 between the two, a plurality of bracing pieces 53 form the triangular supports, guarantee the stability of support, adopt first fixed bolster 51 and second fixed bolster 52 and the fine cloth layer 4 contact of high temperature resistant aluminium foil glass, avoid producing the destruction to the cotton layer 2 of high temperature glass, influence holistic thermal insulation performance.
Still include connecting rod 6, two adjacent support piece 5 are connected through connecting rod 6, and support piece 5 forms the loop configuration with connecting rod 6.
Two adjacent support piece 5 link to each other through connecting rod 6 within a definite time, make and form annular structure between support piece 5 and connecting rod 6, can hoop the cotton layer 2 of inboard high temperature glass, also can make the cotton layer 2 of the better support outside of support piece 5 simultaneously, guarantee the holistic stability and the intensity of insulation construction.
The support member 5 is further provided with an insertion rod 54, the connecting rod 6 is further provided with a slot, and the insertion rod 54 is in insertion fit with the slot.
Support piece 5 does not adopt overall structure with the connecting piece, and adopts the detachable connected mode, and the glass cloth layer 4 of high temperature resistant aluminium foil that conveniently is applicable to different diameters supports, realizes being connected of support piece 5 and connecting rod 6 through the cooperation of inserted bar 54 and slot, and it is convenient to connect the dismantlement, can select support piece 5 as required, and the quantity of connecting rod 6 forms the stable stay.
The high-temperature glass wool layer 2 is a circular ring structure formed by surrounding high-temperature glass wool, and splicing seams of the adjacent high-temperature glass wool layers 2 are staggered.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The heat-preservation and heat-insulation structure of the heat transmission pipeline comprises an aluminum silicate fiber felt layer (1), a high-temperature glass wool layer (2) and an outer protective layer (3), wherein the aluminum silicate fiber felt layer, the high-temperature glass wool layer and the outer protective layer are wrapped on the heat transmission pipeline from inside to outside, the high-temperature glass wool layer (2) is multi-layer, and the heat-preservation and heat-insulation structure is characterized in that an air bag layer (8) is further arranged between the high-temperature glass wool layer (2) on the outermost side and the outer protective layer (3).
2. The heat preservation and insulation structure of the heat transmission pipeline as claimed in claim 1, wherein the aluminum silicate fiber felt layer (1) and the high temperature glass wool layer (2) are both coated with a high temperature resistant aluminum foil glass fiber cloth layer (4).
3. The heat-insulating structure of the heat-transporting pipeline according to claim 2, characterized in that an isolation chamber (7) is formed between two layers (2) of the high-temperature glass wool, and is separated by a plurality of supporting pieces (5) arranged around the circumference, and the supporting pieces (5) comprise a first fixing pad (51), a second fixing pad (52) and a plurality of supporting rods (53) arranged between the first fixing pad and the second fixing pad.
4. The heat preservation and insulation structure of the heat transmission pipeline according to claim 3, characterized in that the adjacent support rods (53) are arranged at an included angle, and a triangular support is formed between the first fixing pad (51) and the second fixing pad (52).
5. The heat insulation structure of the heat transmission pipeline is characterized by further comprising a connecting rod (6), two adjacent supporting pieces (5) are connected through the connecting rod (6), and the supporting pieces (5) and the connecting rod (6) form an annular structure.
6. The heat preservation and insulation structure of the heat transmission pipeline according to claim 5, characterized in that the support member (5) is further provided with an insertion rod (54), the connecting rod (6) is further provided with an insertion slot, and the insertion rod (54) is in insertion fit with the insertion slot.
7. The heat preservation and insulation structure of the heat transmission pipeline as claimed in claim 1, wherein the high temperature glass wool layer (2) is a circular ring structure surrounded by high temperature glass wool, and the splicing seams of the adjacent high temperature glass wool layers (2) are staggered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338797.4U CN216078854U (en) | 2021-09-26 | 2021-09-26 | Heat preservation and insulation structure of heat transmission pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122338797.4U CN216078854U (en) | 2021-09-26 | 2021-09-26 | Heat preservation and insulation structure of heat transmission pipeline |
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| CN216078854U true CN216078854U (en) | 2022-03-18 |
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| CN202122338797.4U Active CN216078854U (en) | 2021-09-26 | 2021-09-26 | Heat preservation and insulation structure of heat transmission pipeline |
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2021
- 2021-09-26 CN CN202122338797.4U patent/CN216078854U/en active Active
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