CN103062518A - High-temperature fluid delivery pipe - Google Patents
High-temperature fluid delivery pipe Download PDFInfo
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- CN103062518A CN103062518A CN2013100062696A CN201310006269A CN103062518A CN 103062518 A CN103062518 A CN 103062518A CN 2013100062696 A CN2013100062696 A CN 2013100062696A CN 201310006269 A CN201310006269 A CN 201310006269A CN 103062518 A CN103062518 A CN 103062518A
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Abstract
The invention provides a high-temperature fluid delivery pipe. The high-temperature fluid delivery pipe comprises a metal pipe and a composite thermal insulation material layer coated outside the metal pipe, the composite thermal insulation material layer comprises a high-temperature thermal insulation layer, a strength supporting protective layer, an organic thermal insulation protective layer and a waterproof damp-proof protective layer, and the high-temperature thermal insulation layer, the strength supporting protective layer, the organic thermal insulation protective layer and the waterproof protective layer are sequentially arranged along the pipe diameter of the metal pipe from outside to inside. By the aid of ingenious matching of organic thermal insulation materials, inorganic thermal insulation materials and strength supporting materials, the high-temperature fluid delivery pipe has the advantages of simple structure, corrosion resistance, good thermal insulation property, no water seepage, no dampness, low cost, simplified processing and manufacturing technology, safety, environmental protection, environmental friendliness for production and mounting, no dust hazard, convenience in mounting and construction and capability of delivering fluid with the temperature lower than 800 DEG C. The high-temperature fluid delivery pipe can be buried in severe environments such as underground (without trenches), in the water and in the underground frozen earth, and service life is reaches up to 50 years to 100 years.
Description
Technical field
The present invention relates to the fluid delivery tube field, relate in particular to a kind of elevated temperature fluid conveyance pipe.
Background technique
The elevated temperature fluid conveyance pipe is widely used in the needs such as chemical industry, the energy, environmental protection, heating power, generating to be carried in the industry of high temperature fluids, and the elevated temperature fluid conveyance pipe must possess the characteristics such as good heat insulating, long corrosion-resistant construction safety of life-span be cheap.There are following two kinds of thermal insulation pipes to be usually used in the conveying of high temperature fluid in the prior art.
1, steel sleeve steel thermal insulation pipe, combined by the thermal insulation layer of filling between the steel pipe of fed sheet of a media, anticorrosion outer steel pipe and steel pipe and the outer steel pipe, this thermal insulation layer can adopt super glass wool, also can adopt graphite, silico calcium tile shell and filled polyurethane foam to be composited.For delivery of the fluid that is lower than 800 ℃.
2, compound thermal insulating pipe, steel pipe wrap the plastic, thermal-insulation layer outward, for delivery of the fluid that is lower than 120 ℃.
Have following defective in the prior art: steel sleeve steel thermal insulation pipe generating process is complicated, the manufacturing difficulty, and manufacturing cost is high; The applicable temperature range of compound thermal insulating pipe is little, can not be for delivery of the fluid that is higher than 120 ℃, and non-watertight, perishable, the life-span is short, can not buriedly construct.
Summary of the invention
In view of the above-mentioned problems in the prior art, the invention provides a kind of high temperature resistant, corrosion protection, the life-span is long, cost is low, elevated temperature fluid conveyance pipe that can buried construction.
A kind of elevated temperature fluid conveyance pipe; comprise metal tube and be coated on the outer compound insulating material layer of metal tube; described compound insulating material layer comprises inorganic high-temperature resistant thermal insulation layer, strength support protective layer, organic heat-insulating protective layer and waterproof and dampproof protective layer, is followed successively by from inside to outside described soak layer, strength support protective layer, organic heat-insulating protective layer and waterproof and dampproof protective layer along the caliber of described metal tube.
Described waterproof protecting layer also has the antiultraviolet protective layer outward.
Described antiultraviolet protective layer is to be processed through antiultraviolet by water-proofing material to generate.
Described inorganic high-temperature resistant thermal insulation layer is aluminium silicate wool felt thermal insulation layer.
Described strength support protective layer is the epoxy glass fabric strength support layer with moistureproof protection against dust ergosphere.
Described organic heat-insulating protective layer is polymer thermal insulative material protection layer.
Described waterproof protecting layer is macromolecule waterproofing membrane layer.
Described metal tube is zinc-plated seamless steel pipe or Stainless Steel Tube.
Compared with prior art, the present invention has realized following beneficial effect: simple in structure with inorganic heat insulation material and the ingenious collocation of organic insulation material, anticorrosive, good heat insulating, long lifetime, do not seep water, do not get damp, cost is low, and process for machining and manufacturing is simplified, be convenient to generate and make, production environment is friendly, and human body is not produced the dust injury, can carry to be lower than 800 ℃ fluid; Installation is convenient, can directly imbed in underground (need not trench), the water, in the rugged environment such as underground frozen soil, reach 50 years to 100 years working life.
Description of drawings
Technological scheme for the clearer explanation embodiment of the invention, the accompanying drawing of required use was done simple the introduction during the below will describe embodiment, apparent, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1: perspective view of the present invention;
Fig. 2: cross sectional representation of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention; technological scheme in the embodiment of the invention is carried out clear, complete description; obvious described embodiment only is a part of embodiment of the present invention; not whole embodiments; based on the embodiment among the present invention; those of ordinary skills belong to the scope of protection of the invention not paying the every other embodiment who obtains under the creative work prerequisite.
Be elaborated below by embodiment:
As shown in Figure 1, the invention provides a kind of elevated temperature fluid conveyance pipe, comprise metal tube and be coated on the outer multilayer material layer of metal tube, the outer multilayer material layer of this metal tube (1) and metal tube is combined into overall structure.Concrete; described multilayer material layer comprises: inorganic high-temperature resistant thermal insulation layer (2), strength support protective layer (3), organic heat-insulating protective layer (4), waterproof protecting layer (5) etc. radially are followed successively by inorganic high-temperature resistant thermal insulation layer (2), strength support protective layer (3), organic heat-insulating protective layer (4), waterproof protecting layer (5) from inside to outside along metal tube.Lay if the high temperature fluid pipe support is empty, then increase one deck antiultraviolet protective layer (6) at the body outermost surface.
The metal tube of elevated temperature fluid conveyance pipe of the present invention (1) can adopt the corrosion resistant metal pipes such as zinc-plated seamless steel pipe, Stainless Steel Tube, this metal tube (1) is as working pipe, high temperature fluid directly contacts with tube wall, therefore adopt the corrosion resistant metal pipe to avoid long-term the generation pipeline rust that contacts with high temperature fluid, blocking pipe or reduction pipeline life.
Wrap one deck inorganic high-temperature resistant material at metal tube (1) outer wall and form inorganic high-temperature resistant thermal insulation layer (2), this layer adopts inorganic heat insulation material, inorganic heat insulation material low heat conductivity, low heat capacity, have good thermal insulation, acoustical absorbance properties, and good thermostability and chemical stability, resistance to high temperature is superior.This layer can adopt the aluminium silicate wool felt material, and the aluminium silicate wool felt does not contain binder and corrosive material as inorganic heat insulation material, has higher porosity ratio, less pore diameter and lower unit weight, and heatproof reaches more than 900 ℃.Inorganic high-temperature resistant thermal insulation layer (2) is directly wrapped outside metal tube (1), utilize inorganic heat insulation material to have resistant to elevated temperatures characteristic, guarantee the resistance to high temperature of elevated temperature fluid conveyance pipe integral body, promote the delivery temperature of elevated temperature fluid conveyance pipe.This layer inorganic high-temperature resistant thermal insulation layer (2) and metal tube (1) are fixed as one.
The outer strength support protective layer (3) that wraps of inorganic high-temperature resistant thermal insulation layer (2); this strength support protective layer (3) can keep stronger mechanical strength; play the effect of supporting other each layers; be not squeezed for the protection of inorganic high-temperature resistant thermal insulation layer (2); guarantee the porosity ratio of inorganic high-temperature resistant thermal insulation layer (2), and then guarantee the thermal insulation property of inorganic high-temperature resistant thermal insulation layer (2).This strength support protective layer (3) can adopt the epoxy glass cloth material, plays technique and supports and protective action, and this layer structure itself also has waterproof and dampproof performance simultaneously, can play waterproof moisture-proof effect, prolongs the life-span of thermal insulating material.
The outer organic heat-insulating protective layer (4) that wraps of strength support protective layer (3); this organic heat-insulating protective layer (4) adopts organic insulation material; organic insulation material is lightweight, have good insulation heat-insulating property; generally can heatproof about 120 ℃; under low temperature environment, have good corrosion-resistant and impact resistance, can directly imbed underground frozen soil.The organic heat-insulating protective layer of this layer (4) is used for playing corrosion protection and shock proof protective action, plays simultaneously the effect of adiabatic heat-insulation, further guarantees the usability of elevated temperature fluid conveyance pipe.This organic heat-insulating protective layer can adopt macromolecular material; polyurethane foam material for example; polyurethane foam material has good mechanical property and heat-insulating property as the organic polymer thermal insulating material; can play a protective role to its metal tube that wraps up (1) and other material layers, and can reduce significantly the heat loss of high temperature fluid.
The outer waterproof protecting layer (5) that wraps of organic heat-insulating protective layer (4); this waterproof protecting layer (5) adopts the waterproof macromolecule membrane; can prevent effectively that moisture and moisture from entering this waterproof protecting layer (5) inside, effectively protect inner layers of material, improve thermal insulation property.
Elevated temperature fluid conveyance pipe of the present invention is when built on stilts the laying; need outside waterproof protecting layer (5), to increase and wrap antiultraviolet protective layer (6); this antiultraviolet protective layer (6) adopts and carried out the water-proofing material that antiultraviolet is processed, and carries out the antiultraviolets such as aluminium foil, the sun-proof lacquer of brush such as outer surface and processes.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. elevated temperature fluid conveyance pipe; it is characterized in that: comprise metal tube and be coated on the outer compound insulating material layer of metal tube; described compound insulating material layer comprises inorganic high-temperature resistant thermal insulation layer, strength support protective layer, organic heat-insulating protective layer and waterproof and dampproof protective layer, is followed successively by from inside to outside described soak layer, strength support protective layer, organic heat-insulating protective layer and waterproof and dampproof protective layer along the caliber of described metal tube.
2. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described waterproof protecting layer also has the antiultraviolet protective layer outward.
3. elevated temperature fluid conveyance pipe as claimed in claim 2, it is characterized in that: described antiultraviolet protective layer generates for being processed through antiultraviolet by water-proofing material.
4. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described inorganic high-temperature resistant thermal insulation layer is aluminium silicate wool felt thermal insulation layer.
5. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described strength support protective layer is the epoxy glass fabric strength support layer with moistureproof protection against dust ergosphere.
6. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described organic heat-insulating protective layer is polymer thermal insulative material protection layer.
7. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described waterproof protecting layer is macromolecule waterproofing membrane layer.
8. elevated temperature fluid conveyance pipe as claimed in claim 1, it is characterized in that: described metal tube is zinc-plated seamless steel pipe or Stainless Steel Tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100062696A CN103062518A (en) | 2013-01-08 | 2013-01-08 | High-temperature fluid delivery pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100062696A CN103062518A (en) | 2013-01-08 | 2013-01-08 | High-temperature fluid delivery pipe |
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| Publication Number | Publication Date |
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| CN103062518A true CN103062518A (en) | 2013-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN2013100062696A Pending CN103062518A (en) | 2013-01-08 | 2013-01-08 | High-temperature fluid delivery pipe |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064518A (en) * | 2015-08-27 | 2015-11-18 | 滁州市瑞景园林建设有限公司 | Multilayer insulation plate |
| CN105299388A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
| CN111425674A (en) * | 2020-05-14 | 2020-07-17 | 辽宁嘉特科技开发有限公司 | High-temperature-resistant direct-buried heat-insulation pipe |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035034U (en) * | 1988-02-11 | 1989-03-29 | 广东省建筑科研设计所 | Conveyer pipe made of sandwich fibre reinforced plastic |
| CN2434519Y (en) * | 2000-07-07 | 2001-06-13 | 董柏全 | Temp resistance compound thermal insulating tube |
| CN2653269Y (en) * | 2003-06-09 | 2004-11-03 | 恽彤 | Layered directly buried hot water pipe net water-proof heat insulation device |
| CN201100490Y (en) * | 2007-08-07 | 2008-08-13 | 崔承波 | Direct-buried steam heat-insulation pipe |
| CN201621380U (en) * | 2010-02-05 | 2010-11-03 | 新疆力峰保温管制造有限公司 | Preheating direct-buried type hot water heat insulating pipe |
| CN203131328U (en) * | 2013-01-08 | 2013-08-14 | 北京三益能源环保发展股份有限公司 | High-temperature fluid transportation pipe |
-
2013
- 2013-01-08 CN CN2013100062696A patent/CN103062518A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2035034U (en) * | 1988-02-11 | 1989-03-29 | 广东省建筑科研设计所 | Conveyer pipe made of sandwich fibre reinforced plastic |
| CN2434519Y (en) * | 2000-07-07 | 2001-06-13 | 董柏全 | Temp resistance compound thermal insulating tube |
| CN2653269Y (en) * | 2003-06-09 | 2004-11-03 | 恽彤 | Layered directly buried hot water pipe net water-proof heat insulation device |
| CN201100490Y (en) * | 2007-08-07 | 2008-08-13 | 崔承波 | Direct-buried steam heat-insulation pipe |
| CN201621380U (en) * | 2010-02-05 | 2010-11-03 | 新疆力峰保温管制造有限公司 | Preheating direct-buried type hot water heat insulating pipe |
| CN203131328U (en) * | 2013-01-08 | 2013-08-14 | 北京三益能源环保发展股份有限公司 | High-temperature fluid transportation pipe |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105064518A (en) * | 2015-08-27 | 2015-11-18 | 滁州市瑞景园林建设有限公司 | Multilayer insulation plate |
| CN105299388A (en) * | 2015-12-08 | 2016-02-03 | 朗格斯特哈尔滨环保节能产品制造有限公司 | High-temperature thermal insulation pipe fitting containing aerogel thermal insulation material and thermal insulation method |
| CN111425674A (en) * | 2020-05-14 | 2020-07-17 | 辽宁嘉特科技开发有限公司 | High-temperature-resistant direct-buried heat-insulation pipe |
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Application publication date: 20130424 |
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| RJ01 | Rejection of invention patent application after publication |