CN207455064U - A kind of prefabricated direct-buried heat preservation energy-saving pipe - Google Patents
A kind of prefabricated direct-buried heat preservation energy-saving pipe Download PDFInfo
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- CN207455064U CN207455064U CN201721458250.5U CN201721458250U CN207455064U CN 207455064 U CN207455064 U CN 207455064U CN 201721458250 U CN201721458250 U CN 201721458250U CN 207455064 U CN207455064 U CN 207455064U
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- heat preservation
- prefabricated direct
- air bag
- preservation energy
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Abstract
The utility model discloses a kind of prefabricated direct-buried heat preservation energy-saving pipes, and including working steel tube, SiO is disposed with from internal layer outer layers in the outer surface of the working steel tube2Aeroge insulating layer, first nanometer of air bag reflection layer, aluminium silicate wool needle punched blanket, centrifugally glass-wool, second nanometer of air bag reflection layer and steel outer casing, the outer surface spiral winding of first nanometer of air bag reflection layer have glass wool cloth, the SiO2The thickness of aeroge insulating layer is 8mm 13mm.The utility model improves the heat-insulating property and fractional energy savings of prefabricated direct-buried heat preservation energy-saving pipe, effectively increases the cost performance of prefabricated direct-buried heat preservation energy-saving pipe, improves heat insulation and moisture-proof performance and corrosion resistance, extend service life.
Description
【Technical field】
Technical field more particularly to a kind of prefabricated direct-buried heat preservation energy-saving pipe the utility model is related to heat supply pipeline.
【Background technology】
Prefabricated direct-buried heat preservation energy-saving pipe as a kind of heat supply pipeline, be widely used in chemical pipeline engineering, electric power, oil,
Ventilating duct of central air conditioner, central heating, municipal works etc., with high-efficiency insulated, waterproof, anti-corrosion, it is fire-retardant, cold-resistant,
The advantages that light capacity, intensity are high, construction is convenient.However, in the heat preservation technology of prefabricated direct-buried pipe, the quality of thermal insulation material is irregular
Uneven, heat-insulating property and price great disparity are larger, and up to now, manufacturer is difficult to find a balance in energy saving and cost
Point, the structure design of prefabricated direct-buried pipe is unreasonable, and with energy saving also to be optimized, the cost performance of prefabricated direct-buried pipe is not high for heat preservation.
【Utility model content】
In view of this, it is overcome the deficiencies in the prior art, the utility model provides a kind of prefabricated direct-buried heat preservation energy-saving pipe, leads to
The improvement of working steel tube external structure is crossed, improves heat-insulating property and fractional energy savings, so as to effectively increase prefabricated direct-buried heat preservation section
The cost performance of energy pipe；Further, the outer surface of prefabricated direct-buried heat preservation energy-saving pipe is provided with steel outer casing, adds intensity, prolong
Service life is grown.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of prefabricated direct-buried heat preservation energy-saving pipe, it is outside from internal layer in the outer surface of the working steel tube including working steel tube
Layer is disposed with SiO2Aeroge insulating layer, first nanometer of air bag reflection layer, aluminium silicate wool needle punched blanket, centrifugally glass-wool,
Two nanometers of air bag reflection layers and steel outer casing.
The SiO2The use of aeroge insulating layer improves heat blocking performance, the flame resistant of prefabricated direct-buried heat preservation energy-saving pipe
Burn performance, chemical stability and mechanical characteristic.First nanometer of air bag reflection layer and second nanometer of air bag are anti-
The use for penetrating layer improves the heat insulation and moisture-proof performance and corrosion resistance of prefabricated direct-buried heat preservation energy-saving pipe, extends using the longevity
Life.The aluminium silicate wool needle punched blanket has the characteristics that good extending performance, light weight, and which raises prefabricated direct-buried heat preservation energy-saving pipes
Anti-seismic performance avoids deforming.The centrifugally glass-wool cost is relatively low, and unit weight is small, thermal conductivity factor is low, hydrophobicity is good, changes
It is strong to learn stability, effectively increases the flame retardant property and corrosion resistance of prefabricated direct-buried heat preservation energy-saving pipe.
Preferably, the outer surface spiral winding of first nanometer of air bag reflection layer has glass wool cloth, the glass wool cloth
For fixing first nanometer of air bag reflection layer.
Further, the SiO2The thickness of aeroge insulating layer is 8mm-13mm.
Further, the thickness of first nanometer of air bag reflection layer is 5mm-7mm.
Further, the thickness of second nanometer of air bag reflection layer is 5mm-7mm.
Further, the steel outer casing is spiral seam steel pipe submerged arc, and the steel outer casing is used to protect the centrifugation glass
While glass cotton, the intensity of prefabricated direct-buried heat preservation energy-saving pipe is added, further extends service life.
The beneficial effects of the utility model are：(1) SiO is passed through2Aeroge insulating layer, first nanometer of air bag reflection
The reasonable setting of layer, aluminium silicate wool needle punched blanket, centrifugally glass-wool, second nanometer of air bag reflection layer, improves prefabricated direct-buried heat preservation
The heat-insulating property and fractional energy savings of energy-saving pipe, so as to effectively increase the cost performance of prefabricated direct-buried heat preservation energy-saving pipe, and improve every
Hot humidity resistance and corrosion resistance, extend service life；(2) by the setting of steel outer casing, improve prefabricated direct-buried
The intensity of heat preservation energy-saving pipe, anti-pressure ability are strong.
【Description of the drawings】
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the cross section view of the utility model.
In figure, 1, working steel tube, 2, SiO2Aeroge insulating layer, 3, first nanometers of air bag reflection layers, 4, aluminium silicate wool pin
Pierce blanket, 5, centrifugally glass-wool, 6, second nanometers of air bag reflection layers, 7, steel outer casing.
【Specific embodiment】
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
With reference to Fig. 1, a kind of prefabricated direct-buried heat preservation energy-saving pipe, including working steel tube 1, in the outer surface of the working steel tube 1
SiO is disposed with from internal layer outer layers22, first nanometers of air bag reflection layers 3 of aeroge insulating layer, aluminium silicate wool needle punched blanket 4,
5, second nanometers of air bag reflection layers 6 of centrifugally glass-wool and steel outer casing 7.
The SiO2The use of aeroge insulating layer 2 improves the heat blocking performance of prefabricated direct-buried heat preservation energy-saving pipe, fire resisting
Flame burns performance, chemical stability and mechanical characteristic.First nanometer of air bag reflection layer 3 and second nanometer of air bag reflection
The use of layer 6 improves the heat insulation and moisture-proof performance and corrosion resistance of prefabricated direct-buried heat preservation energy-saving pipe, extends service life.
The aluminium silicate wool needle punched blanket 4 has the characteristics that good extending performance, light weight, and which raises the anti-of prefabricated direct-buried heat preservation energy-saving pipe
Shock stability avoids deforming.5 cost of centrifugally glass-wool is relatively low, and unit weight is small, thermal conductivity factor is low, hydrophobicity is good, chemistry
Stability is strong, effectively increases the flame retardant property and corrosion resistance of prefabricated direct-buried heat preservation energy-saving pipe.
The outer surface spiral winding of first nanometer of air bag reflection layer 3 has glass wool cloth, and the glass wool cloth is for solid
Fixed first nanometer of air bag reflection layer 3.
The SiO2The thickness of aeroge insulating layer 2 is 10mm.
The thickness of first nanometer of air bag reflection layer 3 and second nanometer of air bag reflection layer 6 is 6.5mm.
The steel outer casing 7 is spiral seam steel pipe submerged arc, and the steel outer casing 7 is used to protect the centrifugally glass-wool 5
While, the intensity of prefabricated direct-buried heat preservation energy-saving pipe is added, further extends service life.
The utility model cost performance reasoning process explanation：With 150 DEG C of medium temperature, caliber DN300, buried depth 1.6m, heat preservation
Layer thickness 90mm, pipe range 1m prefabricated direct-buried heat preservation energy-saving pipe exemplified by, to illustrate the processing performance of the utility model.
(1) thermal loss of original prefabricated direct-buried thermal insulation pipe：It uses centrifugally glass-wool to keep the temperature (unit weight 65kg/m3), it passes
Hot coefficient is 0.045w/ (m. DEG C), according to composite heat-insulating layer thermal loss formulaIts list
Position pipe range thermal loss is 73.15W/m2。
(2) thermal loss of this prefabricated direct-buried heat preservation energy-saving pipe：It uses SiO2The thickness of aeroge insulating layer 2 is
10mm, heat transfer coefficient 0.015w/ (m. DEG C), the thickness of first nanometer of air bag reflection layer 3 is 6.5mm, heat transfer coefficient 0.032w/
(m. DEG C), the thickness of aluminium silicate wool needle punched blanket 4 are 33.5mm, heat transfer coefficient 0.042w/ (m. DEG C), the thickness of centrifugally glass-wool 5
For 33.5mm, heat transfer coefficient 0.045w/ (m. DEG C), the thickness of second nanometer of air bag reflection layer 6 is 6.5mm, heat transfer coefficient
0.032w/(m.℃).It is calculated according to composite heat-insulating layer thermal loss formula, unit pipe range heat loss is 55.61W/m2。
This prefabricated direct-buried heat preservation energy-saving pipe reduces 17.54W/m compared with original prefabricated direct-buried thermal insulation pipe2Heat damage
It loses, is converted according to existing energy market market, energy saving expense is 0.011404 yuan/m2.h.And original prefabricated direct-buried thermal insulation pipe
Manufacture cost be about 631.5 yuan/m, the manufacture cost of this prefabricated direct-buried heat preservation energy-saving pipe is about 828.85 yuan/m.Thus
It learns, this prefabricated direct-buried heat preservation energy-saving pipe cost recovery after 17306h is used, i.e., cost recovery in 2 years, for 30 years or more
For the prefabricated direct-buried pipe of service life, cost performance is quite high, and use cost is low.
The utility model improves the heat-insulating property and fractional energy savings of prefabricated direct-buried heat preservation energy-saving pipe, effectively increases prefabricated straight
The cost performance of heat preservation energy-saving pipe is buried, heat insulation and moisture-proof performance and corrosion resistance is improved, extends service life.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modifications, equivalent replacements and improvements are made should be included in the utility model
Protection domain within.
Claims (6)
1. a kind of prefabricated direct-buried heat preservation energy-saving pipe, including working steel tube, which is characterized in that in the outer surface of the working steel tube certainly
Internal layer outer layers are disposed with SiO2Aeroge insulating layer, first nanometer of air bag reflection layer, aluminium silicate wool needle punched blanket, centrifugation glass
Glass cotton, second nanometer of air bag reflection layer and steel outer casing.
2. a kind of prefabricated direct-buried heat preservation energy-saving pipe according to claim 1, which is characterized in that first nanometer of air bag is anti-
The outer surface spiral winding for penetrating layer has glass wool cloth.
A kind of 3. prefabricated direct-buried heat preservation energy-saving pipe according to claim 1, which is characterized in that the SiO2Aeroge is kept the temperature
The thickness of layer is 8mm-13mm.
4. a kind of prefabricated direct-buried heat preservation energy-saving pipe according to claim 1, which is characterized in that first nanometer of air bag is anti-
The thickness for penetrating layer is 5mm-7mm.
5. a kind of prefabricated direct-buried heat preservation energy-saving pipe according to claim 1, which is characterized in that second nanometer of air bag is anti-
The thickness for penetrating layer is 5mm-7mm.
6. a kind of prefabricated direct-buried heat preservation energy-saving pipe according to claim 1, which is characterized in that the steel outer casing is spiral
Stitch submerged-arc welding steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458250.5U CN207455064U (en) | 2017-11-02 | 2017-11-02 | A kind of prefabricated direct-buried heat preservation energy-saving pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721458250.5U CN207455064U (en) | 2017-11-02 | 2017-11-02 | A kind of prefabricated direct-buried heat preservation energy-saving pipe |
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| CN207455064U true CN207455064U (en) | 2018-06-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895249A (en) * | 2018-07-23 | 2018-11-27 | 赵俊芳 | A kind of radiation protection insulation composite construction and preparation method thereof |
-
2017
- 2017-11-02 CN CN201721458250.5U patent/CN207455064U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895249A (en) * | 2018-07-23 | 2018-11-27 | 赵俊芳 | A kind of radiation protection insulation composite construction and preparation method thereof |
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